Design a minimalist circular logo composed of a stylized letter "O" on a white backdrop. The character should be formed of two smooth flowing curves that loop in harmony at the center to completely enclose negative space. Employ a color scheme with the lines in a dark saturated tone like black and leave the interior and setting untinted. Balance aesthetic symmetry with a sense of movement emanating from the elegant curves. Refine details to achieve clean linear precision while maintaining an overall gestalt of effortless fluidity. Focus composition on proportion and positioning the figure prominently within the border to produce an impression of visual balance and poise. Execute a refined vector rendering with mastery of nuanced technique to entirely satisfy the brand archetype exhibited.