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

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

.footerhud {
  position: relative;
  box-sizing: border-box;
  width: clamp(260px, 88vw, 460px);
  padding: 24px 20px 16px;
  border-radius: 16px;
  background: #17141a;
  box-shadow: 0 0 0 1px rgba(255, 210, 63, 0.4), 0 0 24px rgba(255, 210, 63, 0.16);
  overflow: hidden;
}

.footerhud__noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  background: repeating-linear-gradient(45deg, rgba(255, 210, 63, 0.9) 0 1px, rgba(255, 210, 63, 0) 1px 4px);
  background-size: 12px 12px;
  animation: noiseFlicker 2s steps(8) infinite;
}

@keyframes noiseFlicker {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 120px 84px;
  }
}
.footerhud__corner {
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
  border-color: #ffd23f;
  border-style: solid;
  border-width: 0;
  animation: cornerPulse 2s ease-out infinite;
}

.footerhud__corner--tl {
  top: 8px;
  left: 8px;
  border-top-width: 2px;
  border-left-width: 2px;
  transform-origin: top left;
}

.footerhud__corner--tr {
  top: 8px;
  right: 8px;
  border-top-width: 2px;
  border-right-width: 2px;
  transform-origin: top right;
  animation-delay: -0.15s;
}

@keyframes cornerPulse {
  0%, 100% {
    transform: scale(0.55);
    opacity: 0.35;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
}
.footerhud__cols {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 0 16px;
}

.footerhud__col {
  min-width: 0;
}

.footerhud__head {
  margin: 0 0 8px;
  color: #ffd23f;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.1em;
}

.footerhud__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footerhud__col li {
  color: rgba(255, 247, 230, 0.7);
  font-weight: 500;
  font-size: clamp(10px, 2.4vw, 11px);
  line-height: 1.4;
  font-family: inherit;
}

.footerhud__copy {
  position: relative;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 210, 63, 0.18);
  color: rgba(255, 247, 230, 0.72);
  font-family: "Courier New", monospace;
  font-weight: 400;
  font-size: clamp(9px, 2.2vw, 10px);
  line-height: 1;
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: reduce) {
  .footerhud__noise, .footerhud__corner {
    animation: none !important;
  }
  .footerhud__noise {
    opacity: 0.03;
  }
  .footerhud__corner {
    transform: scale(1);
    opacity: 1;
  }
}