// Dark Mode Toggle with Persistence
const toggleCheckbox = document.getElementById('dark-mode-checkbox');

// Check for saved user preference
if (localStorage.getItem('dark-mode') === 'enabled') {
    toggleCheckbox.checked = true;
    document.body.classList.add('dark-mode');
}

toggleCheckbox.addEventListener('change', function() {
    if (this.checked) {
        document.body.classList.add('dark-mode');
        localStorage.setItem('dark-mode', 'enabled');
    } else {
        document.body.classList.remove('dark-mode');
        localStorage.setItem('dark-mode', 'disabled');
    }
});

// Responsive Navbar Toggle
const menuToggle = document.querySelector('.menu-toggle');
const navLinks = document.querySelector('.nav-links');

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

// Active Link Highlighting Based on Scroll
const sections = document.querySelectorAll('section');
const navLinksArray = document.querySelectorAll('.nav-links a');

window.addEventListener('scroll', () => {
    let current = '';

    sections.forEach(section => {
        const sectionTop = section.offsetTop - 70;
        if (pageYOffset >= sectionTop) {
            current = section.getAttribute('id');
        }
    });

    navLinksArray.forEach(link => {
        link.classList.remove('active');
        if (link.getAttribute('href') === `#${current}`) {
            link.classList.add('active');
        }
    });
});

// Smooth Scroll for Older Browsers
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
    anchor.addEventListener('click', function(e) {
        e.preventDefault();
        const target = document.querySelector(this.getAttribute('href'));
        if (target) {
            window.scrollTo({
                top: target.offsetTop - 60, // Adjust for navbar height
                behavior: 'smooth'
            });
        }
    });
});

// Log when the page is loaded
document.addEventListener('DOMContentLoaded', function() {
    console.log('SeedPass landing page loaded');
});