/* Cyber Armor Systems — Accessibility primitives.  Requires cas-tokens.css.
   .cas-sr-only: visible to screen readers, hidden on screen (icon-only button
   labels, etc.). .cas-skip-link: hidden until focused, then a visible button
   top-left that jumps keyboard users past nav to the main content. */

.cas-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;
}

.cas-skip-link {
  position: absolute;
  left: var(--cas-space-8);
  top: -48px;
  z-index: 1000;
  padding: var(--cas-space-8) var(--cas-space-16);
  background: var(--cas-control-fill);
  color: var(--cas-control-mark);
  font: 900 var(--cas-text-label)/1 var(--cas-font-heading);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--cas-radius-sm);
  transition: top 0.15s ease;
}
.cas-skip-link:focus {
  top: var(--cas-space-8);
  outline: 3px solid var(--cas-theme-focus);
  outline-offset: 2px;
}