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A luxurious, minimalistic, and visually appealing 6x9 cm business card for a café named 'Karma.' The design features an elegant and modern style with a sleek layout. Use a sophisticated color palette inspired by coffee tones (deep browns, creams, and gold accents). The café name 'Karma' should stand out prominently in stylish, clean typography, with smaller text for additional details like the address. The overall aesthetic should be refined, classy, and inviting, suitable for a high-end café.