document.addEventListener('DOMContentLoaded', function() {
    // Initialize tooltips
    const tooltipTriggers = document.querySelectorAll('[data-tooltip]');
    
    tooltipTriggers.forEach(trigger => {
        const tooltip = document.createElement('div');
        tooltip.className = 'hidden absolute z-50 w-max max-w-xs px-3 py-2 text-sm text-white bg-gray-800 rounded-md shadow-lg';
        tooltip.textContent = trigger.getAttribute('data-tooltip');
        
        trigger.parentNode.appendChild(tooltip);
        trigger.parentNode.style.position = 'relative';
        
        trigger.addEventListener('mouseenter', () => {
            tooltip.classList.remove('hidden');
        });
        
        trigger.addEventListener('mouseleave', () => {
            tooltip.classList.add('hidden');
        });
    });

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

    // Animate elements when they come into view
    const animateOnScroll = () => {
        const elements = document.querySelectorAll('.fade-in, .slide-up');
        
        elements.forEach(element => {
            const elementPosition = element.getBoundingClientRect().top;
            const windowHeight = window.innerHeight;
            
            if (elementPosition < windowHeight - 100) {
                element.style.opacity = '1';
                element.style.transform = 'translateY(0)';
            }
        });
    };

    window.addEventListener('scroll', animateOnScroll);
    animateOnScroll(); // Run once on load
});

// API integration for crypto prices
async function fetchCryptoPrices() {
    try {
        const response = await fetch('https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,ethereum&vs_currencies=usd');
        const data = await response.json();
        
        if (data.bitcoin && data.ethereum) {
            document.querySelectorAll('.btc-price').forEach(el => {
                el.textContent = `$${data.bitcoin.usd.toLocaleString()}`;
            });
            
            document.querySelectorAll('.eth-price').forEach(el => {
                el.textContent = `$${data.ethereum.usd.toLocaleString()}`;
            });
        }
    } catch (error) {
        console.error('Error fetching crypto prices:', error);
    }
}

// Call the function when the page loads
window.addEventListener('load', fetchCryptoPrices);