/* ============================================================
   THEME TOKENS — dark-first by design, single theme
   ============================================================ */
:root{--g1:240,160,75;--g2:224,112,58;--on:#0a0f14;--idle:#2f4659;--idle2:#3c566c;--idle3:#56718a;--hi:#ffd08a;--accdk:#c9782e;--dk:8,12,16;--display:"Montserrat",system-ui,sans-serif;--serif:"IBM Plex Sans",system-ui,sans-serif;
  color-scheme:dark;
  --bg:#0a0f14;
  --panel:#111b23;
  --surface:#16222d;
  --surface2:#1c2b39;
  --line:#26384a;
  --line-soft:rgba(255,255,255,.07);
  --text:#e7edf2;
  --body:#b4c2cf;
  --muted:#8a9bab;
  --dim:#6a7c8d;

  --cyan:#f0a04b;
  --violet:#4fb3bf;
  --blue:#7fa6c9;
  --orange:#e0703a;
  --gold:#f0a04b;

  --serif:"IBM Plex Sans",system-ui,sans-serif;
  --display:"Montserrat",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --r-lg:6px;
  --r-md:4px;
  --r-sm:3px;
  --gutter:24px;
  --deep:#090e12;
}

/* ============================================================
   BASE
   ============================================================ */
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--serif);font-size:15.5px;line-height:1.65;overflow-x:hidden;
  background-image:
    linear-gradient(rgba(var(--g1),.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(var(--g1),.025) 1px,transparent 1px);
  background-size:40px 40px;
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:400;text-wrap:balance;margin:0}
p{margin:0}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

.wrap{width:min(1160px,100%);margin-inline:auto;position:relative}
.label{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.label.dim{color:var(--dim)}
.gradient{background:linear-gradient(90deg,var(--blue),var(--cyan) 35%,var(--violet) 70%,var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}

/* Pills / tags (one shared component) */
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tags span{font-family:var(--mono);font-size:11px;letter-spacing:.08em;border:1px solid var(--line);border-radius:99px;padding:5px 9px;color:var(--muted);background:var(--panel)}
.tags span:nth-child(5n+1){color:var(--blue);border-color:color-mix(in srgb,var(--blue) 45%,var(--line))}
.tags span:nth-child(5n+2){color:var(--cyan);border-color:color-mix(in srgb,var(--cyan) 45%,var(--line))}
.tags span:nth-child(5n+3){color:var(--violet);border-color:color-mix(in srgb,var(--violet) 45%,var(--line))}
.tags span:nth-child(5n+4){color:var(--gold);border-color:color-mix(in srgb,var(--gold) 45%,var(--line))}
.tags span:nth-child(5n){color:var(--orange);border-color:color-mix(in srgb,var(--orange) 45%,var(--line))}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:13px 18px;border-radius:var(--r-sm);border:1px solid var(--idle2);background:var(--panel);color:var(--text);cursor:pointer;transition:background .2s,color .2s,border-color .2s,box-shadow .2s,transform .2s}
.btn:hover{background:var(--surface2);color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 20px rgba(var(--g1),.22);transform:translateY(-2px)}
.btn.primary{border-color:color-mix(in srgb,var(--cyan) 55%,var(--idle2))}

/* Tabs (case, career, story rail) — dark in every state, accent when active */
.tabs{display:flex;flex-wrap:wrap;gap:7px;border-bottom:1px solid var(--line);padding-bottom:12px}
.tab{font-family:var(--mono);font-size:12px;letter-spacing:.06em;border:1px solid var(--line);background:var(--panel);color:var(--body);border-radius:99px;padding:10px 14px;cursor:pointer;transition:color .2s,border-color .2s,background .2s,box-shadow .2s}
.tab:hover{background:var(--surface2);color:var(--text);border-color:var(--idle3)}
.tab.active{--t:var(--cyan);color:var(--t);border-color:var(--t);background:var(--surface2);box-shadow:0 6px 20px color-mix(in srgb,var(--t) 16%,transparent)}
.case-tabs .tab:nth-child(1){--t:var(--blue)}
.case-tabs .tab:nth-child(2){--t:var(--cyan)}
.case-tabs .tab:nth-child(3){--t:var(--gold)}
.case-tabs .tab:nth-child(4){--t:var(--cyan)}

/* ============================================================
   NAV
   ============================================================ */
nav{position:fixed;z-index:50;top:calc(14px + env(safe-area-inset-top,0px));left:50%;transform:translateX(-50%);width:min(1160px,calc(100% - 28px));height:56px;border:1px solid var(--line);border-radius:999px;background:rgba(var(--dk),.8);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);display:flex;align-items:center;justify-content:space-between;padding:0 8px 0 22px}
.logo{font-family:var(--mono);font-weight:700;letter-spacing:.12em;font-size:15px}
.links{display:flex;gap:22px;font-family:var(--mono);font-size:12px;letter-spacing:.1em}
.links a{color:var(--muted);transition:color .2s}
.links a:hover{color:var(--cyan)}
.navbtn{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.1em;padding:10px 16px;border-radius:999px;border:1px solid var(--idle2);background:var(--panel);color:var(--text);transition:.2s}
.navbtn:hover{color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 18px rgba(var(--g1),.25)}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:140px var(--gutter) 80px;position:relative;overflow:hidden;background:radial-gradient(circle at 79% 18%,rgba(var(--g1),.13),transparent 30%),radial-gradient(circle at 12% 60%,rgba(var(--g1),.05),transparent 28%)}
.hero:after{content:"";position:absolute;width:700px;height:700px;right:-300px;top:80px;border-radius:50%;border:1px solid rgba(var(--g1),.08);box-shadow:0 0 0 90px rgba(var(--g1),.022),0 0 0 180px rgba(var(--g1),.014);pointer-events:none}
.hero .wrap{z-index:1}
.hero h1{font-size:clamp(34px,5vw,62px);line-height:1.02;letter-spacing:-.045em;max-width:1000px;margin:18px 0 24px;background:linear-gradient(90deg,var(--text) 0%,var(--text) 30%,var(--blue) 55%,var(--cyan) 72%,var(--violet) 88%,var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:13.5px;line-height:1.6;color:var(--body);max-width:720px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}

/* ---------- Investment process ---------- */
.system{margin-top:60px;border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(145deg,rgba(var(--dk),.96),rgba(var(--dk),.96));padding:18px;box-shadow:0 30px 120px rgba(0,0,0,.35)}
.syshead{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--dim)}
.syshead span:last-child{color:var(--cyan)}
.loop{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;align-items:start;padding-top:24px}
.loop-caption{grid-column:1/-1;display:grid;grid-template-columns:150px 1fr;column-gap:22px;padding:0 6px}
.loop-caption .label{grid-row:span 2;color:var(--orange);padding-top:4px}
.loop-caption b{font-family:var(--mono);font-size:14.5px;font-weight:600;letter-spacing:-.02em}
.loop-caption p{color:var(--muted);font-size:14.5px;margin-top:4px}

.canvas{position:relative;isolation:isolate;border:1px solid var(--line-soft);border-radius:18px;padding:22px 20px 20px;overflow:hidden;background:radial-gradient(circle at 50% 8%,rgba(var(--g1),.1),transparent 26%),radial-gradient(circle at 50% 92%,rgba(var(--g2),.08),transparent 26%),repeating-linear-gradient(0deg,rgba(var(--g1),.022) 0 1px,transparent 1px 5px),var(--panel)}
.canvas:after{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;opacity:.2;background:linear-gradient(90deg,transparent 0%,rgba(var(--g1),.09) 48%,transparent 52%);background-size:180px 100%;animation:sweep 4.8s linear infinite}
.live{position:absolute;right:16px;top:14px;z-index:5;display:flex;align-items:center;gap:7px;padding:5px 10px;border:1px solid rgba(var(--g1),.2);border-radius:999px;background:rgba(var(--dk),.8);color:var(--dim);font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.14em}
.live i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(var(--g1),.8);animation:liveDot 1s ease-in-out infinite}
.live.paused i{animation:none;background:var(--dim);box-shadow:none}

.stages{position:relative;display:flex;flex-direction:column;gap:10px;padding:34px 0 4px;z-index:1}
.stages:before{content:"";position:absolute;left:28px;top:66px;bottom:34px;width:2px;background:linear-gradient(to bottom,var(--cyan),var(--violet) 25%,var(--orange) 52%,var(--blue) 76%,var(--cyan));opacity:.7;z-index:0}
.stages:after{content:"";position:absolute;left:21px;top:56px;width:16px;height:72px;border-radius:999px;background:linear-gradient(to bottom,transparent,var(--cyan) 35%,#fff 50%,var(--cyan) 65%,transparent);box-shadow:0 0 12px rgba(var(--g1),.9),0 0 30px rgba(var(--g1),.45);z-index:3;pointer-events:none;animation:packet 3.4s linear infinite}

.stage{--c:var(--cyan);position:relative;display:block;width:100%;min-height:72px;text-align:left;cursor:pointer;padding:14px 50px 14px 70px;border:1px solid var(--line);border-radius:12px;background:var(--panel);overflow:hidden;isolation:isolate;transition:transform .28s ease,background .28s,border-color .28s,box-shadow .28s}
.stage:nth-child(2),.stage:nth-child(4){--c:var(--violet)}
.stage:nth-child(3),.stage:nth-child(5){--c:var(--orange)}
.stage:nth-child(6),.stage:nth-child(8){--c:var(--blue)}
.stage:hover{transform:translateX(5px);background:var(--surface)}
.stage .icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--c);font-size:15px;z-index:2;font-family:var(--mono)}
.stage .num{position:absolute;right:14px;top:12px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--dim)}
.stage b{display:block;font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.08em;position:relative;z-index:3}
.stage small{display:block;margin-top:3px;font-size:13.5px;color:var(--muted);position:relative;z-index:3}
.stage:before{content:"";position:absolute;left:-110%;top:0;width:55%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),color-mix(in srgb,var(--c) 22%,transparent),transparent);transform:skewX(-18deg);opacity:0;pointer-events:none;z-index:0}
.stage:after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,transparent,var(--c) 20%,#fff 50%,var(--c) 80%,transparent);transform:scaleX(0);transform-origin:left;opacity:0;pointer-events:none;z-index:2}
.stage.active{transform:translateX(7px);border-color:var(--c);background:linear-gradient(90deg,color-mix(in srgb,var(--c) 13%,transparent),color-mix(in srgb,var(--c) 4%,transparent) 42%,var(--panel));box-shadow:0 0 0 1px color-mix(in srgb,var(--c) 30%,transparent),0 0 26px color-mix(in srgb,var(--c) 45%,transparent),inset 0 0 28px color-mix(in srgb,var(--c) 10%,transparent)}
.stage.active:before{animation:dataSweep 1.05s cubic-bezier(.2,.8,.2,1) both}
.stage.active:after{animation:trace 1.25s cubic-bezier(.2,.8,.2,1) both}
.stage.active .icon{border-color:var(--c);box-shadow:0 0 14px color-mix(in srgb,var(--c) 60%,transparent);animation:iconPop 1.15s ease-out}

.detail{position:sticky;top:96px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,var(--surface),var(--panel));padding:25px}
.detail-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:16px}
.detail h3{font-size:clamp(20px,2vw,25px);line-height:1.18;letter-spacing:-.03em;margin-top:10px}
.mark{font-family:var(--mono);font-size:40px;font-weight:700;line-height:.8;color:rgba(255,255,255,.07)}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:18px}
.detail-grid p{font-size:14.5px;line-height:1.55;color:var(--body);margin-top:6px}
.detail .tags{margin-top:18px}
.fade-in{animation:panelIn .45s ease}


/* ============================================================
   SECTIONS
   ============================================================ */
.section{padding:100px var(--gutter);border-top:1px solid var(--line)}
.section.alt{background:var(--bg)}
.section h2{font-size:clamp(28px,4.2vw,46px);line-height:1.05;letter-spacing:-.045em;margin:12px 0 18px}
.kicker{color:var(--violet)}
.intro{color:var(--body);font-size:13.5px;line-height:1.6;max-width:720px}

/* Expertise */
.expertise{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px}
.ecard{--c:var(--cyan);display:flex;flex-direction:column;border:1px solid var(--line);border-top:2px solid color-mix(in srgb,var(--c) 55%,var(--line));border-radius:var(--r-md);background:linear-gradient(145deg,var(--surface),var(--panel));padding:26px;transition:transform .3s,border-color .3s}
.ecard:nth-child(2){--c:var(--violet)}.ecard:nth-child(3){--c:var(--orange)}.ecard:nth-child(4){--c:var(--cyan)}.ecard:nth-child(5){--c:var(--blue)}.ecard:nth-child(6){--c:var(--violet)}
.ecard:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--c) 40%,var(--line))}
.ecard .label{color:var(--dim)}
.ecard h3{font-size:15px;margin:26px 0 10px;letter-spacing:-.02em}
.ecard p{font-size:14.5px;line-height:1.6;color:var(--body);flex:1}
.ecard .tags{margin-top:18px}

/* Proof */
.proof-top{display:grid;grid-template-columns:300px 1fr;gap:14px;margin-top:36px}
.years{border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;background:radial-gradient(circle at 70% 20%,rgba(var(--g1),.1),transparent 45%),var(--panel);display:flex;flex-direction:column;justify-content:center}
.years span{font-family:var(--mono);font-size:52px;font-weight:700;line-height:.9;letter-spacing:-.06em}
.years small{font-family:var(--mono);font-size:11px;line-height:1.55;letter-spacing:.12em;color:var(--dim);margin-top:14px}
.path{border:1px solid var(--line);border-radius:var(--r-lg);display:grid;grid-template-columns:repeat(5,1fr);overflow:hidden;background:var(--panel)}
.path>div{padding:22px 16px;border-right:1px solid var(--line)}
.path>div:last-child{border-right:0}
.path .label{font-size:13px}
.path b{display:block;font-family:var(--mono);font-size:13px;letter-spacing:.06em;margin-top:12px;line-height:1.3}
.path em{display:block;font-style:normal;font-size:13.5px;color:var(--muted);line-height:1.4;margin-top:6px}
.proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.proof-card{border:1px solid var(--line);border-radius:var(--r-md);padding:26px;background:var(--panel);transition:transform .25s,border-color .25s}
.proof-card:hover{transform:translateY(-3px);border-color:rgba(var(--g1),.35)}
.proof-card h3{font-size:15px;letter-spacing:-.02em;margin:12px 0 10px}
.proof-card p{font-size:14.5px;line-height:1.6;color:var(--body)}
.proof-card .tags{margin-top:18px}
.cta{margin-top:10px;border:1px solid rgba(var(--g1),.22);border-radius:var(--r-md);padding:26px 28px;background:linear-gradient(90deg,rgba(var(--g1),.05),rgba(var(--g1),.05));display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta h3{font-size:15px;letter-spacing:-.015em;line-height:1.35;max-width:720px;margin-top:8px}
.cta .btn{white-space:nowrap}

/* Case studies */
.case-tabs{margin-top:32px}
.case{margin-top:14px;border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(145deg,var(--surface),var(--panel));padding:32px}
.case-head{display:flex;justify-content:space-between;gap:20px}
.case-head h3{font-size:clamp(22px,2.4vw,27px);letter-spacing:-.035em;margin:10px 0 8px}
.case-head p{font-size:15px;color:var(--muted)}
.big-index{font-family:var(--mono);font-size:56px;font-weight:700;line-height:1;color:rgba(255,255,255,.06)}
.rail{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:26px 0 24px;border-top:1px solid var(--line);padding-top:16px}
.rail button{display:flex;align-items:center;gap:9px;border:0;background:transparent;padding:4px 0;cursor:pointer;color:var(--dim);text-align:left;transition:color .2s}
.rail button span{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);font-family:var(--mono);font-size:11px}
.rail button b{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.12em}
.rail button:hover{color:var(--text)}
.rail button.active{color:var(--cyan)}
.rail button.active span{border-color:var(--cyan)}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 28px}
.case-grid p{font-size:15px;line-height:1.6;color:var(--body);margin-top:6px}
.case .tags{margin-top:24px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.facts div{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--panel)}
.facts .label{display:block;font-size:10px;color:var(--dim);margin-bottom:8px}
.facts b{font-size:14.5px;font-weight:500;line-height:1.4;color:var(--text)}

/* Career */
.career-tabs{margin-top:32px}
.career{margin-top:14px;border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(145deg,var(--surface),var(--panel));padding:32px}
.career-head{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:22px}
.career-head h3{font-size:clamp(21px,2.4vw,26px);letter-spacing:-.035em;margin:10px 0 6px}
.career-head p{font-size:15px;color:var(--muted)}
.career-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 28px;margin-top:24px}
.career-grid p,.career-grid li{font-size:15px;line-height:1.6;color:var(--body)}
.career-grid p{margin-top:6px}
.career-grid ul{padding-left:18px;margin:6px 0 0}
.career-grid li+li{margin-top:4px}
.career-grid .tags{margin-top:10px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:10px}
.stat{border:1px solid var(--line);border-radius:var(--r-md);padding:20px;background:var(--panel);display:flex;flex-direction:column;gap:6px}
.stat strong{font-family:var(--mono);font-size:26px;letter-spacing:-.04em}
.stat span{font-size:13.5px;line-height:1.45;color:var(--muted)}

/* Knowledge */
.knowledge{display:grid;grid-template-columns:370px 1fr;gap:14px;margin-top:32px}
.k-list{display:flex;flex-direction:column;gap:7px}
.k-card{display:grid;grid-template-columns:62px 1fr;gap:12px;align-items:center;text-align:left;border:1px solid var(--line);background:var(--panel);border-radius:var(--r-md);padding:13px 14px;cursor:pointer;transition:transform .22s,border-color .22s,background .22s}
.k-card:hover,.k-card.active{border-color:rgba(var(--g1),.5);background:var(--surface);transform:translateX(4px)}
.k-card .yr{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--dim)}
.k-card small{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--cyan);margin-bottom:4px}
.k-card b{display:block;font-family:var(--mono);font-size:14px;font-weight:600}
.k-card em{display:block;font-style:normal;color:var(--muted);font-size:13.5px;margin-top:2px;line-height:1.35}
.k-detail{border:1px solid var(--line);border-radius:var(--r-lg);background:radial-gradient(circle at 85% 15%,rgba(var(--g1),.12),transparent 32%),var(--panel);padding:32px;display:flex;flex-direction:column}
.k-top{display:flex;justify-content:space-between;gap:12px}
.k-detail h3{font-size:clamp(22px,2.6vw,28px);letter-spacing:-.04em;margin:18px 0 4px}
.k-school{font-size:15.5px;color:var(--cyan)}
.k-divider{height:1px;background:var(--line);margin:26px 0}
.k-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:26px}
.k-cols p,.k-cols li{font-size:15px;line-height:1.6;color:var(--body)}
.k-cols p{margin-top:6px}
.k-cols ul{margin:6px 0 0;padding-left:18px}
.k-link{margin-top:auto;border:1px solid var(--line);border-radius:12px;padding:17px;background:var(--panel)}
.k-link b{display:block;font-family:var(--mono);font-size:15px;margin-top:8px}
.k-link i{display:block;font-style:normal;font-size:13.5px;color:var(--muted);margin-top:4px}
.k-sum{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.k-sum div{border:1px solid var(--line);border-radius:12px;padding:16px;background:var(--panel)}
.k-sum span:not(.label){display:block;font-size:14.5px;line-height:1.45;color:var(--body);margin-top:8px}

/* Contact */
.contact{padding:110px var(--gutter) 120px;border-top:1px solid var(--line);background:radial-gradient(circle at 80% 20%,rgba(var(--g1),.12),transparent 34%),var(--bg)}
.contact h2{font-size:clamp(32px,4.8vw,54px);line-height:1;letter-spacing:-.05em;margin:12px 0 22px}
.contact-lead{font-family:var(--mono);font-size:clamp(18px,2vw,24px);line-height:1.3;font-weight:500;max-width:820px;margin-bottom:22px}
.contact p.body{color:var(--body);font-size:13.5px;line-height:1.6;max-width:680px}
.reach{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px;margin-top:36px;max-width:1160px}
.reach>div{border:1px solid var(--line);border-radius:var(--r-md);padding:20px;background:var(--panel);display:flex;flex-direction:column;gap:12px}
.reach code{font-family:var(--mono);font-size:15px;color:var(--text);user-select:all;word-break:break-all}
.reach .row{display:flex;flex-wrap:wrap;gap:8px}
.reach .btn{padding:10px 14px;font-size:12px}
.copied{font-family:var(--mono);font-size:12px;color:var(--cyan);min-height:1em}
footer{border-top:1px solid var(--line);padding:28px var(--gutter);color:var(--dim);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-align:center}

/* ============================================================
   MOTION
   ============================================================ */
@keyframes sweep{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
@keyframes liveDot{0%,100%{opacity:.35;transform:scale(.8)}50%{opacity:1;transform:scale(1.25)}}
@keyframes packet{0%{transform:translateY(0);opacity:0}8%{opacity:1}92%{opacity:1}100%{transform:translateY(calc(var(--h,560px) - 150px));opacity:0}}
@keyframes dataSweep{0%{left:-110%;opacity:0}12%{opacity:1}100%{left:135%;opacity:0}}
@keyframes trace{0%{transform:scaleX(0);opacity:0}18%{opacity:1}65%{transform:scaleX(1);opacity:1}100%{transform:scaleX(0);transform-origin:right;opacity:0}}
@keyframes iconPop{0%{transform:translateY(-50%) scale(.82)}35%{transform:translateY(-50%) scale(1.2)}100%{transform:translateY(-50%) scale(1)}}
@keyframes panelIn{from{opacity:.3;transform:translateY(6px)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .stages:after{display:none}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:900px){
  .links{display:none}
  .loop{grid-template-columns:1fr}
  .detail{position:relative;top:auto}
  .expertise{grid-template-columns:1fr 1fr}
  .proof-top{grid-template-columns:1fr}
  .path{grid-template-columns:1fr 1fr}
  .path>div:nth-child(even){border-right:0}
  .path>div:nth-child(-n+4){border-bottom:1px solid var(--line)}
  .proof-grid,.case-grid,.career-grid,.k-cols{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr}
  .knowledge{grid-template-columns:1fr}
  .k-sum{grid-template-columns:1fr}
  }
@media (max-width:640px){
  :root{--gutter:16px}
  body{font-size:14.5px}
  .hero{padding-top:110px}
  .section{padding-block:72px}
  .system,.case,.career,.k-detail{padding:18px}
  .loop-caption{grid-template-columns:1fr;row-gap:6px}
  .loop-caption .label{grid-row:auto}
  .detail-grid{grid-template-columns:1fr}
  .expertise,.path,.facts,.stats,.reach{grid-template-columns:1fr}
  .path>div{border-right:0;border-bottom:1px solid var(--line)}
  .path>div:last-child{border-bottom:0}
  .rail{grid-template-columns:1fr 1fr;row-gap:10px}
  .cta{flex-direction:column;align-items:flex-start}
  .big-index,.mark{display:none}
  .stage{padding-right:40px}
}

