diff --git a/app/[locale]/blog/[slug]/page.tsx b/app/[locale]/blog/[slug]/page.tsx
index 84d1f9d..e830e05 100644
--- a/app/[locale]/blog/[slug]/page.tsx
+++ b/app/[locale]/blog/[slug]/page.tsx
@@ -1,3 +1,4 @@
+import React from "react";
 import type { Metadata } from "next";
 import { notFound } from "next/navigation";
 import { MDXRemote } from "next-mdx-remote/rsc";
@@ -6,6 +7,7 @@ import { ArticleHero } from "@/components/sections/ArticleHero";
 import { ArticleSummary } from "@/components/sections/ArticleSummary";
 import { locales } from "@/middleware";
 import Link from "next/link";
+import { MermaidDiagram } from "@/components/mdx/MermaidDiagram";
 
 type props = {
     params: Promise<{
@@ -110,15 +112,26 @@ const mdxComponents = {
         }
 
         return (
-            <a 
-                target="_blank" 
-                rel="noopener noreferrer" 
-                {...props} 
+            <a
+                target="_blank"
+                rel="noopener noreferrer"
+                {...props}
             >
                 {props.children}
             </a>
         );
     },
+    pre: (props: React.ComponentPropsWithoutRef<"pre"> & { children?: React.ReactElement<{ className?: string; children?: React.ReactNode }> }) => {
+        const child = props.children;
+        const isMermaid = child?.props?.className?.includes("language-mermaid");
+
+        if (isMermaid && child) {
+            const code = String(child.props.children).trimEnd();
+            return <MermaidDiagram code={code} />;
+        }
+
+        return <pre {...props} />;
+    },
 };
 
 export default async function ArticlePage({ params }: props) {
@@ -197,8 +210,9 @@ export default async function ArticlePage({ params }: props) {
                 )}
                 <article
                     className="
-                        flex flex-col gap-12
+                        flex flex-col gap-5
                         [&_h2]:font-serif [&_h2]:text-[clamp(40px,5vw,64px)] [&_h2]:text-brand-brown [&_h2]:leading-none [&_h2]:mb-6 [&_h2]:mt-2
+                        [&_h3]:font-serif [&_h3]:text-[clamp(24px,3vw,36px)] [&_h3]:text-brand-brown [&_h3]:leading-tight [&_h3]:mb-4 [&_h3]:mt-2
                         [&_p]:font-sans [&_p]:text-sm [&_p]:text-brand-brown/70 [&_p]:leading-[1.9]
                         [&_strong]:font-semibold [&_strong]:text-brand-brown/85
                         [&_a]:text-brand-brown [&_a]:underline 
diff --git a/content/.obsidian/workspace.json b/content/.obsidian/workspace.json
index ef6b48e..830c024 100644
--- a/content/.obsidian/workspace.json
+++ b/content/.obsidian/workspace.json
@@ -192,16 +192,15 @@
   },
   "active": "224cf476c7b474e6",
   "lastOpenFiles": [
+    "blog/fr/03-Deploying-an-infrastructure-for-a-macos-app-distribution.mdx",
+    "blog/en/03-Deploying-an-infrastructure-for-a-macos-app-distribution.mdx",
+    "blog/fr/02-Claude-Design-vs-Figma-Make.mdx",
+    "blog/fr/01-How-I-built-my-new-website-and-why.mdx",
     "blog/fr/02.mdx",
     "blog/en/02.mdx",
-    "blog/fr/02-Claude-Design-vs-Figma-Make.mdx",
     "blog/en/02-Claude-Design-vs-Figma-Make.mdx",
     "projects/fr/Thence.mdx",
     "projects/en/Thence.mdx",
-    "blog/fr/01-How-I-built-my-new-website-and-why.mdx",
-    "blog/en/01-How-I-built-my-new-website-and-why.mdx",
-    "blog/template.mdx",
-    "projects/fr/MGDev.mdx",
-    "projects/en/MGDev.mdx"
+    "blog/en/01-How-I-built-my-new-website-and-why.mdx"
   ]
 }
\ No newline at end of file