#airtel-letter-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  overflow: hidden;
}

.airtel-world-letter {
  position: absolute;
  top: -12%;
  width: 52px;
  height: 52px;
  margin-left: -26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Poppins", system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: #fff;
  background: linear-gradient(145deg, #ff6b00, #e60000);
  border: 3px solid #ffeb3b;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
  pointer-events: none;
  will-change: transform;
}

.airtel-world-letter.airtel-letter-pulse {
  animation: airtel-letter-pulse 0.35s ease-out;
}

@keyframes airtel-letter-pulse {
  50% {
    transform: scale(1.25);
  }
}