.ai-hero {
  padding-top: 28px;
  padding-bottom: 28px;
}

.ai-hero-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.ai-hero-copy {
  display: flex;
  min-height: 520px;
  grid-column: 1 / 8;
  grid-row: 1 / 3;
  flex-direction: column;
  justify-content: center;
  padding: 46px;
}

.ai-hero-copy h1 {
  max-width: 11em;
  margin-top: 22px;
  margin-bottom: 0;
}

.ai-hero-copy .lead {
  max-width: 38em;
  margin-top: 24px;
  margin-bottom: 0;
}

.ai-route {
  position: relative;
  min-height: 360px;
  grid-column: 8 / 13;
  grid-row: 1 / 2;
  overflow: clip;
}

.ai-cloud-row {
  position: absolute;
  top: 28px;
  right: 24px;
  left: 24px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.ai-cloud {
  display: grid;
  min-height: 58px;
  place-items: center;
  border: 1px solid var(--color-white-45);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-small);
  font-size: 13px;
  font-weight: 800;
}

.ai-route-line {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ai-route-feeder {
  stroke: var(--color-muted);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 4 7;
  opacity: 0.5;
}

.ai-route-bolt {
  stroke: var(--color-text);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ai-route-highlight {
  stroke: var(--color-panel);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.82;
}

.ai-route-ring {
  stroke: var(--color-text);
  stroke-width: 2;
}

.ai-route-ring-soft {
  opacity: 0.35;
}

.ai-ground-line {
  stroke: var(--color-border);
  stroke-width: 2;
}

.ai-ground {
  position: absolute;
  right: 20px;
  bottom: 12px;
  left: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.ai-mini {
  min-height: 144px;
  grid-column: span 5;
  padding: 22px;
}

.ai-mini:nth-of-type(3),
.ai-mini:nth-of-type(4) {
  grid-column: span 2;
}

.ai-mini h2 {
  margin: 8px 0 6px;
  font-size: 21px;
}

.ai-mini p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.55;
}

.ai-fact-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: clip;
  background: var(--color-border);
}

.ai-fact-strip > div {
  padding: 22px 24px;
  background: var(--color-panel);
}

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

.ai-fact-strip strong {
  margin-bottom: 5px;
  font-size: 15px;
}

.ai-fact-strip span {
  color: var(--color-muted);
  font-size: 14px;
}

.ai-article {
  max-width: var(--content-max);
}

.ai-article .section-head {
  max-width: 820px;
}

.ai-reason-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.ai-reason-grid article {
  min-height: 250px;
  padding: 30px;
}

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

.ai-tool-list {
  display: grid;
  gap: 14px;
}

.ai-tool-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 26px;
}

.ai-tool-card h3 {
  margin-bottom: 8px;
  font-size: 22px;
}

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

.ai-tool-mark {
  display: grid;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  place-items: center;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-small);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
}

.ai-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: clip;
}

.ai-steps article {
  min-height: 230px;
  padding: 30px;
  border-bottom: 1px solid var(--color-border);
}

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

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

.ai-step-label {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

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

.ai-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.ai-split article {
  padding: 32px;
}

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

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

.ai-dev-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.ai-dev-grid article {
  min-height: 310px;
  padding: 28px;
}

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

.ai-selection {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  padding: 34px;
}

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

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

.ai-selection-actions {
  display: flex;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
}

.ai-service-note {
  margin-top: 18px;
  padding: 22px 26px;
}

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

@media (max-width: 1080px) {
  .ai-hero-copy {
    min-height: auto;
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .ai-route {
    grid-column: 1 / 8;
    grid-row: auto;
  }

  .ai-mini,
  .ai-mini:nth-of-type(3),
  .ai-mini:nth-of-type(4) {
    grid-column: 8 / 13;
  }

  .ai-dev-grid,
  .ai-selection {
    grid-template-columns: 1fr;
  }

  .ai-selection-actions {
    grid-column: auto;
  }
}

@media (max-width: 768px) {
  .ai-hero {
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .ai-hero-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .ai-hero-copy,
  .ai-route,
  .ai-mini,
  .ai-mini:nth-of-type(3),
  .ai-mini:nth-of-type(4) {
    grid-column: 1;
    grid-row: auto;
  }

  .ai-hero-copy {
    padding: 30px 24px;
  }

  .ai-route {
    min-height: 340px;
  }

  .ai-mini {
    min-height: 132px;
  }

  .ai-fact-strip,
  .ai-reason-grid,
  .ai-steps,
  .ai-split {
    grid-template-columns: 1fr;
  }

  .ai-fact-strip {
    gap: 1px;
  }

  .ai-reason-grid article {
    min-height: auto;
    padding: 25px;
  }

  .ai-steps article,
  .ai-steps article:nth-child(odd),
  .ai-steps article:nth-last-child(-n + 2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

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

  .ai-split article {
    padding: 26px;
  }

  .ai-tool-card {
    gap: 16px;
    padding: 22px;
  }

  .ai-dev-grid article {
    min-height: auto;
  }

  .ai-selection {
    padding: 26px;
  }
}

@media (max-width: 520px) {
  .ai-cloud-row {
    right: 14px;
    left: 14px;
    gap: 6px;
  }

  .ai-cloud {
    min-height: 52px;
    font-size: 12px;
  }

  .ai-ground {
    right: 12px;
    left: 12px;
    font-size: 10px;
  }

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

  .ai-tool-mark {
    width: 46px;
    height: 46px;
  }

  .ai-selection-actions .btn {
    width: 100%;
  }
}