Added title screen and onboarding prompt

scenes/elevator_panel.gd

@@ -4,6 +4,7 @@ extends PanelContainer
 var current_floor := 10
 var saved_count := 0
 var doors_closing_flag := false
+var _onboarded := false
 
 # Survivors per floor: more at top, fewer as you descend
 var base_survivors := 2
@@ -28,12 +29,14 @@ func _ready():
 	screen.pulse_blocked.connect(_on_pulse_blocked)
 	screen.doors_closing.connect(_on_doors_closing)
 
-	_start_floor()
+	EventBus.game_started.connect(_start_floor)
 
 func _unhandled_input(event):
 	if event is InputEventKey and event.pressed and not event.echo:
 		if event.keycode == KEY_SPACE:
 			_on_block_pressed()
+		elif event.keycode == KEY_R:
+			get_tree().reload_current_scene()
 
 # --- Floor lifecycle ---
 
@@ -52,7 +55,18 @@ func _start_floor():
 
 	var screen = $PanelMargin/PanelColumn/Screen
 	screen.start()
-	screen.launch_pulse()  # first survivor arrives
+
+	if not _onboarded:
+		_onboarded = true
+		screen.show_onboarding("BLOCK\nIN GREEN ZONE")
+		get_tree().create_timer(3.0).timeout.connect(
+			func():
+				screen.end_onboarding()
+				screen.launch_pulse(),
+			CONNECT_ONE_SHOT
+		)
+	else:
+		screen.launch_pulse()  # first survivor arrives
 
 # --- Input ---