(function() {
  'use strict';

  // Respect reduced motion preference
  const prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;

  // Cursor glow effect (only on devices with fine pointer)
  const cursorGlow = document.querySelector('.cursor-glow');
  const hasFinePointer = window.matchMedia('(pointer: fine)').matches;
  
  if (cursorGlow && !prefersReducedMotion && hasFinePointer) {
    let mouseX = 0, mouseY = 0;
    let glowX = 0, glowY = 0;
    let rafId = null;
    
    document.addEventListener('mousemove', (e) => {
      mouseX = e.clientX;
      mouseY = e.clientY;
    });
    
    function animateCursor() {
      glowX += (mouseX - glowX) * 0.1;
      glowY += (mouseY - glowY) * 0.1;
      cursorGlow.style.left = glowX + 'px';
      cursorGlow.style.top = glowY + 'px';
      rafId = requestAnimationFrame(animateCursor);
    }
    animateCursor();
    
    // Cleanup on page hide
    document.addEventListener('visibilitychange', () => {
      if (document.hidden && rafId) {
        cancelAnimationFrame(rafId);
      } else if (!document.hidden) {
        animateCursor();
      }
    });
  }

  // Header scroll effect
  const header = document.querySelector('.site-header');
  let ticking = false;
  
  function handleScroll() {
    if (!ticking) {
      requestAnimationFrame(() => {
        const currentScrollY = window.scrollY;
        
        if (currentScrollY > 50) {
          header.classList.add('scrolled');
        } else {
          header.classList.remove('scrolled');
        }
        ticking = false;
      });
      ticking = true;
    }
  }
  
  window.addEventListener('scroll', handleScroll, { passive: true });

  // Mobile navigation
  const navToggle = document.querySelector('.nav-toggle');
  const navLinks = document.querySelector('.nav-links');
  
  if (navToggle && navLinks) {
    navToggle.addEventListener('click', () => {
      const isExpanded = navToggle.getAttribute('aria-expanded') === 'true';
      navToggle.setAttribute('aria-expanded', !isExpanded);
      navLinks.classList.toggle('active');
      document.body.style.overflow = isExpanded ? '' : 'hidden';
      
      // Update label
      navToggle.setAttribute('aria-label', isExpanded ? 'פתיחת תפריט ניווט' : 'סגירת תפריט ניווט');
    });
    
    navLinks.querySelectorAll('a').forEach(link => {
      link.addEventListener('click', () => {
        navToggle.setAttribute('aria-expanded', 'false');
        navToggle.setAttribute('aria-label', 'פתיחת תפריט ניווט');
        navLinks.classList.remove('active');
        document.body.style.overflow = '';
      });
    });
    
    // Close on escape
    document.addEventListener('keydown', (e) => {
      if (e.key === 'Escape' && navLinks.classList.contains('active')) {
        navToggle.setAttribute('aria-expanded', 'false');
        navToggle.setAttribute('aria-label', 'פתיחת תפריט ניווט');
        navLinks.classList.remove('active');
        document.body.style.overflow = '';
        navToggle.focus();
      }
    });
  }

  // Reveal on scroll
  const revealElements = document.querySelectorAll('.reveal');
  
  if (!prefersReducedMotion && revealElements.length > 0) {
    const observerOptions = {
      root: null,
      rootMargin: '0px 0px -80px 0px',
      threshold: 0.1
    };
    
    const revealObserver = new IntersectionObserver((entries) => {
      entries.forEach((entry) => {
        if (entry.isIntersecting) {
          entry.target.classList.add('visible');
          revealObserver.unobserve(entry.target);
        }
      });
    }, observerOptions);
    
    revealElements.forEach(el => revealObserver.observe(el));
  } else {
    revealElements.forEach(el => el.classList.add('visible'));
  }

  // Form submission
  const contactForm = document.querySelector('.contact-form');
  
  if (contactForm) {
    contactForm.addEventListener('submit', (e) => {
      e.preventDefault();
      
      const btn = contactForm.querySelector('.btn');
      const btnText = btn.querySelector('span');
      const originalText = btnText.textContent;
      
      // Basic validation
      const name = contactForm.querySelector('#name');
      const email = contactForm.querySelector('#email');
      
      if (!name.value.trim() || !email.value.trim()) {
        return;
      }
      
      // Disable button
      btn.disabled = true;
      btnText.textContent = 'שולח...';
      
      // Simulate send (replace with actual form handling)
      setTimeout(() => {
        btnText.textContent = 'נשלח בהצלחה! ✓';
        btn.style.background = 'linear-gradient(135deg, #00b894 0%, #55efc4 100%)';
        
        setTimeout(() => {
          btnText.textContent = originalText;
          btn.style.background = '';
          btn.disabled = false;
          contactForm.reset();
        }, 3000);
      }, 1000);
    });
  }

  // Smooth scroll for anchor links
  document.querySelectorAll('a[href^="#"]').forEach(anchor => {
    anchor.addEventListener('click', (e) => {
      const href = anchor.getAttribute('href');
      if (href === '#') return;
      
      const target = document.querySelector(href);
      if (target) {
        e.preventDefault();
        target.scrollIntoView({
          behavior: prefersReducedMotion ? 'auto' : 'smooth'
        });
        
        // Set focus for accessibility
        target.setAttribute('tabindex', '-1');
        target.focus({ preventScroll: true });
      }
    });
  });

})();