/* ========================================
   Product Detail Page Styles
   ======================================== */

/* Breadcrumb Section */
.breadcrumb-section {
    padding: 100px 0 0;
    background: var(--color-bg-primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb a {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.breadcrumb-separator {
    width: 16px;
    height: 16px;
    color: var(--color-text-muted);
}

.breadcrumb-current {
    font-size: 0.85rem;
    color: var(--color-text-primary);
    font-weight: 500;
}

/* ========================================
   Product Main Section
   ======================================== */
.product-main {
    padding: var(--space-2xl) 0 var(--space-3xl);
    background: var(--color-bg-primary);
}

.product-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

/* Product Gallery */
.product-gallery {
    position: sticky;
    top: 100px;
}

.gallery-main {
    position: relative;
    margin-bottom: var(--space-md);
}

.main-image-wrapper {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.main-image-wrapper:hover .main-image {
    transform: scale(1.02);
}

.image-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
}

.zoom-btn {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    width: 48px;
    height: 48px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.zoom-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg-primary);
}

.zoom-btn svg {
    width: 22px;
    height: 22px;
}

/* Gallery Navigation */
.gallery-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--space-sm);
    pointer-events: none;
}

.gallery-nav-btn {
    width: 44px;
    height: 44px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    pointer-events: auto;
    opacity: 0;
}

.gallery-main:hover .gallery-nav-btn {
    opacity: 1;
}

.gallery-nav-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg-primary);
}

.gallery-nav-btn svg {
    width: 20px;
    height: 20px;
}

/* Gallery Thumbnails */
.gallery-thumbs {
    position: relative;
    overflow: hidden;
}

.thumbs-track {
    display: flex;
    gap: var(--space-sm);
}

.thumb-item {
    flex-shrink: 0;
    width: 80px;
    height: 60px;
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
}

.thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    transition: opacity var(--transition-base);
}

.thumb-item:hover {
    border-color: rgba(201, 169, 98, 0.5);
}

.thumb-item:hover img {
    opacity: 1;
}

.thumb-item.active {
    border-color: var(--color-accent);
}

.thumb-item.active img {
    opacity: 1;
}

/* ========================================
   Product Info
   ======================================== */
.product-info {
    padding: var(--space-md) 0;
}

.product-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.product-category {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    padding: 0.4rem 0.8rem;
    background: rgba(201, 169, 98, 0.1);
    border-radius: var(--radius-sm);
}

.product-sku {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.product-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--color-text-primary);
}

.product-summary {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

/* Product Features */
.product-features {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.features-title {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.features-list {
    display: grid;
    gap: var(--space-md);
}

.features-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.feature-icon {
    width: 44px;
    height: 44px;
    background: rgba(201, 169, 98, 0.1);
    border: 1px solid rgba(201, 169, 98, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.feature-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.feature-text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

/* Product Actions */
.product-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    width: 200px;
}

.product-actions .btn {
    flex: 1;
}

.product-actions .btn svg {
    width: 20px;
    height: 20px;
}

/* Product Trust */
.product-trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

.trust-item svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

/* ========================================
   Product Details Tabs
   ======================================== */
.product-details {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

.tabs-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.tabs-nav {
    display: flex;
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.tab-btn:hover {
    color: var(--color-text-primary);
    background: rgba(201, 169, 98, 0.05);
}

.tab-btn.active {
    color: var(--color-accent);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-btn svg {
    width: 20px;
    height: 20px;
}

.tabs-content {
    padding: var(--space-xl);
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Description Content */
.description-content {
    max-width: 900px;
}

.desc-section {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
}

.desc-section:last-of-type {
    border-bottom: none;
    margin-bottom: var(--space-xl);
}

.desc-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: rgba(201, 169, 98, 0.1);
    border: 1px solid rgba(201, 169, 98, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.desc-icon svg {
    width: 32px;
    height: 32px;
}

.desc-text h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.desc-text p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.desc-text p:last-child {
    margin-bottom: 0;
}

/* Description Features Grid */
.desc-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.desc-feature {
    text-align: center;
    padding: var(--space-lg);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.feature-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.feature-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

