/**
 * Advanced Accessibility CSS
 * WCAG 2.1 AA Compliant Styles
 */

/* ========================================
   HIGH CONTRAST MODE
   ======================================== */

.high-contrast {
  --color-primary: #000000 !important;
  --color-primary-dark: #000000 !important;
  --color-secondary: #000000 !important;
  --color-accent: #000000 !important;
  --color-white: #FFFFFF !important;
  --color-light-gray: #FFFFFF !important;
  --color-medium-gray: #000000 !important;
  --color-dark-gray: #000000 !important;
  --color-border: #000000 !important;
  --color-error: #000000 !important;
  --color-success: #000000 !important;
}

.high-contrast body {
  background: #FFFFFF !important;
  color: #000000 !important;
  font-weight: normal;
}

.high-contrast .hero {
  background: #000000 !important;
  color: #FFFFFF !important;
}

.high-contrast .section--light {
  background: #FFFFFF !important;
  border: 2px solid #000000;
}

.high-contrast .card {
  background: #FFFFFF !important;
  border: 3px solid #000000 !important;
  box-shadow: none !important;
}

.high-contrast .card:hover {
  background: #FFFFFF !important;
  border-color: #000000 !important;
  box-shadow: none !important;
  transform: none !important;
}

.high-contrast .btn {
  background: #FFFFFF !important;
  color: #000000 !important;
  border: 3px solid #000000 !important;
  font-weight: bold !important;
  min-height: 48px !important;
  padding: 12px 24px !important;
}

.high-contrast .btn:hover,
.high-contrast .btn:focus {
  background: #000000 !important;
  color: #FFFFFF !important;
  border-color: #000000 !important;
  transform: none !important;
  box-shadow: none !important;
}

.high-contrast .form__input {
  border: 3px solid #000000 !important;
  background: #FFFFFF !important;
  color: #000000 !important;
  font-weight: normal !important;
  min-height: 48px !important;
}

.high-contrast .form__input:focus {
  border-color: #000000 !important;
  box-shadow: 0 0 0 4px #000000 !important;
  background: #FFFFFF !important;
}

.high-contrast .form__label {
  background: #FFFFFF !important;
  color: #000000 !important;
  font-weight: bold !important;
  padding: 4px 8px !important;
  border: 2px solid #000000 !important;
  margin-bottom: 8px !important;
}

.high-contrast .form__error {
  background: #FFFFFF !important;
  color: #000000 !important;
  border: 3px solid #000000 !important;
  font-weight: bold !important;
  padding: 8px !important;
}

.high-contrast .testimonial {
  background: #FFFFFF !important;
  border: 3px solid #000000 !important;
  color: #000000 !important;
}

.high-contrast .testimonial__quote {
  font-weight: normal !important;
}

.high-contrast .trust-indicator__icon {
  color: #000000 !important;
  font-size: 2rem !important;
}

.high-contrast .trust-indicator__text {
  color: #000000 !important;
  font-weight: bold !important;
}

.high-contrast .footer {
  background: #000000 !important;
  color: #FFFFFF !important;
  border-top: 4px solid #FFFFFF !important;
}

.high-contrast .footer__contact h3,
.high-contrast .footer__location h4 {
  color: #FFFFFF !important;
  text-decoration: underline !important;
}

.high-contrast .footer__links a {
  color: #FFFFFF !important;
  text-decoration: underline !important;
  font-weight: bold !important;
}

.high-contrast .footer__links a:hover,
.high-contrast .footer__links a:focus {
  background: #FFFFFF !important;
  color: #000000 !important;
  padding: 4px 8px !important;
  border-radius: 4px !important;
}

.high-contrast h1,
.high-contrast h2,
.high-contrast h3,
.high-contrast h4,
.high-contrast h5,
.high-contrast h6 {
  color: #000000 !important;
  background: #FFFFFF !important;
  padding: 8px !important;
  border: 3px solid #000000 !important;
  font-weight: bold !important;
  text-transform: uppercase !important;
}

.high-contrast p {
  font-weight: normal !important;
  line-height: 1.6 !important;
}

.high-contrast ul,
.high-contrast ol {
  padding-left: 2rem !important;
}

.high-contrast li {
  margin-bottom: 8px !important;
  font-weight: normal !important;
}

.high-contrast a {
  color: #000000 !important;
  text-decoration: underline !important;
  font-weight: bold !important;
  padding: 2px 4px !important;
  border: 2px solid transparent !important;
}

