.ai-hero {
  position: relative;
  padding-top: clamp(48px, 7vw, 92px);
  padding-bottom: clamp(64px, 8vw, 108px);
  background-image:
    radial-gradient(circle at 84% 32%, var(--color-accent-a10), transparent 30%),
    radial-gradient(var(--color-grain) .6px, transparent .7px),
    linear-gradient(180deg, var(--color-hero-top), var(--color-hero-bottom));
  background-size: auto, 3px 3px, auto;
  overflow-x: clip;
}

.ai-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(440px, .88fr);
  align-items: center;
  gap: clamp(40px, 7vw, 92px);
}

.ai-hero-copy h1 {
  max-width: 760px;
  margin-bottom: 24px;
}

.ai-hero-lead {
  max-width: 700px;
  margin-bottom: 26px;
  color: var(--color-muted);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.75;
}

.ai-hero-copy .button-row {
  margin-bottom: 26px;
}

.ai-trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 0;
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 700;
  list-style: none;
}

.ai-trust-list li {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  gap: 7px;
}

.ai-trust-list svg {
  width: 17px;
  height: 17px;
  color: var(--color-success);
}

.ai-route-board {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-raised);
  transform: rotate(-1deg);
  overflow: hidden;
}

.ai-route-board::before {
  position: absolute;
  inset: 12px -18px -18px 18px;
  z-index: -1;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--color-plate-start), var(--color-plate-end));
  content: "";
}

.ai-board-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  min-height: 48px;
  align-items: center;
  padding-inline: 16px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-bright));
  color: var(--color-white);
}

.ai-board-bar strong {
  font-size: 14px;
}

.ai-board-bar > .mono {
  justify-self: end;
  font-size: 11px;
  letter-spacing: .08em;
}

.ai-board-dots {
  display: flex;
  gap: 6px;
}

.ai-board-dots i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-white-a45);
}

.ai-board-body {
  padding: clamp(20px, 3vw, 32px);
}

.ai-tool-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ai-tool-cloud span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.ai-route-map {
  width: 100%;
  height: auto;
  margin-top: 24px;
  margin-bottom: 18px;
  color: var(--color-accent);
}

.ai-route-legend {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.ai-route-legend > div {
  position: relative;
  padding: 14px 14px 14px 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.ai-route-symbol {
  position: absolute;
  top: 19px;
  left: 13px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success-a14);
}

.ai-route-legend strong,
.ai-route-legend small {
  display: block;
}

.ai-route-legend strong {
  margin-bottom: 3px;
  font-size: 13px;
}

.ai-route-legend small {
  color: var(--color-muted);
  font-size: 11px;
  line-height: 1.5;
}

.ai-board-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-a08);
}

.ai-board-note span {
  color: var(--color-muted);
  font-size: 12px;
}

.ai-board-note strong {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 13px;
}

.ai-principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 2px solid var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.ai-principle {
  padding: 32px;
  border-right: 1px solid var(--color-border);
}

.ai-principle:first-child {
  padding-left: 0;
}

.ai-principle:last-child {
  padding-right: 0;
  border-right: 0;
}

.ai-principle-icon {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--color-accent-a10);
  color: var(--color-accent);
}

.ai-principle-icon svg {
  width: 23px;
  height: 23px;
}

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

.ai-principle p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.ai-tool-table td {
  min-width: 150px;
}

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

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

.ai-dialog-layout {
  display: grid;
  grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr);
  align-items: start;
  gap: clamp(40px, 7vw, 90px);
}

.ai-dialog-intro {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.ai-dialog-intro p:last-child {
  color: var(--color-muted);
  font-size: 17px;
}

.ai-dialog-panel {
  border-top: 2px solid var(--color-text);
}

.ai-dialog-panel article {
  padding-top: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-border);
}

.ai-dialog-panel h3 {
  margin-top: 14px;
  font-size: 24px;
}

.ai-dialog-panel p {
  color: var(--color-muted);
}

.ai-dialog-panel p:last-child {
  margin-bottom: 0;
}

.ai-workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.ai-workflow-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.ai-workflow-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.ai-workflow-head .mono {
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
}

.ai-workflow-head h3 {
  margin-bottom: 0;
  font-size: 20px;
}

.ai-workflow-card p,
.ai-workflow-card li {
  color: var(--color-muted);
}

.ai-workflow-card ul {
  display: grid;
  gap: 8px;
  margin-top: auto;
  margin-bottom: 0;
}

.ai-workflow-note {
  margin-top: 24px;
}

.ai-failure-layout .section-head {
  max-width: 850px;
}

.ai-failure-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 2px solid var(--color-text);
}

.ai-failure-list article {
  padding: 28px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.ai-failure-list article:nth-child(even) {
  border-right: 0;
}

.ai-failure-list h3 {
  font-size: 20px;
}

.ai-failure-list p {
  color: var(--color-muted);
}

.ai-failure-list p:last-child {
  margin-bottom: 0;
}

.ai-failure-list strong {
  color: var(--color-text);
}

.ai-selection-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  gap: clamp(34px, 6vw, 74px);
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.ai-selection-copy > p:not(.eyebrow) {
  max-width: 760px;
  color: var(--color-muted);
}

.ai-selection-copy .button-row {
  margin-top: 28px;
}

.ai-fact-stack {
  display: grid;
  gap: 12px;
}

.ai-fact-stack article {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-soft);
}

.ai-fact-stack span,
.ai-fact-stack strong {
  display: block;
}

.ai-fact-stack span {
  margin-bottom: 5px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}

.ai-fact-stack strong {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 18px;
}

.ai-fact-stack p {
  margin-top: 7px;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 13px;
}

.ai-plan-note {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  align-items: center;
  gap: clamp(32px, 6vw, 72px);
}

.ai-plan-note > div > p:not(.eyebrow) {
  color: var(--color-muted);
}

.ai-related {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 54px;
  padding-top: 24px;
  border-top: 2px solid var(--color-text);
}

.ai-related h3 {
  margin-bottom: 4px;
  font-size: 19px;
}

.ai-related p {
  margin-bottom: 0;
  color: var(--color-muted);
}

@media (max-width: 1040px) {
  .ai-hero-grid {
    grid-template-columns: 1fr 420px;
    gap: 34px;
  }

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

  .ai-workflow-card {
    min-height: auto;
  }
}

@media (max-width: 900px) {
  .ai-hero-grid,
  .ai-dialog-layout,
  .ai-selection-panel,
  .ai-plan-note {
    grid-template-columns: 1fr;
  }

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

  .ai-dialog-intro {
    position: static;
  }

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

  .ai-principle,
  .ai-principle:first-child,
  .ai-principle:last-child {
    padding: 26px 0;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

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

@media (max-width: 768px) {
  .ai-hero {
    padding-top: 34px;
    padding-bottom: 64px;
  }

  .ai-failure-list {
    grid-template-columns: 1fr;
  }

  .ai-failure-list article,
  .ai-failure-list article:nth-child(even) {
    padding: 24px 0;
    border-right: 0;
  }

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

@media (max-width: 640px) {
  .ai-route-legend {
    grid-template-columns: 1fr;
  }

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

  .ai-route-board::before {
    display: none;
  }

  .ai-selection-panel {
    padding: 22px;
  }

  .ai-tool-cloud span {
    max-width: 100%;
    overflow: hidden;
  }
}