Urgent Joomla Homepage Fix

My Joomla site (currently on 5.3.3) has slipped into the dreaded “white page” state and I need to bring it back to life, fully updated, within the next 48 hours. Here is the ground-zero checklist I want... (Budget: €30 - €250 EUR, Jobs: CSS, HTML, Joomla, PHP, Web Application, Web Design, Website Development, Website Optimization)