.ping::before,
.ping::after {
  content: "";
  position: absolute;
}

.ping::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-image: repeating-linear-gradient(90deg, var(--c-grid-strong) 0 14px, transparent 14px 18px, var(--c-grid-strong) 18px 20px, transparent 20px 24px);
}

.ping::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background-image: repeating-linear-gradient(180deg, var(--c-grid-strong) 0 14px, transparent 14px 18px, var(--c-grid-strong) 18px 20px, transparent 20px 24px);
}

.ping__ring,
.ping__dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 64px;
  height: 64px;
  margin: -32px 0 0 -32px;
  border-radius: 50%;
}

.ping__ring {
  border: 1px solid var(--c-accent);
  animation: mechanica-ping 3s cubic-bezier(0, 0, 0.2, 1) infinite both;
}

.ping__ring:nth-child(2) { animation-delay: 1s; }
.ping__ring:nth-child(3) { animation-delay: 2s; }

@keyframes mechanica-ping {
  from { transform: scale(1); opacity: 0.6; }
  to   { transform: scale(4); opacity: 0; }
}

.ping__dot {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--c-accent);
  color: var(--c-accent-ink);
}

.ping__dot svg {
  width: 28px;
  height: 28px;
}

.ping__label {
  position: absolute;
  top: calc(50% + 40px);
  left: calc(50% + 40px);
  padding: 2px var(--sp-2);
  border: 1px solid var(--c-grid-strong);
  border-radius: 2px;
  background-color: var(--c-bg);
  font-family: var(--font-display);
  font-size: var(--fs-tiny);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ping__label::before {
  content: "";
  position: absolute;
  right: 100%;
  bottom: 100%;
  width: 24px;
  height: 1px;
  background-color: var(--c-grid-strong);
  transform: rotate(45deg);
  transform-origin: right bottom;
}

@media (prefers-reduced-motion: reduce) {
  .ping__ring { animation: none; }

  .ping__ring:nth-child(1) { transform: scale(1.7); opacity: 0.4; }
  .ping__ring:nth-child(2) { transform: scale(2.5); opacity: 0.25; }
  .ping__ring:nth-child(3) { transform: scale(3.3); opacity: 0.12; }
}