AV launch: rewrite newsletter signup + home description for pro AV industry (InfoComm/ISE), not broadcast (NAB/IBC)

src/app/home-page/page.tsx

@@ -14,7 +14,7 @@ import CompanyMentionsHover from "@/components/CompanyMentionsHover";
 
 export const metadata: Metadata = {
   title: 'AV Beat — Broadcast Engineering News & Insights',
-  description: 'The digital platform for broadcast engineering professionals. Breaking news, deep-dive features, and industry spotlights from NAB to IBC and beyond.',
+  description: 'The digital platform for pro AV, live production, and display tech professionals. Breaking news, deep-dive features, and industry spotlights from InfoComm to ISE and beyond.',
   alternates: {
     canonical: '/',
   },

src/app/newsletter/archive/page.tsx

@@ -192,7 +192,7 @@ function SignupCTA() {
         Never Miss an Issue
       </h3>
       <p className="font-body text-[#777] text-sm text-center mb-6">
-        Get the latest broadcast industry news delivered to your inbox.
+        Get the latest pro AV industry news delivered to your inbox.
       </p>
 
       {status === "success" ? (