/* ============================================================
   UTILITIES.CSS — Helper classes & states
   Load order: 4 of 4
   ============================================================ */

/* ── Screen reader only ──────────────────────────────────── */

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

/* ── Body scroll lock (applied by modal.js) ──────────────── */

body.scroll-locked {
  overflow: hidden;
  /* Prevent layout shift when scrollbar disappears */
  padding-right: var(--scrollbar-width, 0px);
}

/* ── Lazy load — entrance animation states ───────────────── */

/* Show content when JS has not bootstrapped yet (failed module load, etc.) */
html:not(.js) .lazy {
  opacity: 1;
  transform: none;
}

.lazy {
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity   0.5s ease,
    transform 0.5s ease;
}

.lazy.loaded {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .lazy,
  .lazy.loaded {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* ── Nav open state (body) ───────────────────────────────── */

body.nav-open {
  overflow: hidden;
}

/* ── Text helpers ────────────────────────────────────────── */

.text-center { text-align: center; }
.text-muted  { color: var(--color-ink-400); }