.ai-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
}

.ai-hero-grid {
  min-height: calc(100svh - var(--header-height));
  padding-top: clamp(58px, 8vw, 104px);
  padding-bottom: clamp(58px, 8vw, 104px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .88fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
}

.ai-hero-copy {
  min-width: 0;
}

.ai-hero-copy h1 {
  max-width: 760px;
  margin-top: 20px;
}

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

.ai-hero-actions {
  margin-bottom: 26px;
}

.ai-trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding-top: 20px;
  border-top: 1px dashed var(--color-border);
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 700;
}

.ai-trust-line span {
  position: relative;
  padding-left: 13px;
}

.ai-trust-line span::before {
  content: "";
  position: absolute;
  top: .72em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  transform: translateY(-50%);
}

.ai-console {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
  transform: rotate(-1deg);
}

.ai-console::before {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 16px;
  width: 34%;
  height: 34%;
  border-right: 1px dashed var(--color-border);
  border-bottom: 1px dashed var(--color-border);
  pointer-events: none;
}

.ai-console-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 13px 15px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-alt);
}

.ai-console-title {
  margin-left: auto;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.ai-console-body {
  position: relative;
  padding: clamp(22px, 4vw, 36px);
}

.ai-console-intro {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px dashed var(--color-border);
}

.ai-console-intro strong,
.ai-console-intro small {
  display: block;
}

.ai-console-intro strong {
  color: var(--color-accent-dark);
  font-size: 16px;
}

.ai-console-intro small {
  margin-top: 3px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.ai-check-list {
  display: grid;
  gap: 8px;
}

.ai-check-row {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.ai-check-row span {
  color: var(--color-muted);
}

.ai-check-row strong {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
}

.ai-tool-cloud {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.ai-tool-cloud span {
  padding: 5px 9px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel-alt);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

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

.ai-principle {
  min-width: 0;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  transform-style: preserve-3d;
}

.ai-principle-label {
  display: block;
  margin-bottom: 18px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .1em;
}

.ai-principle h3 {
  font-size: clamp(22px, 2.4vw, 30px);
}

.ai-principle p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.85;
}

.ai-tool-section,
.ai-developer-section {
  border-block: 1px solid var(--color-border);
  background: var(--color-panel-alt);
}

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

.ai-profile {
  display: grid;
  grid-template-columns: minmax(180px, .45fr) minmax(0, 1.55fr);
  gap: clamp(28px, 6vw, 84px);
  padding-top: clamp(30px, 5vw, 52px);
  padding-bottom: clamp(30px, 5vw, 52px);
  border-bottom: 1px solid var(--color-border);
}

.ai-profile-name {
  min-width: 0;
}

.ai-profile-name h3 {
  margin-top: 14px;
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 44px);
}

.ai-profile-copy {
  min-width: 0;
}

.ai-profile-copy p {
  margin-bottom: 14px;
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.85;
}

.ai-profile-copy p:last-child {
  color: var(--color-muted);
}

.ai-split-layout {
  display: grid;
  grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr);
  gap: clamp(40px, 8vw, 110px);
  align-items: start;
}

.ai-split-layout .section-head {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  margin-bottom: 0;
}

.ai-workflow-stack {
  display: grid;
  gap: 18px;
}

.ai-workflow-card {
  min-width: 0;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.ai-workflow-head {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 18px;
}

.ai-workflow-head h3 {
  margin-bottom: 0;
}

.ai-workflow-mark {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
}

.ai-workflow-card p {
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.85;
}

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

.ai-diagnosis-grid .card {
  box-shadow: none;
}

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

.ai-diagnosis-grid p {
  color: var(--color-muted);
  line-height: 1.8;
}

.ai-selection-section {
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
  overflow-x: clip;
  border-top: 1px solid var(--color-border);
}

.ai-selection-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: selection-step;
}

.ai-selection-list li {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 22px;
  padding-top: 28px;
  padding-bottom: 28px;
  border-top: 1px solid var(--color-border);
  counter-increment: selection-step;
}

.ai-selection-list li::before {
  content: counter(selection-step, decimal-leading-zero);
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.ai-selection-list h3 {
  margin-bottom: 8px;
}

.ai-selection-list p {
  max-width: 900px;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.85;
}

.ai-next-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  margin-top: 46px;
  padding: clamp(28px, 5vw, 50px);
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: var(--color-panel);
  box-shadow: var(--shadow-window);
}

.ai-next-panel h2 {
  margin-top: 15px;
  margin-bottom: 10px;
  color: var(--color-panel);
  font-size: clamp(28px, 4vw, 42px);
}

.ai-next-panel p {
  max-width: 760px;
  color: var(--color-border);
  font-size: 16px;
}

.ai-next-panel .tag {
  border-color: var(--color-border);
  background: var(--color-panel);
  color: var(--color-accent);
}

.ai-next-panel .btn-primary {
  border-color: var(--color-panel);
  background: var(--color-panel);
  color: var(--color-accent);
}

.ai-next-panel .btn-secondary {
  border-color: var(--color-panel);
  color: var(--color-panel);
}

.ai-next-panel .btn-secondary:hover {
  background: var(--color-accent-dark);
  color: var(--color-panel);
}

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

  .ai-console {
    width: min(100%, 680px);
    transform: none;
  }

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

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

  .ai-split-layout .section-head {
    position: static;
  }
}

@media (max-width: 768px) {
  .ai-hero-grid {
    min-height: auto;
    padding-top: 48px;
    padding-bottom: 58px;
  }

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

  .ai-profile {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .ai-profile-name h3 {
    font-size: 30px;
  }

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

@media (max-width: 520px) {
  .ai-console-body {
    padding: 18px;
  }

  .ai-console-title {
    font-size: 9px;
  }

  .ai-check-row {
    gap: 10px;
  }

  .ai-selection-list li {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 14px;
  }

  .ai-selection-list li::before {
    width: 40px;
    height: 40px;
  }

  .ai-next-panel .button-row {
    display: grid;
  }
}