feat: Apple-grade pass — scale, type, photographic hero, de-noise, single-signal chrome, lighter header

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012jWfn3RwPfFGTtBddm36Uy

src/pages/search.astro

@@ -2,16 +2,14 @@
 import Base from '../layouts/Base.astro';
 ---
 <Base title="CTAO Science Portal — Search" description="Search CTAO news and announcements">
-  <section class="hero-band">
-    <div class="band-bg" aria-hidden="true"></div>
-    <div class="container hero">
-      <div class="eyebrow">Science Portal</div>
-      <h1>Search</h1>
-      <p>Find news and announcements</p>
-    </div>
-  </section>
-
+  {/* Utility archetype: ONE surface per page — Moon canvas from the landing
+      head down (borderless cards/panels pop against it); editorial pages stay
+      all-white. No mid-page surface seams (DESIGN.md). */}
   <section class="band--moon">
+    <header class="container page-head">
+      <h1>Search</h1>
+      <p class="standfirst">Find news and announcements.</p>
+    </header>
     <div class="container page">
     <form class="search-form" role="search" action="/search" method="get">
       <label class="sr-only" for="q">Search news</label>