Refactor header and layout components, remove About page, and introduce Background component for improved UI structure

apps/frontend/src/features/booking/components/booking-mobile.tsx

@@ -209,29 +209,6 @@ function MobileTopBar() {
                 </div>
               </div>
 
-              <nav className="flex flex-col gap-1">
-                <Button
-                  variant="ghost"
-                  className="justify-start rounded-lg"
-                  onClick={() => {
-                    setOpen(false);
-                    void navigate({ to: '/' });
-                  }}
-                >
-                  Inicio
-                </Button>
-                <Button
-                  variant="ghost"
-                  className="justify-start rounded-lg"
-                  onClick={() => {
-                    setOpen(false);
-                    void navigate({ to: '/about' });
-                  }}
-                >
-                  About
-                </Button>
-              </nav>
-
               <Button
                 className="rounded-lg shadow-lg shadow-primary/20"
                 onClick={() => {