// app.jsx — root component + mount
function TopBar() {
return (
);
}
function App() {
// intersection observer for fade-in
useEffect(() => {
const els = document.querySelectorAll('.fade-in');
const io = new IntersectionObserver((entries) => {
entries.forEach(e => {
if (e.isIntersecting) e.target.classList.add('in');
});
}, { threshold: 0.12 });
els.forEach(el => io.observe(el));
return () => io.disconnect();
}, []);
return (
<>
);
}
ReactDOM.createRoot(document.getElementById('root')).render();