diff --git a/css/style.css b/css/style.css
index 15f69a5..d38a521 100644
--- a/css/style.css
+++ b/css/style.css
@@ -392,6 +392,7 @@ p {
   width: 80%;
   max-width: 360px;
   height: 100vh;
+  height: 100dvh; /* dynamic viewport — meilleur sur mobile (barre URL) */
   background: var(--navy-dark);
   z-index: 999;
   padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
@@ -399,6 +400,9 @@ p {
   display: flex;
   flex-direction: column;
   gap: var(--space-lg);
+  overflow-y: auto;
+  -webkit-overflow-scrolling: touch;
+  overscroll-behavior: contain;
 }
 
 .mobile-nav.open {