const toggle=document.querySelector('.menu-toggle');const nav=document.querySelector('.nav-links');toggle?.addEventListener('click',()=>{nav.classList.toggle('open');toggle.setAttribute('aria-expanded',nav.classList.contains('open'))});document.querySelectorAll('.nav-links a').forEach(a=>a.addEventListener('click',()=>nav.classList.remove('open')));const observer=new IntersectionObserver(entries=>entries.forEach(e=>{if(e.isIntersecting)e.target.classList.add('visible')}),{threshold:.12});document.querySelectorAll('.reveal').forEach(el=>observer.observe(el));document.getElementById('analyseBtn')?.addEventListener('click',()=>{const card=document.getElementById('analysisCard');card.classList.remove('pulse');void card.offsetWidth;card.classList.add('pulse');setTimeout(()=>card.classList.remove('pulse'),900)});