:root {
  --c-bg: #050505;
  --c-surface: #0c0c0c;
  --c-surface-2: #111110;
  --c-line: #2a2a28;
  --c-line-strong: #62625e;
  --c-text: #f4f4f2;
  --c-text-2: #bcbcb7;
  --c-muted: #858580;
  --c-dim: #62625e;
  --font-display: "Space Grotesk", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  --font-body: Inter, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --container: 86rem;
  --gutter: clamp(1.1rem, 4vw, 4.5rem);
  --header-h: 74px;
  --radius: 2px;
  --dur-fast: 140ms;
  --dur: 360ms;
  --dur-slow: 760ms;
  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-standard: cubic-bezier(.2,.7,.2,1);
}
* { box-sizing: border-box; }
html { background: var(--c-bg); color-scheme: dark; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body { margin: 0; min-width: 320px; background: var(--c-bg); color: var(--c-text); font-family: var(--font-body); line-height: 1.55; -webkit-font-smoothing: antialiased; }
body::after { content:""; position:fixed; inset:0; pointer-events:none; background:url('/assets/img/ui/noise.svg'); opacity:.12; mix-blend-mode:soft-light; z-index:999; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
img, svg { display:block; max-width:100%; }
::selection { background:#f4f4f2; color:#050505; }
:focus-visible { outline:2px solid var(--c-text); outline-offset:4px; }
.skip-link { position:fixed; left:1rem; top:1rem; z-index:1200; padding:.8rem 1rem; background:var(--c-text); color:var(--c-bg); transform:translateY(-200%); transition:transform var(--dur-fast); }
.skip-link:focus { transform:none; }
.shell { width:min(100% - 2*var(--gutter), var(--container)); margin-inline:auto; }
.mono, .eyebrow, .badge, .tag, .project-code, .fact dt, .kicker, .register-head, .system-label, .footer-meta { font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.11em; }
.eyebrow, .kicker { color:var(--c-muted); font-size:.72rem; }
.lede { max-width:48rem; color:var(--c-text-2); font-size:clamp(1.05rem,1.8vw,1.35rem); line-height:1.55; }
.section { padding:clamp(5.5rem,10vw,9rem) 0; border-top:1px solid var(--c-line); }
.section-head { display:grid; grid-template-columns:minmax(0,1fr) auto; align-items:end; gap:2rem; margin-bottom:3rem; }
.section-head h2 { margin:0; font:500 clamp(2.4rem,5vw,5.5rem)/.95 var(--font-display); letter-spacing:-.055em; }
.section-head p { margin:0; max-width:32rem; color:var(--c-muted); }
.text-link { display:inline-flex; align-items:center; gap:.55rem; color:var(--c-text); font-family:var(--font-mono); font-size:.74rem; text-transform:uppercase; letter-spacing:.11em; }
.text-link::after { content:'↗'; transition:transform var(--dur) var(--ease-out); }
.text-link:hover::after { transform:translate(4px,-4px); }
.rule { height:1px; background:var(--c-line); }

/* Header */
.progress-rail { position:fixed; top:0; left:0; right:0; z-index:1001; height:1px; background:transparent; }
.progress-bar { display:block; width:100%; height:100%; background:var(--c-text); transform:scaleX(0); transform-origin:left; }
.site-header { position:sticky; top:0; z-index:1000; height:var(--header-h); border-bottom:1px solid rgba(42,42,40,.82); background:rgba(5,5,5,.94); backdrop-filter:blur(14px); }
.header-inner { height:100%; display:flex; align-items:center; justify-content:space-between; gap:2rem; }
.brand { display:inline-flex; align-items:center; gap:.95rem; min-height:44px; }
.brand img { width:60px; height:20px; }
.brand-name { font:500 .88rem/1 var(--font-display); letter-spacing:-.02em; }
.site-nav { display:flex; align-items:center; gap:1.7rem; }
.site-nav a { position:relative; min-height:44px; display:grid; place-items:center; color:var(--c-text-2); font-size:.83rem; }
.site-nav a::after { content:""; position:absolute; left:0; right:100%; bottom:5px; height:1px; background:var(--c-text); transition:right var(--dur-fast) ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color:var(--c-text); }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { right:0; }
.header-status { display:flex; align-items:center; gap:.55rem; color:var(--c-muted); font:500 .67rem/1 var(--font-mono); letter-spacing:.1em; text-transform:uppercase; white-space:nowrap; }
.header-status i { width:6px; height:6px; border:1px solid var(--c-text-2); border-radius:50%; display:block; }
.nav-toggle { display:none; min-width:44px; min-height:44px; background:none; border:1px solid var(--c-line); font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; }

