diff --git a/src/digital-components/salesforce-webchat/salesforce-webchat.vue b/src/digital-components/salesforce-webchat/salesforce-webchat.vue
index 2cac40833..20ac8e44f 100644
--- a/src/digital-components/salesforce-webchat/salesforce-webchat.vue
+++ b/src/digital-components/salesforce-webchat/salesforce-webchat.vue
@@ -34,6 +34,29 @@ export default {
         script.src = "https://service.force.com/embeddedservice/5.0/esw.min.js";
         script.onload = this.initializeSalesforceWebchat;
         document.body.appendChild(script);
+
+        // Notify funnel-header about Salesforce chat open/close state
+        this._salesforceChatOpenObserver = new MutationObserver(() => {
+            const isOpen = !!document.querySelector(".embeddedServiceSidebar");
+            window.dispatchEvent(
+                new CustomEvent("salesforce-chat-visibility", { detail: { open: isOpen } })
+            );
+        });
+        this._salesforceChatOpenObserver.observe(document.body, {
+            childList: true,
+            subtree: true,
+        });
+    },
+    beforeUnmount() {
+        // Clean up event listeners and observers
+        window.removeEventListener(
+            "salesforce-chat-visibility",
+            this._handleSalesforceChatVisibility
+        );
+        window.removeEventListener("sierra-chat-transfer", this._handleSierraToSalesforceTransfer);
+        if (this._salesforceChatOpenObserver) {
+            this._salesforceChatOpenObserver.disconnect();
+        }
     },
     methods: {
         initializeSalesforceWebchat() {
diff --git a/src/digital-components/sierra-webchat/sierra-webchat.vue b/src/digital-components/sierra-webchat/sierra-webchat.vue
index 0d686202f..e12ab053e 100644
--- a/src/digital-components/sierra-webchat/sierra-webchat.vue
+++ b/src/digital-components/sierra-webchat/sierra-webchat.vue
@@ -93,7 +93,6 @@ export default {
                         Email: transfer.data.email,
                         Subject: transfer.data.chat_summary, // for now passing in chat_summery in Subject. But this will be changed in future.
                     };
-                    // Start chat immediately if required fields are present
                     if (
                         window.embedded_svc.liveAgentAPI &&
                         typeof window.embedded_svc.liveAgentAPI.startChat === "function"
@@ -106,10 +105,25 @@ export default {
             }
         };
         window.addEventListener("sierra-chat-transfer", this._handleSierraTransfer);
+
+        // Notify funnel-header about Sierra chat open/close state
+        this._sierraChatContainerObserver = new MutationObserver(() => {
+            const isOpen = !!document.querySelector("[data-sierra-chat-container]");
+            window.dispatchEvent(
+                new CustomEvent("sierra-chat-visibility", { detail: { open: isOpen } })
+            );
+        });
+        this._sierraChatContainerObserver.observe(document.body, {
+            childList: true,
+            subtree: true,
+        });
     },
     beforeUnmount() {
         window.removeEventListener("launch-sierra-webchat", this.triggerSierraChat);
         window.removeEventListener("sierra-chat-transfer", this._handleSierraTransfer);
+        if (this._sierraChatContainerObserver) {
+            this._sierraChatContainerObserver.disconnect();
+        }
     },
 };
 </script>
diff --git a/src/experiment-components/donation-block.vue b/src/experiment-components/donation-block.vue
index 30fe9f8ed..0e14588d7 100644
--- a/src/experiment-components/donation-block.vue
+++ b/src/experiment-components/donation-block.vue
@@ -208,8 +208,9 @@ export default {
         justify-content: center;
         background: $blue-100;
         border-radius: 3rem;
-        box-shadow: 0px 0px 4px 1px rgba(0, 112, 209, 1) inset;
+        box-shadow: inset 0px 2px 4px 0px rgba(0, 112, 209, 0.2);
         font-size: 0.875rem;
+        border: 1px solid $blue;
         .label {
             position: relative;
             display: inline-flex;
@@ -231,7 +232,7 @@ export default {
             left: -2rem;
             background: $blue;
             border-radius: 3rem;
-            box-shadow: 0px 0px 0px 1px rgba(0, 112, 209, 1) inset;
+            box-shadow: 0px 3px 4px 0px rgba(66, 68, 90, 0.2);
             transition: transform 750ms cubic-bezier(0.02, 0.94, 0.09, 0.97);
             transform: translate3d(2rem, 0, 0);
         }
diff --git a/src/fmg-components/funnel-header/funnel-header.vue b/src/fmg-components/funnel-header/funnel-header.vue
index fc77336d3..f7d55b354 100644
--- a/src/fmg-components/funnel-header/funnel-header.vue
+++ b/src/fmg-components/funnel-header/funnel-header.vue
@@ -55,6 +55,8 @@ export default {
         return {
             globalAlertMessages: [],
             sierraChatOpen: false,
+            salesforceChatOpen: false,
+            isSalesforceTransferInProgress: false,
         };
     },
     props: {
@@ -73,16 +75,19 @@ export default {
             return this.getCmsContent(this.cmsWidgetName, "LogoImage");
         },
         shouldShowWebchatButton() {
-            // Always update experiment flag before computing visibility
-            this.syncSierraExperimentFlag();
-            // Show if Sierra experiment is active and chat is not open
-            if (this.webchatGlobalNonpersistedState.shouldLaunchSierra) {
-                return !this.sierraChatOpen;
+            // Hide the chat icon if Sierra chat is open
+            if (this.sierraChatOpen) {
+                return false;
             }
-            // Otherwise, use Salesforce logic
+            // Hide the chat icon if Salesforce chat is open or transfer is in progress
+            if (this.salesforceChatOpen || this.isSalesforceTransferInProgress) {
+                return false;
+            }
+            // Show if either Sierra is enabled or Salesforce button is available and not hidden by page
             return (
-                !this.shouldHideWebchatButtonOnPage &&
-                this.webchatGlobalNonpersistedState.showWebchatButton
+                (this.webchatGlobalNonpersistedState.shouldLaunchSierra ||
+                    this.webchatGlobalNonpersistedState.showWebchatButton) &&
+                !this.shouldHideWebchatButtonOnPage
             );
         },
     },
@@ -123,6 +128,7 @@ export default {
         progressBar,
     },
     mounted() {
+        this.syncSierraExperimentFlag();
         // Check if alert event is on the bus
         const alertEvent = eventBus.readAndPopEventFromBus(
             globalEvents.Categories.GLOBAL_ALERT,
@@ -144,14 +150,47 @@ export default {
             unknownAlertEvent.displayAlert = true;
             this.globalAlertMessages.push(unknownAlertEvent);
         }
-        // Listen for Sierra chat close event to re-enable the chat button if needed
-        this._handleSierraChatClosed = () => {
-            this.sierraChatOpen = false;
+        // Listen for Sierra chat open/close events from sierra-webchat
+        this._handleSierraChatVisibility = (event) => {
+            this.sierraChatOpen = !!(event.detail && event.detail.open);
+            if (this.sierraChatOpen) {
+                this.isSalesforceTransferInProgress = false;
+            }
         };
-        window.addEventListener("sierra-chat-closed", this._handleSierraChatClosed);
+        window.addEventListener("sierra-chat-visibility", this._handleSierraChatVisibility);
+
+        // Listen for Salesforce chat open/close events from salesforce-webchat
+        this._handleSalesforceChatVisibility = (event) => {
+            this.salesforceChatOpen = !!(event.detail && event.detail.open === true);
+        };
+        window.addEventListener("salesforce-chat-visibility", this._handleSalesforceChatVisibility);
+
+        // Listen for transfer event to set transfer-in-progress flag
+        this._handleSierraToSalesforceTransfer = () => {
+            this.isSalesforceTransferInProgress = true;
+        };
+        window.addEventListener("sierra-chat-transfer", this._handleSierraToSalesforceTransfer);
+
+        // Reset transfer flag when Salesforce chat opens
+        this._handleSalesforceChatOpened = (event) => {
+            if (event.detail && event.detail.open === true) {
+                this.isSalesforceTransferInProgress = false;
+                this.salesforceChatOpen = true;
+            } else {
+                this.salesforceChatOpen = false;
+            }
+        };
+        window.addEventListener("salesforce-chat-visibility", this._handleSalesforceChatOpened);
     },
     beforeUnmount() {
         window.removeEventListener("sierra-chat-closed", this._handleSierraChatClosed);
+        window.removeEventListener("sierra-chat-visibility", this._handleSierraChatVisibility);
+        window.removeEventListener(
+            "salesforce-chat-visibility",
+            this._handleSalesforceChatVisibility
+        );
+        window.removeEventListener("sierra-chat-transfer", this._handleSierraToSalesforceTransfer);
+        window.removeEventListener("salesforce-chat-visibility", this._handleSalesforceChatOpened);
     },
 };
 </script>
diff --git a/src/router/methods/before-each.js b/src/router/methods/before-each.js
index cae308ccb..e742f89ff 100644
--- a/src/router/methods/before-each.js
+++ b/src/router/methods/before-each.js
@@ -14,6 +14,7 @@ import { checkLogParam } from "@/helpers/debug-log-helper";
 import { debugLog } from "@/helpers/debug-log-helper";
 import { handleHeritageReturn } from "@/router/methods/helpers/handle-heritage-return";
 import { isVirtualRoute } from "@/router/methods/helpers/is-virtual-route";
+import router from "@/router";
 
