/* ===== Silicon Geek Tribe · redesigned stylesheet ===== */
:root{
  --bg:#090b0a;
  --bg2:#0d110e;
  --panel:#0f1410;
  --panel2:#070c09;
  --line:#1d2a21;
  --line-hi:#2a3f30;
  --green:#3dff73;
  --green-dim:#27a04d;
  --cyan:#3fd8ff;
  --magenta:#ff4da6;
  --amber:#ffb224;
  --red:#ff5c6c;
  --txt:#cdf2da;
  --txt-dim:#6f9880;
  --txt-faint:#3d5a48;
  --mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:var(--mono);
  font-size:15px;
  line-height:1.6;
  overflow-x:hidden;
  position:relative;
}
::selection{background:rgba(61,255,115,.25);color:#eafff2}

/* subtle scrollbar */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--line-hi);border-radius:5px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:var(--green-dim)}

/* accessibility skip link */
.skip{position:fixed;top:-40px;left:10px;z-index:300;background:var(--green);color:#06120a;padding:.4rem .8rem;font-size:.8rem;text-decoration:none;border-radius:3px;transition:top .2s}
.skip:focus{top:10px}

/* ---------- ambient layers ---------- */
#matrix{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.55}
.grid-bg{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(39,160,77,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(39,160,77,.055) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,#000 30%,transparent 100%);
}
.scanlines{
  position:fixed;inset:0;z-index:60;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent 0,transparent 2px,rgba(0,18,7,.16) 3px,transparent 4px);
  opacity:.45;
}

/* ---------- boot ---------- */
.boot-overlay{
  position:fixed;inset:0;z-index:200;background:var(--bg);
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  transition:opacity .5s ease, visibility .5s ease;cursor:pointer;
}
.boot-overlay.hide{opacity:0;visibility:hidden}
.boot-inner{font-size:14px;color:var(--green);max-width:680px;width:100%;padding:2rem;white-space:pre-wrap;line-height:1.55}
.boot-inner .ok{color:var(--green)}
.boot-inner .warn{color:var(--amber)}
.boot-skip{position:absolute;bottom:2rem;font-size:.72rem;color:var(--txt-faint);letter-spacing:1px}

/* ---------- ticker ---------- */
.ticker{
  position:sticky;top:0;z-index:50;
  background:#060a07;border-bottom:1px solid var(--line);
  font-size:12px;color:var(--txt-dim);
  overflow:hidden;height:28px;display:flex;align-items:center;
}
.ticker-track{
  display:inline-flex;white-space:nowrap;will-change:transform;
  animation:tick 50s linear infinite;
}
.ticker:hover .ticker-track{animation-play-state:paused}
@keyframes tick{to{transform:translateX(-50%)}}
.tk{display:inline-block;padding:0 1.3rem}
.tk .sym{color:var(--cyan)}
.tk .up{color:var(--green)}
.tk .dn{color:var(--red)}
.tk-label{color:var(--green-dim);letter-spacing:1px}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:28px;z-index:49;
  display:flex;align-items:center;justify-content:space-between;
  padding:.75rem 1.6rem;background:rgba(7,11,8,.85);
  border-bottom:1px solid var(--line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.brand{font-weight:800;font-size:1.02rem;color:var(--green);text-decoration:none;letter-spacing:.5px}
.brand-bracket{color:var(--txt-dim)}
.brand-accent{color:var(--magenta)}
.cursor-blink{color:var(--green);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.nav-links{display:flex;gap:.3rem;flex-wrap:wrap}
.nav-links a{color:var(--txt-dim);text-decoration:none;font-size:.82rem;padding:.3rem .65rem;border:1px solid transparent;border-radius:3px;transition:color .2s,border-color .2s,background .2s}
.nav-links a:hover{color:var(--green);border-color:var(--green-dim);background:rgba(61,255,115,.05)}

/* ---------- hero ---------- */
.hero{position:relative;z-index:2;padding:4.5rem 1.6rem 2rem;max-width:1200px;margin:0 auto}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2.8rem;align-items:center}
.tag-line{font-size:.72rem;color:var(--green-dim);letter-spacing:2.5px;margin-bottom:1.3rem}
.dot-live{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse 1.5s infinite;margin-right:.5rem;vertical-align:middle}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

