/* ===== PRODUCT DETAIL PAGES ===== */

/* Product Detail Hero */
.product-detail-hero {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
    background: var(--white);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
}

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

.gallery-main {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--white);
    margin-bottom: var(--spacing-md);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-main img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
    transition: opacity 0.2s ease-out;
}

.product-badges {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    z-index: 10;
}

.badge {
    padding: 6px 12px;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-hot {
    background: var(--accent-orange);
    color: var(--white);
}

.badge-new {
    background: var(--primary-blue);
    color: var(--white);
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.thumb {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-base);
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.thumb img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}

/* Product Info Main */
.product-brand-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gray-light);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.brand-logo {
    height: 24px;
    width: auto;
}

.brand-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-blue);
}

.product-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark-navy);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.stars {
    display: flex;
    gap: 4px;
    color: #FFB800;
}

.rating-text {
    font-size: 14px;
    color: var(--gray-dark);
}

.divider {
    color: var(--gray-medium);
}

.sold-count {
    font-size: 14px;
    color: var(--gray-medium);
}

.product-price-box {
    padding: var(--spacing-lg);
    background: var(--light-blue);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.price-main {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.price-label {
    font-size: 14px;
    color: var(--gray-dark);
}

.price-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-orange);
}

.price-old {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.old-price {
    font-size: 18px;
    color: var(--gray-medium);
    text-decoration: line-through;
}

.discount-badge {
    padding: 4px 8px;
    background: var(--accent-orange);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
}

.product-highlights {
    margin-bottom: var(--spacing-xl);
}

.product-highlights h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
}

.highlights-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.highlights-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 15px;
    color: var(--gray-dark);
}

.highlights-list i {
    color: var(--primary-blue);
    margin-top: 2px;
    flex-shrink: 0;
}

.product-variants {
    margin-bottom: var(--spacing-xl);
}

.product-variants h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
}

.variant-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.variant-btn {
    padding: var(--spacing-md);
    background: var(--gray-light);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-base);
    text-align: left;
}

.variant-btn:hover {
    background: var(--light-blue);
}

.variant-btn.active {
    background: var(--light-blue);
    border-color: var(--primary-blue);
}

.variant-name {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 4px;
}

.variant-area {
    display: block;
    font-size: 13px;
    color: var(--gray-medium);
}

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

.quantity-selector {
    display: flex;
    align-items: center;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.qty-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-light);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

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

.qty-input {
    width: 60px;
    height: 44px;
    text-align: center;
    border: none;
    font-size: 16px;
    font-weight: 600;
}

.btn-add-cart {
    flex: 1;
}

.product-guarantee {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--gray-dark);
}

.guarantee-item i {
    color: var(--primary-blue);
    font-size: 18px;
}

/* Product Details Section */
.product-details-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-light);
}

.product-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--gray-light);
    overflow-x: auto;
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-medium);
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--primary-blue);
}

.tab-btn.active {
    color: var(--primary-blue);
    border-bottom-color: var(--primary-blue);
}

.tab-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.tab-pane {
    display: none;
}

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

.tab-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-xl);
}

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

.specs-category h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-blue);
}

.specs-table {
    width: 100%;
}

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

.specs-table td {
    padding: var(--spacing-sm) 0;
    font-size: 15px;
}

.specs-table td:first-child {
    color: var(--gray-dark);
    width: 50%;
}

.specs-table td:last-child {
    color: var(--dark-navy);
    font-weight: 500;
}

.text-success {
    color: #10B981;
}

.text-muted {
    color: var(--gray-medium);
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.feature-card:hover {
    background: var(--light-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 32px;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.feature-benefits {
    list-style: none;
}

.feature-benefits li {
    padding-left: 20px;
    position: relative;
    font-size: 14px;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-benefits li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: 700;
}

/* Installation */
.installation-content {
    max-width: 900px;
    margin: 0 auto;
}

.installation-section {
    margin-bottom: var(--spacing-2xl);
}

.installation-section h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.installation-section h3 i {
    color: var(--primary-blue);
}

