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

html {
    scroll-behavior: smooth;
}

/* Light Theme */
:root {
    --primary: #000000;
    --primary-hover: #1a1a1a;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --background: #ffffff;
    --background-alt: #fafafa;
    --border: #e5e5e5;
    --border-light: #f0f0f0;
    --success: #16a34a;
    --accent: #0070f3;
    --card-hover: #f9f9f9;
}

/* Dark Theme */
[data-theme="dark"] {
    --primary: #ffffff;
    --primary-hover: #e5e5e5;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --text-tertiary: #737373;
    --background: #000000;
    --background-alt: #0a0a0a;
    --border: #262626;
    --border-light: #1a1a1a;
    --success: #22c55e;
    --accent: #3b82f6;
    --card-hover: #0f0f0f;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--background);
    background-image: url('34464550997(1).png');
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    background-repeat: no-repeat;
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.2s ease, color 0.2s ease;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: -1;
    pointer-events: none;
}

[data-theme="dark"] body::before {
    background: rgba(0, 0, 0, 0.4);
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

[data-theme="dark"] .header {
    background: rgba(0, 0, 0, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    background: linear-gradient(135deg, #000000 0%, #333333 50%, #000000 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Montserrat', 'Helvetica Neue', 'Arial Black', sans-serif;
    position: relative;
    transition: all 0.3s ease;
}

.logo-text:hover {
    letter-spacing: 0.03em;
    transform: scale(1.02);
}

[data-theme="dark"] .logo-text {
    background: linear-gradient(135deg, #ffffff 0%, #cccccc 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.logo span {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .logo span {
    background: linear-gradient(135deg, #ffffff 0%, #a3a3a3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .logo img {
    filter: brightness(1.2);
}

.logo svg {
    display: none;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    cursor: pointer;
    position: relative;
}

.toggle-track {
    background: rgba(240, 240, 240, 0.95);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1.5px solid rgba(0, 0, 0, 0.1);
    border-radius: 24px;
    padding: 4px;
    display: flex;
    gap: 4px;
    position: relative;
    width: 110px;
    height: 40px;
    transition: border-color 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .toggle-track {
    background: rgba(40, 40, 40, 0.95);
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.toggle-option {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    z-index: 2;
    transition: all 0.3s ease;
    position: relative;
}

.toggle-option svg {
    width: 16px;
    height: 16px;
}

.toggle-option.active {
    color: #000;
}

[data-theme="dark"] .toggle-option {
    color: #666;
}

[data-theme="dark"] .toggle-option.active {
    color: #fff;
}

.toggle-slider {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 32px;
    height: 32px;
    background: #ffffff;
    border-radius: 20px;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 1;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.1);
    will-change: transform;
}

[data-theme="dark"] .toggle-slider {
    background: #1a1a1a;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.2);
}

.theme-toggle[data-position="0"] .toggle-slider {
    transform: translateX(0);
}

.theme-toggle[data-position="1"] .toggle-slider {
    transform: translateX(34px);
}

.theme-toggle[data-position="2"] .toggle-slider {
    transform: translateX(68px);
}

.theme-toggle:hover .toggle-track {
    border-color: rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .theme-toggle:hover .toggle-track {
    border-color: rgba(255, 255, 255, 0.25);
}

.cart-button {
    position: relative;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    height: 36px;
    padding: 0 0.875rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 500;
}

[data-theme="dark"] .cart-button {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cart-button:hover {
    background: var(--background-alt);
}

.cart-count {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Hero Section */
.hero {
    background-image: url('34464550997(1).png');
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    padding: 5rem 0 4rem;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 200, 150, 0.2) 0%, rgba(180, 150, 200, 0.2) 100%);
    z-index: 0;
}

[data-theme="dark"] .hero::before {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.3) 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.03;
    pointer-events: none;
    z-index: 1;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

.hero-character {
    position: absolute;
    right: 5%;
    bottom: 0;
    width: 350px;
    height: auto;
    opacity: 1;
    pointer-events: none;
    z-index: 2;
}

.hero-character img {
    width: 100%;
    height: auto;
    display: block;
    filter: none;
}

[data-theme="dark"] .hero-character img {
    filter: brightness(0.9);
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(60px, 60px);
    }
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 200, 150, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #2d2d2d;
    margin-bottom: 1.5rem;
    animation: fadeInDown 0.6s ease-out;
}

