// Initialize components and animations
document.addEventListener('DOMContentLoaded', function() {
    // 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.classList.add('animate-fadeIn');
                observer.unobserve(entry.target);
            }
        });
    }, observerOptions);

    // Observe all elements with data-animate attribute
    document.querySelectorAll('[data-animate]').forEach(el => {
        observer.observe(el);
    });

    // 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'
                });
            }
        });
    });
});

// Form validation for donation form
function validateDonationForm() {
    const form = document.querySelector('#donate form');
    if (form) {
        form.addEventListener('submit', function(e) {
            e.preventDefault();
            
            // Validate form fields
            const name = document.getElementById('name').value;
            const email = document.getElementById('email').value;
            const card = document.getElementById('card').value;
            
            if (!name || !email || !card) {
                alert('Please fill in all required fields');
                return;
            }
            
            // Simulate donation processing
            alert('Thank you for your donation! A receipt has been sent to your email.');
            form.reset();
        });
    }
}

// Initialize form validation when DOM is loaded
document.addEventListener('DOMContentLoaded', validateDonationForm);