/* ================================
   PRODUCT DETAIL PAGE STYLES
   Individual product information pages
   ================================ */

/* Dark Navbar for Product Pages */
.navbar.navbar-dark {
    background: linear-gradient(135deg, #0a1929 0%, var(--color-primary-dark) 100%) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15) !important;
}

.navbar.navbar-dark .logo-img {
    filter: brightness(0) invert(1);
}

.navbar.navbar-dark .nav-links a {
    color: rgba(255, 255, 255, 0.85) !important;
}

.navbar.navbar-dark .nav-links a:hover {
    color: var(--color-white) !important;
}

.navbar.navbar-dark .nav-links a.active {
    color: var(--color-white) !important;
}

.navbar.navbar-dark .nav-links a.active::after {
    background: var(--color-accent-light);
}

.navbar.navbar-dark .mobile-menu-btn span {
    background: var(--color-white) !important;
}

/* Product Hero */
.product-hero {
    padding: 120px 0 40px;
    background: var(--color-off-white);
}

.product-hero .section-container {
    max-width: 1280px;
}

/* Override breadcrumb colors for light background */
.product-hero .breadcrumb {
    opacity: 1;
}

.product-hero .breadcrumb a {
    color: var(--color-gray-500);
}

.product-hero .breadcrumb a:hover {
    color: var(--color-primary);
}

.product-hero .breadcrumb span {
    color: var(--color-gray-400);
}

.product-hero .breadcrumb .current {
    color: var(--color-primary);
    font-weight: 500;
}

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

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

.product-main-image {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    border: 1px solid var(--color-gray-100);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.product-main-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: pointer;
}

.product-main-image img:hover {
    opacity: 0.95;
}

.product-main-image .image-placeholder {
    width: 200px;
    height: 200px;
    color: var(--color-primary);
    opacity: 0.4;
}

.product-main-image .image-placeholder svg {
    width: 100%;
    height: 100%;
}

.product-thumbnails {
    display: flex;
    gap: var(--space-sm);
}

.thumbnail {
    width: 80px;
    height: 80px;
    background: var(--color-white);
    border: 2px solid var(--color-gray-100);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.thumbnail svg {
    width: 100%;
    height: 100%;
}

.thumbnail img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Product Details */
.product-details {
    padding-top: var(--space-md);
}

.product-category-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.product-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--color-gray-800);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.product-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: var(--space-xl);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-400);
}

.meta-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

.product-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

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

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Product Description Section */
.product-description-section {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.description-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
}

.description-content h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    color: var(--color-gray-800);
}

.description-content p {
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.description-content h3 {
    font-size: 1.125rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    color: var(--color-gray-800);
}

.description-content ul {
    list-style: none;
    padding: 0;
}

.description-content ul li {
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-sm);
    color: var(--color-gray-600);
}

.description-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 600;
}

/* Specifications Sidebar */
.specifications-card {
    background: var(--color-off-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: sticky;
    top: 100px;
}

.specifications-card h3 {
    font-size: 1rem;
    margin-bottom: var(--space-lg);
    color: var(--color-gray-800);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-primary);
}

.spec-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-gray-200);
}

.spec-item:last-child {
    border-bottom: none;
}

.spec-name {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.spec-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
    text-align: right;
}

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

.related-products h2 {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

/* CTA Banner */
.product-cta-banner {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #0a1929 100%);
    color: var(--color-white);
    text-align: center;
}

.product-cta-banner h2 {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.product-cta-banner p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive */
@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .product-gallery {
        position: static;
    }
    
    .description-grid {
        grid-template-columns: 1fr;
    }
    
    .specifications-card {
        position: static;
    }
}

@media (max-width: 768px) {
    .product-hero {
        padding: 100px 0 30px;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-meta {
        gap: var(--space-md);
    }
}

/* ================================
   FEATURE BLOCKS
   ================================ */
.product-features-section {
    background: var(--color-gray-50);
    padding: var(--space-3xl) 0;
}

.product-features-section h2 {
    font-size: 2rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-2xl);
    text-align: center;
}

.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-3xl);
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.feature-block.reverse {
    direction: rtl;
}

.feature-block.reverse > * {
    direction: ltr;
}

.feature-block:last-of-type {
    margin-bottom: var(--space-xl);
}

.feature-block h3 {
    color: var(--color-primary);
    font-size: 1.35rem;
    margin-bottom: var(--space-md);
}

.feature-block-text {
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-3xl);
    border-left: 4px solid var(--color-primary);
}

.feature-block-text h3 {
    color: var(--color-primary);
    font-size: 1.35rem;
    margin-bottom: var(--space-md);
}

.feature-block-text p {
    color: var(--color-gray-600);
    line-height: 1.8;
    font-size: 1rem;
}

