:root {
  /* ========================================
     L'heure bleue — Design Tokens
     ======================================== */

  /* Bleus — du plus profond au plus clair */
  --color-blue-deep: #5D8AA8;
  --color-blue-deep-aa: #3A6A8C; /* Ratio ≈ 4.92:1 sur --color-cream — usages texte/UI */
  --color-blue-mid: #7191A3;
  --color-blue-soft: #84989F;
  --color-blue-grey: #989F9A;

  /* Sables / Dorés */
  --color-sand-grey: #ABA695;
  --color-sand-warm: #BFAD91;
  --color-tan: #D2B48C;

  /* Neutres */
  --color-cream: #F7F4EF;
  --color-white: #FAFAF8;
  --color-text: #2C2C2C;
  --color-text-light: #5A5A5A;

  /* Fonctionnels */
  --color-overlay: rgba(44, 44, 44, 0.4);
  --color-overlay-blue: rgba(45, 70, 95, 0.55);
  --color-divider: rgba(93, 138, 168, 0.15);

  /* Fonts */
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Mulish', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Type Scale — mobile-first */
  --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: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;

  /* Weights */
  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Line heights */
  --leading-tight: 1.2;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  /* Containers */
  --container-sm: 640px;
  --container-md: 900px;
  --container-lg: 1200px;

  /* Transitions */
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease-out;

  /* Shadows */
  --shadow-card: 0 2px 12px rgba(44, 44, 44, 0.06);
  --shadow-card-hover: 0 8px 24px rgba(44, 44, 44, 0.1);

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
}