/* ============================================================
   TAWSA — Design Tokens
   Système visuel partagé. À importer dans chaque projet Tawsa :
   <link rel="stylesheet" href="tokens.css">
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Philosopher:ital,wght@0,400;0,700;1,400;1,700&family=Playfair+Display:wght@400;500;600;700&family=DM+Sans:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* ---- Couleurs principales ---- */
  --tawsa-bleu-nuit: #0B1F3A;
  --tawsa-dore: #C9A961;
  --tawsa-blanc-casse: #F8F7F4;
  --tawsa-anthracite: #2D2D2D;

  /* ---- Couleurs secondaires ---- */
  --tawsa-bleu-nuit-hover: #1A2E4D;
  --tawsa-dore-hover: #B89548;
  --tawsa-gris-bordure: #E5E5E0;
  --tawsa-rouge-alerte: #B33A3A;

  /* ---- Variantes utilitaires ---- */
  --tawsa-bleu-nuit-12: rgba(11, 31, 58, 0.12);
  --tawsa-bleu-nuit-06: rgba(11, 31, 58, 0.06);
  --tawsa-dore-12: rgba(201, 169, 97, 0.12);
  --tawsa-blanc-translucide: rgba(248, 247, 244, 0.85);

  /* ---- Typographie ---- */
  --tawsa-logo: 'Philosopher', 'Georgia', serif;            /* police du logo uniquement */
  --tawsa-serif: 'Playfair Display', 'Times New Roman', Georgia, serif;
  --tawsa-display: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  --tawsa-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* ---- Échelle typographique (desktop) ---- */
  --tawsa-text-h1: 64px;
  --tawsa-text-h2: 48px;
  --tawsa-text-h3: 32px;
  --tawsa-text-h4: 22px;
  --tawsa-text-h5: 18px;
  --tawsa-text-h6: 16px;
  --tawsa-text-body-l: 18px;
  --tawsa-text-body: 16px;
  --tawsa-text-small: 14px;
  --tawsa-text-micro: 12px;

  /* ---- Hauteurs de ligne ---- */
  --tawsa-lh-tight: 1.1;
  --tawsa-lh-snug: 1.25;
  --tawsa-lh-body: 1.7;

  /* ---- Espacements (système 8px) ---- */
  --tawsa-space-1: 4px;
  --tawsa-space-2: 8px;
  --tawsa-space-3: 16px;
  --tawsa-space-4: 24px;
  --tawsa-space-5: 32px;
  --tawsa-space-6: 48px;
  --tawsa-space-7: 64px;
  --tawsa-space-8: 96px;
  --tawsa-space-9: 128px;
  --tawsa-space-10: 160px;

  /* ---- Rayons ---- */
  --tawsa-radius-sm: 4px;
  --tawsa-radius-md: 6px;
  --tawsa-radius-lg: 12px;

  /* ---- Ombres ---- */
  --tawsa-shadow-sm: 0 1px 2px rgba(11, 31, 58, 0.04);
  --tawsa-shadow-md: 0 4px 12px rgba(11, 31, 58, 0.06), 0 1px 3px rgba(11, 31, 58, 0.04);
  --tawsa-shadow-lg: 0 16px 40px rgba(11, 31, 58, 0.08), 0 4px 12px rgba(11, 31, 58, 0.04);

  /* ---- Transitions ---- */
  --tawsa-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --tawsa-duration: 240ms;

  /* ---- Grille ---- */
  --tawsa-container: 1280px;
  --tawsa-container-narrow: 960px;
}

/* ============================================================
   Reset léger + bases typographiques
   ============================================================ */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--tawsa-sans);
  font-size: var(--tawsa-text-body);
  line-height: var(--tawsa-lh-body);
  color: var(--tawsa-anthracite);
  background: var(--tawsa-blanc-casse);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: var(--tawsa-serif);
  color: var(--tawsa-bleu-nuit);
  margin: 0;
  line-height: var(--tawsa-lh-tight);
  font-weight: 600;
  letter-spacing: -0.01em;
}
h4, h5, h6 {
  font-family: var(--tawsa-display);
  color: var(--tawsa-bleu-nuit);
  margin: 0;
  line-height: var(--tawsa-lh-snug);
  font-weight: 600;
}
h1 { font-size: var(--tawsa-text-h1); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: var(--tawsa-text-h2); }
h3 { font-size: var(--tawsa-text-h3); }
h4 { font-size: var(--tawsa-text-h4); }
h5 { font-size: var(--tawsa-text-h5); text-transform: uppercase; letter-spacing: 0.12em; font-weight: 500; }
h6 { font-size: var(--tawsa-text-h6); }

p { margin: 0; }

a { color: var(--tawsa-bleu-nuit); text-decoration: none; }

/* ============================================================
   Composants (classes utilitaires de référence)
   ============================================================ */

/* — Boutons — */
.tawsa-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-family: var(--tawsa-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--tawsa-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--tawsa-duration) var(--tawsa-ease);
  text-decoration: none;
  line-height: 1;
}
.tawsa-btn--primary {
  background: var(--tawsa-bleu-nuit);
  color: var(--tawsa-blanc-casse);
}
.tawsa-btn--primary:hover {
  background: var(--tawsa-dore);
  color: var(--tawsa-bleu-nuit);
}
.tawsa-btn--secondary {
  background: transparent;
  color: var(--tawsa-bleu-nuit);
  padding: 8px 0;
  border-radius: 0;
  border-bottom: 1px solid var(--tawsa-bleu-nuit);
}
.tawsa-btn--secondary:hover {
  color: var(--tawsa-dore);
  border-bottom-color: var(--tawsa-dore);
}
.tawsa-btn--alert {
  background: var(--tawsa-rouge-alerte);
  color: var(--tawsa-blanc-casse);
}
.tawsa-btn--alert:hover {
  background: #962F2F;
}

/* — Card standard — */
.tawsa-card {
  background: var(--tawsa-blanc-casse);
  border: 1px solid var(--tawsa-gris-bordure);
  border-radius: var(--tawsa-radius-md);
  padding: 40px 36px;
  box-shadow: var(--tawsa-shadow-sm);
  transition: box-shadow var(--tawsa-duration) var(--tawsa-ease),
              transform var(--tawsa-duration) var(--tawsa-ease),
              border-color var(--tawsa-duration) var(--tawsa-ease);
}
.tawsa-card:hover {
  box-shadow: var(--tawsa-shadow-md);
  border-color: var(--tawsa-bleu-nuit-12);
}