Add starter code for research showcase page

[Copilot]

Implements a production-ready landing page for showcasing mechanistic interpretability research and tools.

Structure

• index.html - Single-page layout with hero, research cards, demos section, and about
• styles.css - Responsive design with CSS variables, gradient backgrounds, and scroll animations
• script.js - Smooth scrolling, active nav state tracking, intersection observer for card animations
• docs/ - Setup guide, customization examples, and concept overview

Key Features

• Zero dependencies - pure HTML/CSS/JS
• Mobile-responsive with CSS Grid/Flexbox
• Extensible card-based layout for adding research topics and demos
• Active navigation state synced to scroll position

Preview

Usage

python -m http.server 8000
# Navigate to http://localhost:8000

Customize by editing CSS variables for theming or adding new research cards to the grid.

Original prompt

Starter code for a research showcase page.

---

💬 We'd love your input! Share your thoughts on Copilot coding agent in our 2 minute survey.