.ai-hero {
  padding-top: 22px;
}

.ai-hero-card {
  overflow: hidden;
  padding: clamp(30px, 4vw, 56px);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-xl);
  background: var(--color-panel-deep);
  box-shadow: var(--shadow-card);
}

.ai-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: clamp(30px, 5vw, 66px);
}

.ai-hero-copy h1 {
  max-width: 670px;
  margin-top: 20px;
  color: var(--color-text-on-dark);
}

.ai-hero-lead {
  max-width: 620px;
  margin-top: 20px;
  color: var(--color-text-dark-muted);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.82;
}

.ai-hero-actions {
  margin-top: 25px;
}

.ai-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 20px;
  color: var(--color-text-dark-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  list-style: none;
}

.ai-trust li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.ai-trust li::before {
  color: var(--color-accent);
  content: '✓';
  font-weight: 900;
}

.ai-request-board {
  overflow: hidden;
  border: 1px solid var(--color-border-dark-strong);
  border-radius: var(--radius-lg);
  background: var(--color-panel-deeper);
  box-shadow: var(--shadow-console);
  transform: perspective(1300px) rotateY(-3deg) rotateX(1deg);
}

.ai-board-chrome {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-border-dark);
  background: var(--color-panel-deep);
}

.ai-board-dot {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
}

.ai-board-dot-warn {
  background: var(--color-warning);
}

.ai-board-dot-accent {
  background: var(--color-accent);
}

.ai-board-dot-success {
  background: var(--color-success);
}

.ai-board-title {
  margin-left: auto;
  color: var(--color-text-dark-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.ai-flow {
  padding: clamp(18px, 3vw, 30px);
}

.ai-flow-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  background: var(--color-dark-row);
  font-family: var(--font-mono);
}

.ai-flow-key {
  color: var(--color-warning);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.ai-flow-value {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--color-code-dark);
  font-size: 11px;
}

.ai-flow-state {
  padding: 3px 8px;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  background: var(--color-accent-tint);
  color: var(--color-accent);
  font-size: 9px;
  font-weight: 800;
}

.ai-flow-line {
  width: 1px;
  height: 14px;
  margin-inline: auto;
  border-left: 1px dashed var(--color-border-dark-strong);
}

.ai-board-note {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 14px 18px;
  border-top: 1px solid var(--color-border-dark);
  color: var(--color-text-dark-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.ai-toc-wrap {
  padding-top: 20px;
}

.ai-panel-section {
  background: var(--color-panel);
}

.ai-principle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ai-principle {
  min-width: 0;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-page);
  box-shadow: var(--shadow-chip);
}

.ai-principle-wide {
  grid-column: span 2;
}

.ai-principle-code,
.ai-guide-label {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.ai-principle h3 {
  margin-top: 10px;
}

.ai-principle > p:last-child {
  margin-top: 12px;
  color: var(--color-text-muted);
  line-height: 1.82;
}

.ai-tool-table td {
  min-width: 165px;
  color: var(--color-text-muted);
}

.ai-tool-table td:first-child {
  min-width: 130px;
  font-family: var(--font-mono);
}

.ai-table-note {
  margin-top: 18px;
}

.ai-tool-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-page);
}

.ai-tool-note {
  min-width: 0;
  padding: clamp(23px, 3vw, 34px);
  border-bottom: 1px solid var(--color-border);
}

.ai-tool-note:nth-child(odd) {
  border-right: 1px solid var(--color-border);
}

.ai-tool-note:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.ai-note-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-note-mark {
  display: inline-flex;
  min-height: 28px;
  max-width: 100%;
  align-items: center;
  padding: 4px 9px;
  overflow: hidden;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-xs);
  background: var(--color-accent-tint);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
}

.ai-note-head h3 {
  font-size: 20px;
}

.ai-tool-note > p {
  margin-top: 14px;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.ai-prose h3 {
  font-size: 22px;
}

.ai-prose .callout {
  margin-top: 24px;
}

.ai-split-guides {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ai-guide-panel {
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-page);
  box-shadow: var(--shadow-chip);
}

