docs(fern): clarify getting started navigation

Group tutorials under Get Started and label the homepage explore cards so readers can scan learning paths and reference material more quickly.

Author: pimlock

fern/main.css

@@ -552,6 +552,33 @@ svg.card-icon{
 .fern-docs-badge{
     border-radius: var(--rounded);
 }
+
+.explore-cards .fern-card {
+    display: flex;
+    height: 100%;
+}
+
+.explore-cards .fern-card > div,
+.explore-cards .fern-card > div > div {
+    display: flex;
+    flex: 1 1 auto;
+    flex-direction: column;
+    width: 100%;
+}
+
+.explore-cards .fern-card p {
+    margin-bottom: 0.75rem;
+}
+
+.explore-cards .fern-card .fern-docs-badge {
+    align-self: flex-start;
+    margin-top: auto;
+}
+
+.explore-cards .fern-card br {
+    display: none;
+}
+
 .fern-page-actions button:hover{
     background-color: transparent !important;
 }

fern/pages/index.mdx

@@ -91,57 +91,67 @@ Refer to the [Quickstart](/get-started/quickstart) for more details.
 
 ## Explore
 
+<div className="explore-cards">
 <Cards>
 
 <Card title="About OpenShell" href="/about/overview">
 
 Learn about OpenShell and its capabilities.
 
+<Badge intent="tip" minimal outlined>Concept</Badge>
 </Card>
 
 <Card title="Quickstart" href="/get-started/quickstart">
 
 Install the CLI and create your first sandbox in two commands.
 
+<Badge intent="tip" minimal outlined>Tutorial</Badge>
 </Card>
 
 <Card title="Tutorials" href="/tutorials/index">
 
 Hands-on walkthroughs from first sandbox to custom policies.
 
+<Badge intent="tip" minimal outlined>Concept</Badge>
 </Card>
 
 <Card title="Gateways and Sandboxes" href="/sandboxes/manage-gateways">
 
 Deploy gateways, create sandboxes, configure policies, providers, and community images for your AI agents.
 
+<Badge intent="tip" minimal outlined>Concept</Badge>
 </Card>
 
 <Card title="Inference Routing" href="/inference/about">
 
 Keep inference traffic private by routing API calls to local or self-hosted backends.
 
+<Badge intent="tip" minimal outlined>Concept</Badge>
 </Card>
 
 <Card title="Observability" href="/observability/index">
 
 Understand sandbox logs, access them via CLI and TUI, and export OCSF JSON records.
 
+<Badge intent="tip" minimal outlined>How-To</Badge>
 </Card>
 
 <Card title="Reference" href="/reference/default-policy">
 
 Policy schema, environment variables, and system architecture.
 
+<Badge intent="tip" minimal outlined>Reference</Badge>
 </Card>
 
 <Card title="Security Best Practices" href="/security/best-practices">
 
 Every configurable security control, its default, and the risk of changing it.
 
+<Badge intent="tip" minimal outlined>Concept</Badge>
 </Card>
 
 </Cards>
+</div>
 
 ---
 

fern/versions/latest.yml

@@ -8,9 +8,10 @@ navigation:
     path: ../pages/index.mdx
   - page: "Quickstart"
     path: ../pages/get-started/quickstart.mdx
+  - folder: ../pages/tutorials
+    skip-slug: true
 - folder: ../pages/about
   title: "About NVIDIA OpenShell"
-- folder: ../pages/tutorials
 - folder: ../pages/sandboxes
 - folder: ../pages/inference
   title: "Inference Routing"