fix(frontend): move scroll indicator inside hero section so it anchors correctly

thoughts-frontend/components/landing-page.tsx

@@ -88,16 +88,15 @@ export function LandingPage() {
             Works with Mastodon, Pixelfed & more
           </div>
         </div>
-      </section>
-
         {/* Scroll indicator */}
-      <div className="absolute bottom-8 left-0 right-0 z-10 flex justify-center">
+        <div className="absolute bottom-8 left-0 right-0 flex justify-center">
           <ChevronDown
             className="animate-float-bob text-muted-foreground/60"
             size={28}
             strokeWidth={1.5}
           />
         </div>
+      </section>
 
       {/* ── Section 2: Features ── */}
       <section className="relative z-10 container mx-auto max-w-3xl px-4 py-16">