:root {
  --bg: #f5ece4;
  --card: #fffaf6;
  --text: #2e1e16;
  --muted: #7a6052;
  --accent: #b9653f;
  --rule: #e6d8cc;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #211915;
    --card: #2c221d;
    --text: #faf0e8;
    --muted: #bea89a;
    --accent: #de8860;
    --rule: #3d302a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 640px; margin: 0 auto; padding: 48px 16px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
header img { width: 48px; height: 48px; border-radius: 11px; }
header a { color: inherit; text-decoration: none; font: 600 20px/1 ui-rounded, -apple-system, system-ui, sans-serif; }
h1 { font: 700 34px/1.15 ui-rounded, -apple-system, system-ui, sans-serif; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { font: 600 20px/1.3 ui-rounded, -apple-system, system-ui, sans-serif; margin: 36px 0 8px; }
p, li { margin: 0 0 12px; }
ul { padding-left: 20px; margin: 0 0 12px; }
a { color: var(--accent); }
.lead { color: var(--muted); margin-bottom: 24px; }
.card { background: var(--card); border-radius: 20px; padding: 20px; margin: 24px 0; }
.card p:last-child { margin-bottom: 0; }
nav { display: flex; gap: 20px; margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--rule); font-size: 15px; }
.small { color: var(--muted); font-size: 15px; }