diff --git a/src/components/Home/CommunityCards.astro b/src/components/Home/CommunityCards.astro
index d2c875e..78fc69f 100644
--- a/src/components/Home/CommunityCards.astro
+++ b/src/components/Home/CommunityCards.astro
@@ -6,7 +6,7 @@ import Card from '../Card.astro'
   <div class="p-3 md:px-20 md:py-10 w-full">
 
     <div class="divider h-[unset] whitespace-normal">
-      <h2 class="text-3xl font-bold text-center tracking-wider p-5 uppercase">
+      <h2 class="text-3xl font-bold tracking-wider p-5 uppercase">
         for the research community
       </h2>
     </div>
diff --git a/src/components/Navbar.astro b/src/components/Navbar.astro
index bd326c1..7e52619 100644
--- a/src/components/Navbar.astro
+++ b/src/components/Navbar.astro
@@ -1,15 +1,41 @@
 ---
 import ThemeController from "./ThemeController.astro"
+import RecMenu from "./RecMenu.astro"
+import { type Link } from "./RecMenu.astro"
 import { URLS } from "../statics"
 
-const links = [
+const links: Link[] = [
   {href: URLS.Internal_Home, text: "Home"},
-  {href: "/arc-website/knowledgebase", text: "Knowledgebase"},
+  {text: "Research Community", children: [
+    {href: "/", text: "Minimal Organisation Principal 🚧"},
+    {href: "/", text: "Tools and Services 🚧"},
+    {href: "/", text: "Support 🚧"},
+    {text: "More", children: [
+      {href: "/", text: "documentation principle 🚧"},
+      {href: "/", text: "organization principle 🚧"},
+      {href: "/", text: "quality control 🚧"},
+      {href: "/", text: "exchange & publication 🚧"},
+      {href: "/", text: "RDM & FAIRness 🚧"},
+    ]},
+  ]},
+  {text: "RDM Community", children: [
+    {href: "/", text: "ARC data model 🚧"},
+    {href: "/", text: "ARC representation 🚧"},
+    {href: "/", text: "ARC (meta)data framework 🚧"},
+    {text: "More", children: [
+      {href: "/", text: "FAIR Digital Object 🚧"},
+      {href: "/", text: "validation 🚧"},
+      {href: "/", text: "continuous Integration 🚧"},
+      {href: "/", text: "versioning 🚧"},
+      {href: "/", text: "libraries 🚧"},
+    ]},
+  ]},
   {href: URLS.Internal_Tools, text: "Tools"},
   {href: "/arc-website/Partners", text: "Partners"},
 ]
 ---
 
+
 <div class="navbar shadow-md dark:shadow-primary text-primary mb-1 z-50">
   <div class="navbar-start">
     <div class="dropdown">
@@ -27,24 +53,14 @@ const links = [
             d="M4 6h16M4 12h8m-8 6h16" />
         </svg>
       </div>
-      <ul
-        tabindex="0"
-        class="menu menu-sm dropdown-content bg-base-100 rounded-box z-[1] mt-3 w-52 p-2 shadow">
-        {links.map((link) => (
-          <li><a href={link.href}>{link.text}</a></li>
-        ))}
-      </ul>
+      <RecMenu className="menu menu-sm dropdown-content bg-base-100 rounded-box z-[1] mt-3 w-52 p-2 shadow" links={links} />
     </div>
     <a class="btn btn-ghost text-xl" href={URLS.Internal_Home} >
       <img src="/arc-website/favicon.svg" alt="logo" class="h-8 w-8" />
     </a>
   </div>
   <div class="navbar-center hidden lg:flex">
-    <ul class="menu menu-horizontal px-1">
-      {links.map((link) => (
-        <li><a href={link.href}>{link.text}</a></li>
-      ))}
-    </ul>
+    <RecMenu className="menu menu-horizontal px-1" links={links} />
   </div>
   <div class="navbar-end">
     <a class="btn btn-ghost btn-circle" href={URLS.GITHUB_REPO}>
diff --git a/src/components/RecMenu.astro b/src/components/RecMenu.astro
new file mode 100644
index 0000000..f892388
--- /dev/null
+++ b/src/components/RecMenu.astro
@@ -0,0 +1,26 @@
+---
+
+export interface Link {
+  href?: string
+  text: string
+  children?: Link[]
+}
+
+const links: Link[] = Astro.props.links
+const className: string | string[] = Astro.props.className
+---
+
+<ul class:list={className} class="lg:min-w-max">
+  {links.map((link: Link) => (
+    <li>
+      {link.children ? (
+        <details>
+          <summary>{link.text}</summary>
+          <Astro.self links={link.children} />
+        </details>
+      ) : (
+        <a href={link.href}>{link.text}</a>
+      )}
+    </li>
+  ))}
+</ul>
\ No newline at end of file