Update Astro configuration for SSR support and refactor homepage layout. Added server adapter and standalone mode. Replaced Header component with a custom header, updated page titles, and improved styling for navigation and footer.

astro.config.mjs

@@ -2,14 +2,22 @@
 import { defineConfig } from 'astro/config';
 
 import tailwindcss from '@tailwindcss/vite';
-
 import react from '@astrojs/react';
+import node from '@astrojs/node'; // ✅ Required for SSR build
 
 // https://astro.build/config
 export default defineConfig({
+  output: 'server', // ✅ Use server mode to generate dist/server/entry.mjs
+
+  adapter: node({
+    mode: 'standalone', // ✅ Ensures entry.mjs includes everything needed
+  }),
+
+  integrations: [
+    react()
+  ],
+
   vite: {
     plugins: [tailwindcss()]
-  },
-
-  integrations: [react()]
+  }
 });