/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: #2c3e50;
    color: #fff;
    padding: 8px 0;
    font-size: 14px;
}

.contact-info {
    display: flex;
    gap: 20px;
}

.contact-info span {
    cursor: pointer;
    transition: color 0.3s;
}

.contact-info span:hover {
    color: #3498db;
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo img {
    height: 50px;
    width: auto;
}

.search-bar {
    flex: 1;
    max-width: 500px;
    margin: 0 30px;
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 12px 50px 12px 15px;
    border: 2px solid #e74c3c;
    border-radius: 25px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}

.search-bar input:focus {
    border-color: #c0392b;
}

.search-bar button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: #e74c3c;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: background 0.3s;
}

.search-bar button:hover {
    background: #c0392b;
}

.header-actions {
    display: flex;
    gap: 20px;
}

.header-actions a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s;
}

.header-actions a:hover {
    background: #3498db;
    color: white;
}

/* Navigation */
.main-nav {
    background: #34495e;
    padding: 0;
}

.main-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
}

.main-nav li {
    position: relative;
}

.main-nav a {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.main-nav a:hover,
.main-nav a.active {
    background: #2c3e50;
    color: #3498db;
}

/* Hero Slider */
.hero-slider {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.slide h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.slide p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    background: #e74c3c;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    transition: all 0.3s;
    text-transform: uppercase;
}

.btn:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Products Grid */
.featured-products {
    padding: 60px 0;
    background: white;
}

.featured-products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #2c3e50;
    position: relative;
}

.featured-products h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: #e74c3c;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
    line-height: 1.4;
}

.product-info h3 a {
    text-decoration: none;
    color: #2c3e50;
    transition: color 0.3s;
}

.product-info h3 a:hover {
    color: #3498db;
}

.product-brand {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.product-price {
    font-size: 1.3rem;
    font-weight: bold;
    color: #e74c3c;
    margin-bottom: 15px;
}

.add-to-cart {
    width: 100%;
    background: #27ae60;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.add-to-cart:hover {
    background: #229954;
    transform: translateY(-2px);
}

/* Service Features */
.service-features {
    background: #ecf0f1;
    padding: 60px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature p {
    color: #7f8c8d;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: #3498db;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* Category Page Styles */
.category-page {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
    padding: 30px 0;
}

.sidebar {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    height: fit-content;
}

.sidebar h3 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 10px;
}

.category-list a {
    display: block;
    padding: 10px;
    text-decoration: none;
    color: #333;
    border-radius: 5px;
    transition: all 0.3s;
}

.category-list a:hover,
.category-list a.active {
    background: #3498db;
    color: white;
}

.category-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #ecf0f1;
}

.category-header h1 {
    color: #2c3e50;
}

.sort-options select {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: white;
}

/* Product Detail Page */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    padding: 30px 0;
    background: white;
    margin: 30px 0;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.product-images .main-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
}

.product-info h1 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

.product-brand,
.product-sku {
    margin-bottom: 10px;
    color: #7f8c8d;
}

.product-price {
    margin: 20px 0;
}

.product-price .price {
    font-size: 2rem;
    font-weight: bold;
    color: #e74c3c;
}

.product-compatibility {
    background: #ecf0f1;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
}

.product-stock {
    margin: 20px 0;
}

.in-stock {
    color: #27ae60;
    font-weight: bold;
}

.out-of-stock {
    color: #e74c3c;
    font-weight: bold;
}

.product-actions {
    display: flex;
    gap: 20px;
    align-items: center;
    margin: 30px 0;
}

.quantity-selector input {
    width: 80px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-align: center;
}

.add-to-cart-btn {
    background: #27ae60;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1.1rem;
}

.add-to-cart-btn:hover:not(:disabled) {
    background: #229954;
    transform: translateY(-2px);
}

.add-to-cart-btn:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
}

.product-description {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #ecf0f1;
}

.product-description h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

/* Breadcrumb */
.breadcrumb {
    padding: 20px 0;
    color: #7f8c8d;
}

.breadcrumb a {
    color: #3498db;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-main {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-bar {
        margin: 0;
        max-width: 100%;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .main-nav a {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    .slide h2 {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .category-page {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        order: 2;
    }
    
    .category-content {
        order: 1;
    }
    
    .category-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .product-detail {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .contact-info {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .contact-info span {
        font-size: 12px;
    }
    
    .slide h2 {
        font-size: 1.5rem;
    }
    
    .slide p {
        font-size: 1rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-card {
        margin: 0 10px;
    }
}