* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #111;
    color: #eee;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    flex: 1;
    max-width: 800px;
    margin: auto;
    padding: 40px 20px;
    text-align: center;
}

h1 {
    margin-bottom: 10px;
}

.subtitle {
    opacity: 0.7;
    margin-bottom: 40px;
}

.card {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.card h2 {
    margin-bottom: 10px;
}

.card p {
    margin-bottom: 20px;
    opacity: 0.8;
}

.button {
    display: inline-block;
    padding: 12px 20px;
    background: #2d89ef;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.2s;
}

.button:hover {
    background: #1b5fbf;
}

footer {
    text-align: center;
    padding: 15px;
    font-size: 14px;
    opacity: 0.6;
}