:root {
  --text: #1c1c1e;
  --muted: #5b5b5f;
  --border: #e3e3e6;
  --accent: #0a5c4d;
  --bg: #fdfdfc;
  --max-width: 760px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Georgia, serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}
.site-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.site-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}
.site-nav a {
  margin-left: 1.25rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--accent); }

/* Main content */
.site-main {
  padding: 2rem 0 3rem;
}

.page-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

.page-content h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  margin-top: 0;
}
.page-content h2 {
  font-size: 1.3rem;
  margin-top: 2.25rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}
.page-content table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.95rem;
  margin: 1rem 0;
}
.page-content th, .page-content td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}
.page-content a { color: var(--accent); }
.page-content blockquote {
  border-left: 3px solid var(--border);
  margin-left: 0;
  padding-left: 1rem;
  color: var(--muted);
}

/* Lists (section indexes, homepage) */
.page-list {
  list-style: none;
  padding: 0;
}
.page-list-item {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}
.page-list-item a {
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  font-size: 1.05rem;
}
.page-list-item a:hover { color: var(--accent); }
.page-list-query {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.home-intro { margin-bottom: 2rem; }
.section-links { padding-left: 1.1rem; }
.section-links a { color: var(--accent); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.site-footer .disclaimer {
  font-weight: 600;
  color: var(--text);
}