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

/* 3D Animated Background System */
.animated-3d-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
    perspective: 1000px;
    will-change: transform;
}

/* 3D Cubes */
.cube-3d {
    position: relative;
    transform-style: preserve-3d;
    animation: cube-rotate-smooth 20s linear infinite;
    will-change: transform;
}

/* 3D Cube Containers */
.cube-container-3d {
    position: absolute;
    transform-style: preserve-3d;
    will-change: transform;
    /* Removed conflicting float animation */
}

/* Cube Faces */
.cube-face-3d {
    position: absolute;
    width: 130px;
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(12px, 2vw, 20px);
    background: linear-gradient(135deg, 
        rgba(var(--primary-rgb), 0.1) 0%, 
        rgba(var(--secondary-rgb), 0.1) 100%);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

/* Individual Face Positions */
.cube-face-3d.front { transform: rotateY(0deg) translateZ(65px); }
.cube-face-3d.back { transform: rotateY(180deg) translateZ(65px); }
.cube-face-3d.right { transform: rotateY(90deg) translateZ(65px); }
.cube-face-3d.left { transform: rotateY(-90deg) translateZ(65px); }
.cube-face-3d.top { transform: rotateX(90deg) translateZ(65px); }
.cube-face-3d.bottom { transform: rotateX(-90deg) translateZ(65px); }



/* Animations - Optimized for performance */
@keyframes cube-rotate-smooth {
    0% { transform: rotateX(0deg) rotateY(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}



/* Responsive Cube Sizing */
@media (max-width: 767px) {
    .cube-face-3d {
        width: 70px;
        height: 70px;
        font-size: 12px;
    }
    .cube-face-3d.front { transform: rotateY(0deg) translateZ(35px); }
    .cube-face-3d.back { transform: rotateY(180deg) translateZ(35px); }
    .cube-face-3d.right { transform: rotateY(90deg) translateZ(35px); }
    .cube-face-3d.left { transform: rotateY(-90deg) translateZ(35px); }
    .cube-face-3d.top { transform: rotateX(90deg) translateZ(35px); }
    .cube-face-3d.bottom { transform: rotateX(-90deg) translateZ(35px); }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .cube-face-3d {
        width: 100px;
        height: 100px;
        font-size: 16px;
    }
    .cube-face-3d.front { transform: rotateY(0deg) translateZ(50px); }
    .cube-face-3d.back { transform: rotateY(180deg) translateZ(50px); }
    .cube-face-3d.right { transform: rotateY(90deg) translateZ(50px); }
    .cube-face-3d.left { transform: rotateY(-90deg) translateZ(50px); }
    .cube-face-3d.top { transform: rotateX(90deg) translateZ(50px); }
    .cube-face-3d.bottom { transform: rotateX(-90deg) translateZ(50px); }
}

@media (min-width: 1024px) {
    .cube-face-3d {
        width: 130px;
        height: 130px;
        font-size: 20px;
    }
    .cube-face-3d.front { transform: rotateY(0deg) translateZ(65px); }
    .cube-face-3d.back { transform: rotateY(180deg) translateZ(65px); }
    .cube-face-3d.right { transform: rotateY(90deg) translateZ(65px); }
    .cube-face-3d.left { transform: rotateY(-90deg) translateZ(65px); }
    .cube-face-3d.top { transform: rotateX(90deg) translateZ(65px); }
    .cube-face-3d.bottom { transform: rotateX(-90deg) translateZ(65px); }
}

/* Dark theme adjustments */
[data-theme="dark"] .cube-face-3d {
    background: linear-gradient(135deg, 
        rgba(var(--primary-rgb), 0.15) 0%, 
        rgba(var(--secondary-rgb), 0.15) 100%);
    border-color: rgba(var(--primary-rgb), 0.3);
}

[data-theme="dark"] .floating-particle {
    background: radial-gradient(circle, 
        rgba(var(--primary-rgb), 0.8) 0%, 
        rgba(var(--primary-rgb), 0.2) 70%, 
        transparent 100%);
}

:root {
    /* Primary Colors - Based on app's cyan theme */
    --primary-color: #00FFFC;
    --primary-rgb: 0, 255, 252;
    --primary-dark: #00D4D1;
    --primary-light: #4DFFFD;
    
    /* Secondary Colors */
    --secondary-color: #6C63FF;
    --secondary-rgb: 108, 99, 255;
    --accent-color: #DA5656;
    --success-color: #107234;
    --warning-color: #FF8A00;
    
