diff --git a/contact.html b/contact.html
index e4173dd..7bf471a 100644
--- a/contact.html
+++ b/contact.html
@@ -77,7 +77,12 @@
             <div class="form-success" id="formSuccess" role="alert">
               <i class="fa-solid fa-circle-check" style="font-size: 2rem; color: var(--green); display: block; margin-bottom: 12px;"></i>
               <strong data-i18n="contact.successTitle">Inscription envoyée !</strong><br>
-              <span data-i18n="contact.successMsg">Merci ! Nous avons bien reçu votre demande. Notre équipe vous contactera dans les plus brefs délais avec votre numéro de référence client.</span>
+              <span data-i18n="contact.successMsg">Merci ! Votre inscription a bien été enregistrée.</span>
+              <div id="refNumberBlock" style="margin-top: 16px; padding: 14px 20px; background: var(--navy); border-radius: 8px; border: 2px solid var(--gold);">
+                <p style="margin:0 0 4px; font-size:0.85rem; color: var(--gold); font-weight:600;" data-i18n="contact.refLabel">VOTRE NUMÉRO DE RÉFÉRENCE CLIENT</p>
+                <p id="refNumberDisplay" style="margin:0; font-size:1.6rem; font-weight:700; color:#fff; letter-spacing:2px;"></p>
+              </div>
+              <p style="margin-top:12px; font-size:0.9rem; color: var(--text-light);" data-i18n="contact.successNote">Conservez ce numéro — il vous sera demandé lors de chaque envoi.</p>
             </div>
 
             <form id="contactForm" novalidate>
diff --git a/js/form-handler.js b/js/form-handler.js
index 118968c..2093ae0 100644
--- a/js/form-handler.js
+++ b/js/form-handler.js
@@ -14,6 +14,12 @@ document.addEventListener('DOMContentLoaded', () => {
   if (form) setupContactForm(form);
 });
 
+function generateRefNumber() {
+  const year = new Date().getFullYear();
+  const rand = Math.floor(1000 + Math.random() * 9000); // 4 digits
+  return `MVA-${year}-${rand}`;
+}
+
 function setupContactForm(form) {
   form.addEventListener('submit', async (e) => {
     e.preventDefault();
@@ -21,12 +27,15 @@ function setupContactForm(form) {
 
     setLoading(true);
 
+    const refNumber = generateRefNumber();
+
     const data = {
       firstname: form.firstname.value.trim(),
       lastname: form.lastname.value.trim(),
       phone: form.phone.value.trim(),
       email: form.email.value.trim(),
       address: form.address.value.trim(),
+      reference_client: refNumber,
     };
 
     const results = await Promise.allSettled([
@@ -40,7 +49,7 @@ function setupContactForm(form) {
     setLoading(false);
 
     if (hubspotOk || formspreeOk) {
-      showSuccess();
+      showSuccess(refNumber);
     } else {
       showError();
     }
@@ -55,6 +64,7 @@ async function submitToHubSpot(data) {
       { name: 'phone', value: data.phone },
       { name: 'email', value: data.email },
       { name: 'address', value: data.address },
+      { name: 'reference_client', value: data.reference_client },
     ],
     context: {
       pageUri: window.location.href,
@@ -86,7 +96,8 @@ async function submitToFormspree(data) {
       prenom: data.firstname,
       telephone: data.phone,
       email: data.email,
-      adresse_antananarivo: data.address,
+      adresse_livraison: data.address,
+      reference_client: data.reference_client,
     }),
   });
 
@@ -173,9 +184,11 @@ function setLoading(isLoading) {
   form?.classList.toggle('form-loading', isLoading);
 }
 
-function showSuccess() {
+function showSuccess(refNumber) {
   const successEl = document.getElementById('formSuccess');
   const form = document.getElementById('contactForm');
+  const refDisplay = document.getElementById('refNumberDisplay');
+  if (refDisplay && refNumber) refDisplay.textContent = refNumber;
   if (successEl) {
     successEl.classList.add('show');
     successEl.scrollIntoView({ behavior: 'smooth', block: 'center' });
diff --git a/js/translations.js b/js/translations.js
index a9bfc76..9595744 100644
--- a/js/translations.js
+++ b/js/translations.js
@@ -110,8 +110,10 @@ const translations = {
       placeholderAdresse: "Adresse complète...",
       submitBtn: "S'inscrire",
       submitLoading: "Envoi en cours...",
-      successTitle: "Inscription envoyée !",
-      successMsg: "Merci ! Nous avons bien reçu votre demande. Notre équipe vous contactera dans les plus brefs délais avec votre numéro de référence client.",
+      successTitle: "Inscription réussie !",
+      successMsg: "Merci ! Votre inscription a bien été enregistrée.",
+      refLabel: "VOTRE NUMÉRO DE RÉFÉRENCE CLIENT",
+      successNote: "Conservez ce numéro — il vous sera demandé lors de chaque envoi.",
       errorMsg: "Une erreur est survenue. Veuillez réessayer ou nous contacter directement.",
       required: "Ce champ est obligatoire",
       invalidEmail: "Adresse email invalide",
@@ -314,8 +316,10 @@ const translations = {
       placeholderAdresse: "Full address...",
       submitBtn: "Register",
       submitLoading: "Sending...",
-      successTitle: "Registration Sent!",
-      successMsg: "Thank you! We have received your request. Our team will contact you shortly with your client reference number.",
+      successTitle: "Registration Successful!",
+      successMsg: "Thank you! Your registration has been recorded.",
+      refLabel: "YOUR CLIENT REFERENCE NUMBER",
+      successNote: "Keep this number — you will need it for every shipment.",
       errorMsg: "An error occurred. Please try again or contact us directly.",
       required: "This field is required",
       invalidEmail: "Invalid email address",
@@ -518,8 +522,10 @@ const translations = {
       placeholderAdresse: "Adiresy feno...",
       submitBtn: "Hisoratra anarana",
       submitLoading: "Alefa...",
-      successTitle: "Lasa ny fisoratana anarana!",
-      successMsg: "Misaotra! Voaray ny fangatahanareo. Hifandray aminareo ny ekipanay amin'ny fotoana fohy indrindra miaraka amin'ny laharan'ny mpanjifa.",
+      successTitle: "Vita ny fisoratana anarana!",
+      successMsg: "Misaotra! Voaray tsara ny fisoratana anarana.",
+      refLabel: "NY LAHARANAO MPANJIFA",
+      successNote: "Tehirizo ity laharana ity — ilaina amin'ny fandefasana tsirairay.",
       errorMsg: "Nisy olana nitranga. Andramo indray na mifandraisa mivantana aminay.",
       required: "Tsy maintsy fenoina ity saha ity",
       invalidEmail: "Tsy mety ny adiresy mailaka",