.link-reveal { position: relative; }
.link-reveal-line {
  position: absolute;
  inset: 0 auto auto 0;
  display: block;
  height: 1px;
  background: var(--link-underline-hover);
  pointer-events: none;
  transform: scaleX(0);
  transition: transform 160ms cubic-bezier(.2, 0, 0, 1);
}
.link-reveal-line.is-visible { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) {
  .link-reveal-line { transition: none; }
}