Create a 5-second ultra-premium brand audio sting for a luxury electric vehicle brand. Mood: refined, intelligent, confident, modern. Style: minimal luxury tech — clean synth textures, soft piano or tonal plucks, subtle digital shimmer, no heavy beats. Tempo: slow to mid, controlled and elegant. Sound should feel global, high-end, and future-forward, similar to premium automotive or technology brand signatures. Structure: – First 3 seconds: build a sense of intelligent sophistication – Final 2 s