:root {
  color-scheme: dark;
  --bg: #050a14;
  --panel: rgba(9, 18, 33, 0.9);
  --panel-2: rgba(16, 30, 52, 0.9);
  --line: rgba(132, 175, 255, 0.15);
  --text: #eef5ff;
  --muted: #9cb2d3;
  --cyan: #69d8ff;
  --violet: #8f8cff;
  --green: #7cf0b3;
  --amber: #ffd46f;
  --red: #ff8196;
  --shadow: 0 24px 64px rgba(0,0,0,.32);
  --radius: 30px;
}
*{box-sizing:border-box}
html,body{
  margin:0;
  min-height:100%;
  background:
    radial-gradient(circle at 18% 0%, rgba(105,216,255,.14), transparent 26%),
    radial-gradient(circle at 84% 2%, rgba(143,140,255,.18), transparent 24%),
    linear-gradient(180deg,#06101d 0%,#030711 100%);
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  overscroll-behavior-y:none;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:40px 40px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.95), transparent 96%);
}
.page-shell{
  width:min(1220px, calc(100vw - 32px));
  margin:0 auto;
  padding:28px 0 64px;
  display:grid;
  gap:18px;
}
.panel{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(12,22,39,.94), rgba(7,13,24,.96));
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
}
.panel::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(120deg, rgba(255,255,255,.04), transparent 24%, transparent 74%, rgba(105,216,255,.06));
}
.inset{
  border-radius:24px;
  border:1px solid rgba(160,198,255,.12);
  background:linear-gradient(180deg, rgba(20,34,58,.86), rgba(10,20,35,.92));
}
.hero-shell,.closing-panel{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:20px;
  padding:28px;
}
section.panel:not(.hero-shell):not(.closing-panel){padding:24px}
.eyebrow,.section-kicker,.mini-label{
  margin:0 0 10px;
  color:var(--cyan);
  letter-spacing:.16em;
  text-transform:uppercase;
  font-size:12px;
}
h1,h2,h3,p,ul{margin:0}
h1{font-size:clamp(2.5rem,5vw,5rem);line-height:.96;max-width:10ch}
h2{font-size:clamp(1.6rem,2.7vw,2.9rem);margin-bottom:8px}
h3{font-size:clamp(1.1rem,1.7vw,1.5rem)}
.lede,.section-copy,.slider-note,#scoreBody,#riskBody,#closingBody,.lane-card p,.system-note,.stack-item span{color:var(--muted);line-height:1.65}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  margin-top:24px;
}
.metric-card{
  padding:16px;
  border-radius:22px;
  border:1px solid rgba(160,198,255,.12);
  background:rgba(255,255,255,.03);
  display:grid;
  gap:4px;
}
.metric-card strong{font-size:clamp(1.45rem,2vw,2rem)}
.metric-card span{color:var(--muted);font-size:.92rem}
.hero-console{padding:22px}
.scanner-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.signal-dot{width:10px;height:10px;border-radius:999px;background:var(--green);box-shadow:0 0 16px var(--green)}
.detector-card{
  border-radius:22px;
  padding:16px;
  border:1px solid rgba(160,198,255,.1);
  background:rgba(255,255,255,.03);
}
.detector-track{height:14px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}
.detector-track i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--red),var(--amber),var(--green));border-radius:inherit;box-shadow:0 0 24px rgba(105,216,255,.3)}
.detector-scale{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;margin-top:12px;color:var(--muted);font-size:.9rem}
#detectorReadout{font-size:1.6rem;color:var(--text)}
.lane-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.lane-card{padding:18px;border-radius:22px;border:1px solid rgba(160,198,255,.1);background:rgba(255,255,255,.03)}
.lane-card span{display:block;color:var(--muted);font-size:.84rem}
.lane-card strong{display:block;margin:8px 0 10px;font-size:1.5rem}
.false-first strong{color:var(--red)}
.true-first strong{color:var(--green)}
.section-head{display:grid;gap:4px;margin-bottom:18px}
.section-head.compact{grid-template-columns:1fr auto;align-items:end}
.video-frame video{width:100%;border-radius:22px;border:1px solid rgba(160,198,255,.12);background:#000;max-height:78vh}
.sim-grid,.legibility-shell,.org-grid{display:grid;grid-template-columns:1.02fr 1fr .9fr;gap:14px}
.control-card,.system-card,.score-card,.slider-card,.radar-card,.stack-card,.role-card,.risk-card,.loop-detail{padding:18px}
input[type="range"]{width:100%;margin:14px 0 10px;accent-color:var(--cyan)}
.toggle-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.toggle-btn{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03);color:#d8e7ff;padding:10px 14px;font:inherit;cursor:pointer}
.toggle-btn.is-active{border-color:rgba(105,216,255,.42);background:rgba(105,216,255,.08);box-shadow:inset 0 0 0 1px rgba(105,216,255,.22)}
.pipeline-grid{display:grid;gap:12px}
.pipeline-row{display:grid;grid-template-columns:110px 1fr 52px;gap:10px;align-items:center;color:var(--muted);font-size:.9rem}
.pipeline-bar{height:11px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}
.pipeline-bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--violet))}
.score-ring{width:180px;height:180px;margin:8px auto 18px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%, rgba(105,216,255,.18), rgba(143,140,255,.1) 45%, rgba(255,255,255,.04) 70%);border:1px solid rgba(160,198,255,.15);box-shadow:inset 0 0 0 12px rgba(255,255,255,.02)}
#scoreValue{font-size:2.8rem;font-weight:800}
.score-card h3{text-align:center;margin-bottom:8px}
.score-card p{text-align:center}
.score-line{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center;color:var(--muted);font-size:.9rem}
#legibilityValue{font-size:1.8rem;color:var(--text)}
.radar-grid{display:grid;gap:12px}
.radar-row{display:grid;grid-template-columns:128px 1fr 44px;gap:10px;align-items:center;color:var(--muted);font-size:.88rem}
.radar-row .bar{height:11px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}
.radar-row .bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--amber),var(--green))}
.stack-list{display:grid;gap:12px}
.stack-item{padding:14px;border-radius:18px;border:1px solid rgba(160,198,255,.1);background:rgba(255,255,255,.025)}
.stack-item strong{display:block;margin-bottom:6px}
.loop-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}
.loop-step{cursor:pointer;padding:16px;border-radius:20px;border:1px solid rgba(160,198,255,.1);background:rgba(255,255,255,.03);text-align:left;color:inherit}
.loop-step span{display:block;color:var(--muted);font-size:.82rem;margin-bottom:8px}
.loop-step.is-active{border-color:rgba(124,240,179,.38);box-shadow:inset 0 0 0 1px rgba(124,240,179,.22)}
.role-card ul,.risk-card ul{padding-left:18px;color:#dbe8ff;margin-top:10px}
.role-card h3{margin-bottom:8px}
.role-card p{color:var(--muted)}
.source-link{align-self:end;justify-self:end;color:#dbe8ff;text-decoration:none;padding:12px 16px;border-radius:999px;border:1px solid rgba(160,198,255,.12);background:rgba(255,255,255,.03)}
@media (max-width:980px){
  .hero-shell,.closing-panel,.sim-grid,.legibility-shell,.org-grid,.loop-strip,.lane-grid,.section-head.compact{grid-template-columns:1fr}
  .hero-metrics{grid-template-columns:1fr}
  .source-link{justify-self:start}
}