/* ============================================
   À CONTRESENS — Design Tokens & Reset
   ============================================ */

:root {
  /* Couleurs */
  --color-bg-primary: #F7F5F0;
  --color-bg-secondary: #EDEBE6;
  --color-accent: #1B2A4A;
  --color-accent-hover: #2C3E6B;
  --color-text-primary: #1A1A1A;
  --color-text-secondary: #6B6560;
  --color-detail: #C8BFB4;
  --color-white: #FFFFFF;
  --color-overlay: rgba(27, 42, 74, 0.55);
  --color-star: #D4A845;

  /* Typographies */
  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-accent: 'Bebas Neue', Impact, sans-serif;

  /* Tailles — fluid clamp */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.75rem + 0.3vw, 0.9375rem);
  --text-base: clamp(0.9375rem, 0.875rem + 0.3vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.3125rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1vw, 2rem);
  --text-2xl: clamp(2rem, 1.5rem + 2vw, 3rem);
  --text-3xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);

  /* Espacement */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-section: clamp(4rem, 3rem + 4vw, 7rem);

  /* Rayons */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-none: 0px;

  /* Ombres */
  --shadow-card: 0 2px 12px rgba(27, 42, 74, 0.08);
  --shadow-card-hover: 0 4px 20px rgba(27, 42, 74, 0.12);
  --shadow-header: 0 1px 8px rgba(27, 42, 74, 0.06);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-reveal: 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 900px;
  --container-wide: 1400px;
  --header-height: 72px;
  --header-height-shrunk: 56px;
}

/* --- RESET --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text-primary);
}