martentropp.github.io

Personal portfolio website built with HTML, CSS, and JavaScript.

Structure

.
├── index.html   # Content and markup
├── style.css    # Styling
├── script.js    # Theme toggle and scroll animations

Features

• Light / dark mode with system preference detection and manual toggle (persisted to localStorage)
• Scroll-triggered fade-in animations
• Fully responsive down to mobile
• No dependencies or build tools

Local development

Open index.html directly in a browser.