refactor: update cyan accent colors from cyan-400 to cyan-500 across multiple components for improved contrast

- Changed AgentBento subtitle text from text-cyan-400 to text-cyan-500
- Changed CloudIntro key capabilities label from text-cyan-400 to text-cyan-500
- Changed ComputeCapabilities eyebrow from text-cyan-400 to text-cyan-500
- Changed GpuCapabilities link from text-cyan-400/hover:text-cyan-300 to text-cyan-500/hover:text-cyan-400
- Changed GpuOverview eyebrow from text-cyan-400 to text-cyan-500

src/pages/gpu/GpuCapabilities.tsx

@@ -84,7 +84,7 @@ export function GpuCapabilities() {
                   <div className="flex items-center gap-x-4 mt-3">
                     <a
                       href="#"
-                      className="inline-flex items-center gap-1 text-cyan-400 hover:text-cyan-300 text-sm font-medium mr-auto"
+                      className="inline-flex items-center gap-1 text-cyan-500 hover:text-cyan-400 text-sm font-medium mr-auto"
                     >
                       Learn more →
                     </a>

src/pages/gpu/GpuOverview.tsx

@@ -42,7 +42,7 @@ export function GpuOverview() {
       <div className="relative mx-auto max-w-7xl border border-t-0 border-b-0 border-gray-800 bg-[#111111] py-12">
         <Container>
           <div className="mx-auto max-w-3xl text-center">
-            <Eyebrow className="text-cyan-400 tracking-[0.32em] uppercase">
+            <Eyebrow className="text-cyan-500 tracking-[0.32em] uppercase">
               PLATFORM OVERVIEW
             </Eyebrow>