.ext-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

@media (max-width: 860px) {
  .ext-layout {
    grid-template-columns: 1fr;
  }
}

.browser-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
}

.ext-list {
  display: grid;
  gap: 0.9rem;
}

.ext-list li {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  font-size: 0.96rem;
  color: var(--text-secondary);
}

.ext-list li svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--accent-cyan);
}

.ext-visual {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.ext-visual-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  margin-bottom: 1.25rem;
}

.ext-flow {
  display: grid;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.ext-flow-step {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: var(--bg-surface-2);
  color: var(--text-secondary);
}

.ext-flow-step .n {
  color: var(--accent-cyan);
}

.ext-flow-arrow {
  color: var(--text-muted);
  padding-left: 1.05rem;
  font-size: 0.75rem;
}