How to make a SMS sign up form like this?

Hi guys, I’m not really used to making sign up forms and I just want to ask what plugins should I use to make something like this WITHOUT using Elementor.

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Thank you!

https://preview.redd.it/43kl5xe8lvda1.png?width=1610&format=png&auto=webp&v=enabled&s=5ad8bcc9e2dfb9d6d5030d18c45860a19b368201