feat(15d): complete localization of full-guide page to PT

.agents/templates/pages/chapter.astro

@@ -28,25 +28,30 @@ const lang = 'en'; // TODO: wire to the language toggle decision (task 03)
   </section>
 
   <GridGroup label="Chapter sections" columns={3}>
-    {chapter.data.sections.map((section) => (
-      <StaticBlock
-        eyebrow={section.eyebrow[lang]}
-        title={section.title[lang]}
-        body={section.body[lang]}
-      />
-    ))}
+    {
+      chapter.data.sections.map((section) => (
+        <StaticBlock
+          eyebrow={section.eyebrow[lang]}
+          title={section.title[lang]}
+          body={section.body[lang]}
+        />
+      ))
+    }
   </GridGroup>
 </ChapterLayout>
 
 <style>
   /* Page-level layout only. Anything reusable belongs in a component. */
-  .hero { max-width: 780px; padding: clamp(75px, 12vh, 145px) 0 85px; }
+  .hero {
+    max-width: 780px;
+    padding: clamp(75px, 12vh, 145px) 0 85px;
+  }
 
   h1 {
     margin: 16px 0 24px;
     font-size: var(--step-display);
-    line-height: .86;
-    letter-spacing: -.08em;
+    line-height: 0.86;
+    letter-spacing: -0.08em;
   }
 
   /* Georgia is a real system font and DOES render — unlike Manrope/DM Mono.
@@ -57,5 +62,9 @@ const lang = 'en'; // TODO: wire to the language toggle decision (task 03)
     font-weight: 400;
   }
 
-  .lede { max-width: 570px; color: var(--muted); line-height: 1.65; }
+  .lede {
+    max-width: 570px;
+    color: var(--muted);
+    line-height: 1.65;
+  }
 </style>