// Smooth scrolling for anchor links
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
    anchor.addEventListener('click', function (e) {
        e.preventDefault();
        document.querySelector(this.getAttribute('href')).scrollIntoView({
            behavior: 'smooth'
        });
    });
});

// Document ready function
document.addEventListener('DOMContentLoaded', function() {
    // Initialize tooltips
    const tooltipElements = document.querySelectorAll('[data-tooltip]');
    tooltipElements.forEach(el => {
        el.addEventListener('mouseenter', showTooltip);
        el.addEventListener('mouseleave', hideTooltip);
    });

    // Animate elements when they come into view
    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('animate-fadeIn');
                observer.unobserve(entry.target);
            }
        });
    }, { threshold: 0.1 });

    document.querySelectorAll('.animate-on-scroll').forEach(el => {
        observer.observe(el);
    });
});

function showTooltip(e) {
    const tooltipText = this.getAttribute('data-tooltip');
    const tooltip = document.createElement('div');
    tooltip.className = 'tooltip';
    tooltip.textContent = tooltipText;
    document.body.appendChild(tooltip);
    
    const rect = this.getBoundingClientRect();
    tooltip.style.top = `${rect.top - tooltip.offsetHeight - 10}px`;
    tooltip.style.left = `${rect.left + rect.width / 2 - tooltip.offsetWidth / 2}px`;
}

function hideTooltip() {
    const tooltip = document.querySelector('.tooltip');
    if (tooltip) {
        tooltip.remove();
    }
}