refactor: improve NodeHero and NodeBenefits typography and layout with AnimatedSection wrappers

- Changed NodeBenefits from SectionHeader to H3 component with mt-2 and text-white
- Updated NodeBenefits description from P color="light" to text-gray-200
- Changed benefit cards border-radius from rounded-2xl to rounded-md
- Added responsive padding to benefit cards: lg:p-8 p-6
- Updated benefit description from text-gray-200 to font-light text-gray-300
- Removed NodeHero background image inline style in

src/pages/nodes/NodeHero.tsx

@@ -1,15 +1,14 @@
 'use client'
 
 import { Button } from '@/components/Button'
-import { Eyebrow, H3 } from '@/components/Texts'
+import { Eyebrow, H3, P } from '@/components/Texts'
 
 export function NodeHero() {
   return (
     <div className="">
       {/* Boxed container */}
       <div
-        className="relative mx-auto max-w-7xl border border-t-0 border-b-0 border-gray-100 bg-white overflow-hidden bg-contain bg-right bg-no-repeat"
-        style={{ backgroundImage: "url('/images/gpuhero2.png')", backgroundSize: "contain" }}
+        className="relative mx-auto max-w-7xl border border-t-0 border-b-0 border-gray-100 bg-white overflow-hidden md:bg-[url('/images/gpuhero2.png')] md:bg-contain md:bg-right md:bg-no-repeat"
       >
         {/* Inner padding */}
         <div className="px-6 py-16 lg:py-24">
@@ -18,9 +17,9 @@ export function NodeHero() {
             <H3 as="h1" className="mt-4">
               Host a Node. Power the Network.
             </H3>
-            <p className="mt-6 text-lg text-gray-800">
+            <P className="mt-6 text-gray-600">
               The Mycelium Network runs on nodes hosted by people and organizations around the world. Each node adds capacity, resilience, and sovereignty, expanding a global network for private, distributed compute and AI. 
-            </p>
+            </P>
             <div className="mt-10 flex items-center gap-x-6">
               <Button to="#node-getting-started" as="a" variant="solid" color="cyan">
                 How it works