/* Variables globales et effets 3D */
:root {
  /* Couleurs */
  --primary-color: #374e49;
  --secondary-color: #FFB6C1;
  --background-color: rgba(255, 228, 225, 0.8);
  --text-color: #333;
  
  /* Dimensions */
  --container-width: 80%;
  --touch-target-size: 48px;
  --border-radius: 15px;
  
  /* Effets 3D */
  --shadow-soft: 0 2px 15px rgba(0, 0, 0, 0.1);
  --shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.15);
  --shadow-inset: inset 0 2px 4px rgba(255, 255, 255, 0.5);
  --shadow-3d: 0 20px 40px -20px rgba(0, 0, 0, 0.3);
  --perspective: 1000px;
  --rotation: 3deg;
  --translate-z: 50px;
  --safe-area-inset-bottom: env(safe-area-inset-bottom);
}

/* Reset et base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

html {
  font-size: 16px;
  text-size-adjust: 100%;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
  color: var(--text-color);
  background-image: url('../images/Font.jpeg');
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Container principal avec effet 3D */
.conteneur {
  width: var(--container-width);
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px 0;
  transform-style: preserve-3d;
  perspective: var(--perspective);
}

/* Bannière avec effet 3D */
.banniere {
  width: 100%;
  height: auto;
  max-height: 247px;
  overflow: hidden;
  border-radius: var(--border-radius);
  transform: translateZ(20px);
  box-shadow: var(--shadow-3d);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.banniere:hover {
  transform: translateZ(30px);
  box-shadow: var(--shadow-strong);
}

.banniere img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* Navigation avec effet 3D */
.nav {
  background: linear-gradient(145deg, var(--primary-color), #2a3c38);
  border-radius: var(--border-radius);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-3d), var(--shadow-inset);
  transform: translateZ(10px);
  transition: transform 0.3s ease;
}

.nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  padding: 0;
  margin: 0;
}

.nav li {
  position: relative;
  flex: 1 1 auto;
}

.nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 15px;
  min-height: var(--touch-target-size);
  text-align: center;
  transform-style: preserve-3d;
  transition: transform 0.3s ease;
}

.nav a:hover {
  transform: translateZ(15px);
  background-color: rgba(255, 255, 255, 0.1);
}

/* Quiz Container */
.quiz-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px;
  transform-style: preserve-3d;
}

/* En-tête Quiz */
.quiz-header {
  margin-bottom: 2rem;
  transform-style: preserve-3d;
}

.main-title {
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 2rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
  transform: translateZ(10px);
}

/* Breadcrumb avec effet 3D */
.breadcrumb-nav {
  background: linear-gradient(145deg, rgba(255,255,255,0.95), rgba(255,255,255,0.85));
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-soft), var(--shadow-inset);
  transform: translateZ(5px);
  backdrop-filter: blur(10px);
}

.breadcrumb-list {
  display: flex;
  gap: 1rem;
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb-item {
  font-weight: 500;
}

.breadcrumb-item:not(:last-child)::after {
  content: "›";
  margin-left: 1rem;
  opacity: 0.5;
}

/* Section sélection */
.selection-section {
  margin-bottom: 2rem;
  transform-style: preserve-3d;
}

.section-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
  transform: translateZ(10px);
}

/* Grille de cartes */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.5rem;
  transform-style: preserve-3d;
}

/* Cartes avec effet 3D */
.selection-card {
  position: relative;
  background: linear-gradient(145deg, #ffffff, #f5f5f5);
  border-radius: 12px;
  padding: 1.5rem;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
}

.selection-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(255,255,255,0.4), rgba(255,255,255,0.1));
  transform: translateZ(-1px);
}

.selection-card:hover {
  transform: translateY(-10px) rotateX(var(--rotation)) translateZ(var(--translate-z));
  box-shadow: var(--shadow-3d);
}

.card-content {
  text-align: center;
  transform-style: preserve-3d;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
  transform: translateZ(20px);
  text-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.card-title {
  font-size: 1.1rem;
  margin: 0;
  color: var(--text-color);
  transform: translateZ(15px);
}

/* Bouton retour avec effet 3D */
.back-button {
  position: relative;
  background: linear-gradient(145deg, var(--primary-color), #2a3c38);
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  margin-bottom: 1.5rem;
  min-height: var(--touch-target-size);
  transform-style: preserve-3d;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft), var(--shadow-inset);
}

.back-button:hover {
  transform: translateY(-3px) translateZ(10px);
  box-shadow: var(--shadow-strong);
}

.back-button:active {
  transform: translateY(2px) translateZ(0);
  box-shadow: var(--shadow-soft);
}

/* Pied de page avec effet 3D */
.pied-de-page {
  background: linear-gradient(145deg, var(--primary-color), #2a3c38);
  color: white;
  text-align: center;
  padding: 15px;
  border-radius: var(--border-radius);
  margin-top: auto;
  transform: translateZ(15px);
  box-shadow: var(--shadow-3d), var(--shadow-inset);
}

/* Utilitaires */
.hidden-form {
  display: none;
}

/* Media Queries */
@media (max-width: 1024px) {
  :root {
    --container-width: 95%;
    --translate-z: 30px;
  }
  
  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav ul {
    flex-direction: column;
  }

  .nav li {
    width: 100%;
  }

  .nav a {
    padding: 12px;
    justify-content: flex-start;
    padding-left: 20px;
  }

  .main-title {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .selection-card {
    padding: 1rem;
  }

  .card-icon {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .quiz-container {
    padding: 10px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .breadcrumb-list {
    font-size: 0.9rem;
  }
}

/* Optimisations tactiles */
@media (hover: none) {
  :root {
    --translate-z: 0;
    --rotation: 0deg;
  }

  .selection-card:hover,
  .nav a:hover,
  .back-button:hover,
  .banniere:hover {
    transform: none;
    box-shadow: var(--shadow-soft);
  }

  .selection-card:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-soft);
  }
}

/* Support iOS */
@supports (-webkit-touch-callout: none) {
  .conteneur {
    padding-bottom: max(20px, env(safe-area-inset-bottom));
  }

  body {
    cursor: default;
  }
}

/* Support réduction de mouvement */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    transform: none !important;
    animation: none !important;
  }
}