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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    padding: 3rem 1rem 2rem;
}

.logo {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

main {
    flex: 1;
    padding: 0 1rem;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.cards-container {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin-bottom: 3rem;
}

.card {
    background: #2d3748;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    cursor: pointer;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

.card.coming-soon {
    opacity: 0.7;
    cursor: default;
}

.card.coming-soon:hover {
    transform: none;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.card h3 {
    color: #e2e8f0;
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.card p {
    color: #cbd5e0;
    font-size: 0.95rem;
}

footer {
    text-align: center;
    padding: 2rem 1rem;
    background: rgba(45, 55, 72, 0.1);
    border-top: 1px solid rgba(45, 55, 72, 0.1);
}

.friend-links h4 {
    color: #2d3748;
    margin-bottom: 1rem;
    font-weight: 500;
}

.friend-links a {
    color: #4a5568;
    text-decoration: none;
    margin: 0 1rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: inline-block;
}

.friend-links a:hover {
    background: rgba(45, 55, 72, 0.1);
    color: #2d3748;
}

@media (max-width: 600px) {
    .cards-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .logo {
        max-width: 150px;
    }
    
    header {
        padding: 2rem 1rem 1.5rem;
    }
}