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

:root {
    /* Color Scheme */
    --primary: #00F5FF;
    --background: #000000;
    --surface: #000000;
    --text: #E6F3FF;
    --text-secondary: #B8D4FF;
    --gradient-primary: linear-gradient(135deg, #00F5FF, #4A90E2);
    --gradient-secondary: linear-gradient(45deg, #00F5FF20, #000000);
    --gradient-card: linear-gradient(145deg, #000000, #000000);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 4px 6px rgba(0, 245, 255, 0.1);
    --shadow-md: 0 8px 25px rgba(0, 245, 255, 0.15);
    --shadow-lg: 0 20px 40px rgba(0, 245, 255, 0.2);
    --shadow-glow: 0 0 30px rgba(0, 245, 255, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 245, 255, 0.1);
}

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

.nav-logo h2 {
    color: var(--primary);
    margin: 0;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
}

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

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

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

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(0, 245, 255, 0.1) 0%, transparent 70%);
    padding-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

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

.hero-title {
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-bold);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-medium);
}

.hero-description {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

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

.cta-button {
    position: relative;
    background: var(--gradient-primary);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    color: var(--background);
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--transition-medium);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.button-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-slow);
}

.cta-button:hover .button-glow {
    left: 100%;
}

.availability-text {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
    font-weight: var(--font-weight-medium);
    text-align: center;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.15), rgba(74, 144, 226, 0.1));
    border: 1px solid rgba(0, 245, 255, 0.3);
    border-radius: 25px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 245, 255, 0.2);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.availability-text::before {
    content: '📱';
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

.availability-text:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 245, 255, 0.3);
    border-color: rgba(0, 245, 255, 0.5);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Floating cards removed - keeping only feature cards in the features section */

/* Features Section */
.features {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, transparent, rgba(0, 245, 255, 0.05));
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

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

.section-subtitle {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--gradient-card);
    border: 1px solid rgba(0, 245, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-medium);
}

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

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 245, 255, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    color: var(--text);
    margin-bottom: var(--spacing-md);
}

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

/* About Section */
.about {
    padding: var(--spacing-2xl) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-text h2 {
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--gradient-card);
    border-radius: var(--radius-md);
    border: 2px solid rgba(0, 245, 255, 0.4);
}

.stat h3 {
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.stat p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.stats-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: var(--spacing-xl);
}

.stats-vertical .stat {
    width: 100%;
    max-width: 250px;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 300px;
}

.tech-item {
    background: var(--gradient-card);
    border: 1px solid rgba(0, 245, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-medium);
}

.tech-item:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: scale(1.05);
}

/* Download Section */
.download {
    padding: var(--spacing-2xl) 0;
    background: var(--gradient-secondary);
    text-align: center;
}

.download-content h2 {
    margin-bottom: var(--spacing-sm);
}

.download-content p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
}

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

.download-btn {
    background: var(--surface);
    border: 2px solid rgba(0, 245, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text);
    cursor: pointer;
    transition: var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 160px;
}

.download-btn:hover {
    border-color: var(--primary);
    background: rgba(0, 245, 255, 0.1);
    transform: translateY(-2px);
}

.download-btn span {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.download-btn small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Footer */
.footer {
    background: var(--surface);
    border-top: 1px solid rgba(0, 245, 255, 0.1);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-main h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.footer-main p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 245, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .floating-card {
        position: relative;
        display: inline-block;
        margin: var(--spacing-sm);
        animation: none;
    }
    
    .card-1, .card-2, .card-3 {
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
        max-width: 200px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Focus States for Accessibility */
button:focus,
a:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --primary: #00FFFF;
        --text: #FFFFFF;
        --text-secondary: #CCCCCC;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-card {
        animation: none;
    }
}