/* ============================================================
   DIGITAL RAIN / TERMINAL LAYER
   ============================================================ */
#rain{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.32}
.scan{position:fixed;inset:0;pointer-events:none;z-index:60;background:repeating-linear-gradient(180deg,rgba(var(--g1),.03) 0,rgba(var(--g1),.03) 1px,transparent 1px,transparent 3px)}
nav,header,section,footer{position:relative;z-index:1}
nav{position:fixed;z-index:50}
.hero{background:radial-gradient(ellipse at 50% 0%,rgba(var(--g1),.10),transparent 55%)}
.hero:after{display:none}
.section,.contact{background:rgba(var(--dk),.8)}
.stage{border-radius:4px}.canvas,.detail,.system{border-radius:6px}.stage .icon{border-radius:3px}
.section.alt{background:rgba(var(--dk),.9)}
h1,h2,h3{letter-spacing:0!important;text-shadow:0 0 14px rgba(var(--g1),.35)}
.hero h1{font-size:clamp(38px,5.6vw,72px);line-height:1.02;background:none;color:var(--text);-webkit-background-clip:initial;background-clip:initial}
.hero h1 .hl{color:var(--cyan)}
.cursor{display:inline-block;width:.5em;height:.8em;margin-left:.1em;background:var(--cyan);box-shadow:0 0 12px var(--cyan);vertical-align:-.04em;animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.section h2{font-size:clamp(32px,4.6vw,52px);line-height:1.05}
.contact h2{font-size:clamp(34px,5vw,58px)}
.gradient{background:none;color:var(--cyan);-webkit-background-clip:initial;background-clip:initial}
.detail h3{font-size:clamp(21px,2.1vw,26px);line-height:1.15}
.case-head h3,.career-head h3,.k-detail h3{font-size:clamp(22px,2.4vw,29px);line-height:1.15}
.ecard h3,.proof-card h3,.cta h3{font-size:20px;line-height:1.2}
.years span,.stat strong,.big-index,.mark{font-family:var(--display);font-weight:400;letter-spacing:0}
.years span{font-size:58px}
.stat strong{font-size:28px;color:var(--cyan);text-shadow:0 0 12px rgba(var(--g1),.4)}
.big-index,.mark{font-size:52px;color:rgba(var(--g1),.12)}
.logo{color:var(--cyan);text-shadow:0 0 10px rgba(var(--g1),.5)}
.label:not(.dim):before{content:"> ";opacity:.7}
.tags span{border-radius:2px}
.tab,.navbtn,nav{border-radius:3px}
.btn:hover,.navbtn:hover{background:var(--cyan);color:var(--on);border-color:var(--cyan);box-shadow:0 0 22px rgba(var(--g1),.45)}
.tab.active{background:rgba(var(--g1),.08)}
.contact-lead{font-family:var(--display);font-size:clamp(20px,2.3vw,28px);line-height:1.25;font-weight:400}
::selection{background:var(--cyan);color:var(--on)}
.stage:after{background:linear-gradient(90deg,transparent,var(--c) 20%,var(--hi) 50%,var(--c) 80%,transparent)}
@media (prefers-reduced-motion:reduce){.cursor{animation:none}}
@media (max-width:640px){.hero h1{font-size:36px}.section h2{font-size:30px}.years span{font-size:48px}}

/* Data stack */
.stack{position:relative;display:flex;flex-direction:column;gap:8px;margin-top:36px}
.stack:before{content:"";position:absolute;left:31px;top:24px;bottom:24px;width:2px;background:linear-gradient(to bottom,var(--cyan),rgba(var(--g1),.25));opacity:.6}
.stack:after{content:"";position:absolute;left:27px;top:20px;width:10px;height:48px;border-radius:99px;background:linear-gradient(to bottom,transparent,var(--cyan),var(--hi),var(--cyan),transparent);box-shadow:0 0 16px rgba(var(--g1),.8);animation:stackFlow 5s linear infinite}
@keyframes stackFlow{0%{top:10px;opacity:0}6%{opacity:1}94%{opacity:1}100%{top:calc(100% - 60px);opacity:0}}
.layer{position:relative;display:grid;grid-template-columns:230px 1fr;gap:24px;align-items:start;border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);padding:18px 20px 18px 16px;transition:border-color .2s,background .2s}
.layer:hover{border-color:rgba(var(--g1),.5);background:var(--surface)}
.l-id{display:grid;grid-template-columns:34px 1fr;column-gap:14px;align-items:center}
.l-code{grid-row:span 2;width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--cyan);border-radius:3px;background:var(--bg);color:var(--cyan);font-family:var(--mono);font-size:12px;font-weight:600;position:relative;z-index:1;box-shadow:0 0 12px rgba(var(--g1),.25)}
.l-id b{font-family:var(--mono);font-size:13px;letter-spacing:.12em}
.l-id small{font-size:13px;color:var(--muted)}
.l-body p{margin-top:10px;font-size:14.5px;line-height:1.6;color:var(--body);max-width:760px}
.toolkit{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.toolkit div{border:1px solid var(--line);border-radius:var(--r-md);padding:16px;background:var(--panel)}
.toolkit span:not(.label){display:block;margin-top:8px;font-size:14px;line-height:1.5;color:var(--body)}
@media (max-width:900px){.layer{grid-template-columns:1fr;gap:12px}.toolkit{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.stack:after{display:none}}

/* ============================================================
   CLICKABLE AFFORDANCES — make every switchable control obvious
   ============================================================ */
@keyframes idleGlow{0%,100%{box-shadow:0 0 0 0 rgba(var(--g1),0),inset 0 0 0 0 rgba(var(--g1),0);border-color:var(--idle)}50%{box-shadow:0 0 14px rgba(var(--g1),.35),inset 0 0 10px rgba(var(--g1),.08);border-color:rgba(var(--g1),.75)}}
@keyframes shimmer{0%,70%{left:-60%}100%{left:130%}}
@keyframes nudge{0%,100%{transform:translateX(0)}50%{transform:translateX(3px)}}
@keyframes hintBlink{50%{opacity:.35}}

.hint{display:flex;align-items:center;gap:8px;margin:28px 0 10px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.hint i{font-style:normal;animation:hintBlink 1.2s steps(1) infinite}
.hint + .tabs{margin-top:0}

.tab,.rail button,.k-card,.stage{position:relative;overflow:hidden}
.tab{border-color:var(--idle);color:var(--text);padding-left:28px;padding-right:14px;animation:idleGlow 2.4s ease-in-out infinite}
.tabs .tab:nth-child(2){animation-delay:.3s}.tabs .tab:nth-child(3){animation-delay:.6s}.tabs .tab:nth-child(4){animation-delay:.9s}.tabs .tab:nth-child(5){animation-delay:1.2s}.tabs .tab:nth-child(6){animation-delay:1.5s}.tabs .tab:nth-child(7){animation-delay:1.8s}.tabs .tab:nth-child(8){animation-delay:2.1s}
.tab:after,.rail button:after,.k-card:after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(90deg,transparent,rgba(var(--g1),.22),transparent);transform:skewX(-20deg);animation:shimmer 3.6s ease-in-out infinite;pointer-events:none}
.tab:before{content:"▶";position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--cyan);font-size:9px}
.tab:hover{background:rgba(var(--g1),.12);color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 22px rgba(var(--g1),.45);transform:translateY(-2px)}
.tab.active,.tab.active:hover{animation:none;background:var(--cyan);color:var(--on);border-color:var(--cyan);font-weight:600;box-shadow:0 0 26px rgba(var(--g1),.6),0 0 60px rgba(var(--g1),.2);transform:none}
.tab.active:before{content:"▼";color:var(--on)}
.tab.active:after{display:none}

.rail{gap:8px}
.rail button{border:1px solid var(--idle);border-radius:3px;padding:10px 12px;background:var(--panel);color:var(--text);animation:idleGlow 2.4s ease-in-out infinite}
.rail button:nth-child(2){animation-delay:.4s}.rail button:nth-child(3){animation-delay:.8s}.rail button:nth-child(4){animation-delay:1.2s}
.rail button:hover{color:var(--cyan);border-color:var(--cyan);background:rgba(var(--g1),.1);box-shadow:0 0 20px rgba(var(--g1),.4)}
.rail button.active{animation:none;background:var(--cyan);color:var(--on);border-color:var(--cyan);box-shadow:0 0 24px rgba(var(--g1),.55)}
.rail button.active span{border-color:var(--on);background:var(--on);color:var(--cyan)}
.rail button.active:after{display:none}

.k-card{border-color:var(--idle);padding-right:36px;animation:idleGlow 2.8s ease-in-out infinite}
.k-card:nth-child(even){animation-delay:.7s}
.k-card:before{content:"›";position:absolute;right:14px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:22px;color:var(--cyan);animation:nudge 1.4s ease-in-out infinite}
.k-card.active{animation:none;background:rgba(var(--g1),.12);border-color:var(--cyan);box-shadow:0 0 24px rgba(var(--g1),.45),inset 3px 0 0 var(--cyan)}
.k-card.active:after{display:none}

.stage:not(.active){border-color:var(--idle)}
.stage:not(.active):hover{border-color:var(--c);box-shadow:0 0 20px color-mix(in srgb,var(--c) 40%,transparent)}
.stage .num:after{content:" ›";color:var(--cyan)}

/* once a group has been used, calm the idle attention animation */
.used .tab:not(.active),.used.rail button:not(.active),.used .k-card:not(.active){animation:none}
.used .tab:after,.used.rail button:after,.used .k-card:after{display:none}

@media (prefers-reduced-motion:reduce){.tab,.rail button,.k-card{box-shadow:0 0 10px rgba(var(--g1),.25)}}

/* ---------- Proof modules (dynamic) ---------- */
.proof-card{position:relative;overflow:hidden;display:flex;flex-direction:column;isolation:isolate}
.proof-card:before{content:"";position:absolute;inset:-1px;z-index:-1;border-radius:inherit;padding:1px;background:conic-gradient(from var(--ang,0deg),transparent 0 70%,var(--cyan) 85%,transparent 100%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s}
@property --ang{syntax:"<angle>";inherits:false;initial-value:0deg}
@keyframes spinAng{to{--ang:360deg}}
.proof-card:hover:before,.proof-card.open:before{opacity:1;animation:spinAng 3s linear infinite}
.proof-card:hover{transform:translateY(-4px);box-shadow:0 0 30px rgba(var(--g1),.18)}
.pc-head{display:flex;align-items:center;gap:10px}
.led{width:8px;height:8px;border-radius:50%;background:var(--dim);box-shadow:none;transition:.3s}
.proof-card.seen .led{background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:liveDot 1.6s ease-in-out infinite}
.pc-status{margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--dim)}
.proof-card.open .pc-status{color:var(--cyan)}
.proof-grid{align-items:start}
.pc-toggle{align-self:flex-start;margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--text);background:var(--bg);border:1px solid var(--idle);border-radius:3px;padding:9px 14px;cursor:pointer;animation:idleGlow 2.4s ease-in-out infinite;transition:background .2s,color .2s}
.proof-card:nth-child(2) .pc-toggle{animation-delay:.5s}.proof-card:nth-child(3) .pc-toggle{animation-delay:1s}.proof-card:nth-child(4) .pc-toggle{animation-delay:1.5s}
.pc-toggle:hover{background:rgba(var(--g1),.12);color:var(--cyan);border-color:var(--cyan)}
.proof-card.open .pc-toggle{animation:none;background:var(--cyan);color:var(--on);border-color:var(--cyan);box-shadow:0 0 20px rgba(var(--g1),.5)}
.pc-arrow{display:inline-block;transition:transform .25s}
.proof-card.open .pc-arrow{transform:rotate(90deg)}
.pc-term{margin-top:14px;border:1px solid var(--line);border-radius:3px;background:var(--deep);padding:14px 16px;font-family:var(--mono);font-size:12.5px;line-height:1.55}
.tl+.tl{margin-top:9px}
.tl .ps{color:var(--cyan)}
.tl .cmd{color:var(--text)}
.tl .out{display:block;color:var(--muted);padding-left:14px}
.tl.typing .cmd:after{content:"▮";color:var(--cyan);animation:hintBlink .8s steps(1) infinite}
.tl.pending{visibility:hidden}
@media (prefers-reduced-motion:reduce){.proof-card:before{animation:none}}

/* Prominent reading hints */
.hint{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin:30px 0 14px;padding:14px 18px;border:1px solid var(--cyan);border-left:4px solid var(--cyan);border-radius:3px;background:linear-gradient(90deg,rgba(var(--g1),.14),rgba(var(--g1),.03));box-shadow:0 0 24px rgba(var(--g1),.22),inset 0 0 18px rgba(var(--g1),.06);font-family:var(--mono);font-size:14px;font-weight:600;letter-spacing:.06em;text-transform:none;color:var(--text);animation:hintPulse 2.6s ease-in-out infinite}
@keyframes hintPulse{0%,100%{box-shadow:0 0 16px rgba(var(--g1),.18),inset 0 0 14px rgba(var(--g1),.05)}50%{box-shadow:0 0 34px rgba(var(--g1),.42),inset 0 0 22px rgba(var(--g1),.1)}}
.hint-tag{font-size:11px;letter-spacing:.16em;color:var(--on);background:var(--cyan);padding:4px 8px;border-radius:2px}
.hint-step{display:inline-flex;align-items:center;gap:9px;text-shadow:0 0 10px rgba(var(--g1),.35)}
.hint-step b{display:grid;place-items:center;width:24px;height:24px;border:1px solid var(--cyan);border-radius:50%;color:var(--cyan);font-size:12px}
.hint-sep{color:var(--cyan);font-size:18px}
.hint-arrow{margin-left:auto;color:var(--cyan);font-size:22px;line-height:1;animation:bounceDown 1.1s ease-in-out infinite}
@keyframes bounceDown{0%,100%{transform:translateY(-3px)}50%{transform:translateY(5px)}}
@media (max-width:640px){.hint{font-size:13px}.hint-sep{display:none}.hint-arrow{margin-left:0}}
@media (prefers-reduced-motion:reduce){.hint,.hint-arrow{animation:none}}

/* Action buttons that move the reader forward */
.next-btn{margin-top:24px}
.next-btn .nb-key{color:var(--muted);font-weight:500}
.next-btn:hover .nb-key{color:var(--cyan)}
.k-detail .next-btn{align-self:flex-start;margin-top:18px}

/* ============================================================
   CASE STUDY EXPLORER — tree + run pipeline
   ============================================================ */
.explorer{display:grid;grid-template-columns:340px minmax(0,1fr);gap:14px;margin-top:32px;align-items:start}
.tree{position:sticky;top:96px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--deep);padding:16px 10px 12px;font-family:var(--mono);font-size:13px}
.tree-head{display:flex;justify-content:space-between;align-items:baseline;padding:0 8px 8px}
.tree-root{color:var(--cyan);font-weight:600;text-shadow:0 0 10px rgba(var(--g1),.4)}
.tree-count{font-size:11px;letter-spacing:.1em;color:var(--muted)}
.tree-bar{height:2px;margin:0 8px 12px;background:var(--line)}
.tree-bar i{display:block;height:100%;width:0;background:var(--cyan);box-shadow:0 0 8px var(--cyan);transition:width .5s}
.t-folder{padding:10px 8px 4px;color:var(--muted);white-space:nowrap}
.t-folder em{font-style:normal;color:var(--dim);font-size:11px;margin-left:6px}
.t-folder.sub{padding-top:6px}
.t-caret{color:var(--cyan)}
.t-node{--g:var(--idle);display:flex;align-items:center;gap:8px;width:100%;text-align:left;background:transparent;border:1px solid transparent;border-radius:3px;padding:7px 8px;cursor:pointer;color:var(--body);transition:background .2s,color .2s,border-color .2s,box-shadow .2s}
.t-br{color:var(--dim);white-space:pre;flex:none}
.t-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.t-node.flag .t-name{color:var(--text);font-weight:600}
.t-flag{font-size:9px;letter-spacing:.14em;color:var(--on);background:var(--cyan);padding:2px 5px;border-radius:2px;flex:none}
.t-run{flex:none;display:grid;place-items:center;width:24px;height:24px;border:1px solid var(--g);border-radius:3px;color:var(--cyan);font-size:9px;animation:idleGlow 2.4s ease-in-out infinite}
.t-node:nth-of-type(2) .t-run{animation-delay:.3s}.t-node:nth-of-type(3) .t-run{animation-delay:.6s}.t-node:nth-of-type(4) .t-run{animation-delay:.9s}.t-node:nth-of-type(5) .t-run{animation-delay:1.2s}.t-node:nth-of-type(6) .t-run{animation-delay:1.5s}.t-node:nth-of-type(7) .t-run{animation-delay:1.8s}.t-node:nth-of-type(8) .t-run{animation-delay:2.1s}
.t-node:hover{background:rgba(var(--g1),.08);border-color:var(--idle);color:var(--text)}
.t-node:hover .t-run{background:var(--cyan);color:var(--on);border-color:var(--cyan)}
.t-node.seen .t-run{animation:none;border-color:var(--line)}
.t-node.seen:not(.active) .t-run:before{content:"✓"}
.t-node.seen:not(.active) .t-run{font-size:0}
.t-node.seen:not(.active) .t-run:before{font-size:11px;color:var(--muted)}
.t-node.active{background:rgba(var(--g1),.13);border-color:var(--cyan);color:var(--text);box-shadow:0 0 20px rgba(var(--g1),.28),inset 3px 0 0 var(--cyan)}
.t-node.active .t-run{animation:none;background:var(--cyan);color:var(--on);border-color:var(--cyan);box-shadow:0 0 12px rgba(var(--g1),.6)}

.run{scroll-margin-top:90px;border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(145deg,var(--surface),var(--panel));overflow:hidden}
.run-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--deep);font-family:var(--mono);font-size:13px}
.run-cmd{color:var(--text);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.run-cmd .ps{color:var(--cyan)}
.run-cmd #cPath{color:var(--cyan)}
.run-status{flex:none;font-size:10px;letter-spacing:.16em;padding:3px 8px;border:1px solid var(--line);border-radius:2px;color:var(--muted)}
.run-status.busy{color:var(--gold);border-color:var(--gold);animation:hintBlink .8s steps(1) infinite}
.run-status.ok{color:var(--on);background:var(--cyan);border-color:var(--cyan)}
.run-progress{height:2px;background:var(--line)}
.run-progress i{display:block;height:100%;width:0;background:var(--cyan);box-shadow:0 0 10px var(--cyan);transition:width .5s ease}
.run-body{padding:26px 28px 28px}
.run-body h3{font-size:clamp(22px,2.4vw,29px);line-height:1.15;margin:10px 0 8px}
.run-sub{font-size:15px;color:var(--muted);max-width:760px}
.manifest{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:22px 0 6px;border:1px solid var(--line);border-radius:3px;background:var(--deep)}
.manifest div{padding:12px 14px;border-right:1px solid var(--line)}
.manifest div:last-child{border-right:0}
.manifest dt{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.manifest dd{margin:6px 0 0;font-size:13.5px;line-height:1.4;color:var(--text)}

.pipe{list-style:none;margin:22px 0 0;padding:0;position:relative}
.pipe:before{content:"";position:absolute;left:17px;top:18px;bottom:18px;width:2px;background:linear-gradient(to bottom,var(--cyan),rgba(var(--g1),.2))}
.p-step{position:relative;display:grid;grid-template-columns:36px 1fr 24px;gap:16px;padding:0 0 22px;transition:opacity .35s,filter .35s}
.p-step:last-child{padding-bottom:0}
.p-dot{position:relative;z-index:1;width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--cyan);border-radius:50%;background:var(--deep);color:var(--cyan);font-family:var(--mono);font-size:12px;font-weight:600}
.p-label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--cyan);margin-top:2px}
.p-main{font-size:16px;line-height:1.5;color:var(--text);margin-top:6px}
.p-body ul{margin:8px 0 0;padding-left:18px;color:var(--body);font-size:14px;line-height:1.55}
.p-body li+li{margin-top:3px}
.p-ok{align-self:start;margin-top:8px;color:var(--cyan);font-family:var(--mono);opacity:0;transition:opacity .3s}
.p-step.done .p-ok{opacity:1}
.p-step.done .p-dot{background:var(--cyan);color:var(--on);box-shadow:0 0 12px rgba(var(--g1),.5)}
.p-step.pending{opacity:.12;filter:blur(1px)}
.p-step.active .p-dot{box-shadow:0 0 0 6px rgba(var(--g1),.12),0 0 22px rgba(var(--g1),.7);animation:iconPulse 1s ease-in-out infinite}
.p-step.active .p-main{text-shadow:0 0 12px rgba(var(--g1),.4)}
@keyframes iconPulse{50%{transform:scale(1.08)}}
.run .tags{margin-top:22px}
.run-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.run-actions .pc-toggle{margin-top:0}
#caseRerun,#casePrev{animation:none}

@media (max-width:900px){
  .explorer{grid-template-columns:1fr}
  .tree{position:relative;top:auto}
  .manifest{grid-template-columns:1fr 1fr}
  .manifest div:nth-child(2){border-right:0}
  .manifest div:nth-child(-n+2){border-bottom:1px solid var(--line)}
}
@media (max-width:640px){
  .run-body{padding:18px}
  .run-head{padding:10px 14px}
  .manifest{grid-template-columns:1fr}
  .manifest div{border-right:0;border-bottom:1px solid var(--line)}
  .manifest div:last-child{border-bottom:0}
  .p-step{grid-template-columns:32px 1fr;gap:12px}
  .p-dot{width:32px;height:32px}
  .pipe:before{left:15px}
  .p-ok{display:none}
}
@media (prefers-reduced-motion:reduce){.t-run,.p-step.active .p-dot{animation:none}}

/* tree rows: whole row reads as a run control */
.t-node .t-run{width:auto;padding:0 8px;gap:5px;display:inline-flex;align-items:center;font-size:9px}
.t-node .t-run:after{content:"RUN";font-size:9px;letter-spacing:.12em;max-width:0;overflow:hidden;transition:max-width .25s}
.t-node:hover .t-run:after,.t-node:focus-visible .t-run:after{max-width:40px}
.t-node.active .t-run:after{content:"RUNNING";max-width:70px}
.t-node.seen:not(.active) .t-run:after{content:none}

/* ---------- Data stack: accordion layers + record trace ---------- */
.stack-wrap{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:14px;margin-top:32px;align-items:start}
.stack{margin-top:0}
.stack:after{top:var(--pk,20px);transition:top .6s cubic-bezier(.4,0,.2,1);animation:none;opacity:0}
.stack.tracing:after{opacity:1}
.layer{display:block;padding:0;grid-template-columns:none}
.l-head{display:grid;grid-template-columns:34px 1fr auto 28px;gap:14px;align-items:center;width:100%;padding:14px 16px;background:transparent;border:0;text-align:left;cursor:pointer;color:inherit}
.l-code{grid-row:auto}
.l-name b{display:block;font-family:var(--mono);font-size:13px;letter-spacing:.12em}
.l-name small{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.l-count{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--dim)}
.l-tog{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--idle);border-radius:3px;color:var(--cyan);font-size:9px;transition:transform .25s,background .2s;animation:idleGlow 2.4s ease-in-out infinite}
.layer:nth-child(2) .l-tog{animation-delay:.3s}.layer:nth-child(3) .l-tog{animation-delay:.6s}.layer:nth-child(4) .l-tog{animation-delay:.9s}.layer:nth-child(5) .l-tog{animation-delay:1.2s}.layer:nth-child(6) .l-tog{animation-delay:1.5s}.layer:nth-child(7) .l-tog{animation-delay:1.8s}
.l-head:hover .l-tog{background:var(--cyan);color:var(--on)}
.layer.open{border-color:var(--cyan);background:var(--surface);box-shadow:0 0 18px rgba(var(--g1),.2)}
.layer.open .l-tog{animation:none;transform:rotate(90deg);background:var(--cyan);color:var(--on);border-color:var(--cyan)}
.l-body{padding:0 16px 18px 64px}
.l-body p{margin-top:12px}
.layer.lit{border-color:var(--cyan);box-shadow:0 0 24px rgba(var(--g1),.45),inset 3px 0 0 var(--cyan)}
.layer.lit .l-code{background:var(--cyan);color:var(--on)}
.layer.passed .l-code{background:rgba(var(--g1),.2)}

.trace{position:sticky;top:96px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--deep);overflow:hidden}
.tr-arg{color:var(--cyan)}
.trace-log{list-style:none;margin:0;padding:16px 18px;min-height:280px;font-family:var(--mono);font-size:12.5px;line-height:1.5}
.trace-log li{display:grid;grid-template-columns:30px 1fr;gap:8px;padding:6px 0;border-bottom:1px dashed rgba(var(--g1),.12);animation:panelIn .35s ease}
.trace-log li:last-child{border-bottom:0}
.trace-log .tl-code{color:var(--cyan);font-weight:600}
.trace-log .tl-txt{color:var(--body)}
.trace-log .tl-txt b{color:var(--text);font-weight:600}
.trace-log .tl-empty{display:block;color:var(--dim);grid-column:1/-1}
.trace-actions{padding:0 18px 18px}
.trace-actions .pc-toggle{margin-top:0}
.trace.done .pc-toggle{animation:none}
@media (max-width:900px){.stack-wrap{grid-template-columns:1fr}.trace{position:relative;top:auto}.l-head{grid-template-columns:34px 1fr 28px}.l-count{display:none}.l-body{padding-left:16px}}

