add hidden UTM fields, capture from URL params, send in webhook

index.html

@@ -1819,6 +1819,11 @@
                     <option value="france">France</option>
                 </select>
                 <input type="text" class="pricing-config-input" id="pricing-coupon" placeholder="Coupon code" />
+                <input type="hidden" id="utm_source" />
+                <input type="hidden" id="utm_medium" />
+                <input type="hidden" id="utm_campaign" />
+                <input type="hidden" id="utm_term" />
+                <input type="hidden" id="utm_content" />
             </div>
 
             <!-- ── Plans grid ── -->
@@ -2343,6 +2348,15 @@
         document.getElementById('pricing-period').addEventListener('change', updatePeriodDisplay);
         updatePeriodDisplay(); // fire on load so yearly bonuses show by default
 
+        /* ── Capture UTM params from URL ──────────────────────────── */
+        (function () {
+            const params = new URLSearchParams(window.location.search);
+            ['source', 'medium', 'campaign', 'term', 'content'].forEach(function (key) {
+                const val = params.get('utm_' + key);
+                if (val) document.getElementById('utm_' + key).value = val;
+            });
+        })();
+
         /* ── Hire Agent Webhook ───────────────────────────── */
         const ORDER_WEBHOOK = "https://n8n.derez.ai/webhook/5318a0d8-d064-42fb-95b7-aa5552cb3fa9";
 
@@ -2362,6 +2376,11 @@
                         period: period,
                         location: location,
                         coupon: coupon || null,
+                        utm_source: document.getElementById('utm_source').value || null,
+                        utm_medium: document.getElementById('utm_medium').value || null,
+                        utm_campaign: document.getElementById('utm_campaign').value || null,
+                        utm_term: document.getElementById('utm_term').value || null,
+                        utm_content: document.getElementById('utm_content').value || null,
                     }),
                 });
             } catch (err) {