refactor: improve punctuation and grammar consistency across components

- Replaced em dashes with commas for better readability in descriptions
- Standardized punctuation in aria-labels (changed "—" to ",")
- Removed unnecessary em dashes in favor of commas or removed punctuation
- Fixed inconsistent spacing around punctuation marks
- Improved sentence flow in multiple component descriptions

src/pages/cloud/CloudIntro.tsx

@@ -96,7 +96,7 @@ export function CloudIntro() {
           <H3 color="white">What You Can Run on Mycelium Cloud</H3>
 
           <P className="max-w-3xl text-gray-400 mt-6">
-            Host nodes, deploy workloads, or build private AI systems — all on
+            Host nodes, deploy workloads, or build private AI systems all on
             infrastructure you own and control. Mycelium gives you scalable compute,
             secure storage, and sovereign orchestration without depending on
             hyperscalers.