clouds: lower deck and fade near-camera cloud clipping

config.js

@@ -321,8 +321,12 @@ window.CONFIG = {
     // altitude so aircraft fly above the deck.
     clouds: {
         enabled: true,            // false removes the volumetric cloud deck
-        top: 1.0,                 // ~12.9 km
+        top: 0.78,                // ~10.1 km, lower deck keeps camera clearance
         bottom: -0.2,             // ~-2.6 km (deck base slightly below terrain)
+        nearFade: {
+            start: 0.35,          // world units: clouds fade out very close to camera
+            end: 2.5              // full density from this distance onward
+        },
         // Coverage per weather level, 0 = clear, 1 = overcast. Only the
         // levels listed here override the built-in defaults
         // (sunny 0.20, cloudy 0.70, stormy 0.80, night 0.45). Live weather
@@ -344,6 +348,7 @@ window.CONFIG = {
             // wind: { speedScale: 140, maxSpeed: 0.12 } // very visible motion
         }
         // density: { sunny: 0.05, cloudy: 0.9, rain: 0.95, snow: 0.85, stormy: 1.0 }
+        // top: 0.65, nearFade: { start: 0.5, end: 3.5 }
     },
 
     // ------------------------------------------------------------------