I think you might be deterring clients ,try to reduce the number of prompts on your form. I understand you're trying to save time and weed out people who aren't serious out, but your form and wording could also come across as, "my time is important, so give me all the details about your project first so I can determine if it is worth it to talk to you."
I definitely want the form to feel more like "Yes, I'd love to work with you". Simpler seems to be the consensus, so I'm thinking just Name/Email/Project Details/Budget (adding a "not sure" option).
That sounds much better
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