.high-contrast a:hover,
.high-contrast a:focus {
  background: #000000 !important;
  color: #FFFFFF !important;
  border-color: #000000 !important;
  text-decoration: none !important;
}

.high-contrast *:focus {
  outline: 4px solid #000000 !important;
  outline-offset: 4px !important;
}

.high-contrast .btn:focus,
.high-contrast input:focus,
.high-contrast textarea:focus,
.high-contrast select:focus {
  outline: none !important;
  box-shadow: 0 0 0 6px #000000 !important;
}

/* ========================================
   ACCESSIBILITY CONTROLS
   ======================================== */

/* Speech Controls */
.speech-controls {
  position: fixed;
  top: 100px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  max-width: 200px;
}

.speech-btn {
  background: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-primary-dark);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  cursor: pointer;
  min-height: 36px;
  transition: all var(--transition-duration) var(--transition-timing);
  font-weight: bold;
}

.speech-btn:hover,
.speech-btn:focus {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.speech-btn:active {
  transform: translateY(0);
}

/* High Contrast Speech Controls */
.high-contrast .speech-controls {
  border: 3px solid #000000;
  background: #FFFFFF;
}

.high-contrast .speech-btn {
  background: #FFFFFF;
  color: #000000;
  border: 3px solid #000000;
  font-weight: bold;
  font-size: 14px;
  min-height: 44px;
  padding: 12px 16px;
}

/* Language Controls */
.language-controls {
  position: fixed;
  top: 200px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  max-width: 150px;
}

.lang-btn {
  background: var(--color-secondary);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm);
  font-size: var(--font-size-sm);
  cursor: pointer;
  min-height: 36px;
  font-weight: bold;
  transition: all var(--transition-duration) var(--transition-timing);
}

.lang-btn:hover,
.lang-btn:focus {
  background: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.lang-btn[aria-pressed="true"] {
  background: var(--color-primary-dark);
  color: var(--color-white);
  font-weight: bold;
}

/* High Contrast Language Controls */
.high-contrast .language-controls {
  border: 3px solid #000000;
  background: #FFFFFF;
}

.high-contrast .lang-btn {
  background: #FFFFFF;
  color: #000000;
  border: 3px solid #000000;
  font-weight: bold;
  min-height: 44px;
  font-size: 16px;
}



/* ========================================
   ACCESSIBILITY UTILITIES
   ======================================== */

/* Enhanced Screen Reader Only */
.sr-only,
.sr-only-focusable:active,
.sr-only-focusable:focus {
  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: 0 !important;
  font-weight: bold !important;
  font-size: 16px !important;
  line-height: 1.4 !important;
}

/* High Contrast Screen Reader Only */
.high-contrast .sr-only,
.high-contrast .sr-only-focusable:active,
.high-contrast .sr-only-focusable:focus {
  position: static !important;
  width: auto !important;
  height: auto !important;
  padding: 8px 16px !important;
  margin: 8px 0 !important;
  overflow: visible !important;
  clip: auto !important;
  white-space: normal !important;
  border: 3px solid #000000 !important;
  background: #FFFFFF !important;
  color: #000000 !important;
  font-weight: bold !important;
  display: block !important;
}

/* Skip Links Enhancement */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  border-radius: var(--border-radius);
  z-index: 1000;
  font-weight: var(--font-weight-semibold);
  transition: top var(--transition-duration) var(--transition-timing);
  border: 2px solid var(--color-primary-dark);
  font-size: var(--font-size-base);
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skip-link:focus {
  top: 6px;
  outline: 3px solid var(--color-white);
  outline-offset: 2px;
}

.skip-link:hover {
  background: var(--color-primary-dark);
}

/* High Contrast Skip Links */
.high-contrast .skip-link {
  background: #FFFFFF !important;
  color: #000000 !important;
  border: 4px solid #000000 !important;
  font-weight: bold !important;
  font-size: 16px !important;
  padding: 12px 20px !important;
  min-height: 52px !important;
}

.high-contrast .skip-link:focus {
  top: 10px !important;
  outline: 4px solid #000000 !important;
  outline-offset: 4px !important;
  background: #000000 !important;
  color: #FFFFFF !important;
}

/* ========================================
   FOCUS MANAGEMENT
   ======================================== */

/* Enhanced Focus Indicators */
*:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  transition: outline var(--transition-duration) var(--transition-timing);
}

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

*:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* High Contrast Focus Indicators */
.high-contrast *:focus {
  outline: 4px solid #000000 !important;
  outline-offset: 4px !important;
}

.high-contrast *:focus-visible {
  outline: 4px solid #000000 !important;
  outline-offset: 4px !important;
}

