/* ──────────────────────────────────────────────────────────────────────────
   Section 508 / WCAG 2.1 AA — shared accessibility helpers.
   Linked site-wide. Additive and safe: no brand-color or layout changes.
   (Color-contrast fixes are intentionally NOT here — reported separately.)
   ────────────────────────────────────────────────────────────────────────── */

/* Skip-to-content link — visually hidden until focused (2.4.1 Bypass Blocks). */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100000;
  background: #1A2B4A;
  color: #ffffff;
  padding: 10px 16px;
  border-radius: 0 0 6px 0;
  font: 600 14px/1.2 Arial, Helvetica, sans-serif;
  text-decoration: none;
}
.skip-link:focus {
  left: 0;
}

/* Visible keyboard focus indicator (2.4.7 Focus Visible).
   :focus-visible only shows for keyboard users, not on mouse click. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible,
[role="button"]:focus-visible,
[role="link"]:focus-visible {
  outline: 3px solid #1565C0;
  outline-offset: 2px;
  border-radius: 2px;
}

/* The skip-link's programmatic focus target shouldn't draw a persistent ring. */
[tabindex="-1"]:focus {
  outline: none;
}

/* Screen-reader-only utility (visually hidden, still announced). */
.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Respect users who prefer reduced motion (2.3.3 / general best practice). */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}