/* domucgiare 2026-10-14: Google Analytics 4 (G-MSN2CBJG6X) + do chuyen doi: bam goi, bam Zalo, gui form */
(function(){
if(window.__dmgGa)return;window.__dmgGa=1;
var id='G-MSN2CBJG6X';
var s=document.createElement('script');s.async=true;s.src='https://www.googletagmanager.com/gtag/js?id='+id;(document.head||document.documentElement).appendChild(s);
window.dataLayer=window.dataLayer||[];window.gtag=window.gtag||function(){dataLayer.push(arguments);};
gtag('js',new Date());gtag('config',id);
function ev(n,p){try{gtag('event',n,p||{});}catch(e){}}
document.addEventListener('click',function(e){
 var a=e.target&&e.target.closest?e.target.closest('a'):null;if(!a)return;
 var h=a.getAttribute('href')||'';
 if(/^tel:/i.test(h)){ev('click_call',{link_url:h,page_path:location.pathname});}
 else if(/zalo\.me|chat\.zalo/i.test(h)){ev('click_zalo',{link_url:h,page_path:location.pathname});}
 else if(/m\.me\/|messenger\.com/i.test(h)){ev('click_messenger',{link_url:h,page_path:location.pathname});}
},true);
document.addEventListener('submit',function(e){
 var f=e.target;if(!f||!f.getAttribute)return;
 var act=f.getAttribute('action')||'';
 if(/lienhe|contact/i.test(act)){ev('generate_lead',{form_action:act,form_id:f.id||'',page_path:location.pathname});}
},true);
})();