// Script principal pour le site 4NK
document.addEventListener('DOMContentLoaded', function() {

	// Animation d'apparition des éléments au scroll
	const observerOptions = {
		threshold: 0.1,
		rootMargin: '0px 0px -50px 0px'
	};

	const observer = new IntersectionObserver(function(entries) {
		entries.forEach(entry => {
			if (entry.isIntersecting) {
				entry.target.classList.add('fade-in-up');
			}
		});
	}, observerOptions);

	// Observer tous les éléments à animer
	const animatedElements = document.querySelectorAll('.service-card, .about-text, .about-visual, .contact-info, .contact-form');
	animatedElements.forEach(el => {
		observer.observe(el);
	});

	// Navigation smooth scroll
	const navLinks = document.querySelectorAll('.nav-link');
	navLinks.forEach(link => {
		link.addEventListener('click', function(e) {
			e.preventDefault();
			const targetId = this.getAttribute('href');
			const targetSection = document.querySelector(targetId);

			if (targetSection) {
				const headerHeight = document.querySelector('.header').offsetHeight;
				const targetPosition = targetSection.offsetTop - headerHeight;

				window.scrollTo({
					top: targetPosition,
					behavior: 'smooth'
				});
			}
		});
	});

	// Effet de parallaxe sur le logo principal
	const heroLogo = document.querySelector('.hero-logo-img');
	window.addEventListener('scroll', function() {
		const scrolled = window.pageYOffset;
		const rate = scrolled * -0.5;

		if (heroLogo) {
			heroLogo.style.transform = `translateY(${rate}px) rotate(${scrolled * 0.1}deg)`;
		}
	});

	// Animation du header au scroll
	const header = document.querySelector('.header');
	window.addEventListener('scroll', function() {
		if (window.scrollY > 100) {
			header.style.background = 'rgba(10, 10, 10, 0.98)';
			header.style.boxShadow = '0 2px 20px rgba(255, 107, 53, 0.1)';
		} else {
			header.style.background = 'rgba(10, 10, 10, 0.95)';
			header.style.boxShadow = 'none';
		}
	});

	// Effet de typing pour le titre principal
	function typeWriter(element, text, speed = 100) {
		let i = 0;
		element.innerHTML = '';

		function type() {
			if (i < text.length) {
				element.innerHTML += text.charAt(i);
				i++;
				setTimeout(type, speed);
			}
		}

		type();
	}

	// Animation des icônes de services
	const serviceIcons = document.querySelectorAll('.service-svg');
	serviceIcons.forEach(icon => {
		icon.addEventListener('mouseenter', function() {
			this.style.animation = 'serviceIconPulse 1s ease-in-out infinite';
		});

		icon.addEventListener('mouseleave', function() {
			this.style.animation = 'serviceIconPulse 3s ease-in-out infinite';
		});
	});

	// Effet de particules flottantes
	function createParticles() {
		const particlesContainer = document.createElement('div');
		particlesContainer.className = 'particles';
		document.body.appendChild(particlesContainer);

		for (let i = 0; i < 20; i++) {
			const particle = document.createElement('div');
			particle.className = 'particle';
			particle.style.left = Math.random() * 100 + '%';
			particle.style.animationDelay = Math.random() * 10 + 's';
			particle.style.animationDuration = (Math.random() * 10 + 10) + 's';
			particlesContainer.appendChild(particle);
		}
	}

	// Créer les particules
	createParticles();

	// Effet de glow sur les boutons
	const buttons = document.querySelectorAll('.btn');
	buttons.forEach(button => {
		button.addEventListener('mouseenter', function() {
			this.style.boxShadow = '0 8px 25px rgba(255, 107, 53, 0.5), 0 0 20px rgba(255, 107, 53, 0.3)';
		});

		button.addEventListener('mouseleave', function() {
			if (this.classList.contains('btn-primary')) {
				this.style.boxShadow = '0 4px 15px rgba(255, 107, 53, 0.3)';
			} else {
				this.style.boxShadow = 'none';
			}
		});
	});

	// Gestion du formulaire de contact
	const contactForm = document.querySelector('.contact-form form');
	if (contactForm) {
		contactForm.addEventListener('submit', async function(e) {
			e.preventDefault();

			const submitBtn = this.querySelector('.btn-primary');
			const originalText = submitBtn.textContent;

			submitBtn.textContent = 'Sending...';
			submitBtn.disabled = true;

			const name = this.querySelector('input[placeholder="Name"]').value.trim();
			const email = this.querySelector('input[placeholder="Email"]').value.trim();
			const message = this.querySelector('textarea[placeholder="Message"]').value.trim();

			try {
				const resp = await fetch('/contact', {
					method: 'POST',
					headers: { 'Content-Type': 'application/json' },
					body: JSON.stringify({ name, email, message })
				});
				if (!resp.ok) throw new Error('Failed');
				submitBtn.textContent = 'Message sent!';
				submitBtn.style.background = '#4CAF50';
				setTimeout(() => {
					submitBtn.textContent = originalText;
					submitBtn.disabled = false;
					submitBtn.style.background = '';
					this.reset();
				}, 2000);
			} catch (err) {
				submitBtn.textContent = 'Send failed';
				submitBtn.style.background = '#E53935';
				setTimeout(() => {
					submitBtn.textContent = originalText;
					submitBtn.disabled = false;
					submitBtn.style.background = '';
				}, 2000);
			}
		});
	}

