ui(avbeat): /advertise 'Request Media Kit' CTA → media-kit page on relevantmediaproperties.com

src/app/advertise/page.tsx:55 — hero CTA was pointing at the in-page
anchor '#contact'. Swapped to absolute URL
https://relevantmediaproperties.com/av-beat---media-kit (the AV Beat
media-kit landing). target=_blank + rel=noopener so the article tab
isn't replaced.

src/app/advertise/page.tsx

@@ -52,7 +52,9 @@ export default function AdvertisePage() {
             AV Beat is the leading digital platform for pro AV, live production, and display tech professionals. Connect your brand with decision-makers, integrators, and executives across the pro AV industry.
           </p>
           <a
-            href="#contact"
+            href="https://relevantmediaproperties.com/av-beat---media-kit"
+            target="_blank"
+            rel="noopener"
             className="btn-subscribe py-3 px-8 text-base inline-block">
             Request Media Kit
           </a>