:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5b5b5b;
  --accent: #0a7a4b;
  --border: #e5e5e5;
  --card: #f7f7f5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #eaeaea;
    --muted: #a0a0a0;
    --accent: #4fd18f;
    --border: #2a2d33;
    --card: #1c1f24;
  }
}

* { 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;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.page {
  margin-bottom: 40px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 8px;
}

h1 {
  font-size: 1.9rem;
  margin: 0 0 8px;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

h2 {
  font-size: 1.2rem;
  margin: 40px 0 12px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

h2:first-of-type { border-top: none; padding-top: 0; }

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

ul { padding-left: 1.2em; }

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

.callout {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 0 0 32px;
  font-size: 0.92rem;
  color: var(--muted);
}

nav.crosslink {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.home-links {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.home-links a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--fg);
  flex: 1;
}

.home-links a strong {
  display: block;
  color: var(--accent);
  margin-bottom: 4px;
}