.ai-hero {
  position: relative;
  overflow-x: clip;
  padding-top: 72px;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 76% 46%, var(--color-glow-soft), transparent 34%),
    linear-gradient(180deg, var(--color-bg), var(--color-panel));
}

.ai-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(400px, .82fr);
  align-items: center;
  gap: 64px;
}

.ai-hero-copy {
  display: grid;
  justify-items: start;
}

.ai-hero h1 {
  max-width: 760px;
  margin-top: 22px;
}

.ai-lead {
  max-width: 700px;
  margin-top: 22px;
  font-size: 18px;
  line-height: 1.75;
}

.ai-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.ai-trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 28px;
}

.ai-trust-list li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.ai-console {
  overflow: hidden;
  box-shadow: 0 34px 72px -42px var(--color-shadow), 0 0 40px var(--color-glow-faint);
}

.ai-console-body {
  display: grid;
  gap: 18px;
  padding: 28px;
}

.ai-console-label,
.ai-summary-label {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ai-console-list {
  display: grid;
  border-top: 1px solid var(--color-border);
}

.ai-console-list li {
  display: grid;
  grid-template-columns: minmax(100px, .55fr) minmax(0, 1fr);
  gap: 18px;
  padding-top: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border-soft);
}

.ai-console-list span {
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 12px;
}

.ai-console-list strong {
  font-size: 13px;
  text-align: right;
}

.ai-calibration {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  height: 8px;
  margin-top: 4px;
}

.ai-calibration span {
  border-radius: var(--radius-round);
}

.ai-calibration span:first-child {
  background: var(--color-warn);
}

.ai-calibration span:nth-child(2) {
  background: var(--color-accent);
  box-shadow: 0 0 16px var(--color-glow-strong);
}

.ai-calibration span:last-child {
  background: var(--color-cool);
}

.ai-console-note {
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: center;
}

.ai-fact-band {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.ai-fact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.ai-fact-grid div {
  display: grid;
  gap: 3px;
  padding-top: 18px;
  padding-bottom: 18px;
  padding-left: 22px;
  border-left: 1px solid var(--color-border);
}

.ai-fact-grid div:first-child {
  padding-left: 0;
  border-left: 0;
}

.ai-fact-grid strong {
  font-family: var(--font-mono);
  font-size: 13px;
}

.ai-fact-grid span {
  color: var(--color-text-faint);
  font-size: 12px;
}

.ai-section-raised {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.ai-principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-panel);
}

.ai-principle {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 28px;
}

.ai-principle + .ai-principle {
  border-left: 1px solid var(--color-border);
}

.ai-principle-code,
.ai-process-mark {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: .08em;
}

.ai-principle h3 {
  font-size: 23px;
}

.ai-principle p {
  font-size: 14px;
}

.ai-tool-table td {
  min-width: 170px;
}

.ai-tool-table td:first-child {
  min-width: 130px;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 850;
}

.ai-table-note {
  margin-top: 22px;
}

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

.ai-tool-note {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 26px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.ai-tool-note header {
  display: flex;
  align-items: center;
  gap: 11px;
}

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

.ai-tool-note p {
  font-size: 14px;
}

.ai-process {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.ai-process article {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-panel-raised);
}

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

.ai-process p {
  font-size: 14px;
}

.ai-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .72fr);
  align-items: start;
  gap: 54px;
}

.ai-prose {
  max-width: 760px;
}

.ai-check-panel {
  overflow: hidden;
}

.ai-check-body {
  display: grid;
  gap: 20px;
  padding: 26px;
}

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

.ai-check-body ul {
  display: grid;
  gap: 16px;
}

.ai-check-body li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--color-border-soft);
}

.ai-check-body li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.ai-check-body span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 650;
}

.ai-check-body p {
  font-size: 13px;
}

.ai-dev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.ai-dev-grid .card {
  display: grid;
  align-content: start;
  gap: 14px;
}

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

.ai-dev-grid p {
  font-size: 14px;
}

.ai-dev-callout {
  margin-top: 22px;
}

.ai-failure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.ai-failure-grid article {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 24px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.ai-failure-grid h3 {
  font-size: 18px;
}

.ai-failure-grid p {
  font-size: 13.5px;
}

.ai-selection {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(350px, .7fr);
  gap: 18px;
}

.ai-selection-copy,
.ai-plan-summary {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-panel-raised);
}

.ai-selection-copy h3 {
  font-size: 24px;
}

.ai-plan-summary p {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border-soft);
  font-size: 14px;
}

.ai-plan-summary p:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.ai-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.ai-promo {
  margin-top: 22px;
}

@media (max-width: 1040px) {
  .ai-hero-grid,
  .ai-split,
  .ai-selection {
    grid-template-columns: 1fr;
  }

  .ai-console {
    max-width: 760px;
  }

  .ai-failure-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .ai-hero {
    padding-top: 52px;
    padding-bottom: 54px;
  }

  .ai-hero-grid {
    gap: 38px;
  }

  .ai-lead {
    font-size: 16px;
  }

  .ai-fact-grid,
  .ai-principles,
  .ai-tool-notes,
  .ai-process,
  .ai-dev-grid,
  .ai-failure-grid {
    grid-template-columns: 1fr;
  }

  .ai-fact-grid div {
    padding-left: 0;
    border-left: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .ai-fact-grid div:last-child {
    border-bottom: 0;
  }

  .ai-principle + .ai-principle {
    border-top: 1px solid var(--color-border);
    border-left: 0;
  }

  .ai-tool-notes,
  .ai-failure-grid {
    border-left: 0;
  }

  .ai-tool-note,
  .ai-failure-grid article {
    border-left: 1px solid var(--color-border);
  }
}

@media (max-width: 520px) {
  .ai-hero-actions,
  .ai-link-row {
    display: grid;
    width: 100%;
  }

  .ai-hero-actions .btn,
  .ai-link-row .btn {
    width: 100%;
  }

  .ai-console-body,
  .ai-principle,
  .ai-tool-note,
  .ai-process article,
  .ai-check-body,
  .ai-selection-copy,
  .ai-plan-summary {
    padding: 20px;
  }

  .ai-console-list li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .ai-console-list strong {
    text-align: left;
  }

  .ai-check-body li {
    grid-template-columns: 1fr;
    gap: 5px;
  }
}