.content-box {
    padding: var(--spacing-lg);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
}

.content-box h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: var(--spacing-sm);
}

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

.content-box li {
    padding-left: 24px;
    position: relative;
    margin-bottom: var(--spacing-xs);
    font-size: 15px;
    color: var(--gray-dark);
}

.content-box li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: 700;
}

.timeline-simple {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
}

.timeline-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: var(--radius-full);
    font-weight: 700;
}

.timeline-content h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 4px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--gray-dark);
}

/* Reviews */
.reviews-summary {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.rating-overview {
    text-align: center;
}

.score-number {
    display: block;
    font-size: 56px;
    font-weight: 700;
    color: var(--dark-navy);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.score-stars {
    display: flex;
    justify-content: center;
    gap: 4px;
    color: #FFB800;
    font-size: 20px;
    margin-bottom: var(--spacing-xs);
}

.score-text {
    font-size: 14px;
    color: var(--gray-medium);
}

.rating-breakdown {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.rating-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.bar-label {
    font-size: 14px;
    color: var(--gray-dark);
    min-width: 40px;
}

.bar-label i {
    color: #FFB800;
    font-size: 12px;
}

.bar-track {
    flex: 1;
    height: 8px;
    background: var(--white);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: #FFB800;
    transition: width 0.6s ease;
}

.bar-count {
    font-size: 14px;
    color: var(--gray-medium);
    min-width: 30px;
    text-align: right;
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.review-item {
    padding: var(--spacing-lg);
    background: var(--gray-light);
    border-radius: var(--radius-lg);
}

.review-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.review-info {
    flex: 1;
}

.review-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark-navy);
    margin-bottom: 4px;
}

.review-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.review-stars {
    display: flex;
    gap: 2px;
    color: #FFB800;
    font-size: 14px;
}

.review-date {
    font-size: 13px;
    color: var(--gray-medium);
}

.review-verified {
    font-size: 13px;
    color: var(--primary-blue);
}

.review-verified i {
    font-size: 12px;
}

.review-content p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.helpful-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--gray-dark);
    cursor: pointer;
    transition: var(--transition-base);
}

.helpful-btn:hover {
    background: var(--light-blue);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.btn-load-more {
    display: block;
    margin: 0 auto;
}

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

.related-products .product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding-top: 20px;
    margin-top: auto; /* Push footer to bottom if card height varies */
}

.related-products .product-contact {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-blue);
    flex: 1;
}

.related-products .product-contact i {
    font-size: 16px;
    opacity: 0.9;
}

.related-products .product-contact span {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
}

.related-products .btn-small {
    padding: 10px 18px;
    font-size: 14px;
    white-space: nowrap;
}

/* Ensure product info has enough space */
.related-products .product-info {
    display: flex;
    flex-direction: column;
    min-height: 180px; /* Optional: adjust for uniform card height */
}

/* Responsive for Product Detail Pages */
@media (max-width: 1023px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
    }

    .product-gallery {
        position: static;
    }

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

    .reviews-summary {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 767px) {
    .product-title {
        font-size: 24px;
    }

    .price-value {
        font-size: 28px;
    }

    .variant-options {
        grid-template-columns: 1fr;
    }

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

    .product-guarantee {
        grid-template-columns: 1fr;
    }

    .product-tabs {
        gap: 0;
    }

    .tab-btn {
        font-size: 14px;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .tab-title {
        font-size: 22px;
    }
}

/* ===== CONTACT-BASED PRICING ===== */
.price-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.price-contact i {
    font-size: 32px;
    color: var(--primary-blue);
    flex-shrink: 0;
}

.price-contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 14px;
    color: var(--gray-dark);
    margin-bottom: 4px;
}

.contact-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1.2;
}

.price-note {
    font-size: 13px;
    color: var(--gray-medium);
    font-style: italic;
    margin: 0;
}

/* ===== FULL WIDTH BUTTONS ===== */
.btn-full {
    width: 100%;
    justify-content: center;
}

.product-actions {
    display: flex;
    flex-direction: column !important;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

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

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