:root {
  --color-bg: #faf8f4;
  --color-bg-elevated: #ffffff;
  --color-text: #1c1c1c;
  --color-text-muted: #5c5c5c;
  --color-primary: #0f2744;
  --color-accent: #2a6f7f;
  --color-accent-soft: rgba(42, 111, 127, 0.12);
  --color-coral: #c47a5a;
  --color-border: #e8e4de;
  --color-border-strong: #d4cfc6;

  --font-display: "Libre Baskerville", "Georgia", "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  --max-width: 72rem;
  --header-height: 4.5rem;
  --radius-sm: 4px;
  --radius-md: 8px;

  --shadow-sm: 0 1px 2px rgba(15, 39, 68, 0.04);
  --shadow-md: 0 4px 24px rgba(15, 39, 68, 0.06);

  --transition: 180ms ease;
}

@media (prefers-color-scheme: dark) {
  :root[data-theme="auto"] {
    --color-bg: #0f2744;
    --color-bg-elevated: #152d4a;
    --color-text: #faf8f4;
    --color-text-muted: #a8b4c0;
    --color-primary: #faf8f4;
    --color-accent: #4a9fb0;
    --color-accent-soft: rgba(74, 159, 176, 0.15);
    --color-border: #2a4060;
    --color-border-strong: #3a5070;
  }
}