<nav class="bc-12" aria-label="Breadcrumb">
  <ol class="bc-12__list">
    <li class="bc-12__item">
      <a class="bc-12__link" href="javascript:void(0)">
        <span class="bc-12__dot" aria-hidden="true"></span>
        <span class="bc-12__label">Home</span>
      </a>
    </li>
    <li class="bc-12__item">
      <a class="bc-12__link" href="javascript:void(0)">
        <span class="bc-12__dot" aria-hidden="true"></span>
        <span class="bc-12__label">Components</span>
      </a>
    </li>
    <li class="bc-12__item">
      <a class="bc-12__link bc-12__link--cur" aria-current="page" href="javascript:void(0)">
        <span class="bc-12__dot" aria-hidden="true"></span>
        <span class="bc-12__label">Buttons</span>
      </a>
    </li>
  </ol>
</nav>

.bc-12__list {
  display: flex;
  align-items: center;
  list-style: none;
  padding: 14px 18px 8px;
  margin: 0;
  position: relative;
}

.bc-12__list::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 24px;
  right: 24px;
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(139, 127, 255, 0.65) 0%,
    rgba(139, 127, 255, 0.65) var(--bc12-cur, 100%),
    rgba(255, 255, 255, 0.12) var(--bc12-cur, 100%),
    rgba(255, 255, 255, 0.12) 100%
  );
  border-radius: 2px;
}

.bc-12__item {
  flex: 1;
  display: flex;
  justify-content: center;
}

.bc-12__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  position: relative;
  padding: 0 6px;
  transition: transform 0.2s;
}

.bc-12__link:hover {
  transform: translateY(-2px);
}

.bc-12__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #0e0e16;
  border: 2px solid rgba(139, 127, 255, 0.65);
  position: relative;
  z-index: 1;
  transition:
    background 0.2s,
    border-color 0.2s,
    box-shadow 0.2s;
}

.bc-12__link:hover .bc-12__dot {
  border-color: #a78bfa;
  background: rgba(139, 127, 255, 0.15);
}

.bc-12__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
  white-space: nowrap;
}

.bc-12__link:hover .bc-12__label {
  color: rgba(255, 255, 255, 0.85);
}

.bc-12__link--cur {
  pointer-events: none;
}

.bc-12__link--cur .bc-12__dot {
  background: #a78bfa;
  border-color: #a78bfa;
  box-shadow:
    0 0 0 4px rgba(167, 139, 250, 0.18),
    0 0 14px rgba(167, 139, 250, 0.6);
  animation: bc12pulse 2s ease-in-out infinite;
}

.bc-12__link--cur .bc-12__label {
  color: #fff;
  font-weight: 700;
}

@keyframes bc12pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 4px rgba(167, 139, 250, 0.18),
      0 0 14px rgba(167, 139, 250, 0.6);
  }
  50% {
    box-shadow:
      0 0 0 6px rgba(167, 139, 250, 0.08),
      0 0 22px rgba(167, 139, 250, 0.85);
  }
}

@media (prefers-reduced-motion: reduce) {
  .bc-12__link--cur .bc-12__dot {
    animation: none;
  }
  .bc-12__link:hover {
    transform: none;
  }
}