"Design a modern, high-end logo for a luxury tech company, with the symbol prominently featuring a stylized letter 'A' in the form of an uppercase Greek delta (Δ). The logo should exude sophistication, innovation, and trust, incorporating sleek geometric lines, subtle metallic or gradient finishes, and a minimalist touch. Ensure the 'A' design is balanced and symmetrical, symbolizing growth, peak performance, and digital innovation."  --s 750