diff --git a/src/frontend/apps/desk/cunningham.ts b/src/frontend/apps/desk/cunningham.ts
index 0169910..d5b9217 100644
--- a/src/frontend/apps/desk/cunningham.ts
+++ b/src/frontend/apps/desk/cunningham.ts
@@ -1,5 +1,50 @@
 import { cunninghamConfig } from '@gouvfr-lasuite/ui-kit';
 
+const estudioTheme = {
+  theme: {
+    colors: {
+      // Dark background (inverted greyscale like the dark theme)
+      'greyscale-000': '#0C1A2B',
+      'greyscale-100': '#182536',
+      'greyscale-200': '#303C4B',
+      'greyscale-300': '#555F6B',
+      'greyscale-400': '#79818A',
+      'greyscale-500': '#9EA3AA',
+      'greyscale-600': '#C2C6CA',
+      'greyscale-700': '#E7E8EA',
+      'greyscale-800': '#F3F4F4',
+      'greyscale-900': '#FAFAFB',
+      'greyscale-950': '#ffffff',
+      'greyscale-1000': '#ffffff',
+      // Amber/gold primary palette (replaces blue/purple)
+      'primary-050': '#fffbeb',
+      'primary-100': '#fef3c7',
+      'primary-150': '#fde9a0',
+      'primary-200': '#fde68a',
+      'primary-300': '#fcd34d',
+      'primary-400': '#fbbf24',
+      'primary-500': '#f59e0b',
+      'primary-600': '#d97706',
+      'primary-700': '#b45309',
+      'primary-800': '#92400e',
+      'primary-900': '#78350f',
+      'primary-text': '#f59e0b',
+      'primary-action': '#d97706',
+      'primary-bg': '#1c1917',
+    },
+    font: {
+      families: {
+        base: 'Ysabeau Variable, Marianne, Inter, sans-serif',
+        accent: 'Ysabeau Variable, Marianne, Inter, sans-serif',
+      },
+    },
+  },
+};
+
 export default {
   ...cunninghamConfig,
+  themes: {
+    ...cunninghamConfig.themes,
+    estudio: estudioTheme,
+  },
 };
diff --git a/src/frontend/apps/desk/package.json b/src/frontend/apps/desk/package.json
index 7a8e573..fa28469 100644
--- a/src/frontend/apps/desk/package.json
+++ b/src/frontend/apps/desk/package.json
@@ -15,6 +15,7 @@
     "test:watch": "jest --watch"
   },
   "dependencies": {
+    "@fontsource-variable/ysabeau": "^5.0.0",
     "@gouvfr-lasuite/integration": "1.0.3",
     "@gouvfr-lasuite/ui-kit": "^0.17.0",
     "@hookform/resolvers": "4.0.0",
diff --git a/src/frontend/apps/desk/src/cunningham/useCunninghamTheme.tsx b/src/frontend/apps/desk/src/cunningham/useCunninghamTheme.tsx
index c10cf84..7c0a661 100644
--- a/src/frontend/apps/desk/src/cunningham/useCunninghamTheme.tsx
+++ b/src/frontend/apps/desk/src/cunningham/useCunninghamTheme.tsx
@@ -28,7 +28,7 @@ export const useCunninghamTheme = create<AuthStore>((set, get) => {
     ) as Tokens;
 
   return {
-    theme: 'dsfr',
+    theme: 'estudio',
     themeTokens: () => currentTheme().theme,
     colorsTokens: () => currentTheme().theme.colors,
     componentTokens: () => currentTheme().components,
diff --git a/src/frontend/apps/desk/src/pages/globals.css b/src/frontend/apps/desk/src/pages/globals.css
index 5ed60b5..1e6dabf 100644
--- a/src/frontend/apps/desk/src/pages/globals.css
+++ b/src/frontend/apps/desk/src/pages/globals.css
@@ -1,3 +1,4 @@
+@import '@fontsource-variable/ysabeau';
 @import url('@gouvfr-lasuite/ui-kit/style');
 @import url('../cunningham/cunningham-style.css');