/* CSS Variables for Theme Support */
:root {
    /* Light Theme Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-secondary: #1d4ed8;
    --accent-tertiary: #dbeafe;
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e1;
    --shadow-primary: rgba(0, 0, 0, 0.1);
    --shadow-secondary: rgba(0, 0, 0, 0.05);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.2);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Theme Colors */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --accent-primary: #60a5fa;
    --accent-secondary: #3b82f6;
    --accent-tertiary: #1e3a8a;
    --border-primary: #334155;
    --border-secondary: #475569;
    --shadow-primary: rgba(0, 0, 0, 0.3);
    --shadow-secondary: rgba(0, 0, 0, 0.2);
    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

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

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

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

/* Background Elements */
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--gradient-primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--gradient-secondary);
    bottom: -150px;
    left: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--gradient-accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    animation: float 15s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    animation-delay: -5s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 20%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-brand .logo .logo-icon {
    width: 32px;
    height: 32px;
    transition: transform var(--transition-fast);
}

.nav-brand .logo .logo-icon:hover {
    transform: scale(1.1);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

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

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

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

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

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

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--accent-primary);
    background: var(--accent-tertiary);
}

.theme-toggle .fa-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .fa-moon {
    display: none;
}

[data-theme="dark"] .theme-toggle .fa-sun {
    display: block;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--accent-tertiary);
    color: var(--accent-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    backdrop-filter: blur(10px);
}

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

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

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

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.device-showcase {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.phone-mockup {
    width: 200px;
    height: 400px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: 8px;
    box-shadow: 0 20px 40px var(--shadow-primary);
    transform: rotate(-5deg);
    position: relative;
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    border-radius: calc(var(--radius-xl) - 8px);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

.app-interface {
    padding: 16px;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
}

.status-bar {
    height: 24px;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border-radius: 6px;
    margin-bottom: 16px;
    position: relative;
}

.status-bar::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.notification-item, .health-widget {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 12px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.notification-item i, .health-widget i {
    font-size: 16px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.notification-item span, .health-widget span {
    font-weight: 600;
    letter-spacing: -0.01em;
}

.watch-mockup {
    width: 120px;
    height: 120px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    padding: 6px;
    box-shadow: 0 15px 30px var(--shadow-primary);
    transform: rotate(5deg);
    position: relative;
    overflow: hidden;
}

.watch-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

.watch-notification {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.01em;
}

.watch-notification i {
    font-size: 12px;
    flex-shrink: 0;
}

/* Section Styles */
section {
    padding: var(--spacing-3xl) 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow-primary);
    border-color: var(--accent-primary);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Installation Section */
.installation-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.step-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.step-card:hover::before {
    transform: scaleX(1);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-primary);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-lg);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.step-content .or-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: var(--spacing-md) 0;
    position: relative;
}

.step-content .or-separator::before,
.step-content .or-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-secondary);
}

.step-content .or-separator span {
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0 var(--spacing-sm);
    margin: 0 var(--spacing-sm);
}

/* Pricing Section */
.pricing {
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    backdrop-filter: blur(10px);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border: 2px solid var(--accent-primary);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.pricing-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: white;
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

.price-amount {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.price-period {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-left: var(--spacing-xs);
}

.pricing-header > p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
}

.pricing-note {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.pricing-note p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.pricing-note i {
    color: var(--accent-primary);
    margin-right: var(--spacing-xs);
}

.pricing-features {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-item i {
    color: var(--accent-primary);
    font-size: 1.125rem;
}

.support-section {
    background: var(--accent-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.support-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.support-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Compatibility Section */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.device-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.device-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-primary);
    border-color: var(--accent-primary);
}

.device-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 1.5rem;
    color: white;
}

.device-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.device-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
}

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

.contact-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    text-decoration: none;
    color: inherit;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-primary);
    border-color: var(--accent-primary);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: 2rem;
    color: white;
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

/* Footer */
.footer {
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-primary);
    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-xl);
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo .logo-icon {
    width: 32px;
    height: 32px;
    transition: transform var(--transition-fast);
}

.footer-brand .logo .logo-icon:hover {
    transform: scale(1.1);
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
}

.footer-bottom p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .device-showcase {
        transform: scale(0.8);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding-top: 80px;
        min-height: 90vh;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2.25rem;
        line-height: 1.2;
        margin-bottom: var(--spacing-sm);
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: var(--spacing-lg);
        line-height: 1.5;
    }
    
    .hero-actions {
        justify-content: center;
        gap: var(--spacing-sm);
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .hero-badge {
        margin-bottom: var(--spacing-sm);
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .device-showcase {
        transform: scale(0.8);
        margin-top: var(--spacing-md);
    }
    
    .phone-mockup {
        width: 180px;
        height: 360px;
    }
    
    .watch-mockup {
        width: 100px;
        height: 100px;
    }
    
    .app-interface {
        padding: 12px;
        gap: 10px;
    }
    
    .notification-item, .health-widget {
        padding: 10px 12px;
        font-size: 12px;
    }
    