[data-theme="dark"] .hero-badge {
    background: rgba(180, 150, 200, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #ffffff;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: #2d2d2d;
    text-shadow: 2px 2px 8px rgba(255, 255, 255, 0.5);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

[data-theme="dark"] .hero-title {
    color: #ffffff;
    text-shadow: 2px 2px 12px rgba(0, 0, 0, 0.7);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #3d3d3d;
    text-shadow: 1px 1px 4px rgba(255, 255, 255, 0.5);
    margin-bottom: 2.5rem;
    font-weight: 500;
    line-height: 1.6;
    max-width: 600px;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

[data-theme="dark"] .hero-subtitle {
    color: #e0e0e0;
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.7);
}

.hero-actions {
    margin-bottom: 3rem;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.search-box {
    max-width: 500px;
    position: relative;
    display: flex;
    align-items: center;
}

.search-box svg {
    position: absolute;
    left: 0.875rem;
    color: #999999;
    z-index: 1;
}

.hero .search-box svg {
    color: #666666;
}

[data-theme="dark"] .search-box svg {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .hero .search-box svg {
    color: rgba(255, 255, 255, 0.7);
}

.search-box input {
    width: 100%;
    padding: 0.75rem 0.875rem 0.75rem 2.75rem;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 400;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #000000;
    transition: border-color 0.2s;
}

.hero .search-box input {
    background: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] .search-box input {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

[data-theme="dark"] .hero .search-box input {
    background: rgba(255, 255, 255, 0.2);
}

.search-box input:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.search-box input::placeholder {
    color: #999999;
}

.hero .search-box input::placeholder {
    color: #666666;
}

[data-theme="dark"] .search-box input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .hero .search-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    animation: fadeInUp 0.6s ease-out 0.5s both;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #2d2d2d;
    text-shadow: 1px 1px 4px rgba(255, 255, 255, 0.6);
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: #3d3d3d;
    text-shadow: 1px 1px 3px rgba(255, 255, 255, 0.5);
    font-weight: 500;
}

[data-theme="dark"] .stat-number {
    color: #ffffff;
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .stat-label {
    color: #e0e0e0;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.7);
}

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

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

/* Filters Section */
.filters-section {
    padding: 1.5rem 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .filters-section {
    background: rgba(0, 0, 0, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.filters {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.filters::-webkit-scrollbar {
    display: none;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
    color: var(--text-secondary);
}

[data-theme="dark"] .filter-btn {
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.sort-options {
    margin-top: 1rem;
}

.sort-options select {
    padding: 0.5rem 0.875rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(15px);
    font-size: 0.875rem;
    cursor: pointer;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.2s;
}

[data-theme="dark"] .sort-options select {
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.sort-options select:hover {
    border-color: var(--text-primary);
}

.sort-options select:focus {
    outline: none;
    border-color: var(--text-primary);
}

/* Products Section */
.products-section {
    padding: 3rem 0 4rem;
    background: transparent;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: rgba(255, 255, 255, 0.85);
    padding: 1.5rem;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    animation: fadeInUp 0.5s ease-out backwards;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    will-change: transform;
}

[data-theme="dark"] .product-card {
    background: rgba(10, 10, 10, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.product-card:nth-child(1) { animation-delay: 0s; }
.product-card:nth-child(2) { animation-delay: 0.05s; }
.product-card:nth-child(3) { animation-delay: 0.1s; }
.product-card:nth-child(4) { animation-delay: 0.15s; }
.product-card:nth-child(5) { animation-delay: 0.2s; }
.product-card:nth-child(6) { animation-delay: 0.25s; }

.product-card:hover {
    border-color: var(--text-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-8px);
}

[data-theme="dark"] .product-card:hover {
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.1);
}

.product-image {
    width: 100%;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    background: rgba(250, 250, 250, 0.5);
    border-radius: 8px;
    padding: 1.5rem;
    overflow: hidden;
}

[data-theme="dark"] .product-image {
    background: rgba(10, 10, 10, 0.5);
}

.product-image img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

/* Columbia Certificate - Make it larger */
.product-image img[src*="l62j6bzvpkm14n1i8v7v4rnjj09l"] {
    max-width: 100%;
    max-height: 100%;
    transform: scale(1.2);
}

