/**
 * BXHorizon Theme - Main JavaScript
 * CMS-Native Manageable Theme
 */
(function () {
    'use strict';

    // Header scroll effect
    var bxHeader = document.getElementById('bxHeader');
    if (bxHeader) {
        window.addEventListener('scroll', function () {
            if (window.scrollY > 50) {
                bxHeader.classList.add('scrolled');
            } else {
                bxHeader.classList.remove('scrolled');
            }
        });
    }

    // Intersection Observer for scroll animations
    var observerOptions = {
        root: null,
        rootMargin: '0px',
        threshold: 0.15
    };

    var observer = new IntersectionObserver(function (entries) {
        entries.forEach(function (entry) {
            if (entry.isIntersecting) {
                entry.target.classList.add('is-visible');
                observer.unobserve(entry.target);
            }
        });
    }, observerOptions);

    document.querySelectorAll('.bx-animate-up').forEach(function (el) {
        observer.observe(el);
    });

    // Success overlay handling (for contact forms)
    var successOverlay = document.getElementById('bxSuccessOverlay');
    var closeSuccessBtn = document.getElementById('bxCloseSuccess');

    if (closeSuccessBtn && successOverlay) {
        closeSuccessBtn.addEventListener('click', function () {
            successOverlay.classList.remove('active');
            document.body.style.overflow = '';
        });
    }

    // Expose showBxSuccess for form handlers
    window.showBxSuccess = function () {
        if (successOverlay) {
            successOverlay.classList.add('active');
            document.body.style.overflow = 'hidden';
        }
    };

})();