/**
 * Accessibilité : WCAG 2.1 AA
 * Focus visible, skip link, contrastes, cibles tactiles, lecteurs d'écran.
 */

.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100000;
  padding: 12px 20px;
  background: var(--navy, #0f172a);
  color: #fff !important;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 0 0 12px 0;
  transform: translateY(-120%);
  transition: transform 0.2s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline: 3px solid #fbbf24;
  outline-offset: 2px;
}

.sr-only,
.visually-hidden {
  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;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 3px solid var(--primary, #6665dd);
  outline-offset: 2px;
  border-radius: 4px;
}

a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--primary, #6665dd);
  outline-offset: 2px;
}

.btn:focus-visible,
.landing-menu__row:focus-visible {
  outline: 3px solid var(--primary-dark, #5549b9);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(102, 101, 221, 0.25);
}

:root {
  --text-muted: #475569;
}

@media (pointer: coarse) {
  .btn,
  .nav__toggle,
  .landing-menu__close,
  .landing-menu__row,
  .nav__auth a,
  .mobile-bottom-nav a,
  .lang-switcher__select,
  .nav-back {
    min-height: 44px;
    min-width: 44px;
  }

  .landing-menu__row {
    display: flex;
    align-items: center;
    padding-top: 12px;
    padding-bottom: 12px;
  }
}

@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;
  }
}

html.reduce-motion *,
html.reduce-motion *::before,
html.reduce-motion *::after {
  animation: none !important;
  transition: none !important;
  scroll-behavior: auto !important;
}

#main-content:focus {
  outline: none;
}

#main-content:focus-visible {
  outline: 2px dashed var(--primary, #6665dd);
  outline-offset: 4px;
}

[aria-invalid="true"] {
  border-color: var(--danger, #dc2626) !important;
  box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.2);
}

body.landing-menu-open {
  overflow: hidden;
}

main a:not(.btn):not(.brand):not(.landing-menu__row):not(.acces-card),
.auth-page a:not(.btn):not(.brand),
.legal-page__body a:not(.btn) {
  text-decoration: underline;
  text-underline-offset: 3px;
}

main a:not(.btn):hover,
.auth-page a:not(.btn):hover {
  color: var(--primary-dark, #5549b9);
}

@media (prefers-contrast: more) {
  :root {
    --border: #334155;
    --text-muted: #334155;
  }

  .btn--ghost {
    border-width: 2px;
  }
}

a.acces-card:focus-visible {
  outline: 3px solid var(--primary, #6665dd);
  outline-offset: 3px;
}