diff --git a/app/assets/stylesheets/site.scss b/app/assets/stylesheets/site.scss
index aebe141..6c8dae4 100644
--- a/app/assets/stylesheets/site.scss
+++ b/app/assets/stylesheets/site.scss
@@ -7,7 +7,14 @@ body {
 	/* dart-sass has no sprockets `asset-url()` helper (it would pass the
 	   function through verbatim and the browser could not resolve it), so the
 	   fingerprinted URL is injected from the layout as a custom property.
-	   See app/views/layouts/application.html.erb. */
+	   See app/views/layouts/application.html.erb.
+
+	   Heads-up: since the U3 Tailwind pass, every page view sets a
+	   content_for :body_class with a `!`-suffixed Tailwind background
+	   (bg-gradient-to-b!/bg-none! etc.), which always wins over this
+	   unlayered rule — so this bg.jpg is currently never the visible
+	   backdrop on any page. Kept as the base-layer fallback; verified
+	   pixel-identical before/after the dartsass switch. */
 	background-image: var(--site-bg-image);
 	background-repeat: repeat; 
 	background-attachment: fixed; 
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 1050129..6929ead 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -28,6 +28,10 @@
 
   # Store uploaded files on the local file system (see config/storage.yml for options).
   config.active_storage.service = :local
+  # This app has no Active Storage attachments at all; without this, every
+  # production boot logs a "Generating image variants require the
+  # image_processing gem" notice.
+  config.active_storage.variant_processor = :disabled
 
   # Assume all access to the app is happening through a SSL-terminating reverse proxy.
   # Can be used together with config.force_ssl for Strict-Transport-Security and secure cookies.