/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
}

/* Responsive Navigation */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        transition: var(--transition);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .header-actions {
        gap: 1rem;
    }
}

/* Tablet Optimization */
@media (max-width: 992px) {
    .category-grid,
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .category-grid,
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .featured-products,
    .categories {
        padding: 40px 0;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Large Screens */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* Print Styles */
@media print {
    .site-header,
    .features,
    .newsletter,
    .site-footer,
    .btn-add-to-cart,
    .quick-view {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    .product-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}