diff --git a/website/preview/mockup.css b/website/preview/mockup.css
index 102a4981..795b9227 100644
--- a/website/preview/mockup.css
+++ b/website/preview/mockup.css
@@ -1288,6 +1288,8 @@ select.form-control option {
 .m2-foot p { color: var(--text-2); font-size: .85rem; display: inline-flex; gap: .6rem; align-items: center; flex-wrap: wrap; justify-content: center; }
 
 @media (max-width: 900px) {
+    /* the top-bar CTA wrapped to two lines at 390px; the hero carries the same one */
+    .m2-top .btn { display: none; }
     .m2-hero { grid-template-columns: 1fr; gap: 2rem; padding-top: 2.5rem; }
     .launch-grid--mini { grid-template-columns: repeat(3, 1fr); }
     .m2-who { flex-direction: column; }