Thick Underline Nav

<nav class="nuda-navx-ul-thick" aria-label="Main">
  <a class="nuda-navx-ul-thick__link nuda-navx-ul-thick__link--active" href="#">Work</a>
  <a class="nuda-navx-ul-thick__link" href="#">Studio</a>
  <a class="nuda-navx-ul-thick__link" href="#">Journal</a>
  <a class="nuda-navx-ul-thick__link" href="#">Contact</a>
</nav>

.nuda-navx-ul-thick {
  display: flex;
  gap: 1.75rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding-bottom: 0;
}

.nuda-navx-ul-thick__link {
  color: #777;
  text-decoration: none;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .6rem 0 .5rem;
  position: relative;
  transition: color .25s;
}

.nuda-navx-ul-thick__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 3px;
  background: #e4ff54;
  border-radius: 3px 3px 0 0;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s cubic-bezier(.4,0,.2,1);
}

.nuda-navx-ul-thick__link:hover {
  color: #fafafa;
}

.nuda-navx-ul-thick__link:hover::after {
  transform: scaleX(.5);
}

.nuda-navx-ul-thick__link--active {
  color: #fafafa;
}

.nuda-navx-ul-thick__link--active::after {
  transform: scaleX(1);
}

@media (prefers-reduced-motion:reduce) {
  .nuda-navx-ul-thick__link,.nuda-navx-ul-thick__link::after {
    transition: none;
  }
}