Classical staircase design refers to the architectural style of staircases that were prevalent during ancient times. These designs often feature intricate patterns, symmetrical shapes, and decorative elements. Key characteristics include the use of stone or wood materials, curved or straight railings, and ornate balusters. The styles can vary significantly depending on the cultural context, such as Greek, Roman, Gothic, or Renaissance. Today, classical staircase design is still admired for its elegance and craftsmanship.