diff --git a/assets/css/main.css b/assets/css/main.css
index 08b5863..d777d4e 100644
--- a/assets/css/main.css
+++ b/assets/css/main.css
@@ -252,16 +252,32 @@ header.site-header {
   transform: none;
   padding: .4rem;
   border-radius: 14px;
-  border-color: color-mix(in srgb, var(--sprach-glut) 45%, var(--border));
-  background: color-mix(in srgb, var(--card-bg) 92%, var(--sprach-glut) 8%);
-  box-shadow: 0 14px 34px rgba(0, 0, 0, .5), 0 0 26px color-mix(in srgb, var(--sprach-glut) 25%, transparent);
+  border: 1px solid rgba(210, 216, 224, .55);
+  background: rgba(4, 5, 8, .96);
+  box-shadow:
+    0 14px 34px rgba(0, 0, 0, .6),
+    0 0 16px rgba(220, 226, 235, .35),
+    0 0 34px rgba(190, 200, 215, .18);
   transform-origin: top right;
-  animation: sprach-dropdown-in .18s ease both;
+  animation: sprach-dropdown-in .18s ease both, sprach-silber-puls 3.6s ease-in-out infinite;
 }
 @keyframes sprach-dropdown-in {
   from { opacity: 0; transform: translateY(-6px) scale(.96); }
   to   { opacity: 1; transform: translateY(0) scale(1); }
 }
+/* Silberner Polarlicht-Schein um den Dropdown-Rand — bewusst neutral
+   silber statt farbig, damit sich der schwarze Kasten von der bunten
+   Kugel/Schrift jeder Sprache klar abhebt statt zu verschwimmen. */
+@keyframes sprach-silber-puls {
+  0%, 100% {
+    border-color: rgba(210, 216, 224, .5);
+    box-shadow: 0 14px 34px rgba(0, 0, 0, .6), 0 0 14px rgba(220, 226, 235, .3), 0 0 30px rgba(190, 200, 215, .15);
+  }
+  50% {
+    border-color: rgba(235, 239, 244, .9);
+    box-shadow: 0 14px 34px rgba(0, 0, 0, .6), 0 0 22px rgba(230, 235, 242, .55), 0 0 46px rgba(200, 210, 224, .3);
+  }
+}
 .sprach-schalter .nav-dropdown a {
   display: flex;
   align-items: center;
@@ -273,7 +289,7 @@ header.site-header {
 }
 .sprach-schalter .nav-dropdown a:hover,
 .sprach-schalter .nav-dropdown a.active {
-  background: color-mix(in srgb, var(--sprach-glut) 20%, var(--bg-alt));
+  background: rgba(255, 255, 255, .09);
   border-left-color: var(--sprach-glut);
   transform: translateX(2px);
 }