.ai-section { --ai-gutter: 20px; padding-block: 35px 36px; border-bottom: 1px solid var(--line); }
.ai-section-heading { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,1fr); align-items: start; gap: 18px 48px; padding: 0 var(--ai-gutter) 30px; border-inline: 1px solid #d7d7d4; }
.ai-section-heading>.eyebrow { grid-column: 1 / -1; font-size: 11px; color: #6b767e; letter-spacing: .04em; line-height: 1.5; }
.ai-section-heading h2 { font-size: clamp(30px,2.5vw,40px); line-height: 1.12; font-weight: 500; letter-spacing: -1.1px; margin: 0; }
.ai-section-summary p { font-size: 15px; line-height: 1.75; color: #637079; margin: 0; max-width: 650px; }
.ai-capability-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; font-size: 12px; line-height: 1.4; color: #7a3510; }
.ai-capability-tags>span { padding: 6px 9px; border: 1px solid #f6dcc4; border-radius: 3px; background: #fff6ee; }
.ai-assistant-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px var(--ai-gutter); border: 1px solid #d7d7d4; border-bottom: 0; }
.ai-assistant-heading .eyebrow { font-size: 10px; line-height: 1.5; letter-spacing: .04em; color: #68747d; text-align: right; }
.ai-assistant-heading h3 { order: -1; font-size: 23px; line-height: 1.3; letter-spacing: -.45px; font-weight: 500; margin: 0; }
.ai-assistant-layout { display: grid; grid-template-columns: minmax(0,1.6fr) minmax(0,1fr); gap: 28px; border-inline: 1px solid #d7d7d4; padding-inline: var(--ai-gutter); }
.ai-answer-stage { --ai-label-ink: #fff; --ai-accent: #b4581c; --ai-link: #8a3b0e; position: relative; isolation: isolate; min-width: 0; height: 650px; padding: 62px 40px 50px; background: #1d2b4f; overflow: hidden; }
.ai-topic-art { position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0; transition: opacity 380ms cubic-bezier(.22,.61,.36,1); }
.ai-answer-stage[data-topic="dimming"] .ai-topic-art-dimming, .ai-answer-stage[data-topic="overdue"] .ai-topic-art-overdue, .ai-answer-stage[data-topic="stock"] .ai-topic-art-stock { opacity: 1; }
/* Dimming: dusk over the sky photograph, with rows of lit poles. */
.ai-topic-art-dimming { background: linear-gradient(#0d1b36d0,#2a3d6ba6 60%,#fb631b8c),url('./assets/sky.webp') center 60% / cover; }
.ai-topic-art::before, .ai-topic-art::after { content: ''; position: absolute; width: 43%; height: 54%; background: repeating-linear-gradient(90deg,#f7a35c3d 0 4px,transparent 4px 15px); }
.ai-topic-art::before { top: 0; left: 0; clip-path: polygon(0 0,100% 0,100% 9%,87% 9%,87% 22%,72% 22%,72% 34%,58% 34%,58% 48%,42% 48%,42% 65%,26% 65%,26% 79%,0 79%); }
.ai-topic-art::after { right: 0; bottom: 0; clip-path: polygon(40% 0,100% 0,100% 100%,0 100%,0 65%,13% 65%,13% 40%,27% 40%,27% 19%,40% 19%); }
/* Overdue jobs: a dark street. */
.ai-answer-stage[data-topic="overdue"] { --ai-label-ink: #c9d3e6; --ai-accent: #b4581c; --ai-link: #8a3b0e; }
.ai-topic-art-overdue { background: radial-gradient(#ffffff26 .6px,transparent .8px) 0 0/3px 3px,linear-gradient(135deg,#2a3242,#10151f); }
.ai-topic-art-overdue::before, .ai-topic-art-overdue::after { background: repeating-linear-gradient(45deg,#f7a35c2e 0 3px,transparent 3px 21px); width: 48%; height: 65%; }
/* Spares: a warm sodium glow. */
.ai-answer-stage[data-topic="stock"] { --ai-label-ink: #4a2410; --ai-accent: #b4581c; --ai-link: #8a3b0e; }
.ai-topic-art-stock { background: radial-gradient(#ffffff44 .6px,transparent .8px) 0 0/3px 3px,linear-gradient(135deg,#f9c590,#ec9655); }
.ai-topic-art-stock::before, .ai-topic-art-stock::after { background: repeating-linear-gradient(0deg,#8a3b0e40 0 4px,transparent 4px 19px); width: 43%; height: 76%; }
.ai-topic-art-stock::before { clip-path: polygon(0 0,100% 0,100% 12%,75% 12%,75% 32%,89% 32%,89% 48%,51% 48%,51% 64%,68% 64%,68% 80%,30% 80%,30% 100%,0 100%); }
.ai-topic-art-stock::after { clip-path: polygon(68% 0,100% 0,100% 100%,0 100%,0 88%,25% 88%,25% 68%,11% 68%,11% 52%,49% 52%,49% 36%,32% 36%,32% 20%,68% 20%); }
.ai-stage-label { position: absolute; top: 19px; left: 22px; right: 22px; display: flex; justify-content: space-between; gap: 12px; color: var(--ai-label-ink); transition: color 300ms ease; font-size: 10px; letter-spacing: .05em; }
.ai-stage-label>span { color: inherit; }
.ai-conversation { max-width: 620px; height: 100%; margin-inline: auto; display: grid; grid-template-rows: 156px minmax(0,1fr); gap: 10px; }
.ai-question-card, .ai-answer-card { background: #fff; border: 1px solid #e7ebee; border-radius: 5px; padding: 22px; box-shadow: 0 2px 4px #193c5010; }
.ai-question-card { min-height: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.ai-answer-card { display: flex; flex-direction: column; min-height: 0; }
.ai-question-card>p { font-size: 20px; line-height: 1.5; letter-spacing: -.3px; margin: 0 0 14px; }
