:root {
  color-scheme: dark;
  --ink: #f5fbff;
  --muted: #9fb2c3;
  --quiet: #6d8497;
  --bg: #06121d;
  --surface: #0a1b2a;
  --surface-2: #0e2436;
  --line: rgba(174, 211, 229, 0.16);
  --line-strong: rgba(174, 211, 229, 0.28);
  --mint: #62e7d3;
  --amber: #ffbd59;
  --danger: #ff7d7d;
  --max: 1180px;
  --radius: 20px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 84% 7%, rgba(98, 231, 211, 0.10), transparent 25rem),
    radial-gradient(circle at 8% 30%, rgba(255, 189, 89, 0.07), transparent 22rem),
    var(--bg);
  font-size: 16px;
  line-height: 1.6;
}

a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--amber); outline-offset: 4px; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; color: #06121d; background: var(--mint); border-radius: 8px; font-weight: 800; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(6, 18, 29, .88); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 850; letter-spacing: .08em; }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: #0c2637; border: 1px solid var(--line-strong); }
.brand-mark svg { width: 24px; height: 24px; }
.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav a { color: var(--muted); text-decoration: none; font-size: .94rem; font-weight: 650; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.menu-button { display: none; width: 44px; height: 44px; color: var(--ink); background: transparent; border: 1px solid var(--line-strong); border-radius: 10px; }
.menu-button span, .menu-button::before, .menu-button::after { content: ""; display: block; width: 18px; height: 2px; margin: 4px auto; background: currentColor; transition: transform .2s, opacity .2s; }

.hero { padding: 104px 0 72px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.14fr) minmax(320px, .86fr); gap: clamp(3rem, 7vw, 7rem); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: .55rem; margin: 0 0 1.2rem; color: var(--mint); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 18px var(--mint); }
h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 800px; margin-bottom: 1.5rem; font-size: clamp(3.4rem, 8vw, 7.5rem); }
h1 span { color: var(--mint); }
h2 { margin-bottom: 1rem; font-size: clamp(2.15rem, 4vw, 3.8rem); }
h3 { margin-bottom: .8rem; font-size: 1.25rem; }
.lede { max-width: 690px; margin: 0 0 2rem; color: #c5d4df; font-size: clamp(1.08rem, 2vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .7rem 1.15rem; border-radius: 10px; text-decoration: none; font-weight: 800; }
.button-primary { color: #06121d; background: var(--mint); }
.button-secondary { border: 1px solid var(--line-strong); background: rgba(255,255,255,.025); }

.system-card { position: relative; padding: 1.25rem; border: 1px solid var(--line-strong); border-radius: 28px; background: linear-gradient(150deg, rgba(14,36,54,.94), rgba(7,23,36,.88)); box-shadow: 0 36px 90px rgba(0,0,0,.28); }
.system-card::after { content: ""; position: absolute; inset: 18px -18px -18px 18px; z-index: -1; border: 1px solid rgba(98, 231, 211, .14); border-radius: 28px; }
.system-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .35rem .3rem 1rem; color: var(--muted); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.live-dot { display: inline-flex; align-items: center; gap: .5rem; color: var(--mint); }
.live-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.flow { display: grid; gap: .72rem; }
.flow-node { padding: 1rem; border: 1px solid var(--line); border-radius: 14px; background: rgba(2, 13, 22, .55); }
.flow-node strong { display: block; margin-bottom: .2rem; font-size: .96rem; }
.flow-node span { color: var(--muted); font-size: .82rem; }
.flow-node.accent { border-color: rgba(98, 231, 211, .45); background: rgba(98, 231, 211, .07); }
.flow-rail { height: 18px; width: 2px; margin: -.72rem 0 -.72rem 1.6rem; background: linear-gradient(var(--mint), rgba(98,231,211,.1)); }
.system-note { margin: 1rem .25rem .15rem; color: var(--quiet); font-size: .78rem; }

.section { padding: 92px 0; border-top: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: .72fr 1.28fr; gap: 3rem; margin-bottom: 3rem; align-items: start; }
.section-intro p { max-width: 680px; margin: .25rem 0 0; color: var(--muted); font-size: 1.08rem; }
.kicker { color: var(--amber); font-size: .76rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card { min-height: 240px; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(10, 27, 42, .68); }
.card-number { display: block; margin-bottom: 3.5rem; color: var(--mint); font: 700 .78rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.card p { margin: 0; color: var(--muted); }

