diff --git a/src/styles/global.css b/src/styles/global.css
index 72a5b60..ff70111 100644
--- a/src/styles/global.css
+++ b/src/styles/global.css
@@ -349,7 +349,7 @@ a:focus-visible, button:focus-visible {
   gap: 0.4em;
   background:
     linear-gradient(155deg, color-mix(in srgb, var(--globe-color) 16%, var(--c-anthracite-light)), color-mix(in srgb, var(--globe-color) 5%, var(--c-anthracite)));
-  border: 1px solid color-mix(in srgb, var(--globe-color) 42%, rgba(244, 241, 247, 0.14));
+  border: 1px solid color-mix(in srgb, var(--c-purple-glow) 55%, rgba(244, 241, 247, 0.14));
   color: var(--c-text);
   border-radius: 999px;
   padding: 0.4em 0.85em 0.4em 0.5em;
@@ -362,7 +362,7 @@ a:focus-visible, button:focus-visible {
   transition: border-color 0.2s var(--ease), box-shadow 0.25s var(--ease), transform 0.2s var(--ease);
 }
 .lang-switch-btn:hover {
-  border-color: color-mix(in srgb, var(--globe-color) 75%, transparent);
+  border-color: color-mix(in srgb, var(--c-purple-glow) 85%, transparent);
   box-shadow:
     inset 0 1px 0 color-mix(in srgb, var(--globe-glow, var(--globe-color)) 30%, transparent),
     0 6px 18px -6px color-mix(in srgb, var(--globe-color) 70%, transparent);
@@ -435,10 +435,14 @@ a:focus-visible, button:focus-visible {
   overflow: hidden;
   isolation: isolate;
   color: rgba(10, 9, 16, 0.55);
+  /* Dezenter "Polarlicht"-Schimmer: mehrere weiche, unterschiedlich gefärbte Glow-Schichten
+     (Lila der Seite + Flaggenfarbe + Akzent-Türkis) statt eines einzelnen harten Farbrings. */
   box-shadow:
-    0 0 0 1px color-mix(in srgb, var(--globe-color, var(--c-accent)) 55%, transparent),
+    0 0 0 1px color-mix(in srgb, var(--c-purple-glow) 55%, transparent),
     0 3px 5px -1px color-mix(in srgb, black 55%, transparent),
-    0 0 9px 1px color-mix(in srgb, var(--globe-glow, var(--globe-color)) 55%, transparent);
+    0 0 7px 1px color-mix(in srgb, var(--globe-glow, var(--globe-color)) 40%, transparent),
+    0 0 13px 3px color-mix(in srgb, var(--c-purple-glow) 22%, transparent),
+    0 0 18px 4px color-mix(in srgb, var(--c-accent) 12%, transparent);
   transition: box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
   flex-shrink: 0;
 }
@@ -478,9 +482,11 @@ a:focus-visible, button:focus-visible {
 .lang-switch-btn:hover .lang-globe,
 .lang-switch-menu a:hover .lang-globe {
   box-shadow:
-    0 0 0 1px color-mix(in srgb, var(--globe-color, var(--c-accent)) 70%, transparent),
+    0 0 0 1px color-mix(in srgb, var(--c-purple-glow) 75%, transparent),
     0 3px 6px -1px color-mix(in srgb, black 55%, transparent),
-    0 0 16px 3px color-mix(in srgb, var(--globe-glow, var(--globe-color)) 80%, transparent);
+    0 0 10px 2px color-mix(in srgb, var(--globe-glow, var(--globe-color)) 55%, transparent),
+    0 0 18px 4px color-mix(in srgb, var(--c-purple-glow) 30%, transparent),
+    0 0 24px 6px color-mix(in srgb, var(--c-accent) 18%, transparent);
   transform: scale(1.12);
 }