.glitch{
  font-weight:800;font-size:clamp(2.2rem,6.5vw,4.6rem);
  line-height:1.04;color:var(--green);letter-spacing:-1.5px;position:relative;
  text-shadow:0 0 24px rgba(61,255,115,.22);
}
.glitch::before,.glitch::after{
  content:attr(data-text);position:absolute;inset:0;overflow:hidden;pointer-events:none;
}
.glitch::before{color:var(--magenta);clip-path:inset(0 0 58% 0);animation:gl1 3.6s infinite linear alternate;opacity:.85}
.glitch::after{color:var(--cyan);clip-path:inset(58% 0 0 0);animation:gl2 2.9s infinite linear alternate;opacity:.85}
@keyframes gl1{0%,88%,100%{transform:translate(0)}92%{transform:translate(-3px,1px)}96%{transform:translate(2px,-1px)}}
@keyframes gl2{0%,90%,100%{transform:translate(0)}93%{transform:translate(2px,-1px)}97%{transform:translate(-2px,1px)}}

.hero-sub{margin-top:1.5rem;color:var(--txt-dim);font-size:.95rem;max-width:560px}
.hi{color:var(--cyan)}
.hero-cta{margin-top:2rem;display:flex;gap:.8rem;flex-wrap:wrap}
.btn-primary,.btn-ghost{font-size:.85rem;text-decoration:none;padding:.7rem 1.15rem;border-radius:4px;transition:all .2s;border:1px solid}
.btn-primary{background:rgba(61,255,115,.1);border-color:var(--green);color:var(--green)}
.btn-primary:hover{background:var(--green);color:#06120a;box-shadow:0 0 24px rgba(61,255,115,.35)}
.btn-ghost{border-color:var(--line);color:var(--txt-dim)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}

.terminal-mini{
  background:var(--panel2);border:1px solid var(--line);border-radius:8px;overflow:hidden;
  box-shadow:0 20px 60px rgba(0,0,0,.5),0 0 1px var(--green-dim) inset;
}
.tm-bar{display:flex;align-items:center;gap:.4rem;padding:.5rem .75rem;background:#0b120d;border-bottom:1px solid var(--line)}
.tm-dot{width:11px;height:11px;border-radius:50%;display:inline-block}
.tm-dot.r{background:#ff5c56}.tm-dot.y{background:#ffbd2e}.tm-dot.g{background:#27c93f}
.tm-title{margin-left:.5rem;font-size:.72rem;color:var(--txt-faint)}
.tm-body{padding:1rem 1.1rem;font-size:.78rem;color:var(--green);min-height:220px;white-space:pre-wrap;line-height:1.7}

.stat-row{
  margin-top:3.4rem;display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  border-top:1px solid var(--line);padding-top:1.6rem;
}
.stat{text-align:left;padding:0 1rem;border-left:1px solid var(--line)}
.stat:first-child{border-left:none;padding-left:0}
.stat-val{font-size:1.75rem;font-weight:700;color:var(--green);font-variant-numeric:tabular-nums}
.stat-lbl{font-size:.64rem;color:var(--txt-faint);letter-spacing:1.2px;text-transform:uppercase;margin-top:.25rem}

