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

    // Navbar scroll effect
    const navbar = document.getElementById('navbar');
    if (navbar) {
        window.addEventListener('scroll', function() {
            if (window.scrollY > 50) {
                navbar.style.background = 'rgba(0, 0, 0, 0.98)';
            } else {
                navbar.style.background = 'rgba(0, 0, 0, 0.95)';
            }
        });
    }

    // Contact form handling
    const contactForm = document.getElementById('contact-form');
    if (contactForm) {
        contactForm.addEventListener('submit', function(e) {
            e.preventDefault();
            
            const formData = new FormData(this);
            const data = {
                name: formData.get('name'),
                email: formData.get('email'),
                message: formData.get('message')
            };
            
            // Simple validation
            if (!data.name || !data.email || !data.message) {
                alert('Please fill in all fields');
                return;
            }
            
            // Here you would typically send the data to a server
            console.log('Form submitted:', data);
            alert('Thank you for your message! I will get back to you soon.');
            
            // Reset form
            this.reset();
        });
    }

    // Add scroll-based 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.opacity = '1';
                entry.target.style.transform = 'translateY(0)';
            }
        });
    }, observerOptions);

    // Observe sections for scroll animations
    const sections = document.querySelectorAll('section');
    sections.forEach(section => {
        section.style.opacity = '0';
        section.style.transform = 'translateY(20px)';
        section.style.transition = 'opacity 0.6s ease, transform 0.6s ease';
        observer.observe(section);
    });

    // Hero section is always visible
    const heroSection = document.getElementById('hero');
    if (heroSection) {
        heroSection.style.opacity = '1';
        heroSection.style.transform = 'translateY(0)';
    }
});