/* Global Styles */
:root {
    --primary-color: #6366f1;
    --secondary-color: #a855f7;
    --accent-color: #ec4899;
    --background-dark: #0f172a;
    --text-light: #f8fafc;
    --text-dim: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* Background Animation */
.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(168, 85, 247, 0.15) 0%, transparent 40%);
    animation: pulseGradient 10s ease-in-out infinite alternate;
}

@keyframes pulseGradient {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.1); opacity: 1; }
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.glass-button {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.glass-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.primary-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

/* Typography */
h1, h2, h3 {
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
}

p {
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    z-index: 10;
}

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 28px;
    margin-bottom: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* App Graphic / Mockup Placeholder */
.hero-image-container {
    margin-top: 60px;
    position: relative;
}

.hero-image {
    max-width: 90%;
    border-radius: 20px;
    box-shadow: 0 0 50px rgba(99, 102, 241, 0.2);
    border: 1px solid var(--glass-border);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 40px;
    text-align: left;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    display: inline-block;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
}

/* Gallery / Trailer */
.gallery {
    text-align: center;
}

.media-container {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
}

video {
    width: 100%;
    display: block;
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 60px 0;
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .hero {
        padding-top: 40px;
    }
}