/* Base Styles and Variables */
:root {
    /* Dark Mode Colors */
    --bg-primary: #121212;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #252525;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --accent-primary: #ff6b6b;
    --accent-secondary: #4ecdc4;
    --accent-tertiary: #ffe66d;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-md: 1rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-xxl: 2rem;
    --fs-xxxl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

a:hover {
    color: var(--accent-primary);
}

ul, ol {
    list-style: none;
}

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

button, .btn {
    cursor: pointer;
    font-family: inherit;
    border: none;
    outline: none;
    background: none;
    transition: all var(--transition-fast);
}

section {
    padding: var(--spacing-lg) var(--spacing-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: var(--fs-xxl);
    margin-bottom: var(--spacing-xs);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--accent-primary);
}

.section-header p {
    color: var(--text-secondary);
    font-size: var(--fs-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: var(--fs-sm);
    transition: all var(--transition-medium);
}

.primary-btn {
    background-color: var(--accent-primary);
    color: var(--text-primary);
}

.primary-btn:hover {
    background-color: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.secondary-btn {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent-primary);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(18, 18, 18, 0.95);
    z-index: 1000;
    backdrop-filter: blur(8px);
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: var(--fs-md);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}

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

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

.nav-icons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-icons a {
    font-size: var(--fs-lg);
    padding: 8px;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.nav-icons a:hover {
    background-color: var(--bg-tertiary);
}

.cart-icon {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--accent-primary);
    color: var(--text-primary);
    font-size: var(--fs-xs);
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-medium);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-primary);
    padding: var(--spacing-xl) var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-md);
    z-index: 999;
    transform: translateX(-100%);
    transition: transform var(--transition-medium);
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu a {
    font-size: var(--fs-xl);
    font-weight: 600;
    padding: var(--spacing-sm) 0;
    display: block;
}

.mobile-social {
    margin-top: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
}

.mobile-social a {
    font-size: var(--fs-xxl);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    padding: 0 var(--spacing-md);
    max-width: 600px;
    z-index: 2;
}

.hero h1 {
    font-size: var(--fs-xxxl);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    font-weight: 800;
}

.hero p {
    font-size: var(--fs-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.highlight {
    color: var(--accent-primary);
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: rgba(255, 107, 107, 0.3);
    z-index: -1;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-image {
    flex: 1;
    position: relative;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-height: 80vh;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

/* Featured Products */
.featured-products {
    padding: var(--spacing-xl) var(--spacing-md);
}

.product-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.product-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

.product-image img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

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

.product-tags {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    gap: 5px;
}

.tag {
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
}

.new-tag {
    background-color: var(--accent-primary);
    color: var(--text-primary);
}

.best-tag {
    background-color: var(--accent-tertiary);
    color: var(--bg-primary);
}

.limited-tag {
    background-color: var(--accent-secondary);
    color: var(--text-primary);
}

.product-actions {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 15px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    transform: translateY(100%);
    transition: transform var(--transition-medium);
}

.product-card:hover .product-actions {
    transform: translateY(0);
}

.quick-view-btn, .add-to-cart-btn {
    padding: 10px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--fs-sm);
    text-align: center;
    transition: all var(--transition-fast);
}

.quick-view-btn {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.quick-view-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.add-to-cart-btn {
    background-color: var(--accent-primary);
    color: var(--text-primary);
}

.add-to-cart-btn:hover {
    background-color: #ff5252;
}

.product-info {
    padding: var(--spacing-sm);
}

.product-info h3 {
    font-size: var(--fs-lg);
    margin-bottom: 5px;
}

.product-price {
    font-size: var(--fs-md);
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 10px;
}

.product-colors {
    display: flex;
    gap: 5px;
}

.color-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
}

.view-more {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* Collections */
.collections {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--bg-secondary);
}

.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.collection-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 400px;
}

.collection-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

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

.collection-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    transition: all var(--transition-medium);
}

.collection-card:hover .collection-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.collection-overlay h3 {
    font-size: var(--fs-xl);
    margin-bottom: 5px;
}

.collection-overlay p {
    font-size: var(--fs-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.collection-overlay .btn {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-medium);
}

