diff --git a/app/layout.tsx b/app/layout.tsx
index 5c348da..6de5a97 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -45,8 +45,8 @@ export default function RootLayout({ children }: { children: React.ReactNode })
   return (
     <html lang="fr">
       <head>
-        {/* Google Tag Manager */}
-        <Script id="google-tag-manager" strategy="afterInteractive">
+        {/* Google Tag Manager - must load first */}
+        <Script id="google-tag-manager" strategy="beforeInteractive">
           {`
             (function(w,d,s,l,i){
               w[l]=w[l]||[];
@@ -57,20 +57,20 @@ export default function RootLayout({ children }: { children: React.ReactNode })
               j.async=true;
               j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;
               f.parentNode.insertBefore(j,f);
-            })(window,document,'script','dataLayer','${GTM_ID}');
+            })(window,document,'script','dataLayer','GTM-WN8H6RTC');
           `}
         </Script>
         {/* Google Analytics 4 */}
         <Script
-          src={`https://www.googletagmanager.com/gtag/js?id=${GA_TRACKING_ID}`}
-          strategy="afterInteractive"
+          src="https://www.googletagmanager.com/gtag/js?id=G-E272LVVQRD"
+          strategy="beforeInteractive"
         />
-        <Script id="google-analytics" strategy="afterInteractive">
+        <Script id="google-analytics" strategy="beforeInteractive">
           {`
             window.dataLayer = window.dataLayer || [];
             function gtag(){dataLayer.push(arguments);}
             gtag('js', new Date());
-            gtag('config', '${GA_TRACKING_ID}');
+            gtag('config', 'G-E272LVVQRD');
           `}
         </Script>
       </head>
@@ -78,7 +78,7 @@ export default function RootLayout({ children }: { children: React.ReactNode })
         {/* Google Tag Manager (noscript) */}
         <noscript>
           <iframe
-            src={`https://www.googletagmanager.com/ns.html?id=${GTM_ID}`}
+            src="https://www.googletagmanager.com/ns.html?id=GTM-WN8H6RTC"
             height="0"
             width="0"
             style={{ display: 'none', visibility: 'hidden' }}
