document.addEventListener('DOMContentLoaded', function() {
  // Initialize feather icons
  feather.replace();
  
  // Theme toggle functionality
  const themeToggle = document.querySelectorAll('.theme-toggle, #mobile-theme-toggle');
  themeToggle.forEach(button => {
    button.addEventListener('click', toggleTheme);
  });

  // Mobile menu toggle
  const mobileMenuButton = document.querySelector('.mobile-menu-button');
  const mobileMenu = document.querySelector('.mobile-menu');

  if (mobileMenuButton && mobileMenu) {
    mobileMenuButton.addEventListener('click', () => {
      mobileMenu.classList.toggle('show');
    });
  }

  // Smooth scrolling for anchor links
  document.querySelectorAll('a[href^="#"]').forEach(anchor => {
    anchor.addEventListener('click', function(e) {
      e.preventDefault();
      const targetId = this.getAttribute('href');
      const targetElement = document.querySelector(targetId);
      
      if (targetElement) {
        window.scrollTo({
          top: targetElement.offsetTop - 80,
          behavior: 'smooth'
        });

        // Close mobile menu if open
        if (mobileMenu && mobileMenu.classList.contains('show')) {
          mobileMenu.classList.remove('show');
        }
      }
    });
  });

  // Typewriter effect
  const typewriterElement = document.getElementById('typewriter');
  if (typewriterElement) {
    const roles = ['Cloud Architect', 'MLOps Engineer', 'AI Researcher', 'Data Scientist', 'DevSecOps Expert', 'RPA Developer'];
let roleIndex = 0;
    let charIndex = 0;
    let isDeleting = false;
    
    function typeWriter() {
      const currentRole = roles[roleIndex];
      
      if (isDeleting) {
        typewriterElement.textContent = currentRole.substring(0, charIndex - 1);
        charIndex--;
      } else {
        typewriterElement.textContent = currentRole.substring(0, charIndex + 1);
        charIndex++;
      }
      
      if (!isDeleting && charIndex === currentRole.length) {
        isDeleting = true;
        setTimeout(typeWriter, 2000);
      } else if (isDeleting && charIndex === 0) {
        isDeleting = false;
        roleIndex = (roleIndex + 1) % roles.length;
        setTimeout(typeWriter, 500);
      } else {
        setTimeout(typeWriter, isDeleting ? 50 : 150);
      }
    }
    
    setTimeout(typeWriter, 1000);
  }

  // Initialize AOS
  if (typeof AOS !== 'undefined') {
    AOS.init({
      duration: 800,
      easing: 'ease-in-out',
      once: true
    });
  }
});

function toggleTheme() {
  const html = document.documentElement;
  html.classList.toggle('dark');
  localStorage.setItem('theme', html.classList.contains('dark') ? 'dark' : 'light');
}

// Check for saved theme preference
if (localStorage.getItem('theme') === 'dark' || 
    (!localStorage.getItem('theme') && window.matchMedia('(prefers-color-scheme: dark)').matches)) {
  document.documentElement.classList.add('dark');
}