refactor: convert agent bento cards from videos to React animation components

- Replaced video paths with imported animation components (Fungistor, Herodb, MOSSandboxes, etc.)
- Added new AgentDesign and AgentUseCase sections to agents page
- Updated hero copy to emphasize private, sovereign AI and 2026 timeline
- Reorganized page layout with new sections between existing components

src/pages/agents/CallToAction.tsx

@@ -18,11 +18,14 @@ export function CallToAction() {
         <Container className="relative">
           <div className="mx-auto max-w-3xl text-center">
             <h2 className="text-3xl lg:text-4xl font-medium tracking-tight text-white sm:text-4xl">
-              Start Building the Future of Sovereign AI
+              Start with Mycelium Today
             </h2>
 
             <p className="mt-6 text-lg text-gray-300">
-              Use today’s components — models, storage, compute, mesh — and step into agents as they arrive.
+              The Agent Framework launches in H1 2026, but the foundation is ready now.
+            </p>
+            <p className="mt-6 text-lg text-gray-300">
+              Use today’s components —models, storage, compute, and network— to deploy workloads, connect nodes, and prepare for the next generation of distributed AI.
             </p>
 
             {/* ✅ Two cards, stacked center with spacing */}