// === Navbar scroll effect ===
const navbar = document.getElementById('navbar');

window.addEventListener('scroll', () => {
    if (window.scrollY > 50) {
        navbar.classList.add('scrolled');
    } else {
        navbar.classList.remove('scrolled');
    }
});

// === Mobile nav toggle ===
const navToggle = document.getElementById('navToggle');
const navLinks = document.getElementById('navLinks');

navToggle.addEventListener('click', () => {
    navToggle.classList.toggle('active');
    navLinks.classList.toggle('active');
});

// Close mobile nav on link click
navLinks.querySelectorAll('a').forEach(link => {
    link.addEventListener('click', () => {
        navToggle.classList.remove('active');
        navLinks.classList.remove('active');
    });
});

// === Scroll animations (Intersection Observer) ===
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('visible');
            observer.unobserve(entry.target);
        }
    });
}, observerOptions);

// Add fade-in class to animatable elements
document.querySelectorAll('.feature-card, .pricing-card, .contact-info-card, .section-title, .section-subtitle').forEach(el => {
    el.classList.add('fade-in');
    observer.observe(el);
});

// === Contact form ===
const contactForm = document.getElementById('contactForm');
const formStatus = document.getElementById('formStatus');

contactForm.addEventListener('submit', (e) => {
    e.preventDefault();

    const formData = new FormData(contactForm);
    const data = Object.fromEntries(formData);

    // For now, show success message (backend can be added later)
    formStatus.className = 'form-status success';
    formStatus.textContent = 'Kiitos viestistäsi! Palaamme asiaan mahdollisimman pian.';

    contactForm.reset();

    setTimeout(() => {
        formStatus.className = 'form-status';
    }, 5000);
});