/* Base Styles */
:root {
    --primary-color: #4a5568;
    --secondary-color: #718096;
    --accent-color: #ed8936;
    --gradient-start: #667eea;
    --gradient-end: #764ba2;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    background: var(--bg-light);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 0 20px;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    color: var(--gradient-start);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-light);
    padding: 8px 0;
    position: relative;
}

.nav-links a:hover {
    color: var(--gradient-start);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-start);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.cart-link {
    display: flex;
    align-items: center;
    gap: 5px;
}

.cart-icon {
    font-size: 1.3rem;
}

.cart-count {
    background: var(--accent-color);
    color: white;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 600;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

.mobile-nav {
    display: none;
    flex-direction: column;
    background: var(--bg-white);
    padding: 20px;
    gap: 15px;
}

.mobile-nav.active {
    display: flex;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    position: relative;
    overflow: hidden;
    padding: 100px 20px 50px;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    color: white;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.title-line {
    display: block;
}

.gradient-text {
    background: linear-gradient(90deg, #ffd700, #ff6b6b, #ffd700);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientMove 3s linear infinite;
}

.hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn {
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    border: none;
}

.btn-primary {
    background: white;
    color: var(--gradient-start);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 2px solid white;
}

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

.btn-outline {
    background: transparent;
    color: var(--gradient-start);
    border: 2px solid var(--gradient-start);
}

.btn-outline:hover {
    background: var(--gradient-start);
    color: white;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.hero-stats {
    display: flex;
    gap: 40px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: bgFloat 10s ease-in-out infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gradientMove {
    to {
        background-position: 200% center;
    }
}

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

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
}

/* Section Styles */
section {
    padding: 60px 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Featured Carousel */
.featured-section {
    background: var(--bg-white);
}

.carousel-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
}

.carousel-track {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 20px 0;
}

.carousel-track::-webkit-scrollbar {
    display: none;
}

.carousel-btn {
    background: var(--gradient-start);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.carousel-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.carousel-item {
    flex: 0 0 350px;
}

.featured-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.featured-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.featured-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.featured-content {
    padding: 20px;
}

.featured-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.featured-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.featured-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.price-current {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gradient-start);
}

.price-original {
    font-size: 1rem;
    color: var(--text-light);
    text-decoration: line-through;
}

/* Categories */
.categories-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.categories-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--bg-white);
    padding: 30px 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gradient-start);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.category-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.category-count {
    color: var(--text-light);
    font-size: 0.85rem;
}

/* Products Grid */
.products-section {
    background: var(--bg-white);
}

.filter-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

.filter-btn {
    padding: 8px 20px;
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--gradient-start);
    color: var(--gradient-start);
    background: rgba(102, 126, 234, 0.1);
}

.products-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

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

.product-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-category-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0,0,0,0.6);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
}

.product-info {
    padding: 20px;
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.product-desc {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.add-cart-btn {
    flex: 1;
    background: var(--gradient-start);
    color: white;
    padding: 10px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.add-cart-btn:hover {
    background: var(--gradient-end);
}

.view-btn {
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.view-btn:hover {
    border-color: var(--gradient-start);
    color: var(--gradient-start);
}

.load-more-container {
    text-align: center;
    margin-top: 40px;
}

/* Trust Section */
.trust-section {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    padding: 50px 20px;
}

.trust-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.trust-item {
    text-align: center;
    color: white;
}

.trust-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.trust-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.trust-desc {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 50px 20px 20px;
}

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

.footer-brand {
    margin-bottom: 30px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 15px;
}

.footer-desc {
    color: rgba(255,255,255,0.7);
    max-width: 400px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-column a {
    display: block;
    color: rgba(255,255,255,0.7);
    padding: 8px 0;
}

.footer-column a:hover {
    color: white;
}

.footer-title {
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    color: rgba(255,255,255,0.6);
}

.payment-icons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.payment-label {
    color: rgba(255,255,255,0.6);
}

.payment-method {
    background: rgba(255,255,255,0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* Product Detail Page */
.product-detail {
    padding: 100px 20px 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.product-detail-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.product-detail-info {
    display: flex;
    flex-direction: column;
}

.product-detail-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.product-detail-category {
    color: var(--text-light);
    margin-bottom: 20px;
}

.product-detail-desc {
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.product-detail-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gradient-start);
    margin-bottom: 30px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.quantity-btn:hover {
    border-color: var(--gradient-start);
}

.quantity-value {
    font-size: 1.2rem;
    font-weight: 600;
}

.add-cart-btn-large {
    padding: 15px 40px;
    background: var(--gradient-start);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.add-cart-btn-large:hover {
    background: var(--gradient-end);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .product-detail-container {
        grid-template-columns: 1fr;
    }
}

/* Cart Page */
.cart-page {
    padding: 100px 20px 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.cart-header {
    text-align: center;
    margin-bottom: 40px;
}

.cart-title {
    font-size: 2rem;
    font-weight: 700;
}

.cart-container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
}

.cart-items {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 30px;
}

.cart-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-image {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

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

.cart-item-title {
    font-weight: 600;
    margin-bottom: 5px;
}

.cart-item-price {
    color: var(--gradient-start);
    font-weight: 700;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.cart-item-remove {
    color: var(--text-light);
    cursor: pointer;
    font-size: 0.9rem;
}

.cart-item-remove:hover {
    color: #e53e3e;
}

.cart-summary {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 30px;
    height: fit-content;
}

.summary-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
}

.summary-total {
    border-top: 2px solid var(--border-color);
    margin-top: 10px;
    padding-top: 20px;
    font-size: 1.3rem;
    font-weight: 700;
}

.checkout-btn {
    width: 100%;
    padding: 15px;
    background: var(--gradient-start);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    transition: var(--transition);
}

.checkout-btn:hover {
    background: var(--gradient-end);
}

.checkout-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
}

@media (max-width: 900px) {
    .cart-container {
        grid-template-columns: 1fr;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--gradient-start);
    outline: none;
}

.form-error {
    color: #e53e3e;
    font-size: 0.85rem;
    margin-top: 5px;
}

.verification-code-inputs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

.code-input {
    width: 50px;
    height: 50px;
    text-align: center;
    font-size: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.code-input:focus {
    border-color: var(--gradient-start);
}

.payment-options {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.payment-option {
    flex: 1;
    padding: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.payment-option:hover {
    border-color: var(--gradient-start);
}

.payment-option.selected {
    border-color: var(--gradient-start);
    background: rgba(102, 126, 234, 0.1);
}

.payment-option-title {
    font-weight: 600;
    margin-bottom: 5px;
}

.payment-option-logo {
    font-size: 2rem;
    margin-bottom: 10px;
}

/* Policy Pages */
.policy-page {
    padding: 100px 20px 50px;
    max-width: 800px;
    margin: 0 auto;
}

.policy-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.policy-content {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.policy-section {
    margin-bottom: 30px;
}

.policy-section-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--gradient-start);
}

.policy-text {
    color: var(--text-light);
    line-height: 1.8;
}

.policy-list {
    list-style: disc;
    padding-left: 20px;
    color: var(--text-light);
    margin-top: 10px;
}

.policy-list li {
    margin-bottom: 8px;
}

/* Empty Cart */
.empty-cart {
    text-align: center;
    padding: 50px 20px;
}

.empty-cart-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.empty-cart-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.empty-cart-desc {
    color: var(--text-light);
    margin-bottom: 20px;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--text-dark);
    color: white;
    padding: 15px 25px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 3000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: #38a169;
}

.toast.error {
    background: #e53e3e;
}