A breathtaking cosmic scene featuring a beautiful ethereal woman with long flowing hair, standing gracefully inside a gigantic glowing Fibonacci spiral nautilus shell. She is wearing a long, elegant, semi-transparent dress with intricate golden patterns that flows dramatically in the wind. The spiral is made of luminous energy with vibrant colors: glowing turquoise, cyan, deep blue, orange and golden light. The spiral follows the perfect golden ratio and Fibonacci sequence, with subtle Fibonacci numbers and golden ratio lines faintly visible in the structure. Cosmic space background with stars and nebulae. The woman has her arms slightly open, looking upwards in awe, mystical and spiritual atmosphere, dramatic lighting, glowing particles, highly detailed, cinematic, surreal sacred geometry art, masterpiece, 8k, ultra realistic yet fantastical