(() => {
'use strict';
const root = document.currentScript?.closest('.md-page') || document.querySelector('.md-page');
if (!root) return;
const $ = (s,c=root) => c.querySelector(s);
const $$ = (s,c=root) => [...c.querySelectorAll(s)];
const panel = $('.md-mobile-panel');
const hamb = $('.md-hamb');
if (hamb && panel) {
hamb.addEventListener('click', () => {
panel.classList.toggle('md-open');
hamb.setAttribute('aria-expanded', panel.classList.contains('md-open'));
});
}
$$('.md-faq-q').forEach(b => b.addEventListener('click', () => {
const item = b.closest('.md-faq-item');
if (item) item.classList.toggle('md-open');
}));
if ('IntersectionObserver' in window) {
const obs = new IntersectionObserver(entries => entries.forEach(e => {
if (e.isIntersecting) e.target.classList.add('md-visible');
}), {threshold:.08});
$$('.md-reveal').forEach(el => obs.observe(el));
} else {
$$('.md-reveal').forEach(el => el.classList.add('md-visible'));
}
const progress = $('.md-top-progress');
const onScroll = () => {
if (!progress) return;
const h = document.documentElement;
const denom = Math.max(1, h.scrollHeight - h.clientHeight);
progress.style.width = (h.scrollTop / denom * 100) + '%';
};
window.addEventListener('scroll', onScroll, {passive:true});
onScroll();
$$('.md-filter-btn').forEach(b => b.addEventListener('click', () => {
$$('.md-filter-btn').forEach(x => x.classList.remove('md-active'));
b.classList.add('md-active');
const f = b.dataset.filter;
$$('.md-project-card[data-type]').forEach(c => {
c.style.display = (f === 'all' || c.dataset.type === f) ? '' : 'none';
});
}));
const form = $('#md-quoteWizard');
if (form) {
const steps = $$('.md-form-step', form);
const bars = $$('.md-form-progress span', form);
let i = 0;
const show = () => {
steps.forEach((s,n) => s.classList.toggle('md-active', n === i));
bars.forEach((b,n) => b.classList.toggle('md-active', n <= i));
};
$$('.md-next', form).forEach(b => b.addEventListener('click', () => {
if (i < steps.length - 1) { i++; show(); }
}));
$$('.md-prev', form).forEach(b => b.addEventListener('click', () => {
if (i > 0) { i--; show(); }
}));
form.addEventListener('submit', e => {
e.preventDefault();
$$('.md-form-step', form).forEach(s => s.style.display = 'none');
const fp = $('.md-form-progress', form);
if (fp) fp.style.display = 'none';
const success = $('.md-form-success', form);
if (success) success.classList.add('md-show');
// BRICKS/WORDPRESS: tutaj podepnij endpoint REST, webhook n8n albo formularz Bricks.
});
show();
}
$$('form[data-demo]').forEach(f => f.addEventListener('submit', e => {
e.preventDefault();
const btn = $('button[type="submit"]', f);
if (btn) {
btn.textContent = 'Dziękujemy — odezwiemy się';
btn.disabled = true;
}
}));
})();
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