:root {
  --bg: #f8fafc;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --card: #fff;
  --border: #e2e8f0;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: Georgia, "Times New Roman", serif; background: var(--bg); color: var(--text); line-height: 1.6; }

.container { max-width: 960px; margin: 0 auto; padding: 0 1.25rem; }

.site-header { background: var(--card); border-bottom: 1px solid var(--border); padding: 1rem 0; }
.site-header .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.brand { font-weight: 700; font-size: 1.25rem; color: var(--text); text-decoration: none; }
.main-nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.main-nav a { color: var(--muted); text-decoration: none; }
.main-nav a:hover { color: var(--accent); }

.hero { padding: 3rem 0 2rem; text-align: center; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; }
.card a { color: var(--accent); text-decoration: none; }

.content-body { margin-top: 1.5rem; }
.site-footer { margin-top: 3rem; padding: 2rem 0; border-top: 1px solid var(--border); color: var(--muted); font-size: .9rem; }

@media (max-width: 600px) {
  .hero h1 { font-size: 1.75rem; }
}