Google results are not just 10 blue links anymore. Featured snippets, People Also Ask, image packs, local 3-pack. These sit above the normal results. Sometimes you can win these even if you are not ranking #1.
Featured Snippets = Position Zero
Answer a question concisely in 40-60 words, right after an H2 that is the question itself. Use bullet lists for steps. Google pulls this text directly into the snippet box.
People Also Ask
Structure your content as Q&A. Each H2 is a question. Each section answers it directly. Google loves this format.