diff --git a/addons/tncsc_deployment/__manifest__.py b/addons/tncsc_deployment/__manifest__.py
index 1d5128f..3e203a1 100644
--- a/addons/tncsc_deployment/__manifest__.py
+++ b/addons/tncsc_deployment/__manifest__.py
@@ -57,6 +57,7 @@ that applies to the community_* product modules.
         ],
         'web.assets_frontend': [
             'tncsc_deployment/static/src/scss/login_theme.scss',
+            'tncsc_deployment/static/src/scss/website_navigation.scss',
         ],
         'web.assets_backend': [
             'tncsc_deployment/static/src/scss/tncsc_backend_theme.scss',
diff --git a/addons/tncsc_deployment/static/src/scss/website_navigation.scss b/addons/tncsc_deployment/static/src/scss/website_navigation.scss
new file mode 100644
index 0000000..f16d357
--- /dev/null
+++ b/addons/tncsc_deployment/static/src/scss/website_navigation.scss
@@ -0,0 +1,6 @@
+// Website editor copies can bypass the original page template overrides.
+// Match the rendered TNCSC header so those pages also have one navigation bar.
+// Pages without custom navigation keep the standard Odoo header.
+#wrapwrap:has(> main .tncsc-top-header) > header#top {
+    display: none !important;
+}