/* ==========================================================================
   accessibility.css — skip link, focus rings, reduced motion
   ========================================================================== */

/* Skip link: invisible until focused, then floats top-left ------------- */
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus,
.skip-link:focus-visible {
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--accent);
  color: #fff;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 9999;
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* Visible focus rings ---------------------------------------------------- */
.link-card:focus-visible,
.project-card:focus-visible,
.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Respect reduced-motion preferences ------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}