    /* Light Theme Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F5;
    --bg-tertiary: #EEEEEE;
    --text-primary: #212121;
    --text-secondary: #666666;
    --text-tertiary: #888888;
    --border-color: #CCCCCC;
    --card-bg: #FFFFFF;
    --navbar-bg: rgba(255, 255, 255, 0.95);
    
    /* Neutral Colors (will be overridden in dark theme) */
    --dark: #0A0A0A;
    --dark-light: #1A1A1A;
    --gray-900: #212121;
    --gray-800: #333333;
    --gray-700: #4A4A4A;
    --gray-600: #666666;
    --gray-500: #888888;
    --gray-400: #AAAAAA;
    --gray-300: #CCCCCC;
    --gray-200: #EEEEEE;
    --gray-100: #F5F5F5;
    --white: #FFFFFF;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-dark: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    --gradient-light: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    
    /* Device Frame Colors (Light Theme) */
    --device-frame-bg: #EEEEEE;
    --device-screen-bg: #FFFFFF;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-primary: 0 10px 30px rgba(0, 255, 252, 0.3);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* 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;
    
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-dropdown: 10;
    --z-sticky: 20;
    --z-fixed: 30;
    --z-modal: 40;
    --z-tooltip: 50;
    
    /* Background Screenshot Variables for Light Theme */
    --bg-screenshot-1: url('images/screenshot-home-light.png');
    --bg-screenshot-2: url('images/screenshot-analytics-light.png');
    --bg-screenshot-3: url('images/app-preview-light.png');
    --bg-screenshot-4: url('images/screenshot-schedule-light.png');
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0A0A0A;
    --bg-secondary: #1A1A1A;
    --bg-tertiary: #212121;
    --text-primary: #FFFFFF;
    --text-secondary: #CCCCCC;
    --text-tertiary: #AAAAAA;
    --border-color: #333333;
    --card-bg: #1A1A1A;
    --navbar-bg: rgba(26, 26, 26, 0.95);
    
    /* Update neutral colors for dark theme */
    --gray-900: #FFFFFF;
    --gray-800: #EEEEEE;
    --gray-700: #CCCCCC;
    --gray-600: #AAAAAA;
    --gray-500: #888888;
    --gray-400: #666666;
    --gray-300: #4A4A4A;
    --gray-200: #333333;
    --gray-100: #1A1A1A;
    --white: #0A0A0A;
    
    /* Update gradients for dark theme */
    --gradient-dark: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    --gradient-light: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    
    /* Device Frame Colors (Dark Theme) */
    --device-frame-bg: #2A2A2A;
    --device-screen-bg: #1A1A1A;
    
    /* Update shadows for dark theme */
    --shadow-sm: 0 1px 2px rgba(255, 255, 255, 0.05);
    --shadow-md: 0 4px 6px rgba(255, 255, 255, 0.1);
    --shadow-lg: 0 10px 15px rgba(255, 255, 255, 0.1);
    --shadow-xl: 0 20px 25px rgba(255, 255, 255, 0.15);
    
    /* Background Screenshot Variables for Dark Theme */
    --bg-screenshot-1: url('images/screenshot-home-dark.png');
    --bg-screenshot-2: url('images/screenshot-analytics-dark.png');
    --bg-screenshot-3: url('images/app-preview-dark.png');
    --bg-screenshot-4: url('images/screenshot-schedule-dark.png');
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    position: relative;
    z-index: 10;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 255, 252, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-platform {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.btn-platform:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

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

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

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

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

.theme-toggle {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--text-primary);
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.theme-icon {
    font-size: 20px;
    transition: transform var(--transition-normal);
}

.theme-toggle:hover .theme-icon {
    transform: rotate(180deg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0 var(--space-3xl);
    position: relative;
    overflow: hidden;
}

/* Simplified section styles - backgrounds now handled by fixed layer */

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

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--primary);
    text-align: center;
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-2xl);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: var(--device-frame-bg);
    border-radius: 25px;
    padding: 4px;
    box-shadow: var(--shadow-xl);
    position: relative;
    transition: background-color 0.3s ease;
}

.screen {
    width: 100%;
    height: 100%;
    background: var(--device-screen-bg);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.app-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.floating-card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-width: 140px;
    animation: float 6s ease-in-out infinite;
}

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

.card-2 {
    top: 30%;
    right: -20%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 20%;
    left: -20%;
    animation-delay: 4s;
}

.card-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.card-content h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: 2px;
}

.card-content p {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    overflow: hidden;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: rotate 20s linear infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--gradient-primary);
    bottom: 20%;
    left: 20%;
    animation-delay: 10s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--gradient-primary);
    top: 60%;
    right: 30%;
    animation-delay: 15s;
}

