.product-details-main {
    padding: 2rem 0;
    background: #ffffff;
    min-height: calc(100vh - 80px);
    height: auto;
}

.product-details-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    max-width: 1500px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

.product-details-gallery {
    position: relative;
}

.product-details-main-image {
    position: relative;
    background: #fafbfc;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1rem;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e8ecef;
    transition: all 0.3s ease;
    max-width: 100%;
    width: 100%;
}

.product-details-main-image:hover {
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.08);
    border-color: #007bff;
}

.product-details-main-image img {
    width: 85%;
    height: 85%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.product-details-main-image:hover img {
    transform: scale(1.05);
}

.product-details-zoom {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.product-details-zoom i {
    font-size: 12px;
    color: #495057;
}

.product-details-main-image:hover .product-details-zoom {
    opacity: 1;
    transform: scale(1.1);
}

.product-details-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    width: 100%;
    max-width: 100%;
}

.product-details-thumbnail {
    aspect-ratio: 1;
    background: #fafbfc;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    width: 100%;
    min-height: 0;
}

.product-details-thumbnail:hover {
    border-color: #007bff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.15);
}

.product-details-thumbnail.active {
    border-color: #007bff;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.product-details-thumbnail img {
    width: 80%;
    height: 80%;
    object-fit: contain;
}

.product-details-info {
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.product-details-header {
    margin-bottom: 2rem;
}

.product-details-category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #6c757d;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    padding: 0.375rem 0.75rem;
    background: #f8f9fa;
    border-radius: 20px;
    font-weight: 500;
    width: fit-content;
}

.product-details-category i {
    font-size: 0.75rem;
}

.product-details-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: #212529;
    margin: 0 0 0.75rem 0;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.product-details-code {
    color: #6c757d;
    font-size: 0.875rem;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    background: #f8f9fa;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    display: inline-block;
    font-weight: 500;
}

.product-details-overview {
    margin-bottom: 2rem;
}

.product-details-overview p {
    color: #495057;
    line-height: 1.6;
    font-size: 1rem;
    margin: 0;
    opacity: 0.9;
}

.product-details-features {
    margin-bottom: 2.5rem;
}

.product-details-features h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #212529;
    margin: 0 0 1.25rem 0;
}

.product-details-feature-list {
    display: grid;
    gap: 0.875rem;
}

.product-details-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(40, 167, 69, 0.05);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.product-details-feature:hover {
    background: rgba(40, 167, 69, 0.1);
    transform: translateX(4px);
}

.product-details-feature i {
    color: #28a745;
    font-size: 0.75rem;
    width: 16px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-details-feature span {
    color: #495057;
    font-size: 0.875rem;
    font-weight: 500;
}

.product-details-actions {
    margin-top: auto;
    padding-top: 1rem;
}

.product-details-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.product-details-btn {
    padding: 0.875rem 1.5rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.product-details-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.product-details-btn:hover::before {
    left: 100%;
}

.product-details-btn i {
    font-size: 0.75rem;
}

.product-details-btn.primary {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.product-details-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.product-details-btn.secondary {
    background: #ffffff;
    color: #495057;
    border: 1px solid #dee2e6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.product-details-btn.secondary:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.product-details-btn.tertiary {
    background: transparent;
    color: #6c757d;
    border: 1px solid #dee2e6;
}

.product-details-btn.tertiary:hover {
    background: #f8f9fa;
    color: #495057;
    border-color: #adb5bd;
}

.product-details-tabs {
    margin: 4rem 0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

.product-details-tab-nav {
    display: flex;
    background: #f8f9fa;
    border-radius: 12px;
    padding: 0.25rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.product-details-tab-nav::-webkit-scrollbar {
    display: none;
}

.product-details-tab-btn {
    padding: 0.875rem 1.25rem;
    background: none;
    border: none;
    cursor: pointer;
    color: #6c757d;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    border-radius: 8px;
    transition: all 0.3s ease;
    flex: 1;
    justify-content: center;
    position: relative;
}

.product-details-tab-btn i {
    font-size: 0.75rem;
}

.product-details-tab-btn:hover {
    color: #495057;
    background: rgba(255, 255, 255, 0.5);
}

.product-details-tab-btn.active {
    color: #007bff;
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.product-details-tab-content {
    min-height: 200px;
    background: white;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    padding: 2rem;
}

