document.addEventListener("DOMContentLoaded", function () {

  // agar oldin yuborilgan bo‘lsa — blok
  if (localStorage.getItem('lead_sent') === '1') {
    console.log('Lead already sent — blocked');
    return;
  }

  document.body.addEventListener("submit", function (e) {
    const form = e.target.closest('form');
    if (!form) return;

    // qayta tekshiruv
    if (localStorage.getItem('lead_sent') === '1') return;

    // qat’iy blok
    localStorage.setItem('lead_sent', '1');

    // META
    if (window.fbq) {
      fbq('track', 'Lead');
    }

    // GA4
    if (window.gtag) {
      gtag('event', 'lead');
    }

    console.log('🔥 FORM LEAD SENT — ONLY ONCE');
  });
});