.feature-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.feature-content p {
    color: var(--color-gray-600);
    line-height: 1.8;
    font-size: 1rem;
}

.feature-steps {
    list-style: decimal;
    padding-left: var(--space-lg);
    color: var(--color-gray-600);
    line-height: 1.8;
}

.feature-steps li {
    margin-bottom: var(--space-md);
}

.feature-list {
    list-style: none;
    padding: 0;
    color: var(--color-gray-600);
    line-height: 1.8;
}

.feature-list li {
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
    position: relative;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 600;
}

.feature-note {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--color-gray-600);
}

/* Comparison Table */
.feature-table-wrapper {
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-3xl);
}

.feature-table-wrapper h3 {
    color: var(--color-primary);
    font-size: 1.35rem;
    margin-bottom: var(--space-lg);
}

.comparison-table-container {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
}

.comparison-table th {
    background: var(--color-gray-50);
    color: var(--color-primary-dark);
    font-weight: 600;
    white-space: nowrap;
}

.comparison-table td {
    color: var(--color-gray-600);
}

.comparison-table .highlight-row {
    background: linear-gradient(135deg, rgba(0, 82, 147, 0.08) 0%, rgba(0, 82, 147, 0.03) 100%);
}

.comparison-table .highlight-row td {
    color: var(--color-primary);
}

/* Characteristics Grid */
.characteristics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.characteristic-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-lg);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-primary);
}

.characteristic-item strong {
    color: var(--color-primary-dark);
    font-size: 1rem;
}

.characteristic-item span {
    color: var(--color-gray-600);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .comparison-table {
        font-size: 0.85rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--space-sm);
    }
}

.feature-image-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-white);
    border: 1px solid var(--color-gray-100);
}

.feature-image {
    width: 100%;
    height: auto;
    display: block;
}

.feature-video-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #000;
}

.feature-highlight {
    text-align: center;
    padding: var(--space-2xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    color: var(--color-white);
}

.feature-highlight h3 {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.feature-highlight p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

@media (max-width: 900px) {
    .feature-block {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .feature-block.reverse {
        direction: ltr;
    }
    
    .feature-image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .feature-video-wrapper {
        max-width: 100%;
    }
}

/* ================================
   ACTUAL PRODUCT IMAGES
   ================================ */
.product-actual-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.product-main-image.zoomable {
    cursor: zoom-in;
    position: relative;
}

.product-main-image.zoomable:hover {
    box-shadow: var(--shadow-lg);
}

/* Zoom Overlay */
.zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 999999;
    display: none;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
}

.zoom-overlay.active {
    display: flex !important;
}

.zoom-image {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.zoom-close {
    position: absolute;
    top: 20px;
    right: 30px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 40px;
    cursor: pointer;
    padding: 5px 15px;
    line-height: 1;
    border-radius: 4px;
    transition: background 0.2s;
}

.zoom-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.zoom-hint {
    position: absolute;
    bottom: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-main-image.zoomable:hover .zoom-hint {
    opacity: 1;
}

.thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ================================
   IMAGE ZOOM MODAL
   ================================ */
.image-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
    padding: 20px;
    cursor: zoom-out;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: white;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10001;
}

.modal-close:hover {
    color: var(--color-accent-light);
}

.modal-content {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .modal-close {
        top: 15px;
        right: 20px;
        font-size: 30px;
    }
    
    .zoom-hint {
        display: none;
    }
}

/* ================================
   LARGE SCREEN ENHANCEMENTS (1400px+)
   ================================ */
@media (min-width: 1400px) {
    .product-hero {
        padding: 140px 0 60px;
    }
    
    .product-hero .section-container {
        max-width: 1400px;
    }
    
    .product-layout {
        gap: var(--space-4xl);
    }
    
    .product-title {
        font-size: 2.75rem;
    }
    
    .product-subtitle {
        font-size: 1.25rem;
    }
    
    .description-grid {
        gap: var(--space-4xl);
    }
    
    .feature-block {
        gap: var(--space-3xl);
        padding: var(--space-2xl);
    }
    
    .feature-block h3 {
        font-size: 1.5rem;
    }
    
    .feature-content p {
        font-size: 1.0625rem;
    }
    
    .related-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1600px) {
    .product-hero .section-container {
        max-width: 1520px;
    }
    
    .product-main-image {
        padding: var(--space-3xl);
    }
    
    .product-title {
        font-size: 3rem;
    }
    
    .description-content h2 {
        font-size: 1.75rem;
    }
    
    .product-features-section h2 {
        font-size: 2.25rem;
    }
    
    .characteristics-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1920px) {
    .product-hero .section-container {
        max-width: 1680px;
    }
    
    .product-hero {
        padding: 160px 0 80px;
    }
    
    .product-gallery {
        max-width: 700px;
    }
}