.product-image-hover {
    position: relative;
    display: inline-block;
}

.product-image-hover img {
    display: block;
    max-width: 100%;
    height: auto;
    transition: opacity 0.5s ease;
}

.product-image-hover .hover-image {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    z-index: 10;
}

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

.product-image-hover:hover .featured-image {
    opacity: 0;
}