// Smooth scrolling for anchor links
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
    anchor.addEventListener('click', function(e) {
        e.preventDefault();
        
        const targetId = this.getAttribute('href');
        if(targetId === '#') return;
        
        const targetElement = document.querySelector(targetId);
        if(targetElement) {
            window.scrollTo({
                top: targetElement.offsetTop - 80,
                behavior: 'smooth'
            });
        }
    });
});

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

const observer = new IntersectionObserver((entries) => {
    entries.forEach(entry => {
        if(entry.isIntersecting) {
            entry.target.classList.add('fade-in-up');
            observer.unobserve(entry.target);
        }
    });
}, observerOptions);

// Observe elements with fade-in-up class
document.addEventListener('DOMContentLoaded', () => {
    const fadeElements = document.querySelectorAll('.fade-in-up');
    fadeElements.forEach(el => {
        observer.observe(el);
    });
    
    // Initialize Feather icons
    if(typeof feather !== 'undefined') {
        feather.replace();
    }
});