fix: strip base map to white/gray, hide all noise, no attribution

White land, light blue-gray water, thin admin borders only.
Everything else hidden. No MapLibre attribution badge.
Default zoom 2, centered on [20,20] for better world view.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

layouts/shortcodes/world-map.html

@@ -54,32 +54,35 @@ function ifkInitMap() {
   window._ifkMap = new maplibregl.Map({
     container: 'ifk-world-map',
     style: 'https://maps.clicksports.de/styles/klokantech-basic/style.json',
-    center: [10, 25],
+    center: [20, 20],
-    zoom: 1.5,
+    zoom: 2,
     minZoom: 1,
     maxZoom: 6,
     scrollZoom: false,
-    attributionControl: true
+    attributionControl: false
   });
 
   window._ifkMap.addControl(new maplibregl.NavigationControl({ showCompass: false }), 'top-right');
 
   window._ifkMap.on('load', function() {
-    // Desaturate base map: white land, light gray sea
+    // Strip base map to minimal: white land, light gray water, thin borders only
     var style = window._ifkMap.getStyle();
     style.layers.forEach(function(l) {
       if (l.id === 'background') {
-        window._ifkMap.setPaintProperty(l.id, 'background-color', '#e8e8e8');
+        window._ifkMap.setPaintProperty(l.id, 'background-color', '#ffffff');
+        return;
       }
-      if (l.type === 'fill' && (l.id.indexOf('water') >= 0 || l.id.indexOf('ocean') >= 0)) {
+      if (l.type === 'fill' && l.id.indexOf('water') >= 0) {
-        window._ifkMap.setPaintProperty(l.id, 'fill-color', '#f0f0f0');
+        window._ifkMap.setPaintProperty(l.id, 'fill-color', '#eef2f7');
+        return;
       }
-      if (l.type === 'fill' && (l.id.indexOf('landcover') >= 0 || l.id.indexOf('landuse') >= 0 || l.id.indexOf('park') >= 0)) {
+      if (l.type === 'line' && l.id.indexOf('admin') >= 0) {
-        window._ifkMap.setPaintProperty(l.id, 'fill-opacity', 0);
+        window._ifkMap.setPaintProperty(l.id, 'line-color', '#d1d5db');
+        window._ifkMap.setPaintProperty(l.id, 'line-width', 0.5);
+        return;
       }
-      if (l.type === 'line' && (l.id.indexOf('boundary') < 0)) {
+      // Hide everything else
       window._ifkMap.setLayoutProperty(l.id, 'visibility', 'none');
-      }
     });
 
     fetch('{{ "data/countries-50m.json" | relURL }}')