.book-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
}

.book-card {
  position: relative;
  width: 200px;
  height: 320px;
  perspective: 1000px;
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  transition: transform 0.6s;
  background-color: #f0f0f0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-front {
  transform: rotateY(0deg);
}

.card-back {
  transform: rotateY(180deg);
  background-color: #e0e0e0;
  flex-direction: column;
  text-align: center;
}

.card-image {
  border-radius: 10px;
  display: block;
}

.book-card:hover .card-front {
  transform: rotateY(180deg);
}

.book-card:hover .card-back {
  transform: rotateY(0);
}