:root {
  --bg: #f4f4f5;
  --surface: #ffffff;
  --ink: #1f2124;
  --muted: #5f6368;
  --line: #dedfe2;
  --accent: #3a4350;
  --accent-ink: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131416;
    --surface: #1b1d20;
    --ink: #e8e9eb;
    --muted: #9b9fa6;
    --line: #2d3035;
    --accent: #b9c0ca;
    --accent-ink: #131416;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 12px; height: 64px; }
.mark {
  display: inline-grid; place-items: center;
  width: 32px; height: 32px; border-radius: 6px;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 700;
}
.brand { font-weight: 700; letter-spacing: .12em; }
.hero { padding: 72px 0 40px; max-width: 680px; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; }
h1 { margin: 0 0 16px; font-size: clamp(28px, 5vw, 44px); line-height: 1.15; letter-spacing: -.01em; }
.lead { margin: 0 0 16px; font-size: 18px; color: var(--muted); }
.note { margin: 0; font-size: 14px; color: var(--muted); }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 48px;
}
h2 { margin: 0 0 16px; font-size: 18px; }
dl { display: grid; grid-template-columns: 160px 1fr; gap: 10px 24px; margin: 0; }
dt { color: var(--muted); }
dd { margin: 0; }
.foot { padding-bottom: 32px; color: var(--muted); font-size: 14px; }
.foot p { margin: 0; }
@media (max-width: 560px) {
  .hero { padding: 48px 0 32px; }
  dl { grid-template-columns: 1fr; gap: 2px; }
  dd { margin-bottom: 10px; }
}