/* ---------- sections ---------- */
.section{position:relative;z-index:2;padding:5rem 1.6rem;max-width:1200px;margin:0 auto}
.section.alt{background:linear-gradient(180deg,transparent,rgba(13,17,14,.65) 20%,rgba(13,17,14,.65) 80%,transparent)}
.section-head{margin-bottom:2.6rem}
.sec-num{font-size:.78rem;color:var(--txt-faint);letter-spacing:3px}
.sec-title{font-size:clamp(1.7rem,4.2vw,2.7rem);font-weight:800;margin:.35rem 0 .7rem;color:var(--txt);letter-spacing:-.5px}
.sec-accent{color:var(--green)}
.sec-desc{color:var(--txt-dim);max-width:640px;font-size:.92rem}
.sec-desc code{color:var(--green);background:rgba(61,255,115,.08);padding:.05rem .35rem;border-radius:3px;font-size:.85em}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.1rem}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:1.5rem;
  position:relative;transition:border-color .25s,transform .25s,box-shadow .25s;overflow:hidden;
}
.card::before{content:"";position:absolute;top:0;left:0;width:3px;height:100%;background:var(--green-dim);opacity:.5;transition:all .25s}
.card:hover{border-color:var(--line-hi);transform:translateY(-3px);box-shadow:0 12px 36px rgba(0,0,0,.45)}
.card:hover::before{background:var(--green);box-shadow:0 0 14px var(--green);opacity:1}
.card-tag{position:absolute;top:1rem;right:1rem;font-size:.6rem;letter-spacing:1.5px;color:var(--green);border:1px solid var(--green-dim);border-radius:3px;padding:.12rem .45rem}
.card-tag.qc{color:var(--cyan);border-color:rgba(63,216,255,.4)}
.card h3{font-size:1.05rem;color:var(--txt);margin:.3rem 0 .55rem;font-weight:700}
.card p{font-size:.82rem;color:var(--txt-dim);margin-bottom:.9rem}
.code{
  font-size:.74rem;color:var(--green);background:#060b08;border:1px solid var(--line);border-radius:4px;
  padding:.75rem .8rem;overflow-x:auto;white-space:pre;line-height:1.55;
}

/* ---------- deep dive ---------- */
.deep-dive{
  margin-top:3.2rem;display:grid;grid-template-columns:1.1fr .9fr;gap:2.4rem;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:2.2rem;position:relative;
}
.deep-dive::before{content:"";position:absolute;top:-1px;left:2rem;right:2rem;height:1px;background:linear-gradient(90deg,transparent,var(--green-dim),transparent);opacity:.6}
.dd-label{font-size:.66rem;letter-spacing:2.5px;color:var(--magenta)}
.dd-left h3{font-size:1.55rem;color:var(--txt);margin:.45rem 0 1rem;letter-spacing:-.5px}
.dd-left p{font-size:.88rem;color:var(--txt-dim);margin-bottom:.9rem}
.dd-left .math{color:var(--cyan);font-size:.92rem;padding:.7rem .9rem;background:#060b08;border:1px solid var(--line);border-radius:4px}
.dd-right{display:flex;justify-content:center}
.block-viz{width:100%;max-width:340px}
.spark{width:100%;height:200px}

/* ---------- papers ---------- */
.paper-filter{display:flex;gap:.5rem;margin-top:1.2rem;flex-wrap:wrap}
.pf{font-family:var(--mono);font-size:.74rem;background:transparent;border:1px solid var(--line);color:var(--txt-dim);padding:.4rem .85rem;border-radius:3px;cursor:pointer;transition:all .2s}
.pf:hover{border-color:var(--green-dim);color:var(--green)}
.pf.active{background:rgba(61,255,115,.1);border-color:var(--green);color:var(--green)}

.papers{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:1.1rem}
.paper{
  display:flex;flex-direction:column;text-decoration:none;background:var(--panel);
  border:1px solid var(--line);border-radius:6px;padding:1.5rem;transition:border-color .25s,transform .25s,box-shadow .25s;position:relative;overflow:hidden;
}
.paper::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:var(--green-dim);opacity:.55;transition:opacity .25s}
.paper.qt::before{background:var(--cyan);opacity:.35}
.paper:hover{border-color:var(--line-hi);transform:translateY(-3px);box-shadow:0 12px 36px rgba(0,0,0,.45)}
.paper:hover::before{opacity:1}
.p-head{display:flex;align-items:center;gap:.6rem;margin-bottom:.8rem}
.p-idx{font-size:.68rem;color:var(--txt-faint);font-weight:700}
.p-cat{font-size:.6rem;letter-spacing:1.5px;color:var(--green-dim);flex:1}
.paper.qt .p-cat{color:rgba(63,216,255,.6)}
.p-arrow{color:var(--txt-faint);font-size:1rem;transition:all .2s}
.paper:hover .p-arrow{color:var(--green);transform:translateX(3px)}
.paper h3{font-size:.97rem;color:var(--txt);line-height:1.4;margin-bottom:.45rem;font-weight:700}
.p-auth{font-size:.75rem;color:var(--cyan);margin-bottom:.65rem}
.p-abs{font-size:.8rem;color:var(--txt-dim);flex:1}
.p-foot{margin-top:1rem;display:flex;gap:.4rem;flex-wrap:wrap}
.p-foot span{font-size:.6rem;color:var(--txt-faint);border:1px solid var(--line);border-radius:3px;padding:.12rem .45rem}

