(function() { var overlay = document.getElementById('flerModalOverlay'); var openBtn = document.getElementById('flerOpenModal'); var closeBtn = document.getElementById('flerModalClose'); if (openBtn) openBtn.addEventListener('click', function() { overlay.classList.add('is-open'); }); if (closeBtn) closeBtn.addEventListener('click', function() { overlay.classList.remove('is-open'); }); if (overlay) overlay.addEventListener('click', function(e) { if (e.target === this) this.classList.remove('is-open'); }); })();