script.js

// Mobile menu toggle
const mobileMenu = document.getElementById("mobile-menu");
const navLinks = document.querySelector(".nav-links");

mobileMenu.addEventListener("click", () => {
  navLinks.classList.toggle("active");
});

// Scroll spy
const sections = document.querySelectorAll("section, footer");
const links = document.querySelectorAll(".nav-link");

window.addEventListener("scroll", () => {
  let current = "";
  const scrollY = window.scrollY;

  sections.forEach(section => {
    const sectionTop = section.offsetTop - 70;
    const sectionHeight = section.clientHeight;

    if (scrollY >= sectionTop && scrollY < sectionTop + sectionHeight) {
      current = section.getAttribute("id");
    }
  });

  links.forEach(link => {
    link.classList.remove("active");
    if (link.getAttribute("href") === `#${current}`) {
      link.classList.add("active");
    }
  });
});