refactor: standardize background color to #121212

- Replaced inconsistent gray-900 and #171717 background colors with unified #121212 across all pages
- Removed unused imports from multiple component files
- Cleaned up trailing spaces in className attributes

src/pages/compute/CallToAction.tsx

@@ -5,7 +5,7 @@ import { Button } from "@/components/Button";
 
 export function CallToAction() {
   return (
-    <section className="relative overflow-hidden bg-gray-900">
+    <section className="relative overflow-hidden bg-[#121212] ">
       {/* ✅ Top horizontal line with spacing */}
       <div className="max-w-7xl bg-[#111111] mx-auto py-6 border border-t-0 border-b-0 border-gray-800"></div>
       <div className="w-full border-t border-l border-r border-gray-800" />

src/pages/compute/ComputeArchitecture.tsx

@@ -55,9 +55,9 @@ const deterministicCards = [
 
 export function ComputeArchitecture() {
   return (
-    <section className="relative w-full bg-[#171717] overflow-hidden">
+    <section className="relative w-full bg-[#121212] overflow-hidden">
       {/* ✅ Top horizontal line */}
-      <div className="max-w-7xl bg-[#171717] mx-auto py-6 border border-t-0 border-b-0 border-gray-800"></div>
+      <div className="max-w-7xl bg-[#121212] mx-auto py-6 border border-t-0 border-b-0 border-gray-800"></div>
       <div className="w-full border-t border-l border-r border-gray-800" />
 
       <div className="mx-auto bg-[#111111] max-w-2xl px-6 lg:max-w-7xl lg:px-10 border border-t-0 border-b-0 border-gray-800">

src/pages/compute/ComputeCodeTabs.tsx

@@ -72,7 +72,7 @@ export function ComputeCodeTabs() {
         />
 
         <div className="mx-auto max-w-2xl sm:mx-0 sm:max-w-none">
-          <div className="w-screen overflow-hidden rounded-tl-xl bg-gray-900 ring-1 ring-white/10">
+          <div className="w-screen overflow-hidden rounded-tl-xl bg-[#121212]  ring-1 ring-white/10">
 
             {/* FILE TABS */}
             <div className="flex bg-gray-800/40 ring-1 ring-white/5">

src/pages/compute/archive/ComputeDeveloperExperience.tsx

@@ -99,7 +99,7 @@ export function ComputeDeveloperExperience() {
                   {sample.description}
                 </p>
               </div>
-              <div className="mt-auto bg-gray-900 p-6">
+              <div className="mt-auto bg-[#121212]  p-6">
                 <pre className="overflow-auto text-left text-xs leading-relaxed text-cyan-100">
                   <code>{sample.code}</code>
                 </pre>