body {
    margin: 0;
    padding: 0;
    background: #11151d;
    color: white;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.container {
    max-width: 700px;
    margin: auto;
    padding: 40px 20px;
}

h1 {
    font-size: 40px;
    margin-bottom: 8px;
}

.subtitle {
    color: #9aa4b2;
    margin-bottom: 40px;
}

.card {
    background: #1a1f29;
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 20px;
}

.card h2 {
    margin-top: 0;
}

.button {
    display: inline-block;
    margin-top: 16px;
    padding: 12px 18px;
    background: #3b82f6;
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: bold;
}