/* Shared accessibility: focus, skip link, motion, helpers. */

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute !important;
  left: 12px !important;
  top: 12px !important;
  z-index: 400 !important;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  font: 600 0.95rem/1.3 system-ui, sans-serif !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
  text-decoration: none;
  color: #111 !important;
  background: #ffd400 !important;
  border: 0;
}

.skip:focus,
.skip:focus-visible {
  width: auto !important;
  height: auto !important;
  overflow: visible !important;
  clip: auto !important;
  clip-path: none !important;
  padding: 0.7rem 1.1rem !important;
  outline: 3px solid #111 !important;
  outline-offset: 3px;
  box-shadow: none !important;
}

:focus-visible {
  outline: 3px solid #111;
  outline-offset: 3px;
  box-shadow: 0 0 0 6px #ffd400;
}

/* Landmark skip target — don't draw a page-sized ring. */
#main:focus,
#main:focus-visible {
  outline: none;
  box-shadow: none;
}

@media (forced-colors: active) {
  :focus-visible {
    outline: 3px solid Highlight;
    box-shadow: none;
  }
}

body.nav-open { overflow: hidden; }

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