.rec-pick{display:flex;flex-wrap:wrap;gap:6px;padding:14px 18px 0}
.rec{font-family:var(--mono);font-size:11px;letter-spacing:.06em;padding:7px 10px;border:1px solid var(--idle);border-radius:3px;background:var(--panel);color:var(--body);cursor:pointer;transition:.2s}
.rec:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 14px rgba(var(--g1),.3)}
.rec.active{background:var(--cyan);color:var(--on);border-color:var(--cyan);font-weight:600;box-shadow:0 0 16px rgba(var(--g1),.45)}
.tl-empty b{color:var(--cyan)}

/* ---------- Data stack v3: single traced flow ---------- */
.flowbox{margin-top:32px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--deep);overflow:hidden}
.flow-top{border-bottom:1px solid var(--line)}
.flowbox .rec-pick{padding:16px 20px 12px;gap:8px}
.flowbox .rec{display:inline-flex;align-items:center;gap:7px;font-size:12px;padding:9px 13px;animation:idleGlow 2.4s ease-in-out infinite}
.flowbox .rec:nth-child(2){animation-delay:.4s}.flowbox .rec:nth-child(3){animation-delay:.8s}.flowbox .rec:nth-child(4){animation-delay:1.2s}
.flowbox .rec.active{animation:none}
.flowbox .run-head{border-top:1px solid var(--line);border-bottom:0;background:transparent}
.flow-intro{padding:12px 20px 14px;font-size:14px;color:var(--muted);border-top:1px solid var(--line)}
.flow-intro b{color:var(--cyan)}
.flowlist{list-style:none;margin:0;padding:22px 20px 22px;position:relative}
.flowlist:before{content:"";position:absolute;left:39px;top:40px;bottom:40px;width:2px;background:linear-gradient(to bottom,var(--cyan),rgba(var(--g1),.2))}
.flowlist:after{content:"";position:absolute;left:35px;top:var(--pk,30px);width:10px;height:44px;border-radius:99px;background:linear-gradient(to bottom,transparent,var(--cyan),var(--hi),var(--cyan),transparent);box-shadow:0 0 16px rgba(var(--g1),.8);opacity:0;transition:top .5s cubic-bezier(.4,0,.2,1),opacity .3s}
.flowlist.tracing:after{opacity:1}
.fl{position:relative;display:grid;grid-template-columns:40px 190px minmax(0,1fr);gap:18px;align-items:start;padding:14px 0;border-bottom:1px dashed rgba(var(--g1),.12);transition:opacity .3s,filter .3s}
.fl:last-child{border-bottom:0}
.fl-dot{position:relative;z-index:1;width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--cyan);border-radius:3px;background:var(--deep);color:var(--cyan);font-family:var(--mono);font-size:12px;font-weight:600}
.fl-name b{display:block;font-family:var(--mono);font-size:13px;letter-spacing:.12em;margin-top:3px}
.fl-name small{display:block;font-size:13px;color:var(--muted);margin-top:3px}
.fl-step{font-family:var(--mono);font-size:15px;line-height:1.45;color:var(--text);min-height:1.45em}
.fl-mine{margin-top:8px;font-size:14px;line-height:1.55;color:var(--body)}
.fl-mine span{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-right:8px}
.fl-tools{margin-top:5px;font-family:var(--mono);font-size:11.5px;line-height:1.5;color:var(--dim)}
.fl.pending{opacity:.25;filter:blur(.5px)}
.fl.active .fl-dot{background:var(--cyan);color:var(--on);box-shadow:0 0 0 5px rgba(var(--g1),.12),0 0 20px rgba(var(--g1),.7)}
.fl.active .fl-step{color:var(--cyan);text-shadow:0 0 10px rgba(var(--g1),.4)}
.fl.active .fl-step:after{content:"▮";margin-left:2px;animation:hintBlink .7s steps(1) infinite}
.fl.done .fl-dot{background:var(--surface2)}
@media (max-width:760px){
  .fl{grid-template-columns:40px minmax(0,1fr);gap:12px}
  .fl-name{grid-column:2}
  .fl-main{grid-column:2}
  .flowlist{padding:16px 14px}
  .flowlist:before{left:33px}.flowlist:after{left:29px}
  .flowbox .rec-pick{padding:14px}
}






/* ---------- Data stack v4: lanes board ---------- */
.bd-box{margin-top:30px;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(170deg,rgba(30,36,45,.88),rgba(13,16,20,.92))}
.board-scroll{overflow-x:auto}
.board{position:relative;min-width:720px;padding:14px 18px 10px}
.b-row{position:relative;display:grid;grid-template-columns:150px 1fr 70px;align-items:center;height:46px;z-index:2}
.b-head{height:auto;padding-bottom:6px;border-bottom:1px solid var(--line);margin-bottom:6px}
.b-cols{display:grid;grid-template-columns:repeat(7,1fr)}
.b-col{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:0;cursor:pointer;padding:6px 2px;color:var(--muted);transition:color .2s}
.b-col em{font-style:normal;font-family:var(--mono);font-size:10px;color:var(--dim)}
.b-col b{font-family:var(--display);font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.b-col:hover,.b-col.on{color:var(--text)}
.b-col.on em{color:var(--cyan)}
.b-name{display:flex;align-items:center;gap:8px;font-family:var(--display);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--body)}
.b-name i{width:8px;height:8px;border-radius:50%;background:var(--lc);box-shadow:0 0 10px var(--lc)}
.b-hname{color:var(--dim);font-size:10px}
.b-track{position:relative;display:grid;grid-template-columns:repeat(7,1fr);align-items:center;height:100%}
.b-line{position:absolute;left:0;right:-40px;top:50%;height:1px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--lc) 55%,transparent) 6%,color-mix(in srgb,var(--lc) 55%,transparent));}
.b-node{position:relative;justify-self:center;width:12px;height:12px;border-radius:50%;border:1px solid var(--lc);background:var(--bg);cursor:pointer;padding:0;transition:transform .2s,box-shadow .2s,background .2s;z-index:2}
.b-node:hover,.b-node.on{background:var(--lc);transform:scale(1.35);box-shadow:0 0 12px var(--lc),0 0 24px color-mix(in srgb,var(--lc) 50%,transparent)}
.b-pk{position:absolute;top:50%;left:0;width:26px;height:4px;margin-top:-2px;border-radius:4px;background:linear-gradient(90deg,transparent,var(--lc),#fff);box-shadow:0 0 10px var(--lc),0 0 18px var(--lc);animation:lane var(--dur) linear infinite;animation-delay:var(--del);z-index:1;pointer-events:none}
.b-pk.b2{animation-delay:calc(var(--del) - var(--dur) / 2);opacity:.6}
@keyframes lane{0%{left:-4%;opacity:0}6%{opacity:1}94%{opacity:1}100%{left:104%;opacity:0}}
.b-end{justify-self:end;color:var(--lc);font-size:10px;padding-right:6px;text-shadow:0 0 8px var(--lc)}
.b-endh{font-family:var(--display);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--orange);text-shadow:none;padding-right:0}
.b-wall{position:absolute;right:18px;top:58px;bottom:14px;width:3px;border-radius:3px;background:linear-gradient(to bottom,var(--cyan),var(--violet),var(--blue),var(--orange));box-shadow:0 0 14px rgba(var(--g1),.5);animation:wallPulse 2.4s ease-in-out infinite}
@keyframes wallPulse{50%{box-shadow:0 0 26px rgba(var(--g2),.6)}}
.b-beam{position:absolute;top:8px;bottom:8px;left:0;width:0;border-radius:6px;background:linear-gradient(180deg,rgba(var(--g1),.16),rgba(var(--g1),.04));border:1px solid rgba(var(--g1),.35);box-shadow:0 0 30px rgba(var(--g1),.18);transition:left .55s cubic-bezier(.4,0,.2,1),width .55s;z-index:1;pointer-events:none}
.b-detail{border-top:1px solid var(--line);padding:16px 20px 18px}
.bd-top{display:flex;align-items:center;gap:14px}
.bd-code{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(180deg,var(--hi),var(--accdk));color:var(--on);font-family:var(--mono);font-size:12px;font-weight:600;flex:none}
.bd-title b{display:block;font-family:var(--display);font-size:14px;letter-spacing:.14em}
.bd-title small{display:block;font-size:14px;color:var(--muted)}
.bd-top .run-status{margin-left:auto}
.bd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
.bd-cell{border-left:2px solid var(--lc);padding:4px 0 4px 12px;transition:background .2s}
.bd-cell.hot{background:color-mix(in srgb,var(--lc) 10%,transparent)}
.bd-lane{display:flex;align-items:center;gap:6px;font-family:var(--display);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--lc)}
.bd-lane i{width:6px;height:6px;border-radius:50%;background:var(--lc)}
.bd-cell p{margin-top:4px;font-size:15px;line-height:1.4;color:var(--text)}
.bd-mine{margin-top:14px;font-size:15.5px;color:var(--body)}
.bd-mine span{font-family:var(--display);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-right:10px}
.bd-mine em{font-style:normal}
.bd-tools{margin-top:4px;font-family:var(--mono);font-size:11.5px;color:var(--dim)}
@media (max-width:900px){.bd-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.bd-grid{grid-template-columns:1fr}.b-detail{padding:14px}}
@media (prefers-reduced-motion:reduce){.b-pk{display:none}.b-wall{animation:none}}


/* highlighter: grab handles when paused */
.b-beam{pointer-events:none}
.board{user-select:none;-webkit-user-select:none}
.board.paused .b-beam{z-index:3;pointer-events:auto;cursor:grab;border-color:rgba(var(--g1),.7);animation:beamIdle 1.8s ease-in-out infinite;touch-action:none}
.board.dragging .b-beam{cursor:grabbing;transition:none;animation:none}
@keyframes beamIdle{50%{box-shadow:0 0 34px rgba(var(--g1),.4),inset 0 0 20px rgba(var(--g1),.12)}}
.bh{position:absolute;top:50%;width:22px;height:40px;margin-top:-20px;display:grid;place-items:center;border-radius:4px;background:linear-gradient(180deg,var(--hi),var(--accdk));color:var(--on);font-size:9px;opacity:0;transform:scale(.6);transition:opacity .25s,transform .25s;cursor:pointer;box-shadow:0 0 14px rgba(var(--g1),.6)}
.bh-l{left:-11px}.bh-r{right:-11px}
.board.paused .bh{opacity:1;transform:scale(1)}
.board.paused .bh-l{animation:nudgeL 1.2s ease-in-out infinite}.board.paused .bh-r{animation:nudgeR 1.2s ease-in-out infinite}
@keyframes nudgeL{50%{transform:translateX(-3px)}}@keyframes nudgeR{50%{transform:translateX(3px)}}
.bd-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.bd-top .bd-nav .run-status{margin-left:6px}
.bd-step{width:30px;height:30px;display:grid;place-items:center;border:1px solid var(--idle);border-radius:3px;background:var(--panel);color:var(--cyan);font-size:9px;cursor:pointer;transition:.2s}
.bd-step:hover{background:linear-gradient(180deg,var(--hi),var(--accdk));color:var(--on);border-color:var(--hi)}
.board.paused ~ * .bd-step,.bd-box:has(.board.paused) .bd-step{animation:idleGlow 2s ease-in-out infinite}
#bdAuto{cursor:pointer}
.board:focus-visible{outline:1px solid var(--cyan);outline-offset:-2px}

/* career tabs: a travelling glint so they read as selectable */
@keyframes glint{0%,40%{left:-70%}100%{left:140%}}
.career-tabs .tab:after{display:block!important;left:-70%;width:55%;background:linear-gradient(100deg,transparent 0%,rgba(255,255,255,.08) 30%,rgba(255,255,255,.55) 50%,rgba(var(--g1),.25) 60%,transparent 100%);animation:glint 3.2s ease-in-out infinite}
.career-tabs .tab:nth-child(2):after{animation-delay:.35s}.career-tabs .tab:nth-child(3):after{animation-delay:.7s}.career-tabs .tab:nth-child(4):after{animation-delay:1.05s}.career-tabs .tab:nth-child(5):after{animation-delay:1.4s}
.career-tabs .tab:not(.active){animation:idleGlow 2.4s ease-in-out infinite}
.career-tabs .tab.active:after{display:none!important}
@media (prefers-reduced-motion:reduce){.career-tabs .tab:after{display:none!important}.board.paused .b-beam,.bh{animation:none!important}}

[hidden]{display:none!important}


/* ---------- Connect switchboard ---------- */
.board2{position:relative;display:grid;grid-template-columns:260px 1fr;gap:70px;align-items:center;margin-top:40px;padding:34px 30px;border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(160deg,rgba(var(--g1),.06),rgba(var(--dk),.6));overflow:hidden}
.board2:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(420px 260px at 18% 50%,rgba(var(--g1),.12),transparent 70%)}
.sb-lines{position:absolute;left:0;top:0;pointer-events:none;overflow:visible}
.sb-base{fill:none;stroke:var(--line);stroke-width:1.5}
.sb-flow{fill:none;stroke:var(--cyan);stroke-width:2;stroke-linecap:round;stroke-dasharray:6 22;opacity:.55;animation:sbFlow 2.1s linear infinite;filter:drop-shadow(0 0 4px rgba(var(--g1),.8))}
.sb-flow.hot{opacity:1;stroke-width:2.6;animation-duration:.8s}
.sb-end{fill:var(--bg);stroke:var(--cyan);stroke-width:1.5;transition:r .2s}
.sb-end.hot{fill:var(--cyan)}
@keyframes sbFlow{to{stroke-dashoffset:-56}}
.hub{position:relative;display:flex;flex-direction:column;align-items:center;gap:18px;z-index:1}
.hub-core{position:relative;z-index:2;width:108px;height:108px;display:grid;place-items:center;border-radius:50%;background:radial-gradient(circle at 35% 30%,var(--hi),var(--cyan) 45%,var(--accdk));color:var(--on);font-family:var(--display);font-size:34px;font-weight:700;letter-spacing:.04em;box-shadow:0 0 0 6px rgba(var(--g1),.12),0 0 40px rgba(var(--g1),.45)}
.hub-ring{position:absolute;top:54px;left:50%;width:108px;height:108px;margin:-54px 0 0 -54px;border-radius:50%;border:1px solid rgba(var(--g1),.5);animation:hubRing 3.6s ease-out infinite;z-index:1}
.hub-ring.r2{animation-delay:1.2s}.hub-ring.r3{animation-delay:2.4s}
@keyframes hubRing{0%{transform:scale(1);opacity:.8}100%{transform:scale(2.3);opacity:0}}
.hub.ping .hub-core{box-shadow:0 0 0 8px rgba(var(--g1),.2),0 0 60px rgba(var(--g1),.7)}
.hub-meta{text-align:center;display:flex;flex-direction:column;gap:3px}
.hub-meta b{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--text)}
.hub-meta span{font-family:var(--mono);font-size:22px;color:var(--cyan);font-variant-numeric:tabular-nums}
.hub-meta em{display:inline-flex;align-items:center;justify-content:center;gap:7px;font-style:normal;font-size:12.5px;color:var(--muted)}
.hub-meta em i{width:7px;height:7px;border-radius:50%;background:#3ddc84;box-shadow:0 0 8px #3ddc84;animation:liveDot 1.4s ease-in-out infinite}
.chans{display:flex;flex-direction:column;gap:14px;z-index:1}
.ch{position:relative;display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-md);background:rgba(var(--dk),.75);transition:transform .25s,border-color .25s,box-shadow .25s;overflow:hidden}
.ch:hover{transform:translateX(6px);border-color:rgba(var(--g1),.6);box-shadow:0 0 26px rgba(var(--g1),.18)}
.ch:after{content:"";position:absolute;top:0;bottom:0;left:-40%;width:30%;background:linear-gradient(100deg,transparent,rgba(var(--g1),.18),transparent);transform:skewX(-18deg);opacity:0;pointer-events:none}
.ch.sent:after{animation:sentSweep .8s ease-out}
@keyframes sentSweep{0%{left:-40%;opacity:1}100%{left:130%;opacity:0}}
.ch-ic{width:46px;height:46px;display:grid;place-items:center;border-radius:50%;border:1px solid rgba(var(--g1),.5);color:var(--cyan);font-family:var(--mono);font-size:18px;font-weight:600;background:rgba(var(--g1),.06)}
.ch:hover .ch-ic{background:var(--cyan);color:var(--on)}
.ch-lbl{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.ch-addr{display:block;margin-top:4px;font-family:var(--mono);font-size:15px;color:var(--text);user-select:all;word-break:break-all}
.ch.sent .ch-addr{animation:addrFlash .8s ease}
@keyframes addrFlash{30%{color:var(--cyan);text-shadow:0 0 12px rgba(var(--g1),.8)}}
.ch-act{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.ch-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;min-width:92px;padding:9px 14px;border:1px solid rgba(var(--g1),.55);border-radius:var(--r-sm);background:transparent;color:var(--text);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.ch-btn:hover{background:var(--cyan);color:var(--on);border-color:var(--cyan)}
.ch-btn.ghost{border-color:var(--line);color:var(--muted)}
.ch-btn.ghost:hover{color:var(--on)}
.ch-btn .cb-b{display:none}
.ch-btn.done{background:var(--cyan);color:var(--on);border-color:var(--cyan)}
.ch-btn.done .cb-a{display:none}.ch-btn.done .cb-b{display:inline}
.ch-note{position:absolute;right:18px;bottom:4px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--cyan)}
@media (max-width:760px){
  .board2{grid-template-columns:1fr;gap:26px;padding:22px 16px}
  .hub{flex-direction:row;justify-content:flex-start;gap:16px}
  .hub-core{width:64px;height:64px;font-size:22px}
  .hub-ring{top:32px;left:32px;width:64px;height:64px;margin:-32px 0 0 -32px}
  .hub-meta{text-align:left}.hub-meta em{justify-content:flex-start}
  .ch{grid-template-columns:40px minmax(0,1fr);padding:14px}
  .ch-ic{width:40px;height:40px}
  .ch-act{grid-column:1/-1;justify-content:flex-start}
}
@media (prefers-reduced-motion:reduce){.sb-flow,.hub-ring,.hub-meta em i{animation:none}}

.hub-core img{width:100%;height:100%;border-radius:50%;object-fit:cover;display:block}
.hub-core{padding:4px;overflow:hidden}

/* hub photo: centered, graded per theme */
.hub{align-self:center;justify-self:center}
.hub-core{position:relative}
.hub-core img{position:relative;z-index:1;filter:var(--ph-f,none);transition:filter .4s}
.hub-core:after{content:"";position:absolute;inset:4px;border-radius:50%;z-index:2;pointer-events:none;background:var(--ph-o,transparent);mix-blend-mode:var(--ph-b,normal)}
html[data-skin="matrix"] .hub-core{--ph-f:grayscale(1) contrast(1.25) brightness(.9);--ph-o:linear-gradient(180deg,rgba(0,255,102,.55),rgba(0,120,50,.55));--ph-b:multiply}
html[data-skin="matrix"] .hub-core:before{content:"";position:absolute;inset:4px;border-radius:50%;z-index:3;pointer-events:none;background:repeating-linear-gradient(180deg,rgba(0,255,102,.12) 0 1px,transparent 1px 3px)}

/* keep each address on one line */
.board2{gap:50px}
.ch-addr{white-space:nowrap;word-break:normal;overflow:hidden;text-overflow:ellipsis;font-size:clamp(12px,1.18vw,15px)}
.ch-act{flex-wrap:nowrap}
@media (max-width:1100px) and (min-width:761px){.board2{grid-template-columns:200px 1fr;gap:40px}.ch{grid-template-columns:40px minmax(0,1fr)}.ch-ic{width:40px;height:40px}.ch-act{grid-column:2;justify-content:flex-start}.ch-addr{font-size:14px}}
@media (max-width:760px){.ch{grid-template-columns:1fr}.ch-ic{display:none}.ch-act{grid-column:1}.ch-addr{font-size:clamp(10.5px,3.2vw,13px);letter-spacing:-.01em}}

/* ---------- Connect: per-theme styling ---------- */
.sb-pk{fill:var(--hi);filter:drop-shadow(0 0 5px rgba(var(--g1),1))}
.hub-core,.hub-core img,.hub-ring{border-radius:var(--hub-r,50%)}
.hub-core:after,.hub-core:before{border-radius:var(--hub-r,50%)!important}
.board2{background-image:var(--sb-bg,none),linear-gradient(160deg,rgba(var(--g1),.06),rgba(var(--dk),.6))}
.ch{border-left-width:var(--ch-bl,1px)}
html[data-skin="matrix"]{--hub-r:10px}
html[data-skin="matrix"] .sb-flow{stroke-dasharray:2 6;animation-duration:.9s}
html[data-skin="matrix"] .board2{--sb-bg:repeating-linear-gradient(0deg,rgba(0,255,102,.035) 0 1px,transparent 1px 4px)}
html[data-skin="matrix"] .ch-addr:before{content:"> ";color:var(--cyan)}
@keyframes hubSpin{from{rotate:0deg}to{rotate:360deg}}
@keyframes sbFlowLong{to{stroke-dashoffset:-240}}
@media (prefers-reduced-motion:reduce){.hub-ring{animation:none!important}}
.hub-meta em{white-space:nowrap;font-family:var(--mono)!important;font-size:12px!important;letter-spacing:.04em;font-style:normal!important;text-transform:none!important}
/* ===== skin: matrix ===== */
html[data-skin="matrix"]{--g1:0,255,102;--g2:0,200,90;--on:#001a09;--idle:#1f6b40;--idle2:#1a5a36;--idle3:#237447;--hi:#eafff0;--accdk:#0a8f3c;--dk:1,4,2;--display:"Share Tech Mono","IBM Plex Mono",monospace;--serif:"IBM Plex Mono",ui-monospace,monospace;}
html[data-skin="matrix"]{--bg:#010402;--panel:#03100a;--surface:#06170d;--surface2:#0a2013;--line:#12402a;--text:#d8ffe4;--body:#a3dcb4;--muted:#7fc494;--dim:#5fa577;--cyan:#00ff66;--violet:#8dffb4;--blue:#3dff9e;--orange:#c6ff4a;--gold:#5cffc8;--r-lg:6px;--r-md:4px;--r-sm:3px}
html[data-skin="matrix"] body{font-size:15.5px;background-color:var(--bg)}
html[data-skin="matrix"] .scan{display:block!important}
html[data-skin="matrix"] .cursor{display:inline-block!important}
html[data-skin="matrix"] .section,html[data-skin="matrix"] .contact{background:rgba(1,4,2,.8)}
html[data-skin="matrix"] .section.alt{background:rgba(2,9,4,.9)}
html[data-skin="matrix"] .hero h1{font-size:clamp(38px,5.6vw,72px);line-height:1.02}
html[data-skin="matrix"] .section h2{font-size:clamp(32px,4.6vw,52px)}
html[data-skin="matrix"] .hero h1 .hl,html[data-skin="matrix"] .gradient{color:var(--cyan);background:none;-webkit-background-clip:initial;background-clip:initial}
html[data-skin="matrix"] .label:not(.dim):before{content:"> ";opacity:.7}
html[data-skin="matrix"] .b-beam{border-color:rgba(0,255,102,.5);background:linear-gradient(180deg,rgba(0,255,102,.12),rgba(0,255,102,.02))}

