// ── Mobile burger ──────────────────────────────────────────────
(function () {
  const burger    = document.getElementById('burger');
  const navLinks  = document.getElementById('navLinks');
  const header    = document.getElementById('header');
  if (!burger || !navLinks || !header) return;
  burger.addEventListener('click', () => {
    burger.classList.toggle('open');
    navLinks.classList.toggle('open');
    header.classList.toggle('scrolled', burger.classList.contains('open') || window.scrollY > 24);
  });
  navLinks.querySelectorAll('a').forEach(a => {
    a.addEventListener('click', () => {
      burger.classList.remove('open');
      navLinks.classList.remove('open');
      header.classList.toggle('scrolled', window.scrollY > 24);
    });
  });
})();