(function() {
  'use strict';

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

  // Reveal on scroll
  function initRevealOnScroll() {
    if (prefersReducedMotion) {
      // If reduced motion is preferred, show all elements immediately
      document.querySelectorAll('.reveal').forEach(el => {
        el.classList.add('revealed');
      });
      return;
    }

    const revealElements = document.querySelectorAll('.reveal');
    
    const observerOptions = {
      root: null,
      rootMargin: '0px 0px -10% 0px',
      threshold: 0.1
    };

    const observer = new IntersectionObserver((entries) => {
      entries.forEach(entry => {
        if (entry.isIntersecting) {
          entry.target.classList.add('revealed');
          observer.unobserve(entry.target);
        }
      });
    }, observerOptions);

    revealElements.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 targetElement = document.querySelector(targetId);
        if (!targetElement) return;
        
        e.preventDefault();
        
        targetElement.scrollIntoView({
          behavior: prefersReducedMotion ? 'auto' : 'smooth',
          block: 'start'
        });
        
        // Update focus for accessibility
        targetElement.setAttribute('tabindex', '-1');
        targetElement.focus();
      });
    });
  }

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

    let ticking = false;

    function updateHeader() {
      const scrollY = window.scrollY;
      
      if (scrollY > 100) {
        header.style.background = 'rgba(245, 240, 232, 0.95)';
        header.style.backdropFilter = 'blur(10px)';
        header.style.boxShadow = '0 2px 20px rgba(139, 109, 76, 0.1)';
      } else {
        header.style.background = 'linear-gradient(to bottom, var(--color-cream) 0%, rgba(245, 240, 232, 0) 100%)';
        header.style.backdropFilter = 'none';
        header.style.boxShadow = 'none';
      }
      
      ticking = false;
    }

    window.addEventListener('scroll', () => {
      if (!ticking) {
        requestAnimationFrame(updateHeader);
        ticking = true;
      }
    }, { passive: true });
  }

  // Parallax effect for hero shapes
  function initParallax() {
    if (prefersReducedMotion) return;

    const shapes = document.querySelectorAll('.floating-shape');
    if (!shapes.length) return;

    let ticking = false;

    function updateParallax() {
      const scrollY = window.scrollY;
      const windowHeight = window.innerHeight;
      
      if (scrollY < windowHeight) {
        shapes.forEach((shape, index) => {
          const speed = 0.1 + (index * 0.05);
          const yOffset = scrollY * speed;
          shape.style.transform = `translateY(${yOffset}px)`;
        });
      }
      
      ticking = false;
    }

    window.addEventListener('scroll', () => {
      if (!ticking) {
        requestAnimationFrame(updateParallax);
        ticking = true;
      }
    }, { passive: true });
  }

  // Badge rotation pause on hover
  function initBadgeInteraction() {
    const badge = document.querySelector('.hero-badge');
    if (!badge) return;

    badge.addEventListener('mouseenter', () => {
      badge.style.animationPlayState = 'paused';
    });

    badge.addEventListener('mouseleave', () => {
      badge.style.animationPlayState = 'running';
    });
  }

  // Initialize all
  function init() {
    initRevealOnScroll();
    initSmoothScroll();
    initHeaderScroll();
    initParallax();
    initBadgeInteraction();
  }

  // Run on DOM ready
  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', init);
  } else {
    init();
  }
})();