:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #080b0a;
  --panel: #0e1210;
  --text: #f4f6f3;
  --muted: #a0aaa4;
  --quiet: #6f7a74;
  --line: rgba(224, 255, 236, 0.13);
  --line-strong: rgba(224, 255, 236, 0.24);
  --lime: #c8ff5b;
  --mint: #63efb3;
  --blue: #7595ff;
  --max: 1240px;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: linear-gradient(rgba(200,255,91,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(200,255,91,.025) 1px,transparent 1px),radial-gradient(circle at 82% 8%,rgba(117,149,255,.15),transparent 26rem),var(--bg); background-size: 72px 72px,72px 72px,auto,auto; color: var(--text); }
a { color: inherit; }
.site-header, main, footer { width: min(var(--max), calc(100% - 3rem)); margin-inline: auto; }
.site-header { display: grid; min-height: 92px; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .72rem; font-weight: 850; text-decoration: none; }
.brand-mark { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(200,255,91,.55); background: rgba(200,255,91,.07); color: var(--lime); font-size: .76rem; font-weight: 900; transform: rotate(-4deg); }
nav { display: flex; gap: 1.7rem; }
nav a, .back-link { color: var(--muted); font-size: .78rem; font-weight: 750; text-decoration: none; }
.back-link { justify-self: end; padding: .65rem .9rem; border: 1px solid var(--line-strong); color: var(--text); }
nav a:hover, .back-link:hover, footer a:hover { color: var(--lime); }
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(3rem,8vw,8rem); align-items: center; padding: clamp(5rem,10vw,9rem) 0; }
.eyebrow { display: flex; align-items: center; gap: .65rem; margin: 0 0 1.2rem; color: var(--mint); font-size: .68rem; font-weight: 900; letter-spacing: .18em; }
.eyebrow span { width: 1.7rem; height: 1px; background: currentColor; }
h1,h2,h3,p { margin-top: 0; }
h1 { max-width: 11ch; margin-bottom: 1.6rem; font-size: clamp(3.5rem,8vw,7rem); line-height: .92; letter-spacing: -.07em; }
h2 { max-width: 13ch; margin: 0; font-size: clamp(2.4rem,5vw,4.7rem); line-height: .98; letter-spacing: -.055em; }
h3 { margin-bottom: 1rem; font-size: 1.6rem; letter-spacing: -.035em; }
.lede { max-width: 47rem; margin-bottom: 0; color: var(--muted); font-size: 1.12rem; line-height: 1.75; }
.lab-rule { padding: 2rem; border: 1px solid var(--line-strong); border-left: 3px solid var(--lime); background: rgba(14,18,16,.92); }
.lab-rule span, .card-top { color: var(--blue); font-size: .65rem; font-weight: 900; letter-spacing: .14em; }
.lab-rule strong { display: block; margin: 2rem 0 .7rem; font-size: 1.65rem; }
.lab-rule p { margin: 0; color: var(--muted); line-height: 1.65; }
.stage-section,.experiments-section,.separation-section { padding: clamp(5rem,10vw,8rem) 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: .55fr 1.45fr; gap: 3rem; margin-bottom: 3rem; }
.stage-grid { display: grid; grid-template-columns: repeat(4,1fr); margin: 0; padding: 0; border: 1px solid var(--line); list-style: none; }
.stage-grid li { min-height: 220px; padding: 1.6rem; border-right: 1px solid var(--line); background: rgba(14,18,16,.78); }
.stage-grid li:last-child { border-right: 0; }
.stage-grid span { color: var(--blue); font-size: .68rem; font-weight: 900; }
.stage-grid strong { display: block; margin: 3rem 0 .7rem; }
.stage-grid p,.experiment-grid p,.experiment-grid li,.gate-list { color: var(--muted); line-height: 1.65; }
.stage-grid p { margin: 0; font-size: .82rem; }
.experiment-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.experiment-grid article { min-height: 420px; padding: 1.8rem; border: 1px solid var(--line); background: rgba(14,18,16,.88); }
.card-top { display: flex; justify-content: space-between; gap: 1rem; color: var(--quiet); }
.card-top i { padding: .35rem .45rem; border: 1px solid rgba(117,149,255,.35); color: var(--blue); font-style: normal; }
.experiment-grid h3 { margin-top: 4rem; }
.experiment-grid ul { margin: 2rem 0 0; padding: 0; list-style: none; }
.experiment-grid li { padding: .8rem 0; border-top: 1px solid var(--line); font-size: .82rem; }
.separation-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(3rem,9vw,9rem); }
.gate-list > p { margin-bottom: 1.5rem; }
.gate-list ul { margin: 0; padding: 0; list-style: none; }
.gate-list li { padding: 1rem 0; border-top: 1px solid var(--line); }
footer { display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem; align-items: center; padding: 3rem 0 4rem; border-top: 1px solid var(--line); color: var(--quiet); font-size: .75rem; }
footer a { font-weight: 800; text-decoration: none; }
footer a:last-child { justify-self: end; }
a:focus-visible { outline: 3px solid rgba(200,255,91,.25); outline-offset: 3px; }
@media (max-width: 900px) { .site-header { grid-template-columns: 1fr auto; } nav { display: none; } .hero,.section-heading,.separation-section { grid-template-columns: 1fr; } .stage-grid { grid-template-columns: repeat(2,1fr); } .stage-grid li:nth-child(2) { border-right: 0; } .stage-grid li:nth-child(-n+2) { border-bottom: 1px solid var(--line); } .experiment-grid { grid-template-columns: 1fr; } }
@media (max-width: 620px) { .site-header,main,footer { width: min(100% - 1.5rem,var(--max)); } .site-header { min-height: 76px; } .brand-mark { width: 36px; height: 36px; } .back-link { padding: .55rem .65rem; font-size: .7rem; } h1 { font-size: clamp(3.2rem,16vw,5rem); } .stage-grid { grid-template-columns: 1fr; } .stage-grid li,.stage-grid li:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); } .stage-grid li:last-child { border-bottom: 0; } footer { grid-template-columns: 1fr; } footer a:last-child { justify-self: start; } }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }