17MB 인트로 영상 기본 OFF + 영상 껴도 예쁜 파스텔 배경 폴백 — POP-SPOT v2.4

// PastelBackground — 양쪽 테마 올롬라운드
export function PastelBackground() {
  return (
    <>
      <div className="absolute inset-0 -z-10 bg-amber-50 dark:bg-[#1a1820]" />
      <div className="absolute top-[10%] -left-40 w-[600px] h-[600px]
                      rounded-full bg-pink-300/30 dark:bg-pink-500/15
                      blur-[120px] pointer-events-none" />
      {/* ... 총 6 개 orb */}
    </>
  );
}

// GiantWordmark — 거대 outline POP·SPOT
export function GiantWordmark() {
  return (
    <h2 className="absolute select-none pointer-events-none
                   text-[280px] font-black tracking-tighter
                   text-zinc-900/[0.04] dark:text-white/[0.04]">
      POP·SPOT
    </h2>
  );
}

const [videoOn, setVideoOn] = useState(false);  // 기본 OFF

<button onClick={() => setVideoOn(v => !v)} aria-pressed={videoOn}>
  {videoOn ? <VolumeOff /> : <Volume />}
</button>

{videoOn
  ? <video src="/intro.mp4" autoPlay muted loop />
  : <PastelBackground />}