(function() {
  'use strict';

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

  // Reveal on scroll
  function initReveal() {
    const reveals = document.querySelectorAll('.reveal');
    
    if (prefersReducedMotion) {
      reveals.forEach(el => el.classList.add('revealed'));
      return;
    }

    const observer = new IntersectionObserver((entries) => {
      entries.forEach(entry => {
        if (entry.isIntersecting) {
          entry.target.classList.add('revealed');
          observer.unobserve(entry.target);
        }
      });
    }, {
      threshold: 0.1,
      rootMargin: '0px 0px -50px 0px'
    });

    reveals.forEach(el => observer.observe(el));
  }

  // Smooth scroll for anchor links
  function initSmoothScroll() {
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
      anchor.addEventListener('click', function(e) {
        const targetId = this.getAttribute('href');
        if (targetId === '#') return;
        
        const target = document.querySelector(targetId);
        if (target) {
          e.preventDefault();
          const headerHeight = document.querySelector('.site-header').offsetHeight;
          const targetPosition = target.getBoundingClientRect().top + window.pageYOffset - headerHeight;
          
          window.scrollTo({
            top: targetPosition,
            behavior: prefersReducedMotion ? 'auto' : 'smooth'
          });
        }
      });
    });
  }

  // Header background on scroll
  function initHeaderScroll() {
    const header = document.querySelector('.site-header');

    window.addEventListener('scroll', () => {
      const currentScroll = window.pageYOffset;
      
      if (currentScroll > 100) {
        header.style.boxShadow = '0 2px 20px rgba(42, 37, 32, 0.08)';
      } else {
        header.style.boxShadow = 'none';
      }
    }, { passive: true });
  }

  // Form handling
  function initForm() {
    const form = document.getElementById('contactForm');
    if (!form) return;

    form.addEventListener('submit', function(e) {
      e.preventDefault();
      
      const formData = new FormData(form);
      const data = Object.fromEntries(formData);
      
      // Visual feedback
      const button = form.querySelector('.btn-submit');
      const originalText = button.textContent;
      button.textContent = 'נשלח בהצלחה! ✓';
      button.style.background = '#4a9d5a';
      button.disabled = true;
      
      // Reset form
      setTimeout(() => {
        form.reset();
        button.textContent = originalText;
        button.style.background = '';
        button.disabled = false;
      }, 3000);

      // Log for demo purposes
      console.log('Form submitted:', data);
    });
  }

  // Gallery item keyboard interaction
  function initGallery() {
    const galleryItems = document.querySelectorAll('.gallery-item');
    
    galleryItems.forEach(item => {
      item.addEventListener('keydown', (e) => {
        if (e.key === 'Enter' || e.key === ' ') {
          e.preventDefault();
          // Toggle expanded state for screen readers
          const isExpanded = item.getAttribute('aria-expanded') === 'true';
          item.setAttribute('aria-expanded', !isExpanded);
        }
      });
    });
  }

  // Initialize all functions when DOM is ready
  document.addEventListener('DOMContentLoaded', () => {
    initReveal();
    initSmoothScroll();
    initHeaderScroll();
    initForm();
    initGallery();
  });
})();