diff --git a/src/main.cpp b/src/main.cpp
index d5dfa55..7cee294 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -7,6 +7,7 @@
 #include "logical_size.h"
 #include "logger/logger.h"
 #include "provisioning.h"
+#include "scroller_page.h"
 
 namespace {
 // How long audio fades out before the app tears down on quit. Only applied
@@ -201,11 +202,15 @@ SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event) {
 							std::to_string(event->window.data1) + "x" +
 							std::to_string(event->window.data2));
 		// Logical presentation persists across resizes; re-apply defensively
-		// in case backend state was reset underneath us.
-		SDL_SetRenderLogicalPresentation(state.renderer,
-										 radiantwave::kDesignWidth,
-										 radiantwave::kDesignHeight,
-										 SDL_LOGICAL_PRESENTATION_LETTERBOX);
+		// in case backend state was reset underneath us.  Skip while the
+		// scroller is active — it owns its own presentation (NONE, full
+		// window) and restores LETTERBOX in onPop.
+		if (!dynamic_cast<ScrollerPage *>(state.pages.current())) {
+			SDL_SetRenderLogicalPresentation(state.renderer,
+											 radiantwave::kDesignWidth,
+											 radiantwave::kDesignHeight,
+											 SDL_LOGICAL_PRESENTATION_LETTERBOX);
+		}
 	}
 
 	if (!state.keybinds.handleEvent(*event)) {
diff --git a/src/scroller_page.cpp b/src/scroller_page.cpp
index 3903e8e..6c6dc79 100644
--- a/src/scroller_page.cpp
+++ b/src/scroller_page.cpp
@@ -34,13 +34,37 @@ void ScrollerPage::onPush(AppState &state)
 {
     state_ = &state;
 
-    int winW = 0;
-    int winH = 0;
-    radiantwave::getLayoutSize(state.renderer, &winW, &winH);
-    screenW_ = static_cast<float>(winW);
-    screenH_ = static_cast<float>(winH);
-    // Lines are capped at the full screen width; the widest Fibonacci lines are
-    // sized to fill it with whole words (peak word count derived from the
+    // Save the current logical presentation (LETTERBOX at design resolution)
+    // and switch to NONE so we render into the full physical window.  This
+    // lets the scroller scroll the entire vertical extent of tall/rotated
+    // displays while keeping text at the same pixel scale.  onPop restores
+    // the original presentation for other pages.
+    SDL_GetRenderLogicalPresentation(state.renderer, &savedLogicalW_,
+                                     &savedLogicalH_, &savedMode_);
+
+    SDL_Window *window = SDL_GetRenderWindow(state.renderer);
+    int windowW = 0;
+    int windowH = 0;
+    if (window)
+    {
+        SDL_GetWindowSize(window, &windowW, &windowH);
+    }
+    if (windowW <= 0)
+    {
+        windowW = radiantwave::kDesignWidth;
+    }
+    if (windowH <= 0)
+    {
+        windowH = radiantwave::kDesignHeight;
+    }
+
+    SDL_SetRenderLogicalPresentation(state.renderer, windowW, windowH,
+                                     SDL_LOGICAL_PRESENTATION_DISABLED);
+
+    screenW_ = static_cast<float>(windowW);
+    screenH_ = static_cast<float>(windowH);
+    // Lines are capped at the full screen width; the widest Fibonacci lines
+    // are sized to fill it with whole words (peak word count derived from the
     // screen), independent of resolution.
     maxLineWidth_ = screenW_;
 
@@ -101,6 +125,11 @@ void ScrollerPage::onPause(AppState &state)
 
 void ScrollerPage::onPop(AppState &state)
 {
+    // Restore the original logical presentation so other pages (Home,
+    // Settings, etc.) render in the design-resolution LETTERBOX space.
+    SDL_SetRenderLogicalPresentation(state.renderer, savedLogicalW_,
+                                     savedLogicalH_, savedMode_);
+
     state.audio.stopTrackFadeOut(kFadeSeconds);
     state.keybinds.unbindAll();
     destroyResources();
diff --git a/src/scroller_page.h b/src/scroller_page.h
index 4160cae..0ccd429 100644
--- a/src/scroller_page.h
+++ b/src/scroller_page.h
@@ -115,4 +115,8 @@ private:
     float velocityDelay_ = 2.5f;
     int velocityState_ = 0;
     float velocityTimer_ = 0.0f;
+
+    int savedLogicalW_ = 0;
+    int savedLogicalH_ = 0;
+    SDL_RendererLogicalPresentation savedMode_ = SDL_LOGICAL_PRESENTATION_DISABLED;
 };