.ai-question-mode { display: inline-flex; align-items: center; gap: 9px; border: 1px solid #e4e4e4; border-radius: 3px; padding: 6px 9px; font-size: 11px; letter-spacing: .03em; }
.ai-small-mark { font-size: 17px; font-weight: 700; line-height: 1; letter-spacing: -1px; }
.ai-card-label { display: block; font-size: 11px; color: #707070; letter-spacing: .04em; }
.ai-answer-card>p { flex: 1; min-height: 0; overflow: auto; margin: 10px 0 18px; font-size: 19px; line-height: 1.5; letter-spacing: -.25px; }
.ai-answer-sources { flex-shrink: 0; border-top: 1px solid #e4e4e4; padding-top: 16px; }
.ai-answer-sources>a { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-block: 13px 9px; font-size: 14px; color: var(--ai-link); }
.ai-answer-sources>a:hover #ai-source-label { text-decoration: underline; text-underline-offset: 3px; }
.ai-source-number { color: var(--ai-accent); margin-right: 5px; font-size: 12px; }
.ai-answer-sources>div { display: flex; justify-content: space-between; gap: 12px; font-size: 10px; color: #707070; }
.ai-evidence { display: block; flex-shrink: 0; margin-top: 17px; font-size: 9px; line-height: 1.5; color: #6f7880; letter-spacing: .025em; }
.ai-use-cases { min-width: 0; padding: 4px 4px 0 0; }
.ai-use-case { border-left: 1px solid transparent; padding: 17px 0 17px 23px; }
.ai-use-case:has(button[aria-pressed="true"]) { border-left-color: #d1d1ce; }
.ai-use-case>button { display: block; width: 100%; border: 0; background: transparent; padding: 0; text-align: left; font-size: clamp(18px,1.45vw,23px); font-weight: 500; line-height: 1.4; letter-spacing: -.4px; color: #737373; transition: color 240ms ease; }
.ai-use-case>button:hover { color: #444; }
.ai-use-case>button[aria-pressed="true"] { color: #202020; }
.ai-use-case>div>p { color: #707070; font-size: 16px; line-height: 1.7; margin: 13px 0 17px; max-width: 530px; }
.ai-use-case-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.ai-use-case-tags>span { font-size: 12px; color: #505050; background: #f0f0ee; border-radius: 3px; padding: 5px 8px; }
.ai-use-case .button { min-height: 38px; font-size: 11px; gap: 17px; }
.ai-mcp-support { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; width: fit-content; max-width: calc(100% - 24px); margin: 24px 0 0 24px; padding-top: 16px; border-top: 1px solid #e7e9e9; }
.ai-mcp-logos { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; }
.ai-mcp-logos>a { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; opacity: .85; border-radius: 3px; }
.ai-mcp-logos>a:hover, .ai-mcp-logos>a:focus-visible { opacity: 1; }
.ai-mcp-logos img { display: block; width: 24px; height: 24px; object-fit: contain; border-radius: 3px; }
.ai-mcp-caption { display: flex; align-items: center; gap: 7px; margin: 0; padding-left: 6px; font-size: 12px; line-height: 1.6; color: #65716a; }
.ai-mcp-caption>span { width: 5px; height: 5px; border-radius: 50%; background: #328866; }
@media (max-width: 1100px) {
  .ai-section { --ai-gutter: 14px; }
  .ai-mcp-support { margin-left: 18px; }
  .ai-assistant-layout { grid-template-columns: minmax(0,1.25fr) minmax(0,1fr); gap: 20px; }
  .ai-answer-stage { padding-inline: 24px; height: 690px; }
  .ai-question-card, .ai-answer-card { padding: 19px; }
  .ai-answer-card>p { font-size: 17px; }
  .ai-use-case { padding-left: 17px; }
  .ai-use-case>div>p { font-size: 14px; }
}
@media (max-width: 800px) {
  .ai-section-heading { grid-template-columns: 1fr; gap: 16px; }
  .ai-section-heading h2 { font-size: 32px; }
  .ai-assistant-layout { grid-template-columns: 1fr; gap: 20px; }
  .ai-answer-stage { height: 650px; }
  .ai-answer-card>p { font-size: 19px; }
  .ai-use-case { padding-block: 14px; }
  .ai-use-case>button { font-size: 20px; }
  .ai-use-case>div>p { font-size: 15px; }
  .ai-mcp-support { margin-top: 18px; }
}
@media (max-width: 560px) {
  .ai-section { --ai-gutter: 12px; padding-block: 28px; }
  .ai-section-heading { gap: 18px; }
  .ai-section-heading h2 { font-size: 29px; letter-spacing: -.7px; }
  .ai-section-summary p { font-size: 14px; }
  .ai-capability-tags { gap: 6px; font-size: 11px; }
  .ai-assistant-heading { align-items: flex-start; flex-direction: column; gap: 6px; padding-block: 16px; }
  .ai-assistant-heading h3 { font-size: 21px; }
  .ai-answer-stage { padding: 53px 13px 47px; height: 700px; }
  .ai-stage-label { left: 13px; right: 13px; font-size: 9px; }
  .ai-question-card, .ai-answer-card { padding: 17px; }
  .ai-conversation { grid-template-rows: 164px minmax(0,1fr); }
  .ai-question-card>p { font-size: 18px; }
  .ai-answer-card>p { font-size: 16px; }
  .ai-use-case { padding-left: 12px; }
  .ai-use-case>button { font-size: 19px; }
  .ai-mcp-support { margin-left: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .ai-topic-art, .ai-stage-label, .ai-use-case>button { transition: none; }
}