/* Effets 3D pour les livres */
.book-cover-3d {
  position: relative;
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: all 0.6s ease;
  cursor: pointer;
}

.book-cover-3d img {
  transform: rotateY(-5deg) rotateX(2deg);
  box-shadow:
    -10px 10px 20px rgba(0, 0, 0, 0.3),
    -20px 20px 40px rgba(0, 0, 0, 0.2),
    0 0 20px rgba(218, 165, 32, 0.1);
  transition: all 0.4s ease;
  border-radius: 4px;
}

.book-cover-3d:hover img {
  transform: rotateY(0deg) rotateX(0deg) scale(1.05);
  box-shadow:
    0 20px 40px rgba(0, 0, 0, 0.4),
    0 30px 60px rgba(0, 0, 0, 0.3),
    0 0 30px rgba(218, 165, 32, 0.3);
}

/* Effet de brillance sur hover */
.book-cover-3d::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 1;
}

.book-cover-3d:hover::before {
  opacity: 1;
}

/* Effet de dos de livre */
.book-cover-3d::after {
  content: '';
  position: absolute;
  top: 0;
  left: -8px;
  width: 8px;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.3),
    rgba(0, 0, 0, 0.1)
  );
  transform: skewY(-2deg);
  border-radius: 2px 0 0 2px;
  transition: all 0.4s ease;
}

.book-cover-3d:hover::after {
  left: -4px;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.2),
    rgba(0, 0, 0, 0.05)
  );
}

/* Mobile: reduce 3D effects to prevent clipping */
@media (max-width: 767px) {
  .book-cover-3d {
    max-width: 100%;
    display: flex;
    justify-content: center;
  }

  .book-cover-3d img {
    transform: rotateY(-2deg) rotateX(1deg);
    max-width: 90%;
    max-height: 180px;
    width: auto;
    height: auto;
  }

  .book-cover-3d:hover img {
    transform: rotateY(0deg) rotateX(0deg) scale(1.02);
  }

  .book-cover-3d::after {
    left: -4px;
    width: 4px;
  }
}

/* Effets 3D pour les événements */
.event-image-3d {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: all 0.5s ease;
}

.event-image-3d img {
  transform: scale(1) rotateX(0deg) rotateY(0deg);
  transition: all 0.5s ease;
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.3),
    0 5px 15px rgba(0, 0, 0, 0.2);
}

.event-image-3d:hover img {
  transform: scale(1.1) rotateX(2deg) rotateY(2deg);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.4),
    0 10px 25px rgba(0, 0, 0, 0.3),
    0 0 40px rgba(218, 165, 32, 0.3);
}

/* Overlay avec gradient doré */
.event-image-3d::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(218, 165, 32, 0.2) 0%,
    transparent 50%,
    rgba(218, 165, 32, 0.2) 100%
  );
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 1;
  pointer-events: none;
}

.event-image-3d:hover::before {
  opacity: 1;
}

/* Animation de pulsation pour les événements à venir */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow:
      0 10px 30px rgba(0, 0, 0, 0.3),
      0 5px 15px rgba(0, 0, 0, 0.2);
  }
  50% {
    box-shadow:
      0 10px 30px rgba(0, 0, 0, 0.3),
      0 5px 15px rgba(0, 0, 0, 0.2),
      0 0 20px rgba(218, 165, 32, 0.4);
  }
}

.event-image-3d.upcoming img {
  animation: pulse-glow 3s ease-in-out infinite;
}

/* Effet de carte qui se soulève */
.card-lift {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-lift:hover {
  transform: translateY(-10px);
}

/* Effet de page qui tourne */
.page-turn {
  transform-origin: left center;
  transition: transform 0.6s ease;
}

.page-turn:hover {
  transform: rotateY(-15deg);
}

/* Container pour effet 3D */
.perspective-container {
  perspective: 1500px;
  perspective-origin: center;
}

/* Effet de profondeur */
.depth-effect {
  position: relative;
}

.depth-effect::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  right: -10px;
  bottom: -10px;
  background: linear-gradient(135deg, rgba(0,0,0,0.2), rgba(0,0,0,0.05));
  border-radius: 12px;
  z-index: -1;
  transition: all 0.4s ease;
}

.depth-effect:hover::before {
  top: 15px;
  left: 15px;
  right: -15px;
  bottom: -15px;
  opacity: 0.8;
}

/* Glare effect (reflet) */
.glare-effect {
  position: relative;
  overflow: hidden;
}

.glare-effect::after {
  content: '';
  position: absolute;
  top: -100%;
  left: -100%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 70%
  );
  transform: rotate(45deg);
  transition: all 0.6s ease;
}

.glare-effect:hover::after {
  top: 100%;
  left: 100%;
}