Create a minimalist, luxurious monogram logo consisting solely of the interconnected letters 'H' and 'A'. The style is ultra-clean, structural, and sophisticated, designed with precise, clean lines. The 'H' and 'A' form a unified geometric symbol, perhaps with the crossbar of the 'H' subtly integrating into a stroke of the 'A' or the letters overlapping seamlessly to create a powerful, balanced mark. The design uses a refined serif-like structure with subtle, elegant tapering at the line ends for a premium, high-end feel. The color palette is strictly monochrome: deep black on a pure white background. The mark is perfectly centered and balanced, resembling a premium product seal. No other text, elements, or decorative borders are present. The lines are crisp, precise, and timeless. The logo should look powerful and distinctive, suitable for high-end branding. The image shows the black logo mark on a clean white field.