/* ===== skin: ide ===== */
html[data-skin="ide"]{--g1:204,120,50;--g2:106,135,89;--on:#2b2b2b;--idle:#4e5254;--idle2:#5a5e60;--idle3:#6e7274;--hi:#ffc66d;--accdk:#8a5424;--dk:43,43,43;--deep:#2b2b2b;--display:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;--serif:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;--mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;--bg:#2b2b2b;--panel:#313335;--surface:#3c3f41;--surface2:#45494a;--line:#4b4f52;--text:#a9b7c6;--body:#a9b7c6;--muted:#808080;--dim:#6f737a;--cyan:#cc7832;--violet:#9876aa;--blue:#6897bb;--orange:#ffc66d;--gold:#6a8759;--r-lg:4px;--r-md:3px;--r-sm:3px}
html[data-skin="ide"] body{font-size:14.5px;line-height:1.7;background:#2b2b2b}
html[data-skin="ide"] #rain{opacity:1}
html[data-skin="ide"] nav{border-radius:0!important;background:#3c3f41!important;border:0!important;border-bottom:1px solid #2b2b2b!important;box-shadow:0 1px 0 #515658}
html[data-skin="ide"] .logo{font-family:var(--mono);font-weight:600;letter-spacing:.02em;font-size:13px;color:#a9b7c6;text-shadow:none}
html[data-skin="ide"] .logo:before{content:"▸ ";color:#499c54}
html[data-skin="ide"] .links a,html[data-skin="ide"] .navbtn,html[data-skin="ide"] .btn,html[data-skin="ide"] .pc-toggle,html[data-skin="ide"] .tab,html[data-skin="ide"] .rec{font-family:var(--mono)!important;letter-spacing:.02em;font-size:12px;text-transform:none!important}
html[data-skin="ide"] h1,html[data-skin="ide"] h2,html[data-skin="ide"] h3{font-family:var(--mono);font-weight:500;letter-spacing:0!important;text-shadow:none;text-transform:none}
html[data-skin="ide"] .hero .wrap{padding-left:64px}
html[data-skin="ide"] .hero h1{font-size:clamp(22px,2.6vw,32px);line-height:1.45;color:#a9b7c6;max-width:900px}
html[data-skin="ide"] .hero h1:before{content:"$ python -m ferdous_alam --profile";display:block;margin-bottom:14px;font-size:14px;color:#6a8759}
html[data-skin="ide"] .hero h1 .hl{color:#ffc66d;background:none;-webkit-background-clip:initial;background-clip:initial}
html[data-skin="ide"] .gradient{color:#6a8759;background:none;-webkit-background-clip:initial;background-clip:initial}
html[data-skin="ide"] .gradient:before,html[data-skin="ide"] .gradient:after{content:'"'}
html[data-skin="ide"] .eyebrow,html[data-skin="ide"] .hero .label{color:#808080!important;font-style:italic}
html[data-skin="ide"] .hero .label:before{content:"# "!important;opacity:1!important}
html[data-skin="ide"] .lede{font-size:15px;color:#a9b7c6;border-left:2px solid #4b4f52;padding-left:14px}
html[data-skin="ide"] .section,html[data-skin="ide"] .contact{background:#2b2b2b!important;border-top:1px solid #3c3f41}
html[data-skin="ide"] .section.alt{background:#2f3133!important}
html[data-skin="ide"] .section .wrap,html[data-skin="ide"] .contact .wrap{padding-left:64px}
html[data-skin="ide"] .section h2,html[data-skin="ide"] .contact h2{font-size:clamp(20px,2.4vw,28px);line-height:1.4;color:#a9b7c6}
html[data-skin="ide"] .section h2:before,html[data-skin="ide"] .contact h2:before{content:"def ";color:#cc7832}
html[data-skin="ide"] .section h2:after,html[data-skin="ide"] .contact h2:after{content:"(self):";display:inline;color:#a9b7c6;margin:0;background:none;width:auto;height:auto}
html[data-skin="ide"] .kicker{color:#808080!important;font-style:italic;text-transform:none!important;letter-spacing:.02em!important}
html[data-skin="ide"] .label{text-transform:none!important;letter-spacing:.02em!important}
html[data-skin="ide"] .label.dim{color:#9876aa!important}
html[data-skin="ide"] .intro{color:#629755;font-style:italic;font-size:14.5px}
html[data-skin="ide"] .intro:before{content:'"""';display:block;color:#629755}
html[data-skin="ide"] .intro:after{content:'"""';display:block;color:#629755}
html[data-skin="ide"] .system,html[data-skin="ide"] .run,html[data-skin="ide"] .tree,html[data-skin="ide"] .flowbox,html[data-skin="ide"] .k-detail,html[data-skin="ide"] .proof-card,html[data-skin="ide"] .career,html[data-skin="ide"] .cta,html[data-skin="ide"] .years,html[data-skin="ide"] .path,html[data-skin="ide"] .stat,html[data-skin="ide"] .k-card,html[data-skin="ide"] .k-sum div,html[data-skin="ide"] .toolkit div,html[data-skin="ide"] .reach>div,html[data-skin="ide"] .manifest,html[data-skin="ide"] .bd-box,html[data-skin="ide"] .board2,html[data-skin="ide"] .canvas,html[data-skin="ide"] .detail{background:#313335!important;border-color:#4b4f52!important;box-shadow:none!important;border-radius:3px!important}
html[data-skin="ide"] .tags span{border-radius:2px!important;background:#3c3f41!important;border-color:#4b4f52!important;font-family:var(--mono)}
html[data-skin="ide"] .tags span:nth-child(3n+1){color:#cc7832!important}
html[data-skin="ide"] .tags span:nth-child(3n+2){color:#6a8759!important}
html[data-skin="ide"] .tags span:nth-child(3n){color:#6897bb!important}
html[data-skin="ide"] .btn,html[data-skin="ide"] .pc-toggle,html[data-skin="ide"] .tab,html[data-skin="ide"] .rec,html[data-skin="ide"] .navbtn,html[data-skin="ide"] .ch-btn,html[data-skin="ide"] .rail button{border-radius:3px!important;background:#3c3f41;border-color:#515658;color:#a9b7c6}
html[data-skin="ide"] .btn:hover,html[data-skin="ide"] .navbtn:hover,html[data-skin="ide"] .pc-toggle:hover,html[data-skin="ide"] .ch-btn:hover{background:#4b6eaf;color:#fff;border-color:#4b6eaf;box-shadow:none}
html[data-skin="ide"] .tab.active,html[data-skin="ide"] .rail button.active,html[data-skin="ide"] .rec.active,html[data-skin="ide"] .proof-card.open .pc-toggle,html[data-skin="ide"] .t-node.active .t-run,html[data-skin="ide"] .run-status.ok,html[data-skin="ide"] .t-flag,html[data-skin="ide"] .p-step.done .p-dot,html[data-skin="ide"] .fl.active .fl-dot,html[data-skin="ide"] .bd-code,html[data-skin="ide"] .bh{background:#4b6eaf!important;color:#fff!important;border-color:#4b6eaf!important;box-shadow:none!important}
html[data-skin="ide"] .t-node.active,html[data-skin="ide"] .stage.active{background:#214283!important;border-color:#4b6eaf!important;box-shadow:none!important}
html[data-skin="ide"] .stages:before,html[data-skin="ide"] .pipe:before,html[data-skin="ide"] .flowlist:before{background:#4b4f52;box-shadow:none}
html[data-skin="ide"] .stages:after{background:#499c54!important;width:10px!important;height:10px!important;border-radius:2px!important;left:24px;box-shadow:none!important}
html[data-skin="ide"] .canvas:after,html[data-skin="ide"] .system:before,html[data-skin="ide"] .run:before,html[data-skin="ide"] .career:before,html[data-skin="ide"] .k-detail:before{display:none}
html[data-skin="ide"] .b-beam{border-color:#4b6eaf;background:rgba(75,110,175,.12)}
html[data-skin="ide"] .b-pk{background:linear-gradient(90deg,transparent,var(--lc));box-shadow:none}
html[data-skin="ide"] .run-head,html[data-skin="ide"] .tree-head{background:#3c3f41!important}
html[data-skin="ide"] .pc-term,html[data-skin="ide"] .trace-log{background:#2b2b2b!important}
html[data-skin="ide"] .hub-core{--ph-f:grayscale(.3) contrast(1.05);--ph-o:transparent;border-radius:4px!important;background:#3c3f41!important;box-shadow:none!important}
html[data-skin="ide"] .hub-core img,html[data-skin="ide"] .hub-ring{border-radius:4px!important}
html[data-skin="ide"] .hub-ring{animation:none!important;opacity:0}
html[data-skin="ide"] .sb-flow{stroke:#6a8759;filter:none;stroke-dasharray:4 6}
html[data-skin="ide"] .ch-addr{color:#6a8759}
html[data-skin="ide"] .ch-addr:before{content:'"'}
html[data-skin="ide"] .ch-addr:after{content:'"'}
html[data-skin="ide"] .career-tabs .tab:after{background:linear-gradient(100deg,transparent,rgba(255,255,255,.08),transparent)}
html[data-skin="ide"] ::selection{background:#214283;color:#fff}
@media (max-width:760px){html[data-skin="ide"] .hero .wrap,html[data-skin="ide"] .section .wrap,html[data-skin="ide"] .contact .wrap{padding-left:34px}
html[data-skin="ide"] .hero h1{font-size:21px}
}

/* ===== skin: latex ===== */
html[data-skin="latex"]{--g1:26,26,26;--g2:120,0,0;--on:#ffffff;--idle:#bdbdb6;--idle2:#a9a9a2;--idle3:#8c8c86;--hi:#ffffff;--accdk:#333;--dk:252,251,247;--deep:#fcfbf7;--display:"Latin Modern Roman","CMU Serif","Computer Modern Serif","Crimson Pro",Georgia,serif;--serif:"Latin Modern Roman","CMU Serif","Computer Modern Serif","Crimson Pro",Georgia,serif;--mono:"Latin Modern Mono","CMU Typewriter Text","Courier Prime","Courier New",monospace;--bg:#fcfbf7;--panel:#fcfbf7;--surface:#f6f5f0;--surface2:#efeee8;--line:#1a1a1a;--text:#141414;--body:#1c1c1c;--muted:#4a4a4a;--dim:#5a5a5a;--cyan:#1a1a1a;--violet:#7a1f1f;--blue:#1f3f7a;--orange:#7a1f1f;--gold:#1a1a1a;--r-lg:0px;--r-md:0px;--r-sm:0px}
html[data-skin="latex"]{color-scheme:light}
html[data-skin="latex"] body{font-size:19px;line-height:1.5;background:#fcfbf7;font-family:var(--serif)}
html[data-skin="latex"] #rain{display:none}
html[data-skin="latex"] nav{border-radius:0!important;background:rgba(252,251,247,.96)!important;border:0!important;border-bottom:.8px solid #1a1a1a!important;box-shadow:none}
html[data-skin="latex"] .logo{font-family:var(--serif);font-variant:small-caps;letter-spacing:.08em;font-size:17px;color:#141414;text-shadow:none;text-transform:lowercase}
html[data-skin="latex"] .links a,html[data-skin="latex"] .navbtn{font-family:var(--serif)!important;font-variant:small-caps;text-transform:lowercase!important;letter-spacing:.06em!important;font-size:15px!important;color:#333}
html[data-skin="latex"] h1,html[data-skin="latex"] h2,html[data-skin="latex"] h3{font-family:var(--serif);letter-spacing:0!important;text-shadow:none!important;text-transform:none;color:#141414}
html[data-skin="latex"] .hero .wrap{text-align:center}
html[data-skin="latex"] .hero h1,html[data-skin="latex"] .hero .lede{max-width:820px}
html[data-skin="latex"] .hero h1{font-size:clamp(28px,3.4vw,40px);line-height:1.2;font-weight:400;margin-inline:auto}
html[data-skin="latex"] .hero h1 .hl,html[data-skin="latex"] .gradient{background:none;-webkit-background-clip:initial;background-clip:initial;color:#141414;font-style:italic}
html[data-skin="latex"] .hero .wrap>.label:first-child{display:block;font-family:var(--serif)!important;font-variant:small-caps;text-transform:lowercase!important;letter-spacing:.06em!important;font-size:17px!important;color:#333!important}
html[data-skin="latex"] .hero .wrap>.label:first-child:after{content:"Ferdous Alam\A Boston, Massachusetts";white-space:pre;display:block;margin-top:14px;font-variant:normal;text-transform:none;font-size:18px;color:#141414;letter-spacing:0}

html[data-skin="latex"] .lede{max-width:640px;margin:26px auto 0;font-size:16.5px;text-align:justify;hyphens:auto;color:#1c1c1c}
html[data-skin="latex"] .lede:before{content:"Abstract";display:block;text-align:center;font-weight:700;font-size:16px;margin-bottom:6px}
html[data-skin="latex"] .actions{justify-content:center}
html[data-skin="latex"] .section,html[data-skin="latex"] .contact{background:#fcfbf7!important;border-top:0}
html[data-skin="latex"] .section.alt{background:#fcfbf7!important}
html[data-skin="latex"] .section h2,html[data-skin="latex"] .contact h2{font-size:clamp(22px,2.4vw,28px);line-height:1.25;font-weight:700}
html[data-skin="latex"] .section h2:after,html[data-skin="latex"] .contact h2:after{display:none}
html[data-skin="latex"] .kicker{font-family:var(--serif)!important;font-variant:normal;text-transform:none!important;letter-spacing:0!important;font-weight:700;font-size:22px!important;color:#141414!important}
html[data-skin="latex"] .label{font-family:var(--serif)!important;font-variant:small-caps;text-transform:lowercase!important;letter-spacing:.05em!important;font-size:14px!important}
html[data-skin="latex"] .label.dim{color:#4a4a4a!important}
html[data-skin="latex"] .intro{text-align:justify;hyphens:auto;font-size:18px}
html[data-skin="latex"] .system,html[data-skin="latex"] .run,html[data-skin="latex"] .tree,html[data-skin="latex"] .flowbox,html[data-skin="latex"] .k-detail,html[data-skin="latex"] .proof-card,html[data-skin="latex"] .career,html[data-skin="latex"] .cta,html[data-skin="latex"] .years,html[data-skin="latex"] .path,html[data-skin="latex"] .stat,html[data-skin="latex"] .k-card,html[data-skin="latex"] .k-sum div,html[data-skin="latex"] .toolkit div,html[data-skin="latex"] .reach>div,html[data-skin="latex"] .manifest,html[data-skin="latex"] .bd-box,html[data-skin="latex"] .board2,html[data-skin="latex"] .canvas,html[data-skin="latex"] .detail{background:transparent!important;border:0!important;border-top:1.2px solid #1a1a1a!important;border-bottom:1.2px solid #1a1a1a!important;box-shadow:none!important;border-radius:0!important}
html[data-skin="latex"] .stage,html[data-skin="latex"] .t-node,html[data-skin="latex"] .layer,html[data-skin="latex"] .ch,html[data-skin="latex"] .k-card{background:transparent!important;border-color:#bdbdb6!important;border-radius:0!important}
html[data-skin="latex"] .tags span{border:0!important;background:transparent!important;color:#333!important;font-variant:small-caps;text-transform:lowercase;font-family:var(--serif);letter-spacing:.04em;padding:0 6px 0 0!important}
html[data-skin="latex"] .tags span:after{content:";"}
html[data-skin="latex"] .tags span:last-child:after{content:""}
html[data-skin="latex"] .btn,html[data-skin="latex"] .pc-toggle,html[data-skin="latex"] .tab,html[data-skin="latex"] .rec,html[data-skin="latex"] .navbtn,html[data-skin="latex"] .ch-btn,html[data-skin="latex"] .rail button{border-radius:0!important;background:transparent!important;border:.8px solid #1a1a1a!important;color:#141414!important;font-family:var(--serif)!important;font-variant:small-caps;text-transform:lowercase!important;letter-spacing:.05em!important;font-size:15px!important;box-shadow:none!important;animation:none!important}
html[data-skin="latex"] .btn:hover,html[data-skin="latex"] .navbtn:hover,html[data-skin="latex"] .pc-toggle:hover,html[data-skin="latex"] .ch-btn:hover{background:#141414!important;color:#fcfbf7!important}
html[data-skin="latex"] .tab.active,html[data-skin="latex"] .rail button.active,html[data-skin="latex"] .rec.active,html[data-skin="latex"] .proof-card.open .pc-toggle,html[data-skin="latex"] .t-node.active .t-run,html[data-skin="latex"] .run-status.ok,html[data-skin="latex"] .t-flag,html[data-skin="latex"] .p-step.done .p-dot,html[data-skin="latex"] .fl.active .fl-dot,html[data-skin="latex"] .bd-code,html[data-skin="latex"] .bh{background:#141414!important;color:#fcfbf7!important;border-color:#141414!important;box-shadow:none!important}
html[data-skin="latex"] .t-node.active,html[data-skin="latex"] .stage.active{background:#efeee8!important;border-color:#141414!important;box-shadow:none!important}
html[data-skin="latex"] .tab:after,html[data-skin="latex"] .tab:before,html[data-skin="latex"] .k-card:after,html[data-skin="latex"] .rail button:after{display:none!important}
html[data-skin="latex"] .stages:before,html[data-skin="latex"] .pipe:before,html[data-skin="latex"] .flowlist:before,html[data-skin="latex"] .b-wall{background:#1a1a1a;box-shadow:none;width:.8px}
html[data-skin="latex"] .stages:after{display:none}
html[data-skin="latex"] .canvas:after,html[data-skin="latex"] .system:before,html[data-skin="latex"] .run:before,html[data-skin="latex"] .career:before,html[data-skin="latex"] .k-detail:before{display:none}
html[data-skin="latex"] .b-beam{border-color:#141414;background:rgba(0,0,0,.035);border-radius:0}
html[data-skin="latex"] .b-pk{display:none}
html[data-skin="latex"] .run-head,html[data-skin="latex"] .tree-head{background:transparent!important}
html[data-skin="latex"] .run-cmd,html[data-skin="latex"] .tree-root,html[data-skin="latex"] .pc-term,html[data-skin="latex"] .trace-log,html[data-skin="latex"] .fl-tools,html[data-skin="latex"] .bd-tools,html[data-skin="latex"] .ch-addr{font-family:var(--mono)!important}
html[data-skin="latex"] .p-dot,html[data-skin="latex"] .fl-dot,html[data-skin="latex"] .bd-code{border-radius:0!important}
html[data-skin="latex"] .p-main{font-size:18px}
html[data-skin="latex"] .hub-core{--ph-f:grayscale(1) contrast(1.05);--ph-o:transparent;border-radius:0!important;background:#fcfbf7!important;box-shadow:0 0 0 .8px #141414!important}
html[data-skin="latex"] .hub-core img{border-radius:0!important}
html[data-skin="latex"] .hub-ring{animation:none!important;opacity:0}
html[data-skin="latex"] .sb-flow{stroke:#141414;filter:none;stroke-dasharray:none;stroke-width:.8;animation:none;opacity:.6}
html[data-skin="latex"] .sb-pk{display:none}
html[data-skin="latex"] .run-status{border-radius:0!important}
html[data-skin="latex"] .years span,html[data-skin="latex"] .stat strong,html[data-skin="latex"] .big-index,html[data-skin="latex"] .mark{font-family:var(--serif)}
html[data-skin="latex"] ::selection{background:#141414;color:#fcfbf7}
@media (max-width:760px){html[data-skin="latex"] .hero h1{font-size:26px}
}

