/* CSS Custom Properties */
:root {
    /* Futuristic Color Scheme - Original Design */
    --primary-cyan: #00f5ff;
    --primary-purple: #8b5cf6;
    --primary-pink: #ec4899;
    --secondary-orange: #f97316;
    --secondary-blue: #3b82f6;
    --accent-green: #10b981;
    
    /* Gradients */
    --cyber-gradient: linear-gradient(135deg, #00f5ff 0%, #8b5cf6 50%, #ec4899 100%);
    --neon-gradient: linear-gradient(135deg, #ec4899 0%, #f97316 50%, #10b981 100%);
    --electric-gradient: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 50%, #00f5ff 100%);
    
    /* Background */
    --bg-primary: #0a0a0f;
    --bg-secondary: #1a1a2e;
    --bg-accent: rgba(0, 245, 255, 0.1);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    --text-glow: rgba(0, 245, 255, 0.8);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows and Glows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --glow-cyan: 0 0 30px rgba(0, 245, 255, 0.5);
    --glow-purple: 0 0 30px rgba(139, 92, 246, 0.5);
    --glow-pink: 0 0 30px rgba(236, 72, 153, 0.5);
}

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

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

body {
    font-family: var(--font-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background: #000;
}

/* Background Container */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.futuristic-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(ellipse at 20% 50%, rgba(0, 245, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%;
    animation: futuristicShift 20s ease infinite;
}

@keyframes futuristicShift {
    0%, 100% { 
        background-position: 0% 0%, 0% 0%, 0% 0%, 0% 0%; 
    }
    25% { 
        background-position: 100% 100%, 0% 0%, 0% 0%, 0% 0%; 
    }
    50% { 
        background-position: 100% 100%, 100% 100%, 0% 0%, 0% 0%; 
    }
    75% { 
        background-position: 100% 100%, 100% 100%, 100% 100%, 0% 0%; 
    }
}

/* Particles Animation */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation: cyberFloat 15s infinite linear;
    pointer-events: none;
}

@keyframes cyberFloat {
    0% {
        transform: translateY(100vh) translateX(0) rotate(0deg) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: scale(1);
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(50px) rotate(360deg) scale(0);
        opacity: 0;
    }
}

/* Geometric Shapes */
.geometric-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.geometric-shapes::before,
.geometric-shapes::after {
    content: '';
    position: absolute;
    border: 2px solid rgba(0, 245, 255, 0.1);
    animation: rotate 30s linear infinite;
}

.geometric-shapes::before {
    top: 10%;
    right: 10%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    animation-delay: 0s;
}

.geometric-shapes::after {
    bottom: 15%;
    left: 15%;
    width: 150px;
    height: 150px;
    transform-origin: center;
    animation-delay: -15s;
}

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

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

/* Main Content */
.main-content {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* Hero Section */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

/* Logo Container */
.logo-container {
    margin-bottom: var(--spacing-2xl);
}

.main-logo {
    font-family: var(--font-primary);
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 800;
    line-height: 1;
    background: var(--cyber-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: cyberTextGradient 4s ease infinite;
    text-shadow: var(--glow-cyan);
    letter-spacing: -0.02em;
}

@keyframes cyberTextGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

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

/* Download Button */
.download-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-family: var(--font-primary);
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    background: var(--cyber-gradient);
    background-size: 200% 200%;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    overflow: hidden;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.download-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--neon-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.download-button:hover::before {
    opacity: 1;
}

.download-button:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--glow-cyan);
    border-color: var(--primary-cyan);
}

.download-button:active {
    transform: translateY(-2px) scale(1.02);
}

.button-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--cyber-gradient);
    border-radius: var(--radius-xl);
    z-index: -2;
    opacity: 0;
    animation: buttonPulse 2s ease infinite;
}

.download-button:hover .button-glow {
    opacity: 0.7;
}

@keyframes buttonPulse {
    0%, 100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.3;
        transform: scale(1.05);
    }
}



/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .download-button {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
    
    .main-logo {
        font-size: clamp(3rem, 15vw, 6rem);
    }
    
    .geometric-shapes::before,
    .geometric-shapes::after {
        display: none; /* Hide geometric shapes on mobile for performance */
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: var(--spacing-xl) 0;
    }
    
    .logo-container {
        margin-bottom: var(--spacing-xl);
    }
    
    .main-logo {
        font-size: clamp(2.5rem, 12vw, 5rem);
    }
    
    .download-button {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1rem;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #ffffff;
        --text-muted: #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;
    }
    
    .gradient-bg {
        animation: none;
    }
    
    .particle {
        animation: none;
    }
    
    .wave-animation {
        animation: none;
    }
}