step 1, 2 and 3 of the implementation plan

routes/web.php

@@ -1,11 +1,19 @@
 <?php
 
+declare(strict_types=1);
+
+use App\Http\Controllers\Auth\SocialiteController;
 use Illuminate\Support\Facades\Route;
+use Inertia\Inertia;
 
-Route::get('/', function () {
-    return view('welcome');
-});
+Route::get('/', fn () => Inertia::render('Landing'))->name('landing');
 
+// Authentication routes
+Route::get('/login', [SocialiteController::class, 'redirect'])->name('login');
+Route::get('/auth/callback', [SocialiteController::class, 'callback']);
+Route::post('/logout', [SocialiteController::class, 'logout'])->name('logout')->middleware('auth');
+
+// Dev auto-login route
 if (app()->environment('local', 'testing')) {
     Route::get('/login-jonathan', function () {
         $user = \App\Models\User::where('email', 'jonathan@blijnder.nl')->first();
@@ -17,6 +25,6 @@
 
         auth()->login($user);
 
-        return redirect('/cp');
+        return redirect('/');
     });
 }