/* Accessibility Utility Classes & Overrides */

/* Screen Reader Only Utility Class */
.sr-only, .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 logic for screen reader & keyboard navigation */
.skip-link:focus {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 9999;
  width: auto;
  height: auto;
  clip: auto;
  white-space: normal;
  padding: 1rem 1.5rem;
  background: var(--primary-cyan);
  color: var(--text-dark);
  font-weight: 900;
  border-radius: var(--radius-md);
  box-shadow: 0 0 20px rgba(0,0,0,0.8);
}

/* Clear High Contrast Keyboard Focus Rings */
:focus-visible {
  outline: 3px solid var(--border-focus) !important;
  outline-offset: 4px !important;
  border-radius: 4px;
}

/* Support for prefers-reduced-motion (Users who turn off animations) */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .module-card {
    opacity: 1 !important;
    transform: none !important;
  }
}