.collection-card:hover .collection-overlay .btn {
    opacity: 1;
    transform: translateY(0);
}

/* About Section */
.about {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) var(--spacing-md);
}

.about-content {
    flex: 1;
}

.about-content h2 {
    font-size: var(--fs-xxl);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.about-content h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent-primary);
}

.about-content p {
    margin-bottom: var(--spacing-sm);
    font-size: var(--fs-md);
    color: var(--text-secondary);
}

.about-content .btn {
    margin-top: var(--spacing-md);
}

.about-image {
    flex: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Newsletter */
.newsletter {
    background-color: var(--bg-tertiary);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: var(--fs-xxl);
    margin-bottom: var(--spacing-sm);
}

.newsletter-content p {
    font-size: var(--fs-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: none;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--fs-md);
}

.newsletter-form input:focus {
    outline: 2px solid var(--accent-primary);
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    flex: 1;
    justify-content: space-between;
}

.footer-column h3 {
    font-size: var(--fs-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    margin-bottom: 8px;
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    font-size: var(--fs-lg);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--bg-tertiary);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--bg-secondary);
    z-index: 1001;
    padding: var(--spacing-md);
    transition: right var(--transition-medium);
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--bg-tertiary);
}

.cart-header h3 {
    font-size: var(--fs-xl);
}

.close-cart {
    font-size: var(--fs-lg);
    color: var(--text-secondary);
    cursor: pointer;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
}

.empty-cart-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-secondary);
}

.empty-cart-message i {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.empty-cart-message p {
    margin-bottom: var(--spacing-md);
    font-size: var(--fs-lg);
}

.cart-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--bg-tertiary);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: var(--fs-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.checkout-btn {
    width: 100%;
}

/* Quick View Modal */
.quick-view-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1002;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.quick-view-modal.open {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--bg-secondary);
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: var(--radius-lg);
    position: relative;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: var(--fs-xl);
    color: var(--text-secondary);
    z-index: 1;
    cursor: pointer;
}

.modal-product {
    display: flex;
    flex-wrap: wrap;
}

.modal-product-image {
    flex: 1;
    min-width: 300px;
    padding: var(--spacing-md);
}

.modal-product-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.modal-product-info {
    flex: 1;
    min-width: 300px;
    padding: var(--spacing-md);
}

.modal-product-info h2 {
    font-size: var(--fs-xxl);
    margin-bottom: var(--spacing-xs);
}

.modal-product-price {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
}

.modal-product-description {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.modal-product-colors,
.modal-product-sizes,
.modal-product-quantity {
    margin-bottom: var(--spacing-md);
}

.modal-product-colors h3,
.modal-product-sizes h3,
.modal-product-quantity h3 {
    font-size: var(--fs-md);
    margin-bottom: var(--spacing-xs);
}

.color-options {
    display: flex;
    gap: 10px;
}

.color-option {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.color-option.active {
    border-color: var(--text-primary);
    transform: scale(1.1);
}

.size-options {
    display: flex;
    gap: 10px;
}

.size-option {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.size-option.active {
    background-color: var(--accent-primary);
    color: var(--text-primary);
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quantity-btn:hover {
    background-color: var(--accent-primary);
    color: var(--text-primary);
}

.quantity-input {
    width: 50px;
    text-align: center;
    background-color: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-sm);
    padding: 5px;
    font-size: var(--fs-md);
    color: var(--text-primary);
}

.add-to-cart-modal {
    width: 100%;
    margin-bottom: var(--spacing-md);
}

.modal-product-meta {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
}

.modal-product-meta p {
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        height: auto;
        padding-top: 100px;
        text-align: center;
    }
    
    .hero-content {
        padding: var(--spacing-lg) var(--spacing-md);
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about {
        flex-direction: column;
    }
    
    .about-content {
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    
    .about-content h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
    
    .product-image img {
        height: 320px;
    }
    
    .collections-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .cart-sidebar {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --fs-xxxl: 2.5rem;
        --fs-xxl: 1.75rem;
        --fs-xl: 1.25rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-product {
        flex-direction: column;
    }
}