Improve home page layout and typography

- Fix feature cards layout: 2 columns desktop, 1 mobile with consistent sizing
- Add Google Fonts: Merriweather for headings, Lato for body text
- Improve card content structure and spacing
- Center feature cards and stats section for better alignment
- Group all card content (icon, title, description) in single container
- Set fixed card dimensions (400px max width, 280px height)
- Add text overflow handling for descriptions (3 lines max)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

lib/fonts.ts

@@ -0,0 +1,15 @@
+import { Merriweather, Lato } from 'next/font/google'
+
+export const merriweather = Merriweather({
+  subsets: ['latin'],
+  weight: ['300', '400', '700', '900'],
+  variable: '--font-merriweather',
+  display: 'swap',
+})
+
+export const lato = Lato({
+  subsets: ['latin'],
+  weight: ['300', '400', '700', '900'],
+  variable: '--font-lato',
+  display: 'swap',
+})