Produce a brand identity guide for a dating business, usable by design and marketing teams. Target audience: {{target_audience}}. Brand personality: {{tone}}. Include: Brand Strategy Foundation, Visual Identity System (Logo, Color Palette, Typography), Brand Voice & Messaging, Photography & Imagery, Application Examples. Use concrete values (HEX codes, font names, pixel sizes). Maximum 1800 words. All sections must be complete with no omissions. Paste any relevant background information after these instructions before running.