    .notification-item i, .health-widget i {
        font-size: 14px;
    }
    
    .watch-notification {
        padding: 6px 10px;
        font-size: 10px;
    }
    
    .watch-notification i {
        font-size: 10px;
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
        padding: 0 var(--spacing-sm);
    }
    
    .section-title {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .section-subtitle {
        font-size: 1rem;
        line-height: 1.5;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: 0 var(--spacing-sm);
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .feature-card h3 {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .feature-card p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .installation-steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: 0 var(--spacing-sm);
    }
    
    .step-card {
        padding: var(--spacing-lg);
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        margin-bottom: var(--spacing-md);
    }
    
    .step-content h3 {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .step-content p {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-md);
        line-height: 1.5;
    }
    
    .step-content .btn {
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }
    
    .pricing-card {
        padding: var(--spacing-xl);
        margin: 0;
    }
    
    .pricing-card.featured {
        transform: none;
        order: -1;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }
    
    .pricing-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
        margin-bottom: var(--spacing-md);
    }
    
    .pricing-card h3 {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .price-amount {
        font-size: 2rem;
    }
    
    .pricing-header > p {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-md);
    }
    
    .support-section {
        padding: var(--spacing-lg);
        margin-top: var(--spacing-lg);
    }
    
    .devices-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-md);
        padding: 0 var(--spacing-sm);
    }
    
    .device-card {
        padding: var(--spacing-md);
    }
    
    .device-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .device-card h4 {
        font-size: 1rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .device-card p {
        font-size: 0.8rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        padding: 0 var(--spacing-sm);
    }
    
    .contact-card {
        padding: var(--spacing-lg);
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .contact-card h3 {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .contact-card p {
        font-size: 0.9rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        padding: 0 var(--spacing-sm);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-section h4 {
        font-size: 1rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .footer-section a {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .nav-container {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .hero {
        padding-top: 70px;
        min-height: 85vh;
    }
    
    .hero-container {
        padding: 0 var(--spacing-xs);
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 1.875rem;
        line-height: 1.1;
    }
    
    .hero-description {
        font-size: 0.9rem;
        line-height: 1.4;
    }
    
    .hero-actions .btn {
        max-width: 260px;
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: var(--spacing-xs);
    }
    
    .device-showcase {
        transform: scale(0.6);
        margin-top: var(--spacing-sm);
    }
    
    .phone-mockup {
        width: 160px;
        height: 320px;
    }
    
    .watch-mockup {
        width: 80px;
        height: 80px;
    }
    
    .app-interface {
        padding: 10px;
        gap: 8px;
    }
    
    .notification-item, .health-widget {
        padding: 8px 10px;
        font-size: 11px;
    }
    
    .notification-item i, .health-widget i {
        font-size: 12px;
    }
    
    .watch-notification {
        padding: 5px 8px;
        font-size: 9px;
    }
    
    .watch-notification i {
        font-size: 9px;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-xl);
        padding: 0 var(--spacing-xs);
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    .features-grid {
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-xs);
    }
    
    .feature-card {
        padding: var(--spacing-md);
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .feature-card h3 {
        font-size: 1.125rem;
    }
    
    .feature-card p {
        font-size: 0.85rem;
    }
    
    .installation-steps {
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-xs);
    }
    
    .step-card {
        padding: var(--spacing-md);
    }
    
    .step-number {
        width: 45px;
        height: 45px;
        font-size: 1.125rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .step-content h3 {
        font-size: 1rem;
    }
    
    .step-content p {
        font-size: 0.85rem;
    }
    
    .step-content .btn {
        font-size: 0.8rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .pricing-grid {
        gap: var(--spacing-md);
        padding: 0 var(--spacing-xs);
    }
    
    .pricing-card {
        padding: var(--spacing-lg);
        margin: 0;
    }
    
    .pricing-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .pricing-card h3 {
        font-size: 1.125rem;
    }
    
    .price-amount {
        font-size: 1.75rem;
    }
    
    .pricing-header > p {
        font-size: 0.85rem;
    }
    
    .plan-badge {
        font-size: 0.75rem;
        padding: 4px var(--spacing-sm);
    }
    
    .support-section {
        padding: var(--spacing-md);
    }
    
    .devices-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-xs);
    }
    
    .device-card {
        padding: var(--spacing-sm);
    }
    
    .device-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .device-card h4 {
        font-size: 0.9rem;
    }
    
    .device-card p {
        font-size: 0.75rem;
    }
    
    .contact-grid {
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-xs);
    }
    
    .contact-card {
        padding: var(--spacing-md);
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .contact-card h3 {
        font-size: 1rem;
    }
    
