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/Header.tsx

@@ -26,7 +26,7 @@ export function Header() {
   };
 
   return (
-    <header className="bg-transparent">
+    <header className="bg-white">
       <nav className="border-b border-gray-200">
         <Container className="flex bg-transparent justify-between py-4">
           <div className="relative z-10 flex items-center gap-16">

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>