/* ===== skin: bbg ===== */
html[data-skin="bbg"]{--g1:255,160,40;--g2:255,212,0;--on:#000000;--idle:#5a3a10;--idle2:#6e4714;--idle3:#8a5a18;--hi:#ffd400;--accdk:#b86e00;--dk:0,0,0;--deep:#000000;--display:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;--serif:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;--mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;--bg:#000000;--panel:#050505;--surface:#0b0b0b;--surface2:#141414;--line:#2e2e2e;--text:#ffffff;--body:#ffb347;--muted:#d98c20;--dim:#a8701c;--cyan:#ffa028;--violet:#4da6ff;--blue:#4da6ff;--orange:#ffd400;--gold:#ffa028;--r-lg:0px;--r-md:0px;--r-sm:0px}
html[data-skin="bbg"] body{font-size:14.5px;line-height:1.6;background:#000;padding-bottom:30px}
html[data-skin="bbg"] #rain{opacity:1}
html[data-skin="bbg"] nav{border-radius:0!important;background:#000!important;border:0!important;border-bottom:2px solid #ffa028!important;box-shadow:none}
html[data-skin="bbg"] .logo{font-family:var(--mono);font-weight:600;letter-spacing:.06em;font-size:14px;color:#000;background:#ffa028;padding:2px 8px;text-shadow:none}
html[data-skin="bbg"] .links a{color:#ffa028!important;font-family:var(--mono)!important;font-size:11.5px!important;letter-spacing:.06em!important}
html[data-skin="bbg"] .links a:hover{background:#ffa028;color:#000!important}
html[data-skin="bbg"] .navbtn,html[data-skin="bbg"] .btn,html[data-skin="bbg"] .pc-toggle,html[data-skin="bbg"] .tab,html[data-skin="bbg"] .rec,html[data-skin="bbg"] .ch-btn,html[data-skin="bbg"] .rail button{font-family:var(--mono)!important;letter-spacing:.06em!important;font-size:11.5px!important;text-transform:uppercase!important;border-radius:0!important;background:#1a1a1a!important;border:1px solid #444!important;color:#ffd400!important;box-shadow:none!important}
html[data-skin="bbg"] .btn:after,html[data-skin="bbg"] .pc-toggle:after{content:" <GO>";color:#4da6ff}
html[data-skin="bbg"] .btn:hover,html[data-skin="bbg"] .navbtn:hover,html[data-skin="bbg"] .pc-toggle:hover,html[data-skin="bbg"] .ch-btn:hover,html[data-skin="bbg"] .tab:hover{background:#ffa028!important;color:#000!important;border-color:#ffa028!important}
html[data-skin="bbg"] h1,html[data-skin="bbg"] h2,html[data-skin="bbg"] h3{font-family:var(--mono);font-weight:600;letter-spacing:0!important;text-shadow:none!important;text-transform:uppercase}
html[data-skin="bbg"] h3{text-transform:none;color:#fff}
html[data-skin="bbg"] .hero h1{font-size:clamp(24px,3vw,38px);line-height:1.3;color:#fff}
html[data-skin="bbg"] .hero h1 .hl,html[data-skin="bbg"] .gradient{background:none;-webkit-background-clip:initial;background-clip:initial;color:#ffd400}
html[data-skin="bbg"] .hero{background:transparent!important}
html[data-skin="bbg"] .hero .label{background:#1a3a8a;color:#fff!important;padding:3px 10px;display:inline-block;letter-spacing:.08em!important}
html[data-skin="bbg"] .lede{color:#ffb347;font-size:15px}
html[data-skin="bbg"] .section,html[data-skin="bbg"] .contact{background:#000!important;border-top:1px solid #222}
html[data-skin="bbg"] .section.alt{background:#030303!important}
html[data-skin="bbg"] .section h2,html[data-skin="bbg"] .contact h2{font-size:clamp(20px,2.6vw,30px);line-height:1.3;color:#fff}
html[data-skin="bbg"] .section h2 .gradient{color:#ffa028}
html[data-skin="bbg"] .section h2:after,html[data-skin="bbg"] .contact h2:after{content:"";display:block;height:2px;width:100%;max-width:640px;margin-top:14px;background:linear-gradient(90deg,#ffa028 0 40%,#333 40%)}
html[data-skin="bbg"] .kicker{display:inline-block;background:#ffa028;color:#000!important;padding:2px 10px;font-weight:700;letter-spacing:.08em!important}
html[data-skin="bbg"] .label{letter-spacing:.06em!important}
html[data-skin="bbg"] .label:not(.dim):before{content:none}
html[data-skin="bbg"] .label.dim{color:#d98c20!important}
html[data-skin="bbg"] .intro{color:#ffb347;font-size:15px}
html[data-skin="bbg"] .system,html[data-skin="bbg"] .run,html[data-skin="bbg"] .tree,html[data-skin="bbg"] .flowbox,html[data-skin="bbg"] .k-detail,html[data-skin="bbg"] .proof-card,html[data-skin="bbg"] .career,html[data-skin="bbg"] .cta,html[data-skin="bbg"] .years,html[data-skin="bbg"] .path,html[data-skin="bbg"] .stat,html[data-skin="bbg"] .k-card,html[data-skin="bbg"] .k-sum div,html[data-skin="bbg"] .toolkit div,html[data-skin="bbg"] .reach>div,html[data-skin="bbg"] .manifest,html[data-skin="bbg"] .bd-box,html[data-skin="bbg"] .board2,html[data-skin="bbg"] .canvas,html[data-skin="bbg"] .detail{background:#050505!important;border:1px solid #333!important;box-shadow:none!important;border-radius:0!important}
html[data-skin="bbg"] .stage,html[data-skin="bbg"] .t-node,html[data-skin="bbg"] .layer,html[data-skin="bbg"] .ch,html[data-skin="bbg"] .k-card{border-radius:0!important;background:#0a0a0a!important;border-color:#2e2e2e!important}
html[data-skin="bbg"] .system:before,html[data-skin="bbg"] .run:before,html[data-skin="bbg"] .career:before,html[data-skin="bbg"] .k-detail:before,html[data-skin="bbg"] .canvas:after{display:none}
html[data-skin="bbg"] .run-head,html[data-skin="bbg"] .tree-head,html[data-skin="bbg"] .syshead{background:#1a3a8a!important;color:#fff!important}
html[data-skin="bbg"] .run-head{padding:8px 16px!important}
html[data-skin="bbg"] .run-cmd,html[data-skin="bbg"] .run-cmd .ps{color:#fff!important}
html[data-skin="bbg"] .tags span{border-radius:0!important;background:#111!important;border-color:#333!important;color:#ffd400!important}
html[data-skin="bbg"] .tags span:nth-child(2n){color:#4da6ff!important}
html[data-skin="bbg"] .tab.active,html[data-skin="bbg"] .rail button.active,html[data-skin="bbg"] .rec.active,html[data-skin="bbg"] .proof-card.open .pc-toggle,html[data-skin="bbg"] .t-node.active .t-run,html[data-skin="bbg"] .run-status.ok,html[data-skin="bbg"] .t-flag,html[data-skin="bbg"] .p-step.done .p-dot,html[data-skin="bbg"] .fl.active .fl-dot,html[data-skin="bbg"] .bd-code,html[data-skin="bbg"] .bh{background:#ffa028!important;color:#000!important;border-color:#ffa028!important;box-shadow:none!important}
html[data-skin="bbg"] .t-node.active,html[data-skin="bbg"] .stage.active{background:#2a1a00!important;border-color:#ffa028!important;box-shadow:none!important}
html[data-skin="bbg"] .p-dot,html[data-skin="bbg"] .fl-dot,html[data-skin="bbg"] .bd-code,html[data-skin="bbg"] .t-run,html[data-skin="bbg"] .l-tog,html[data-skin="bbg"] .bh{border-radius:0!important}
html[data-skin="bbg"] .stages:before,html[data-skin="bbg"] .pipe:before,html[data-skin="bbg"] .flowlist:before{background:#ffa028;box-shadow:none;width:1px}
html[data-skin="bbg"] .stages:after{background:#ffd400!important;width:10px!important;height:10px!important;border-radius:0!important;left:24px;box-shadow:none!important}
html[data-skin="bbg"] .b-beam{border-color:#ffa028;background:rgba(255,160,40,.08);border-radius:0}
html[data-skin="bbg"] .b-pk{box-shadow:none}
html[data-skin="bbg"] .run-status.busy{color:#ffd400;border-color:#ffd400}
html[data-skin="bbg"] .years span,html[data-skin="bbg"] .stat strong{color:#ffd400}
html[data-skin="bbg"] .p-label,html[data-skin="bbg"] .fl-mine span,html[data-skin="bbg"] .bd-mine span{color:#4da6ff!important}
html[data-skin="bbg"] .hub-core{--ph-f:grayscale(1) contrast(1.15) sepia(1) saturate(3) hue-rotate(-12deg) brightness(.9);--ph-o:transparent;border-radius:0!important;background:#000!important;box-shadow:0 0 0 2px #ffa028!important}
html[data-skin="bbg"] .hub-core img,html[data-skin="bbg"] .hub-ring{border-radius:0!important}
html[data-skin="bbg"] .hub-ring{animation:none!important;opacity:0}
html[data-skin="bbg"] .hub-meta span{color:#ffd400}
html[data-skin="bbg"] .sb-flow{stroke:#ffa028;filter:none;stroke-dasharray:6 6}
html[data-skin="bbg"] .sb-pk{fill:#ffd400;filter:none}
html[data-skin="bbg"] .ch-addr{color:#fff}
html[data-skin="bbg"] .career-tabs .tab:after{background:linear-gradient(100deg,transparent,rgba(255,212,0,.25),transparent)}
html[data-skin="bbg"] ::selection{background:#ffa028;color:#000}
@media (max-width:760px){html[data-skin="bbg"] .hero h1{font-size:24px}
}
html[data-skin="bbg"] .regime-btn{border-radius:0;background:#1a1a1a;border-color:#ffa028}
html[data-skin="bbg"] .regime-btn:after{display:none}
html[data-skin="bbg"] .rg-ic{border-radius:0;background:#ffa028;color:#000}
html[data-skin="bbg"] .skin-panel{border-radius:0!important}
/* ===== theme switcher ===== */
.scan,.cursor{display:none}
.skin-fab{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:80;display:flex;align-items:center;gap:10px;padding:10px 16px 10px 12px;border:1px solid rgba(var(--g1),.55);border-radius:999px;background:rgba(var(--dk),.92);color:var(--text);font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.45),0 0 22px rgba(var(--g1),.25);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.skin-fab:hover{border-color:var(--cyan);box-shadow:0 10px 30px rgba(0,0,0,.45),0 0 30px rgba(var(--g1),.45)}
.skin-fab .dots{display:flex}
.skin-fab .dots i{width:10px;height:10px;border-radius:50%;margin-left:-3px;border:1px solid rgba(0,0,0,.4)}
.skin-fab b{font-weight:600;color:var(--cyan)}
.skin-panel{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(70px + env(safe-area-inset-bottom,0px));z-index:81;width:min(560px,calc(100vw - 36px));padding:16px;border:1px solid rgba(var(--g1),.35);border-radius:14px;background:rgba(var(--dk),.96);box-shadow:0 24px 60px rgba(0,0,0,.6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transform-origin:bottom right;animation:skinIn .22s ease}
@keyframes skinIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.skin-panel h4{margin:0 2px 12px;font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:500}
.skin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.skin-opt{position:relative;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:0;border:1px solid rgba(255,255,255,.1);border-radius:10px;overflow:hidden;background:#0b0b0d;cursor:pointer;text-align:left;transition:transform .18s,border-color .18s,box-shadow .18s}
.skin-opt:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.35)}
.skin-opt.on{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan),0 0 18px rgba(var(--g1),.4)}
.skin-sw{height:58px;position:relative}
.skin-sw span{position:absolute;left:10px;bottom:8px;font-size:18px;line-height:1;font-weight:700}
.skin-opt em{display:block;padding:8px 10px 9px;font-style:normal;font-family:system-ui,sans-serif;font-size:12px;font-weight:600;color:#f2f2f2;background:#111}
.skin-opt small{display:block;font-weight:400;font-size:10.5px;color:#9a9a9a;margin-top:2px}
.skin-opt em{flex:1}.skin-opt.on .skin-sw:after{content:"✓";position:absolute;right:8px;top:6px;width:20px;height:20px;display:grid;place-items:center;border-radius:50%;background:var(--cyan);color:var(--on);font-size:11px;font-weight:700}
.skin-panel{max-height:calc(100vh - 110px);overflow-y:auto;width:min(720px,calc(100vw - 36px))}
.skin-grid{grid-template-columns:repeat(5,1fr)}
.skin-sw{height:48px}
@media (max-width:760px){.skin-grid{grid-template-columns:repeat(3,1fr)}}

.skin-head{margin:0 2px 14px}
.skin-head h4{margin:0 0 4px!important}
.skin-head p{margin:0;font-size:13px;color:var(--muted);font-family:system-ui,sans-serif}
.skin-opt small{font-style:italic}
.skin-fab.invite{animation:fabInvite 2.4s ease-in-out infinite}
@keyframes fabInvite{0%,100%{box-shadow:0 10px 30px rgba(0,0,0,.45),0 0 0 0 rgba(var(--g1),.55)}50%{box-shadow:0 10px 30px rgba(0,0,0,.45),0 0 0 10px rgba(var(--g1),0)}}
.skin-fab .shuffle{margin-left:4px;padding-left:10px;border-left:1px solid rgba(var(--g1),.35);color:var(--muted)}
@media (prefers-reduced-motion:reduce){.skin-fab.invite{animation:none}}

/* ===== regime selector in header ===== */
.skin-fab{display:none!important}
.nav-right{display:flex;align-items:center;gap:8px}
.regime-btn{position:relative;display:flex;align-items:center;gap:10px;height:40px;padding:0 12px 0 10px;border:1px solid rgba(var(--g1),.6);border-radius:999px;background:linear-gradient(90deg,rgba(var(--g1),.16),rgba(var(--g1),.04));color:var(--text);cursor:pointer;overflow:hidden;transition:border-color .2s,box-shadow .2s,background .2s}
.regime-btn:hover,.regime-btn[aria-expanded="true"]{border-color:var(--cyan);box-shadow:0 0 22px rgba(var(--g1),.4);background:linear-gradient(90deg,rgba(var(--g1),.26),rgba(var(--g1),.08))}
.regime-btn:after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-18deg);animation:rgGlint 3.4s ease-in-out infinite;pointer-events:none}
@keyframes rgGlint{0%,55%{left:-60%}100%{left:140%}}
.regime-btn.invite{animation:fabInvite 2.2s ease-in-out infinite}
.rg-dots{display:flex}
.rg-dots i{width:11px;height:11px;border-radius:50%;margin-left:-4px;border:1.5px solid rgba(var(--dk),.9)}
.rg-dots i:nth-child(1){margin-left:0;background:var(--cyan)}.rg-dots i:nth-child(2){background:var(--violet)}.rg-dots i:nth-child(3){background:var(--orange)}
.regime-btn:hover .rg-dots{animation:rgSpin 1.2s linear infinite}
@keyframes rgSpin{50%{filter:hue-rotate(40deg)}}
.rg-txt{display:flex;flex-direction:column;align-items:flex-start;line-height:1.05;text-align:left}
.rg-txt small{font-family:var(--mono);font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.rg-txt b{font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:.04em;color:var(--cyan);white-space:nowrap}
.rg-caret{font-size:11px;color:var(--cyan);transition:transform .2s}
.regime-btn[aria-expanded="true"] .rg-caret{transform:rotate(180deg)}
.skin-panel{top:calc(80px + env(safe-area-inset-top,0px));bottom:auto!important;right:max(14px,calc((100vw - 1160px)/2));transform-origin:top right;max-height:calc(100vh - 100px)}
@media (max-width:1100px){.links{gap:14px}.links a{font-size:11px}}
@media (max-width:980px){.links{display:none}}
@media (max-width:520px){.navbtn{display:none}.rg-txt small{display:none}.regime-btn{height:38px}.logo{font-size:13px;letter-spacing:.1em}.skin-panel{right:12px;left:12px;width:auto}}
@media (prefers-reduced-motion:reduce){.regime-btn:after,.regime-btn.invite{animation:none}}
nav{gap:14px}
nav .logo,nav .links a,.navbtn{white-space:nowrap}
nav .links{gap:16px!important;flex:1;justify-content:center;min-width:0}
nav .links a{font-size:11px!important;letter-spacing:.12em!important}
@media (max-width:1240px){nav .links a[href="#workflow"],nav .links a[href="#stack"]{display:none}}
@media (max-width:1040px){nav .links{display:none!important}}
@media (max-width:520px){nav .logo{font-size:12px!important;letter-spacing:.08em!important}}

/* inviting scenario button */
.rg-ic{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:rgba(var(--g1),.18);color:var(--cyan)}
.rg-ic path{stroke-dasharray:40;stroke-dashoffset:40;animation:rgDraw 3.2s ease-in-out infinite}
@keyframes rgDraw{0%{stroke-dashoffset:40}45%,80%{stroke-dashoffset:0}100%{stroke-dashoffset:-40}}
.rg-txt small{min-width:112px;transition:opacity .25s}
.rg-txt small.swap{opacity:0}
.skin-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.rg-rand{flex:none;display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border:1px solid rgba(var(--g1),.55);border-radius:999px;background:rgba(var(--g1),.1);color:var(--text);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:.2s}
.rg-rand:hover{background:var(--cyan);color:var(--on);border-color:var(--cyan)}
.rg-rand span{display:inline-block;transition:transform .5s}
.rg-rand:hover span{transform:rotate(360deg)}
.skin-opt{animation:optIn .35s ease both}
.skin-panel:not([hidden]) .skin-opt:nth-child(n){animation-delay:calc(var(--i,0) * 28ms)}
@keyframes optIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (max-width:520px){.skin-head{flex-direction:column}.rg-txt small{display:none!important}}
@media (prefers-reduced-motion:reduce){.rg-ic path{animation:none;stroke-dashoffset:0}.skin-opt{animation:none}}
@media (max-width:520px){.skin-grid{grid-template-columns:repeat(2,1fr)}.skin-fab span.nm{display:none}}
@media (prefers-reduced-motion:reduce){.skin-panel{animation:none}}

/* ===== compact scenario menu ===== */
.skin-panel{width:min(380px,calc(100vw - 24px))!important;padding:12px!important;border-radius:12px!important}
.skin-head{margin:0 2px 8px!important;align-items:center!important;flex-direction:row!important}
.skin-head p{display:none}
.skin-head h4{margin:0!important}
.rg-rand{padding:5px 10px!important;font-size:10px!important}
.skin-grid{grid-template-columns:1fr 1fr!important;gap:2px 6px!important}
.skin-opt{flex-direction:row!important;align-items:center!important;gap:9px!important;padding:7px 8px!important;border:1px solid transparent!important;border-radius:7px!important;background:transparent!important;box-shadow:none!important;transform:none!important}
.skin-opt:hover{background:rgba(var(--g1),.1)!important;border-color:rgba(var(--g1),.25)!important}
.skin-opt.on{background:rgba(var(--g1),.16)!important;border-color:rgba(var(--g1),.55)!important;box-shadow:none!important}
.skin-sw{flex:none;width:16px!important;height:16px!important;border-radius:50%!important;box-shadow:0 0 0 1px rgba(255,255,255,.18)}
.skin-sw span{display:none}
.skin-opt.on .skin-sw:after{display:none!important}
.skin-opt em{padding:0!important;background:none!important;font-size:12.5px!important;font-weight:500!important;color:var(--text)!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.skin-opt small{display:none!important}
.skin-opt.on em{color:var(--cyan)!important;font-weight:600!important}
.skin-opt.on em:after{content:" ✓";float:none!important}
@media (max-width:520px){.skin-grid{grid-template-columns:1fr 1fr!important}.skin-panel{left:12px;right:12px;width:auto!important}}
.skin-opt.on em:after{content:none!important}
.skin-opt em{font-size:12px!important}

/* 3x5 translucent scenario menu */
.skin-panel{width:min(640px,calc(100vw - 24px))!important;padding:10px 10px 8px!important;background:rgba(var(--dk),.58)!important;backdrop-filter:blur(14px) saturate(1.3)!important;-webkit-backdrop-filter:blur(14px) saturate(1.3)!important;border-color:rgba(var(--g1),.28)!important;box-shadow:0 16px 40px rgba(0,0,0,.35)!important}
.skin-head{margin:0 2px 6px!important}
.skin-head h4{font-size:10px!important}
.skin-grid{grid-template-columns:repeat(5,minmax(0,1fr))!important;gap:2px 4px!important}
.skin-opt{gap:6px!important;padding:6px 6px!important}
.skin-sw{width:11px!important;height:11px!important}
.skin-opt em{font-size:11px!important}
@media (max-width:640px){.skin-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}}
.skin-panel{width:min(700px,calc(100vw - 24px))!important}
.skin-opt em{white-space:normal!important;overflow:visible!important;text-overflow:clip!important;line-height:1.15;font-family:system-ui,-apple-system,"Segoe UI",sans-serif!important;letter-spacing:0!important}

/* glass menu */
.skin-panel{background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.03))!important;backdrop-filter:blur(10px) saturate(1.4)!important;-webkit-backdrop-filter:blur(10px) saturate(1.4)!important;border:1px solid rgba(255,255,255,.22)!important;box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 12px 32px rgba(0,0,0,.25)!important}
.skin-opt em{text-shadow:0 1px 2px rgba(0,0,0,.45)}
.skin-opt:hover{background:rgba(255,255,255,.12)!important}
.skin-opt.on{background:rgba(var(--g1),.22)!important}
.skin-panel.closing{animation:skinOut .26s ease forwards}
@keyframes skinOut{to{opacity:0;transform:translateY(-6px) scale(.97)}}
.skin-panel{width:min(460px,calc(100vw - 24px))!important}
.skin-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}
.skin-opt em{font-size:12px!important}

html[data-skin="ide"] .label:not(.dim):before,html[data-skin="latex"] .label:not(.dim):before{content:none}
html[data-skin="ide"] .hero .label:before{content:"# "!important}
html[data-skin="ide"] .hero{background:transparent!important}
html[data-skin="ide"] .regime-btn{border-radius:3px;background:#3c3f41;border-color:#515658}
html[data-skin="ide"] .regime-btn:after{display:none}
html[data-skin="latex"] .hero{background:transparent!important}
html[data-skin="latex"] .regime-btn{border-radius:0;background:transparent;border:.8px solid #141414;box-shadow:none!important;animation:none}
html[data-skin="latex"] .regime-btn:after{display:none}
html[data-skin="latex"] .rg-ic{border-radius:0;background:transparent;color:#141414}
html[data-skin="latex"] .rg-txt b{font-family:var(--serif);color:#141414;font-size:14px;font-weight:700}
html[data-skin="latex"] .rg-txt small{font-family:var(--serif);font-variant:small-caps;text-transform:lowercase;letter-spacing:.05em;color:#4a4a4a}
html[data-skin="latex"] .k-link,html[data-skin="latex"] .ch,html[data-skin="latex"] .skin-panel{border-radius:0!important}
html[data-skin="latex"] .k-link{background:transparent!important;border-color:#1a1a1a!important}
html[data-skin="bbg"] #rain{z-index:55}
html[data-skin="bbg"] .loop-caption .label{background:transparent;color:#4da6ff!important;padding:0}

/* ===== terminal palette correction (bbg) ===== */
html[data-skin="bbg"]{--g1:251,139,30;--g2:0,104,255;--hi:#ffffff;--accdk:#c56a10;--text:#ffffff;--body:#e6e6e6;--muted:#fb8b1e;--dim:#9a9a9a;--cyan:#fb8b1e;--violet:#0068ff;--blue:#0068ff;--orange:#fb8b1e;--gold:#fb8b1e;--line:#333333;--panel:#000;--surface:#0d0d0d;--surface2:#1a1a1a}
html[data-skin="bbg"] body{color:#e6e6e6}
html[data-skin="bbg"] nav{border-bottom:1px solid #fb8b1e!important}
html[data-skin="bbg"] .logo{background:#fb8b1e;color:#000}
html[data-skin="bbg"] .links a{color:#fb8b1e!important}
html[data-skin="bbg"] .links a:hover{background:#0068ff;color:#fff!important}
html[data-skin="bbg"] .hero .label{background:#1a1a1a;color:#fb8b1e!important;border-left:3px solid #fb8b1e}
html[data-skin="bbg"] .hero h1{color:#fff}
html[data-skin="bbg"] .hero h1 .hl,html[data-skin="bbg"] .gradient,html[data-skin="bbg"] .section h2 .gradient{color:#fb8b1e}
html[data-skin="bbg"] .lede,html[data-skin="bbg"] .intro,html[data-skin="bbg"] .contact p.body{color:#d9d9d9}
html[data-skin="bbg"] .kicker{background:transparent;color:#fb8b1e!important;padding:0;border-bottom:1px solid #fb8b1e}
html[data-skin="bbg"] .section h2:after,html[data-skin="bbg"] .contact h2:after{background:linear-gradient(90deg,#fb8b1e 0 30%,#333 30%);height:1px}
html[data-skin="bbg"] .label{color:#fb8b1e}
html[data-skin="bbg"] .label.dim{color:#fb8b1e!important;opacity:.85}
html[data-skin="bbg"] p,html[data-skin="bbg"] li,html[data-skin="bbg"] dd,html[data-skin="bbg"] .p-main,html[data-skin="bbg"] .fl-step,html[data-skin="bbg"] .bd-cell p,html[data-skin="bbg"] .detail-grid p,html[data-skin="bbg"] .case-grid p{color:#e6e6e6}
html[data-skin="bbg"] .run-sub,html[data-skin="bbg"] .k-school,html[data-skin="bbg"] .loop-caption p,html[data-skin="bbg"] .p-body ul,html[data-skin="bbg"] .stage small{color:#a6a6a6}
html[data-skin="bbg"] .run-head,html[data-skin="bbg"] .tree-head,html[data-skin="bbg"] .syshead{background:#1a1a1a!important;color:#fb8b1e!important;border-bottom:1px solid #333}
html[data-skin="bbg"] .run-cmd,html[data-skin="bbg"] .run-cmd .ps{color:#fff!important}
html[data-skin="bbg"] #cPath,html[data-skin="bbg"] .tree-root{color:#fb8b1e!important}
html[data-skin="bbg"] .navbtn,html[data-skin="bbg"] .btn,html[data-skin="bbg"] .pc-toggle,html[data-skin="bbg"] .tab,html[data-skin="bbg"] .rec,html[data-skin="bbg"] .ch-btn,html[data-skin="bbg"] .rail button{background:#1a1a1a!important;border:1px solid #333!important;color:#fb8b1e!important}
html[data-skin="bbg"] .btn:after,html[data-skin="bbg"] .pc-toggle:after{content:" <GO>";color:#4af6c3}
html[data-skin="bbg"] .btn:hover,html[data-skin="bbg"] .navbtn:hover,html[data-skin="bbg"] .pc-toggle:hover,html[data-skin="bbg"] .ch-btn:hover,html[data-skin="bbg"] .tab:hover{background:#0068ff!important;color:#fff!important;border-color:#0068ff!important}
html[data-skin="bbg"] .tab.active,html[data-skin="bbg"] .rail button.active,html[data-skin="bbg"] .rec.active,html[data-skin="bbg"] .proof-card.open .pc-toggle,html[data-skin="bbg"] .t-node.active .t-run,html[data-skin="bbg"] .run-status.ok,html[data-skin="bbg"] .p-step.done .p-dot,html[data-skin="bbg"] .fl.active .fl-dot,html[data-skin="bbg"] .bd-code,html[data-skin="bbg"] .bh{background:#fb8b1e!important;color:#000!important;border-color:#fb8b1e!important}
html[data-skin="bbg"] .t-node.active,html[data-skin="bbg"] .stage.active{background:#0a1f44!important;border-color:#0068ff!important}
html[data-skin="bbg"] .tags span{background:#000!important;border-color:#333!important;color:#fb8b1e!important}
html[data-skin="bbg"] .tags span:nth-child(2n){color:#fff!important}
html[data-skin="bbg"] .years span,html[data-skin="bbg"] .stat strong{color:#fff}
html[data-skin="bbg"] .p-label,html[data-skin="bbg"] .fl-mine span,html[data-skin="bbg"] .bd-mine span{color:#fb8b1e!important}
html[data-skin="bbg"] .stages:before,html[data-skin="bbg"] .pipe:before,html[data-skin="bbg"] .flowlist:before{background:#333}
html[data-skin="bbg"] .stages:after{background:#4af6c3!important}
html[data-skin="bbg"] .b-beam{border-color:#0068ff;background:rgba(0,104,255,.10)}
html[data-skin="bbg"] .run-status.busy{color:#fb8b1e;border-color:#fb8b1e}
html[data-skin="bbg"] .hub-meta span{color:#fff}
html[data-skin="bbg"] .hub-meta em i{background:#4af6c3;box-shadow:0 0 8px #4af6c3}
html[data-skin="bbg"] .hub-core{box-shadow:0 0 0 2px #fb8b1e!important;--ph-f:grayscale(1) contrast(1.1)}
html[data-skin="bbg"] .sb-flow{stroke:#fb8b1e}
html[data-skin="bbg"] .sb-pk{fill:#fff}
html[data-skin="bbg"] .regime-btn{border-color:#fb8b1e;background:#1a1a1a}
html[data-skin="bbg"] .rg-ic{background:#fb8b1e;color:#000}
html[data-skin="bbg"] .rg-txt b{color:#fff}
html[data-skin="bbg"] .rg-txt small{color:#fb8b1e}
html[data-skin="bbg"] .career-tabs .tab:after{background:linear-gradient(100deg,transparent,rgba(251,139,30,.28),transparent)}
html[data-skin="bbg"] ::selection{background:#0068ff;color:#fff}
html[data-skin="bbg"] .hero .loop-caption .label{background:transparent!important;border-left:0!important;padding:0!important;color:#fb8b1e!important}
html[data-skin="bbg"] .hero .syshead span{background:transparent}

