diff --git a/src/components/forms/ContactForm/ContactForm.tsx b/src/components/forms/ContactForm/ContactForm.tsx
index 50745bae..f0beb26c 100644
--- a/src/components/forms/ContactForm/ContactForm.tsx
+++ b/src/components/forms/ContactForm/ContactForm.tsx
@@ -359,7 +359,7 @@ export const ContactForm: React.FC<ContactFormProps> = ({
         <div className="mt-6">
           <button
             type="submit"
-            className={`btn btn-primary ${isSubmitting ? 'loading' : ''} ${!isOnline ? 'btn-warning' : ''}`}
+            className={`btn btn-primary min-h-11 ${isSubmitting ? 'loading' : ''} ${!isOnline ? 'btn-warning' : ''}`}
             disabled={isSubmitting || !!honeypotValue}
           >
             {isSubmitting
diff --git a/tests/e2e/tests/mobile-buttons.spec.ts b/tests/e2e/tests/mobile-buttons.spec.ts
index c6649ba3..f27a0b87 100644
--- a/tests/e2e/tests/mobile-buttons.spec.ts
+++ b/tests/e2e/tests/mobile-buttons.spec.ts
@@ -32,46 +32,69 @@ test.describe('Mobile Button Standards', () => {
   const MINIMUM = TOUCH_TARGET_STANDARDS.AAA.minWidth;
   const TOLERANCE = 1;
 
+  /**
+   * Routes this gate visits. `/` ALONE WAS NOT ENOUGH (#396).
+   *
+   * Its three visible `.btn` elements all pass, so the gate ran green while the
+   * contact form's PRIMARY ACTION rendered at 40px — a bare `btn btn-primary` with
+   * no height floor, on the one button that page exists for. Measured on production
+   * at 390px. A gate is only as wide as what it points at.
+   *
+   * Each route earns its place by holding buttons the others do not:
+   *   /          nav and hero chrome
+   *   /contact/  a form submit — the case that was missed
+   *   /blog/     card actions
+   */
+  const BUTTON_ROUTES = ['/', '/contact/', '/blog/'];
+
   test('All buttons meet 44x44px minimum on mobile', async ({ page }) => {
     await page.setViewportSize({ width: 390, height: 844 });
-    await page.goto('/');
-    await dismissCookieBanner(page);
-    await waitForLayoutStability(page);
 
-    // Check primary action buttons (btn class), not all buttons
-    // Small icon buttons and decorative buttons are exempt
-    const buttons = await page.locator('.btn').all();
     const failures: string[] = [];
+    let measured = 0;
 
-    for (let i = 0; i < buttons.length; i++) {
-      const button = buttons[i];
+    for (const route of BUTTON_ROUTES) {
+      await page.goto(route);
+      await dismissCookieBanner(page);
+      await waitForLayoutStability(page);
 
-      if (await button.isVisible()) {
+      // Check primary action buttons (btn class), not all buttons
+      // Small icon buttons and decorative buttons are exempt
+      const buttons = await page.locator('.btn').all();
+
+      for (const button of buttons) {
+        if (!(await button.isVisible())) continue;
         const box = await button.boundingBox();
+        if (!box) continue;
+
+        measured++;
+        const text =
+          (await button.textContent())?.trim().substring(0, 20) || '';
 
-        if (box) {
-          const text =
-            (await button.textContent())?.trim().substring(0, 20) || '';
-
-          // Primary buttons should meet the 44px minimum
-          if (
-            box.width < MINIMUM - TOLERANCE ||
-            box.height < MINIMUM - TOLERANCE
-          ) {
-            failures.push(
-              `Button "${text}": ${box.width.toFixed(0)}x${box.height.toFixed(0)}px`
-            );
-          }
+        if (
+          box.width < MINIMUM - TOLERANCE ||
+          box.height < MINIMUM - TOLERANCE
+        ) {
+          failures.push(
+            `${route} — "${text}": ${box.width.toFixed(0)}x${box.height.toFixed(0)}px`
+          );
         }
       }
     }
 
-    if (failures.length > 0) {
-      expect(
-        failures.length,
-        `${failures.length} buttons too small:\n${failures.join('\n')}`
-      ).toBe(0);
-    }
+    // COVERAGE FLOOR, asserted unconditionally. Without it a selector change or an
+    // empty route makes this pass having measured nothing — and it would look
+    // identical to a clean sweep in the report (#396).
+    expect(
+      measured,
+      `no visible .btn elements found across ${BUTTON_ROUTES.join(', ')} — this ` +
+        'gate measured nothing'
+    ).toBeGreaterThanOrEqual(BUTTON_ROUTES.length);
+
+    expect(
+      failures,
+      `${failures.length} button(s) below ${MINIMUM}px:\n${failures.join('\n')}`
+    ).toEqual([]);
   });
 
   test('Buttons have 8px minimum spacing', async ({ page }) => {