:root {
  --ai-console-min: 420px;
  --ai-mark-size: 48px;
  --ai-route-dot: 12px;
  --ai-grid-gap: 20px;
  --ai-line-soft: rgba(14, 143, 130, .22);
  --ai-console-bar: rgba(222, 227, 243, .78);
  --ai-error-soft: rgba(217, 67, 60, .14);
  --ai-warning-soft: rgba(217, 147, 10, .16);
  --ai-success-soft: rgba(31, 157, 90, .14);
}

.ai-hero {
  position: relative;
  max-width: 100%;
  padding-top: clamp(70px, 8vw, 108px);
  padding-bottom: clamp(72px, 9vw, 120px);
  overflow-x: clip;
  background:
    linear-gradient(180deg, var(--color-accent-06), var(--color-transparent)),
    var(--color-bg);
}

.ai-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(var(--ai-console-min), .9fr);
  align-items: center;
  gap: clamp(36px, 6vw, 82px);
}

.ai-hero__copy {
  min-width: 0;
}

.ai-hero h1 {
  max-width: 720px;
  margin-top: 20px;
  margin-bottom: 20px;
}

.ai-hero__lead {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.8;
}

.ai-hero .hero-actions,
.ai-hero .hero-facts {
  justify-content: flex-start;
}

.ai-console {
  position: relative;
  min-width: 0;
  overflow: hidden;
  transform: rotate(1deg);
}

.ai-console::before {
  content: "";
  position: absolute;
  inset: auto 10% -18% 10%;
  height: 46%;
  border-radius: var(--radius-round);
  background: var(--color-accent-14);
  filter: blur(38px);
  pointer-events: none;
}

.ai-console__bar {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 46px;
  padding: 10px 16px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  background: var(--ai-console-bar);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.ai-console__lights {
  display: flex;
  gap: 7px;
}

.ai-console__lights i {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-round);
}

.ai-console__lights i:first-child {
  background: var(--color-error);
}

.ai-console__lights i:nth-child(2) {
  background: var(--color-warning);
}

.ai-console__lights i:last-child {
  background: var(--color-success);
}

.ai-console__body {
  position: relative;
  z-index: 1;
  padding: 20px;
}

.ai-console__row {
  display: grid;
  min-width: 0;
  padding: 13px 0;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 13px;
}

.ai-console__prompt,
.ai-console__state {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 750;
}

.ai-console__prompt {
  color: var(--color-accent-dark);
}

.ai-console__state {
  color: var(--color-success);
}

.ai-console__route {
  margin-top: 22px;
  color: var(--color-accent);
}

.ai-console__route svg {
  width: 100%;
}

.ai-console__route circle {
  fill: var(--color-panel);
  stroke: var(--color-accent);
  stroke-width: 3;
}

.ai-console__note {
  margin: 14px 0 0;
  padding: 13px;
  border-radius: var(--radius-small);
  background: var(--color-panel-recessed);
  color: var(--color-text-muted);
  font-size: 12px;
}

.ai-article {
  position: relative;
}

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

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

.ai-section__heading {
  max-width: 820px;
  margin-bottom: 42px;
}

.ai-section__heading h2 {
  margin-top: 16px;
}

.ai-section__heading p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 18px;
}

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

.ai-principle {
  min-width: 0;
  padding: 26px;
}

.ai-principle__code {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

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

.tool-profile-list {
  display: grid;
  gap: 16px;
}

.tool-profile {
  display: grid;
  min-width: 0;
  padding: 24px;
  grid-template-columns: minmax(210px, .65fr) minmax(0, 1.6fr);
  gap: 30px;
}

.tool-profile__name {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 14px;
}

.tool-profile__mark {
  display: grid;
  width: var(--ai-mark-size);
  height: var(--ai-mark-size);
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--color-accent-22);
  border-radius: var(--radius-panel);
  background: linear-gradient(145deg, var(--color-panel-recessed), var(--color-panel));
  box-shadow: var(--highlight-inner);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 850;
}

