Ланцюжок точок

<div class="dots-chain">
  <span></span>
  <span></span>
  <span></span>
  <span></span>
  <span></span>
</div>

<style>
.dots-chain {
  display: inline-flex;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.92), rgba(139, 92, 246, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.dots-chain span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(145deg, #8b5cf6, #22d3ee);
  animation: chainPulse 1.4s ease-in-out infinite;
}

.dots-chain span:nth-child(1) {
  animation-delay: 0s;
}

.dots-chain span:nth-child(2) {
  animation-delay: 0.1s;
}

.dots-chain span:nth-child(3) {
  animation-delay: 0.2s;
}

.dots-chain span:nth-child(4) {
  animation-delay: 0.3s;
}

.dots-chain span:nth-child(5) {
  animation-delay: 0.4s;
}

@keyframes chainPulse {
  0%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
  }
}
</style>