// Smooth scroll 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',
                block: 'start'
            });
        }
    });
});

// Contact form handler
document.getElementById('contactForm')?.addEventListener('submit', function(e) {
    e.preventDefault();
    
    // Get form data
    const formData = new FormData(this);
    const data = Object.fromEntries(formData);
    
    // Show success message
    showNotification('Message sent successfully! We\'ll get back to you soon.', 'success');
    
    // Reset form
    this.reset();
});

// Notification system
function showNotification(message, type = 'info') {
    const notification = document.createElement('div');
    notification.className = `fixed top-4 right-4 z-50 px-6 py-4 rounded-lg shadow-lg transform translate-x-full transition-transform duration-300 ${
        type === 'success' ? 'bg-green-500 text-white' : 
        type === 'error' ? 'bg-red-500 text-white' : 
        'bg-blue-500 text-white'
    }`;
    notification.textContent = message;
    
    document.body.appendChild(notification);
    
    // Animate in
    setTimeout(() => {
        notification.style.transform = 'translateX(0)';
    }, 100);
    
    // Remove after 3 seconds
    setTimeout(() => {
        notification.style.transform = 'translateX(100%)';
        setTimeout(() => {
            notification.remove();
        }, 300);
    }, 3000);
}

// Intersection Observer for scroll 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-fade-in');
            observer.unobserve(entry.target);
        }
    });
}, observerOptions);

// Observe all sections
document.querySelectorAll('section').forEach(section => {
    observer.observe(section);
});

// Parallax effect for hero section
window.addEventListener('scroll', () => {
    const scrolled = window.pageYOffset;
    const parallax = document.querySelector('.gradient-animation');
    if (parallax) {
        parallax.style.transform = `translateY(${scrolled * 0.5}px)`;
    }
});

// Mobile menu toggle (if navbar is custom component)
document.addEventListener('DOMContentLoaded', () => {
    // Initialize Feather icons
    feather.replace();
    
    // Add loading animation
    document.body.classList.add('loaded');
    
    // Counter animation for stats (if any)
    animateCounters();
});

// Counter animation function
function animateCounters() {
    const counters = document.querySelectorAll('.counter');
    const speed = 200;
    
    counters.forEach(counter => {
        const animate = () => {
            const value = +counter.getAttribute('data-target');
            const data = +counter.innerText;
            const time = value / speed;
            
            if (data < value) {
                counter.innerText = Math.ceil(data + time);
                setTimeout(animate, 1);
            } else {
                counter.innerText = value;
            }
        }
        
        animate();
    });
}

// Dark mode toggle (if implemented)
function toggleDarkMode() {
    document.documentElement.classList.toggle('dark');
    localStorage.setItem('darkMode', document.documentElement.classList.contains('dark'));
}

// Check for saved dark mode preference
if (localStorage.getItem('darkMode') === 'true') {
    document.documentElement.classList.add('dark');
}

// Lazy loading for images
document.addEventListener('DOMContentLoaded', () => {
    const lazyImages = document.querySelectorAll('img[data-src]');
    
    const imageObserver = new IntersectionObserver((entries, observer) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                const img = entry.target;
                img.src = img.dataset.src;
                img.classList.remove('lazy');
                imageObserver.unobserve(img);
            }
        });
    });
    
    lazyImages.forEach(img => imageObserver.observe(img));
});

// Typewriter effect for hero title
function typeWriter(element, text, speed = 100) {
    let i = 0;
    element.textContent = '';
    
    function type() {
        if (i < text.length) {
            element.textContent += text.charAt(i);
            i++;
            setTimeout(type, speed);
        }
    }
    
    type();
}

// Initialize typewriter effect if needed
document.addEventListener('DOMContentLoaded', () => {
    const heroTitle = document.querySelector('.hero-title');
    if (heroTitle) {
        typeWriter(heroTitle, heroTitle.textContent, 50);
    }
});