:root {
  --page: #faf6ef;
  --surface: #ffffff;
  --text: #3a2e22;
  --text-muted: #6e5f4e;
  --divider: #d8cbb6;
  --accent: #1f6f8b;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #171411;
    --surface: #2a2521;
    --text: #f3ebdd;
    --text-muted: #b8ac9a;
    --divider: #3a332b;
    --accent: #7cc4dc;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 16px 64px;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.25rem;
  margin: 40px 0 8px;
}

p,
li {
  overflow-wrap: anywhere;
}

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

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

.card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 24px 0;
}

.card h2 {
  margin-top: 0;
}

footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--divider);
  color: var(--text-muted);
  font-size: 0.9rem;
}