feat(docs): upgrade installation, dashboard, and certificate request guides with premium UI and assets

pages/guide/getting-started/install-root-ca.mdx

@@ -1,5 +1,5 @@
-import { Tabs } from 'nextra/components'
-import { Steps } from 'nextra/components'
+import { Tabs, Steps, Cards, Card, Callout } from 'nextra/components'
+import { Monitor, Smartphone } from 'lucide-react'
 
 # Installing Root CA
 
@@ -36,9 +36,20 @@ Select your distribution to get the optimized installation command:
   </Tabs.Tab>
 </Tabs>
 
-### Windows / macOS
-*   **Windows**: [Download Bundle Installer (.bat)](https://cdn.trustlab.dyzulk.com/ca/bundles/trustlab-all.bat) (Right-click > Run as Admin)
-*   **macOS/iOS**: [Download Configuration Profile (.mobileconfig)](https://cdn.trustlab.dyzulk.com/ca/bundles/trustlab-all.mobileconfig)
+### Windows & Apple Ecosystem
+
+<Cards>
+  <Card icon={<Monitor className="w-6 h-6" />} title="Windows Bundle Installer (.bat)" href="https://cdn.trustlab.dyzulk.com/ca/bundles/trustlab-all.bat" arrow />
+  <Card icon={<Smartphone className="w-6 h-6" />} title="macOS / iOS Profile (.mobileconfig)" href="https://cdn.trustlab.dyzulk.com/ca/bundles/trustlab-all.mobileconfig" arrow />
+</Cards>
+
+<Callout type="warning" emoji="⚠️">
+  **Windows Users:** You **MUST** right-click the `.bat` file and select **"Run as Administrator"**. Double-clicking directly will likely fail due to permission restrictions.
+</Callout>
+
+<Callout type="info" emoji="ℹ️">
+  **Apple Users:** After downloading the profile, go to **System Settings > Privacy & Security > Profiles** to install it. For iOS, see the *Individual Installation* section below for detailed trust steps.
+</Callout>
 
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