/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, 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: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-brand i {
    margin-right: 0.5rem;
    color: #ffd700;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.search-container {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 10px;
}

.search-container input {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    outline: none;
}

.search-container button {
    padding: 12px 20px;
    background: #ffd700;
    border: none;
    border-radius: 25px;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.search-container button:hover {
    background: #ffed4e;
    transform: translateY(-2px);
}

/* Categories section */
.categories {
    padding: 4rem 0;
    background: white;
}

.categories h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #333;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.category-card i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.category-card h4 {
    font-size: 1.2rem;
    color: #333;
    font-weight: bold;
}

/* Products section */
.products {
    padding: 4rem 0;
    background: #f8f9fa;
}

.products h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #333;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

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

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

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

.product-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.discount-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #e74c3c;
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-weight: bold;
    font-size: 0.9rem;
}

.product-info {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: bold;
    line-height: 1.4;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stars {
    color: #ffd700;
    font-size: 1rem;
}

.rating-text {
    font-size: 0.9rem;
    color: #666;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.current-price {
    font-size: 1.3rem;
    font-weight: bold;
    color: #e74c3c;
}

.original-price {
    text-decoration: line-through;
    color: #999;
    font-size: 1rem;
}

.buy-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.buy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.load-more-container {
    text-align: center;
}

.load-more-btn {
    padding: 15px 30px;
    background: transparent;
    border: 2px solid #667eea;
    color: #667eea;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.load-more-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.load-more-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* About section */
.about {
    padding: 4rem 0;
    background: white;
}

.about h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #333;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
}

.feature i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.feature h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature p {
    color: #666;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer p {
    margin-bottom: 0.5rem;
}

.footer small {
    opacity: 0.7;
}

/* Responsive design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .search-container {
        flex-direction: column;
        align-items: center;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 0;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .categories h3,
    .products h3,
    .about h3 {
        font-size: 1.5rem;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fa-spin {
    animation: spin 1s infinite linear;
}

/* Notification styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 4px;
    color: white;
    z-index: 1000;
    font-size: 14px;
    max-width: 300px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}