class IndustrialHeader extends HTMLElement { constructor() { super(); this.attachShadow({ mode: 'open' }); } connectedCallback() { this.render(); this.setupMobileMenu(); } render() { this.shadowRoot.innerHTML = `
`; } setupMobileMenu() { const toggle = this.shadowRoot.querySelector('.mobile-menu-toggle'); const navLinks = this.shadowRoot.querySelector('.nav-links'); toggle.addEventListener('click', () => { navLinks.classList.toggle('open'); }); // Close menu when clicking a link navLinks.addEventListener('click', (e) => { if (e.target.tagName === 'A') { navLinks.classList.remove('open'); } }); } } customElements.define('industrial-header', IndustrialHeader);