(function() {
  'use strict';

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

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

    const observerOptions = {
      root: null,
      rootMargin: '0px 0px -80px 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, index) => {
      el.style.transitionDelay = `${index * 0.1}s`;
      observer.observe(el);
    });
  }

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

    let ticking = false;

    window.addEventListener('scroll', () => {
      if (!ticking) {
        window.requestAnimationFrame(() => {
          if (window.scrollY > 100) {
            header.style.background = 'rgba(248, 246, 241, 0.95)';
            header.style.backdropFilter = 'blur(10px)';
            header.style.webkitBackdropFilter = 'blur(10px)';
          } else {
            header.style.background = 'linear-gradient(to bottom, var(--cream), transparent)';
            header.style.backdropFilter = 'none';
            header.style.webkitBackdropFilter = 'none';
          }
          ticking = false;
        });
        ticking = true;
      }
    }, { passive: true });
  }

  // Initialize everything when DOM is ready
  document.addEventListener('DOMContentLoaded', () => {
    initReveal();
    initHeaderScroll();
  });
})();