diff --git a/resources/shaders/110/phong.fs b/resources/shaders/110/phong.fs
index 8071a58842..59b7ab3484 100644
--- a/resources/shaders/110/phong.fs
+++ b/resources/shaders/110/phong.fs
@@ -11,14 +11,14 @@ const float EPSILON = 0.0001;
 // normalized values for (-0.6/1.31, 0.6/1.31, 1./1.31)
 const vec3 LIGHT_TOP_DIR = vec3(-0.4574957, 0.4574957, 0.7624929);
 #define LIGHT_TOP_DIFFUSE    (0.8 * INTENSITY_CORRECTION)
-#define LIGHT_TOP_SPECULAR   (0.85 * INTENSITY_CORRECTION)
-#define LIGHT_TOP_SHININESS  72.0
+#define LIGHT_TOP_SPECULAR   (1.10 * INTENSITY_CORRECTION)
+#define LIGHT_TOP_SHININESS  128.0
 
 // normalized values for (1./1.43, 0.2/1.43, 1./1.43)
 const vec3 LIGHT_FRONT_DIR = vec3(0.6985074, 0.1397015, 0.6985074);
 #define LIGHT_FRONT_DIFFUSE  (0.3 * INTENSITY_CORRECTION)
-#define LIGHT_FRONT_SPECULAR (0.20 * INTENSITY_CORRECTION)
-#define LIGHT_FRONT_SHININESS 28.0
+#define LIGHT_FRONT_SPECULAR (0.28 * INTENSITY_CORRECTION)
+#define LIGHT_FRONT_SHININESS 64.0
 
 #define INTENSITY_AMBIENT    0.22
 
diff --git a/resources/shaders/110/ssao.fs b/resources/shaders/110/ssao.fs
index 02f221ddbe..144cc44e28 100644
--- a/resources/shaders/110/ssao.fs
+++ b/resources/shaders/110/ssao.fs
@@ -82,7 +82,7 @@ void main()
     
     // Boost brightness on top surfaces (optional)
     float brightness_boost = 1.0 + up_factor * 0.15;  // 15% extra brightness on top
-    ambient_occlusion = pow(ambient_occlusion, 1.1) * brightness_boost;
+    ambient_occlusion = pow(ambient_occlusion, 2.2) * brightness_boost;
     ambient_occlusion = clamp(ambient_occlusion, 0.45, 1.05);
     
     gl_FragColor = vec4(base * ambient_occlusion, 1.0);
diff --git a/resources/shaders/140/phong.fs b/resources/shaders/140/phong.fs
index e138cc159c..0b5cbb0b1f 100644
--- a/resources/shaders/140/phong.fs
+++ b/resources/shaders/140/phong.fs
@@ -11,14 +11,14 @@ const float EPSILON = 0.0001;
 // normalized values for (-0.6/1.31, 0.6/1.31, 1./1.31)
 const vec3 LIGHT_TOP_DIR = vec3(-0.4574957, 0.4574957, 0.7624929);
 #define LIGHT_TOP_DIFFUSE    (0.8 * INTENSITY_CORRECTION)
-#define LIGHT_TOP_SPECULAR   (0.85 * INTENSITY_CORRECTION)
-#define LIGHT_TOP_SHININESS  72.0
+#define LIGHT_TOP_SPECULAR   (1.10 * INTENSITY_CORRECTION)
+#define LIGHT_TOP_SHININESS  128.0
 
 // normalized values for (1./1.43, 0.2/1.43, 1./1.43)
 const vec3 LIGHT_FRONT_DIR = vec3(0.6985074, 0.1397015, 0.6985074);
 #define LIGHT_FRONT_DIFFUSE  (0.3 * INTENSITY_CORRECTION)
-#define LIGHT_FRONT_SPECULAR (0.20 * INTENSITY_CORRECTION)
-#define LIGHT_FRONT_SHININESS 28.0
+#define LIGHT_FRONT_SPECULAR (0.28 * INTENSITY_CORRECTION)
+#define LIGHT_FRONT_SHININESS 64.0
 
 #define INTENSITY_AMBIENT    0.22
 
diff --git a/resources/shaders/140/ssao.fs b/resources/shaders/140/ssao.fs
index 31e576b560..3d418f844c 100644
--- a/resources/shaders/140/ssao.fs
+++ b/resources/shaders/140/ssao.fs
@@ -87,7 +87,7 @@ void main()
 
         // Additional brightness boost for upward-facing surfaces
         float brightness_boost = 1.0 + up_factor * 0.2;
-        ao_factor = pow(ao_factor, 1.1) * brightness_boost;
+        ao_factor = pow(ao_factor, 2.2) * brightness_boost;
 
         occlusion = clamp(ao_factor, 0.45, 1.05);
     } else {