    .contact-card p {
        font-size: 0.85rem;
    }
    
    .footer-content {
        padding: 0 var(--spacing-xs);
    }
    
    .footer-section h4 {
        font-size: 0.9rem;
    }
    
    .footer-section a {
        font-size: 0.8rem;
    }
}

/* FAQ Page Styles */
.faq-content {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.search-container {
    max-width: 800px;
    margin: 0 auto 40px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 15px 20px;
    padding-left: 50px;
    border-radius: 30px;
    border: 2px solid var(--border-primary);
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 10px var(--shadow-secondary);
    transition: all var(--transition-normal);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 4px 20px rgba(0, 113, 227, 0.2);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

.faq-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.category-button {
    padding: 10px 20px;
    background-color: var(--bg-secondary);
    border-radius: 20px;
    border: 1px solid var(--border-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--text-primary);
}

.category-button:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.category-button.active {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

/* FAQ Hero Section - Optimized for content */
.faq-hero {
    padding: 120px 0 40px 0;
    text-align: center;
    position: relative;
}

.faq-hero .hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.faq-hero .hero-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.faq-hero .hero-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.faq-section {
    margin-bottom: 60px;
    scroll-margin-top: 100px;
}

.faq-section-title {
    font-size: 24px;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-primary);
    text-align: left;
    color: var(--text-primary);
}

.faq-item {
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px var(--shadow-secondary);
    transition: all var(--transition-normal);
    scroll-margin-top: 100px;
    box-sizing: border-box;
    max-width: 100%;
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
}

.faq-item:target {
    box-shadow: 0 5px 25px rgba(0, 113, 227, 0.3);
    border: 2px solid var(--accent-primary);
    animation: highlight 1.5s ease;
}

@keyframes highlight {
    0% { background-color: rgba(0, 113, 227, 0.2); }
    100% { background-color: transparent; }
}

.faq-item:hover {
    box-shadow: 0 5px 15px var(--shadow-primary);
}

.faq-question {
    padding: 20px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
    width: 100%;
    border-bottom: 1px solid var(--border-primary);
}

.faq-question-content {
    flex: 1;
    margin-right: 10px;
    text-align: left;
    color: var(--text-primary);
}

.faq-question::after {
    content: '\f107';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    transition: transform var(--transition-normal);
    color: var(--text-secondary);
}

.faq-item.active .faq-question::after {
    transform: rotate(180deg);
}

.faq-share-link {
    margin-left: 10px;
    color: var(--text-tertiary);
    font-size: 16px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.faq-question:hover .faq-share-link {
    opacity: 1;
}

.faq-answer {
    background-color: var(--bg-secondary);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-sizing: border-box;
    width: 100%;
    color: var(--text-primary);
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 2000px;
}

.faq-answer p, 
.faq-answer ul, 
.faq-answer ol,
.faq-answer h4,
.faq-answer pre {
    box-sizing: border-box;
    max-width: 100%;
    width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
    text-align: left;
    color: var(--text-primary);
    margin: 0 0 16px 0;
    padding: 0;
}

.faq-answer ul, 
.faq-answer ol {
    padding-left: 20px;
    margin-left: 0;
}

.faq-answer li {
    margin-bottom: 8px;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* Code styling */
.code-container {
    position: relative;
    margin: 16px 0;
}

.code-container pre {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 12px 16px;
    overflow-x: auto;
    margin: 0;
    font-family: 'Roboto Mono', monospace;
    font-size: 14px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    border-left: 4px solid var(--accent-primary);
    border: 1px solid var(--border-primary);
}

.copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 4px;
    color: var(--text-primary);
    padding: 5px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.copy-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.code-note {
    margin-top: 4px;
    font-size: 13px;
    color: #ff9800;
    padding-left: 10px;
}

/* Tip box styling */
.tip-box {
    background-color: var(--accent-tertiary);
    border-left: 4px solid var(--accent-primary);
    padding: 16px;
    margin: 24px 0;
    border-radius: 4px;
    border: 1px solid var(--border-primary);
}

.tip-header {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--accent-primary);
}

.tip-header i {
    margin-right: 6px;
}

/* Highlighted search results */
.highlighted {
    background-color: rgba(255, 230, 0, 0.3);
    padding: 2px 4px;
    border-radius: 3px;
}

/* Responsive FAQ styles */
@media (max-width: 768px) {
    .faq-hero {
        padding: 100px 0 30px 0;
    }
    
    .faq-hero .hero-title {
        font-size: 2rem;
    }
    
    .faq-hero .hero-description {
        font-size: 1rem;
    }
    
    .faq-content {
        padding: var(--spacing-2xl) 0;
    }
    
    .search-input {
        padding: 12px 20px 12px 45px;
    }
    
    .faq-section-title {
        font-size: 20px;
    }
    
    .faq-question {
        padding: 15px;
    }
    
    .faq-item.active .faq-answer {
        padding: 16px;
    }
    
    .category-button {
        padding: 8px 15px;
        font-size: 13px;
    }
}