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

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

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

.product-details-spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.product-details-spec-item {
    padding: 1.5rem;
    background: #fafbfc;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
    position: relative;
}

.product-details-spec-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-color: #007bff;
}

.product-details-spec-label {
    font-size: 0.875rem;
    color: #6c757d;
    margin-bottom: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-details-spec-value {
    font-size: 1.125rem;
    color: #212529;
    font-weight: 700;
    line-height: 1.3;
}

.product-details-materials {
    display: grid;
    gap: 1.5rem;
}

.product-details-material-card {
    padding: 2rem;
    background: linear-gradient(135deg, #fafbfc 0%, #f8f9fa 100%);
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.product-details-material-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.product-details-material-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.product-details-material-header i {
    color: #007bff;
    font-size: 1.25rem;
    width: 32px;
    height: 32px;
    background: rgba(0, 123, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-details-material-header h4 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: #212529;
}

.product-details-material-card p {
    margin: 0;
    color: #495057;
    line-height: 1.6;
    font-size: 0.9375rem;
}

.product-details-cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
}

.product-details-cert-item {
    padding: 2rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-details-cert-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #28a745, #20c997);
}

.product-details-cert-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.15);
}

.product-details-cert-item i {
    font-size: 2rem;
    color: #28a745;
    margin-bottom: 1rem;
    width: 64px;
    height: 64px;
    background: rgba(40, 167, 69, 0.1);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.product-details-cert-item h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: #212529;
}

.product-details-cert-item p {
    margin: 0;
    color: #6c757d;
    font-size: 0.875rem;
    line-height: 1.5;
}

.product-details-doc-list {
    display: grid;
    gap: 1rem;
}

.product-details-doc-item {
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.product-details-doc-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
}

.product-details-doc-item i {
    font-size: 1.5rem;
    color: #dc3545;
    width: 48px;
    height: 48px;
    background: rgba(220, 53, 69, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.product-details-doc-info {
    flex: 1;
}

.product-details-doc-info h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: #212529;
}

.product-details-doc-info p {
    margin: 0;
    color: #6c757d;
    font-size: 0.875rem;
    line-height: 1.4;
}

.product-details-doc-btn {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-details-doc-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.product-details-doc-btn:hover::before {
    left: 100%;
}

.product-details-doc-btn i {
    font-size: 0.875rem;
    color: white;
    width: auto;
    height: auto;
    background: none;
    border-radius: 0;
}

.product-details-doc-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.product-details-related {
    margin: 4rem 0;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

.product-details-related-header {
    text-align: center;
    margin-bottom: 3rem;
}

.product-details-related-header h3 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: #212529;
    margin: 0 0 1rem 0;
    letter-spacing: -0.01em;
}

.product-details-related-header p {
    color: #6c757d;
    font-size: 1.125rem;
    margin: 0;
    opacity: 0.9;
}

.product-details-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-details-related-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e9ecef;
    transition: all 0.4s ease;
    position: relative;
}

.product-details-related-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.05), rgba(0, 123, 255, 0.02));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-details-related-card:hover::before {
    opacity: 1;
}

.product-details-related-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #007bff;
}

.product-details-related-image {
    aspect-ratio: 16/10;
    background: #fafbfc;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.product-details-related-image img {
    width: 80%;
    height: 80%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.product-details-related-card:hover .product-details-related-image img {
    transform: scale(1.1);
}

.product-details-related-content {
    padding: 1.5rem;
    position: relative;
    z-index: 2;
}

.product-details-related-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #212529;
    margin: 0 0 0.75rem 0;
    line-height: 1.3;
}

.product-details-related-content p {
    color: #6c757d;
    font-size: 0.9375rem;
    line-height: 1.5;
    margin: 0 0 1.5rem 0;
    opacity: 0.9;
}

.product-details-related-btn {
    background: none;
    border: none;
    color: #007bff;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    padding: 0;
}

.product-details-related-btn:hover {
    gap: 0.75rem;
    color: #0056b3;
}

.product-details-related-btn i {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.product-details-related-btn:hover i {
    transform: translateX(2px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .product-details-content {
        gap: 2rem;
        padding: 0 1.5rem;
    }
    
