body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #a1c4fd, #d39fff);
    color: #fff;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

header {
    text-align: center;
    padding: 30px;
}

.card {
    background-color: rgba(0,0,0,0.2);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    margin: 20px;
}

#ctaBtn {
    padding: 12px 25px;
    font-size: 1.1rem;
    border: none;
    border-radius: 12px;
    background-color: #d39fff;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s;
}

#ctaBtn:hover {
    background-color: #a1c4fd;
    transform: scale(1.05);
}

#msg {
    margin-top: 20px;
    font-weight: bold;
    font-size: 1.2rem;
}