// Modern Scripts for SmartSolTech Website
document.addEventListener('DOMContentLoaded', function() {
    console.log('SmartSolTech: DOM loaded, initializing...');
    
    // Hide loading screen
    const loadingScreen = document.getElementById('loading-screen');
    if (loadingScreen) {
        console.log('SmartSolTech: Loading screen found, hiding...');
        setTimeout(() => {
            loadingScreen.style.opacity = '0';
            loadingScreen.style.pointerEvents = 'none';
            setTimeout(() => {
                // Полностью удаляем элемент из DOM
                if (loadingScreen.parentNode) {
                    loadingScreen.parentNode.removeChild(loadingScreen);
                    console.log('SmartSolTech: Loading screen completely removed from DOM');
                }
            }, 300);
        }, 200); // Уменьшили время ожидания до 200ms
    } else {
        console.log('SmartSolTech: Loading screen not found');
    }
    
    // Navbar scroll behavior
    const navbar = document.querySelector('.navbar-modern');
    if (navbar) {
        window.addEventListener('scroll', function() {
            if (window.scrollY > 50) {
                navbar.classList.add('scrolled');
            } else {
                navbar.classList.remove('scrolled');
            }
        });
    }
    
    // Smooth scrolling for anchor links
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function (e) {
            const target = document.querySelector(this.getAttribute('href'));
            if (target) {
                e.preventDefault();
                target.scrollIntoView({
                    behavior: 'smooth'
                });
            }
        });
    });
    
    // Intersection Observer for animations
    const observerOptions = {
        threshold: 0.1,
        rootMargin: '0px 0px -50px 0px'
    };
    
    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.style.opacity = '1';
                entry.target.style.transform = 'translateY(0)';
            }
        });
    }, observerOptions);
    
    // Observe cards and service items
    document.querySelectorAll('.card-modern, .service-card, .step-card').forEach(card => {
        observer.observe(card);
    });
    
    console.log('SmartSolTech: All scripts loaded successfully');
});