diff --git a/css/custom.css b/css/custom.css
index 88c3b64..c509b29 100644
--- a/css/custom.css
+++ b/css/custom.css
@@ -1688,7 +1688,7 @@ header.main-header .header-sticky.active{
 	display: inline-flex;
 	align-items: center;
 	text-transform: uppercase;
-	font-size: 100px;
+	font-size: clamp(40px, 8vw, 100px);
 	line-height: 1em;
 	font-weight: 700;
 	color: transparent;
@@ -1699,6 +1699,13 @@ header.main-header .header-sticky.active{
 	opacity: 50%;
 }
 
+/* Mobile optimization */
+@media (max-width: 768px) {
+	.service-ticker .scrolling-content span {
+		font-size: clamp(30px, 10vw, 60px);
+	}
+}
+
 .service-ticker .scrolling-content span img{
 	width: 100%;
 	max-width: 45px;