:root {
  /* Brand — sampled from Brand-Reference-Packaging.jpeg, see project CLAUDE.md */
  --color-navy: #1E3F73;
  --color-navy-dark: #122A52;
  --color-navy-darker: #0B1B38;
  --color-navy-light: #2C5AA0;
  --color-navy-lighter: #4B78C4;
  --color-steel: #6B6E76;
  --color-steel-light: #9A9DA5;
  --color-steel-lighter: #C7C9CE;

  --color-white: #FFFFFF;
  --color-off-white: #F7F8FA;
  --color-gray-50: #F4F5F7;
  --color-gray-100: #E8EAED;
  --color-gray-200: #D6D9DE;
  --color-gray-300: #B7BBC3;
  --color-gray-600: #565B66;
  --color-gray-800: #2B2E36;
  --color-ink: #14161B;

  --color-success: #1E7A4C;
  --color-warning: #B5730B;
  --color-error: #B5342C;

  --color-bg: var(--color-white);
  --color-surface: var(--color-off-white);
  --color-text: var(--color-ink);
  --color-text-muted: var(--color-gray-600);
  --color-border: var(--color-gray-200);

  /* Type */
  --font-heading: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.6;

  --tracking-tight: -0.01em;
  --tracking-wide: 0.04em;
  --tracking-wider: 0.12em;

  /* Spacing — 8px base grid */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;

  /* Shape */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 2px rgba(11, 27, 56, 0.06);
  --shadow-md: 0 6px 16px -4px rgba(11, 27, 56, 0.14), 0 2px 6px -2px rgba(11, 27, 56, 0.08);
  --shadow-lg: 0 20px 40px -12px rgba(11, 27, 56, 0.22);

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 450ms;

  --container-max: 1240px;
  --container-narrow: 860px;
  --header-height: 76px;
}