Responsible note: one line, same hue and size as the hero description

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

src/app.rs

@@ -291,9 +291,7 @@ fn ResponsibleNote(responsible: Responsible) -> impl IntoView {
 
     view! {
         <p class="question-responsible">
-            "Asked by " {responsible.name.clone()}
-            <br/>
-            "— "
+            "Asked by " {responsible.name.clone()} " — "
             <a data-user=user data-domain=domain on:mouseover=assemble on:click=assemble>
                 "contact them"
             </a>

style/main.css

@@ -269,10 +269,12 @@ main.not-found {
   border-bottom-color: var(--accent);
 }
 
+/* Same hue and size as the hero description it sits under - one line,
+   reading as part of the question's own text. */
 .question-responsible {
   text-align: center;
   color: var(--ink-dim);
-  font-size: 0.85rem;
+  font-size: 1.05rem;
   line-height: 1.6;
   margin: 0.6rem 1rem 1.8rem;
 }