Convert InDesign Novel to ePub

I have a 163-page novel laid out in Adobe InDesign and I’m ready to release it on Amazon KDP. What I need is a clean, KDP-compliant ePub that preserves the look and feel of the print design while still behaving like a proper reflowable Kindle book... (Budget: £20 - £250 GBP, Jobs: Adobe InDesign, Amazon Kindle, eBook Design, eBooks, ePub, Graphic Design)