:root {
  color-scheme: dark;
  --bg: #0c0c0f;
  --card: #16161a;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #5b4dff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
a { color: #c4bfff; }
header, main, footer { width: min(720px, calc(100% - 32px)); margin: 0 auto; }
header { padding: 28px 0 8px; }
header a.brand { color: white; text-decoration: none; font-weight: 600; }
nav.crumbs { margin-top: 12px; font-size: 14px; color: var(--muted); }
h1 { font-size: 2rem; line-height: 1.2; margin: 18px 0 8px; }
h2 { font-size: 1.25rem; margin: 28px 0 8px; }
h3 { font-size: 1.05rem; margin: 18px 0 4px; }
p, li { font-size: 1.02rem; }
.lead { color: var(--muted); font-size: 1.1rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  margin: 16px 0;
}
ul { padding-left: 1.2rem; }
footer { padding: 28px 0 48px; color: var(--muted); font-size: 14px; }
.links { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; list-style: none; }
.links a {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  text-decoration: none;
}