Portrait Photography Lighting Techniques: Studio Setup Guide

Create a comprehensive guide on professional portrait lighting techniques for studio photography. Cover the following in detail: 1) Essential lighting equipment for portraits (types of lights, modifiers, reflectors), 2) Five classic lighting patterns (Rembrandt, butterfly, loop, split, broad/short) with setup diagrams and sample results, 3) Three-point lighting setup variations for different moods, 4) Working with different subject features (facial structures, skin tones, hair types), 5) Color theory in lighting (gels, white balance, mood creation), 6) Common lighting problems and solutions, 7) Post-processing techniques to enhance lighting in editing software. Include recommendations for photographers at different budget levels, from entry-level speedlights to professional studio strobes. Add tips for directing subjects to complement the lighting setups.