/* Remove focus outline for mouse users */
.js-focus-visible :focus:not(.focus-visible) {
  outline: none;
}

/* Focus trap visual indicator */
.focus-trap-active {
  position: relative;
}

.focus-trap-active::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 2px dashed var(--color-primary);
  border-radius: calc(var(--border-radius) + 4px);
  pointer-events: none;
  z-index: 9999;
}

.high-contrast .focus-trap-active::before {
  border: 4px dashed #000000;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
}

/* ========================================
   RESPONSIVE ACCESSIBILITY
   ======================================== */

/* Mobile Accessibility Enhancements */
@media (max-width: 767px) {
  .speech-controls,
  .language-controls {
    position: fixed;
    top: auto;
    bottom: 20px;
    right: 20px;
    left: auto;
    max-width: calc(100vw - 40px);
    flex-direction: row;
    flex-wrap: wrap;
  }

  .speech-btn,
  .lang-btn {
    flex: 1;
    min-width: 44px;
    font-size: 14px;
  }



  .skip-link {
    left: 10px;
    font-size: 14px;
    padding: 10px 16px;
    min-height: 48px;
  }

  .high-contrast .skip-link {
    font-size: 18px;
    padding: 14px 24px;
    min-height: 56px;
  }
}

/* Tablet Accessibility */
@media (min-width: 768px) and (max-width: 1023px) {
  .speech-controls {
    top: 120px;
    max-width: 180px;
  }

  .language-controls {
    top: 220px;
    max-width: 120px;
  }
}

/* ========================================
   PRINT ACCESSIBILITY
   ======================================== */

@media print {
  .speech-controls,
  .language-controls,
  .skip-link {
    display: none !important;
  }

  .high-contrast {
    background: white !important;
    color: black !important;
  }

  .high-contrast * {
    background: transparent !important;
    color: black !important;
    border-color: black !important;
  }
}

/* ========================================
   REDUCED MOTION SUPPORT
   ======================================== */

@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;
  }

  .card:hover {
    transform: none !important;
  }

  .btn:hover,
  .btn:focus {
    transform: none !important;
  }

  .speech-btn:hover,
  .speech-btn:focus {
    transform: none !important;
  }

  .lang-btn:hover,
  .lang-btn:focus {
    transform: none !important;
  }
}

/* ========================================
   RTL LANGUAGE SUPPORT
   ======================================== */

[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] .container {
  direction: rtl;
}

[dir="rtl"] .grid {
  direction: rtl;
}

[dir="rtl"] .header__container {
  flex-direction: row-reverse;
}

[dir="rtl"] .hero__container {
  direction: rtl;
}

[dir="rtl"] .form__group {
  direction: rtl;
}

[dir="rtl"] .nav-list {
  flex-direction: row-reverse;
}

[dir="rtl"] .footer__content {
  direction: rtl;
}

[dir="rtl"] .trust-indicators {
  flex-direction: row-reverse;
}

[dir="rtl"] .speech-controls {
  right: auto;
  left: 20px;
}

[dir="rtl"] .language-controls {
  right: auto;
  left: 20px;
}


[dir="rtl"] .skip-link {
  right: 6px;
  left: auto;
}

/* High Contrast RTL Support */
.high-contrast[dir="rtl"] .speech-controls,
.high-contrast[dir="rtl"] .language-controls {
  left: 20px;
  right: auto;
}


.high-contrast[dir="rtl"] .skip-link {
  right: auto;
  left: 10px;
}

/* Mobile RTL Support */
@media (max-width: 767px) {
  [dir="rtl"] .speech-controls,
  [dir="rtl"] .language-controls {
    right: auto;
    left: 20px;
  }


  [dir="rtl"] .skip-link {
    right: auto;
    left: 10px;
  }

  .high-contrast[dir="rtl"] .skip-link {
    left: 10px;
  }
}

/* ========================================
   HIGH CONTRAST MEDIA QUERY
   ======================================== */

@media (prefers-contrast: high) {
  :root {
    --color-primary: #000000;
    --color-primary-dark: #000000;
    --color-secondary: #000000;
    --color-accent: #000000;
    --color-white: #FFFFFF;
    --color-light-gray: #FFFFFF;
    --color-medium-gray: #000000;
    --color-dark-gray: #000000;
    --color-border: #000000;
  }

  body {
    font-weight: normal;
  }

  .btn,
  .form__input,
  .card,
  .speech-btn,
  .lang-btn {
    border-width: 3px;
  }

  *:focus {
    outline-width: 4px;
  }
}