diff --git a/main/modes/routine.c b/main/modes/routine.c
index fb24dd5..6403b70 100644
--- a/main/modes/routine.c
+++ b/main/modes/routine.c
@@ -230,10 +230,15 @@ static void step_home_cb(lv_event_t *e)
 {
     (void)e;
     lisael_aac_stop();
-    lisael_ui_goto(LISAEL_MODE_HOME);
-    // The step screen is rebuilt fresh on next open_routine(); drop the ref so
-    // the next build replaces it. (It is auto-deleted on the next load_anim.)
+    lv_obj_t *old = s_step_screen;
     s_step_screen = NULL;
+    lisael_ui_goto(LISAEL_MODE_HOME);
+    // lisael_ui_goto uses auto_del=false (cached mode screens), so the transient
+    // step screen would leak without an explicit delete. Schedule it after the
+    // 250 ms slide animation finishes so it is off-screen before deletion.
+    if (old) {
+        lv_obj_delete_delayed(old, 350);
+    }
 }
 
 static void done_cb(lv_event_t *e)
@@ -331,10 +336,113 @@ static void open_routine(int ridx)
     build_step_screen();
 }
 
-// Provisional: real body lands in Task 4c (the Bravo screen).
-static void show_bravo(void)
+// --- Bravo screen (Task 4c) --------------------------------------------------
+
+// One-shot timer pointer shared between the auto-return timer and the tap
+// handler so each can cancel the other without a dangling pointer.
+static lv_timer_t *s_bravo_timer;
+
+// Return HOME from the bravo screen. Used by both the tap handler and the
+// auto-return timer. Idempotent (second call is a no-op).
+static void bravo_go_home(void)
 {
+    // Cancel the auto-return timer if the tap fired first, and vice versa.
+    if (s_bravo_timer) {
+        lv_timer_delete(s_bravo_timer);
+        s_bravo_timer = NULL;
+    }
+    // Grab and clear s_step_screen BEFORE the goto to prevent re-entry.
+    lv_obj_t *old = s_step_screen;
+    s_step_screen = NULL;
     lisael_aac_stop();
     lisael_ui_goto(LISAEL_MODE_HOME);
-    s_step_screen = NULL;
+    // lisael_ui_goto uses auto_del=false for cached mode screens, so the
+    // transient bravo screen must be freed explicitly. Schedule after 350 ms
+    // (> 250 ms slide anim) so it is already off-screen before deletion.
+    if (old) {
+        lv_obj_delete_delayed(old, 350);
+    }
+}
+
+static void bravo_home_cb(lv_event_t *e)
+{
+    (void)e;
+    bravo_go_home();
+}
+
+static void bravo_auto_return_cb(lv_timer_t *t)
+{
+    (void)t;
+    // Timer self-deletes when it is one-shot (repeat_count=1). Clear the
+    // pointer first so bravo_go_home() does not try to delete it again.
+    s_bravo_timer = NULL;
+    bravo_go_home();
+}
+
+// "Pop-in" scale animation for the star. Uses the style transform approach
+// (pattern from balloons.c pop_scale_cb) — NOT lv_image_set_scale, which
+// leaves the layout box at full size and overflows its cell (see histoires.c).
+static void bravo_scale_cb(void *var, int32_t scale)
+{
+    lv_obj_set_style_transform_scale_x((lv_obj_t *)var, scale, 0);
+    lv_obj_set_style_transform_scale_y((lv_obj_t *)var, scale, 0);
+}
+
+static void show_bravo(void)
+{
+    lv_obj_t *scr = lv_obj_create(NULL);
+    lv_obj_set_style_bg_color(scr, lv_color_hex(0xFFF4C2), 0);
+    lv_obj_set_style_bg_grad_color(scr, lv_color_hex(0xFFFFFF), 0);
+    lv_obj_set_style_bg_grad_dir(scr, LV_GRAD_DIR_VER, 0);
+
+    // Star image: pop-in from 0.33x to 1x with overshoot (bouncy feel).
+    lv_obj_t *star = lv_image_create(scr);
+    lv_image_set_src(star, &lisael_ic_star);
+    lv_obj_set_size(star, 140, 140);
+    lv_image_set_inner_align(star, LV_IMAGE_ALIGN_CONTAIN);
+    lv_obj_align(star, LV_ALIGN_CENTER, 0, -40);
+    // Pivot at centre so the scale grows in-place.
+    lv_obj_set_style_transform_pivot_x(star, 70, 0);
+    lv_obj_set_style_transform_pivot_y(star, 70, 0);
+
+    lv_anim_t a;
+    lv_anim_init(&a);
+    lv_anim_set_var(&a, star);
+    lv_anim_set_exec_cb(&a, bravo_scale_cb);
+    lv_anim_set_values(&a, LV_SCALE_NONE / 3, LV_SCALE_NONE);  // 0.33x → 1x
+    lv_anim_set_duration(&a, 400);
+    lv_anim_set_path_cb(&a, lv_anim_path_overshoot);
+    lv_anim_start(&a);
+
+    // "Bravo !" label (Fredoka large, centred below the star).
+    lv_obj_t *txt = lv_label_create(scr);
+    lv_label_set_text(txt, "Bravo !");
+    lv_obj_set_style_text_font(txt, &lisael_font_30, 0);
+    lv_obj_align(txt, LV_ALIGN_CENTER, 0, 50);
+
+    // "Accueil" button: tap returns HOME immediately (also cancels the timer).
+    lv_obj_t *home = lv_button_create(scr);
+    lv_obj_add_style(home, lisael_ui_style_button(), 0);
+    lv_obj_set_style_bg_color(home, lv_color_hex(0x1971C2), 0);
+    lv_obj_set_size(home, 200, 60);
+    lv_obj_align(home, LV_ALIGN_BOTTOM_MID, 0, -16);
+    lv_obj_add_event_cb(home, bravo_home_cb, LV_EVENT_CLICKED, NULL);
+    lv_obj_t *hl = lv_label_create(home);
+    lv_label_set_text(hl, LV_SYMBOL_HOME "  Accueil");
+    lv_obj_set_style_text_color(hl, lv_color_white(), 0);
+    lv_obj_set_style_text_font(hl, &lisael_font_24, 0);
+    lv_obj_center(hl);
+
+    // Celebratory sound (routine asset; silent fallback if absent on SD).
+    // provided by Tower routine seed
+    lisael_aac_play_file("/sdcard/routines/bravo.mp3");
+
+    // Load with fade; auto_del=true here deletes the outgoing STEP screen,
+    // which LVGL was already tracking as the active screen.
+    lv_screen_load_anim(scr, LV_SCR_LOAD_ANIM_FADE_IN, 250, 0, true);
+    s_step_screen = scr;   // track the bravo screen for explicit cleanup on return
+
+    // Auto-return after 2.2 s (one-shot timer). The tap handler deletes it.
+    s_bravo_timer = lv_timer_create(bravo_auto_return_cb, 2200, NULL);
+    lv_timer_set_repeat_count(s_bravo_timer, 1);
 }