.product-detail-section {
    padding: 4.5rem 0 6rem;
    background: var(--catalog-bg);
}

.back-to-products {
    display: inline-flex;
    align-items: center;
    color: var(--site-muted);
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-decoration: none;
    text-transform: uppercase;
    transition: color .2s ease;
}

.back-to-products:hover {
    color: var(--site-ink);
}

.media-frame {
    background: #fff;
    border: 1px solid var(--site-border);
    border-radius: 10px;
    box-shadow: 0 18px 50px rgba(24,34,48,.08);
    overflow: hidden;
    padding: 12px;
}

.media-frame .swiper-slide {
    overflow: hidden;
    border-radius: 12px;
    background: var(--site-bg);
}

.media-frame .swiper-slide img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    display: block;
    background: var(--site-bg);
}

.media-frame .swiper {
    padding-bottom: 26px;
}

.media-frame .swiper-button-prev,
.media-frame .swiper-button-next {
    color: var(--site-ink);
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,.94);
    border-radius: 50%;
    box-shadow: 0 4px 14px rgba(0,0,0,.14);
}

.media-frame .swiper-button-prev::after,
.media-frame .swiper-button-next::after {
    font-size: 16px;
    font-weight: 700;
}

.media-frame .swiper-pagination-bullet {
    background: #88909a;
    opacity: .45;
}

.media-frame .swiper-pagination-bullet-active {
    background: var(--site-ink);
    opacity: 1;
}

.product-image-placeholder {
    aspect-ratio: 4 / 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--site-bg);
    color: #89919a;
}

.product-image-placeholder .fa-image {
    font-size: 3rem;
}

.product-summary {
    background: #fff;
    border: 1px solid var(--site-border);
    border-radius: 10px;
    box-shadow: 0 18px 50px rgba(24,34,48,.06);
    padding: clamp(1.35rem, 2.5vw, 2rem);
}

.product-category-list {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
}

.product-category {
    color: var(--site-accent);
    background: var(--site-tint);
    border-radius: 999px;
    padding: .28rem .6rem;
    font-size: .64rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-decoration: none;
    text-transform: uppercase;
}

.product-category:hover {
    color: #fff;
    background: var(--site-accent);
}

.product-title {
    color: var(--site-ink);
    font-size: clamp(1.5rem, 2.1vw, 2rem);
    font-weight: 700;
    letter-spacing: -.025em;
    line-height: 1.12;
}

.product-intro {
    color: var(--site-muted);
    font-size: .94rem;
    line-height: 1.65;
}

.product-divider {
    width: 100%;
    height: 1px;
    margin: 1.35rem 0;
    background: var(--site-border);
}

.product-action {
    min-height: 43px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    padding: .65rem .9rem;
    font-size: .75rem;
}

.product-action[aria-disabled="true"] {
    color: #9299a2;
    background: #f3f1ed;
    border-color: #dedad3;
    cursor: not-allowed;
    pointer-events: none;
}

.product-documents-label {
    color: var(--site-muted);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.product-updated {
    font-size: .8rem;
}

.product-description-card {
    margin-top: 4rem;
    background: #fff;
    border: 1px solid var(--site-border);
    border-radius: 10px;
    padding: clamp(1.5rem, 5vw, 3.5rem);
}

.product-description-heading {
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--site-border);
}

.product-description-heading h2 {
    font-size: clamp(1.45rem, 2vw, 1.85rem);
}

.catalog-related-products .catalog-section-heading h2 {
    font-size: clamp(1.65rem, 2.6vw, 2.35rem);
}

.product-description-kicker {
    display: block;
    margin-bottom: .45rem;
    color: var(--site-accent);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.post-content {
    max-width: 900px;
    color: var(--site-muted);
    font-size: 1.02rem;
    line-height: 1.9;
}

.post-content p:last-child {
    margin-bottom: 0;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 1.25rem 0;
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
    margin-top: 1.75rem;
    margin-bottom: .9rem;
    color: var(--site-ink);
}

.post-content h1 {
    font-size: clamp(1.5rem, 2.4vw, 2.05rem);
}

.post-content h2 {
    font-size: clamp(1.4rem, 2.1vw, 1.85rem);
}

.post-content h3 {
    font-size: clamp(1.3rem, 1.8vw, 1.65rem);
}

.post-content h4,
.post-content h5,
.post-content h6 {
    font-size: clamp(1.1rem, 1.5vw, 1.4rem);
}

@media (min-width: 992px) {
    .product-summary {
        position: sticky;
        top: 110px;
    }
}

@media (max-width: 767.98px) {
    .product-detail-section {
        padding: 3.5rem 0 4rem;
    }

    .product-detail-grid {
        --reign-gutter-x: 2.5rem;
    }

    .product-description-card {
        margin-top: 3rem;
    }
}