refactor: improve CallToAction typography and AgentBento mobile layout across pages

- Added leading-normal to all CallToAction description paragraphs for better readability
- Changed AgentBento empty animation placeholder to hidden on mobile using hidden md:flex
- Reduced top margin from mt-8 to mt-6 for agents CallToAction CTA cards
- Changed "Follow Development" link margin from mt-5 to lg:mt-5 mt-0 for responsive spacing
- Applied leading-normal changes to agents, compute, gpu, home, network, nodes

src/pages/home/CallToAction.tsx

@@ -43,11 +43,11 @@ export function CallToAction() {
               Use the Mycelium Stack Your Way
             </H3>
 
-            <P className="mt-6 text-gray-300">
+            <P className="mt-6 leading-normal text-gray-300">
               Deploy infrastructure, run workloads, connect environments, and build distributed AI systems, all on one network designed for autonomy and control.
             </P>
 
-            <P className="mt-4 text-gray-300">
+            <P className="mt-4 leading-normal text-gray-300">
               Start wherever you are. Scale on your own terms.
             </P>