feat: update hero button styling across product pages

- Changed button background color from indigo-600 to cyan-500 for consistent branding
- Updated button border radius from rounded-md to rounded-xl for softer appearance
- Modified focus outline color from indigo-600 to cyan-600 to match new button color
- Applied changes consistently across Cloud, Compute, GPU, and Storage hero sections

src/pages/compute/ComputeHero.tsx

@@ -26,7 +26,7 @@ export function ComputeHero() {
           <div className="mt-8">
             <Button
               href="#"
-              className="inline-flex rounded-md bg-indigo-600 px-3.5 py-2.5 text-sm font-semibold text-white shadow-xs hover:bg-indigo-500 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600"
+              className="inline-flex rounded-xl bg-cyan-500 px-3.5 py-2.5 text-sm font-semibold text-white shadow-xs hover:bg-indigo-500 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-cyan-600"
             >
               {' '}
               Experience Deterministic Compute{' '}