feat: update homepage layout and color scheme

- Changed background colors from transparent/white to off-white (#fdfdfd) for softer appearance
- Removed HomeBenefits section from homepage to streamline content
- Updated header and hero section backgrounds to use consistent white color

src/components/Layout.tsx

@@ -5,7 +5,7 @@ import { Header } from './Header'
 export function Layout() {
 
   return (
-    <div className="bg-[white] antialiased relative" style={{ fontFamily: 'var(--font-inter)' }}>
+    <div className="bg-[#fdfdfd] antialiased relative" style={{ fontFamily: 'var(--font-inter)' }}>
       <div className="relative z-10">
         <Header />
         <main>