Modern spa interior, luxurious design, marble flooring, wooden accents, floor-to-ceiling windows, natural light pouring in, elegant chandeliers, comfortable lounge chairs, minimalist decor, sleek lines, warm ambient lighting, calming atmosphere, peaceful ambiance, indoor plants, water feature, Zen-inspired architecture, curved lines, stone walls, tranquil outdoor area, lush greenery, private cabanas, warm tone wood deck, serene background, soft focus, shallow depth of field, warm color palette.