// DSS Industria — Sticky Navbar with scroll-spy const { useState, useEffect, useRef } = React; function DSSNav() { const [scrolled, setScrolled] = useState(false); const [activeSection, setActiveSection] = useState(''); const [mobileOpen, setMobileOpen] = useState(false); const d = window.DSS; useEffect(() => { const onScroll = () => { setScrolled(window.scrollY > 40); const sections = d.nav.links.map(l => l.id); let current = ''; for (const id of sections) { const el = document.getElementById(id); if (el && el.getBoundingClientRect().top <= 100) current = id; } setActiveSection(current); }; window.addEventListener('scroll', onScroll, { passive: true }); return () => window.removeEventListener('scroll', onScroll); }, []); const scrollTo = (id) => { setMobileOpen(false); const el = document.getElementById(id); if (el) window.scrollTo({ top: el.offsetTop - 72, behavior: 'smooth' }); }; return ( ); } Object.assign(window, { DSSNav });