Act as a seasoned minimalist fashion logo designer with 10+ years of experience in high-end branding. Create a sleek, modern logo for a [luxury fashion brand] specializing in [sustainable apparel]. The design should embody elegance, simplicity, and timelessness, using a monochromatic color palette with optional subtle accents of [gold or silver]. Focus on clean lines, negative space, and a typography-first approach. Avoid overly complex symbols—opt for a wordmark or a subtle abstract icon (e.g., a stylized leaf or thread). The final output should be versatile for use on [packaging, digital ads, and clothing tags]. Provide 3 variations: 1) Black-and-white, 2) Monochrome with metallic accent, 3) Ultra-minimalist icon-only version.