/* Specifications Content */
.specs-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.specs-group {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.specs-group-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.specs-group-title svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid var(--color-border);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9rem;
}

.spec-name {
    color: var(--color-text-secondary);
    width: 40%;
}

.spec-value {
    color: var(--color-text-primary);
    font-weight: 500;
}

/* ========================================
   Related Products
   ======================================== */
.related-products {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-primary);
}

.related-products .section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.related-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.related-card:hover {
    transform: translateY(-8px);
    border-color: rgba(201, 169, 98, 0.3);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.related-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

/* Support real featured images for related products (WP dynamic content) */
.related-image > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ========================================
   Tab Content (WP dynamic) tweaks
   - Global CSS sets img { display:block; } which breaks inline images in editor.
   - For Application Cases tab, keep images on the same row when inserted inline.
   ======================================== */
#application-cases .entry-content img {
    display: inline-block !important;
    vertical-align: top;
    height: auto;
    margin: 0 12px 12px 0;
}

.related-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-display {
    text-align: center;
}

.display-frame {
    width: 100px;
    height: 60px;
    background: rgba(15, 15, 26, 0.8);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-sm);
    margin: 0 auto var(--space-sm);
}

.display-frame.curved {
    border-radius: 30px;
}

.display-frame.transparent {
    background: transparent;
    border-style: dashed;
}

.display-frame.touch {
    position: relative;
}

.display-frame.touch::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
}

.placeholder-text {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 500;
}

.related-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 15, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.related-card:hover .related-overlay {
    opacity: 1;
}

.btn-view {
    padding: 0.6rem 1.25rem;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.related-card:hover .btn-view {
    transform: translateY(0);
}

.btn-view:hover {
    background: var(--color-accent-light);
}

.related-info {
    padding: var(--space-lg);
}

.related-category {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.related-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
    transition: color var(--transition-base);
}

.related-card:hover .related-name {
    color: var(--color-accent);
}

.related-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================
   Product CTA Section
   ======================================== */
.product-cta {
    padding: var(--space-3xl) 0;
    position: relative;
    overflow: hidden;
}

.product-cta .cta-bg {
    position: absolute;
    inset: 0;
}

.product-cta .cta-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 50%, #1a1428 100%);
}

.product-cta .cta-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(201, 169, 98, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 50%, rgba(201, 169, 98, 0.05) 0%, transparent 30%);
}

.product-cta .cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.product-cta .cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.product-cta .cta-text {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.product-cta .cta-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Zoom Modal
   ======================================== */
.zoom-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.zoom-modal.active {
    opacity: 1;
    visibility: visible;
}

.zoom-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
}

.zoom-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.zoom-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.zoom-close:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg-primary);
}

.zoom-close svg {
    width: 24px;
    height: 24px;
}

.zoom-image {
    max-width: 100%;
    max-height: 85vh;
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1200px) {
    .product-grid {
        gap: var(--space-2xl);
    }

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

    .specs-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .product-gallery {
        position: static;
    }

    .desc-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .breadcrumb-section {
        padding-top: 80px;
    }

    .product-main {
        padding: var(--space-lg) 0 var(--space-2xl);
    }

    .product-actions {
        flex-direction: column;
    }

    .product-trust {
        flex-direction: column;
        gap: var(--space-md);
    }

    .tabs-nav {
        flex-direction: column;
    }

    .tab-btn {
        padding: var(--space-md);
    }

    .tab-btn::after {
        height: 2px;
    }

    .desc-section {
        flex-direction: column;
        gap: var(--space-md);
    }

    .desc-icon {
        width: 56px;
        height: 56px;
    }

    .desc-icon svg {
        width: 28px;
        height: 28px;
    }

    .desc-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .related-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .product-cta .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .product-cta .cta-actions .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 576px) {
    .product-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .thumb-item {
        width: 60px;
        height: 45px;
    }

    .desc-features-grid {
        grid-template-columns: 1fr;
    }

    .feature-value {
        font-size: 1.5rem;
    }
}

/* Navigation Active State */
.nav-menu a.active,
.dropdown-toggle.active {
    color: var(--color-accent);
}