feat: update UI styling and add new page images

- Added new WebP images for different pages (agent, cloud, compute, gpu, network, storage)
- Updated benefits section images with optimized WebP versions
- Enhanced text styling:
  - Increased paragraph font size to text-xl on large screens
  - Adjusted H5 line height for better readability
  - Updated card paragraph text size to text-base
- Refined visual design elements:
  - Changed cube stroke color to gray-600 for subtler appearance
  - Adjusted glow effects and gradients to

src/pages/home/StackSection.tsx

@@ -7,7 +7,7 @@ import { FadeIn } from "@/components/ui/FadeIn";
 
 export function StackSectionLight() {
   return (
-    <section className="relative w-full overflow-hidden py-24 lg:py-40 isolate">
+    <section className="relative w-full overflow-hidden py-24 isolate">
       {/* === Background Layer === */}
       <div className="absolute inset-0 z-0 bg-transparent">
         {/* Central main aura */}
@@ -15,7 +15,7 @@ export function StackSectionLight() {
           className="absolute left-1/2 top-1/2 -translate-x-1/2 -translate-y-1/2 w-[1200px] h-[1200px] rounded-full pointer-events-none"
           style={{
             background:
-              "radial-gradient(circle, rgba(180,255,255,0.55) 0%, rgba(0,210,255,0.35) 35%, rgba(255,255,255,0) 55%)",
+              "radial-gradient(circle, rgba(180,255,255,0.55) 0%, rgba(0,210,255,0.35) 5%, rgba(255,255,255,0) 10%)",
             filter: "blur(140px)",
           }}
           animate={{