/* ---------- big terminal ---------- */
.bigterm{max-width:960px;margin:0 auto;background:var(--panel2);border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.bt-bar{display:flex;align-items:center;gap:.4rem;padding:.6rem .85rem;background:#0b120d;border-bottom:1px solid var(--line)}
.bt-title{margin-left:.5rem;font-size:.74rem;color:var(--txt-faint)}
.bt-body{padding:1.2rem 1.3rem;font-size:.85rem;color:var(--green);height:420px;overflow-y:auto;cursor:text;line-height:1.6}
.bt-body .cmd{color:var(--cyan)}
.bt-body .out{color:var(--txt-dim);white-space:pre-wrap}
.bt-body .err{color:var(--red)}
.bt-inputline{display:flex;align-items:center;gap:.55rem}
.bt-prompt{color:var(--cyan);font-weight:700}
#btInput{
  flex:1;background:transparent;border:none;outline:none;color:var(--green);
  font-family:var(--mono);font-size:.85rem;caret-color:var(--green);
}

/* ---------- status ---------- */
.status-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.1rem}
.status-card{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:1.4rem;transition:border-color .25s}
.status-card:hover{border-color:var(--line-hi)}
.sc-head{display:flex;align-items:center;gap:.55rem;font-size:.74rem;letter-spacing:1.2px;color:var(--txt);margin-bottom:1.1rem;font-weight:700}
.sc-dot{width:9px;height:9px;border-radius:50%}
.sc-dot.ok{background:var(--green);box-shadow:0 0 9px var(--green)}
.sc-dot.warn{background:var(--amber);box-shadow:0 0 9px var(--amber)}
.sc-row{display:flex;justify-content:space-between;font-size:.78rem;color:var(--txt-dim);padding:.3rem 0;border-bottom:1px dashed var(--line)}
.sc-row:last-of-type{border-bottom:none}
.sc-val{color:var(--cyan);font-weight:500;font-variant-numeric:tabular-nums}
.sc-val.up{color:var(--green)}
.sc-bar{height:4px;background:#060b08;border-radius:2px;margin-top:1rem;overflow:hidden}
.sc-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--green-dim),var(--green));border-radius:2px;transition:width 1.2s cubic-bezier(.2,.8,.2,1)}

.ascii-foot{margin-top:3.4rem;text-align:center;color:var(--green-dim);font-size:.68rem;overflow-x:auto;opacity:.8}
.ascii-foot pre{display:inline-block;text-align:left}

/* ---------- footer ---------- */
.footer{position:relative;z-index:2;border-top:1px solid var(--line);padding:1.5rem 1.6rem;background:#060a07}
.foot-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;font-size:.72rem;color:var(--txt-faint)}
.foot-meta{color:var(--green-dim)}

.noscript-note{position:fixed;bottom:0;left:0;right:0;z-index:210;background:var(--amber);color:#241a00;text-align:center;font-size:.8rem;padding:.5rem}

/* ---------- reveal (JS toggles .rv-in) ---------- */
.rv{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.rv-in{opacity:1;transform:translateY(0)}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:2.2rem}
  .stat-row{grid-template-columns:repeat(3,1fr);row-gap:1.2rem}
  .stat:nth-child(4){border-left:none;padding-left:0}
  .deep-dive{grid-template-columns:1fr;padding:1.6rem}
  .dd-right{display:none}
}
@media(max-width:600px){
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(odd){border-left:none;padding-left:0}
  .nav-links{display:none}
  .section{padding:3.5rem 1.2rem}
  .hero{padding:3rem 1.2rem 1.5rem}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  .ticker-track{animation:none}
  .glitch::before,.glitch::after{animation:none;opacity:0}
  .cursor-blink,.dot-live{animation:none}
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}