diff --git a/src/components/Constellation.astro b/src/components/Constellation.astro
index 57b8c12..e8ac0b8 100644
--- a/src/components/Constellation.astro
+++ b/src/components/Constellation.astro
@@ -246,11 +246,15 @@
     animation: bzRing 3.6s ease-out infinite;
   }
 
-  @keyframes bzDash { to { stroke-dashoffset: -260; } }
-  @keyframes bzDashRev { to { stroke-dashoffset: 260; } }
+  /* dash pattern is 9+127 = a 136px period — the loop offset MUST be an exact multiple of it
+     (2×136 = 272) or every packet dot visibly teleports at the loop seam. */
+  @keyframes bzDash { to { stroke-dashoffset: -272; } }
+  @keyframes bzDashRev { to { stroke-dashoffset: 272; } }
   @keyframes bzPulse { 0%, 100% { opacity: 0.35; } 50% { opacity: 1; } }
   @keyframes bzRing {
-    0% { transform: scale(0.5); opacity: 0.9; }
+    /* start AND end at opacity 0 so the 3.6s restart never pops */
+    0% { transform: scale(0.5); opacity: 0; }
+    10% { opacity: 0.9; }
     100% { transform: scale(1.7); opacity: 0; }
   }