body {
    background: #000;
    color: #fff;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
.container {
    padding: 20px;
    max-width: 600px;
    margin: auto;
}
.screen { display: none; }
.screen.active { display: block; }
.title {
    font-size: 28px;
    color: #b05cff;
    font-weight: bold;
}
.subtitle {
    color: #ccc;
    margin-bottom: 20px;
}
.btn {
    background: #8e2bff;
    border: none;
    padding: 15px;
    width: 100%;
    margin-top: 20px;
    font-size: 18px;
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
}
.btn:disabled {
    background: #333;
    cursor: not-allowed;
}
.option {
    padding: 12px;
    background: #111;
    border: 1px solid #8e2bff;
    margin: 10px 0;
    border-radius: 5px;
    cursor: pointer;
}
.option.selected {
    background: #8e2bff;
}
.benefits li {
    margin: 10px 0;
    color: #ddd;
}