.bl-cb-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(4rem, 8vw, 6rem);
  text-align: center;
}

.bl-cb-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}

.bl-cb-visual {
  position: relative;
  height: 400px;
  background: var(--bl-surface-2);
  border: 1px solid var(--bl-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 2rem;
}

.bl-cb-system {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 900px;
  position: relative;
}

.bl-cb-endpoint {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--bl-surface-1);
  border: 2px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  color: var(--bl-text-secondary);
  position: relative;
  z-index: 3;
}

.bl-cb-endpoint--active {
  border-color: var(--bl-color-brand);
  color: var(--bl-color-brand);
  box-shadow: 0 0 20px rgba(61, 191, 176, 0.2);
}

.bl-cb-core {
  flex-grow: 1;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 2rem;
}

.bl-cb-nodes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  z-index: 2;
}

.bl-cb-node {
  background: var(--bl-surface-1);
  border: 1px solid var(--bl-border);
  padding: 1rem;
  border-radius: 4px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--bl-text-primary);
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
}

.bl-cb-connection {
  position: absolute;
  top: 50%;
  height: 2px;
  background: var(--bl-color-brand);
  transform: translateY(-50%) scaleX(0);
  z-index: 1;
}

.bl-cb-connection--left {
  left: 0;
  right: 50%;
  transform-origin: right;
}

.bl-cb-connection--right {
  left: 50%;
  right: 0;
  transform-origin: left;
}

@media (max-width: 1023px) {
  .bl-cb-visual {
    height: auto;
    padding: 3rem 1rem;
  }
  .bl-cb-system {
    flex-direction: column;
    gap: 3rem;
  }
  .bl-cb-connection {
    width: 2px;
    height: 100%;
    left: 50%;
    top: 0; bottom: 0;
    transform: translateX(-50%) scaleY(0);
  }
  .bl-cb-connection--left {
    top: 0;
    bottom: 50%;
    right: auto;
    transform-origin: bottom;
  }
  .bl-cb-connection--right {
    top: 50%;
    bottom: 0;
    left: 50%;
    transform-origin: top;
  }
  .bl-cb-nodes {
    grid-template-columns: repeat(2, 1fr);
  }
}