/* ===== PRODUCT DETAIL PAGE STYLES ===== */

/* Breadcrumb Section */
.breadcrumb-section {
    padding: 140px 0 60px;
    background: var(--dark-gray);
}

/* Lightbox */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(6px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 24px;
}

.lightbox-overlay.open {
    display: flex;
}

.lightbox-content {
    position: relative;
    width: min(1100px, 100%);
}

.lightbox-image {
    width: 100%;
    height: auto;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 16px;
    background: var(--black);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.lightbox-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lightbox-close:hover {
    background: var(--primary-orange);
}

/* Product Detail Section */
.product-detail-section {
    padding: 60px 0 100px;
    background: var(--black);
}

.product-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

/* Product Gallery */
.product-gallery {
    position: sticky;
    top: 120px;
}

.main-image {
    margin-bottom: 20px;
}

.image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: var(--dark-gray);
}

.product-image-large {
    width: 100%;
    height: 600px;
    background: linear-gradient(135deg, 
        rgba(255, 107, 53, 0.2) 0%, 
        rgba(247, 147, 30, 0.1) 100%);
}

.image-badges {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    gap: 10px;
    z-index: 2;
}

.badge-new, .badge-stock {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-new {
    background: var(--gradient-orange);
    color: white;
}

.badge-stock {
    background: linear-gradient(135deg, #10B981, #34D399);
    color: white;
}

.zoom-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--white);
    border: none;
    border-radius: 12px;
    color: var(--black);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.zoom-btn:hover {
    background: var(--primary-orange);
    color: white;
    transform: scale(1.1);
}

.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.thumbnail {
    height: 120px;
    background: linear-gradient(135deg, 
        rgba(255, 107, 53, 0.15) 0%, 
        rgba(247, 147, 30, 0.05) 100%);
    border-radius: 12px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* Product Info */
.product-info-main {
    padding: 20px 0;
}

.product-category-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 8px;
    color: var(--primary-orange);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.product-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.stars {
    display: flex;
    gap: 4px;
    color: #FFA500;
    font-size: 18px;
}

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

.product-short-desc {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 32px;
}

.product-features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

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

.product-specs-quick {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 32px;
    background: var(--dark-gray);
    border-radius: 16px;
    margin-bottom: 32px;
}

.spec-item {
    display: flex;
    gap: 16px;
}

.spec-item i {
    font-size: 24px;
    color: var(--primary-orange);
}

.spec-item div {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 12px;
    color: var(--text-gray);
    margin-bottom: 4px;
}

.spec-value {
    font-size: 14px;
    font-weight: 600;
}

.product-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    background: var(--dark-gray);
    border-radius: 12px;
    overflow: hidden;
}

.qty-btn {
    width: 50px;
    height: 50px;
    background: transparent;
    border: none;
    color: var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
}

.qty-btn:hover {
    background: var(--light-gray);
}

.qty-input {
    width: 60px;
    height: 50px;
    background: transparent;
    border: none;
    color: var(--white);
    text-align: center;
    font-size: 16px;
    font-weight: 600;
}

.package-selector {
    flex: 1;
}

.package-select {
    width: 100%;
    height: 50px;
    padding: 0 20px;
    background: var(--dark-gray);
    border: none;
    border-radius: 12px;
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
}

.product-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.btn-add-cart,
.btn-quote {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-add-cart {
    flex: 2;
    background: var(--gradient-orange);
    color: white;
}

.btn-add-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
}

.btn-quote {
    flex: 1;
    background: var(--dark-gray);
    color: var(--white);
}

.btn-quote:hover {
    background: var(--light-gray);
}

.btn-favorite {
    width: 56px;
    height: 56px;
    background: var(--dark-gray);
    border: none;
    border-radius: 12px;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-favorite:hover {
    background: var(--light-gray);
}

.product-meta {
    padding: 24px 0;
    border-top: 1px solid var(--light-gray);
    border-bottom: 1px solid var(--light-gray);
    margin-bottom: 24px;
}

.meta-item {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
}

.meta-item:last-child {
    margin-bottom: 0;
}

.meta-label {
    color: var(--text-gray);
    min-width: 80px;
}

.meta-value {
    color: var(--white);
    font-weight: 500;
}

.meta-link {
    color: var(--primary-orange);
    text-decoration: none;
    transition: color 0.3s ease;
}

.meta-link:hover {
    color: var(--secondary-orange);
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--dark-gray);
    border-radius: 6px;
    color: var(--white);
    text-decoration: none;
    font-size: 12px;
    margin-right: 8px;
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--primary-orange);
}

