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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.fc-scene {
  position: relative;
  width: min(340px, 90vw);
  aspect-ratio: 340/190;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.fc-blob {
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  filter: blur(30px);
  opacity: 0.75;
}

.fc-blob--a {
  background: #2f6df6;
  top: -30px;
  left: -20px;
}

.fc-blob--b {
  background: #fff7e6;
  bottom: -40px;
  right: -10px;
}

.fc-card {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  width: min(220px, 80%);
  padding: 24px 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: #fff7e6;
  font: 600 13px/1.4 -apple-system, "Segoe UI", sans-serif;
  transition: transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.fc-card__eyebrow {
  font-size: 11px;
  letter-spacing: 0.02em;
}

.fc-card__title {
  font-size: 18px;
  font-weight: 700;
}

.fc-card__desc {
  font-size: 12px;
  opacity: 0.8;
  font-weight: 500;
}

.fc-focal:hover {
  transform: scale(1.03);
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

@keyframes fc-breathe {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  }
  50% {
    transform: scale(1.03);
    box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  }
}
.fc-scene.is-demo .fc-focal {
  animation: fc-breathe 300ms cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

@media (prefers-reduced-motion: reduce) {
  .fc-focal:hover,
  .fc-scene.is-demo .fc-focal {
    animation: none !important;
    transform: none !important;
    box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32) !important;
  }
}