.product-index.site-main {
    padding-top: 6rem;
    min-height: calc(100vh - var(--navbar-height, 4rem));
}

.product-category-groups {
    max-width: 960px;
    margin: 2rem auto 0;
    text-align: left;
}

.product-category-group {
    margin-bottom: 2.5rem;
}

.product-category-group__title {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #7d848c;
}

.product-category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.product-category-link {
    display: block;
    padding: 1rem 1.15rem;
    border: 1px solid #e0e0e0;
    background: #fafafa;
    color: #2f3439;
    text-decoration: none;
    text-align: center;
    letter-spacing: 0.08em;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.product-category-link:hover,
.product-category-link:focus-visible {
    background: #f0f0f0;
    border-color: #cfcfcf;
}

@media (max-width: 768px) {
    .product-index.site-main {
        padding-top: 5.5rem;
    }

    .product-category-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .product-category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}