:root {
  --bg: #080b14;
  --panel: rgba(255,255,255,.075);
  --panel-strong: rgba(255,255,255,.12);
  --text: #f7f8ff;
  --muted: #aeb8d4;
  --line: rgba(255,255,255,.14);
  --brand: #78f0d1;
  --brand-2: #8aa7ff;
  --warn: #ffd166;
  --danger: #ff7a90;
  --shadow: 0 24px 70px rgba(0,0,0,.4);
  --radius: 28px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 5%, rgba(120,240,209,.24), transparent 34rem),
    radial-gradient(circle at 88% 12%, rgba(138,167,255,.28), transparent 32rem),
    linear-gradient(180deg, #080b14 0%, #101526 45%, #080b14 100%);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
.grain {
  position: fixed; inset: 0; pointer-events: none; opacity: .18; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}
.hero, main, .footer { position: relative; z-index: 1; }
.nav {
  width: min(1160px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark { color: var(--brand); filter: drop-shadow(0 0 18px rgba(120,240,209,.8)); }
.nav-links { display: flex; gap: 8px; padding: 6px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.05); backdrop-filter: blur(16px); }
.nav-links a { color: var(--muted); padding: 9px 13px; border-radius: 999px; font-size: 14px; }
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.08); }
.hero-grid { width: min(1160px, calc(100% - 32px)); margin: 0 auto; padding: 72px 0 96px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--brand); text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 800; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(48px, 8vw, 92px); line-height: .91; letter-spacing: -.075em; margin-bottom: 26px; }
h2 { font-size: clamp(34px, 5vw, 58px); line-height: 1; letter-spacing: -.055em; margin-bottom: 18px; }
h3 { font-size: 20px; letter-spacing: -.02em; margin-bottom: 10px; }
.lede, .body-copy { color: var(--muted); font-size: 19px; line-height: 1.7; max-width: 720px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border-radius: 999px; font-weight: 800; border: 1px solid var(--line); }
.button.primary { color: #06100d; background: linear-gradient(135deg, var(--brand), #d5fff2); border: none; box-shadow: 0 20px 48px rgba(120,240,209,.22); }
.button.ghost { background: rgba(255,255,255,.06); color: var(--text); }
.hero-card, .content-card, .arch-node, .timeline article, .gate-grid div {
  border: 1px solid var(--line); background: linear-gradient(180deg, var(--panel-strong), rgba(255,255,255,.045)); border-radius: var(--radius); box-shadow: var(--shadow); backdrop-filter: blur(18px);
}
.hero-card { padding: 30px; transform: rotate(1.5deg); }
.status-pill { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 800; font-size: 13px; margin-bottom: 22px; }
.status-pill span { width: 9px; height: 9px; border-radius: 99px; background: var(--brand); box-shadow: 0 0 22px var(--brand); }
.metric-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 26px; }
.metric-row div { padding: 16px; border-radius: 18px; background: rgba(0,0,0,.22); border: 1px solid var(--line); }
.metric-row strong { display: block; font-size: 30px; letter-spacing: -.06em; }
.metric-row span { color: var(--muted); font-size: 12px; }
.section { width: min(1160px, calc(100% - 32px)); margin: 0 auto; padding: 86px 0; }
.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 44px; align-items: center; }
.split.reverse { grid-template-columns: 1.05fr .95fr; }
.content-card { padding: 28px; }
.content-card.warning { border-color: rgba(255,209,102,.34); }
.content-card.blueprint { background: linear-gradient(135deg, rgba(120,240,209,.12), rgba(138,167,255,.12)); }
.check-list, .number-list { margin: 22px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.check-list li, .number-list li { color: var(--muted); line-height: 1.55; padding-left: 30px; position: relative; }
.check-list li::before { content: "×"; color: var(--danger); position: absolute; left: 0; font-weight: 900; }
.number-list { counter-reset: item; }
.number-list li { counter-increment: item; }
.number-list li::before { content: counter(item); position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; background: var(--brand); color: #05110d; font-size: 12px; font-weight: 900; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading.centered { text-align: center; margin-inline: auto; }
.section-heading p:not(.eyebrow) { color: var(--muted); font-size: 18px; line-height: 1.65; }
.architecture { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 16px; }
.arch-node { padding: 26px; min-height: 250px; }
.arch-node span { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 15px; margin-bottom: 45px; background: rgba(120,240,209,.16); color: var(--brand); font-weight: 900; }
.arch-node p, .timeline p, .gate-grid p, .content-card p, .hero-card p { color: var(--muted); line-height: 1.6; }
.arch-arrow { display: grid; place-items: center; color: var(--brand); font-size: 32px; font-weight: 900; }
.dark-panel { width: min(1240px, calc(100% - 32px)); padding: 70px; border: 1px solid var(--line); border-radius: 38px; background: rgba(0,0,0,.25); box-shadow: var(--shadow); }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.timeline article { padding: 20px; min-height: 195px; box-shadow: none; }
.timeline span { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: rgba(138,167,255,.18); color: #cfd8ff; font-weight: 900; margin-bottom: 28px; }
.cards.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
code { display: block; margin-top: 18px; padding: 12px; border-radius: 14px; background: rgba(0,0,0,.28); color: var(--brand); overflow-x: auto; }
.gate-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gate-grid div { padding: 24px; box-shadow: none; }
.footer { width: min(1160px, calc(100% - 32px)); margin: 0 auto; padding: 46px 0 70px; display: flex; justify-content: space-between; align-items: center; gap: 20px; color: var(--muted); border-top: 1px solid var(--line); }
.footer strong { color: var(--text); }
.footer p { margin: 8px 0 0; }
@media (max-width: 950px) {
  .hero-grid, .split, .split.reverse { grid-template-columns: 1fr; }
  .architecture { grid-template-columns: 1fr; }
  .arch-arrow { transform: rotate(90deg); }
  .timeline, .cards.three, .gate-grid { grid-template-columns: repeat(2, 1fr); }
  .dark-panel { padding: 40px 22px; }
}
@media (max-width: 680px) {
  .nav { align-items: flex-start; gap: 18px; flex-direction: column; }
  .nav-links { width: 100%; overflow-x: auto; justify-content: flex-start; }
  .hero-grid { padding-top: 42px; }
  .timeline, .cards.three, .gate-grid, .metric-row { grid-template-columns: 1fr; }
  h1 { font-size: 48px; }
  .footer { flex-direction: column; align-items: flex-start; }
}