/* Product detail — authoritative responsive layout (loads last via @stack) */

.product-detail-page {
    padding: clamp(16px, 3vw, 30px) 0 clamp(40px, 6vw, 60px);
    background: var(--bg-light, #eef2f7);
    overflow-x: clip;
}

.product-detail-page .container {
    max-width: 1200px;
    width: 100%;
}

.product-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2px 0;
    font-size: 13px;
    margin-bottom: 18px;
    color: var(--text-light, #5c6778);
    line-height: 1.5;
}
.product-breadcrumb a { color: var(--primary, #163d72); }
.product-breadcrumb__sep { margin: 0 8px; color: #c5cdd8; flex-shrink: 0; }
.product-breadcrumb__current {
    color: var(--text, #1a2332);
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* Desktop: gallery + summary left, sticky quote right, body full under left */
.product-detail-layout {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 340px) !important;
    grid-template-areas:
        "gallery sidebar"
        "summary sidebar"
        "body sidebar" !important;
    gap: 22px 28px !important;
    align-items: start;
    width: 100%;
}

.product-detail-gallery {
    grid-area: gallery;
    min-width: 0;
    background: #fff;
    border: 1px solid var(--border, #dbe3ee);
    padding: clamp(12px, 2vw, 20px);
}

.product-detail-summary {
    grid-area: summary;
    min-width: 0;
    background: #fff;
    border: 1px solid var(--border, #dbe3ee);
    padding: clamp(12px, 2vw, 20px);
}

.product-detail-body {
    grid-area: body;
    min-width: 0;
    background: #fff;
    border: 1px solid var(--border, #dbe3ee);
    padding: clamp(12px, 2vw, 20px);
}

.product-sidebar {
    grid-area: sidebar;
    min-width: 0;
    width: 100%;
}

.product-gallery-main {
    position: relative;
    border: 1px solid var(--border, #dbe3ee);
    background: #f8f9fb;
    overflow: hidden;
}
.product-gallery-main img {
    width: 100% !important;
    height: auto !important;
    max-height: none !important;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}

.product-gallery-thumbs {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding-bottom: 4px;
}
.product-gallery-thumbs .thumb {
    flex: 0 0 auto;
    width: 68px;
    height: 52px;
    padding: 0;
    border: 2px solid var(--border, #dbe3ee);
    background: none;
    cursor: pointer;
    overflow: hidden;
}
.product-gallery-thumbs .thumb.active { border-color: var(--primary, #163d72); }
.product-gallery-thumbs .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-detail-header {
    margin: 0;
    padding: 0;
    border: none;
}
.product-detail-header h1 {
    font-size: clamp(1.35rem, 4vw, 1.85rem) !important;
    line-height: 1.25;
    margin: 10px 0;
    overflow-wrap: anywhere;
    color: var(--primary, #163d72);
}
.product-lead {
    font-size: 15px;
    line-height: 1.55;
    color: var(--text-light, #5c6778);
}
.product-price-box {
    padding: 14px 16px !important;
    margin: 14px 0 !important;
}
.product-price-box .price-amount {
    font-size: clamp(1.2rem, 4vw, 1.55rem) !important;
    overflow-wrap: anywhere;
}

.product-trust-badges {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 8px !important;
    margin-top: 14px;
}
.trust-badge {
    text-align: center;
    padding: 10px 6px;
    background: var(--bg-light, #eef2f7);
    border: 1px solid var(--border, #dbe3ee);
    font-size: 11px;
    font-weight: 600;
    color: var(--primary, #163d72);
    min-width: 0;
}
.trust-badge i {
    display: block;
    font-size: 18px;
    color: var(--secondary, #e65100);
    margin-bottom: 4px;
}

