:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #ffffff;
  --muted: #6b6b6b;
  --link: #0060df;
  --rule: #e5e5e5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #f2f2f2;
    --bg: #121212;
    --muted: #a0a0a0;
    --link: #6fb0ff;
    --rule: #2a2a2a;
  }
}

* { box-sizing: border-box; }

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

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

h2 {
  font-size: 1.2rem;
  margin-top: 2.25rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.4rem;
}

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

.updated {
  font-size: 0.9rem;
  margin-top: -0.5rem;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.links {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.links li {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

.back {
  display: inline-block;
  margin-bottom: 1.5rem;
}

ul, ol {
  padding-left: 1.4rem;
}

li {
  margin-bottom: 0.4rem;
}