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);
}

.fl {
  width: min(100%, 400px);
}

.fl__eyebrow {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  font-weight: 700;
  font-size: clamp(8px, 2.4vw, 10px);
  line-height: 1;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.72);
}

.fl__ico {
  display: inline-flex;
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  color: #2f6df6;
}

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

.fl__title {
  margin: 4px 0 0;
  font-weight: 800;
  font-size: clamp(13px, 3.6vw, 16px);
  line-height: 1.25;
  color: #fff7e6;
}

.fl__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.fl__row {
  display: grid;
  grid-template-columns: 14px 1fr;
  align-items: center;
  gap: 12px;
  padding: 4px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.fl__row:first-child {
  border-top: 0;
}

.fl__orb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(47, 109, 246, 0.5);
  background: radial-gradient(circle at 34% 26%, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0) 44%), radial-gradient(circle at 52% 54%, #2f6df6 0%, rgba(47, 109, 246, 0.45) 58%, rgba(23, 20, 26, 0.92) 100%);
}

.fl__label {
  font-weight: 600;
  font-size: clamp(10px, 3vw, 12px);
  line-height: 1.3;
  color: #fff7e6;
}

.fl.is-demo .fl__orb,
.fl.is-demo .fl__label {
  animation-duration: 2s;
  animation-timing-function: ease-out;
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}

.fl.is-demo .fl__orb {
  animation-name: flWake;
}

.fl.is-demo .fl__label {
  animation-name: flLabelWake;
}

.fl.is-demo .fl__row:nth-child(1) .fl__orb, .fl.is-demo .fl__row:nth-child(1) .fl__label {
  animation-delay: 0ms;
}

.fl.is-demo .fl__row:nth-child(2) .fl__orb, .fl.is-demo .fl__row:nth-child(2) .fl__label {
  animation-delay: 334ms;
}

.fl.is-demo .fl__row:nth-child(3) .fl__orb, .fl.is-demo .fl__row:nth-child(3) .fl__label {
  animation-delay: 667ms;
}

.fl.is-demo .fl__row:nth-child(4) .fl__orb, .fl.is-demo .fl__row:nth-child(4) .fl__label {
  animation-delay: 1000ms;
}

.fl.is-demo .fl__row:nth-child(5) .fl__orb, .fl.is-demo .fl__row:nth-child(5) .fl__label {
  animation-delay: 1334ms;
}

.fl.is-demo .fl__row:nth-child(6) .fl__orb, .fl.is-demo .fl__row:nth-child(6) .fl__label {
  animation-delay: 1667ms;
}

@keyframes flWake {
  0% {
    opacity: 0.32;
    transform: scale(0.86);
  }
  5% {
    opacity: 1;
    transform: scale(1.18);
  }
  11% {
    opacity: 1;
    transform: scale(1.06);
  }
  16% {
    opacity: 0.32;
    transform: scale(0.86);
  }
  100% {
    opacity: 0.32;
    transform: scale(0.86);
  }
}
@keyframes flLabelWake {
  0% {
    opacity: 0.62;
  }
  5% {
    opacity: 1;
  }
  11% {
    opacity: 1;
  }
  16% {
    opacity: 0.62;
  }
  100% {
    opacity: 0.62;
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .fl__eyebrow {
    font-size: 8px;
  }
  .fl__ico {
    width: 10px;
    height: 10px;
  }
  .fl__title {
    font-size: 11px;
  }
  .fl__list {
    margin-top: 8px;
  }
  .fl__row {
    grid-template-columns: 10px 1fr;
    gap: 8px;
  }
  .fl__orb {
    width: 10px;
    height: 10px;
  }
  .fl__label {
    font-size: 9px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .fl.is-demo .fl__orb,
  .fl.is-demo .fl__label {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}
