:root {
  --ground: #0B0B0C;
  --surface: #151517;
  --surface-high: #1C1C1F;
  --hair: rgba(255,255,255,0.08);
  --text: #F4F4F5;
  --muted: #A1A1A8;
  --solar: #8FD19E;
  --ice: #8FD19E;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ice); text-decoration: none; }
a:hover { text-decoration: underline; }
.nav { border-bottom: 1px solid var(--hair); }
.nav-inner, main, .footer-inner { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; }
.nav-logo img { width: 32px; height: 32px; border-radius: 9px; }
.cta {
  display: inline-block; background: var(--solar); color: #0B0B0C; font-weight: 600;
  padding: 10px 18px; border-radius: 999px;
}
.cta:hover { text-decoration: none; filter: brightness(1.05); }
main { padding: 48px 20px 80px; }
h1 { font-size: 32px; line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 12px; }
h2 { font-size: 20px; margin: 40px 0 10px; }
h3 { font-size: 16px; margin: 24px 0 6px; }
p, li { color: var(--muted); }
p strong, li strong { color: var(--text); font-weight: 600; }
.lede { font-size: 19px; color: var(--text); }
.updated { font-size: 14px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }
.card {
  background: var(--surface); border-radius: 18px; padding: 20px 22px; margin: 18px 0;
}
.card p:last-child { margin-bottom: 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 28px 0; }
.grid .card { margin: 0; }
.grid h3 { margin: 0 0 6px; color: var(--text); }
.grid p { margin: 0; font-size: 15px; }
.hero { display: flex; gap: 22px; align-items: center; margin-bottom: 36px; flex-wrap: wrap; }
.hero img { width: 96px; height: 96px; border-radius: 24px; flex: none; }
.num { font-variant-numeric: tabular-nums; }
video { width: 100%; max-width: 420px; display: block; border-radius: 14px; background: #000; }
.footer { border-top: 1px solid var(--hair); padding: 28px 0; font-size: 14px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.footer-inner a { color: var(--muted); }
.footer-copy { width: 100%; color: var(--muted); margin-top: 6px; }
@media (max-width: 480px) { h1 { font-size: 26px; } .nav-inner { height: 56px; } }