.product-card .product-card-inner {
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
    will-change: transform;
}

.product-card:hover .product-card-inner,
.product-card:focus-visible .product-card-inner {
    transform: translateY(-4px);
    box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.10);
    border-color: var(--color1) !important;
}

.product-card .product-card-inner {
    position: relative;
    overflow: hidden;
}

.product-card .product-card-inner::before {
    content: "";
    position: absolute;
    inset: -2px;
    background: radial-gradient(600px circle at 20% 20%, rgba(0, 0, 0, 0.06), transparent 35%),
        radial-gradient(600px circle at 80% 10%, rgba(0, 0, 0, 0.05), transparent 40%);
    opacity: 0;
    transition: opacity 200ms ease;
    pointer-events: none;
}

.product-card:hover .product-card-inner::before,
.product-card:focus-visible .product-card-inner::before {
    opacity: 1;
}

.product-icon {
    width: 44px;
    height: 44px;
    font-size: 20px;
    flex: 0 0 44px;
}

.product-section {
    scroll-margin-top: 110px;
}

.product-toc a:hover,
.product-toc a:focus-visible {
    border-color: var(--color1) !important;
}

.product-detail-card hr {
    border-color: rgba(0, 0, 0, 0.12);
}

@media (prefers-reduced-motion: reduce) {
    .product-card .product-card-inner {
        transition: none;
    }

    .product-card .product-card-inner::before {
        transition: none;
    }
}