diff --git a/apps/web/src/components/Effects/AbstractCircuit.tsx b/apps/web/src/components/Effects/AbstractCircuit.tsx
index d7296e5..d4d00aa 100644
--- a/apps/web/src/components/Effects/AbstractCircuit.tsx
+++ b/apps/web/src/components/Effects/AbstractCircuit.tsx
@@ -56,10 +56,18 @@ export const AbstractCircuit: React.FC<{
     // ── Seed characters ──
     const LANE = 28;
     const GAP = 20;
+    const PHONE_WIDTH = 640;
+    const PHONE_INK = 2.4;
+    const PHONE_GROW = 2;
 
     const seed = () => {
       const chars: Char[] = [];
       const { w, h } = s;
+      // On a phone the field is small and held close: the digits need more
+      // size and ink there, or they are not seen at all.
+      const small = w < PHONE_WIDTH;
+      const ink = small ? PHONE_INK : 1;
+      const grow = small ? PHONE_GROW : 0;
 
       // Horizontal lanes
       for (let y = 0; y < h; y += LANE) {
@@ -73,8 +81,8 @@ export const AbstractCircuit: React.FC<{
             val: Math.random() > 0.5 ? 1 : 0,
             speed: spd,
             vertical: false,
-            size: 9 + Math.floor(Math.random() * 2),
-            baseAlpha: 0.035 + Math.random() * 0.045,
+            size: 9 + grow + Math.floor(Math.random() * 2),
+            baseAlpha: (0.035 + Math.random() * 0.045) * ink,
             phase: Math.random() * Math.PI * 2,
             flipIn: 120 + Math.floor(Math.random() * 400),
           });
@@ -93,8 +101,8 @@ export const AbstractCircuit: React.FC<{
             val: Math.random() > 0.5 ? 1 : 0,
             speed: spd,
             vertical: true,
-            size: 8 + Math.floor(Math.random() * 2),
-            baseAlpha: 0.025 + Math.random() * 0.035,
+            size: 8 + grow + Math.floor(Math.random() * 2),
+            baseAlpha: (0.025 + Math.random() * 0.035) * ink,
             phase: Math.random() * Math.PI * 2,
             flipIn: 150 + Math.floor(Math.random() * 500),
           });
diff --git a/apps/web/src/components/home/BitHeadline.tsx b/apps/web/src/components/home/BitHeadline.tsx
index b8ba8f2..535d487 100644
--- a/apps/web/src/components/home/BitHeadline.tsx
+++ b/apps/web/src/components/home/BitHeadline.tsx
@@ -35,6 +35,7 @@ const LIGHT = "255, 255, 255";
 const INTRO_MS = 1600;
 const FRAME_MS = 1000 / 30;
 const POINTER_RADIUS = 170;
+const MIN_CELL = 6;
 
 const easeOut = (t: number): number => 1 - Math.pow(1 - t, 3);
 const clamp01 = (n: number): number => Math.min(1, Math.max(0, n));
@@ -155,9 +156,11 @@ export const BitHeadline: React.FC<{
       });
 
       const fontSize = parseFloat(getComputedStyle(wrap).fontSize) || 100;
-      cell = Math.round(Math.min(9, Math.max(4, fontSize / 19)));
+      // Digits below about 6px are specks, not digits: on phones the cells stay
+      // readable and the letters are built from fewer of them.
+      cell = Math.round(Math.min(9, Math.max(MIN_CELL, fontSize / 19)));
       // Small type needs a stronger wash under the digits to keep its shape.
-      wash = fontSize < 100 ? 0.2 : 0.07;
+      wash = fontSize < 100 ? 0.24 : 0.07;
       cols = Math.ceil(width / cell);
       rows = Math.ceil(height / cell);
       bits = new Uint8Array(cols * rows);