Update index.html

index.html

@@ -154,17 +154,21 @@
         .arcDashAnimateTime(() => 2000);
 
       // Borders
-      fetch('https://unpkg.com/three-globe/example/datasets/ne_110m_admin_0_countries.geojson')
-          .then(r => r.json())
-          .then(({ features }) => {
-            globe
-              .polygonsData(features)
-              .polygonCapColor(() => 'rgba(0,0,0,0)')     // transparent fill
-              .polygonSideColor(() => 'rgba(0,0,0,0)')    // no sides
-              .polygonStrokeColor(() => 'rgba(255,255,255,0.25)')
-              .polygonAltitude(() => 0.002);              // small lift to avoid z-fighting
-          })
-      .catch(() => {/* ignore */});
+      fetch('./geocountries.json', { cache: 'no-cache' })
+        .then(r => {
+          if (!r.ok) throw new Error(`HTTP ${r.status}`);
+          return r.json();
+        })
+        .then(({ features }) => {
+          globe
+            .polygonsData(features)
+            .polygonCapColor(() => 'rgba(0,0,0,0)')
+            .polygonSideColor(() => 'rgba(0,0,0,0)')
+            .polygonStrokeColor(() => 'rgba(255,255,255,0.28)')
+            .polygonAltitude(() => 0.002);
+        })
+        .catch(err => showErr(`Failed to load polygons: ${err.message}`));
+
 
       // Orbit controls tuning (zoom/rotate)
       const ctrl = globe.controls();