/* ===== view bar across the header ===== */
.regime-btn{display:none!important}
.viewbar{position:fixed;z-index:49;top:calc(78px + env(safe-area-inset-top,0px));left:50%;transform:translateX(-50%);width:min(1160px,calc(100% - 28px));display:flex;align-items:center;gap:10px;padding:5px 6px 5px 14px;border:1px solid rgba(255,255,255,.14);border-radius:999px;background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.02));backdrop-filter:blur(12px) saturate(1.3);-webkit-backdrop-filter:blur(12px) saturate(1.3);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 8px 24px rgba(0,0,0,.25);animation:vbIn .6s ease both}
@keyframes vbIn{from{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%,0)}}
.vb-label{flex:none;display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.vb-label svg{color:var(--cyan)}
.vb-label svg path{stroke-dasharray:40;stroke-dashoffset:40;animation:rgDraw 3.2s ease-in-out infinite}
.vb-track{position:relative;flex:1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2px}
.vb-ind{position:absolute;top:0;bottom:0;left:0;width:0;border-radius:999px;background:rgba(var(--g1),.22);box-shadow:inset 0 0 0 1px rgba(var(--g1),.7),0 0 18px rgba(var(--g1),.35);transition:left .45s cubic-bezier(.3,1.3,.5,1),width .45s cubic-bezier(.3,1.3,.5,1);pointer-events:none}
.vw-opt{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;gap:8px;min-width:0;padding:7px 10px;border:0;border-radius:999px;background:transparent;color:var(--text);font-family:var(--mono);font-size:12px;letter-spacing:.04em;cursor:pointer;white-space:nowrap;transition:color .2s,background .2s,transform .15s}
.vw-opt span{overflow:hidden;text-overflow:ellipsis}
.vw-opt i{flex:none;width:12px;height:12px;border-radius:50%;box-shadow:0 0 0 1px rgba(255,255,255,.35);transition:transform .3s}
.vw-opt:hover{background:rgba(255,255,255,.07)}
.vw-opt:hover i{transform:scale(1.35) rotate(90deg)}
.vw-opt:active{transform:scale(.96)}
.vw-opt.on{color:var(--cyan);font-weight:600}
.vw-opt.on i{box-shadow:0 0 0 2px var(--cyan),0 0 10px rgba(var(--g1),.7)}
.viewbar.nudge .vw-opt:not(.on) i{animation:vbPing 2.6s ease-in-out infinite}
.viewbar.nudge .vw-opt:nth-child(3) i{animation-delay:.2s}.viewbar.nudge .vw-opt:nth-child(4) i{animation-delay:.4s}.viewbar.nudge .vw-opt:nth-child(5) i{animation-delay:.6s}.viewbar.nudge .vw-opt:nth-child(6) i{animation-delay:.8s}.viewbar.nudge .vw-opt:nth-child(7) i{animation-delay:1s}
@keyframes vbPing{0%,70%,100%{transform:scale(1)}80%{transform:scale(1.45)}}
.vb-rand{flex:none;width:32px;height:32px;border-radius:50%;border:1px solid rgba(var(--g1),.45);background:transparent;color:var(--cyan);font-size:15px;cursor:pointer;transition:transform .5s,background .2s}
.vb-rand:hover{transform:rotate(360deg);background:rgba(var(--g1),.15)}
.hero{padding-top:170px}
html[data-skin="latex"] .viewbar{background:rgba(252,251,247,.85);border-color:rgba(0,0,0,.25);border-radius:0;box-shadow:none}
html[data-skin="latex"] .vb-ind{border-radius:0;background:rgba(0,0,0,.06);box-shadow:inset 0 0 0 1px #141414}
html[data-skin="latex"] .vw-opt{border-radius:0;font-family:var(--serif);font-size:14px;color:#141414}
html[data-skin="latex"] .vw-opt.on{color:#141414}
html[data-skin="latex"] .vw-opt.on i{box-shadow:0 0 0 2px #141414}
html[data-skin="bbg"] .viewbar,html[data-skin="ide"] .viewbar{border-radius:0}
html[data-skin="bbg"] .vb-ind,html[data-skin="ide"] .vb-ind,html[data-skin="bbg"] .vw-opt,html[data-skin="ide"] .vw-opt{border-radius:0}
html[data-skin="bbg"] .viewbar{background:#000;border-color:#333}
html[data-skin="bbg"] .vw-opt{color:#fb8b1e}html[data-skin="bbg"] .vw-opt.on{color:#000}
html[data-skin="bbg"] .vb-ind{background:#fb8b1e;box-shadow:none}
@media (max-width:980px){.vb-label{display:none}}
@media (max-width:760px){
  .viewbar{top:calc(76px + env(safe-area-inset-top,0px));width:calc(100% - 20px);padding:4px;border-radius:14px}
  .vb-track{display:flex;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x mandatory}
  .vb-track::-webkit-scrollbar{display:none}
  .vw-opt{flex:none;scroll-snap-align:center;padding:7px 12px}
  .vb-ind{display:none}
  .vw-opt.on{background:rgba(var(--g1),.22);box-shadow:inset 0 0 0 1px rgba(var(--g1),.7)}
  .hero{padding-top:150px}
}
@media (prefers-reduced-motion:reduce){.viewbar,.vb-label svg path,.viewbar.nudge .vw-opt i{animation:none}.vb-ind{transition:none}}

/* Peer Review: tighter, cleaner layout */
html[data-skin="latex"] .hero{padding-bottom:40px}
html[data-skin="latex"] .hero .system{text-align:left;margin-top:44px}
html[data-skin="latex"] .hero .wrap>.label:first-child{max-width:820px;margin-inline:auto}
html[data-skin="latex"] .section{padding-block:56px}
html[data-skin="latex"] .contact{padding-block:56px 70px}
html[data-skin="latex"] .section h2{margin:6px 0 12px}
html[data-skin="latex"] .intro{font-size:17px;max-width:760px}
html[data-skin="latex"] .loop{padding-top:16px;gap:20px}
html[data-skin="latex"] .loop-caption{grid-template-columns:130px 1fr}
html[data-skin="latex"] .loop-caption b{font-family:var(--serif);font-size:17px;font-weight:700;text-align:left}
html[data-skin="latex"] .loop-caption p{font-size:15.5px}
html[data-skin="latex"] .loop-caption .label{font-size:13px!important}
html[data-skin="latex"] .detail{text-align:left;padding:20px 0}
html[data-skin="latex"] .detail h3{font-size:22px;font-weight:700}
html[data-skin="latex"] .detail-grid p{font-size:15.5px}
html[data-skin="latex"] .mark{font-size:36px;color:#ccc}
html[data-skin="latex"] .stage{min-height:56px;padding-block:9px}
html[data-skin="latex"] .stage small{font-size:14px}
html[data-skin="latex"] .live{border-radius:0}
html[data-skin="latex"] .proof-top,html[data-skin="latex"] .proof-grid{margin-top:22px}
html[data-skin="latex"] .proof-card{padding:20px 4px}
html[data-skin="latex"] .explorer,html[data-skin="latex"] .knowledge,html[data-skin="latex"] .bd-box{margin-top:22px}
html[data-skin="latex"] .run-body{padding:18px 4px}
html[data-skin="latex"] .p-step{padding-bottom:14px}
html[data-skin="latex"] .p-body ul{font-size:14.5px}
html[data-skin="latex"] .career{padding:20px 4px}
html[data-skin="latex"] .k-detail{padding:20px 4px}
html[data-skin="latex"] .k-cols{margin-bottom:16px}
html[data-skin="latex"] .stats,html[data-skin="latex"] .k-sum,html[data-skin="latex"] .toolkit{margin-top:14px}
html[data-skin="latex"] .board2{padding:24px 4px;margin-top:26px}
html[data-skin="latex"] .contact p.body{font-size:17px;text-align:justify}
html[data-skin="latex"] .contact-lead{font-size:22px}
html[data-skin="latex"] .b-node{box-shadow:none!important}
html[data-skin="latex"] .b-node.on,html[data-skin="latex"] .b-node:hover{box-shadow:none!important;transform:scale(1.2)}
html[data-skin="latex"] .board:before,html[data-skin="latex"] .board2:before{display:none}
.hub-meta em span{font-size:inherit!important;color:inherit!important;font-family:inherit!important}

/* ===== view bar: more prominent ===== */
.viewbar{top:calc(80px + env(safe-area-inset-top,0px));padding:6px 6px 6px 6px;gap:10px;isolation:isolate;border:0;background:rgba(var(--dk),.55)}
.viewbar:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;background:conic-gradient(from var(--vbang,0deg),rgba(var(--g1),.15),rgba(var(--g1),1),rgba(var(--g2),.9),rgba(var(--g1),.15) 40%,rgba(var(--g1),.15));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:vbSpin 4s linear infinite;z-index:-1;pointer-events:none}
@property --vbang{syntax:"<angle>";inherits:false;initial-value:0deg}
@keyframes vbSpin{to{--vbang:360deg}}
.vb-label{padding:9px 14px;border-radius:999px;background:var(--cyan);color:var(--on);font-weight:700;font-size:11.5px;letter-spacing:.14em;box-shadow:0 0 18px rgba(var(--g1),.45);animation:vbGlow 2.4s ease-in-out infinite}
.vb-label svg{color:var(--on)}
.vb-arrow{display:inline-block;margin-left:2px;animation:vbNudge 1.2s ease-in-out infinite}
@keyframes vbNudge{50%{transform:translateX(4px)}}
@keyframes vbGlow{50%{box-shadow:0 0 30px rgba(var(--g1),.75)}}
.vw-opt{padding:10px 12px;font-size:13px}
.vw-opt i{width:14px;height:14px}
.vb-ind{background:var(--cyan);box-shadow:0 0 20px rgba(var(--g1),.55)}
.vw-opt.on{color:var(--on)!important;font-weight:700}
.vw-opt.on i{box-shadow:0 0 0 2px var(--on)}
.vb-rand{width:38px;height:38px;font-size:17px}
.hero{padding-top:184px}
html[data-skin="latex"] .viewbar:before{background:conic-gradient(from var(--vbang,0deg),#bbb,#141414,#bbb 40%,#bbb)}
html[data-skin="latex"] .vb-label{border-radius:0;background:#141414;color:#fcfbf7;box-shadow:none;animation:none;font-family:var(--serif)}
html[data-skin="latex"] .vb-label svg{color:#fcfbf7}
html[data-skin="latex"] .vb-ind{background:#141414;box-shadow:none}
html[data-skin="latex"] .vw-opt.on{color:#fcfbf7!important}
html[data-skin="latex"] .vw-opt.on i{box-shadow:0 0 0 2px #fcfbf7}
html[data-skin="bbg"] .vb-label,html[data-skin="ide"] .vb-label{border-radius:0}
html[data-skin="bbg"] .vb-label{background:#fb8b1e;color:#000}
html[data-skin="ide"] .vb-label{background:#cc7832;color:#2b2b2b}
html[data-skin="ide"] .vb-ind{background:#4b6eaf;box-shadow:none}html[data-skin="ide"] .vw-opt.on{color:#fff!important}
@media (max-width:980px){.vb-label{display:flex}.vb-l1{display:none}.vb-arrow{display:none}.vb-label{padding:9px 11px}}
@media (max-width:760px){.viewbar{top:calc(76px + env(safe-area-inset-top,0px))}.vb-label{display:none}.vw-opt.on{background:var(--cyan)!important;box-shadow:none}.hero{padding-top:156px}}
@media (prefers-reduced-motion:reduce){.viewbar:before,.vb-label,.vb-arrow{animation:none}}
html[data-skin="latex"] .knowledge{align-items:start}
html[data-skin="latex"] .k-link{margin-top:16px!important}
html[data-skin="latex"] .stat strong,html[data-skin="latex"] .years span{text-shadow:none!important;color:#141414}
html[data-skin="latex"] .vb-label svg{display:none}

/* ===== view bar: blended, only the label shines ===== */
.viewbar:before{display:none!important}
.viewbar{border:1px solid rgba(var(--g1),.18)!important}
.vb-ind{background:rgba(var(--g1),.18)!important;box-shadow:inset 0 0 0 1px rgba(var(--g1),.6)!important}
.vw-opt.on{color:var(--cyan)!important;font-weight:600}
.vw-opt.on i{box-shadow:0 0 0 2px var(--cyan)!important}
.vb-label{position:relative;overflow:hidden;isolation:isolate}
.vb-label:after{content:"";position:absolute;top:-20%;bottom:-20%;left:-60%;width:45%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.85),transparent);transform:skewX(-20deg);animation:lblShine 2.8s ease-in-out infinite;z-index:1;pointer-events:none}
@keyframes lblShine{0%,40%{left:-60%}100%{left:140%}}
.vb-label>*{position:relative;z-index:2}
.vb-label svg path{stroke-dashoffset:0!important;animation:none!important}
html[data-skin="latex"] .vb-ind{background:rgba(0,0,0,.06)!important;box-shadow:inset 0 0 0 1px #141414!important}
html[data-skin="latex"] .vw-opt.on{color:#141414!important}
html[data-skin="latex"] .vw-opt.on i{box-shadow:0 0 0 2px #141414!important}
html[data-skin="latex"] .vb-label:after{background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent)}
html[data-skin="bbg"] .vb-ind{background:rgba(251,139,30,.16)!important;box-shadow:inset 0 0 0 1px #fb8b1e!important}
html[data-skin="bbg"] .vw-opt.on{color:#fb8b1e!important}
html[data-skin="ide"] .vb-ind{background:rgba(75,110,175,.25)!important;box-shadow:inset 0 0 0 1px #4b6eaf!important}
html[data-skin="ide"] .vw-opt.on{color:#fff!important}
@media (max-width:760px){.vw-opt.on{background:rgba(var(--g1),.18)!important;box-shadow:inset 0 0 0 1px rgba(var(--g1),.6)!important}}
@media (prefers-reduced-motion:reduce){.vb-label:after{animation:none;display:none}}
@media (max-width:1180px) and (min-width:761px){.vw-opt{padding:9px 6px!important;gap:6px!important;font-size:12px!important}.vw-opt span{white-space:normal;text-align:left;line-height:1.1}}

/* ===== Monochrome: ink-style click cues ===== */
@keyframes inkPulse{0%,100%{box-shadow:0 0 0 0 rgba(20,20,20,.28)}60%{box-shadow:0 0 0 6px rgba(20,20,20,0)}}
@keyframes inkSweep{0%,55%{left:-60%}100%{left:140%}}
@keyframes inkNudge{0%,100%{transform:translate(0,-50%)}50%{transform:translate(4px,-50%)}}
@keyframes inkDash{to{stroke-dashoffset:-40}}
@keyframes inkBlink{50%{opacity:.25}}
/* buttons: pulse ring + graphite sweep + arrow */
html[data-skin="latex"] .pc-toggle,html[data-skin="latex"] .tab:not(.active),html[data-skin="latex"] .ch-btn,html[data-skin="latex"] .btn{position:relative;overflow:hidden;animation:inkPulse 2.4s ease-out infinite!important}
html[data-skin="latex"] .tab:not(.active):nth-child(2){animation-delay:.3s!important}html[data-skin="latex"] .tab:not(.active):nth-child(3){animation-delay:.6s!important}html[data-skin="latex"] .tab:not(.active):nth-child(4){animation-delay:.9s!important}html[data-skin="latex"] .tab:not(.active):nth-child(5){animation-delay:1.2s!important}
html[data-skin="latex"] .pc-toggle:after,html[data-skin="latex"] .tab:not(.active):after,html[data-skin="latex"] .btn:not(.primary):before{content:""!important;display:block!important;position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(100deg,transparent,rgba(20,20,20,.12),transparent)!important;transform:skewX(-18deg);animation:inkSweep 3.2s ease-in-out infinite;pointer-events:none}
html[data-skin="latex"] .btn:after{content:" →"!important;display:inline!important}
html[data-skin="latex"] .proof-card.open .pc-toggle,html[data-skin="latex"] .tab.active{animation:none!important}
html[data-skin="latex"] .proof-card.open .pc-toggle:after{display:none!important}
html[data-skin="latex"] .pc-toggle:hover,html[data-skin="latex"] .tab:hover,html[data-skin="latex"] .btn:hover,html[data-skin="latex"] .ch-btn:hover{transform:translateY(-2px);box-shadow:3px 3px 0 #141414!important}
/* tabs: play marker */
html[data-skin="latex"] .tab:before{content:"▸"!important;display:inline-block!important;position:static!important;transform:none!important;margin-right:6px;font-size:10px;color:#141414}
html[data-skin="latex"] .tab.active:before{content:"▾"!important;color:#fcfbf7}
/* project tree run buttons */
html[data-skin="latex"] .t-run{animation:inkPulse 2.4s ease-out infinite!important;border-color:#141414!important;color:#141414!important;background:#fcfbf7!important}
html[data-skin="latex"] .t-node:hover{background:#efeee8!important}
html[data-skin="latex"] .t-node:hover .t-run{background:#141414!important;color:#fcfbf7!important}
html[data-skin="latex"] .t-node.active .t-run{animation:none!important}
html[data-skin="latex"] .t-node.seen:not(.active) .t-run{animation:none!important}
/* investment process stages */
html[data-skin="latex"] .stage:not(.active){animation:inkPulse 3s ease-out infinite}
html[data-skin="latex"] .stage:not(.active):nth-child(2n){animation-delay:.8s}
html[data-skin="latex"] .stage:hover{transform:translateX(5px);box-shadow:3px 3px 0 #141414!important}
html[data-skin="latex"] .stage .num:after{content:" ›";color:#141414}
html[data-skin="latex"] .stages:after{display:block!important;background:#141414!important;width:8px!important;height:8px!important;border-radius:50%!important;left:25px!important;box-shadow:none!important}
html[data-skin="latex"] .live i{animation:inkBlink 1s steps(1) infinite!important;background:#141414!important;box-shadow:none!important}
/* education list */
html[data-skin="latex"] .k-card{position:relative}
html[data-skin="latex"] .k-card:before{color:#141414!important;animation:inkNudge 1.3s ease-in-out infinite!important}
html[data-skin="latex"] .k-card:not(.active){animation:inkPulse 3s ease-out infinite}
html[data-skin="latex"] .k-card:hover{box-shadow:3px 3px 0 #141414!important;transform:translateX(4px)}
html[data-skin="latex"] .k-card.active{box-shadow:inset 3px 0 0 #141414!important}
/* data board */
html[data-skin="latex"] .b-pk{display:block!important;height:2px!important;width:22px!important;background:linear-gradient(90deg,transparent,#141414)!important;box-shadow:none!important}
html[data-skin="latex"] .b-node{animation:inkPulse 2.6s ease-out infinite}
html[data-skin="latex"] .b-node:hover,html[data-skin="latex"] .b-node.on{background:#141414!important;animation:none}
html[data-skin="latex"] .b-col:hover b{text-decoration:underline;text-underline-offset:4px}
html[data-skin="latex"] .board.paused .bh{background:#141414!important;color:#fcfbf7!important}
html[data-skin="latex"] .bd-step{animation:inkPulse 2.4s ease-out infinite}
/* connect lines + card hovers */
html[data-skin="latex"] .sb-flow{animation:inkDash 2s linear infinite!important;stroke-dasharray:4 6!important;opacity:.8!important}
html[data-skin="latex"] .sb-pk{display:block!important;fill:#141414!important;filter:none!important}
html[data-skin="latex"] .hub-ring{display:none!important}
html[data-skin="latex"] .hub-core{animation:inkPulseFrame 2.6s ease-out infinite}
@keyframes inkPulseFrame{0%,100%{box-shadow:0 0 0 .8px #141414,0 0 0 0 rgba(20,20,20,.3)}60%{box-shadow:0 0 0 .8px #141414,0 0 0 9px rgba(20,20,20,0)}}
@keyframes inkRing{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.45);opacity:0}}
html[data-skin="latex"] .ch:hover{transform:translateX(6px);box-shadow:3px 3px 0 #141414!important}
@media (prefers-reduced-motion:reduce){html[data-skin="latex"] *{animation:none!important}}

/* ============================================================
   MULTI-PAGE SITE — shared additions (token-driven, all views)
   ============================================================ */
.first{padding-top:184px!important}
@media (max-width:760px){.first{padding-top:150px!important}}
.hero.home{padding-bottom:70px}
.btn .arr{display:inline-block;transition:transform .2s}
.btn:hover .arr{transform:translateX(3px)}
html[data-skin="latex"] .btn .arr,html[data-skin="bbg"] .btn .arr{display:none}

/* nav: page links, active state, mobile menu */
nav .links a{position:relative}
nav .links a.on{color:var(--cyan)!important}
nav .links a.on:after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:2px;border-radius:2px;background:var(--cyan)}
html[data-skin="bbg"] nav .links a.on{background:#fb8b1e;color:#000!important;padding:2px 4px}
html[data-skin="bbg"] nav .links a.on:after{display:none}
html[data-skin="latex"] nav .links a.on{color:#141414!important;font-weight:700}
html[data-skin="latex"] nav .links a.on:after{height:.8px;background:#141414;bottom:-3px}
.menu-btn{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--idle2);background:var(--panel);color:var(--text);cursor:pointer;align-items:center;justify-content:center;padding:0}
.menu-btn svg{display:block}
@media (max-width:1040px){
  .menu-btn{display:inline-flex}
  nav.open .links{display:flex!important;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0!important;background:rgba(var(--dk),.97);border:1px solid var(--line);border-radius:18px;padding:8px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 18px 40px rgba(0,0,0,.35)}
  nav.open .links a{padding:13px 14px;font-size:13px!important;display:block!important}
  nav.open .links a.on:after{display:none}
  html[data-skin="latex"] nav.open .links{border-radius:0;box-shadow:none;border:.8px solid #141414}
  html[data-skin="bbg"] nav.open .links,html[data-skin="ide"] nav.open .links{border-radius:0}
}
.nav-right{display:flex;align-items:center;gap:8px}

/* ---------- Home: end-to-end system panel ---------- */
.e2e{margin-top:52px;border:1px solid var(--line);border-radius:var(--r-lg);background:rgba(var(--dk),.72);padding:22px 24px 18px;text-align:left;position:relative;overflow:hidden}
.e2e-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.e2e-flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:12px;position:relative}
.e2e-flow:before{content:"";position:absolute;left:10%;right:10%;top:23px;height:2px;background:var(--line)}
.e2e-flow:after{content:"";position:absolute;top:22px;left:10%;width:70px;height:4px;border-radius:4px;background:linear-gradient(90deg,transparent,var(--cyan));animation:e2eRun 5s linear infinite}
@keyframes e2eRun{from{left:10%}to{left:calc(90% - 70px)}}
.e2e-flow li a{display:flex;flex-direction:column;align-items:center;text-align:center;gap:9px;padding:0 4px 4px;color:var(--text);border-radius:var(--r-md)}
.e2e-flow em{font-style:normal;font-family:var(--mono);font-size:12px;font-weight:600;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--idle2);background:var(--panel);color:var(--cyan);position:relative;z-index:1;transition:background .2s,color .2s,border-color .2s,transform .2s}
.e2e-flow em:after{content:"";position:absolute;inset:-1px;border-radius:inherit;border:1px solid var(--cyan);opacity:0;animation:e2ePing 5s ease-out infinite}
.e2e-flow li:nth-child(2) em:after{animation-delay:1s}.e2e-flow li:nth-child(3) em:after{animation-delay:2s}.e2e-flow li:nth-child(4) em:after{animation-delay:3s}.e2e-flow li:nth-child(5) em:after{animation-delay:4s}
@keyframes e2ePing{0%{opacity:.9;transform:scale(1)}18%{opacity:0;transform:scale(1.7)}100%{opacity:0;transform:scale(1.7)}}
.e2e-flow b{font-family:var(--display);font-size:14.5px;font-weight:600;line-height:1.25}
.e2e-flow small{color:var(--muted);font-size:12px;line-height:1.45;max-width:180px}
.e2e-flow a:hover em{background:var(--cyan);color:var(--on);border-color:var(--cyan);transform:scale(1.06)}
.e2e-flow a:hover b{color:var(--cyan)}
.e2e-foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:22px;padding-top:14px;border-top:1px dashed var(--line)}
@media (max-width:760px){
  .e2e{padding:18px 16px}
  .e2e-flow{grid-template-columns:1fr;gap:14px}
  .e2e-flow:before{left:23px;right:auto;top:24px;bottom:24px;width:2px;height:auto}
  .e2e-flow:after{display:none}
  .e2e-flow li a{flex-direction:row;align-items:center;text-align:left;gap:14px}
  .e2e-flow li a>span{display:flex;flex-direction:column;gap:2px}
  .e2e-flow em{flex:none}
  .e2e-flow small{max-width:none}
}
.e2e-flow li a>span{display:contents}
@media (max-width:760px){.e2e-flow li a>span{display:flex}}

