:root {
    /* Light Mode Colors */
    --primary: #6366F1;
    --primary-light: #818CF8;
    --primary-dark: #4F46E5;
    --secondary: #EC4899;
    --accent: #14B8A6;
    --accent-light: #5EEAD4;
    
    /* Neutrals */
    --bg-main: #F8FAFC;
    --bg-secondary: #F1F5F9;
    --bg-dark: #0F172A;
    --surface: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --text-light: #94A3B8;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    --gradient-secondary: linear-gradient(135deg, #EC4899 0%, #F43F5E 100%);
    --gradient-accent: linear-gradient(135deg, #14B8A6 0%, #06B6D4 100%);
    --gradient-hero: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14);
    
    /* Transitions */
    --transition: 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.3s ease;
}

/* Dark Mode Colors */
body.dark-mode {
    --bg-main: #0F172A;
    --bg-secondary: #1E293B;
    --bg-dark: #020617;
    --surface: #1E293B;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-light: #64748B;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.6);
}

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

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all var(--transition);
}

body.dark-mode .navbar {
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    transition: transform var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.logo i {
    color: var(--primary);
    font-size: 1.8rem;
    animation: rotate 10s linear infinite;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.nav-actions {
    display: flex;
    gap: 1rem;
}

.theme-toggle,
.cart-btn {
    position: relative;
    background: var(--bg-secondary);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.theme-toggle:hover,
.cart-btn:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--gradient-secondary);
    color: white;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    border: 3px solid var(--surface);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

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

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, rgba(99, 102, 241, 0) 70%);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    background: radial-gradient(circle, rgba(236, 72, 153, 0.4) 0%, rgba(236, 72, 153, 0) 70%);
    bottom: -200px;
    left: -200px;
    animation-delay: 7s;
}

.orb-3 {
    background: radial-gradient(circle, rgba(20, 184, 166, 0.4) 0%, rgba(20, 184, 166, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(100px, -100px) scale(1.2); }
    66% { transform: translate(-100px, 100px) scale(0.8); }
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 6rem 0;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-accent);
    color: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: slideInLeft 0.8s ease;
    box-shadow: var(--shadow-md);
}

.hero-title {
    margin-bottom: 1.5rem;
    animation: slideInLeft 0.8s ease 0.2s backwards;
}

.gradient-text {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(20deg); }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 540px;
    animation: slideInLeft 0.8s ease 0.4s backwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: slideInLeft 0.8s ease 0.6s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition), height var(--transition);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn i {
    transition: transform var(--transition);
}

.btn:hover i {
    transform: translateX(5px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.5);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    transform: translateY(-4px) scale(1.05);
    border-color: var(--primary);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    animation: slideInLeft 0.8s ease 0.8s backwards;
}

.stat {
    text-align: center;
    transition: transform var(--transition);
}

.stat:hover {
    transform: translateY(-8px);
}

.stat-value {
    font-family: 'Syne', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 0.8s ease 0.4s backwards;
}

.decorative-dots {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--gradient-accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: dotFloat 4s ease-in-out infinite;
}

.dot:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.dot:nth-child(2) { top: 20%; right: 15%; animation-delay: 1s; }
.dot:nth-child(3) { bottom: 20%; left: 15%; animation-delay: 2s; }
.dot:nth-child(4) { bottom: 10%; right: 10%; animation-delay: 3s; }

@keyframes dotFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.5); }
}

.product-showcase {
    position: relative;
    width: 450px;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: heartbeat 2s ease-out infinite;
}

.ring-1 { animation-delay: 0s; }
.ring-2 { animation-delay: 0.5s; }
.ring-3 { animation-delay: 1s; }

@keyframes heartbeat {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

.showcase-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
}

.product-img {
    position: relative;
    width: 80%;
    height: 80%;
    object-fit: contain;
    border-radius: 50%;
    z-index: 2;
    animation: productPulse 2s ease-in-out infinite;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

@keyframes productPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.08);
    }
}

.floating-icons {
    position: absolute;
    inset: 0;
}

.float-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    animation: floatIcon 6s ease-in-out infinite;
}

.icon-1 {
    top: 10%;
    left: 0;
    color: var(--primary);
    animation-delay: 0s;
}

.icon-2 {
    top: 50%;
    right: 0;
    color: var(--secondary);
    animation-delay: 2s;
}

.icon-3 {
    bottom: 10%;
    left: 10%;
    color: var(--accent);
    animation-delay: 4s;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Sections */
section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Products Section */
.products {
    background: var(--bg-secondary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--surface);
    border-radius: 24px;
    padding: 2rem;
    transition: all var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    animation: fadeInUp 0.6s ease backwards;
}

body.dark-mode .product-card {
    border-color: rgba(255, 255, 255, 0.1);
}

.product-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.product-image {
    width: 100%;
    height: 280px;
    background: var(--bg-secondary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1) rotate(5deg);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-secondary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    animation: pulse 2s infinite;
}

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

.product-info {
    margin-bottom: 1.5rem;
}

.product-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.spec-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.spec-badge:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.spec-badge i {
    color: var(--primary);
    transition: color var(--transition);
}

.spec-badge:hover i {
    color: white;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-price {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.add-to-cart {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem 1.75rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
    position: relative;
    overflow: hidden;
}

.add-to-cart::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition), height var(--transition);
}

