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

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

.ai-hero::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, transparent, color-mix(in srgb, var(--color-accent) 5%, transparent), transparent),
    repeating-linear-gradient(90deg, transparent 0 68px, color-mix(in srgb, var(--color-text) 3%, transparent) 69px);
  mask-image: linear-gradient(to bottom, var(--color-black), transparent);
}

.ai-hero .wrap {
  position: relative;
  z-index: 1;
}

.ai-hero-copy {
  width: min(100%, 850px);
  margin-inline: auto;
  text-align: center;
}

.ai-hero-copy h1 {
  margin-top: 18px;
  margin-bottom: 18px;
}

.ai-hero-copy .lead {
  margin-inline: auto;
}

.ai-hero-actions {
  justify-content: center;
  margin-top: 26px;
}

.ai-signal-board {
  width: min(100%, 980px);
  margin: 52px auto 0;
  padding: 18px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background:
    repeating-linear-gradient(0deg, transparent 0 8px, color-mix(in srgb, var(--color-text) 3%, transparent) 9px),
    var(--color-bg-panel);
}

.ai-signal-head,
.ai-signal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .14em;
}

.ai-signal-path {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(28px, 1fr) auto minmax(28px, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 30px 0;
}

.ai-terminal,
.ai-relay {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text);
  background: var(--color-bg-panel-2);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
}

.ai-relay {
  border-color: var(--color-accent-dark);
  color: var(--color-bg);
  background: var(--color-accent);
}

.ai-wire {
  position: relative;
  height: 1px;
  overflow: visible;
  background: repeating-linear-gradient(90deg, var(--color-border), var(--color-border) 7px, transparent 7px, transparent 13px);
}

.ai-wire::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  content: "";
  background: var(--color-accent);
  transform: translate(-50%, -50%);
}

.ai-fact-line {
  width: min(100%, 1080px);
  margin: 22px auto 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--color-border-soft);
  border-bottom: 1px solid var(--color-border-soft);
}

.ai-fact-line span {
  min-width: 0;
  display: grid;
  gap: 3px;
  padding: 17px 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  text-align: center;
}

.ai-fact-line span + span {
  border-left: 1px solid var(--color-border-soft);
}

.ai-fact-line strong {
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 620;
}

.ai-document {
  position: relative;
}

.ai-document > .toc-tabs {
  margin-top: 28px;
}

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

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

.ai-section-heading {
  max-width: 880px;
  margin-bottom: 42px;
}

.ai-section-heading h2 {
  margin-top: 12px;
}

.ai-section-heading p {
  max-width: 800px;
  margin-bottom: 0;
  font-size: 17px;
}

.ai-condition-layout {
  display: grid;
  grid-template-columns: minmax(130px, .32fr) minmax(0, 1fr);
  gap: clamp(24px, 6vw, 82px);
}

.ai-condition-index {
  align-self: start;
  display: grid;
  gap: 7px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-bg-panel);
}

.ai-condition-index span {
  min-height: 39px;
  display: flex;
  align-items: center;
  padding-inline: 13px;
  border-bottom: 1px dashed var(--color-border-soft);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .12em;
}

.ai-condition-index span:last-child {
  border-bottom: 0;
}

.ai-condition-notes {
  min-width: 0;
  position: relative;
  display: grid;
}

.ai-condition-notes::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 7px;
  border-left: 1px dashed var(--color-accent-dark);
  content: "";
}

.ai-condition-notes article {
  position: relative;
  padding: 0 0 36px 42px;
}

.ai-condition-notes article:last-child {
  padding-bottom: 0;
}

.ai-condition-notes article::before {
  position: absolute;
  top: 8px;
  left: 3px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--color-bg);
  border-radius: var(--radius-pill);
  content: "";
  background: var(--color-accent);
}

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

.ai-condition-notes p {
  max-width: 780px;
  margin-bottom: 0;
}

.ai-tool-ledger {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 12px;
}

.ai-tool-ledger article {
  min-width: 0;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-bg-panel);
}

.ai-tool-ledger article:first-child {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--color-accent) 8%, transparent), transparent),
    var(--color-bg-panel-2);
}

.ai-tool-ledger h3 {
  margin-top: 18px;
}

.ai-tool-ledger p {
  margin-bottom: 0;
}

.ai-two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr);
  align-items: start;
  gap: clamp(26px, 5vw, 68px);
}

