html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.test-a {
  margin: 0;
  position: relative;
  box-sizing: border-box;
  width: clamp(240px, 82vw, 360px);
  padding: 20px;
}

.test-a__orb {
  position: absolute;
  width: 50%;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(20px);
  opacity: 1;
}

.test-a__orb--1 {
  background: radial-gradient(#2f6df6 0%, #2f6df6 45%, transparent 72%);
  top: -8%;
  left: -8%;
  animation: floatA 2s steps(4, jump-none) infinite;
}

.test-a__orb--2 {
  background: radial-gradient(#ff4d1f 0%, #ff4d1f 45%, transparent 72%);
  bottom: -8%;
  right: -6%;
  animation: floatB 2s steps(4, jump-none) infinite;
  animation-delay: -1s;
}

.test-a__card {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  padding: 20px;
  background: rgba(23, 20, 26, 0.22);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.test-a__card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  mix-blend-mode: overlay;
  background-image: radial-gradient(rgba(255, 255, 255, 0.6) 0.5px, transparent 0.5px), radial-gradient(rgba(23, 20, 26, 0.6) 0.5px, transparent 0.5px);
  background-size: 3px 3px, 5px 5px;
}

.test-a__quote {
  position: relative;
  z-index: 1;
  margin: 0 0 12px;
  color: #ffffff;
  font: 600 clamp(12px, 3vw, 13.5px)/1.5 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.test-a__name {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #ffffff;
  font-weight: 600;
  font-size: clamp(10.5px, 2.4vw, 11.5px);
  line-height: 1.3;
}

@keyframes floatA {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(24px, 28px);
  }
}
@keyframes floatB {
  0%, 100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-28px, -20px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .test-a__orb {
    animation: none;
  }
}