:root {
  color-scheme: light dark;
  --bg: #f7f5f0;
  --text: #1a1a1a;
  --muted: #555;
  --accent: #2c5282;
  --border: #ddd;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141414;
    --text: #eee;
    --muted: #aaa;
    --accent: #7eb6ff;
    --border: #333;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

.lead {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

section + section {
  margin-top: 2rem;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9rem;
}

pre {
  overflow-x: auto;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(127, 127, 127, 0.08);
}

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

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}