.product-share {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    width: 40px;
    height: 40px;
    background: var(--dark-gray);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.share-btn:hover {
    background: var(--primary-orange);
    transform: translateY(-3px);
}

/* Product Tabs Section */
.product-tabs-section {
    padding: 80px 0;
    background: var(--dark-gray);
}

.tabs-wrapper {
    background: var(--black);
    border-radius: 24px;
    overflow: hidden;
}

.tabs-nav {
    display: flex;
    background: var(--dark-gray);
    border-bottom: 2px solid var(--light-gray);
    overflow-x: auto;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 32px;
    background: transparent;
    border: none;
    color: var(--text-gray);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
}

.tab-btn:hover {
    color: var(--white);
    background: rgba(255, 107, 53, 0.05);
}

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

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-orange);
}

.tabs-content {
    padding: 60px;
}

.tab-pane {
    display: none;
}

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

.tab-pane h3 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 24px;
}

.tab-pane h4 {
    font-size: 24px;
    font-weight: 700;
    margin: 40px 0 20px;
}

.tab-pane p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

/* Usage Areas */
.usage-areas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 32px 0;
}

.usage-card {
    background: var(--dark-gray);
    border: 2px solid var(--light-gray);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.usage-card:hover {
    border-color: var(--primary-orange);
    transform: translateY(-5px);
}

.usage-card i {
    font-size: 48px;
    color: var(--primary-orange);
    margin-bottom: 16px;
}

.usage-card h5 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.usage-card p {
    font-size: 14px;
    color: var(--text-gray);
    margin: 0;
}

/* Advantages List */
.advantages-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.advantages-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-gray);
}

.advantages-list i {
    color: var(--primary-orange);
    font-size: 16px;
}

/* Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-bottom: 40px;
}

.spec-category {
    background: var(--dark-gray);
    border: 2px solid var(--light-gray);
    border-radius: 16px;
    padding: 28px;
}

.spec-category h4 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    margin: 0 0 20px 0;
    color: var(--primary-orange);
}

.specs-table {
    width: 100%;
}

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

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

.specs-table td {
    padding: 14px 0;
    font-size: 14px;
}

.specs-table td:first-child {
    color: var(--text-gray);
}

.specs-table td:last-child {
    color: var(--white);
    font-weight: 600;
    text-align: right;
}

/* Standards Box */
.standards-box {
    background: var(--dark-gray);
    border: 2px solid var(--primary-orange);
    border-radius: 16px;
    padding: 32px;
}

.standards-box h4 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 20px 0;
}

.standards-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.standard-badge {
    padding: 12px 24px;
    background: var(--gradient-orange);
    color: white;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
}

/* Application Steps */
.application-steps {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.step-card {
    display: flex;
    gap: 24px;
    background: var(--dark-gray);
    border: 2px solid var(--light-gray);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
}

.step-card:hover {
    border-color: var(--primary-orange);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 900;
    color: white;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    font-size: 22px;
    margin: 0 0 12px 0;
}

.step-content p {
    margin-bottom: 16px;
}

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

.step-content ul li {
    padding-left: 24px;
    position: relative;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-gray);
}

.step-content ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-orange);
}

.warning-box,
.tip-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-radius: 12px;
    margin-top: 16px;
}

.warning-box {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.3);
}

.warning-box i {
    color: #EF4444;
    font-size: 20px;
}

.warning-box span {
    color: #FCA5A5;
    font-size: 14px;
}

.tip-box {
    background: rgba(34, 197, 94, 0.1);
    border: 2px solid rgba(34, 197, 94, 0.3);
}

.tip-box i {
    color: #22C55E;
    font-size: 20px;
}

.tip-box span {
    color: #86EFAC;
    font-size: 14px;
}

/* Tools Section */
.tools-section {
    margin-top: 40px;
    padding: 32px;
    background: var(--dark-gray);
    border-radius: 16px;
}

.tools-section h4 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 24px 0;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--black);
    border-radius: 10px;
    font-size: 14px;
}

.tool-item i {
    color: var(--primary-orange);
    font-size: 20px;
}

/* Documents Grid */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.document-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--dark-gray);
    border: 2px solid var(--light-gray);
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.document-card:hover {
    border-color: var(--primary-orange);
    transform: translateY(-5px);
}

.doc-icon {
    width: 60px;
    height: 60px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #EF4444;
    flex-shrink: 0;
}

