// Main JavaScript for SearchExperts Pro

document.addEventListener('DOMContentLoaded', function() {
    // Initialize animations and interactions
    initAnimations();
    initFormHandling();
    initScrollEffects();
});

function initAnimations() {
    // Add 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');
            }
        });
    }, observerOptions);

    // Observe all service cards and stats
    document.querySelectorAll('.bg-gray-700').forEach(card => {
        observer.observe(card);
    });

    // Add fade-in animation class
    const style = document.createElement('style');
    style.textContent = `
        .animate-fade-in {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
    `;
    document.head.appendChild(style);
}
function initFormHandling() {
    const applicationForm = document.querySelector('#application form');
    const contactForm = document.querySelector('#contact form');
    
    if (applicationForm) {
        applicationForm.addEventListener('submit', function(e) {
            e.preventDefault();
            
            // Get form data
            const formData = new FormData(this);
            const data = Object.fromEntries(formData);
            
            // Simple form validation
            const required = ['company', 'industry', 'revenue', 'budget', 'name', 'email', 'motivation'];
            const missing = required.filter(field => !data[field]);
            
            if (missing.length > 0 || !data.agreement) {
                showNotification('Please complete all required fields and accept the terms.', 'error');
                return;
            }
            
            // Simulate application submission
            showNotification('Application submitted! We will review your submission within 48 hours.', 'success');
            this.reset();
        });
    }
    
    if (contactForm) {
        contactForm.addEventListener('submit', function(e) {
            e.preventDefault();
            
            // Get form data
            const formData = new FormData(this);
            const data = Object.fromEntries(formData);
            
            // Simple form validation
            if (!data.name || !data.email || !data.message) {
                showNotification('Please fill in all required fields.', 'error');
                return;
            }
            
            // Simulate form submission
            showNotification('Thank you for your message! We\'ll get back to you soon.', 'success');
            this.reset();
        });
    }
}
function initScrollEffects() {
    let lastScrollTop = 0;
    const navbar = document.querySelector('custom-navbar');
    
    window.addEventListener('scroll', function() {
        const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
        
        if (navbar) {
            if (scrollTop > lastScrollTop && scrollTop > 100) {
                navbar.style.transform = 'translateY(-100%)';
            } else {
                navbar.style.transform = 'translateY(0)';
            }
        }
        lastScrollTop = scrollTop;
    });
}

function showNotification(message, type = 'info') {
    // Create notification element
    const notification = document.createElement('div');
    notification.className = `fixed top-4 right-4 z-50 p-4 rounded-lg shadow-lg transition-all duration-300 transform ${
        type === 'error' ? 'bg-red-600' : 
        type === 'success' ? 'bg-green-600' : 'bg-blue-600'
    } text-white max-w-sm`;
    notification.textContent = message;
    
    document.body.appendChild(notification);
    
    // Remove notification after 5 seconds
    setTimeout(() => {
        notification.style.opacity = '0';
        notification.style.transform = 'translateX(100%)';
        setTimeout(() => {
            if (notification.parentNode) {
                notification.parentNode.removeChild(notification);
            }
        }, 300);
    }, 5000);
}

// Utility function for API calls (if needed in the future)
async function makeAPICall(url, options = {}) {
    try {
        const response = await fetch(url, {
            headers: {
                'Content-Type': 'application/json',
                ...options.headers
            },
            ...options
        });
        
        if (!response.ok) {
            throw new Error(`HTTP error! status: ${response.status}`);
        }
        
        return await response.json();
    } catch (error) {
        console.error('API call failed:', error);
        showNotification('Failed to fetch data. Please try again.', 'error');
    }
}

// Theme management (for future light/dark mode toggle)
function toggleTheme() {
    const html = document.documentElement;
    const currentTheme = html.classList.contains('dark') ? 'dark' : 'light';
    const newTheme = currentTheme === 'dark' ? 'light' : 'dark';
    
    html.classList.remove(currentTheme);
    html.classList.add(newTheme);
    
    // Save preference to localStorage
    localStorage.setItem('theme', newTheme);
}

// Check for saved theme preference
const savedTheme = localStorage.getItem('theme');
if (savedTheme && savedTheme !== 'dark') {
    document.documentElement.classList.remove('dark');
    document.documentElement.classList.add(savedTheme);
}