feat(landing): add Cloudflare + security-headers trust badges to footer

Was implemented and locally verified earlier this session but never
committed/deployed before moving on to the CSP work — closing that gap.

src/components/landing/LandingFooter.tsx

@@ -1,6 +1,6 @@
 import { getTranslations } from "next-intl/server";
 import Link from "next/link";
-import { PawPrint } from "lucide-react";
+import { PawPrint, Cloud, ShieldCheck } from "lucide-react";
 
 /**
  * Shared footer for the public landing page and "Über uns" (Gitea #23) —
@@ -30,9 +30,31 @@ export async function LandingFooter() {
           </nav>
         </div>
 
-        <div className="mt-10 flex flex-col items-center justify-between gap-2 border-t border-border/60 pt-6 text-xs text-muted-foreground sm:flex-row">
-          <span>© {new Date().getFullYear()} PawFeed</span>
-          <span>{t("footerDesignedBy")}</span>
+        <div className="mt-10 border-t border-border/60 pt-6">
+          <div className="flex flex-wrap items-center justify-center gap-x-5 gap-y-2 pb-4 text-xs text-muted-foreground sm:justify-start">
+            <a
+              href="https://www.cloudflare.com"
+              target="_blank"
+              rel="noopener noreferrer"
+              className="flex items-center gap-1.5 transition-colors hover:text-foreground"
+            >
+              <Cloud className="h-3.5 w-3.5" aria-hidden="true" />
+              {t("footerCloudflareBadge")}
+            </a>
+            <a
+              href="https://securityheaders.com/?q=pawfeed.org"
+              target="_blank"
+              rel="noopener noreferrer"
+              className="flex items-center gap-1.5 transition-colors hover:text-foreground"
+            >
+              <ShieldCheck className="h-3.5 w-3.5 text-green-500" aria-hidden="true" />
+              {t("footerSecurityBadge")}
+            </a>
+          </div>
+          <div className="flex flex-col items-center justify-between gap-2 text-xs text-muted-foreground sm:flex-row">
+            <span>© {new Date().getFullYear()} PawFeed</span>
+            <span>{t("footerDesignedBy")}</span>
+          </div>
         </div>
       </div>
     </footer>