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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.tagline {
    font-size: 16px;
    opacity: 0.9;
    font-weight: 400;
}

.links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.link-button {
    display: block;
    padding: 18px 24px;
    background: white;
    color: #333;
    text-decoration: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.link-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    background: #f8f8f8;
}

.link-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

@media (max-width: 480px) {
    body {
        padding: 15px;
    }
    
    h1 {
        font-size: 28px;
    }
    
    .tagline {
        font-size: 14px;
    }
    
    .link-button {
        padding: 16px 20px;
        font-size: 15px;
    }
}