// CountUp animation for stats
function animateCountUp() {
    const countElements = document.querySelectorAll('.countup');
    
    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                const target = +entry.target.getAttribute('data-target');
                const duration = 2000;
                const start = 0;
                const increment = target / (duration / 16);
                
                let current = start;
                const countUp = () => {
                    current += increment;
                    if (current < target) {
                        entry.target.textContent = Math.floor(current);
                        requestAnimationFrame(countUp);
                    } else {
                        entry.target.textContent = target + '+';
                        entry.target.classList.add('countup-animate');
                    }
                };
                countUp();
                
                observer.unobserve(entry.target);
            }
        });
    }, { threshold: 0.5 });
    
    countElements.forEach(el => observer.observe(el));
}

// Initialize animations when DOM is loaded
document.addEventListener('DOMContentLoaded', () => {
    animateCountUp();
    
    // Add hover effects to all elements with data-feather
    const featherIcons = document.querySelectorAll('[data-feather]');
    featherIcons.forEach(icon => {
        icon.parentElement.addEventListener('mouseenter', () => {
            icon.classList.add('animate-pulse');
        });
        icon.parentElement.addEventListener('mouseleave', () => {
            icon.classList.remove('animate-pulse');
        });
    });
    
    // Smooth scroll 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'
                });
            }
        });
    });
});