:root {
  color-scheme: dark;
  --bg: #111315;
  --panel: #1a1d20;
  --line: #30363a;
  --text: #f2f5f6;
  --muted: #aab4b8;
  --blue: #70d1f2;
  --blue-dark: #214b5d;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--bg); line-height: 1.65; }
a { color: inherit; }
.site-header { position: sticky; z-index: 10; top: 0; display: flex; align-items: center; justify-content: space-between; min-height: 70px; padding: 10px max(24px, calc((100vw - 1120px) / 2)); border-bottom: 1px solid var(--line); background: rgba(17,19,21,.94); backdrop-filter: blur(16px); }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; font-size: 21px; font-weight: 750; letter-spacing: -.02em; }
.brand img { width: 42px; height: 42px; border-radius: 11px; }
nav { display: flex; gap: 24px; }
nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }
main { max-width: 1120px; margin: auto; padding: 0 24px; }
.hero { display: grid; grid-template-columns: 1.35fr .65fr; align-items: center; min-height: 610px; gap: 60px; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 14px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .13em; }
h1 { max-width: 820px; margin: 0 0 22px; font-size: clamp(42px, 7vw, 80px); line-height: .98; letter-spacing: -.055em; }
.lede { max-width: 690px; color: var(--muted); font-size: clamp(18px, 2vw, 22px); }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.badges span { padding: 7px 11px; color: #cceef9; border: 1px solid #365968; border-radius: 999px; background: #17262c; font-size: 13px; }
.hero-mark { justify-self: end; padding: 18px; border: 1px solid var(--line); border-radius: 34px; background: var(--panel); }
.hero-mark img { display: block; width: min(300px, 28vw); border-radius: 24px; }
.section { padding: 90px 0; border-bottom: 1px solid var(--line); }
.section h2 { max-width: 800px; margin: 0 0 36px; font-size: clamp(30px, 4vw, 48px); line-height: 1.1; letter-spacing: -.035em; }
.feature-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.feature-grid article { min-height: 190px; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.feature-grid h3 { margin-top: 0; font-size: 20px; }
.feature-grid p, .split p, .notice p { color: var(--muted); }
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; }
.text-link { color: var(--blue); text-decoration: none; font-weight: 700; }
.notice { margin: 70px 0; padding: 35px; border: 1px solid #3c5963; border-radius: 18px; background: #18262b; }
.notice h2 { margin-bottom: 10px; font-size: 25px; }
.legal { max-width: 840px; padding-top: 80px; padding-bottom: 100px; }
.legal h1 { font-size: clamp(45px, 7vw, 72px); }
.updated { margin-bottom: 45px; color: var(--muted); }
.legal h2 { margin: 48px 0 14px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 25px; letter-spacing: -.02em; }
.legal h3 { margin: 28px 0 5px; font-size: 17px; }
.legal p, .legal li { color: #c4cccf; }
.legal li { margin: 7px 0; }
.legal code { padding: 2px 5px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); }
.legal a { color: var(--blue); }
footer { display: flex; flex-wrap: wrap; gap: 22px; max-width: 1120px; margin: auto; padding: 35px 24px 60px; color: var(--muted); font-size: 13px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--text); }
@media (max-width: 720px) {
  .site-header { padding-inline: 16px; }
  nav { gap: 13px; }
  nav a:first-child { display: none; }
  main { padding-inline: 17px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 100px 0 70px; }
  .hero-mark { display: none; }
  .feature-grid, .split { grid-template-columns: 1fr; }
  .section { padding: 65px 0; }
  .legal { padding-top: 60px; }
}