feat: update homepage benefits messaging and value props

- Revised benefit titles and descriptions to better communicate core product values
- Changed "Sovereign" to "Sovereign by Default" to emphasize out-of-the-box functionality
- Replaced "Autonomous" with "Hackable & Open" to highlight developer-friendly nature
- Updated "Energy Efficient" to "Unbreakable by Design" focusing on resilience
- Combined cost and energy benefits into single value proposition for clearer messaging

src/pages/home/CallToAction.tsx

@@ -14,10 +14,13 @@ export function CallToAction() {
       <Container className="relative">
         <div className="mx-auto max-w-xl text-center">
           <h2 className="text-3xl lg:text-4xl font-medium tracking-tight text-white sm:text-4xl">
-            Activate Your Sovereign <br />Mycelium Stack
+            Use the Mycelium Stack Your Way
           </h2>
           <p className="mt-6 text-lg text-gray-300">
-            Mesh cloud workloads through the encrypted Mycelium Network and unlock AI experiences without ever surrendering control of your infrastructure, performance, or data.
+            Run workloads, connect environments, host nodes, and build agentic systems, all on one sovereign, self-healing network. 
+          </p>
+          <p className="mt-4 text-lg text-gray-300">
+            Start wherever you are. Scale however you choose.
           </p>
           <div className="mt-10 flex flex-wrap justify-center gap-x-6 gap-y-4">
             <Button to="/cloud" variant="solid" color="cyan">