.boundary { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line-strong); border-radius: 28px; overflow: hidden; background: rgba(10,27,42,.55); }
.boundary > div { padding: clamp(1.6rem, 4vw, 3rem); }
.boundary > div + div { border-left: 1px solid var(--line-strong); }
.status-list { margin: 1.5rem 0 0; padding: 0; list-style: none; }
.status-list li { display: grid; grid-template-columns: 18px 1fr; gap: .7rem; padding: .75rem 0; color: var(--muted); border-top: 1px solid var(--line); }
.status-list li::before { content: ""; width: 9px; height: 9px; margin-top: .48rem; border-radius: 50%; border: 2px solid var(--mint); }
.status-list.no li::before { border-color: var(--danger); }
.boundary-label { display: inline-flex; padding: .35rem .62rem; border-radius: 999px; color: var(--mint); background: rgba(98,231,211,.09); font-size: .76rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.boundary-label.restricted { color: #ffd6d6; background: rgba(255,125,125,.09); }

.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.principle { padding: 1.5rem; border-left: 3px solid var(--mint); background: linear-gradient(90deg, rgba(98,231,211,.08), transparent); }
.principle p { margin: .35rem 0 0; color: var(--muted); }

.contact-panel { display: grid; grid-template-columns: 1.2fr .8fr; gap: 2rem; padding: clamp(1.7rem, 4vw, 3.4rem); border: 1px solid var(--line-strong); border-radius: 28px; background: linear-gradient(135deg, rgba(14,36,54,.95), rgba(9,26,40,.76)); }
.contact-panel p { max-width: 650px; margin-bottom: 0; color: var(--muted); }
.contact-meta { align-self: center; padding: 1.25rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(3,14,23,.38); }
.meta-row { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem 0; color: var(--muted); border-bottom: 1px solid var(--line); }
.meta-row:last-child { border-bottom: 0; }
.meta-row strong { color: var(--ink); text-align: right; }

.site-footer { padding: 34px 0 48px; color: var(--quiet); font-size: .86rem; }
.footer-wrap { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.footer-links { display: flex; gap: 1.2rem; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

.legal-main { padding: 72px 0 96px; }
.legal { max-width: 820px; }
.legal h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
.legal h2 { margin-top: 3rem; font-size: 1.55rem; }
.legal p, .legal li { color: var(--muted); }
.legal ul { padding-left: 1.25rem; }
.legal-note { padding: 1rem 1.1rem; border: 1px solid rgba(255,189,89,.25); border-radius: 12px; color: #f8ddb0; background: rgba(255,189,89,.06); }

@media (max-width: 850px) {
  .menu-button { display: block; }
  .nav { position: absolute; inset: 74px 20px auto; display: none; flex-direction: column; align-items: stretch; padding: 1rem; border: 1px solid var(--line-strong); border-radius: 14px; background: #091a28; box-shadow: 0 24px 60px rgba(0,0,0,.4); }
  .nav.open { display: flex; }
  .nav.legal-nav { position: static; display: flex; flex-direction: row; align-items: center; padding: 0; border: 0; background: transparent; box-shadow: none; }
  .hero { padding-top: 72px; }
  .hero-grid, .section-intro, .contact-panel { grid-template-columns: 1fr; }
  .hero-grid { gap: 3.5rem; }
  .card-grid { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .card-number { margin-bottom: 2rem; }
  .boundary { grid-template-columns: 1fr; }
  .boundary > div + div { border-left: 0; border-top: 1px solid var(--line-strong); }
}

@media (max-width: 590px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .hero { padding-top: 58px; }
  h1 { font-size: clamp(3rem, 18vw, 5rem); }
  .section { padding: 68px 0; }
  .principles { grid-template-columns: 1fr; }
  .footer-wrap { flex-direction: column; align-items: flex-start; }
  .contact-panel { padding: 1.25rem; }
  .nav.legal-nav { gap: .8rem; }
  .nav.legal-nav a { font-size: .84rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}