pawelorzech.github.io/script.js

// Minimal blog functionality
document.addEventListener('DOMContentLoaded', () => {
    // Image loading optimization
    const images = document.querySelectorAll('img[loading="lazy"]');
    
    if ('IntersectionObserver' in window) {
        const imageObserver = new IntersectionObserver((entries, observer) => {
            entries.forEach(entry => {
                if (entry.isIntersecting) {
                    const img = entry.target;
                    img.style.opacity = '1';
                    observer.unobserve(img);
                }
            });
        });

        images.forEach(img => {
            img.style.opacity = '0';
            img.style.transition = 'opacity 0.3s ease';
            imageObserver.observe(img);
        });
    }
    
    // Simple fade-in animation for posts on scroll
    const posts = document.querySelectorAll('.post');
    
    const postObserver = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.style.opacity = '1';
                entry.target.style.transform = 'translateY(0)';
            }
        });
    }, {
        threshold: 0.1,
        rootMargin: '0px 0px -50px 0px'
    });

    posts.forEach(post => {
        post.style.opacity = '0';
        post.style.transform = 'translateY(20px)';
        post.style.transition = 'opacity 0.4s ease, transform 0.4s ease';
        postObserver.observe(post);
    });
});

// Simple smooth scrolling for anchor links
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
    anchor.addEventListener('click', function (e) {
        e.preventDefault();
        const target = document.querySelector(this.getAttribute('href'));
        if (target) {
            target.scrollIntoView({
                behavior: 'smooth',
                block: 'start'
            });
        }
    });
});