.ai-two-column .callout {
  margin: 0;
}

.ai-channel-sheet {
  display: grid;
  grid-template-columns: 1.1fr .95fr .95fr;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-bg-panel);
}

.ai-channel-sheet article {
  min-width: 0;
  padding: clamp(24px, 4vw, 38px);
}

.ai-channel-sheet article + article {
  border-left: 1px solid var(--color-border-soft);
}

.ai-channel-tag {
  width: fit-content;
  margin-bottom: 32px;
  padding: 5px 10px;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .12em;
}

.ai-channel-sheet p {
  margin-bottom: 0;
}

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

.ai-dev-flow article {
  min-width: 0;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: clamp(20px, 5vw, 62px);
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
}

.ai-flow-mark {
  min-height: 38px;
  align-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  background: var(--color-bg-panel);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
}

.ai-dev-flow p {
  max-width: 850px;
  margin-bottom: 0;
}

.ai-diagnostic {
  display: grid;
  grid-template-columns: minmax(220px, .7fr) minmax(0, 1.3fr);
  align-items: center;
  gap: 34px;
  margin-top: 18px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px dashed var(--color-accent-dark);
  border-radius: var(--radius-large);
  background: color-mix(in srgb, var(--color-accent) 4%, var(--color-bg-panel));
}

.ai-diagnostic h3 {
  margin: 8px 0 0;
}

.ai-diagnostic p {
  margin-bottom: 0;
}

.ai-route-notes {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.ai-route-notes article {
  display: grid;
  grid-template-columns: minmax(230px, .7fr) minmax(0, 1.3fr);
  gap: clamp(24px, 6vw, 84px);
  padding: 30px 0;
  border-bottom: 1px solid var(--color-border);
}

.ai-route-notes h3,
.ai-route-notes p {
  margin-bottom: 0;
}

.ai-final-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 40px;
  margin-top: 54px;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-large);
  background:
    radial-gradient(circle at 88% 16%, color-mix(in srgb, var(--color-accent) 12%, transparent), transparent 30%),
    var(--color-bg-panel-2);
}

.ai-final-panel h2 {
  margin-top: 12px;
  margin-bottom: 12px;
}

.ai-final-panel p {
  max-width: 760px;
  margin-bottom: 0;
}

.float-cta svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.float-cta svg path {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

@media (max-width: 980px) {
  .ai-fact-line {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ai-fact-line span:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--color-border-soft);
  }

  .ai-fact-line span:nth-child(4) {
    border-top: 1px solid var(--color-border-soft);
  }

  .ai-two-column,
  .ai-final-panel {
    grid-template-columns: 1fr;
  }

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

  .ai-channel-sheet article + article {
    border-top: 1px solid var(--color-border-soft);
    border-left: 0;
  }
}

@media (max-width: 768px) {
  .ai-signal-board {
    margin-top: 38px;
    padding: 16px;
  }

  .ai-signal-head,
  .ai-signal-foot {
    font-size: 8px;
  }

  .ai-signal-path {
    gap: 8px;
    padding: 24px 0;
  }

  .ai-terminal,
  .ai-relay {
    min-height: 36px;
    padding-inline: 10px;
    font-size: 8px;
  }

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

  .ai-condition-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow-x: auto;
  }

  .ai-condition-index span {
    min-width: 92px;
    justify-content: center;
    padding-inline: 8px;
    border-right: 1px dashed var(--color-border-soft);
    border-bottom: 0;
  }

  .ai-condition-index span:last-child {
    border-right: 0;
  }

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

  .ai-tool-ledger article:first-child {
    grid-row: auto;
  }

  .ai-route-notes article {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .ai-diagnostic {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (max-width: 560px) {
  .ai-signal-head,
  .ai-signal-foot {
    display: none;
  }

  .ai-signal-path {
    grid-template-columns: auto minmax(14px, 1fr) auto minmax(14px, 1fr) auto;
    padding: 10px 0;
  }

  .ai-terminal,
  .ai-relay {
    min-height: 34px;
    padding-inline: 8px;
    letter-spacing: .06em;
  }

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

  .ai-fact-line span + span,
  .ai-fact-line span:nth-child(3) {
    border-top: 1px solid var(--color-border-soft);
    border-left: 0;
  }

  .ai-condition-notes article {
    padding-left: 34px;
  }

  .ai-dev-flow article {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ai-flow-mark {
    width: 78px;
  }

  .ai-final-panel .button-row {
    width: 100%;
  }
}