:root {
  color-scheme: light dark;
  --bg: #fafaf8;
  --fg: #1c1c1c;
  --muted: #5a5a5a;
  --accent: #b8863b;
  --card: #ffffff;
  --border: #e6e2da;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161512;
    --fg: #f2efe9;
    --muted: #b7b2a8;
    --accent: #d4a54f;
    --card: #201f1b;
    --border: #34322c;
  }
}

* { box-sizing: border-box; }

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

header {
  padding: 2.5rem 1.5rem 1.5rem;
  text-align: center;
}

header .brand {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent);
}

header .tagline {
  color: var(--muted);
  margin-top: 0.25rem;
  font-size: 0.95rem;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 1.5rem 4rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
}

h1 {
  font-size: 1.5rem;
  margin-top: 0;
}

h2 {
  font-size: 1.1rem;
  margin-top: 2rem;
  color: var(--accent);
}

p, li {
  color: var(--fg);
}

.updated {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 2rem;
}

nav.links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

nav.links a {
  display: block;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
}

nav.links a:hover {
  border-color: var(--accent);
}

nav.links span {
  display: block;
  font-weight: 400;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.2rem;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 2rem 1.5rem 3rem;
}

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

.back {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}