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);
}

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

.heroneu__orb {
  position: absolute;
  width: clamp(90px, 34vw, 140px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(47, 109, 246, 0.3);
  pointer-events: none;
  filter: blur(2px);
}

.heroneu__orb--a {
  top: -18px;
  left: -18px;
  animation: orbA 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.heroneu__orb--b {
  bottom: -20px;
  right: -14px;
  background: rgba(47, 109, 246, 0.18);
  animation: orbB 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
  animation-delay: -1s;
}

.heroneu__card {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 16px;
  border-radius: 16px;
  background: rgb(16.2980392157%, 15.2156862745%, 17.3803921569%);
  box-shadow: 9px 9px 16px rgba(6.5192156863%, 6.0862745098%, 6.9521568627%, 0.5), -9px -9px 16px rgba(66.5192156863%, 66.0862745098%, 66.9521568627%, 0.5);
  animation: cardFloat 2s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.heroneu__eyebrow {
  margin: 0;
  color: #5b8cf8;
  font-weight: 700;
  font-size: clamp(10px, 2.6vw, 12px);
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.heroneu__title {
  margin: 0;
  color: #fff7e6;
  font-weight: 700;
  font-size: clamp(18px, 4.6vw, 24px);
  line-height: 1.2;
}

.heroneu__desc {
  margin: 0;
  color: rgba(255, 247, 230, 0.65);
  font-weight: 500;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1.4;
}

.heroneu__cta {
  margin-top: 4px;
  border: 0;
  border-radius: 999px;
  background: rgb(16.2980392157%, 15.2156862745%, 17.3803921569%);
  color: #5b8cf8;
  padding: 8px 20px;
  font-weight: 700;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1;
  box-shadow: 5px 5px 10px rgba(6.5192156863%, 6.0862745098%, 6.9521568627%, 0.5), -5px -5px 10px rgba(66.5192156863%, 66.0862745098%, 66.9521568627%, 0.5);
}

.heroneu__cta:focus-visible {
  outline: 3px solid #2f6df6;
  outline-offset: 2px;
}

@keyframes orbA {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(6%, 8%) scale(1.12);
  }
}
@keyframes orbB {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-6%, -6%) scale(0.9);
  }
}
@keyframes cardFloat {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 9px 9px 16px rgba(6.5192156863%, 6.0862745098%, 6.9521568627%, 0.5), -9px -9px 16px rgba(66.5192156863%, 66.0862745098%, 66.9521568627%, 0.5);
  }
  50% {
    transform: translateY(-6px);
    box-shadow: 12px 12px 20px rgba(6.5192156863%, 6.0862745098%, 6.9521568627%, 0.5), -12px -12px 20px rgba(66.5192156863%, 66.0862745098%, 66.9521568627%, 0.5);
  }
}
@media (prefers-reduced-motion: reduce) {
  .heroneu__orb, .heroneu__card {
    animation: none !important;
    transform: none;
  }
}