:root {
  color-scheme: light dark;
  --text: #1a1a1a;
  --muted: #555;
  --bg: #fafafa;
  --card: #fff;
  --accent: #2d6a4f;
  --border: #e5e5e5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f0f0f0;
    --muted: #aaa;
    --bg: #121212;
    --card: #1e1e1e;
    --border: #333;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

header {
  margin-bottom: 2rem;
}

header h1 {
  font-size: 1.5rem;
  margin: 0 0 0.25rem;
  color: var(--accent);
}

header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

main {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.25rem;
}

h2 {
  font-size: 1.1rem;
  margin: 1.75rem 0 0.5rem;
}

h2:first-child {
  margin-top: 0;
}

p,
li {
  font-size: 0.95rem;
}

ul {
  padding-left: 1.25rem;
}

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

footer {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--muted);
}

nav.links {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.9rem;
}

.updated {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}