.product-detail {
    padding: 60px 20px;
    background-color: var(--bg-light);
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.product-gallery img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.product-details h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.product-details h1:hover {
    color: var(--primary-color);
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.stars {
    color: #fbbf24;
    font-size: 1.2rem;
}

.reviews {
    color: var(--text-light);
}

.product-price-block {
    margin: 30px 0;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 30px;
}

.product-features {
    background: white;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.feature:last-child {
    margin-bottom: 0;
}

.feature svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

.product-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.product-tabs {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.tabs-header {
    display: flex;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: 20px;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn:hover {
    color: var(--primary-color);
    background-color: var(--bg-light);
}

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

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.tab-content {
    display: none;
    padding: 40px;
}

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

.tab-content h2 {
    font-size: 2rem;
    margin-bottom: 25px;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.tab-content h2:hover {
    color: var(--primary-color);
}

.tab-content h3 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.tab-content h3:hover {
    color: var(--secondary-color);
}

.tab-content ul {
    list-style-position: inside;
    line-height: 2;
    color: var(--text-color);
}

.tab-content ul li {
    margin-bottom: 10px;
}

.curriculum-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.curriculum-item {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.curriculum-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

.curriculum-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.curriculum-item h4:hover {
    color: var(--secondary-color);
}

.curriculum-item p {
    color: var(--text-light);
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.review-item {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.review-item:hover {
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.review-header strong {
    color: var(--text-color);
    font-size: 1.1rem;
}

.review-item p {
    color: var(--text-color);
    line-height: 1.6;
}

@media (max-width: 968px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .tabs-header {
        flex-direction: column;
    }
    
    .product-details h1 {
        font-size: 2rem;
    }
    
    .price {
        font-size: 2.5rem;
    }
}