/* ============================================================
   AURORA — Accessibility
   Focus rings, reduced motion, contrast, screen reader
   ============================================================ */

/* ---- FOCUS VISIBLE ---- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

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

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

.card--interactive:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.nav__link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.input:focus-visible {
  outline: none;
  border: 2px solid var(--color-primary);
}

/* ---- REDUCED MOTION ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 200ms !important;
    scroll-behavior: auto !important;
  }

  /* Cross-fade instead of snap: keep opacity transitions, remove transforms */
  .reveal, .section-enter {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: opacity 200ms ease !important;
  }

  .text-reveal__word {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    animation: none !important;
    transition: opacity 200ms ease !important;
  }

  .text-gradient { animation: none !important; }
  .skeleton { animation: none !important; }
  .hero__scroll-icon { animation: none !important; }
  .hero__badge-dot { animation: none !important; }

  /* Modal/sheet transitions: cross-fade, no slide/scale */
  .intake-overlay { transition: opacity 200ms ease !important; }
  .intake-modal { transform: none !important; transition: opacity 200ms ease !important; }
  .intake-stage { animation: none !important; transition: opacity 200ms ease !important; }
}

/* ---- REDUCED TRANSPARENCY ---- */
@media (prefers-reduced-transparency: reduce) {
  :root {
    --glass-blur: 0px;
    --glass-saturation: 100%;
  }

  [data-theme="dark"] {
    --bg-surface: var(--color-warm-gray-900);
    --bg-surface-elevated: var(--color-warm-gray-800);
    --bg-surface-soft: var(--color-warm-gray-900);
  }

  :root {
    --bg-surface: var(--color-warm-white);
    --bg-surface-elevated: #ffffff;
    --bg-surface-soft: var(--color-warm-gray-50);
  }

  /* Disable all backdrop-filter, use solid backgrounds */
  *, *::before, *::after {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .nav, .nav__pill, .card, .modal, .cookie-banner, .intake-modal,
  .admin-sidebar, .admin-card, .toolbar, .hero__badge, .pill {
    background: var(--bg-surface-elevated) !important;
  }

  /* Ensure text remains legible on now-solid surfaces */
  [data-theme="dark"] .nav,
  [data-theme="dark"] .card,
  [data-theme="dark"] .modal,
  [data-theme="dark"] .intake-modal {
    background: var(--color-warm-gray-800) !important;
  }
}

/* ---- HIGH CONTRAST ---- */
@media (prefers-contrast: more) {
  :root {
    --border-hairline: rgba(10, 14, 26, 0.30);
    --border-hairline-strong: rgba(10, 14, 26, 0.50);
    --text-secondary: #1a1a22;
    --text-tertiary: #3d3d48;
  }

  [data-theme="dark"] {
    --border-hairline: rgba(255, 255, 255, 0.25);
    --border-hairline-strong: rgba(255, 255, 255, 0.40);
    --text-secondary: #e8e8ec;
    --text-tertiary: #d1d1d8;
  }

  .card { border-width: 2px; }
  .btn--secondary { border-width: 2px; }
  .btn { border-width: 2px; }
  .input { border-width: 2px; }

  /* Boost contrast on translucent surfaces */
  .nav__pill, .card, .modal {
    background: var(--bg-surface-elevated) !important;
    backdrop-filter: none !important;
  }
}

/* ---- SCREEN READER ---- */
.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;
}

.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* ---- SKIP LINK ---- */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: 0 0 var(--radius-md) 0;
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  z-index: var(--z-tooltip);
  transition: top var(--duration-fast) var(--ease-standard);
}

.skip-link:focus { top: 0; }

/* ---- TOUCH TARGET ---- */
@media (max-width: 767px) {
  .btn { min-height: 44px; }
  .nav__link {
    padding: var(--space-sm) var(--space-xs);
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  .theme-toggle { min-width: 44px; min-height: 44px; }
}

/* ---- FORCED COLORS (Windows High Contrast mode) ---- */
@media (forced-colors: active) {
  .btn, .card, .nav__pill, .modal, .intake-modal, .cookie-banner,
  .input, .intake-field input, .intake-field select, .intake-field textarea {
    border: 1px solid ButtonText !important;
    background: Canvas !important;
    color: CanvasText !important;
  }

  .btn--primary {
    background: Highlight !important;
    color: HighlightText !important;
    border-color: Highlight !important;
  }

  .text-gradient, .text-gradient-static {
    background: none !important;
    -webkit-text-fill-color: CanvasText !important;
    color: CanvasText !important;
  }

  .svg-icon, svg {
    color: CanvasText !important;
  }

  :focus-visible {
    outline: 2px solid Highlight !important;
    outline-offset: 2px !important;
  }
}