:root {
  color-scheme: light dark;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --bg: #ffffff;
  --link: #0066cc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --bg: #111112;
    --link: #4da3ff;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  max-width: 38rem;
  margin: 0 auto;
  padding: 4rem 1.25rem;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 1.5rem;
}

a {
  color: var(--link);
}

dt {
  font-weight: 600;
  margin-top: 1.25rem;
}

dd {
  margin: 0.25rem 0 0;
  color: var(--muted);
}