diff --git a/render.js b/render.js
index 9d437a9..42f2dca 100644
--- a/render.js
+++ b/render.js
@@ -1,7 +1,7 @@
 // Camera, viewport, sprites and all drawing. Owns the crowd dots (visual-only state).
 
 import { cv, ctx } from './dom.js';
-import { TUNE, UI, EATEN_GRAB, EATEN_BURST, EATEN_SUMMARY, EATEN_RESTART, COURT, PLAYER_H, BOY_H, UMP_H, UMP_X, MACH_H, BOSS_ART, BOUNCE_IDLE, SPRITE_H } from './config.js';
+import { TUNE, UI, EATEN_GRAB, EATEN_BURST, EATEN_SUMMARY, EATEN_RESTART, COURT, P_BOUNDS, PLAYER_H, BOY_H, UMP_H, UMP_X, MACH_H, BOSS_ART, BOUNCE_IDLE, SPRITE_H } from './config.js';
 import { P, O, ball, score, crowd, G, court } from './state.js';
 import { predictLanding, flickTarget } from './gameplay.js';
 import { zombies, gore, piles, parts, pellets, extras, shots } from './zombies.js';
@@ -48,6 +48,9 @@ export let W = 480, H = 270;
 //            screen (the home indicator is a slim bar, not opaque UI). Only the interactive RACK is
 //            lifted clear of it, by SAFE.bottom below.
 export const SAFE = { top: 0, bottom: 0, topCss: 0 };
+// Logical px of slack under a full draw, on top of the rack: the home indicator (~34 CSS px) plus
+// enough that a pull ENDING near the edge is still nowhere near STARTING there. See fitViewport.
+const PULL_ROOM = 30;
 function measureSafe(scale) {
   const el = document.getElementById('safe');
   if (!el) return;
@@ -116,11 +119,20 @@ export function fitViewport() { // landscape 480x270; portrait 270 wide and as T
     TUNE.camZ = portrait ? 48 : 42;
     TUNE.camY = portrait ? 11 : 9;
     TUNE.camF = portrait ? 760 : 406;
-    // horizon RIDES the adaptive height. proj() places the court in ABSOLUTE logical px off this, so
-    // leaving it fixed while h grew just dumped every extra pixel into a dead green apron between the
-    // court and the rack. 0.72 of the extra height goes to pushing the court down (the rest becomes
-    // more stand above it), which keeps the apron about where it was at the old fixed 480.
-    TUNE.horizon = portrait ? Math.round(45 + (h - 480) * 0.72) : 40;
+    // THE COURT RIDES HIGH ENOUGH TO PULL UNDER HIM. A full draw is TUNE.pullFull CSS px of thumb
+    // travel STARTING at his feet, and it has to finish clear of the rack and of the iOS bottom
+    // edge — where a swipe down is Reachability and the system takes the gesture out from under
+    // you, which no web page can refuse. Positioning the court from the TOP could not promise that:
+    // on a 375x812 it left 112 CSS px under him for a 130 px pull, so the wind-up physically did
+    // not fit and the thumb was driven onto the edge every single rally.
+    // So park his feet a full draw above the rack and let the horizon fall wherever it must. What
+    // gets shorter is the stand above the court, and that was only ever crowd.
+    // (`horizon` is the live knob — it survives in the T panel until the viewport actually changes.)
+    const perCss = h / Math.max(1, bh);                       // logical px per CSS px (bh is 0 in a hidden tab)
+    const apron = TUNE.pullFull * perCss + TUNE.rackH + PULL_ROOM;
+    // his scale at his DEEPEST, so the room holds wherever he is standing when you draw
+    const feetY = TUNE.camY * TUNE.camF / (TUNE.camZ - P_BOUNDS.zMax);
+    TUNE.horizon = portrait ? Math.round(h - apron - feetY) : 40;
     buildCrowd();
   }
   ctx.imageSmoothingEnabled = false; // resets on canvas resize