.product-main {
    margin-top: 80px;
}

.product-hero {
    padding: 60px 0;
    background-color: var(--secondary-bg);
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-images {
    position: sticky;
    top: 100px;
}

.main-image {
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-bg);
}

.placeholder-image {
    color: var(--text-secondary);
    font-size: 1.2rem;
    text-align: center;
    padding: 40px;
}

.image-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.thumbnail {
    aspect-ratio: 1;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--primary-bg);
    font-size: 12px;
    text-align: center;
    padding: 10px;
}

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

.product-info {
    padding: 20px 0;
}

.product-badges {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.badge-primary {
    background-color: var(--accent-color);
    color: var(--primary-bg);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge-secondary {
    background-color: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.disclaimer-box {
    background-color: rgba(255, 215, 0, 0.1);
    border: 1px solid #ffd700;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 5px;
}

.disclaimer-box p {
    color: #ffd700;
    font-size: 14px;
    margin: 0;
}

.product-features ul {
    list-style: none;
    margin-bottom: 30px;
}

.product-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    padding-left: 30px;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.pricing {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.availability {
    background-color: rgba(0,255,136,0.1);
    color: var(--accent-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    border: 1px solid var(--accent-color);
}

.purchase-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.purchase-buttons .btn-primary,
.purchase-buttons .btn-secondary {
    flex: 1;
    text-align: center;
    padding: 18px 30px;
}

.shipping-info {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.shipping-info p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 5px;
}

.product-tabs {
    padding: 60px 0;
}

.tab-navigation {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 40px;
    gap: 20px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 15px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    font-size: 16px;
}

.tab-btn:hover {
    color: var(--ghost-white);
}

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

.tab-panel {
    display: none;
}

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

.tab-panel h3 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.spec-item strong {
    color: var(--ghost-white);
}

.spec-item span {
    color: var(--text-secondary);
}

.usage-guide {
    max-width: 800px;
}

.usage-step {
    margin-bottom: 30px;
    padding: 20px;
    background-color: rgba(255,255,255,0.02);
    border-left: 3px solid var(--accent-color);
}

.usage-step h4 {
    color: var(--accent-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.review-summary {
    margin-bottom: 30px;
    text-align: center;
}

.rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.stars {
    color: #ffd700;
    font-size: 1.5rem;
}

.rating-text {
    color: var(--text-secondary);
}

.reviews-list {
    max-width: 800px;
}

.review {
    background-color: rgba(255,255,255,0.02);
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.review-stars {
    color: #ffd700;
}

.compliance-content {
    max-width: 800px;
}

.compliance-section {
    margin-bottom: 30px;
    padding: 20px;
    background-color: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
}

.compliance-section h4 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

.compliance-section ul {
    margin-left: 20px;
}

.compliance-section li {
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10,10,10,0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    padding: 15px 0;
    z-index: 1000;
    display: none;
}

.sticky-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sticky-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sticky-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.sticky-title {
    color: var(--text-secondary);
}

.active {
    color: var(--accent-color) !important;
}

@media (max-width: 768px) {
    .product-main {
        margin-top: 70px;
    }
    
    .product-hero {
        padding: 60px 0;
    }
    
    .product-layout {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .product-images {
        position: static;
        text-align: center;
    }
    
    .main-image {
        text-align: center;
    }
    
    .image-thumbnails {
        justify-content: center;
    }
    
    .product-info {
        text-align: center;
    }
    
    .product-badges {
        justify-content: center;
    }
    
    .product-title {
        font-size: 2.5rem;
        text-align: center;
    }
    
    .product-subtitle {
        text-align: center;
    }
    
    .disclaimer-box {
        text-align: center;
        margin: 30px auto;
    }
    
    .product-features ul {
        text-align: left;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .pricing {
        justify-content: center;
        text-align: center;
    }
    
    .purchase-buttons {
        flex-direction: column;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .shipping-info {
        text-align: center;
    }
    
    .product-tabs {
        padding: 40px 0;
    }
    
    .tab-navigation {
        flex-direction: column;
        gap: 0;
        align-items: center;
    }
    
    .tab-btn {
        width: 200px;
        text-align: center;
    }
    
    .tab-content {
        text-align: center;
    }
    
    .tab-panel h3 {
        font-size: 1.5rem;
        text-align: center;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .usage-guide {
        text-align: left;
        max-width: 100%;
    }
    
    .usage-step {
        text-align: left;
    }
    
    .review-summary {
        text-align: center;
    }
    
    .reviews-list {
        text-align: left;
        max-width: 100%;
    }
    
    .compliance-content {
        text-align: left;
    }
    
    .sticky-cta {
        padding: 15px 0;
    }
    
    .sticky-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .product-title {
        font-size: 2rem;
    }
    
    .tab-btn {
        width: 150px;
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .tab-panel h3 {
        font-size: 1.2rem;
    }
}