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);
}

.hero {
  position: relative;
  width: clamp(240px, 82vw, 380px);
}

.hero__blob {
  position: absolute;
  width: clamp(110px, 42vw, 170px);
  aspect-ratio: 1;
  pointer-events: none;
}

.hero__blob--a {
  top: -14px;
  left: -14px;
  background: rgba(47, 109, 246, 0.35);
  border-radius: 42% 58% 63% 37%/41% 44% 56% 59%;
  animation: blobA 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.hero__blob--b {
  bottom: -16px;
  right: -12px;
  background: rgba(255, 247, 230, 0.3);
  border-radius: 58% 42% 39% 61%/56% 63% 37% 44%;
  animation: blobB 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
  animation-delay: -1s;
}

.hero__card {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 12px;
  border-radius: 16px;
  background: #fff7e6;
  box-shadow: 8px 8px 16px rgba(23, 20, 26, 0.3), -8px -8px 16px rgba(255, 255, 255, 0.5);
  animation: cardRise 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.hero__eyebrow {
  margin: 0;
  color: #0a4fe8;
  font-weight: 700;
  font-size: clamp(10px, 2.6vw, 12px);
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero__title {
  margin: 0;
  color: #17141a;
  font-weight: 700;
  font-size: clamp(18px, 4.6vw, 24px);
  line-height: 1.2;
}

.hero__desc {
  margin: 0;
  color: rgba(23, 20, 26, 0.7);
  font-weight: 500;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1.4;
}

.hero__cta {
  margin-top: 4px;
  border: 0;
  border-radius: 999px;
  background: #17141a;
  color: #fff7e6;
  padding: 4px 20px;
  font-weight: 600;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1;
  box-shadow: 4px 4px 8px rgba(23, 20, 26, 0.3);
}

@keyframes blobA {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg) scale(1);
  }
  50% {
    transform: translate(4%, 6%) rotate(10deg) scale(1.08);
  }
}
@keyframes blobB {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg) scale(1);
  }
  50% {
    transform: translate(-5%, -4%) rotate(-8deg) scale(0.93);
  }
}
@keyframes cardRise {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .hero__blob, .hero__card {
    animation: none !important;
    transform: none;
  }
}