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

/* Features Section */
.features {
    padding: var(--space-3xl) 0;
    background: transparent;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
}

.feature-card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    color: var(--white);
    font-size: 28px;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.feature-description {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-lg);
}

.feature-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.highlight {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.highlight .material-icons-outlined {
    color: var(--primary-color);
    font-size: 18px;
}

/* Screenshots Section */
.screenshots {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
}

.screenshots-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.screenshot-item {
    display: none;
    background: var(--card-bg);
}

.screenshot-item.active {
    display: block;
}

.screenshot-image {
    width: 100%;
    height: auto;
    min-height: 300px;
    max-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-light);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-lg);
}

.screenshot-image img {
    max-width: 100%;
    max-height: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.screenshot-info {
    padding: var(--space-2xl);
    text-align: center;
}

.screenshot-info h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.screenshot-info p {
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

.screenshot-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background: var(--border-color);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.nav-dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

.nav-dot:hover {
    background: var(--primary-dark);
}

/* Download Section */
.download {
    padding: var(--space-3xl) 0;
    background: transparent;
    color: var(--text-primary);
}

/* Download Hero Section */
.download-hero {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    text-align: center;
    margin-bottom: var(--space-3xl);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.download-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: hero-pulse 3s ease-in-out infinite;
}

@keyframes hero-pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-md);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-platform-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero-platform-icon .material-icons-outlined {
    font-size: 40px;
    color: var(--white);
}

.download-hero h3 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--white);
    margin-bottom: var(--space-md);
}

.hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

.hero-separator {
    opacity: 0.6;
}

.btn-large {
    padding: var(--space-lg) var(--space-3xl);
    font-size: var(--font-size-lg);
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.hero-hint {
    margin-top: var(--space-lg);
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
}

/* Download Tabs */
.download-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
    justify-content: center;
    padding: var(--space-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.download-tab-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-xl);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.download-tab-btn:hover {
    color: var(--primary-color);
    background: var(--bg-tertiary);
}

.download-tab-btn.active {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.download-tab-btn .material-icons-outlined {
    font-size: 20px;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
    width: 100%;
    max-width: 100%;
}

.loading-downloads {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-secondary);
}

.loading-downloads .material-icons-outlined {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: var(--space-md);
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.download-option {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.download-option.detected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
    padding-top: calc(var(--space-2xl) + 32px);
}

.download-option.detected::after {
    content: 'Recommended';
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.download-option:hover {
    background: var(--bg-tertiary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.download-option[data-category] {
    display: flex;
    flex-direction: column;
}

.platform-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 32px;
    color: var(--white);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.download-option:hover .platform-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

/* Platform-specific icon colors - Unified cyan/primary theme */
.platform-icon.android {
    background: linear-gradient(135deg, #00FFFC, #00D4D1);
}

.platform-icon.ios {
    background: linear-gradient(135deg, #4DFFFD, #00FFFC);
}

.platform-icon.windows {
    background: linear-gradient(135deg, #00D4D1, #00A8A5);
}

.platform-icon.macos {
    background: linear-gradient(135deg, #00FFFC, #6C63FF);
}

.platform-icon.linux {
    background: linear-gradient(135deg, #6C63FF, #5A52D5);
}

.platform-icon.web {
    background: linear-gradient(135deg, #00FFFC, #4DFFFD);
}

.download-option h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.download-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.version-badge,
.size-badge,
.rating-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}

.version-badge {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1), rgba(var(--secondary-rgb), 0.1));
    color: var(--primary-color);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
}

.rating-badge {
    color: #FFA000;
}

.download-option p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    min-height: 40px;
}

/* Format Selector */
.format-selector {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    width: 100%;
}

.format-selector label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
}

.format-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    padding-right: calc(var(--space-md) + 24px);
}

.format-select:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

.format-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

[data-theme="dark"] .format-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23CCC' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
}

/* Format Info Helper */
.format-info {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background: rgba(var(--primary-rgb), 0.1);
    border-radius: var(--radius-sm);
    margin-top: var(--space-xs);
    border-left: 3px solid var(--primary-color);
}

.format-info .material-icons-outlined {
    font-size: 18px;
    color: var(--primary-color);
}

.format-info-text {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Download Options Container */
.download-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    width: 100%;
}

.download-primary {
    width: 100%;
}

/* Footer */
.footer {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--space-3xl) 0 var(--space-lg);
    border-top: 1px solid var(--border-color);
}

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

.footer-section h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer-description {
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

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

.footer-section ul li {
    margin-bottom: var(--space-sm);
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p:first-child {
    margin-bottom: var(--space-xs);
}

