.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0,0,0,0.10);
}

.product-card .product-images {
    position: relative;
    overflow: hidden;
}
.product-card .product-images img {
    transition: opacity 0.4s ease;
    backface-visibility: hidden;
}
.product-card .product-images img.alt {
    position: absolute;
    inset: 0;
    opacity: 0;
}
.product-card:hover .product-images img.primary { opacity: 0; }
.product-card:hover .product-images img.alt { opacity: 1; }

.product-card .product-actions {
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
    pointer-events: none;
}
.product-card:hover .product-actions {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.product-card .sale-ribbon {
    position: absolute;
    top: 8px;
    inset-inline-start: 8px;
    background: #e74c3c;
    color: #fff;
    padding: 2px 8px;
    font-size: 0.75rem;
    border-radius: 3px;
    z-index: 2;
}
@keyframes sale-wobble {
    0%, 100% { transform: rotate(0); }
    25% { transform: rotate(-3deg); }
    75% { transform: rotate(3deg); }
}
.product-card:hover .sale-ribbon { animation: sale-wobble 0.4s ease; }