/* ==========================================================================
   GR-LPB — Accessibility CSS
   Skip link, screen reader only, focus visible, reduced motion.
   WCAG 2.2 AA compliant.
   ========================================================================== */

/* --- Skip Link --------------------------------------------------------- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 9999;
  font-family: var(--wp--preset--font-family--body);
}

.skip-link:focus {
  position: fixed !important;
  top: 16px;
  left: 16px;
  width: auto;
  height: auto;
  padding: 16px 24px;
  background: var(--wp--preset--color--primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  z-index: 100000 !important;
  outline: 3px solid #FFFFFF;
  outline-offset: 2px;
}

/* --- Screen Reader Only ------------------------------------------------ */

.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: 0 !important;
}

/* Variante: visibile al focus (utile per skip link aggiuntivi) */
.sr-only-focusable:focus,
.sr-only-focusable:active {
  position: static !important;
  width: auto !important;
  height: auto !important;
  padding: inherit !important;
  margin: inherit !important;
  overflow: visible !important;
  clip: auto !important;
  white-space: normal !important;
}

/* --- Focus Visible globale --------------------------------------------- */

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

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

/* Focus su sfondo scuro */
.bg-dark :focus-visible,
.site-footer :focus-visible,
.gr-hero :focus-visible,
.gr-cta-final :focus-visible {
  outline-color: #FFFFFF;
}

/* --- 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;
  }

  .fade-up {
    opacity: 1;
    transform: none;
  }

  .gr-hero__scroll-line {
    animation: none;
  }
}

/* --- Noscript fallback: mostra .fade-up senza JS ---------------------- */

noscript + .fade-up,
.no-js .fade-up {
  opacity: 1 !important;
  transform: none !important;
}

/* --- High Contrast Mode ------------------------------------------------ */

@media (forced-colors: active) {
  .btn-primary,
  .btn-outline,
  .btn-dark {
    border: 2px solid currentColor;
  }

  .badge {
    border: 1px solid currentColor;
  }

  .site-header__toggle-bar {
    background: currentColor;
  }

  :focus-visible {
    outline: 3px solid Highlight;
  }
}