// Intersection Observer for animations
const observerOptions = {
    threshold: 0.1,
    rootMargin: '0px 0px -50px 0px'
};

const observer = new IntersectionObserver((entries) => {
    entries.forEach(entry => {
        if (entry.isIntersecting) {
            entry.target.style.animationPlayState = 'running';
        }
    });
}, observerOptions);

// Observe all animated elements
document.addEventListener('DOMContentLoaded', () => {
    const animatedElements = document.querySelectorAll('[class*="animate-"]');
    animatedElements.forEach(el => {
        observer.observe(el);
    });

    // Count up animation for stats
    const countElements = document.querySelectorAll('[data-count]');
    countElements.forEach(element => {
        const target = parseInt(element.getAttribute('data-count'));
        const duration = 2000;
        const step = target / (duration / 16);
        let current = 0;

        const timer = setInterval(() => {
            current += step;
            if (current >= target) {
                element.textContent = target;
                clearInterval(timer);
            } else {
                element.textContent = Math.floor(current);
            }
        }, 16);
    });

    // Parallax effect for hero section
    window.addEventListener('scroll', () => {
        const scrolled = window.pageYOffset;
        const parallaxElements = document.querySelectorAll('.parallax');
        
        parallaxElements.forEach(element => {
            const speed = element.dataset.speed || 0.5;
            element.style.transform = `translateY(${scrolled * speed}px)`;
    });
});

// Smooth scrolling for anchor links
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
    anchor.addEventListener('click', function (e) {
        e.preventDefault();
        const target = document.querySelector(this.getAttribute('href'));
        if (target) {
            target.scrollIntoView({
                behavior: 'smooth',
                block: 'start'
            });
        }
    });
});

// Mobile menu toggle
function toggleMobileMenu() {
    const mobileMenu = document.getElementById('mobile-menu');
    mobileMenu.classList.toggle('hidden');
    mobileMenu.classList.toggle('flex');
}

// Add loading animation
window.addEventListener('load', () => {
    document.body.classList.add('loaded');
});

// Cursor follower effect
document.addEventListener('mousemove', (e) => {
    const cursorFollower = document.querySelector('.cursor-follower');
    if (cursorFollower) {
        cursorFollower.style.left = e.clientX + 'px';
        cursorFollower.style.top = e.clientY + 'px';
});