 export async function beforeEach(to, from) {
     try {
@@ -49,6 +50,9 @@ export async function beforeEach(to, from) {
             const exceptionPages = [FUNNEL_START_PAGE.name, routeData.CONFIRMATION.name];
 
             if (!exceptionPages.some((name) => to.name === name) && !isVirtualRoute(to.name)) {
+                router.push({
+                    name: routeData.CONFIRMATION.name,
+                });
                 return false;
             }
         }
diff --git a/src/router/methods/error.js b/src/router/methods/error.js
index f9f20c19d..06eea69b0 100644
--- a/src/router/methods/error.js
+++ b/src/router/methods/error.js
@@ -1,17 +1,19 @@
 import analyticsMixin from "@/mixins/analytics-mixin";
 import { routeData } from "@/router/constants/routes";
 import router from "@/router";
+import store from "@/store";
+import { storeActions } from "@/constants/store-actions";
+import { deleteFunnelCookie } from "@/helpers/heritage-integration/cookie-helper";
 
 export async function bailout(errorPayload, forceRestart = false) {
+    if (forceRestart) {
+        await store.dispatch(storeActions.RESET_STATE);
+        deleteFunnelCookie();
+    }
+
     analyticsMixin.methods.pushPageErrorToDataLayer(errorPayload);
 
-    if (forceRestart) {
-        router.push({
-            name: routeData.RESTART.name,
-        });
-    } else {
-        router.push({
-            name: routeData.ERROR.name,
-        });
-    }
+    router.push({
+        name: routeData.ERROR.name,
+    });
 }