/* Boot */
.boot { position:fixed; inset:0; z-index:1100; display:grid; place-items:center; background:var(--c-bg); animation:boot-exit 1.55s var(--ease-standard) forwards; }
.boot-inner { width:min(78vw,520px); }
.boot-mark { width:150px; margin-bottom:2rem; }
.boot-mark img { width:100%; }
.boot-title { margin:0 0 .45rem; font:500 clamp(1.2rem,2vw,1.6rem)/1.1 var(--font-display); letter-spacing:-.025em; }
.boot-sub, .boot-meta { color:var(--c-muted); font:.68rem/1.4 var(--font-mono); text-transform:uppercase; letter-spacing:.1em; }
.boot-track { height:1px; margin:1.6rem 0 .65rem; overflow:hidden; background:var(--c-line); }
.boot-progress { height:100%; background:var(--c-text); transform-origin:left; animation:boot-progress 1.08s var(--ease-standard) .08s both; }
.boot-meta { display:flex; justify-content:space-between; }
.boot-skip .boot { display:none; }
@keyframes boot-progress { from { transform:scaleX(0); } to { transform:scaleX(1); } }
@keyframes boot-exit { 0%,78% { opacity:1; visibility:visible; } 100% { opacity:0; visibility:hidden; pointer-events:none; } }

/* Hero */
.hero { min-height:calc(100svh - var(--header-h)); display:grid; align-items:center; padding:clamp(4rem,8vw,7rem) 0; overflow:hidden; }
.hero-grid { display:grid; grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr); gap:clamp(3rem,7vw,8rem); align-items:center; }
.hero h1 { max-width:850px; margin:1.25rem 0 1.8rem; font:500 clamp(4.2rem,9vw,8.7rem)/.86 var(--font-display); letter-spacing:-.075em; }
.hero h1 span { color:var(--c-muted); }
.hero-copy { max-width:650px; margin:0 0 2.2rem; color:var(--c-text-2); font-size:clamp(1.08rem,1.8vw,1.35rem); }
.actions { display:flex; flex-wrap:wrap; gap:.8rem; }
.button { min-height:48px; display:inline-flex; align-items:center; justify-content:center; gap:.65rem; padding:.8rem 1.1rem; border:1px solid var(--c-line-strong); background:transparent; font:500 .72rem/1 var(--font-mono); text-transform:uppercase; letter-spacing:.1em; transition:background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast); }
.button.primary { background:var(--c-text); color:var(--c-bg); border-color:var(--c-text); }
.button:hover { transform:translateY(-1px); background:var(--c-surface-2); }
.button.primary:hover { background:#d9d9d5; }
.hero-system { position:relative; aspect-ratio:1/1; min-height:410px; border:1px solid var(--c-line); background-color:#070707; background-image:url('/assets/img/ui/grid.svg'); overflow:hidden; }
.hero-system::before, .hero-system::after { content:""; position:absolute; background:var(--c-line-strong); opacity:.65; }
.hero-system::before { width:1px; top:0; bottom:0; left:50%; }
.hero-system::after { height:1px; left:0; right:0; top:50%; }
.system-top { position:absolute; inset:1.25rem 1.25rem auto; display:flex; justify-content:space-between; z-index:2; }
.system-label { color:var(--c-muted); font-size:.65rem; }
.system-canvas { position:absolute; inset:13%; }
.system-canvas svg { width:100%; height:100%; overflow:visible; }
.orbit, .trace, .node-line { fill:none; stroke:var(--c-line-strong); stroke-width:1; vector-effect:non-scaling-stroke; }
.trace { stroke:var(--c-text-2); stroke-dasharray:7 12; animation:dash 14s linear infinite; }
.node { fill:var(--c-bg); stroke:var(--c-text); stroke-width:1.5; }
.node-core { fill:var(--c-text); }
@keyframes dash { to { stroke-dashoffset:-190; } }
.system-foot { position:absolute; left:1.25rem; right:1.25rem; bottom:1.25rem; display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; }
.sys-stat { padding-top:.75rem; border-top:1px solid var(--c-line); }
.sys-stat strong { display:block; font:500 1.05rem/1 var(--font-display); }
.sys-stat span { display:block; margin-top:.35rem; color:var(--c-muted); font:.6rem/1.2 var(--font-mono); text-transform:uppercase; letter-spacing:.08em; }
.cap-strip { border-top:1px solid var(--c-line); border-bottom:1px solid var(--c-line); }
.cap-row { display:grid; grid-template-columns:repeat(4,1fr); }
.cap { min-height:128px; padding:1.45rem; border-left:1px solid var(--c-line); display:flex; flex-direction:column; justify-content:space-between; }
.cap:first-child { border-left:0; }
.cap span { color:var(--c-muted); font:.65rem/1 var(--font-mono); letter-spacing:.1em; text-transform:uppercase; }
.cap strong { font:500 clamp(1.15rem,2vw,1.55rem)/1.1 var(--font-display); letter-spacing:-.03em; }

