diff --git a/src/components/ui/GameSettingsMenu.tsx b/src/components/ui/GameSettingsMenu.tsx
index 491f39e..abd52ce 100644
--- a/src/components/ui/GameSettingsMenu.tsx
+++ b/src/components/ui/GameSettingsMenu.tsx
@@ -285,35 +285,36 @@ export function GameSettingsMenu(): React.JSX.Element | null {
                 </button>
               ))}
             </div>
-          </section>
 
-          <section
-            className="game-settings-menu__section game-settings-menu__section--right"
-            aria-labelledby="hand-tracking-settings-heading"
-          >
-            <div className="game-settings-menu__section-title">
-              <Hand size={16} aria-hidden="true" />
-              <h3 id="hand-tracking-settings-heading">Détection des mains</h3>
-            </div>
-            <div
-              className="game-settings-menu__choice-group game-settings-menu__choice-group--hand-tracking"
-              aria-label="Mode de détection des mains"
-            >
-              {HAND_TRACKING_OPTIONS.map((option) => (
-                <button
-                  key={option.source}
-                  type="button"
-                  className={
-                    handTrackingSource === option.source ? "active" : undefined
-                  }
-                  onClick={() => handleHandTrackingSourceChange(option.source)}
-                  aria-pressed={handTrackingSource === option.source}
-                >
-                  {option.icon}
-                  <span>{option.label}</span>
-                  <small>{option.description}</small>
-                </button>
-              ))}
+            <div className="game-settings-menu__subsection">
+              <div className="game-settings-menu__section-title">
+                <Hand size={16} aria-hidden="true" />
+                <h3 id="hand-tracking-settings-heading">Détection des mains</h3>
+              </div>
+              <div
+                className="game-settings-menu__choice-group game-settings-menu__choice-group--hand-tracking"
+                aria-labelledby="hand-tracking-settings-heading"
+              >
+                {HAND_TRACKING_OPTIONS.map((option) => (
+                  <button
+                    key={option.source}
+                    type="button"
+                    className={
+                      handTrackingSource === option.source
+                        ? "active"
+                        : undefined
+                    }
+                    onClick={() =>
+                      handleHandTrackingSourceChange(option.source)
+                    }
+                    aria-pressed={handTrackingSource === option.source}
+                  >
+                    {option.icon}
+                    <span>{option.label}</span>
+                    <small>{option.description}</small>
+                  </button>
+                ))}
+              </div>
             </div>
           </section>
         </div>
diff --git a/src/index.css b/src/index.css
index 8d149d5..296de99 100644
--- a/src/index.css
+++ b/src/index.css
@@ -1219,12 +1219,10 @@ canvas {
   display: grid;
   place-items: center;
   padding: clamp(18px, 4vw, 42px);
-  background:
-    linear-gradient(180deg, rgba(4, 10, 18, 0.72), rgba(2, 6, 12, 0.9)),
-    rgba(0, 0, 0, 0.82);
+  background: rgba(2, 8, 14, 0.28);
   color: #ffffff;
   pointer-events: auto;
-  backdrop-filter: blur(14px);
+  backdrop-filter: blur(8px) saturate(1.05);
 }
 
 .game-settings-menu__panel {
@@ -1236,12 +1234,13 @@ canvas {
   border: 1px solid rgba(125, 211, 252, 0.38);
   border-radius: 8px;
   background:
-    linear-gradient(180deg, rgba(8, 20, 34, 0.98), rgba(3, 8, 14, 0.99)),
-    rgba(4, 8, 12, 0.99);
+    linear-gradient(180deg, rgba(8, 20, 34, 0.84), rgba(3, 8, 14, 0.78)),
+    rgba(4, 8, 12, 0.74);
   box-shadow:
     0 28px 90px rgba(0, 0, 0, 0.58),
     inset 0 0 0 1px rgba(255, 255, 255, 0.05),
     0 0 34px rgba(56, 189, 248, 0.16);
+  backdrop-filter: blur(18px) saturate(1.12);
   scrollbar-width: thin;
   scrollbar-color: rgba(125, 211, 252, 0.55) transparent;
 }
@@ -1327,17 +1326,13 @@ canvas {
   padding: 14px;
   border: 1px solid rgba(125, 211, 252, 0.2);
   border-radius: 8px;
-  background: rgba(5, 14, 24, 0.78);
+  background: rgba(5, 14, 24, 0.58);
 }
 
 .game-settings-menu__section--wide {
   grid-column: 1 / -1;
 }
 
-.game-settings-menu__section--right {
-  grid-column: 2;
-}
-
 .game-settings-menu__section-title {
   display: flex;
   align-items: center;
@@ -1345,6 +1340,13 @@ canvas {
   color: #7dd3fc;
 }
 
+.game-settings-menu__subsection {
+  display: grid;
+  gap: 10px;
+  padding-top: 10px;
+  border-top: 1px solid rgba(125, 211, 252, 0.16);
+}
+
 .game-settings-menu__section h3 {
   margin: 0;
   color: #dff7ff;
@@ -1422,7 +1424,7 @@ canvas {
   padding: 11px 12px;
   border: 1px solid rgba(125, 211, 252, 0.2);
   border-radius: 8px;
-  background: rgba(6, 18, 30, 0.84);
+  background: rgba(6, 18, 30, 0.7);
   color: #edfaff;
   cursor: pointer;
   font-size: 0.88rem;
@@ -1517,10 +1519,6 @@ canvas {
   .game-settings-menu__choice-group--presets {
     grid-template-columns: 1fr;
   }
-
-  .game-settings-menu__section--right {
-    grid-column: auto;
-  }
 }
 
 /* Debug overlay panels */