.system-overview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
  margin-bottom: 18px;
}

.system-overview-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  padding: 20px;
}

.system-overview-card .section-kicker {
  margin-bottom: 4px;
}

.system-overview-card h3 {
  font-size: 1.12rem;
  margin-bottom: 8px;
}

.system-overview-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 16px;
}

.system-overview-video,
.system-overview-diagram {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  background: #000;
}

.system-overview-video {
  object-fit: contain;
}

.system-overview-diagram {
  background: #fff;
}

.system-overview-diagram img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.system-overview-actions {
  margin: 16px 0 0;
}

.system-overview-diagram:focus-visible {
  outline: 3px solid #58c7ff;
  outline-offset: 3px;
}

@media (max-width: 820px) {
  .system-overview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .system-overview-card {
    padding: 16px;
  }
}