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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.cb {
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  width: min(100%, 420px);
  background: #17141a;
  border-radius: 16px;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  padding: 20px;
  text-align: center;
}

.cb__orb {
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -104px;
  margin-top: -104px;
  width: 208px;
  height: 208px;
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(185, 160, 255, 0.55) 0%, rgba(47, 109, 246, 0.4) 38%, rgba(47, 109, 246, 0) 70%);
  animation-name: orbDrift;
  animation-duration: 2s;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}

@keyframes orbDrift {
  0% {
    transform: translateX(-34%);
  }
  50% {
    transform: translateX(34%);
  }
  100% {
    transform: translateX(-34%);
  }
}
.cb__eyebrow,
.cb__title,
.cb__sub,
.cb__cta,
.cb__note {
  position: relative;
  z-index: 1;
}

.cb__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  font-weight: 800;
  font-size: clamp(9px, 2.6vw, 10px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: rgba(255, 247, 230, 0.72);
}

.cb__ico {
  display: inline-flex;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.cb__ico--sm {
  width: 12px;
  height: 12px;
}

.cb__ico svg {
  width: 100%;
  height: 100%;
}

.cb__title {
  margin: 8px 0 0;
  font-weight: 800;
  font-size: clamp(14px, 4.2vw, 19px);
  line-height: 1.25;
  color: #fff7e6;
}

.cb__sub {
  margin: 8px 0 0;
  font-weight: 500;
  font-size: clamp(9px, 2.8vw, 11px);
  line-height: 1.45;
  color: #fff7e6;
}

.cb__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 12px 24px;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  background: #fff7e6;
  color: #17141a;
  font-family: inherit;
  font-weight: 800;
  font-size: clamp(11px, 3.2vw, 13px);
  line-height: 1;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cb__cta:hover,
.cb__cta:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.cb__cta:active {
  transform: translateY(0);
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}

.cb__note {
  margin: 8px 0 0;
  font-weight: 600;
  font-size: clamp(8px, 2.4vw, 9px);
  line-height: 1;
  color: rgba(255, 247, 230, 0.62);
}

.cb.is-demo .cb__cta {
  animation-name: ctaLift;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
}

@keyframes ctaLift {
  0%, 40% {
    transform: translateY(0);
    box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  }
  54%, 84% {
    transform: translateY(-1px);
    box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  }
  90%, 100% {
    transform: translateY(0);
    box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .cb {
    padding: 12px;
  }
  .cb__orb {
    width: 160px;
    height: 160px;
    margin-left: -80px;
    margin-top: -80px;
  }
  .cb__eyebrow {
    font-size: 8px;
  }
  .cb__ico {
    width: 12px;
    height: 12px;
  }
  .cb__title {
    font-size: 12px;
    margin-top: 4px;
  }
  .cb__sub {
    font-size: 8px;
    margin-top: 4px;
  }
  .cb__cta {
    margin-top: 8px;
    padding: 8px 16px;
    font-size: 10px;
  }
  .cb__note {
    font-size: 7px;
    margin-top: 4px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .cb__orb {
    animation: none !important;
    transform: none !important;
  }
  .cb.is-demo .cb__cta {
    animation: none !important;
  }
  .cb__cta {
    transition: none !important;
  }
}