    .product-details-gallery {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .product-details-main-image {
        aspect-ratio: 4/3;
        margin-bottom: 0.75rem;
    }
    
    .product-details-main-image img {
        width: 75%;
        height: 75%;
    }
    
    .product-details-thumbnails {
        gap: 0.5rem;
    }
    
    .product-details-thumbnail img {
        width: 70%;
        height: 70%;
    }
    
    .product-details-related-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .product-details-main {
        padding: 1.5rem 0;
    }
    
    .product-details-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .product-details-gallery {
        max-width: 400px;
        margin: 0 auto;
        order: 1;
    }
    
    .product-details-main-image {
        aspect-ratio: 1;
        margin-bottom: 0.75rem;
        border-radius: 8px;
    }
    
    .product-details-main-image img {
        width: 70%;
        height: 70%;
    }
    
    .product-details-zoom {
        width: 28px;
        height: 28px;
        top: 8px;
        right: 8px;
    }
    
    .product-details-zoom i {
        font-size: 10px;
    }
    
    .product-details-thumbnails {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }
    
    .product-details-thumbnail {
        border-radius: 6px;
        border-width: 1px;
    }
    
    .product-details-thumbnail img {
        width: 65%;
        height: 65%;
    }
    
    .product-details-info {
        padding: 0;
        order: 2;
    }
    
    .product-details-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }
    
    .product-details-buttons {
        flex-direction: column;
    }
    
    .product-details-btn {
        justify-content: center;
        width: 100%;
    }
    
    .product-details-tab-nav {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .product-details-tab-btn {
        width: 100%;
        justify-content: flex-start;
        padding: 1rem 1.25rem;
    }
    
    .product-details-tab-content {
        padding: 1.5rem;
    }
    
    .product-details-spec-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .product-details-cert-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .product-details-related-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-details-related-header h3 {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }
    
    .product-details-tabs,
    .product-details-related {
        margin: 3rem 0;
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .product-details-main {
        padding: 1rem 0;
    }
    
    .product-details-content {
        padding: 0 0.75rem;
        gap: 1.5rem;
    }
    
    .product-details-gallery {
        max-width: 320px;
        margin: 0 auto;
    }
    
    .product-details-main-image {
        aspect-ratio: 1;
        margin-bottom: 0.5rem;
        border-radius: 6px;
    }
    
    .product-details-main-image img {
        width: 65%;
        height: 65%;
    }
    
    .product-details-zoom {
        width: 24px;
        height: 24px;
        top: 6px;
        right: 6px;
        border-radius: 6px;
    }
    
    .product-details-zoom i {
        font-size: 8px;
    }
    
    .product-details-thumbnails {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.4rem;
    }
    
    .product-details-thumbnail {
        border-radius: 4px;
        border-width: 1px;
    }
    
    .product-details-thumbnail img {
        width: 60%;
        height: 60%;
    }
    
    .product-details-feature {
        padding: 0.5rem;
        font-size: 0.875rem;
    }
    
    .product-details-tab-content {
        padding: 1rem;
    }
    
    .product-details-tab-btn {
        padding: 0.875rem 1rem;
        font-size: 0.8125rem;
    }
    
    .product-details-tab-btn i {
        font-size: 0.6875rem;
    }
    
    .product-details-cert-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .product-details-cert-item {
        padding: 1.5rem;
    }
    
    .product-details-spec-item {
        padding: 1rem;
    }
    
    .product-details-material-card {
        padding: 1.5rem;
    }
    
    .product-details-doc-item {
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .product-details-related-content {
        padding: 1.25rem;
    }
    
    .product-details-tabs,
    .product-details-related {
        margin: 2rem 0;
        padding: 0 0.75rem;
    }
}

@media (max-width: 360px) {
    .product-details-content {
        padding: 0 0.5rem;
        gap: 1.25rem;
    }
    
    .product-details-gallery {
        max-width: 280px;
        margin: 0 auto;
    }
    
    .product-details-main-image {
        margin-bottom: 0.4rem;
        border-radius: 4px;
    }
    
    .product-details-main-image img {
        width: 60%;
        height: 60%;
    }
    
    .product-details-zoom {
        width: 20px;
        height: 20px;
        top: 4px;
        right: 4px;
        border-radius: 4px;
    }
    
