:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

/* Background Animations */
.background-blobs {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 10s infinite alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: #4f46e5;
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: #a855f7;
    bottom: -50px;
    right: -50px;
    animation-delay: -5s;
}

.blob-3 {
    width: 200px;
    height: 200px;
    background: #ec4899;
    top: 40%;
    left: 40%;
    animation-delay: -2s;
    opacity: 0.4;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(30px, 50px); }
}

/* Glass Card */
.container {
    padding: 20px;
    width: 100%;
    max-width: 480px;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
}

/* Content */
.app-icon svg {
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.2));
    margin-bottom: 20px;
}

h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 8px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: #94a3b8;
    margin-bottom: 30px;
    font-size: 0.95rem;
}

.features {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: #e2e8f0;
}

.check {
    color: #a855f7;
    font-weight: bold;
}

/* Button */
.download-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.download-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
}

.download-btn:active {
    transform: scale(0.98);
}

.footer-note {
    margin-top: 24px;
    font-size: 0.8rem;
    color: #64748b;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .glass-card {
        padding: 30px 20px;
    }
    
    h1 {
        font-size: 1.75rem;
    }
}