// === SHARED NAV + FOOTER (multi-page) ===
const { useState: useSh, useEffect: useShE } = React;

function SiteNav({ current = 'home' }) {
  const [scrolled, setScrolled] = useSh(false);
  useShE(() => {
    const on = () => setScrolled(window.scrollY > 20);
    window.addEventListener('scroll', on, { passive: true });
    return () => window.removeEventListener('scroll', on);
  }, []);
  const links = [
    { k: 'sobre',    href: 'sobre.html',    label: 'Sobre' },
    { k: 'metodo',   href: 'metodo.html',   label: 'Método' },
    { k: 'servicos', href: 'servicos.html', label: 'Serviços' },
    { k: 'cases',    href: 'cases.html',    label: 'Cases' },
    { k: 'blog',     href: 'blog.html',     label: 'Blog' },
  ];
  return (
    <nav className={`nav ${scrolled ? 'on-scroll' : ''}`}>
      <a href="index.html" className="nav-logo">
        <span className="nav-logo-mark"></span>
        <span>ThinkProcess</span>
      </a>
      <div className="nav-links">
        {links.map(l => (
          <a key={l.k} href={l.href} className={current === l.k ? 'current' : ''}>{l.label}</a>
        ))}
      </div>
      <a href="contato.html" className="nav-cta">Fale conosco →</a>
    </nav>
  );
}

function SiteFooter() {
  return (
    <footer className="footer">
      <div className="container">
        <div className="footer-hero">
          <div className="footer-brand serif">
            Think<em>Process</em>.
          </div>
          <div className="footer-tag mono">
            CONSULTORIA OPERACIONAL · PORTO ALEGRE · RS
          </div>
        </div>

        <div className="footer-cols">
          <div>
            <h4 className="mono">Navegação</h4>
            <a href="sobre.html">Sobre</a>
            <a href="metodo.html">Método</a>
            <a href="servicos.html">Serviços</a>
            <a href="cases.html">Cases</a>
          </div>
          <div>
            <h4 className="mono">Conteúdo</h4>
            <a href="blog.html">Blog</a>
            <a href="contato.html">Contato</a>
          </div>
          <div>
            <h4 className="mono">Contato</h4>
            <a href="mailto:contato@thinkprocess.com.br">contato@thinkprocess.com.br</a>
            <a href="https://wa.me/5551991173647" target="_blank" rel="noopener" style={{display:'flex',alignItems:'center',gap:8}}>
              <svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true" style={{flexShrink:0}}>
                <path d="M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.52-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372s-1.04 1.016-1.04 2.479 1.065 2.876 1.213 3.074c.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893A11.821 11.821 0 0020.464 3.488"/>
              </svg>
              WhatsApp
            </a>
            <a href="tel:+5551991173647">+55 (51) 99117-3647</a>
          </div>
          <div>
            <h4 className="mono">Local</h4>
            <a href="#" onClick={e=>e.preventDefault()} style={{cursor:'default'}}>Porto Alegre · RS</a>
          </div>
        </div>

        <div className="footer-bottom">
          <span>© 2026 THINKPROCESS</span>
          <span>FEITO COM MÉTODO</span>
        </div>
      </div>
    </footer>
  );
}

/* Simple page hero for internal pages */
function PageHero({ eyebrow, title, lead, children }) {
  return (
    <section className="page-hero">
      <div className="container">
        <div className="eyebrow">{eyebrow}</div>
        <h1 className="serif page-hero-title" dangerouslySetInnerHTML={{__html: title}} />
        {lead && <p className="page-hero-lead">{lead}</p>}
        {children}
      </div>
    </section>
  );
}

window.SiteNav = SiteNav;
window.SiteFooter = SiteFooter;
window.PageHero = PageHero;