    .product-details-zoom i {
        font-size: 6px;
    }
    
    .product-details-thumbnails {
        grid-template-columns: 1fr 1fr;
        gap: 0.3rem;
    }
    
    .product-details-thumbnail {
        border-radius: 3px;
    }
    
    .product-details-thumbnail img {
        width: 55%;
        height: 55%;
    }
    
    .product-details-buttons {
        gap: 0.5rem;
    }
    
    .product-details-btn {
        padding: 0.75rem 1rem;
        font-size: 0.8125rem;
    }
    
    .product-details-tab-nav {
        padding: 0.125rem;
    }
    
    .product-details-related-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .product-details-tabs,
    .product-details-related {
        padding: 0 0.5rem;
        margin: 1.5rem 0;
    }
}

@media (max-width: 320px) {
    .product-details-gallery {
        max-width: 250px;
        margin: 0 auto;
    }
    
    .product-details-main-image {
        margin-bottom: 0.3rem;
        border-radius: 3px;
    }
    
    .product-details-main-image img {
        width: 55%;
        height: 55%;
    }
    
    .product-details-zoom {
        width: 18px;
        height: 18px;
        top: 3px;
        right: 3px;
        border-radius: 3px;
    }
    
    .product-details-zoom i {
        font-size: 5px;
    }
    
    .product-details-thumbnails {
        grid-template-columns: 1fr 1fr;
        gap: 0.25rem;
    }
    
    .product-details-thumbnail {
        border-radius: 2px;
    }
    
    .product-details-thumbnail img {
        width: 50%;
        height: 50%;
    }
    
    .product-details-content {
        gap: 1rem;
        padding: 0 0.25rem;
    }
    
    .product-details-tabs,
    .product-details-related {
        padding: 0 0.25rem;
        margin: 1rem 0;
    }
}

/* Portrait orientation specific adjustments */
@media (max-width: 768px) and (orientation: portrait) {
    .product-details-gallery {
        max-width: 350px;
    }
    
    .product-details-main-image {
        aspect-ratio: 4/3;
    }
    
    .product-details-thumbnails {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.4rem;
    }
}

@media (max-width: 480px) and (orientation: portrait) {
    .product-details-gallery {
        max-width: 300px;
    }
    
    .product-details-thumbnails {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Landscape orientation for small devices */
@media (max-width: 768px) and (orientation: landscape) {
    .product-details-content {
        grid-template-columns: 1fr 1.2fr;
        gap: 1.5rem;
    }
    
    .product-details-gallery {
        max-width: 300px;
        order: 1;
    }
    
    .product-details-info {
        order: 2;
    }
    
    .product-details-main-image {
        aspect-ratio: 1;
    }
    
    .product-details-thumbnails {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.3rem;
    }
}

/* Smooth scrolling for tabs */
@media (prefers-reduced-motion: no-preference) {
    .product-details-tab-nav {
        scroll-behavior: smooth;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .product-details-main-image,
    .product-details-thumbnail,
    .product-details-spec-item,
    .product-details-cert-item,
    .product-details-material_card,
    .product-details-doc-item,
    .product-details-related-card {
        border-width: 2px;
    }
    
    .product-details-btn.primary {
        background: #0056b3;
    }
    
    .product-details-feature {
        border: 1px solid #28a745;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .product-details-main-image img,
    .product-details-thumbnail,
    .product-details-btn,
    .product-details-related-card,
    .product-details-spec-item,
    .product-details-cert-item,
    .product-details-material-card,
    .product-details-doc-item {
        transition: none;
    }
    
    .product-details-tab-panel {
        animation: none;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .product-details-thumbnail:hover {
        transform: none;
        box-shadow: none;
    }
    
    .product-details-thumbnail:active {
        transform: scale(0.95);
        box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
    }
    
    .product-details-main-image:hover img {
        transform: none;
    }
    
    .product-details-zoom {
        opacity: 1;
        background: rgba(255, 255, 255, 0.9);
    }
    
    .product-details-zoom:active {
        transform: scale(0.9);
    }
    
    /* Increase touch targets for mobile */
    .product-details-thumbnail {
        min-height: 60px;
        min-width: 60px;
    }
    
    .product-details-zoom {
        min-width: 32px;
        min-height: 32px;
    }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .product-details-main-image img,
    .product-details-thumbnail img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}