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);
}

.pricing {
  display: flex;
  align-items: center;
  gap: 8px;
  width: clamp(240px, 84vw, 360px);
}

.plan {
  box-sizing: border-box;
  flex: 1;
  padding: 12px;
  border: 3px solid #17141a;
  border-radius: 0;
  background: #fff7e6;
  box-shadow: 4px 4px 0 #17141a;
}

.plan--pro {
  position: relative;
  z-index: 1;
  margin-left: -8px;
  background: #ffd23f;
  box-shadow: 8px 8px 0 #17141a;
  transform: rotate(-3deg);
  animation: breathe 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

.plan__badge {
  box-sizing: border-box;
  position: absolute;
  top: -12px;
  left: 12px;
  border: 3px solid #17141a;
  border-radius: 999px;
  background: #0a4fe8;
  color: #fff7e6;
  padding: 4px 12px;
  font-weight: 800;
  font-size: clamp(10px, 2.4vw, 11px);
  text-transform: uppercase;
}

.plan__name {
  margin: 0 0 4px;
  color: #17141a;
  font-weight: 800;
  font-size: clamp(13px, 3vw, 15px);
}

.plan__price {
  margin: 0;
  color: rgba(23, 20, 26, 0.72);
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 13px);
}

@keyframes breathe {
  0%, 100% {
    transform: rotate(-3deg) scale(1);
  }
  50% {
    transform: rotate(-3deg) scale(1.035);
  }
}
@media (prefers-reduced-motion: reduce) {
  .plan--pro {
    animation: none !important;
    transform: rotate(-3deg);
  }
}