:root {
  color-scheme: light dark;
  --text: #1a1a1a;
  --muted: #555;
  --bg: #fafafa;
  --card: #fff;
  --link: #8b4513;
  --border: #e5e5e5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f2f2f2;
    --muted: #aaa;
    --bg: #111;
    --card: #1a1a1a;
    --link: #d4a574;
    --border: #333;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

h1 {
  font-size: 1.75rem;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.5rem;
}

p,
li {
  margin: 0.65rem 0;
}

.lede {
  color: var(--muted);
}

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

.fine {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 2rem;
}

nav {
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}