Embed individual demo videos on demos page

Replace playlist embed with individual video sections:
Hire, Onboard, Slide Prep, PDFs and Spreadsheets.

Author: djl11

basics/demos.mdx

@@ -5,7 +5,7 @@ description: "See Unify's virtual colleagues in action"
 
 ## Demo Videos
 
-Watch our virtual colleagues handle real workflows — from first hire and onboarding to cross-channel collaboration, guided screenshare walkthroughs, and learning on the job.
+Watch our virtual colleagues handle real workflows — from first hire and onboarding to document preparation and spreadsheet automation.
 
 ### Launch Video
 
@@ -21,20 +21,66 @@ The full product walkthrough: hiring, onboarding, multi-channel collaboration, c
   allowFullScreen
 />
 
-### All Demos
+---
+
+### Hire Your First Virtual Teammate
+
+See the hiring flow end-to-end: choose a name, personality, and skill set, then watch your new colleague introduce themselves.
+
+<iframe
+  width="100%"
+  height="400"
+  src="https://www.youtube.com/embed/VSAZen5iGXA"
+  title="Hire Your First Virtual Teammate"
+  frameBorder="0"
+  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+  allowFullScreen
+/>
+
+### Your Virtual Teammate Onboards Themselves
+
+Your colleague connects to your workspace, installs the tools they need, and gets themselves up to speed — no IT tickets required.
+
+<iframe
+  width="100%"
+  height="400"
+  src="https://www.youtube.com/embed/DtECHr9ghjo"
+  title="Your Virtual Teammate Onboards Themselves"
+  frameBorder="0"
+  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+  allowFullScreen
+/>
+
+### Slide Presentation Prep
 
-Browse individual demos covering specific workflows: first hire, MS 365 onboarding, guided computer use, multi-channel communication, and more.
+Watch your colleague prepare a slide deck: researching content, structuring the narrative, and assembling the final presentation.
 
 <iframe
   width="100%"
   height="400"
-  src="https://www.youtube.com/embed/videoseries?list=PLwNuX3xB_tv-AsywAKYnGVv8X5AaEUc2Z"
-  title="Unify Demo Playlist"
+  src="https://www.youtube.com/embed/TyW4l9AW6ao"
+  title="Slide Presentation Prep"
   frameBorder="0"
   allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
   allowFullScreen
 />
 
+### PDFs and Spreadsheets
+
+Your colleague extracts data from PDFs, cross-references sources, and populates spreadsheets — handling the tedious work so you don't have to.
+
+<iframe
+  width="100%"
+  height="400"
+  src="https://www.youtube.com/embed/OnC30gowahU"
+  title="PDFs and Spreadsheets"
+  frameBorder="0"
+  allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+  allowFullScreen
+/>
+
+---
+
 ## Want to see a specific workflow?
 
 If you'd like a demo tailored to your team's processes, [get in touch](https://unify.ai) and we'll walk you through it live.