:root {
  /* Colors */
  --navy: #1B2A4A;
  --rust: #B94E2B;
  --cream: #F5F0E8;
  --white: #FFFFFF;
  --navy-light: #2A3D66;
  --rust-light: #D4663F;
  --cream-dark: #E8E0D1;
  --text-primary: #1B2A4A;
  --text-secondary: #4A5568;
  --text-on-dark: #FFFFFF;

  /* Typography */
  --font-serif: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Font sizes — fluid scale */
  --text-sm: clamp(0.875rem, 0.8rem + 0.25vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.35vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  --text-2xl: clamp(2rem, 1.5rem + 1.5vw, 3rem);
  --text-3xl: clamp(2.5rem, 1.8rem + 2.5vw, 4.5rem);
  --text-display: clamp(3rem, 2rem + 4vw, 7rem);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-padding: clamp(1.5rem, 4vw, 3rem);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
}