:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --text: #1a1a1a;
  --muted: #555;
  --border: #e5e5e5;
  --accent: #0d6e4f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111;
    --text: #f2f2f2;
    --muted: #aaa;
    --border: #333;
    --accent: #3ecf9a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

header {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  background: var(--bg);
}

header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

h2 {
  margin-top: 2rem;
  font-size: 1.1rem;
}

p,
ul {
  margin: 0.75rem 0;
}

ul {
  padding-left: 1.25rem;
}

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

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.lang-switch {
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.lang-switch a {
  margin-right: 1rem;
}