:root {
  --brand: #2a78d6;
  --page-plane: #f4f3ee;
  --surface-1: #ffffff;
  --border: #e1e0d9;
  --radius-md: 10px;
  --text-primary: #1c1b18;
  --text-muted: #6b6a64;
  --status-critical: #c23b3b;
  --status-good: #1f8a4c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page-plane);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 { color: var(--text-primary); }

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

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface-1);
}

.site-header .nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
}

.nav-brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 3rem;
}

.site-footer .container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}