.product-page {
    padding: 30px 0 80px;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.product-image-section {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.product-image-container {
    background: var(--color-surface-low);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    border: none;
    position: relative;
}

.product-discount-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-tertiary);
    color: white;
    padding: 10px 18px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(156, 60, 102, 0.25);
}

.product-image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.product-info-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.product-breadcrumb {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.product-breadcrumb a {
    color: var(--color-text-muted);
    text-decoration: none;
}

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

.product-shop {
    display: inline-block;
    background: var(--color-bg-soft);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.product-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-style: italic;
    line-height: 1.3;
    margin-bottom: 8px;
}

.product-brand {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.product-pricing-box {
    background: var(--color-surface-low);
    padding: 28px;
    border-radius: var(--radius-lg);
    border: none;
}

.product-price-row {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 12px;
}

.product-price-current {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-deal);
    line-height: 1;
}

.product-price-original {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    text-decoration: line-through;
}

.product-savings {
    font-size: 1.1rem;
    color: var(--color-success);
    font-weight: 600;
    margin-bottom: 20px;
}

.product-cta-btn {
    display: block;
    width: 100%;
    padding: 18px 32px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    text-decoration: none;
}

.product-cta-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.product-affiliate-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 12px;
}

.product-description {
    padding: 32px;
    background: var(--color-surface-low);
    border-radius: var(--radius-lg);
    border: none;
}

.product-description h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.product-description p {
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.product-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.product-meta-item {
    padding: 16px;
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
}

.product-meta-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.product-meta-value {
    font-weight: 600;
    color: var(--color-text);
}

.related-products-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: none;
}

.related-products-section h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    text-align: center;
    margin-bottom: 40px;
}

.related-products-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 20px;
    padding-bottom: 20px;
    margin: 0 calc(-1 * var(--space-xl));
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.related-products-grid::-webkit-scrollbar {
    height: 8px;
}

.related-products-grid::-webkit-scrollbar-track {
    background: transparent;
}

.related-products-grid::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

.related-products-grid::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

.related-products-grid .deal-card {
    min-width: 280px;
    max-width: 280px;
    scroll-snap-align: start;
    flex-shrink: 0;
    background: #fff;
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.related-products-grid .deal-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.deal-image {
    position: relative;
    background: var(--color-bg-soft);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.deal-discount {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    background: #dc2626;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 0.9em;
}

.deal-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    height: calc(100% - 200px);
}

.deal-shop {
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 4px;
}

.deal-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
    flex-grow: 1;
    color: #1e293b;
}

.deal-pricing {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 12px;
}

.deal-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0d9488;
}

.deal-original {
    font-size: 0.9rem;
    color: #94a3b8;
    text-decoration: line-through;
}

.deal-btn {
    display: block;
    width: 100%;
    text-align: center;
    background: #0f172a;
    color: white;
    padding: 10px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: background 0.2s;
}

.deal-btn:hover {
    background: #1e293b;
}

@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-image-section {
        position: static;
    }

    .related-products-grid .deal-card {
        min-width: 260px;
        max-width: 260px;
    }
}

@media (max-width: 640px) {
    .product-title {
        font-size: 1.6rem;
    }

    .product-price-current {
        font-size: 2.2rem;
    }

    .related-products-grid {
        margin: 0 calc(-1 * var(--space-md));
        padding-left: var(--space-md);
        padding-right: var(--space-md);
        gap: 16px;
    }

    .related-products-grid .deal-card {
        min-width: 240px;
        max-width: 240px;
    }
}