:root {
  --bg: #fbfaf7;
  --text: #1c1d21;
  --muted: #5d6068;
  --accent: #b86e00;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171c; --text: #eceae4; --muted: #a2a5ad; --accent: #ffb021; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0.4em 0; }
h2 { font-size: 1.2rem; margin-top: 2em; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.lead { font-size: 1.2rem; }
li { margin: 0.3em 0; }