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 15% auto;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-lg);
    color: var(--text-tertiary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.modal-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: var(--white);
    font-size: 40px;
}

.modal-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: var(--line-height-relaxed);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--card-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--space-lg) 0;
        gap: var(--space-lg);
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-actions {
        gap: var(--space-sm);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .bar {
        background: var(--text-primary);
    }

    /* Hero */
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
    }

    .floating-card {
        display: none;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }

    /* Sections */
    .section-title {
        font-size: var(--font-size-3xl);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .download-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: var(--space-md);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }

    /* Modal */
    .modal-content {
        margin: 20% auto;
        padding: var(--space-lg);
    }

    /* Screenshots Section */
    .screenshot-image {
        min-height: 250px;
        max-height: 50vh;
        padding: var(--space-md);
    }

    .screenshot-info {
        padding: var(--space-lg);
    }

    .screenshot-info h3 {
        font-size: var(--font-size-xl);
    }

    .screenshot-info p {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-description {
        font-size: var(--font-size-base);
    }

    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .feature-card {
        padding: var(--space-lg);
    }

    .download-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--space-sm);
    }

    .download-option {
        padding: var(--space-lg);
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
    }

    /* Screenshots Section */
    .screenshot-image {
        min-height: 200px;
        max-height: 40vh;
        padding: var(--space-sm);
    }

    .screenshot-info {
        padding: var(--space-md);
    }

    .screenshot-info h3 {
        font-size: var(--font-size-lg);
    }

    .screenshot-info p {
        font-size: var(--font-size-xs);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-200);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: var(--white);
}

/* Focus States */
.btn:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .hero-bg,
    .floating-card {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
}

/* ================================
   PLATFORMS SECTION
   ================================ */

.platforms {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.platforms::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 255, 252, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(108, 99, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.platform-showcase {
    position: relative;
    z-index: 1;
}

.platform-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    position: relative;
}

@keyframes syncFlow {
    0%, 100% {
        opacity: 0.3;
        transform: translateX(-50%) scaleX(0.8);
    }
    50% {
        opacity: 0.8;
        transform: translateX(-50%) scaleX(1.2);
    }
}

@keyframes dataPacket {
    0% {
        left: 0;
        opacity: 0;
        transform: scale(0.5);
    }
    10% {
        opacity: 1;
        transform: scale(1);
    }
    90% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        left: calc(100% - 8px);
        opacity: 0;
        transform: scale(0.5);
    }
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

/* Sync pulse effect */
.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(var(--primary-rgb), 0.3) 50%, 
        transparent 100%);
    transition: left 0.8s ease;
    z-index: 1;
}

/* Data sync indicator */
.tab-btn::after {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
    box-shadow: 0 0 6px var(--secondary-color);
    z-index: 2;
}

.tab-btn.sync-pulse::before {
    left: 100%;
}

.tab-btn.sync-active::after {
    opacity: 1;
    transform: scale(1);
    animation: syncIndicator 1.5s ease-in-out;
}

@keyframes syncIndicator {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.7;
    }
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tab-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--dark);
    box-shadow: var(--shadow-lg);
    animation: activeTabGlow 2s ease-in-out infinite;
}

.tab-btn.active::after {
    background: var(--dark);
    box-shadow: 0 0 6px var(--dark);
}

@keyframes activeTabGlow {
    0%, 100% {
        box-shadow: var(--shadow-lg);
    }
    50% {
        box-shadow: 0 8px 32px rgba(var(--primary-rgb), 0.4);
    }
}

.tab-btn .material-icons-outlined {
    font-size: 18px;
}

.platform-content {
    position: relative;
    min-height: 600px;
}

.platform-view {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.platform-view.active {
    display: block;
}

.platform-screenshots {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.screenshot-container {
    position: relative;
}

.screenshot-frame {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--card-bg);
}

.web-frame {
    border-radius: 12px;
}

.browser-bar {
    height: 40px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.browser-dots {
    display: flex;
    gap: 6px;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-400);
}

.browser-dots span:nth-child(1) { background: #FF5F57; }
.browser-dots span:nth-child(2) { background: #FFBD2E; }
.browser-dots span:nth-child(3) { background: #28CA42; }

.browser-url {
    background: var(--bg-primary);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.mobile-frame {
    max-width: 280px;
    margin: 0 auto;
    border-radius: 25px;
    padding: 4px;
    background: var(--device-frame-bg);
    transition: background-color 0.3s ease;
}

.mobile-frame .platform-screenshot {
    border-radius: 20px;
    width: 100%;
    height: auto;
    object-fit: cover;
}

