:root {
  color-scheme: dark;
  --ink: #090d12;
  --metal: #151c24;
  --metal-2: #202a35;
  --ivory: #f3f0e6;
  --muted: #9aa6b2;
  --cyan: #4de3c1;
  --cyan-bright: #8afae2;
  --brass: #d5a93e;
  --line: rgba(77, 227, 193, 0.25);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--ink);
  color: var(--ivory);
}

* { box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 50% 12%, rgba(77, 227, 193, 0.1), transparent 32rem), var(--ink); }
a { color: inherit; }
.shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
header { position: sticky; top: 0; z-index: 5; border-bottom: 1px solid rgba(255,255,255,.08); background: rgba(9,13,18,.9); backdrop-filter: blur(18px); }
nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 900; letter-spacing: -.02em; }
.mark { width: 34px; height: 34px; border: 7px solid var(--cyan); border-radius: 50%; position: relative; box-shadow: 0 0 22px rgba(77,227,193,.24); }
.mark::after { content: ""; position: absolute; width: 8px; height: 18px; top: -13px; left: 6px; border-radius: 0 0 4px 4px; background: var(--brass); }
.links { display: flex; gap: 20px; }
.links a { color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 750; }
.links a:hover, .links a:focus-visible { color: var(--cyan-bright); }
.hero { min-height: 690px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 72px; padding: 90px 0; }
.eyebrow { color: var(--brass); font-size: .78rem; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
h1 { margin: 14px 0 24px; font-size: clamp(3.4rem, 8vw, 7rem); line-height: .88; letter-spacing: -.065em; }
.lede { max-width: 650px; color: var(--muted); font-size: 1.14rem; line-height: 1.75; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 0 22px; border-radius: 14px; background: var(--cyan); color: var(--ink); text-decoration: none; font-weight: 900; }
.button.secondary { background: var(--metal-2); color: var(--ivory); border: 1px solid rgba(255,255,255,.1); }
.dial { aspect-ratio: 1; position: relative; display: grid; place-items: center; border-radius: 50%; border: 26px solid #26323d; background: #111820; box-shadow: 0 36px 90px rgba(0,0,0,.55), inset 0 0 0 4px rgba(255,255,255,.04); }
.dial::before { content: ""; width: 63%; aspect-ratio: 1; border: 19px solid var(--cyan); border-radius: 50%; box-shadow: 0 0 40px rgba(77,227,193,.25); }
.dial::after { content: ""; position: absolute; top: -18px; width: 17%; height: 29%; border-radius: 0 0 13px 13px; background: var(--brass); }
.core { position: absolute; width: 30%; aspect-ratio: 1; border-radius: 50%; background: var(--brass); border: 13px solid #3d3422; }
.section { padding: 90px 0; border-top: 1px solid rgba(255,255,255,.08); }
h2 { margin: 12px 0 16px; font-size: clamp(2rem, 5vw, 4rem); letter-spacing: -.045em; }
.section-intro { max-width: 720px; color: var(--muted); font-size: 1.05rem; line-height: 1.7; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 38px; }
.card, .legal-card { border: 1px solid rgba(255,255,255,.09); background: linear-gradient(145deg, rgba(32,42,53,.88), rgba(18,25,32,.9)); border-radius: 22px; padding: 28px; }
.card strong { display: block; margin-bottom: 12px; color: var(--cyan-bright); font-size: 1.7rem; }
.card p, .legal-card p, .legal-card li { color: var(--muted); line-height: 1.72; }
.page { padding: 72px 0 110px; }
.page h1 { max-width: 820px; font-size: clamp(3rem, 7vw, 6rem); }
.legal-card { max-width: 820px; margin-top: 34px; }
.legal-card h2 { margin-top: 36px; font-size: 1.55rem; letter-spacing: -.02em; }
.legal-card h2:first-child { margin-top: 0; }
.legal-card ul { padding-left: 22px; }
.meta { color: var(--cyan); font-size: .9rem; font-weight: 800; }
.support-list { display: grid; gap: 12px; padding: 0; list-style: none; }
.support-list li { padding: 18px; border-radius: 14px; background: rgba(9,13,18,.72); }
footer { border-top: 1px solid rgba(255,255,255,.08); color: var(--muted); }
footer .shell { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: .9rem; }

@media (max-width: 760px) {
  .shell { width: min(100% - 28px, 1080px); }
  nav { min-height: 64px; }
  .brand span { display: none; }
  .links { gap: 14px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 48px; padding: 72px 0; }
  .dial { width: min(78vw, 390px); justify-self: center; }
  .grid { grid-template-columns: 1fr; }
  .section, .page { padding: 64px 0 84px; }
  .card, .legal-card { padding: 22px; border-radius: 18px; }
  footer .shell { align-items: flex-start; flex-direction: column; justify-content: center; }
}