.product-tabs-enhanced .tab-nav {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0;
    border-bottom: 2px solid var(--border, #dbe3ee);
    background: var(--bg-light, #eef2f7);
    scrollbar-width: thin;
}
.product-tabs-enhanced .tab-nav button {
    flex: 0 0 auto;
    white-space: nowrap;
    min-height: 46px;
    padding: 12px 14px;
    font-size: 12px;
}
.product-tabs-enhanced .tab-panel-inner {
    padding: clamp(14px, 3vw, 22px) !important;
    overflow-x: auto;
    overflow-wrap: anywhere;
    word-break: break-word;
}
.product-tabs-enhanced .tab-panel-inner img,
.product-tabs-enhanced .tab-panel-inner table,
.product-tabs-enhanced .tab-panel-inner iframe,
.product-tabs-enhanced .tab-panel-inner pre {
    max-width: 100% !important;
}

.spec-table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.spec-table {
    width: 100%;
    min-width: 0;
}
.spec-table td {
    word-break: break-word;
}

.sticky-quote,
.enhanced-quote-box {
    position: sticky;
    top: calc(var(--header-h, 72px) + 12px);
    background: #fff;
    border: 2px solid var(--secondary, #e65100);
    padding: clamp(14px, 2.5vw, 22px) !important;
    width: 100%;
    box-sizing: border-box;
}

.product-cart-form { margin-bottom: 16px; }
.product-cart-form input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border, #dbe3ee);
    font: inherit;
    min-height: 44px;
}
.product-cart-btn {
    width: 100%;
    margin-top: 8px;
}
.product-stock-note {
    font-size: 12px;
    color: var(--text-light, #5c6778);
    margin: 0 0 8px;
}
.product-sidebar-divider {
    border: none;
    border-top: 1px solid var(--border, #dbe3ee);
    margin: 16px 0;
}

.product-sidebar .form-row,
.product-sidebar .form-row-2 {
    grid-template-columns: 1fr !important;
}
.product-sidebar .form-group input,
.product-sidebar .form-group select,
.product-sidebar .form-group textarea {
    width: 100%;
    max-width: 100%;
}

.quote-contact-quick {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    margin-top: 12px;
}
.quote-phone,
.quote-whatsapp {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 44px;
    text-align: center;
    padding: 10px 8px;
    font-size: 13px;
    font-weight: 600;
    color: #fff !important;
    text-decoration: none;
}
.quote-phone { background: var(--primary, #163d72); }
.quote-whatsapp { background: #25d366; }

.related-products-section {
    margin-top: 28px;
    padding-top: 22px;
    border-top: 2px solid var(--border, #dbe3ee);
}
.related-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 14px !important;
}
.related-grid .product-card {
    min-width: 0;
}
.related-grid img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* ===== Tablet & below: single column ===== */
@media (max-width: 992px) {
    .product-detail-layout {
        grid-template-columns: 1fr !important;
        grid-template-areas:
            "gallery"
            "summary"
            "sidebar"
            "body" !important;
        gap: 0 !important;
    }

    .product-detail-gallery,
    .product-detail-summary,
    .product-detail-body,
    .product-sidebar {
        border-left: none;
        border-right: none;
    }

    .product-detail-gallery {
        border-bottom: none;
    }

    .product-detail-summary {
        border-top: none;
        border-bottom: none;
        padding-bottom: 16px;
    }

    .product-sidebar {
        margin: 0 0 12px;
    }

    .sticky-quote,
    .enhanced-quote-box {
        position: static !important;
        border-left: none;
        border-right: none;
        border-radius: 0;
    }

    .product-trust-badges {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }

    .related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }

    .quote-contact-quick {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 600px) {
    .product-detail-gallery,
    .product-detail-summary,
    .product-detail-body {
        padding-left: 12px;
        padding-right: 12px;
    }

    .product-gallery-thumbs .thumb {
        width: 58px;
        height: 46px;
    }

    .product-tabs-enhanced .tab-nav button {
        padding: 10px 12px;
        font-size: 11px;
        min-height: 44px;
    }

    .product-tabs-enhanced .tab-nav button i {
        margin-right: 4px;
    }
}

@media (max-width: 480px) {
    .related-grid {
        grid-template-columns: 1fr !important;
    }

    .product-trust-badges {
        grid-template-columns: 1fr 1fr !important;
        gap: 6px !important;
    }

    .trust-badge {
        font-size: 10px;
        padding: 8px 4px;
    }

    .product-breadcrumb {
        font-size: 12px;
    }
}