@markosaric it does have a WordPress auto update backdoor though...
But props to the clean design showing that design and ethics aren't exclusive.
I've done similar with my blog but I chose to expose the default stylesheet as a personal statement, though no reason why it can't use a fully jazzed up theme: https://thinkmoult.com/panblog-new-minimal-plaintext-blog-system.html
I like the carbon neutral thing, I took a slightly different approach which you might be interested in: https://thinkmoult.com/effective-altruism-living-net-positive-life.html
@thinkMoult thanks for the kind words and for sharing your approach!