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/home/HomeSpotlight.tsx

@@ -34,10 +34,10 @@ export function HomeSpotlight({
           <H4 className="text-center mt-4">The Living Network of the Next Internet</H4>
 
           <H5 className="mx-auto mt-6 max-w-4xl text-center font-normal text-neutral-500">
-            A new internet is emerging — private, distributed, and self-sovereign.
+            A new internet is emerging, a private, distributed, and self-sovereign.
             Mycelium is the living network that makes it possible.
             A peer-to-peer foundation where people, data, and intelligence connect
-            directly — without intermediaries, without compromise.
+            directly without intermediaries, without compromise.
           </H5>
 
           <div className="mt-8 flex justify-center gap-6">