feat: adjust register and login buttons

frontend/src/app/feature/landing/landing.component.html

@@ -21,13 +21,7 @@
               (click)="showRegisterForm()"
               class="w-full sm:w-auto button-primary px-6 sm:px-8 py-3 shadow-lg"
             >
-              Konto erstellen
-            </button>
-            <button
-              (click)="showLoginForm()"
-              class="w-full sm:w-auto bg-slate-700 text-white hover:bg-slate-600 px-6 sm:px-8 py-3 shadow-lg rounded"
-            >
-              Anmelden
+              Jetzt registrieren
             </button>
           }
         </div>

frontend/src/app/shared/components/navbar/navbar.component.html

@@ -40,15 +40,7 @@
             (click)="showRegister.emit()"
             class="flex items-center px-4 py-2 bg-emerald-600 text-white font-medium rounded-lg hover:bg-emerald-500 transition-colors duration-200"
           >
-            <svg class="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-              <path
-                stroke-linecap="round"
-                stroke-linejoin="round"
-                stroke-width="2"
-                d="M18 9v3m0 0v3m0-3h3m-3 0h-3m-2-5a4 4 0 11-8 0 4 4 0 018 0zM3 20a6 6 0 0112 0v1H3v-1z"
-              />
-            </svg>
-            Registrieren
+            Jetzt registrieren
           </button>
         }