.ai-guide-panel-dark {
  border-color: var(--color-border-dark);
  background: var(--color-panel-deep);
  color: var(--color-text-on-dark);
}

.ai-guide-panel h3 {
  margin-top: 10px;
}

.ai-guide-panel-dark h3 {
  color: var(--color-text-on-dark);
}

.ai-check-list {
  display: grid;
  gap: 11px;
  margin-top: 20px;
  list-style: none;
}

.ai-check-list li {
  display: flex;
  gap: 9px;
  color: var(--color-text-muted);
}

.ai-guide-panel-dark .ai-check-list li {
  color: var(--color-text-dark-muted);
}

.ai-check-list li::before {
  flex: none;
  color: var(--color-success);
  content: '✓';
  font-weight: 900;
}

.ai-api-copy {
  max-width: 880px;
  margin-top: 38px;
}

.ai-api-copy h3 {
  margin-bottom: 12px;
}

.ai-api-copy p {
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.88;
}

.ai-api-copy p + p {
  margin-top: 16px;
}

.ai-workflow {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-page);
}

.ai-workflow-row {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: clamp(18px, 4vw, 42px);
  padding: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--color-border);
}

.ai-workflow-row:last-child {
  border-bottom: 0;
}

.ai-workflow-key {
  align-self: start;
  padding: 7px 10px;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  background: var(--color-accent-tint);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  text-align: center;
}

.ai-workflow-row h3 {
  font-size: 21px;
}

.ai-workflow-row p {
  margin-top: 9px;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.ai-failure-list {
  max-width: 960px;
}

.ai-decision-card {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(28px, 5vw, 70px);
  padding: clamp(30px, 5vw, 56px);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-xl);
  background: var(--color-panel-deep);
  box-shadow: var(--shadow-card);
}

.ai-decision-copy h2 {
  margin-top: 15px;
  color: var(--color-text-on-dark);
}

.ai-decision-copy p {
  margin-top: 15px;
  color: var(--color-text-dark-muted);
  line-height: 1.85;
}

.ai-decision-links {
  display: grid;
  align-content: center;
  gap: 12px;
}

.ai-route-link {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--color-border-dark-strong);
  border-radius: var(--radius-md);
  background: var(--color-dark-row);
  transition: border-color var(--transition-fast), transform var(--transition-fast), background var(--transition-fast);
}

.ai-route-link:hover {
  border-color: var(--color-accent);
  background: var(--color-panel-deeper);
  transform: translateY(-3px);
}

.ai-route-link-label {
  color: var(--color-warning);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.ai-route-link strong {
  margin-top: 7px;
  color: var(--color-text-on-dark);
  font-size: 20px;
}

.ai-route-link > span:last-child {
  margin-top: 5px;
  color: var(--color-text-dark-muted);
  font-size: 12px;
}

@media (max-width: 980px) {
  .ai-hero-grid,
  .ai-decision-card {
    grid-template-columns: 1fr;
  }

  .ai-request-board {
    transform: none;
  }

  .ai-decision-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .ai-hero-card {
    padding: 28px 20px;
    border-radius: var(--radius-lg);
  }

  .ai-principle-grid,
  .ai-tool-notes,
  .ai-split-guides,
  .ai-decision-links {
    grid-template-columns: 1fr;
  }

  .ai-principle-wide {
    grid-column: auto;
  }

  .ai-tool-note,
  .ai-tool-note:nth-child(odd),
  .ai-tool-note:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .ai-tool-note:last-child {
    border-bottom: 0;
  }

  .ai-workflow-row {
    grid-template-columns: 1fr;
  }

  .ai-workflow-key {
    width: fit-content;
  }

  .ai-decision-card {
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 480px) {
  .ai-flow-row {
    grid-template-columns: 58px minmax(0, 1fr);
  }

  .ai-flow-state {
    grid-column: 2;
    width: fit-content;
  }

  .ai-note-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .ai-decision-card {
    padding: 26px 20px;
  }
}