/**
 * AFG CARS 2026 - Main JavaScript
 */

document.addEventListener('DOMContentLoaded', function() {
    // Add scroll event for navbar glassmorphism intensity
    const navbar = document.querySelector('.navbar');

    window.addEventListener('scroll', function() {
        if (window.scrollY > 20) {
            navbar.style.background = 'rgba(2, 6, 23, 0.9)';
            navbar.style.boxShadow = '0 10px 30px -10px rgba(0,0,0,0.5)';
            navbar.style.height = '70px';
        } else {
            navbar.style.background = 'rgba(2, 6, 23, 0.7)';
            navbar.style.boxShadow = 'none';
            navbar.style.height = '80px';
        }
    });

    // Form submission feedback
    const forms = document.querySelectorAll('form');
    forms.forEach(form => {
        form.addEventListener('submit', function() {
            const btn = this.querySelector('button[type="submit"]');
            if (btn) {
                const originalText = btn.innerHTML;
                btn.innerHTML = '<span style="display: flex; align-items: center; gap: 0.5rem;">Processing...</span>';
                btn.style.opacity = '0.7';
                btn.disabled = true;
            }
        });
    });

    // Intersection Observer for scroll animations
    const observerOptions = {
        threshold: 0.1
    };

    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.style.opacity = '1';
                entry.target.style.transform = 'translateY(0)';
            }
        });
    }, observerOptions);

    document.querySelectorAll('.glass-card').forEach(card => {
        card.style.opacity = '0';
        card.style.transform = 'translateY(20px)';
        card.style.transition = 'all 0.6s cubic-bezier(0.4, 0, 0.2, 1)';
        observer.observe(card);
    });
});