:root {
    --bg-color: #000000;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #d0bcff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.08);
    --glow-color: rgba(103, 80, 164, 0.15);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

.background-glow {
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 80vw;
    height: 80vw;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.icon-container {
    width: 120px;
    height: 120px;
    border-radius: 28px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.icon-container:hover {
    transform: scale(1.05);
}

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

.app-title {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(180deg, #fff 0%, #ccc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--text-primary);
    color: var(--bg-color);
    padding: 1rem 2.5rem;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.version-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 2rem;
    border-radius: 24px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: var(--glass-highlight);
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card ul {
    list-style: none;
}

.feature-card li {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.feature-card li::before {
    content: "•";
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Footer */
footer {
    text-align: center;
    padding: 4rem 0 2rem;
    color: var(--text-secondary);
}

.links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

@media (max-width: 768px) {
    .app-title {
        font-size: 2.5rem;
    }
    
    .container {
        padding: 1.5rem;
    }
}