/* Footer — copyright + back to top. */
function Footer() {
  return (
    <footer className="footer">
      <div className="shell footer-in">
        <span className="c">© 2026 Luiz Fernando · React + CSS Puro</span>
        <a className="top" href="#top">Voltar ao topo ↑</a>
      </div>
    </footer>
  );
}

window.Footer = Footer;