/* Cards */
.card-grid { display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--c-line); border-left:1px solid var(--c-line); }
.card { min-height:360px; padding:2rem; border-right:1px solid var(--c-line); border-bottom:1px solid var(--c-line); display:flex; flex-direction:column; justify-content:space-between; gap:3rem; background:var(--c-bg); transition:background var(--dur-fast); }
.card:hover { background:var(--c-surface); }
.card-top { display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.badge { display:inline-flex; align-items:center; min-height:26px; padding:.35rem .5rem; border:1px solid var(--c-line-strong); color:var(--c-text-2); font-size:.6rem; }
.card-arrow { color:var(--c-muted); font-size:1.1rem; transition:transform var(--dur) var(--ease-out), color var(--dur-fast); }
.card:hover .card-arrow { transform:translate(5px,-5px); color:var(--c-text); }
.card h3 { margin:2.4rem 0 .8rem; font:500 clamp(1.9rem,3vw,3rem)/1 var(--font-display); letter-spacing:-.045em; }
.card p { margin:0; color:var(--c-muted); max-width:30rem; }
.tag-row { display:flex; flex-wrap:wrap; gap:.55rem; }
.tag { padding:.3rem .45rem; border:1px solid var(--c-line); color:var(--c-muted); font-size:.58rem; }

/* Rows / registers */
.register { border-top:1px solid var(--c-line); }
.register-row { display:grid; grid-template-columns:110px minmax(220px,1.1fr) minmax(260px,1.6fr) 150px 30px; gap:1.5rem; align-items:center; min-height:112px; padding:1.25rem 0; border-bottom:1px solid var(--c-line); transition:padding var(--dur) var(--ease-out), background var(--dur-fast); }
.register-row:hover { padding-left:1rem; padding-right:1rem; background:var(--c-surface); }
.register-row .id { color:var(--c-muted); font:.62rem/1 var(--font-mono); letter-spacing:.08em; }
.register-row .name { font:500 clamp(1.25rem,2vw,1.7rem)/1.1 var(--font-display); letter-spacing:-.03em; }
.register-row .desc { color:var(--c-muted); font-size:.94rem; }
.register-row .state { color:var(--c-text-2); font:.62rem/1 var(--font-mono); text-transform:uppercase; letter-spacing:.08em; }
.register-row .arrow { color:var(--c-muted); }
.split { display:grid; grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr); gap:clamp(3rem,8vw,9rem); align-items:start; }
.split h2, .split h3 { margin:0; font:500 clamp(2.8rem,5vw,5.7rem)/.96 var(--font-display); letter-spacing:-.055em; }
.prose { max-width:46rem; color:var(--c-text-2); }
.prose p { margin:0 0 1.25rem; }
.prose strong { color:var(--c-text); font-weight:500; }
.principles { margin:2.5rem 0 0; padding:0; list-style:none; border-top:1px solid var(--c-line); }
.principles li { display:grid; grid-template-columns:80px 1fr; gap:1rem; padding:1.1rem 0; border-bottom:1px solid var(--c-line); }
.principles b { color:var(--c-muted); font:.64rem/1.4 var(--font-mono); letter-spacing:.08em; text-transform:uppercase; }
.principles span { color:var(--c-text-2); }

/* Page hero */
.page-hero { padding:clamp(5rem,10vw,9rem) 0 clamp(4rem,7vw,6rem); }
.page-hero h1 { max-width:1000px; margin:1rem 0 1.5rem; font:500 clamp(4rem,9vw,8.2rem)/.88 var(--font-display); letter-spacing:-.07em; }
.page-hero .lede { margin:0; }
.project-mast { display:grid; grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr); gap:clamp(3rem,8vw,8rem); align-items:end; }
.project-code { color:var(--c-muted); font-size:.7rem; }
.facts { margin:0; border-top:1px solid var(--c-line); }
.fact { display:grid; grid-template-columns:120px 1fr; gap:1rem; padding:1rem 0; border-bottom:1px solid var(--c-line); }
.fact dt { color:var(--c-muted); font-size:.61rem; }
.fact dd { margin:0; color:var(--c-text-2); font-size:.9rem; }
.metric-grid { display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--c-line); border-left:1px solid var(--c-line); }
.metric { min-height:180px; padding:1.5rem; border-right:1px solid var(--c-line); border-bottom:1px solid var(--c-line); display:flex; flex-direction:column; justify-content:space-between; }
.metric span { color:var(--c-muted); font:.62rem/1 var(--font-mono); text-transform:uppercase; letter-spacing:.08em; }
.metric strong { font:500 clamp(1.8rem,3vw,3.3rem)/1 var(--font-display); letter-spacing:-.04em; }
.feature-grid { display:grid; grid-template-columns:repeat(2,1fr); border-top:1px solid var(--c-line); border-left:1px solid var(--c-line); }
.feature { min-height:260px; padding:2rem; border-right:1px solid var(--c-line); border-bottom:1px solid var(--c-line); }
.feature .num { color:var(--c-muted); font:.64rem/1 var(--font-mono); }
.feature h3 { margin:2.2rem 0 .8rem; font:500 1.8rem/1.05 var(--font-display); letter-spacing:-.035em; }
.feature p { margin:0; color:var(--c-muted); }

