diff --git a/index.html b/index.html
index d7fd3ee..0334c2e 100644
--- a/index.html
+++ b/index.html
@@ -5328,40 +5328,25 @@
         map.on('pitch', updateFogOfWar);
 
         // =====================
-        // ANIMATED BUILDINGS (Random per-building)
+        // ANIMATED BUILDINGS
         // =====================
         let buildingAnimationEnabled = true;  // Set to false to disable
         let buildingAnimationId = null;
-        const buildingAnimationSpeed = 0.005;  // How fast buildings breathe (higher = faster)
+        const buildingAnimationSpeed = 0.003;  // How fast buildings breathe
 
         function animateBuildings(timestamp) {
             if (!buildingAnimationEnabled) return;
 
-            // Create 8 different phase offsets for pseudo-random effect
-            // Buildings are grouped by their height mod 8, each group has different phase
-            // Range: 100% to 150% (1.0 to 1.5)
-            const phases = [];
-            for (let i = 0; i < 8; i++) {
-                const phaseOffset = (i / 8) * Math.PI * 2;  // Evenly distributed phases
-                // (sin + 1) gives 0 to 2, multiply by 0.25 gives 0 to 0.5, add 1 gives 1.0 to 1.5
-                phases[i] = 1 + (Math.sin(timestamp * buildingAnimationSpeed + phaseOffset) + 1) * 0.25;
-            }
+            // Single multiplier for all buildings: 100% to 150%
+            // (sin + 1) gives 0 to 2, multiply by 0.25 gives 0 to 0.5, add 1 gives 1.0 to 1.5
+            const multiplier = 1 + (Math.sin(timestamp * buildingAnimationSpeed) + 1) * 0.25;
 
-            // Update building height with per-building variation based on render_height
+            // Update building height
             if (map.getLayer('buildings-3d')) {
                 map.setPaintProperty('buildings-3d', 'fill-extrusion-height', [
                     '*',
                     ['get', 'render_height'],
-                    ['case',
-                        ['<', ['%', ['to-number', ['get', 'render_height'], 10], 8], 1], phases[0],
-                        ['<', ['%', ['to-number', ['get', 'render_height'], 10], 8], 2], phases[1],
-                        ['<', ['%', ['to-number', ['get', 'render_height'], 10], 8], 3], phases[2],
-                        ['<', ['%', ['to-number', ['get', 'render_height'], 10], 8], 4], phases[3],
-                        ['<', ['%', ['to-number', ['get', 'render_height'], 10], 8], 5], phases[4],
-                        ['<', ['%', ['to-number', ['get', 'render_height'], 10], 8], 6], phases[5],
-                        ['<', ['%', ['to-number', ['get', 'render_height'], 10], 8], 7], phases[6],
-                        phases[7]
-                    ]
+                    multiplier
                 ]);
             }