/* ============================================
   ISIT-Neperis Accessibility Utilities - RGAA 4.1.2
   ============================================ */

/* Screen Reader Only - Hide visually but keep accessible to screen readers */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border-width: 0 !important;
}

.sr-only-focusable:active,
.sr-only-focusable:focus {
  position: static !important;
  width: auto !important;
  height: auto !important;
  overflow: visible !important;
  clip: auto !important;
  white-space: normal !important;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 12px 16px;
  text-decoration: none;
  font-weight: 600;
  z-index: 9999;
  border-radius: 0 0 4px 0;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid #0e7490;
  outline-offset: 2px;
}

/* Enhanced Focus Styles */
*:focus {
  outline: 3px solid #0e7490;
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

*:focus-visible {
  outline: 3px solid #0e7490;
  outline-offset: 2px;
}

a:focus,
button:focus {
  outline: 3px solid #0e7490;
  outline-offset: 2px;
}

/* Reduced Motion */
@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;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  * {
    border-color: currentColor !important;
  }

  a {
    text-decoration: underline !important;
  }

  .btn,
  button {
    border: 2px solid currentColor !important;
  }
}

/* ARIA Live Region for Announcements */
#aria-live-region {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Accessibility Badge in Footer */
.a11y-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-gray-100, #f3f4f6);
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--color-gray-700, #374151);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.a11y-badge:hover {
  background: var(--color-gray-200, #e5e7eb);
}

.a11y-badge:focus {
  outline: 3px solid #0e7490;
  outline-offset: 2px;
}

/* Error Messages for Forms */
.error-message {
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: block;
}

.form-control[aria-invalid="true"],
input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: #dc2626 !important;
}

/* Required Field Indicator */
.required-indicator {
  color: #dc2626;
  font-weight: bold;
}

/* Form Hints */
.form-hint {
  color: #6b7280;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: block;
}

/* Accessibility Statement Page Styles */
.accessibility-statement {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.accessibility-statement h1 {
  margin-bottom: 1.5rem;
}

.accessibility-statement h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 0.5rem;
}

.accessibility-statement h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.accessibility-statement ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.accessibility-statement li {
  margin-bottom: 0.5rem;
}

/* Sitemap Page Styles */
.sitemap-nav {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.sitemap-nav > ul {
  list-style: none;
  padding: 0;
}

.sitemap-nav > ul > li {
  margin-bottom: 1.5rem;
}

.sitemap-nav > ul > li > strong {
  display: block;
  font-size: 1.125rem;
  color: var(--color-primary, #0066CC);
  margin-bottom: 0.5rem;
}

.sitemap-nav > ul > li > ul {
  list-style: none;
  padding-left: 1.5rem;
  border-left: 2px solid #e5e7eb;
}

.sitemap-nav > ul > li > ul > li {
  margin-bottom: 0.5rem;
}

.sitemap-nav a {
  color: var(--color-gray-700, #374151);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sitemap-nav a:hover {
  color: var(--color-primary, #0066CC);
  text-decoration: underline;
}

.sitemap-nav a:focus {
  outline: 3px solid #0e7490;
  outline-offset: 2px;
}