/* Contact */
.contact-block { border-top:1px solid var(--c-line); }
.contact-row { display:grid; grid-template-columns:180px 1fr auto; gap:2rem; align-items:center; padding:1.4rem 0; border-bottom:1px solid var(--c-line); }
.contact-row .label { color:var(--c-muted); font:.62rem/1 var(--font-mono); text-transform:uppercase; letter-spacing:.08em; }
.contact-row .value { font:500 clamp(1.1rem,2vw,1.5rem)/1.1 var(--font-display); }
.contact-row .go { color:var(--c-muted); }

/* Footer */
.site-footer { border-top:1px solid var(--c-line); padding:3rem 0 2rem; }
.footer-top { display:grid; grid-template-columns:1fr auto; gap:2rem; align-items:end; }
.footer-brand { font:500 clamp(1.8rem,4vw,4rem)/1 var(--font-display); letter-spacing:-.055em; }
.footer-nav { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:1.1rem 1.7rem; }
.footer-nav a { color:var(--c-muted); font-size:.85rem; }
.footer-nav a:hover { color:var(--c-text); }
.footer-meta { display:flex; justify-content:space-between; gap:2rem; margin-top:4rem; padding-top:1rem; border-top:1px solid var(--c-line); color:var(--c-dim); font-size:.58rem; }

/* Reveal */
.reveal-ready [data-reveal] { opacity:0; transform:translateY(18px); transition:opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal-ready [data-reveal].is-revealed { opacity:1; transform:none; }
.reveal-ready [data-reveal][data-delay="1"] { transition-delay:80ms; }
.reveal-ready [data-reveal][data-delay="2"] { transition-delay:160ms; }
.reveal-ready [data-reveal][data-delay="3"] { transition-delay:240ms; }

@media (max-width: 1000px) {
  .hero-grid, .project-mast, .split { grid-template-columns:1fr; }
  .hero-system { min-height:460px; max-width:680px; width:100%; }
  .card-grid { grid-template-columns:repeat(2,1fr); }
  .metric-grid { grid-template-columns:repeat(2,1fr); }
  .register-row { grid-template-columns:90px 1fr 1.5fr 100px 24px; }
}
@media (max-width: 760px) {
  :root { --header-h: 64px; }
  .header-status { display:none; }
  .nav-toggle { display:grid; place-items:center; }
  .site-nav { position:absolute; top:calc(100% + 1px); left:0; right:0; padding:.8rem var(--gutter) 1rem; display:none; grid-template-columns:1fr; gap:0; background:var(--c-bg); border-bottom:1px solid var(--c-line); }
  .site-nav.is-open { display:grid; }
  .site-nav a { justify-items:start; border-bottom:1px solid var(--c-line); min-height:52px; }
  .site-nav a:last-child { border-bottom:0; }
  .section-head { grid-template-columns:1fr; align-items:start; }
  .hero { min-height:auto; padding:4rem 0 5rem; }
  .hero h1 { font-size:clamp(3.4rem,17vw,6.2rem); }
  .hero-system { min-height:380px; }
  .cap-row { grid-template-columns:repeat(2,1fr); }
  .cap:nth-child(3) { border-left:0; border-top:1px solid var(--c-line); }
  .cap:nth-child(4) { border-top:1px solid var(--c-line); }
  .card-grid, .feature-grid { grid-template-columns:1fr; }
  .card { min-height:310px; }
  .register-row { grid-template-columns:72px 1fr 24px; gap:1rem; min-height:98px; }
  .register-row .desc, .register-row .state { display:none; }
  .page-hero h1 { font-size:clamp(3.4rem,17vw,6rem); }
  .metric-grid { grid-template-columns:1fr 1fr; }
  .contact-row { grid-template-columns:1fr auto; gap:.6rem 1rem; }
  .contact-row .label { grid-column:1/-1; }
  .footer-top { grid-template-columns:1fr; }
  .footer-nav { justify-content:flex-start; }
  .footer-meta { flex-direction:column; gap:.5rem; }
}
@media (max-width: 500px) {
  .brand-name { display:none; }
  .hero-system { min-height:330px; }
  .system-foot { gap:.5rem; }
  .sys-stat strong { font-size:.9rem; }
  .metric-grid { grid-template-columns:1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  .boot { display:none !important; }
  .reveal-ready [data-reveal] { opacity:1 !important; transform:none !important; }
}