/* Root Variables */
:root {
    --primary-color: #22C55E;
    --secondary-color: #16A34A;
    --accent-color: #F97316;
    --text-color: #1F2937;
    --text-light: #6B7280;
    --background: #FFFFFF;
    --surface: #F9FAFB;
    --border: #E5E7EB;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-color);
}

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* Header */
.header {
    background: white;
    box-shadow: var(--shadow);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.search-container {
    position: relative;
}

.search-input {
    padding: 12px 16px 12px 48px;
    border: 2px solid var(--border);
    border-radius: var(--border-radius);
    width: 300px;
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.auth-buttons {
    display: flex;
    gap: 12px;
}

.cart-icon {
    position: relative;
    cursor: pointer;
    color: var(--text-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.cart-icon:hover {
    color: var(--primary-color);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile Header */
.mobile-header {
    display: none;
    background: var(--primary-color);
    color: white;
    padding: 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    align-items: center;
    justify-content: space-between;
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: 600;
}

.mobile-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    background: white;
    box-shadow: var(--shadow);
    padding: 16px;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-items {
    margin-top: 16px;
}

.mobile-menu-items a {
    display: block;
    padding: 12px 0;
    text-decoration: none;
    color: var(--text-color);
    border-bottom: 1px solid var(--border);
}

/* Banner Section */
.banner-section {
    position: relative;
    margin-bottom: 64px;
}

.banner-container {
    position: relative;
    height: 500px;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin: 0 16px;
}

.banner-slider {
    height: 100%;
    position: relative;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.banner-slide.active {
    opacity: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 48px;
    transform: translateY(-50%);
    color: white;
    max-width: 500px;
}

.banner-content h2 {
    font-size: 3rem;
    margin-bottom: 16px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.banner-content p {
    font-size: 1.2rem;
    margin-bottom: 24px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.banner-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: white;
}

/* Categories Section */
.categories-section {
    padding: 64px 0;
    background: var(--surface);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.category-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.category-card-content {
    padding: 16px;
    text-align: center;
}

.category-card h3 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--text-color);
}

/* Products Section */
.products-section {
    padding: 64px 0;
}

.products-filter {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--border);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card-content {
    padding: 16px;
}

.product-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-color);
}

.product-price {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.current-price {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
}

.original-price {
    font-size: 0.9rem;
    color: var(--text-light);
    text-decoration: line-through;
}

.product-actions {
    display: flex;
    gap: 8px;
}

.product-actions button {
    flex: 1;
    padding: 8px 12px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.add-to-cart {
    background: var(--primary-color);
    color: white;
}

.add-to-cart:hover {
    background: var(--secondary-color);
}

.buy-now {
    background: var(--accent-color);
    color: white;
}

.buy-now:hover {
    background: #EA580C;
}

.wishlist-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.9);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.wishlist-btn:hover,
.wishlist-btn.active {
    color: #EF4444;
    background: white;
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -4px 6px -1px rgb(0 0 0 / 0.1);
    padding: 8px 0;
    z-index: 100;
}

.mobile-nav {
    display: flex;
    justify-content: space-around;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
    font-size: 0.8rem;
}

.nav-item.active,
.nav-item:hover {
    color: var(--primary-color);
}

.nav-item i {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 99;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Footer */
.footer {
    background: var(--text-color);
    color: white;
    padding: 48px 0 16px;
    margin-top: 64px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-section h3,
.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 16px;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section a {
    color: #D1D5DB;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 16px;
    text-align: center;
    color: #9CA3AF;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    padding: 32px;
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.cart-modal {
    max-width: 600px;
}

.close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
}

.close:hover {
    color: var(--text-color);
}

.modal form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal input {
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.modal input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.modal a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Cart */
.cart-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.cart-item img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-weight: 500;
    margin-bottom: 4px;
}

.cart-item-price {
    color: var(--primary-color);
    font-weight: 600;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.quantity-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-total {
    padding: 24px 0;
    border-top: 2px solid var(--border);
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        display: none;
    }
    
    .mobile-header {
        display: flex;
    }
    
    .mobile-nav {
        display: flex;
    }
    
    body {
        padding-bottom: 80px;
    }
    
    .banner-content h2 {
        font-size: 2rem;
    }
    
    .banner-content {
        left: 24px;
        max-width: 300px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 16px;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 16px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .search-input {
        width: 100%;
    }
    
    .whatsapp-float {
        bottom: 100px;
    }
    
    .modal-content {
        margin: 20px;
        width: calc(100% - 40px);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .banner-container {
        height: 300px;
    }
    
    .banner-content h2 {
        font-size: 1.5rem;
    }
    
    .banner-content p {
        font-size: 1rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.visible { display: block !important; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.grid { display: grid; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }