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

    // Counter animation for stats
    const counters = document.querySelectorAll('.counter-number');
    const speed = 200;

    const animateCounter = (counter) => {
        const target = +counter.getAttribute('data-target');
        const count = +counter.innerText;
        const increment = target / speed;

        if (count < target) {
            counter.innerText = Math.ceil(count + increment);
            setTimeout(() => animateCounter(counter), 1);
    } else {
        counter.innerText = target;
    }
};

// Intersection Observer for counter animation
const observer = new IntersectionObserver((entries) => {
    entries.forEach(entry => {
        if (entry.isIntersecting) {
            animateCounter(entry.target);
        }
    });

    counters.forEach(counter => {
        observer.observe(counter);
    });

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

    // Mobile menu toggle (for future implementation)
    window.toggleMobileMenu = function() {
        const mobileMenu = document.getElementById('mobileMenu');
        mobileMenu.classList.toggle('hidden');
    };

    // Add hover effects to service cards
    const serviceCards = document.querySelectorAll('.service-card');
    serviceCards.forEach(card => {
        card.addEventListener('mouseenter', function() {
            this.style.transform = 'translateY(-8px)';
            this.style.boxShadow = '0 25px 50px -12px rgba(0, 0, 0, 0.25)';
        });

        card.addEventListener('mouseleave', function() {
            this.style.transform = 'translateY(0)';
            this.style.boxShadow = '0 10px 15px -3px rgba(0, 0, 0, 0.1)';
        });
    });

    // Form handling (for contact forms)
    const contactForms = document.querySelectorAll('.contact-form');
    contactForms.forEach(form => {
        form.addEventListener('submit', function(e) {
            e.preventDefault();
            // Add form submission logic here
            alert('Thank you for your message! We will get back to you soon.');
            form.reset();
        });
    });

    // Lazy loading for images
    const imageObserver = new IntersectionObserver((entries, observer) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                const img = entry.target;
                img.src = img.getAttribute('data-src');
                imageObserver.unobserve(img);
            }
        });
    });

    document.querySelectorAll('img[data-src]').forEach(img => {
        imageObserver.observe(img);
    });

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