@media (max-width: 529px) {
    .top-nav .col-auto p:first-child {
        display: none;
    }
}

@media (max-width: 767px) {
    .navbar-brand {
        font-size: 25px;       /* Set font size to 0 to hide the text */
    } 
}

@media (max-width: 402px) {
    .navbar-brand {
        font-size: 22px;       /* Set font size to 0 to hide the text */
    } 
}