:root {
  --bg: #070707;
  --panel: #101010;
  --line: rgba(255, 255, 255, 0.09);
  --ink: #f4f4f4;
  --muted: #a2a2a2;
  --soft: #777;
  --accent: #8b86ff;
}

* { box-sizing: border-box; }
html { color-scheme: dark; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { width: min(760px, calc(100% - 40px)); margin-inline: auto; }
nav { border-bottom: 1px solid var(--line); }
nav .wrap { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { font-weight: 700; text-decoration: none; letter-spacing: -.02em; }
.back { color: var(--muted); text-decoration: none; font-size: 14px; }
.back:hover, footer a:hover { color: var(--ink); }
main { padding: clamp(62px, 9vw, 108px) 0 90px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 10px 0 14px; font-size: clamp(40px, 7vw, 68px); line-height: 1; letter-spacing: -.05em; }
.intro { max-width: 620px; color: var(--muted); font-size: 18px; }
.updated { display: block; margin: 18px 0 52px; color: var(--soft); font-size: 13px; }
section { padding: 26px 0; border-top: 1px solid var(--line); }
h2 { margin: 0 0 9px; font-size: 21px; letter-spacing: -.02em; }
p, ul { margin: 0; color: var(--muted); }
p + p, p + ul, ul + p { margin-top: 12px; }
li + li { margin-top: 7px; }
strong { color: var(--ink); }
.callout { margin: 20px 0 0; padding: 18px 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
footer { border-top: 1px solid var(--line); padding: 26px 0 38px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 22px; color: var(--soft); font-size: 13px; }
footer .push { flex: 1; }
@media (max-width: 560px) { footer .push { flex-basis: 100%; } }