* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.back-btn {
    color: #ff6b6b;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.back-btn:hover {
    color: #ff5252;
}

.page-title {
    font-size: 2.5rem;
    color: #333;
    text-align: center;
    flex-grow: 1;
}

.gallery-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.product-placeholder {
    height: 250px;
    background: linear-gradient(45deg, #f0f0f0, #e0e0e0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #666;
    font-weight: 600;
    border-bottom: 1px solid #eee;
}

.product-item h3 {
    padding: 1rem 1.5rem 0.5rem;
    font-size: 1.3rem;
    color: #333;
}

.price {
    padding: 0 1.5rem 1.5rem;
    font-size: 1.4rem;
    font-weight: bold;
    color: #ff6b6b;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .gallery-container {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
}