Advanced Portrait Photography Lighting Setup Guide

Create a comprehensive guide for a professional portrait photography lighting setup that achieves [SPECIFIC MOOD/STYLE] for [SUBJECT TYPE]. Detail the exact equipment needed (camera, lenses, lights, modifiers) with positioning diagrams and distance measurements. Include camera settings (aperture, shutter speed, ISO) and lighting ratios for achieving the desired effect. Provide step-by-step instructions for setting up each light, with troubleshooting tips for common issues. Suggest variations of the setup for different effects and explain how to adapt the lighting for subjects with different features or skin tones.