diff --git a/e2e/playwright.config.js b/e2e/playwright.config.js
index bbe9f0d..fa2861d 100644
--- a/e2e/playwright.config.js
+++ b/e2e/playwright.config.js
@@ -20,5 +20,7 @@ module.exports = defineConfig({
   },
   projects: [
     { name: 'chromium', use: { ...devices['Desktop Chrome'] } },
+    // Mobile pass — catches layout regressions at ~375 px (iPhone SE)
+    { name: 'mobile-chrome', use: { ...devices['Pixel 5'] } },
   ],
 });