.doc-info {
    flex: 1;
}

.doc-info h5 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.doc-info p {
    font-size: 13px;
    color: var(--text-gray);
    margin: 0 0 8px 0;
}

.doc-size {
    font-size: 12px;
    color: var(--text-gray);
}

.doc-download {
    width: 44px;
    height: 44px;
    background: var(--gradient-orange);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

/* Contact Support */
.contact-support {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    background: var(--dark-gray);
    border-radius: 16px;
}

.contact-support i {
    font-size: 48px;
    color: var(--primary-orange);
}

.contact-support h4 {
    font-size: 20px;
    margin: 0 0 6px 0;
}

.contact-support p {
    font-size: 14px;
    color: var(--text-gray);
    margin: 0;
}

.btn-support {
    padding: 14px 32px;
    background: var(--gradient-orange);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.btn-support:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
}

/* Reviews */
.reviews-summary {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 60px;
    padding: 40px;
    background: var(--dark-gray);
    border-radius: 16px;
    margin-bottom: 40px;
}

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

.rating-big {
    font-size: 72px;
    font-weight: 900;
    background: var(--gradient-orange);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 12px;
}

.stars-big {
    display: flex;
    justify-content: center;
    gap: 6px;
    color: #FFA500;
    font-size: 24px;
    margin-bottom: 12px;
}

.rating-overview p {
    font-size: 14px;
    color: var(--text-gray);
    margin: 0;
}

.rating-bars {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rating-bar-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

.rating-bar-item span:first-child {
    min-width: 70px;
    color: var(--text-gray);
}

.rating-bar-item .bar {
    flex: 1;
    height: 8px;
    background: var(--light-gray);
    border-radius: 4px;
    overflow: hidden;
}

.rating-bar-item .fill {
    height: 100%;
    background: var(--gradient-orange);
}

.rating-bar-item span:last-child {
    min-width: 40px;
    text-align: right;
    color: var(--text-gray);
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.review-item {
    padding: 28px;
    background: var(--dark-gray);
    border: 2px solid var(--light-gray);
    border-radius: 16px;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.reviewer-info {
    display: flex;
    gap: 16px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.reviewer-info h5 {
    font-size: 16px;
    margin-bottom: 6px;
}

.review-stars {
    display: flex;
    gap: 4px;
    color: #FFA500;
    font-size: 14px;
}

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

.review-text {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.review-helpful button {
    padding: 10px 20px;
    background: var(--light-gray);
    border: none;
    border-radius: 8px;
    color: var(--white);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.review-helpful button:hover {
    background: var(--primary-orange);
}

.btn-load-more {
    display: block;
    margin: 0 auto;
    padding: 14px 40px;
    background: var(--dark-gray);
    border: 2px solid var(--light-gray);
    border-radius: 12px;
    color: var(--white);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-load-more:hover {
    border-color: var(--primary-orange);
    background: var(--light-gray);
}

/* Related Products */
.related-products-section {
    padding: 100px 0;
    background: var(--black);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.related-product-card {
    background: var(--dark-gray);
    border: 2px solid var(--light-gray);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.related-product-card:hover {
    border-color: var(--primary-orange);
    transform: translateY(-8px);
}

.related-image {
    position: relative;
    height: 280px;
}

.related-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(255, 107, 53, 0.2) 0%, 
        rgba(247, 147, 30, 0.1) 100%);
}

.related-image .badge-new,
.related-image .badge-bestseller {
    position: absolute;
    top: 16px;
    right: 16px;
}

.related-content {
    padding: 24px;
}

.related-category {
    display: block;
    font-size: 12px;
    color: var(--primary-orange);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.related-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 10px 0;
}

.related-content p {
    font-size: 14px;
    color: var(--text-gray);
    margin: 0 0 16px 0;
}

.btn-related {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient-orange);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-related:hover {
    gap: 12px;
}

/* Responsive */
@media (max-width: 1200px) {
    .product-main-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .product-gallery {
        position: static;
    }
    
    .usage-areas-grid,
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .specs-grid,
    .documents-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .breadcrumb-section {
        padding: 120px 0 40px;
    }
    
    .product-title {
        font-size: 32px;
    }
    
    .product-features-list,
    .product-specs-quick,
    .advantages-list,
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-buttons {
        flex-direction: column;
    }
    
    .btn-add-cart,
    .btn-quote {
        flex: 1;
        width: 100%;
    }
    
    .tabs-content {
        padding: 32px 20px;
    }
    
    .usage-areas-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-summary {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-support {
        flex-direction: column;
        text-align: center;
    }
}