/* TechGadget Elite - Premium Styling */

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

:root {
    /* Primary Colors */
    --primary-red: #FF6B6B;
    --primary-teal: #4ECDC4;
    --primary-blue: #45B7D1;
    --primary-purple: #A855F7;
    --primary-green: #10B981;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FF6B6B, #4ECDC4, #45B7D1);
    --gradient-cta: linear-gradient(135deg, #FF6B6B, #A855F7);
    --gradient-text: linear-gradient(135deg, #4ECDC4, #45B7D1, #A855F7);
    --gradient-card: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(78, 205, 196, 0.1));
    
    /* Neutral Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #1e293b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --border-light: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header-promo {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.promo-text {
    font-weight: 600;
    color: #FF6B6B;
}

.promo-timer {
    color: #FFD700;
    font-weight: 500;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.header-link {
    color: white;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.header-link:hover {
    color: var(--primary-teal);
}

.btn-header {
    background: var(--gradient-cta);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: transform var(--transition-fast);
}

.btn-header:hover {
    transform: translateY(-1px);
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
}

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

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-teal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    gap: 4px;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-base);
}

.btn-primary {
    background: var(--gradient-cta);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
    padding: var(--spacing-3xl) 0;
}

.hero-text {
    animation: fadeInLeft 1s ease;
}

.hero-badges {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-new {
    background: var(--gradient-cta);
    color: white;
}

.badge-ai {
    background: var(--primary-purple);
    color: white;
}

.badge-5g {
    background: var(--primary-teal);
    color: white;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

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

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-features {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.feature-highlight {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.hero-pricing {
    margin-bottom: var(--spacing-xl);
}

.price-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.price-old {
    font-size: var(--font-size-xl);
    text-decoration: line-through;
    color: var(--text-light);
}

.price-current {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.price-save {
    background: var(--primary-green);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.payment-options {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.trust-indicators {
    display: flex;
    gap: var(--spacing-lg);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.hero-visual {
    animation: fadeInRight 1s ease;
    position: relative;
}

.product-showcase {
    text-align: center;
}

.product-image-container {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.product-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-slow);
}

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

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

.element-1 {
    top: 20%;
    left: -10%;
    animation-delay: 0s;
}

.element-2 {
    top: 60%;
    right: -10%;
    animation-delay: 1s;
}

.element-3 {
    bottom: 20%;
    left: 10%;
    animation-delay: 2s;
}

.element-label {
    display: block;
    font-weight: 700;
    font-size: var(--font-size-lg);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.element-desc {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.color-options {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.color-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.color-option {
    width: 32px;
    height: 32px;
    border: 3px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.color-option.active,
.color-option:hover {
    border-color: var(--primary-blue);
}

/* Hero Background */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.bg-gradient-1 {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.bg-gradient-2 {
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.1) 0%, transparent 70%);
    animation: rotate 25s linear infinite reverse;
}

.bg-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(255, 107, 107, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(78, 205, 196, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    animation: particles 30s linear infinite;
}

/* Social Banner */
.social-banner {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.banner-text {
    font-size: var(--font-size-lg);
}

.highlight {
    color: var(--primary-teal);
    font-weight: 700;
}

.separator {
    color: var(--text-light);
    margin: 0 var(--spacing-md);
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.feature-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base);
}

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

.feature-card:nth-child(2n) {
    flex-direction: row-reverse;
}

.feature-visual {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.feature-icon {
    min-width: 80px;
    text-align: center;
}

.feature-preview {
    flex: 1;
}

.feature-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.feature-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.feature-specs {
    list-style: none;
}

.feature-specs li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-light);
    font-weight: 500;
}

.feature-specs li:last-child {
    border-bottom: none;
}

/* Gallery Section */
.gallery {
    padding: var(--spacing-3xl) 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-base);
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-main {
    grid-row: span 2;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-zoom {
    background: white;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.gallery-zoom:hover {
    transform: scale(1.1);
}

/* Reviews Section */
.reviews {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.review-summary {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
}

.rating-summary {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.rating-score {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stars-display {
    display: flex;
    gap: var(--spacing-xs);
}

.star {
    color: #FFD700;
    font-size: var(--font-size-xl);
}

.review-count {
    color: var(--text-secondary);
    font-weight: 500;
}

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

.review-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.review-card:hover {
    transform: translateY(-4px);
}

.review-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.reviewer-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
}

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

.reviewer-info {
    flex: 1;
}

.reviewer-name {
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.reviewer-title {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.review-rating {
    display: flex;
}

.review-text {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.review-verified {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-green);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* Specifications Section */
.specs {
    padding: var(--spacing-3xl) 0;
}

.specs-container {
    max-width: 800px;
    margin: 0 auto;
}

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

.spec-category {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.spec-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-blue);
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-light);
}

.spec-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.spec-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.spec-value {
    font-weight: 700;
    color: var(--text-primary);
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.pricing-timer {
    margin-top: var(--spacing-lg);
}

.timer-display {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.timer-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timer-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.timer-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.timer-separator {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-blue);
    align-self: center;
}

.pricing-container {
    display: flex;
    justify-content: center;
}

.pricing-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.pricing-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-cta);
}

.offer-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--gradient-cta);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
}

.product-name {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.product-variant {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.price-section {
    margin-bottom: var(--spacing-xl);
}

.price-main {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.price-currency {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-blue);
}

.price-amount {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.price-savings {
    color: var(--primary-green);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.payment-plan {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.plan-option {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.plan-option.active,
.plan-option:hover {
    border-color: var(--primary-blue);
    background: rgba(69, 183, 209, 0.1);
}

.included-items {
    margin-bottom: var(--spacing-xl);
}

.included-items h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.included-items ul {
    list-style: none;
}

.included-items li {
    padding: var(--spacing-sm) 0;
    font-weight: 500;
    color: var(--text-secondary);
}

.shipping-info {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.shipping-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.purchase-actions {
    margin-bottom: var(--spacing-xl);
}

.purchase-actions .btn {
    margin-bottom: var(--spacing-md);
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 1000;
}

.chat-button {
    background: var(--gradient-cta);
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base);
}

.chat-button:hover {
    transform: scale(1.1);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .footer-description {
    color: #94a3b8;
    margin-top: var(--spacing-md);
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-column a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid #374151;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.payment-methods {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.payment-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.payment-icon {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 700;
}

/* Animations */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes particles {
    0% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    100% {
        transform: translate(0, 0) scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Header */
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .header-promo {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: white;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-xl);
        transition: left var(--transition-base);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        font-size: var(--font-size-xl);
    }
    
    .mobile-menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .trust-indicators {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .floating-element {
        display: none;
    }
    
    /* Features */
    .feature-visual {
        flex-direction: column;
        text-align: center;
    }
    
    /* Gallery */
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-main {
        grid-row: span 1;
    }
    
    /* Reviews */
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    /* Specifications */
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    /* Pricing */
    .timer-display {
        gap: var(--spacing-md);
    }
    
    .price-main {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .payment-plan {
        flex-direction: column;
    }
    
    .shipping-info {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .security-badges {
        flex-direction: column;
        align-items: center;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}