.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 999;
  background: var(--ink);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 999px;
}
.skip-link:focus { top: 1rem; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}