/* ---------- Stat strip ---------- */
.stats4{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--panel);overflow:hidden}
.stats4>div{padding:26px 22px;border-left:1px solid var(--line);position:relative}
.stats4>div:first-child{border-left:0}
.stats4 strong{display:block;font-family:var(--display);font-weight:500;font-size:clamp(36px,4.2vw,54px);line-height:1;color:var(--cyan);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stats4 span{display:block;margin-top:12px;font-family:var(--mono);font-size:11.5px;line-height:1.5;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.section.tight{padding-block:0 70px;border-top:0}
@media (max-width:760px){.stats4{grid-template-columns:1fr 1fr}.stats4>div:nth-child(3){border-left:0}.stats4>div:nth-child(n+3){border-top:1px solid var(--line)}}

/* ---------- Expertise cards ---------- */
.xcards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}
.xcard{position:relative;display:flex;flex-direction:column;gap:10px;padding:26px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);transition:transform .25s,border-color .25s,box-shadow .25s;overflow:hidden;color:var(--text)}
.xcard:before{content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--cyan);transition:width .45s}
.xcard:hover{transform:translateY(-3px);border-color:var(--cyan);box-shadow:0 12px 30px rgba(var(--g1),.14)}
.xcard:hover:before{width:100%}
.xcard h3{font-size:21px;line-height:1.2;letter-spacing:-.02em}
.xcard p{color:var(--body);font-size:14px;line-height:1.6}
.go{margin-top:auto;padding-top:8px;font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);display:inline-flex;gap:8px;align-items:center}
.go i{font-style:normal;display:inline-block;transition:transform .2s}
a:hover .go i,.xcard:hover .go i{transform:translateX(4px)}
@media (max-width:900px){.xcards{grid-template-columns:1fr}}

/* ---------- Journey teaser ---------- */
.jsteps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:40px;position:relative;border-top:2px solid var(--line)}
.jsteps>div{padding:24px 22px 0 0;position:relative}
.jsteps>div:before{content:"";position:absolute;top:-8px;left:0;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--cyan)}
.jsteps>div:last-child:before{background:var(--cyan);box-shadow:0 0 0 0 rgba(var(--g1),.5);animation:jsPulse 2.4s ease-out infinite}
@keyframes jsPulse{0%{box-shadow:0 0 0 0 rgba(var(--g1),.5)}70%{box-shadow:0 0 0 12px rgba(var(--g1),0)}100%{box-shadow:0 0 0 0 rgba(var(--g1),0)}}
.jsteps b{display:block;font-family:var(--display);font-size:18px;font-weight:600;margin:8px 0 8px;line-height:1.25}
.jsteps p{color:var(--body);font-size:13.5px;line-height:1.6}
@media (max-width:760px){.jsteps{grid-template-columns:1fr;border-top:0;border-left:2px solid var(--line);margin-left:6px}.jsteps>div{padding:0 0 26px 24px}.jsteps>div:before{top:4px;left:-8px}}
.quote{margin:44px 0 0;padding:28px 32px;border-left:3px solid var(--cyan);background:var(--panel);border-radius:0 var(--r-md) var(--r-md) 0}
.quote p{font-family:var(--display);font-size:clamp(20px,2.4vw,28px);line-height:1.35;color:var(--text);letter-spacing:-.01em}
.quote cite{display:block;margin-top:14px;font-style:normal;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}
.row-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}

/* ---------- Next page band ---------- */
.nextpage{padding:36px var(--gutter) 56px;border-top:1px solid var(--line);background:rgba(var(--dk),.8)}
.nextpage a{display:flex;justify-content:space-between;align-items:center;gap:20px;width:min(1160px,100%);margin:auto;padding:24px 28px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);transition:border-color .25s,transform .25s,box-shadow .25s}
.nextpage a:hover{border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 12px 30px rgba(var(--g1),.12)}
.nextpage b{display:block;font-family:var(--display);font-size:clamp(20px,2.6vw,28px);font-weight:500;letter-spacing:-.02em;margin-top:6px}
.nextpage em{font-style:normal;color:var(--muted);font-size:14px}
.nextpage .np-arrow{font-family:var(--mono);font-size:26px;color:var(--cyan);transition:transform .2s}
.nextpage a:hover .np-arrow{transform:translateX(6px)}

/* ---------- Footer ---------- */
footer .f-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin-bottom:12px}
footer .f-links a{color:var(--muted);transition:color .2s}
footer .f-links a:hover{color:var(--cyan)}
footer .f-copy{color:var(--dim)}

/* ---------- Lab ---------- */
.lab-filter{display:flex;flex-wrap:wrap;gap:7px;margin-top:34px}
.lab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
@media (max-width:1000px){.lab-grid{grid-template-columns:1fr 1fr}}
@media (max-width:680px){.lab-grid{grid-template-columns:1fr}}
.lab-card{display:flex;flex-direction:column;gap:10px;padding:22px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);position:relative;transition:border-color .25s,transform .25s,box-shadow .25s,opacity .3s}
.lab-card:hover{border-color:var(--idle3);transform:translateY(-2px)}
.lab-card.on{border-color:var(--cyan);box-shadow:inset 0 0 0 1px var(--cyan)}
.lab-card[hidden]{display:none}
.lc-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.lab-badge{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:99px;border:1px solid var(--line);color:var(--muted);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.lab-badge.demo{color:var(--cyan);border-color:color-mix(in srgb,var(--cyan) 50%,var(--line))}
.lab-badge.demo:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:inkBlink 1.4s steps(1) infinite}
.lab-card h3{font-size:19px;line-height:1.25;letter-spacing:-.01em}
.lab-card p{font-size:14px;line-height:1.6;color:var(--body)}
.lab-card .tags span{font-size:10px;padding:4px 8px}
.lc-actions{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap;padding-top:8px}
.btn.sm{padding:9px 13px;font-size:11.5px}
.lab-stage{margin-top:28px;border:1px solid var(--line);border-radius:var(--r-lg);background:rgba(var(--dk),.88);overflow:hidden;scroll-margin-top:150px}
.ls-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface)}
.ls-title{display:flex;align-items:center;gap:10px;min-width:0}
.ls-title b{font-family:var(--display);font-size:16px;font-weight:600}
.ls-dots{display:flex;gap:6px}.ls-dots i{width:10px;height:10px;border-radius:50%;background:var(--idle2)}
.ls-dots i:first-child{background:var(--cyan)}
.ls-note{font-family:var(--mono);font-size:11px;color:var(--dim);letter-spacing:.06em}
.ls-body{padding:22px;min-height:200px}
.ls-body iframe{width:100%;height:560px;border:0;display:block;background:#fff}
.ls-loading{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.08em}
.lab-teaser{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}
@media (max-width:900px){.lab-teaser{grid-template-columns:1fr}}
.lab-teaser .lab-card{color:var(--text)}
.lab-howto{margin-top:34px;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;padding:20px 22px;border:1px dashed var(--line);border-radius:var(--r-md)}
.lab-howto code{font-family:var(--mono);font-size:12px;color:var(--cyan)}
.lab-howto p{color:var(--body);font-size:13.5px;line-height:1.6}

/* demo UI kit (shared by lab demos) */
.dm{display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px}
@media (max-width:860px){.dm{grid-template-columns:1fr}}
.dm-side{display:flex;flex-direction:column;gap:18px}
.dm-group>.label{display:block;margin-bottom:9px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-family:var(--mono);font-size:11.5px;letter-spacing:.03em;padding:7px 11px;border-radius:99px;border:1px solid var(--line);background:var(--panel);color:var(--muted);cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:color .2s,border-color .2s,background .2s}
.chip i{width:9px;height:9px;border-radius:50%;background:var(--c,var(--cyan));opacity:.3;flex:none}
.chip:hover{color:var(--text);border-color:var(--idle3)}
.chip.on{color:var(--text);border-color:var(--c,var(--cyan));background:var(--surface)}
.chip.on i{opacity:1}
.dm-main{min-width:0;position:relative}
.dm-chart{width:100%;height:320px;display:block;touch-action:none}
.dm-tip{position:absolute;pointer-events:none;font-family:var(--mono);font-size:11px;line-height:1.5;background:var(--surface2);border:1px solid var(--line);color:var(--text);padding:8px 10px;border-radius:var(--r-sm);white-space:nowrap;opacity:0;transition:opacity .15s;z-index:3}
.dm-tip.on{opacity:1}
.dm-table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12px;margin-top:16px;font-variant-numeric:tabular-nums}
.dm-table th,.dm-table td{padding:8px 8px;border-bottom:1px solid var(--line);text-align:right;color:var(--body);white-space:nowrap}
.dm-table th{color:var(--muted);font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:10.5px}
.dm-table td:first-child,.dm-table th:first-child{text-align:left}
.dm-table tr.blend td{color:var(--text);font-weight:600}
.dm-table .sw{display:inline-block;width:14px;height:3px;margin-right:8px;vertical-align:middle;background:var(--c)}
.dm-scroll{overflow-x:auto}
.dm-note{font-family:var(--mono);font-size:11px;line-height:1.55;color:var(--dim);letter-spacing:.03em}
.dm-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}
.dm-kpis div{border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;background:var(--panel)}
.dm-kpis b{display:block;font-family:var(--display);font-size:20px;font-weight:500;color:var(--text);font-variant-numeric:tabular-nums}
.dm-kpis span{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
@media (max-width:560px){.dm-kpis{grid-template-columns:1fr 1fr}}
.dm-heat{display:grid;gap:2px;margin-top:8px;font-family:var(--mono);font-size:10.5px}
.dm-heat span{display:grid;place-items:center;height:30px;border-radius:2px;color:var(--text)}
.dm-heat .h{background:none;color:var(--muted);height:auto;padding:2px}
.dm-btnrow{display:flex;flex-wrap:wrap;gap:8px}
.dm-textarea{width:100%;min-height:92px;resize:vertical;font:inherit;font-family:var(--mono);font-size:13px;line-height:1.55;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px}
.dm-textarea:focus{outline:2px solid var(--cyan);outline-offset:1px}
.dm-svg{width:100%;height:auto;display:block;min-width:720px}
.dm-svg text{font-family:var(--mono);font-size:11.5px;fill:var(--text)}
.dm-svg .node rect{fill:var(--panel);stroke:var(--line);stroke-width:1.2;transition:fill .25s,stroke .25s,opacity .25s}
.dm-svg .node{cursor:pointer;transition:opacity .25s}
.dm-svg .node:hover rect{stroke:var(--cyan)}
.dm-svg .node.sel rect{stroke:var(--cyan);stroke-width:2.2;fill:var(--surface2)}
.dm-svg .node.up rect{stroke:var(--blue);stroke-width:1.8}
.dm-svg .node.down rect{stroke:var(--orange);stroke-width:1.8}
.dm-svg .node.broken rect{stroke:#e5484d;fill:color-mix(in srgb,#e5484d 18%,var(--panel))}
.dm-svg .node.dim{opacity:.28}
.dm-svg .edge{fill:none;stroke:var(--idle2);stroke-width:1.3;transition:opacity .25s,stroke .25s}
.dm-svg .edge.dim{opacity:.15}
.dm-svg .edge.up{stroke:var(--blue);stroke-width:2;stroke-dasharray:6 5;animation:dgFlow 1s linear infinite reverse}
.dm-svg .edge.down{stroke:var(--orange);stroke-width:2;stroke-dasharray:6 5;animation:dgFlow 1s linear infinite}
.dm-svg .edge.broken{stroke:#e5484d}
.dm-svg .colhead{font-size:10.5px;fill:var(--muted);letter-spacing:.12em}
@keyframes dgFlow{to{stroke-dashoffset:-22}}
.rc-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:18px 0}
.rc-steps span{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;text-align:center;padding:8px 6px;border:1px solid var(--line);border-radius:var(--r-sm);color:var(--dim);transition:all .3s}
.rc-steps span.on{color:var(--on);background:var(--cyan);border-color:var(--cyan)}
.rc-steps span.done{color:var(--cyan);border-color:var(--cyan)}
.rc-out{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:760px){.rc-out{grid-template-columns:1fr}.rc-steps{grid-template-columns:1fr 1fr}}
.rc-card{border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;background:var(--panel);opacity:0;transform:translateY(6px);transition:opacity .35s,transform .35s}
.rc-card.in{opacity:1;transform:none}
.rc-card.wide{grid-column:1/-1}
.rc-card h4{margin:0 0 10px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);font-weight:600}
.rc-card p,.rc-card li{font-size:14px;line-height:1.6;color:var(--body)}
.rc-card ul{margin:0;padding-left:18px}
.rc-card li+li{margin-top:6px}
.rc-why{display:inline-block;margin-left:6px;font-family:var(--mono);font-size:10px;letter-spacing:.04em;color:var(--dim);border:1px dashed var(--line);border-radius:3px;padding:0 5px;vertical-align:1px}
.rc-hyp{font-family:var(--display);font-size:17px;color:var(--text)!important;line-height:1.45}

/* ---------- Ideas ---------- */
.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
@media (max-width:860px){.topics{grid-template-columns:1fr}}
.topic{padding:22px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:6px;transition:border-color .25s,transform .25s,box-shadow .25s;color:var(--text)}
.topic:hover{border-color:var(--idle3);transform:translateY(-2px)}
.topic.on{border-color:var(--cyan);box-shadow:inset 0 0 0 1px var(--cyan)}
.topic b{font-family:var(--display);font-size:20px;font-weight:600;letter-spacing:-.01em}
.topic p{color:var(--body);font-size:14px;line-height:1.55}
.topic small{margin-top:auto;padding-top:6px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.idea-feature{margin-top:30px;padding:32px;border:1px solid color-mix(in srgb,var(--cyan) 45%,var(--line));border-radius:var(--r-lg);background:linear-gradient(135deg,rgba(var(--g1),.09),transparent 60%),var(--panel);position:relative;overflow:hidden}
.idea-feature h3{font-size:clamp(24px,3vw,36px);line-height:1.15;letter-spacing:-.025em;margin:12px 0 14px;max-width:820px}
.idea-feature>p{color:var(--body);font-size:16px;line-height:1.65;max-width:760px}
.idea-feature .row-actions{margin-top:22px}
.idea-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.idea{border:1px solid var(--line);border-radius:var(--r-md);background:var(--panel);scroll-margin-top:150px;transition:border-color .25s}
.idea.open{border-color:var(--cyan)}
.idea[hidden]{display:none}
.idea>button{width:100%;display:grid;grid-template-columns:120px 1fr 30px;gap:18px;align-items:center;padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;color:var(--text)}
.idea h3{font-size:19px;line-height:1.25;letter-spacing:-.01em}
.idea .i-sum{display:block;color:var(--muted);font-size:14px;line-height:1.5;margin-top:5px}
.idea .i-plus{font-family:var(--mono);font-size:22px;color:var(--cyan);transition:transform .25s;text-align:center}
.idea.open .i-plus{transform:rotate(45deg)}
.idea-body{padding:0 22px 26px 160px;max-width:960px}
.idea-body[hidden]{display:none}
.idea-body p{color:var(--body);font-size:15.5px;line-height:1.75;margin-top:14px}
.idea-body p:first-child{margin-top:0}
.idea-src{margin-top:20px!important;padding-top:14px;border-top:1px dashed var(--line);font-family:var(--mono);font-size:11.5px!important;line-height:1.6!important;color:var(--dim)!important}
.idea-src a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
@media (max-width:760px){.idea>button{grid-template-columns:1fr 26px;gap:8px}.idea>button .label{grid-column:1/-1}.idea-body{padding:0 20px 22px}}
.idea-teaser{display:grid;grid-template-columns:1.4fr 1fr;gap:14px;margin-top:32px}
@media (max-width:900px){.idea-teaser{grid-template-columns:1fr}}
.idea-teaser .idea-feature{margin-top:0}
.idea-teaser .topics{margin-top:0;grid-template-columns:1fr;gap:10px}
.idea-teaser .topic{padding:16px 18px}

/* ============================================================
   Per-view refinements for the new components
   ============================================================ */
/* Monochrome: paper rules instead of boxes */
html[data-skin="latex"] .e2e,html[data-skin="latex"] .stats4,html[data-skin="latex"] .xcard,html[data-skin="latex"] .lab-card,html[data-skin="latex"] .topic,html[data-skin="latex"] .idea,html[data-skin="latex"] .idea-feature,html[data-skin="latex"] .lab-stage,html[data-skin="latex"] .nextpage a,html[data-skin="latex"] .quote,html[data-skin="latex"] .rc-card,html[data-skin="latex"] .dm-kpis div{border-radius:0;box-shadow:none;background:transparent}
html[data-skin="latex"] .xcard,html[data-skin="latex"] .lab-card,html[data-skin="latex"] .topic{border:0;border-top:.8px solid #141414;padding:18px 6px 20px}
html[data-skin="latex"] .xcard:hover,html[data-skin="latex"] .lab-card:hover,html[data-skin="latex"] .topic:hover{transform:none;background:#f3f1ea}
html[data-skin="latex"] .lab-card.on,html[data-skin="latex"] .topic.on{box-shadow:none;border-top:2.4px solid #141414;background:#f3f1ea}
html[data-skin="latex"] .xcard:before{height:2.4px;background:#141414}
html[data-skin="latex"] .stats4{border:0;border-top:1.4px solid #141414;border-bottom:1.4px solid #141414}
html[data-skin="latex"] .stats4>div{border-color:#bdbdb6}
html[data-skin="latex"] .stats4 strong{color:#141414;font-family:var(--serif);font-weight:400;letter-spacing:0}
html[data-skin="latex"] .stats4 span,html[data-skin="latex"] .go,html[data-skin="latex"] .topic small,html[data-skin="latex"] .quote cite,html[data-skin="latex"] .lab-badge,html[data-skin="latex"] .ls-note,html[data-skin="latex"] .rc-card h4,html[data-skin="latex"] .rc-steps span,html[data-skin="latex"] .chip,html[data-skin="latex"] .dm-kpis span,html[data-skin="latex"] .dm-table th{font-family:var(--serif)!important;font-variant:small-caps;text-transform:lowercase!important;letter-spacing:.05em!important;font-size:14px}
html[data-skin="latex"] .go{color:#141414;text-decoration:underline;text-underline-offset:4px}
html[data-skin="latex"] .e2e{border:.8px solid #141414}
html[data-skin="latex"] .e2e-flow em{border-color:#141414;color:#141414;background:#fcfbf7;font-family:var(--serif);font-size:15px}
html[data-skin="latex"] .e2e-flow a:hover em{background:#141414;color:#fcfbf7}
html[data-skin="latex"] .e2e-flow a:hover b{color:#141414;text-decoration:underline}
html[data-skin="latex"] .e2e-flow:before{background:#141414;height:.8px}
html[data-skin="latex"] .e2e-flow:after{background:#141414;height:2.4px;top:23px}
html[data-skin="latex"] .e2e-flow b{font-family:var(--serif);font-size:17px;font-weight:700}
html[data-skin="latex"] .e2e-flow small{font-size:14px;color:#333}
html[data-skin="latex"] .e2e-foot{border-top:.8px solid #141414}
html[data-skin="latex"] .jsteps{border-top:.8px solid #141414}
html[data-skin="latex"] .jsteps>div:before{border-color:#141414;border-width:1.2px}
html[data-skin="latex"] .jsteps>div:last-child:before{background:#141414;animation:inkPulse 2.4s ease-in-out infinite}
html[data-skin="latex"] .jsteps b{font-family:var(--serif);font-weight:700}
html[data-skin="latex"] .jsteps p{font-size:16px}
html[data-skin="latex"] .quote{border:0;border-top:.8px solid #141414;border-bottom:.8px solid #141414;text-align:center;padding:26px 30px}
html[data-skin="latex"] .quote p{font-family:var(--serif);font-style:italic;font-size:24px}
html[data-skin="latex"] .nextpage{background:#fcfbf7;border-top:0}
html[data-skin="latex"] .nextpage a{border:0;border-top:.8px solid #141414;border-bottom:.8px solid #141414}
html[data-skin="latex"] .nextpage b{font-family:var(--serif)}
html[data-skin="latex"] .nextpage .np-arrow{color:#141414;font-family:var(--serif)}
html[data-skin="latex"] .lab-badge{border:0;padding:0;color:#141414}
html[data-skin="latex"] .lab-badge.demo:before{background:#141414}
html[data-skin="latex"] .lab-stage{border:.8px solid #141414}
html[data-skin="latex"] .ls-head{background:#f3f1ea;border-bottom:.8px solid #141414}
html[data-skin="latex"] .ls-dots{display:none}
html[data-skin="latex"] .ls-title b{font-family:var(--serif);font-size:18px}
html[data-skin="latex"] .lab-card p,html[data-skin="latex"] .xcard p,html[data-skin="latex"] .topic p,html[data-skin="latex"] .rc-card p,html[data-skin="latex"] .rc-card li{font-size:16px}
html[data-skin="latex"] .idea{border:0;border-top:.8px solid #141414}
html[data-skin="latex"] .idea-list{gap:0;border-bottom:.8px solid #141414}
html[data-skin="latex"] .idea.open{background:#f6f5f0}
html[data-skin="latex"] .idea .i-plus{color:#141414;font-family:var(--serif)}
html[data-skin="latex"] .idea-body p{font-size:18px;text-align:justify;hyphens:auto;color:#1c1c1c}
html[data-skin="latex"] .idea-body p:first-child:first-letter{float:left;font-size:3.1em;line-height:.85;padding:4px 6px 0 0}
html[data-skin="latex"] .idea-src{font-family:var(--serif)!important;font-size:14px!important;color:#4a4a4a!important;border-top:.8px solid #bdbdb6}
html[data-skin="latex"] .idea-src a,html[data-skin="latex"] .idea-src{color:#141414}
html[data-skin="latex"] .idea-feature{border:1.4px solid #141414;padding:30px 34px}
html[data-skin="latex"] .idea-feature>p{font-size:18px;text-align:justify}
html[data-skin="latex"] .chip{border-radius:0;border-color:#bdbdb6;background:transparent;color:#333}
html[data-skin="latex"] .chip.on{border-color:#141414;background:#141414;color:#fcfbf7}
html[data-skin="latex"] .chip.on i{background:#fcfbf7!important}
html[data-skin="latex"] .dm-table{font-family:var(--serif);font-size:15px}
html[data-skin="latex"] .dm-table th,html[data-skin="latex"] .dm-table td{border-bottom:0}
html[data-skin="latex"] .dm-table thead tr{border-top:1.4px solid #141414;border-bottom:.8px solid #141414}
html[data-skin="latex"] .dm-table tbody tr:last-child{border-bottom:1.4px solid #141414}
html[data-skin="latex"] .dm-kpis div{border:0;border-left:.8px solid #141414}
html[data-skin="latex"] .dm-kpis b{font-family:var(--serif)}
html[data-skin="latex"] .rc-card{border:0;border-top:.8px solid #141414}
html[data-skin="latex"] .rc-steps span{border-radius:0}
html[data-skin="latex"] .rc-steps span.on{background:#141414;color:#fcfbf7;border-color:#141414}
html[data-skin="latex"] .rc-steps span.done{color:#141414;border-color:#141414}
html[data-skin="latex"] .dm-textarea{border-radius:0;border-color:#141414;font-family:var(--serif);font-size:17px;background:#fff}
html[data-skin="latex"] .dm-svg text{font-family:var(--serif);font-size:13px}
html[data-skin="latex"] .dm-svg .node rect{stroke:#141414;fill:#fcfbf7}
html[data-skin="latex"] .dm-svg .node.sel rect{fill:#141414}
html[data-skin="latex"] .dm-svg .node.sel text{fill:#fcfbf7}
html[data-skin="latex"] .dm-svg .edge{stroke:#8c8c86}
html[data-skin="latex"] .lab-howto{border-radius:0;border-color:#8c8c86}
html[data-skin="latex"] .lab-howto code{color:#141414}
html[data-skin="latex"] .rc-hyp{font-family:var(--serif);font-style:italic;font-size:19px}
html[data-skin="latex"] footer .f-links a{font-family:var(--serif);font-variant:small-caps;text-transform:lowercase;letter-spacing:.05em;font-size:15px;color:#333}
/* Live Terminal: flat panels, amber headers */
html[data-skin="bbg"] .e2e,html[data-skin="bbg"] .lab-stage,html[data-skin="bbg"] .idea-feature{border-color:#fb8b1e}
html[data-skin="bbg"] .e2e-head,html[data-skin="bbg"] .ls-head{background:#fb8b1e;margin:-22px -24px 26px;padding:6px 12px;border-bottom:0}
html[data-skin="bbg"] .ls-head{margin:0}
html[data-skin="bbg"] .e2e-head .label,html[data-skin="bbg"] .ls-head .label,html[data-skin="bbg"] .ls-head b,html[data-skin="bbg"] .ls-note{color:#000!important}
html[data-skin="bbg"] .ls-dots{display:none}
html[data-skin="bbg"] .e2e-flow em{border-radius:0;border-color:#fb8b1e;background:#000;color:#fb8b1e}
html[data-skin="bbg"] .e2e-flow a:hover em{background:#fb8b1e;color:#000}
html[data-skin="bbg"] .stats4 strong{color:#fb8b1e}
html[data-skin="bbg"] .stats4 span{color:#e6e6e6}
html[data-skin="bbg"] .xcard:hover,html[data-skin="bbg"] .lab-card:hover,html[data-skin="bbg"] .topic:hover,html[data-skin="bbg"] .nextpage a:hover{border-color:#fb8b1e;transform:none;box-shadow:none;background:#0d0d0d}
html[data-skin="bbg"] .xcard:before{background:#fb8b1e;height:3px}
html[data-skin="bbg"] .chip,html[data-skin="bbg"] .lab-badge{border-radius:0}
html[data-skin="bbg"] .chip.on{background:#fb8b1e;color:#000;border-color:#fb8b1e}
html[data-skin="bbg"] .chip.on i{background:#000!important}
html[data-skin="bbg"] .lab-badge.demo{color:#4af6c3;border-color:#4af6c3}
html[data-skin="bbg"] .lab-badge.demo:before{background:#4af6c3}
html[data-skin="bbg"] .quote{border-left-color:#fb8b1e;background:#0d0d0d}
html[data-skin="bbg"] .quote p{color:#fb8b1e}
html[data-skin="bbg"] .rc-card h4{color:#fb8b1e}
html[data-skin="bbg"] .rc-steps span.on{background:#fb8b1e;color:#000}
html[data-skin="bbg"] .idea .i-plus,html[data-skin="bbg"] .nextpage .np-arrow,html[data-skin="bbg"] .go{color:#4af6c3}
html[data-skin="bbg"] .dm-textarea{border-radius:0;background:#000;color:#fb8b1e}
/* Code Editor: tab-like headers and gutters */
html[data-skin="ide"] .ls-head{background:#3c3f41;border-bottom:1px solid #2b2b2b}
html[data-skin="ide"] .ls-dots i{background:#5a5e60}
html[data-skin="ide"] .ls-dots i:first-child{background:#cc7832}
html[data-skin="ide"] .xcard h3:before,html[data-skin="ide"] .lab-card h3:before{content:"def ";color:#cc7832}
html[data-skin="ide"] .quote{border-left-color:#6a8759;background:#313335}
html[data-skin="ide"] .quote p{color:#6a8759;font-style:italic}
html[data-skin="ide"] .stats4 strong{color:#6897bb}
html[data-skin="ide"] .idea-feature{border-color:#cc7832}
html[data-skin="ide"] .nextpage b:before{content:"import ";color:#cc7832}
/* Digital Rain: glow */
html[data-skin="matrix"] .stats4 strong,html[data-skin="matrix"] .e2e-flow em,html[data-skin="matrix"] .quote p{text-shadow:0 0 12px rgba(0,255,102,.55)}
html[data-skin="matrix"] .xcard:hover,html[data-skin="matrix"] .lab-card.on,html[data-skin="matrix"] .topic.on{box-shadow:0 0 22px rgba(0,255,102,.22),inset 0 0 0 1px #00ff66}
html[data-skin="matrix"] .e2e,html[data-skin="matrix"] .lab-stage{background:rgba(1,4,2,.86)}
@media (prefers-reduced-motion:reduce){.e2e-flow:after,.e2e-flow em:after,.jsteps>div:last-child:before,.dm-svg .edge{animation:none!important}}
html[data-skin="bbg"] .e2e-head .label,html[data-skin="bbg"] .ls-head .label{background:none!important;border:0!important;padding:0!important;box-shadow:none!important;color:#000!important}
html[data-skin="bbg"] .e2e-head .label:before,html[data-skin="bbg"] .e2e-head .label:after{display:none!important}
.navbtn.on{border-color:var(--cyan)!important;color:var(--cyan)!important}
@media (max-width:1040px){nav.open .links{background:var(--bg)!important;opacity:1!important}html[data-skin="bbg"] nav.open .links a.on{padding:13px 14px}}

