footer {
    background: var(--primary-blue);
}

.footer {
    display: flex;
    justify-content: space-between;
    padding: 1rem;  
    align-items: center;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer {
       flex-direction: row;
    }   
}

.footer img {
    width: 45px;
    height: 45px;
}
.footer .nav {
    display: flex;
    list-style: none;
    flex-direction: column;
    align-items: center;
}
@media (min-width: 768px) {
    .footer {
       flex-direction: row;
    } 
    .footer .nav {
        flex-direction: row;
        gap: 2rem;
    }  
}
.footer .nav li {
   padding: 0 0 .5rem;
    margin: .5rem .5rem 0;
    position: relative;
}

.footer .nav li a {
    color: white;
    font-size: .75rem;
    font-weight: 700;
    text-decoration: none;
}

.footer .nav li a:hover {
    color: white;
    font-size: .75rem;
    font-weight: 700;
}

.footer .nav li:hover::after  {
    content: '';  
    position: absolute;
    right: 0;
    bottom: 0;
    animation: underline .5s ease;
    background-color: white;
    width: 100%;
    height: 2px;
}

@keyframes underline {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 100%;
        opacity: 1;
    }
}