.product-card__media {
  position: relative;
}

.product-card__image.hover-image {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card__media:hover .hover-image {
  opacity: 1;
}

.product-card__media:hover .product-card__image--primary {
  opacity: 0;
}