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);
}

.footer {
  width: clamp(240px, 84vw, 380px);
  display: flex;
  gap: clamp(8px, 2.4vw, 12px);
}

.footer__tile {
  flex: 1;
  border-radius: 16px;
  background: rgba(23, 20, 26, 0.04);
  padding: clamp(12px, 3.4vw, 16px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  animation: tileReveal 2s ease-out infinite;
}

.footer__tile:nth-child(2) {
  animation-delay: -0.66s;
}

.footer__tile:nth-child(3) {
  animation-delay: -1.33s;
}

.footer__head {
  margin: 0;
  color: #17141a;
  opacity: 0.72;
  font-weight: 700;
  font-size: clamp(9.5px, 2.2vw, 11px);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer__link {
  margin: 0;
  color: #17141a;
  font-weight: 600;
  font-size: clamp(11px, 2.6vw, 12.5px);
  line-height: 1.3;
}

@keyframes tileReveal {
  0% {
    opacity: 0.35;
    transform: translateY(8px) scale(0.97);
  }
  35% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  65% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0.35;
    transform: translateY(8px) scale(0.97);
  }
}
@media (prefers-reduced-motion: reduce) {
  .footer__tile {
    animation: none !important;
    opacity: 1;
    transform: none;
  }
}