.add-to-cart:hover::before {
    width: 200px;
    height: 200px;
}

.add-to-cart:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 24px;
    transition: all var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

body.dark-mode .feature-card {
    border-color: rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-accent);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-10deg);
}

.feature-icon i {
    font-size: 1.75rem;
    color: white;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* Compare Section */
.compare {
    background: var(--bg-dark);
    color: white;
}

.compare .section-title,
.compare .section-subtitle {
    color: white;
}

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

.selector-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    position: relative;
}

.selector-card:hover {
    transform: translateY(-8px) scale(1.05);
    border-color: var(--primary);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.5);
}

.selector-card.selected {
    border-color: var(--accent);
    background: rgba(20, 184, 166, 0.1);
}

.selector-checkbox {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.selector-card.selected .selector-checkbox {
    background: var(--gradient-accent);
    border-color: var(--accent);
}

.selector-checkbox i {
    opacity: 0;
    transition: opacity var(--transition);
}

.selector-card.selected .selector-checkbox i {
    opacity: 1;
}

.selector-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 16px;
    margin-bottom: 1rem;
}

.selector-card h3 {
    margin-bottom: 0.5rem;
    color: white;
}

.selector-card .price {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.comparison-result {
    min-height: 300px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-hint {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.25rem;
    text-align: center;
}

.compare-table-wrapper {
    overflow-x: auto;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    animation: fadeIn 0.5s ease;
}

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

.compare-table {
    width: 100%;
    border-collapse: collapse;
}

.compare-table th,
.compare-table td {
    padding: 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.compare-table th {
    background: rgba(99, 102, 241, 0.2);
    font-weight: 600;
}

.compare-table th:first-child,
.compare-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.model-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.model-header img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 0.5rem;
}

.check-icon {
    color: var(--accent);
    font-size: 1.25rem;
}

.x-icon {
    color: var(--secondary);
    font-size: 1.25rem;
}

/* Shopping Cart */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -450px;
    width: 450px;
    height: 100vh;
    background: var(--surface);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transition: right var(--transition);
    display: flex;
    flex-direction: column;
}

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

.cart-header {
    padding: 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

body.dark-mode .cart-header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.cart-header h3 {
    font-size: 1.5rem;
}

.close-cart {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-cart:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
    transform: rotate(90deg);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

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

.empty-cart i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 16px;
    margin-bottom: 1rem;
    transition: all var(--transition);
    animation: slideInRight 0.5s ease;
}

.cart-item:hover {
    transform: translateX(-4px);
    box-shadow: var(--shadow-md);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.cart-item-image {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

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

.cart-item-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cart-item-price {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qty-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: white;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

body.dark-mode .qty-btn {
    background: var(--bg-dark);
    border-color: rgba(255, 255, 255, 0.1);
}

.qty-btn:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary);
    transform: scale(1.1);
}

.remove-item {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    transition: all var(--transition);
    border-radius: 8px;
}

.remove-item:hover {
    color: var(--secondary);
}

.cart-footer {
    padding: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

body.dark-mode .cart-footer {
    border-top-color: rgba(255, 255, 255, 0.1);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.total-amount {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

/* Checkout Modal */
.checkout-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    background: var(--surface);
    border-radius: 32px;
    box-shadow: var(--shadow-xl);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    overflow: hidden;
}

.checkout-modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-content {
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--bg-secondary);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    z-index: 1;
}

.close-modal:hover {
    background: var(--gradient-secondary);
    color: white;
    transform: rotate(90deg);
}

.modal-header {
    padding: 3rem 2rem 2rem;
    text-align: center;
    background: var(--gradient-primary);
    color: white;
}

.modal-header i {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

.modal-header h2 {
    font-size: 2rem;
}

.invoice-details {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.invoice-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 1rem;
    transition: all var(--transition);
}

.invoice-item:hover {
    transform: translateX(4px);
}

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

.invoice-item-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.invoice-item-qty {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.invoice-item-price {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.125rem;
}

.invoice-footer {
    padding: 2rem;
    border-top: 2px solid var(--bg-secondary);
}

.invoice-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    font-size: 1rem;
}

.invoice-row.subtotal {
    color: var(--text-secondary);
}

.invoice-row.tax {
    color: var(--text-secondary);
    border-bottom: 2px solid var(--bg-secondary);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.invoice-row.total {
    font-size: 1.75rem;
    font-weight: 700;
}

.invoice-row.total span:last-child {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.confirm-order {
    margin-top: 1.5rem;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    z-index: 2999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    opacity: 0.05;
    font-size: 3rem;
}

.footer-decoration i {
    animation: float 6s ease-in-out infinite;
}

.footer-decoration i:nth-child(2) {
    animation-delay: 2s;
}

.footer-decoration i:nth-child(3) {
    animation-delay: 4s;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background: var(--gradient-accent);
    transform: translateY(-4px) rotate(360deg);
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.5);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

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

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-column a i {
    font-size: 0.75rem;
    transition: transform var(--transition);
}

.footer-column a:hover {
    color: var(--accent);
    padding-left: 0.5rem;
}

.footer-column a:hover i {
    transform: translateX(4px);
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.875rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    transition: all var(--transition);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

.newsletter-form button {
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    border: none;
    background: var(--gradient-primary);
    color: white;
    cursor: pointer;
    transition: all var(--transition);
}

.newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all var(--transition);
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .product-showcase {
        width: 350px;
        height: 350px;
    }
    
    .nav-links {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .compare-selector {
        grid-template-columns: 1fr;
    }
}