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/components/ui/StackedCubesLight.tsx

@@ -35,8 +35,8 @@ const stackData = [
 ];
 
 export function StackedCubesLight() {
-  const [active, setActive] = useState<string | null>("agent");
-  const [selectedForMobile, setSelectedForMobile] = useState<string | null>("agent");
+  const [active, setActive] = useState<string | null>("network");
+  const [selectedForMobile, setSelectedForMobile] = useState<string | null>("network");
 
   const handleCubeClick = (id: string) => {
     setSelectedForMobile((prev) => (prev === id ? null : id));
@@ -49,10 +49,10 @@ export function StackedCubesLight() {
   return (
     <div className="flex flex-col items-center relative">
       {/* ✨ Ambient cyan-white gradient background */}
-      <div className="absolute inset-0 bg-gradient-to-b from-white via-cyan-50/40 to-white blur-3xl opacity-70 pointer-events-none" />
+      <div className="absolute inset-0 bg-gradient-to-b from-white via-cyan-50/30 to-white blur-3xl opacity-70 pointer-events-none" />
       <div
         className="relative w-full flex items-center justify-center lg:justify-center min-h-[450px] lg:min-h-[400px]"
-        onMouseLeave={() => setActive("agent")}
+        onMouseLeave={() => setActive("network")}
       >
         <motion.div
           className="relative lg:pl-0 pl-6 h-[300px] lg:h-[400px] w-64 sm:w-80 lg:w-96"
@@ -77,8 +77,8 @@ export function StackedCubesLight() {
               <div
                 className={`absolute inset-0 blur-2xl rounded-3xl transition-all duration-500 ${
                   active === layer.id
-                    ? "bg-cyan-300/40 opacity-70"
-                    : "bg-cyan-200/20 opacity-40"
+                    ? "bg-cyan-300/20 opacity-20"
+                    : "bg-cyan-200/20 opacity-20"
                 }`}
               />
               <CubeLight