.ios-frame {
    border-radius: 35px;
    padding: 6px;
    background: var(--device-frame-bg);
}

.ios-frame .platform-screenshot {
    border-radius: 28px;
}

.desktop-frame {
    border-radius: 8px;
}

.window-bar {
    height: 36px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid var(--border-color);
}

.window-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.window-controls span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-400);
}

.macos-controls {
    display: flex;
    gap: 6px;
    align-items: center;
}

.macos-controls span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-400);
}

.macos-controls span:nth-child(1) { background: #FF5F57; }
.macos-controls span:nth-child(2) { background: #FFBD2E; }
.macos-controls span:nth-child(3) { background: #28CA42; }

.linux-controls {
    order: 1;
}

.window-title {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.platform-screenshot {
    width: 100%;
    height: auto;
    display: block;
    transition: opacity 0.3s ease;
    border-radius: inherit;
}

/* Specific styling for different frame types */
.desktop-frame .platform-screenshot {
    border-radius: 0 0 8px 8px;
}

.web-frame .platform-screenshot {
    border-radius: 0 0 12px 12px;
}

.macos-frame .platform-screenshot {
    border-radius: 0 0 8px 8px;
}

.linux-frame .platform-screenshot {
    border-radius: 0 0 8px 8px;
}

/* Show light screenshots by default (light theme) */
.platform-screenshot.light-screenshot,
.app-preview.light-screenshot,
.carousel-screenshot.light-screenshot {
    display: block;
}

.platform-screenshot.dark-screenshot,
.app-preview.dark-screenshot,
.carousel-screenshot.dark-screenshot {
    display: none;
}

/* Show dark screenshots when dark theme is active */
[data-theme="dark"] .platform-screenshot.light-screenshot,
[data-theme="dark"] .app-preview.light-screenshot,
[data-theme="dark"] .carousel-screenshot.light-screenshot {
    display: none;
}

[data-theme="dark"] .platform-screenshot.dark-screenshot,
[data-theme="dark"] .app-preview.dark-screenshot,
[data-theme="dark"] .carousel-screenshot.dark-screenshot {
    display: block;
}

.platform-info h3 {
    font-size: 28px;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-weight: 700;
}

.platform-info p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.platform-features {
    list-style: none;
}

.platform-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    color: var(--text-secondary);
}

.platform-features .material-icons-outlined {
    color: var(--primary-color);
    font-size: 18px;
}

/* Responsive Design for Platforms Section */
@media (max-width: 768px) {
    .platforms {
        padding: 60px 0;
    }
    
    .platform-tabs {
        gap: 6px;
        margin-bottom: 40px;
    }
    
    .tab-btn {
        padding: 10px 16px;
        font-size: 12px;
    }
    
    .tab-btn .material-icons-outlined {
        font-size: 16px;
    }
    
    .platform-screenshots {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .platform-info h3 {
        font-size: 24px;
    }
    
    .platform-info p {
        font-size: 14px;
    }
    
    .mobile-frame {
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .platform-tabs {
        gap: 4px;
    }
    
    .tab-btn {
        padding: 8px 12px;
        font-size: 11px;
    }
    
    .tab-btn span {
        display: none;
    }
    
    .tab-btn .material-icons-outlined {
        margin: 0;
    }
    
    .mobile-frame {
        max-width: 220px;
    }
    
    .platform-info h3 {
        font-size: 20px;
    }
}

/* Floating GitHub Icon */
.floating-github-icon {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, 
        rgba(var(--primary-rgb), 0.9) 0%, 
        rgba(var(--secondary-rgb), 0.8) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    box-shadow: 0 3px 15px rgba(var(--primary-rgb), 0.4),
                0 1px 6px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(8px);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    will-change: transform;
    animation: gentle-pulse 3s ease-in-out infinite;
}

@keyframes gentle-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.floating-github-icon:hover {
    transform: translateY(-3px) scale(1.15);
    box-shadow: 0 6px 25px rgba(var(--primary-rgb), 0.6),
                0 3px 12px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, 
        rgba(var(--primary-rgb), 1) 0%, 
        rgba(var(--secondary-rgb), 0.95) 100%);
    animation: none;
}

.floating-github-icon .material-icons-outlined {
    font-size: 20px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-github-icon:hover .material-icons-outlined {
    transform: rotate(15deg) scale(1.1);
}

/* Dark theme adjustments */
[data-theme="dark"] .floating-github-icon {
    box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.4),
                0 2px 8px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .floating-github-icon:hover {
    box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.6),
                0 4px 15px rgba(0, 0, 0, 0.6);
}