/* ANTON - White background only */
.product-image:has(img[src="canvas.png"]) {
    background: #ffffff !important;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
    gap: 1rem;
}

.product-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.product-badge {
    background: var(--success);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.product-details {
    margin-bottom: 1.25rem;
}

.product-detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.product-detail svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--text-tertiary);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-light);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.add-to-cart-btn {
    background: var(--primary);
    color: var(--background);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.add-to-cart-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.add-to-cart-btn:active {
    transform: scale(0.95);
}

.add-to-cart-btn svg {
    width: 16px;
    height: 16px;
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: right 0.3s ease;
    will-change: right;
}

[data-theme="dark"] .cart-sidebar {
    background: rgba(0, 0, 0, 0.9);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

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

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.cart-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.close-cart {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    padding: 0;
    color: var(--text-secondary);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="dark"] .close-cart {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.close-cart:hover {
    background: var(--background-alt);
    color: var(--text-primary);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.cart-items::-webkit-scrollbar {
    width: 6px;
}

.cart-items::-webkit-scrollbar-track {
    background: transparent;
}

.cart-items::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(250, 250, 250, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

[data-theme="dark"] .cart-item {
    background: rgba(10, 10, 10, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.cart-item-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.cart-item-validity {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.cart-item-price {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1rem;
}

.remove-item {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.375rem;
    border-radius: 6px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

[data-theme="dark"] .remove-item {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.remove-item:hover {
    background: var(--background-alt);
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.cart-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-secondary);
}

.cart-empty svg {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.cart-empty p {
    font-weight: 500;
    font-size: 0.9375rem;
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(250, 250, 250, 0.6);
    backdrop-filter: blur(15px);
}

[data-theme="dark"] .cart-footer {
    background: rgba(10, 10, 10, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.checkout-btn {
    width: 100%;
    background: var(--primary);
    color: var(--background);
    border: none;
    padding: 0.875rem;
    border-radius: 6px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkout-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.checkout-btn:active {
    transform: translateY(0);
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

[data-theme="dark"] .cart-overlay {
    background: rgba(0, 0, 0, 0.7);
}

.cart-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .about-section {
    background: rgba(0, 0, 0, 0.7);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    text-align: center;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(250, 250, 250, 0.5);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    transition: all 0.2s;
}

[data-theme="dark"] .feature-item {
    background: rgba(10, 10, 10, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-item:hover {
    border-color: var(--text-primary);
    transform: translateY(-4px);
}

.feature-item svg {
    flex-shrink: 0;
    color: var(--text-primary);
}

.feature-item h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.feature-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .contact-section {
    background: rgba(0, 0, 0, 0.7);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

[data-theme="dark"] .contact-card {
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.contact-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--background);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-info p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.contact-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
}

[data-theme="dark"] .footer {
    background: rgba(0, 0, 0, 0.7);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-section h3 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .footer-section h3 {
    background: linear-gradient(135deg, #ffffff 0%, #a3a3a3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section h4 {
    font-size: 0.9375rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
    font-size: 0.9375rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 3rem 0 2.5rem;
    }

    .hero-character {
        width: 220px;
        right: -5%;
        opacity: 0.6;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .nav {
        height: 56px;
    }

    .nav-links {
        display: none;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .toggle-track {
        width: 100px;
        height: 36px;
    }

    .toggle-option {
        width: 28px;
        height: 28px;
    }

    .toggle-option svg {
        width: 14px;
        height: 14px;
    }

    .toggle-slider {
        width: 28px;
        height: 28px;
    }

    .theme-toggle[data-position="1"] .toggle-slider {
        transform: translateX(32px);
    }

    .theme-toggle[data-position="2"] .toggle-slider {
        transform: translateX(64px);
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .cart-sidebar {
        width: 100%;
        right: -100%;
    }

    .product-price {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-card {
        padding: 1.5rem;
    }

    .about-section,
    .contact-section {
        padding: 3rem 0;
    }
}

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

/* Smooth theme transitions */
body,
.header,
.hero,
.filters-section,
.products-section,
.product-card,
.filter-btn,
.cart-sidebar,
.footer,
input,
select,
button {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}