// ── Scroll hint: appears after idling at the top of the page ──
(function () {
  const hint = document.getElementById('scrollHint');
  if (!hint) return;

  const timer = setTimeout(() => {
    if (window.scrollY <= 24) hint.classList.add('visible');
  }, 3000);

  // Any scroll dismisses it for the rest of the visit
  window.addEventListener('scroll', () => {
    clearTimeout(timer);
    hint.classList.remove('visible');
  }, { passive: true, once: true });
})();