/* ============================================================
   v2: prominent page menu, quiet "View" dropdown, no view bar
   ============================================================ */
.viewbar{display:none!important}
.hero{padding-top:128px!important}
.first{padding-top:130px!important}
@media (max-width:760px){.hero{padding-top:104px!important}.first{padding-top:104px!important}}
nav{height:62px}
html nav .links{gap:4px!important}
html body nav .links a{font-family:var(--mono)!important;font-size:13.5px!important;font-weight:600;letter-spacing:.09em!important;color:var(--text)!important;padding:9px 14px;border-radius:999px;transition:background .2s,color .2s}
html body nav .links a:hover{background:var(--surface2);color:var(--cyan)!important}
html body nav .links a.on{background:var(--cyan);color:var(--on)!important}
html body nav .links a.on:after{display:none}
html[data-skin="latex"] body nav .links a{font-family:var(--serif)!important;font-variant:small-caps;text-transform:lowercase!important;font-size:19px!important;font-weight:600;letter-spacing:.05em!important;color:#141414!important;border-radius:0;padding:6px 12px}
html[data-skin="latex"] body nav .links a:hover{background:transparent;text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:.8px}
html[data-skin="latex"] body nav .links a.on{background:#141414;color:#fcfbf7!important;text-decoration:none}
html[data-skin="bbg"] body nav .links a{border-radius:0;color:#fb8b1e!important}
html[data-skin="bbg"] body nav .links a:hover{background:#1a1a1a;color:#fff!important}
html[data-skin="bbg"] body nav .links a.on{background:#fb8b1e;color:#000!important}
html[data-skin="ide"] body nav .links a{border-radius:3px;color:#a9b7c6!important}
html[data-skin="ide"] body nav .links a.on{background:#cc7832;color:#2b2b2b!important}
html[data-skin="matrix"] body nav .links a{color:#d8ffe4!important}
html[data-skin="matrix"] body nav .links a.on{background:#00ff66;color:#001a09!important;box-shadow:0 0 16px rgba(0,255,102,.45)}
@media (max-width:1040px){html body nav.open .links a{padding:13px 16px;border-radius:10px}html[data-skin="latex"] body nav.open .links a,html[data-skin="bbg"] body nav.open .links a{border-radius:0}}

/* the quiet View dropdown */
.vdrop{position:relative}
.vd-btn{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 10px 0 9px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);cursor:pointer;font-family:var(--mono);font-size:11px;letter-spacing:.06em;transition:color .2s,border-color .2s}
.vd-btn:hover,.vdrop.open .vd-btn{color:var(--text);border-color:var(--idle3)}
.vd-sw{width:12px;height:12px;border-radius:50%;flex:none;box-shadow:0 0 0 1px rgba(128,128,128,.4)}
.vd-l{text-transform:uppercase;letter-spacing:.12em;opacity:.7}
.vd-btn b{font-weight:500}
.vd-caret{font-size:9px;opacity:.7;transition:transform .2s}
.vdrop.open .vd-caret{transform:rotate(180deg)}
.vd-menu{position:absolute;right:0;top:calc(100% + 12px);width:270px;padding:6px;border:1px solid var(--line);border-radius:14px;background:var(--bg);box-shadow:0 18px 40px rgba(0,0,0,.35);z-index:60}
.vd-menu[hidden]{display:none}
.vd-head{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);padding:8px 10px 6px}
.vd-opt{display:flex;align-items:center;gap:11px;width:100%;padding:9px 10px;border:0;border-radius:9px;background:none;color:var(--text);cursor:pointer;text-align:left}
.vd-opt:hover,.vd-opt:focus-visible{background:var(--surface2);outline:none}
.vd-opt i{width:22px;height:22px;border-radius:50%;flex:none;box-shadow:0 0 0 1px rgba(128,128,128,.4)}
.vd-opt span{display:flex;flex-direction:column;font-family:var(--mono);font-size:12.5px;font-weight:600;line-height:1.3}
.vd-opt small{font-weight:400;font-size:11px;color:var(--muted);font-family:var(--serif)}
.vd-opt.on{background:var(--surface)}
.vd-opt.on span:after{content:"✓ current";font-size:10px;font-weight:400;color:var(--cyan);letter-spacing:.06em;margin-top:2px}
html[data-skin="latex"] .vd-btn{border-radius:0;border-color:#bdbdb6;font-family:var(--serif);font-size:14px;color:#4a4a4a}
html[data-skin="latex"] .vd-l{font-variant:small-caps;text-transform:lowercase}
html[data-skin="latex"] .vd-menu{border-radius:0;border-color:#141414;box-shadow:none;background:#fcfbf7}
html[data-skin="latex"] .vd-opt{border-radius:0}
html[data-skin="latex"] .vd-opt span,html[data-skin="latex"] .vd-head{font-family:var(--serif);font-size:15px}
html[data-skin="latex"] .vd-opt small{font-size:13px}
html[data-skin="latex"] .vd-opt.on span:after{color:#141414}
html[data-skin="bbg"] .vd-btn,html[data-skin="bbg"] .vd-menu,html[data-skin="bbg"] .vd-opt{border-radius:0}
html[data-skin="bbg"] .vd-menu{border-color:#fb8b1e;background:#000}
html[data-skin="ide"] .vd-btn{border-radius:3px}html[data-skin="ide"] .vd-menu{border-radius:4px;background:#3c3f41}html[data-skin="ide"] .vd-opt{border-radius:3px}
html[data-skin="ide"] .vd-opt.on,html[data-skin="ide"] .vd-opt:hover{background:#4b6eaf33}
@media (max-width:760px){.vd-l,.vd-btn b{display:none}.vd-btn{padding:0 9px}}
.menu-btn{width:auto;padding:0 14px 0 12px;gap:7px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--text);border-color:var(--cyan)}
.menu-btn:after{content:"MENU"}
html[data-skin="latex"] .menu-btn{border-radius:0;border-color:#141414;font-family:var(--serif);font-variant:small-caps}
html[data-skin="latex"] .menu-btn:after{content:"menu";font-size:16px}
html[data-skin="bbg"] .menu-btn{border-radius:0;border-color:#fb8b1e;color:#fb8b1e}
html[data-skin] body nav .links a.on{padding:9px 14px}html[data-skin="latex"] body nav .links a.on{padding:6px 12px}

/* ============================================================
   LANDING (home): cinematic, cursor-driven
   ============================================================ */
html[data-page="home"] #rain,html[data-page="home"] .scan{display:none!important}
html[data-page="home"] body{background:var(--bg);background-image:none}
#lnField{position:fixed;inset:0;z-index:0;display:block;pointer-events:none}
.ln{position:relative;z-index:1}
.ln-scene{position:relative;min-height:100vh;display:flex;align-items:center;padding:110px var(--gutter) 90px}
.ln-scene .wrap{display:flex}
.ln-scene[data-side="left"] .wrap{justify-content:flex-end}
.ln-copy{max-width:520px;position:relative;transform:translate(calc(var(--mx,0)*-10px),calc(var(--my,0)*-8px));transition:transform .3s ease-out}
.ln-copy:before{content:"";position:absolute;inset:-60px -80px;z-index:-1;background:radial-gradient(closest-side,rgba(var(--dk),.7),rgba(var(--dk),0));pointer-events:none}
.ln-num{position:absolute;top:-.62em;left:-.06em;font-family:var(--display);font-weight:700;font-size:clamp(120px,15vw,210px);line-height:1;color:transparent;-webkit-text-stroke:1px color-mix(in srgb,var(--cyan) 35%,transparent);z-index:-1;transform:translate(calc(var(--mx,0)*26px),calc(var(--my,0)*18px));transition:transform .4s ease-out,opacity 1s;opacity:0;pointer-events:none;letter-spacing:-.04em}
.ln-scene.in .ln-num{opacity:.9}
.ln-kick{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);opacity:0;transform:translateY(12px);transition:opacity .7s,transform .7s}
.ln-kick:before{content:"";width:28px;height:1px;background:currentColor;transform-origin:left;transform:scaleX(0);transition:transform .8s .2s}
.ln-scene.in .ln-kick{opacity:1;transform:none}
.ln-scene.in .ln-kick:before{transform:scaleX(1)}
.ln-title{font-family:var(--display);font-size:clamp(34px,4.6vw,64px);line-height:1.04;letter-spacing:-.035em;margin:18px 0 20px;color:var(--text);font-weight:500}
.ln-hero .ln-title{font-size:clamp(42px,6.6vw,98px);line-height:.98}
.ln-title .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.ln-title .w>span{display:inline-block;transform:translateY(110%);transition:transform .9s cubic-bezier(.2,.7,.1,1)}
.ln-scene.in .ln-title .w>span{transform:none}
.ln-title em{font-style:normal;color:var(--cyan)}
.ln-text{font-size:16.5px;line-height:1.65;color:var(--body);max-width:480px;opacity:0;transform:translateY(14px);transition:opacity .8s .45s,transform .8s .45s}
.ln-scene.in .ln-text{opacity:1;transform:none}
.ln-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;opacity:0;transition:opacity .8s .6s}
.ln-meta b{color:var(--text);font-weight:600}
.ln-scene.in .ln-meta{opacity:1}
.ln-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;opacity:0;transform:translateY(14px);transition:opacity .8s .7s,transform .8s .7s}
.ln-scene.in .ln-cta{opacity:1;transform:none}
.ln-go{position:relative;display:inline-flex;align-items:center;gap:14px;padding:15px 22px;border:1px solid var(--cyan);border-radius:999px;font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--text);overflow:hidden;isolation:isolate;transition:color .35s}
.ln-go:before{content:"";position:absolute;inset:0;background:var(--cyan);transform:translateX(-101%);transition:transform .45s cubic-bezier(.2,.7,.1,1);z-index:-1}
.ln-go:hover{color:var(--on)}
.ln-go:hover:before{transform:none}
.ln-go i{font-style:normal;transition:transform .35s}
.ln-go:hover i{transform:translateX(5px)}
.ln-go.ghost{border-color:var(--line);color:var(--muted)}
.ln-go.ghost:before{background:var(--surface2)}
.ln-go.ghost:hover{color:var(--text)}
/* hero */
.ln-hero .wrap{justify-content:flex-start}
.ln-hero .ln-copy{max-width:900px}
.ln-hero .ln-copy:before{inset:-40px -60px;background:radial-gradient(closest-side,rgba(var(--dk),.6),rgba(var(--dk),0))}
.ln-hint{display:inline-flex;align-items:center;gap:10px;margin-top:34px;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);opacity:0;transition:opacity 1s 1.2s}
.ln-scene.in .ln-hint{opacity:1}
.ln-hint .mouse{width:18px;height:28px;border:1.5px solid currentColor;border-radius:10px;position:relative}
.ln-hint .mouse:after{content:"";position:absolute;left:50%;top:5px;width:2px;height:6px;margin-left:-1px;border-radius:2px;background:var(--cyan);animation:lnWheel 1.6s infinite}
@keyframes lnWheel{0%{opacity:0;transform:translateY(-2px)}40%{opacity:1}100%{opacity:0;transform:translateY(8px)}}
/* HUD */
.ln-hud{position:fixed;right:24px;bottom:22px;z-index:5;display:flex;align-items:center;gap:16px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(var(--dk),.72);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);pointer-events:none}
.ln-hud b{color:var(--text);font-weight:600}
.ln-hud .sn{display:flex;align-items:center;gap:8px}
.ln-hud .bar{width:70px;height:3px;background:var(--line);border-radius:3px;overflow:hidden}
.ln-hud .bar i{display:block;height:100%;width:0;background:var(--cyan)}
/* rail */
.ln-rail{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:5;display:flex;flex-direction:column;gap:14px}
.ln-rail a{display:flex;align-items:center;justify-content:flex-end;gap:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.ln-rail a span{opacity:0;transform:translateX(6px);transition:opacity .25s,transform .25s}
.ln-rail a i{width:8px;height:8px;border-radius:50%;border:1px solid var(--muted);transition:all .3s}
.ln-rail a:hover span,.ln-rail a.on span{opacity:1;transform:none}
.ln-rail a.on{color:var(--text)}
.ln-rail a.on i{background:var(--cyan);border-color:var(--cyan);transform:scale(1.35);box-shadow:0 0 12px var(--cyan)}
html[data-page="home"] footer{position:relative;z-index:1;background:rgba(var(--dk),.9)}
@media (max-width:999px){
  .ln-scene{align-items:flex-end;padding:56vh 20px 110px}
  .ln-scene .wrap,.ln-scene[data-side="left"] .wrap{justify-content:flex-start}
  .ln-copy,.ln-hero .ln-copy{max-width:640px}
  .ln-copy:before{inset:-24px -20px;background:linear-gradient(rgba(var(--dk),0),rgba(var(--dk),.72) 18%,rgba(var(--dk),.72) 88%,rgba(var(--dk),0))}
  .ln-hero{align-items:flex-end}
  .ln-hero .ln-title{font-size:clamp(38px,7.6vw,68px)}
  .ln-num{font-size:110px}
  .ln-rail{display:none}
  .ln-hud{left:12px;right:12px;bottom:12px;justify-content:space-between}
  .ln-text{font-size:15px}
}
/* view flavors */
html[data-skin="latex"] .ln-title{font-family:var(--serif);font-weight:400;letter-spacing:-.01em}
html[data-skin="latex"] .ln-title em{font-style:italic;color:#141414}
html[data-skin="latex"] .ln-num{-webkit-text-stroke:1px rgba(20,20,20,.22);font-family:var(--serif);font-weight:400}
html[data-skin="latex"] .ln-kick,html[data-skin="latex"] .ln-meta,html[data-skin="latex"] .ln-hint,html[data-skin="latex"] .ln-go,html[data-skin="latex"] .ln-hud,html[data-skin="latex"] .ln-rail a{font-family:var(--serif);font-variant:small-caps;text-transform:lowercase;letter-spacing:.06em;font-size:15px;color:#141414}
html[data-skin="latex"] .ln-go{border-radius:0;border-color:#141414}
html[data-skin="latex"] .ln-go:before{background:#141414}
html[data-skin="latex"] .ln-go:hover{color:#fcfbf7}
html[data-skin="latex"] .ln-go.ghost{border-color:#bdbdb6}
html[data-skin="latex"] .ln-go.ghost:before{background:#efeee8}
html[data-skin="latex"] .ln-go.ghost:hover{color:#141414}
html[data-skin="latex"] .ln-hud{border-radius:0;border-color:#141414;font-size:14px}
html[data-skin="latex"] .ln-hud .bar i,html[data-skin="latex"] .ln-rail a.on i{background:#141414;border-color:#141414;box-shadow:none}
html[data-skin="latex"] .ln-text{font-size:19px;color:#1c1c1c}
html[data-skin="bbg"] .ln-title{text-transform:uppercase;letter-spacing:-.01em;font-weight:700}
html[data-skin="bbg"] .ln-go,html[data-skin="bbg"] .ln-hud{border-radius:0}
html[data-skin="bbg"] .ln-go:hover{color:#000}
html[data-skin="bbg"] .ln-kick{background:#fb8b1e;color:#000;padding:3px 8px;width:max-content}
html[data-skin="bbg"] .ln-kick:before{display:none}
html[data-skin="matrix"] .ln-title{text-shadow:0 0 18px rgba(0,255,102,.35)}
html[data-skin="matrix"] .ln-title em{text-shadow:0 0 22px rgba(0,255,102,.7)}
html[data-skin="ide"] .ln-kick:before{content:"#";width:auto;height:auto;background:none;transform:none;color:#808080}
html[data-skin="ide"] .ln-title em{color:#6a8759}
html[data-skin="ide"] .ln-go,html[data-skin="ide"] .ln-hud{border-radius:4px}
@media (prefers-reduced-motion:reduce){.ln-title .w>span,.ln-kick,.ln-text,.ln-cta,.ln-meta,.ln-hint,.ln-num{transition:none!important;transform:none!important;opacity:1!important}}
.ln{overflow-x:clip}html[data-page="home"]{overflow-x:hidden}
html.ln-hot,html.ln-hot body{cursor:pointer}
@media (max-width:999px){.ln-hud{display:none!important}}

.links .m-only{display:none}
@media (max-width:1040px){nav.open .links .m-only{display:block!important}}
.linkish{background:none;border:0;padding:0;color:var(--cyan);text-decoration:underline;cursor:pointer;font:inherit}

/* ============================================================
   PHONE FIXES (2026-09-29): keep every look inside the viewport
   ============================================================ */
.ln-copy{min-width:0}
@media (max-width:999px){.ln-copy,.ln-hero .ln-copy{max-width:100%}}
.ln-kick{max-width:100%}
html[data-skin="bbg"] .ln-kick{width:fit-content;max-width:100%}
@media (max-width:999px){.ln-copy,.ln-hero .ln-copy{width:100%;max-width:640px}}
@media (max-width:900px){.explorer{grid-template-columns:minmax(0,1fr)}.explorer>*{min-width:0}}
@media (max-width:680px){.lab-grid{grid-template-columns:minmax(0,1fr)}}
.lab-card{min-width:0}.lc-top{flex-wrap:wrap;row-gap:6px}
@media (max-width:420px){.t-folder{white-space:normal}.tree{padding-left:6px;padding-right:6px}.lab-card{padding:18px}}
@media (max-width:520px){.vd-menu{position:fixed;left:12px;right:12px;width:auto;top:calc(84px + env(safe-area-inset-top,0px));max-height:calc(100vh - 110px);overflow-y:auto}}
/* iPhone: keep the home headline inside the screen in every look */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
@media (max-width:999px){
  .ln-copy{transform:none!important}
  .ln-title,.ln-text,.ln-kick{overflow-wrap:anywhere;word-break:normal}
  .ln-hero .ln-title{font-size:clamp(28px,9.6vw,56px)}
  html[data-skin="bbg"] .ln-hero .ln-title{font-size:clamp(26px,9vw,52px);letter-spacing:-.02em}
  html[data-skin="bbg"] .ln-kick{font-size:11px;letter-spacing:.1em;white-space:normal}
}

/* ===== HEADER NAME + VIEW GLIMMER (2026-09-29) ===== */
.logo{font-size:18px}
html[data-skin="ide"] .logo{font-size:15.5px}
html[data-skin="latex"] .logo{font-size:20px}
html[data-skin="bbg"] .logo{font-size:16.5px}
@media (max-width:520px){nav .logo{font-size:14px!important}html[data-skin="latex"] nav .logo{font-size:16px!important}}
@media (max-width:340px){nav .logo{font-size:13px!important;letter-spacing:.06em!important}html[data-skin="latex"] nav .logo{font-size:15px!important}}
.vd-btn{position:relative;overflow:hidden;isolation:isolate;--glint:rgba(var(--g1),.45)}
.vd-btn:after{content:"";position:absolute;top:-2px;bottom:-2px;left:0;width:45%;pointer-events:none;z-index:-1;
  background:linear-gradient(100deg,transparent 0,var(--glint) 50%,transparent 100%);transform:translateX(-120%) skewX(-18deg);
  animation:vdGlint 6s ease-in-out 1.5s infinite}
@keyframes vdGlint{0%{transform:translateX(-120%) skewX(-18deg)}18%,100%{transform:translateX(330%) skewX(-18deg)}}
html[data-skin="latex"] .vd-btn{--glint:rgba(20,20,20,.2)}
html[data-skin="bbg"] .vd-btn{--glint:rgba(251,139,30,.45)}
html[data-skin="matrix"] .vd-btn{--glint:rgba(0,255,102,.35)}
html[data-skin="ide"] .vd-btn{--glint:rgba(204,120,50,.4)}
.vd-btn:hover:after,.vdrop.open .vd-btn:after{animation-play-state:paused;opacity:0}
@media (prefers-reduced-motion:reduce){.vd-btn:after{animation:none;display:none}}