.tool-profile h3 {
  margin-bottom: 4px;
  font-size: 22px;
}

.tool-profile__name p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

.tool-profile__body {
  min-width: 0;
  color: var(--color-text-muted);
}

.tool-profile__body p:last-child {
  margin-bottom: 0;
}

.ai-route-table td:nth-child(3) {
  color: var(--color-accent-dark);
  font-weight: 750;
}

.ai-split {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, .8fr);
  align-items: start;
  gap: 34px;
}

.ai-split__content {
  color: var(--color-text-muted);
}

.ai-checklist {
  padding: 25px;
}

.ai-checklist__label {
  display: block;
  margin-bottom: 18px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.ai-checklist ul {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 13px;
  list-style: none;
}

.ai-checklist li {
  position: relative;
  padding-left: 25px;
  color: var(--color-text-muted);
}

.ai-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 850;
}

.workflow {
  position: relative;
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-border);
  box-shadow: var(--highlight-inner), var(--shadow-soft);
}

.workflow__item {
  display: grid;
  min-width: 0;
  padding: 26px;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 24px;
  background: var(--color-panel);
}

.workflow__tag {
  display: inline-flex;
  width: fit-content;
  height: fit-content;
  min-width: 62px;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 6px 11px;
  border-radius: var(--radius-pill);
  background: var(--color-accent-10);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.workflow__item p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

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

.failure-card {
  position: relative;
  min-width: 0;
  padding: 25px 25px 25px 31px;
  overflow: hidden;
}

.failure-card::before {
  content: "";
  position: absolute;
  inset: 18px auto 18px 0;
  width: 4px;
  border-radius: 0 var(--radius-small) var(--radius-small) 0;
  background: linear-gradient(180deg, var(--color-warning), var(--color-accent));
}

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

.ai-selection {
  display: grid;
  min-width: 0;
  padding: clamp(28px, 5vw, 54px);
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, .75fr);
  align-items: center;
  gap: 42px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-panel), var(--color-panel-recessed));
}

.ai-selection h2 {
  margin-top: 16px;
}

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

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

.ai-selection__map {
  position: relative;
  min-width: 0;
  color: var(--color-accent);
}

.ai-selection__map svg {
  width: 100%;
}

.ai-selection__map circle {
  fill: var(--color-panel);
  stroke: var(--color-accent);
  stroke-width: 3;
}

.ai-selection__map .ai-selection__core {
  fill: var(--color-accent);
  stroke: var(--color-panel);
  stroke-width: 2;
}

.ai-selection__path-soft {
  opacity: .4;
}

.ai-selection__node {
  position: absolute;
  display: inline-flex;
  min-height: 27px;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 750;
}

.ai-selection__node--start {
  bottom: 11%;
  left: 1%;
}

.ai-selection__node--middle {
  top: 27%;
  left: 42%;
}

.ai-selection__node--end {
  top: 12%;
  right: 0;
}

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

  .ai-hero .hero-actions,
  .ai-hero .hero-facts {
    justify-content: center;
  }

  .ai-hero__copy {
    text-align: center;
  }

  .ai-hero h1,
  .ai-hero__lead {
    margin-right: auto;
    margin-left: auto;
  }

  .ai-console {
    width: 100%;
    max-width: 720px;
    margin-inline: auto;
    transform: none;
  }

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

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

  .ai-selection__map {
    width: min(100%, 480px);
    margin-inline: auto;
  }
}

@media (max-width: 768px) {
  .tool-profile {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .ai-section__heading p {
    font-size: 16px;
  }
}

@media (max-width: 640px) {
  .ai-hero {
    padding-top: 54px;
    padding-bottom: 72px;
  }

  .ai-hero__inner {
    gap: 34px;
  }

  .ai-console__body {
    padding: 16px;
  }

  .ai-console__row {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .ai-console__state {
    grid-column: 2;
  }

  .ai-principle,
  .tool-profile,
  .workflow__item,
  .failure-card {
    padding: 21px 18px;
  }

  .workflow__item {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .ai-selection {
    padding: 24px 18px;
  }

  .ai-selection__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .ai-selection__actions .btn {
    width: 100%;
  }

  .ai-selection__node {
    display: none;
  }
}