	// Effet de cursor personnalisé
	const cursor = document.createElement('div');
	cursor.className = 'custom-cursor';
	cursor.style.cssText = `
		position: fixed;
		width: 20px;
		height: 20px;
		background: radial-gradient(circle, rgba(255, 107, 53, 0.8) 0%, transparent 70%);
		border-radius: 50%;
		pointer-events: none;
		z-index: 9999;
		transition: transform 0.1s ease;
		display: none;
	`;
	document.body.appendChild(cursor);

	// Suivi du curseur
	document.addEventListener('mousemove', function(e) {
		cursor.style.left = e.clientX - 10 + 'px';
		cursor.style.top = e.clientY - 10 + 'px';
		cursor.style.display = 'block';
	});

	// Cacher le curseur personnalisé quand on quitte la page
	document.addEventListener('mouseleave', function() {
		cursor.style.display = 'none';
	});

	// Effet de hover sur les liens
	const links = document.querySelectorAll('a, .btn');
	links.forEach(link => {
		link.addEventListener('mouseenter', function() {
			cursor.style.transform = 'scale(1.5)';
			cursor.style.background = 'radial-gradient(circle, rgba(255, 215, 0, 0.8) 0%, transparent 70%)';
		});

		link.addEventListener('mouseleave', function() {
			cursor.style.transform = 'scale(1)';
			cursor.style.background = 'radial-gradient(circle, rgba(255, 107, 53, 0.8) 0%, transparent 70%)';
		});
	});

	// Animation des logos images
	const logos = document.querySelectorAll('.logo-img, .hero-logo-img, .showcase-logo-img, .footer-logo-img');
	logos.forEach(logo => {
		logo.addEventListener('mouseenter', function() {
			this.style.filter = 'drop-shadow(0 0 20px var(--primary-orange)) drop-shadow(0 0 40px var(--accent-orange))';
		});

		logo.addEventListener('mouseleave', function() {
			// Restaurer le filtre original selon le type de logo
			if (this.classList.contains('hero-logo-img')) {
				this.style.filter = 'drop-shadow(0 0 20px var(--primary-orange))';
			} else if (this.classList.contains('showcase-logo-img')) {
				this.style.filter = 'drop-shadow(0 0 15px var(--primary-orange))';
			} else if (this.classList.contains('footer-logo-img')) {
				this.style.filter = 'drop-shadow(0 0 8px var(--primary-orange))';
			} else {
				this.style.filter = 'drop-shadow(0 0 10px var(--primary-orange))';
			}
		});
	});

	// Effet de parallaxe sur les sections
	const parallaxElements = document.querySelectorAll('.hero, .services, .about, .contact');
	window.addEventListener('scroll', function() {
		const scrolled = window.pageYOffset;

		parallaxElements.forEach((element, index) => {
			const rate = scrolled * -0.5;
			const sectionOffset = element.offsetTop;
			const sectionHeight = element.offsetHeight;

			if (scrolled + window.innerHeight > sectionOffset && scrolled < sectionOffset + sectionHeight) {
				element.style.transform = `translateY(${rate * 0.1}px)`;
			}
		});
	});

	// Animation des cartes de services au scroll
	const serviceCards = document.querySelectorAll('.service-card');
	const serviceObserver = new IntersectionObserver(function(entries) {
		entries.forEach((entry, index) => {
			if (entry.isIntersecting) {
				setTimeout(() => {
					entry.target.style.opacity = '1';
					entry.target.style.transform = 'translateY(0)';
				}, index * 200);
			}
		});
	}, { threshold: 0.1 });

	serviceCards.forEach(card => {
		card.style.opacity = '0';
		card.style.transform = 'translateY(50px)';
		card.style.transition = 'all 0.6s ease';
		serviceObserver.observe(card);
	});

	// Effet de glow sur le texte principal
	const brandName = document.querySelector('.brand-name');
	if (brandName) {
		setInterval(() => {
			const intensity = Math.random() * 0.5 + 0.5;
			brandName.style.textShadow = `0 0 ${30 * intensity}px rgba(255, 107, 53, ${intensity}), 0 0 ${50 * intensity}px rgba(255, 165, 0, ${intensity * 0.5})`;
		}, 1000);
	}

	// Animation de chargement initial
	window.addEventListener('load', function() {
		document.body.style.opacity = '0';
		document.body.style.transition = 'opacity 1s ease';

		setTimeout(() => {
			document.body.style.opacity = '1';
		}, 100);
	});

	// Gestion du menu mobile (si nécessaire)
	const navToggle = document.createElement('button');
	navToggle.className = 'nav-toggle';
	navToggle.innerHTML = '☰';
	navToggle.style.cssText = `
		display: none;
		background: none;
		border: none;
		color: var(--text-light);
		font-size: 1.5rem;
		cursor: pointer;
		padding: 0.5rem;
	`;

	// Ajouter le toggle au nav si on est sur mobile
	if (window.innerWidth <= 768) {
		const nav = document.querySelector('.nav');
		nav.appendChild(navToggle);

		navToggle.addEventListener('click', function() {
			const navMenu = document.querySelector('.nav-menu');
			navMenu.style.display = navMenu.style.display === 'flex' ? 'none' : 'flex';
		});
	}

	// Mise à jour du menu mobile au redimensionnement
	window.addEventListener('resize', function() {
		const navMenu = document.querySelector('.nav-menu');
		if (window.innerWidth > 768) {
			navMenu.style.display = 'flex';
			navToggle.style.display = 'none';
		} else {
			navToggle.style.display = 'block';
			navMenu.style.display = 'none';
		}
	});

	console.log('Site 4NK chargé avec succès !');
});