.nav-link.active {
    color: var(--brand-green) !important;
}

.navbar-nav .nav-link {
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--brand-green);
    transition: width 0.3s ease, left 0.3s ease;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 100%;
    left: 0;
}