const toggle=document.querySelector('.menu-toggle');const navigation=document.querySelector('#navigation');if(toggle&&navigation){toggle.addEventListener('click',()=>{const open=toggle.getAttribute('aria-expanded')!=='true';toggle.setAttribute('aria-expanded',String(open));toggle.setAttribute('aria-label',open?'Close menu':'Open menu');navigation.classList.toggle('open',open);});document.addEventListener('keydown',event=>{if(event.key==='Escape'){toggle.setAttribute('aria-expanded','false');toggle.setAttribute('aria-label','Open menu');navigation.classList.remove('open');}});}