/* Additional utility styles */

.text-center {
    text-align: center;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mb-10 {
    margin-bottom: 10px;
}

.mb-20 {
    margin-bottom: 20px;
}

.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 480px) {
    #wrapper {
        padding: 10px;
    }
    
    #inner {
        padding: 20px 16px;
        border-radius: 16px;
    }

    .age-box {
        padding: 30px 20px;
        margin: 0 16px;
    }

    .call-btn {
        font-size: 16px;
        padding: 14px;
    }
}