/*
 * Linghu: an original light enterprise-tech visual system built with native CSS.
 * DESIGN_VARIANCE: 7 / MOTION_INTENSITY: 4 / VISUAL_DENSITY: 3.
 * Replayable content entry. Illustrations switch only with the modality tabs.
 * One radius: 8px. One accent family: #3267C8. Fixed light theme by request.
 * Layer scale: content 0, sticky header 20, keyboard skip link 40.
 */
@font-face {
  font-family: Geist;
  src: url("assets/fonts/geist-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  unicode-range: U+0000-024F, U+2000-206F, U+20A0-20CF, U+2190-21FF;
}

:root {
  color-scheme: light;
  --surface: #f6f8fb;
  --surface-raised: #ffffff;
  --surface-tinted: #eef2f7;
  --surface-blue: #eaf0fb;
  --text: #172330;
  --muted: #546273;
  --accent: #3267c8;
  --accent-hover: #2858ae;
  --line: #dce3ed;
  --radius: 8px;
  --z-header: 20;
  --z-skip: 40;
  --site-header-height: 65px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  font-family: Geist, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 96px; }
body { margin: 0; background: var(--surface); color: var(--text); font-size: 16px; line-height: 1.75; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
button:disabled { cursor: default; }
img { display: block; max-width: 100%; height: auto; }
figure, h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
::selection { color: var(--text); background: #cbdafa; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
svg.icon { width: 24px; height: 24px; display: inline-block; flex: 0 0 auto; fill: currentColor; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; pointer-events: none; }
.shell { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.section { padding-block: 112px; }
/* Account for section padding so anchor navigation lands on its heading. */
.section-anchor { scroll-margin-top: -64px; }
.accent { color: var(--accent); }
.title-muted { color: var(--muted); }
.skip-link { position: fixed; left: 24px; top: 16px; z-index: var(--z-skip); background: var(--text); color: var(--surface); border-radius: var(--radius); padding: 10px 18px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: var(--z-header); background: var(--surface); border-bottom: 1px solid rgb(23 35 48 / .08); }
@supports (backdrop-filter: blur(18px)) {
  .site-header { background: rgb(246 248 251 / .88); backdrop-filter: saturate(130%) blur(18px); }
}
.header-inner { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: baseline; gap: 15px; white-space: nowrap; }
.brand-name { font-size: 22px; font-weight: 680; letter-spacing: .04em; line-height: 1.2; }
.brand-latin { color: var(--accent); font-size: 11px; font-weight: 650; letter-spacing: .15em; line-height: 1; }
.site-nav { display: flex; align-items: center; gap: clamp(24px, 2.4vw, 36px); }
.site-nav a { position: relative; display: inline-flex; align-items: center; min-height: 44px; font-size: 13px; font-weight: 500; white-space: nowrap; transition: color .2s ease; }
.site-nav a:hover, .site-nav a[aria-current="location"] { color: var(--accent); }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.site-nav a[aria-current="location"]::after { transform: scaleX(1); }
.menu-toggle { border: 1px solid var(--line); background: transparent; border-radius: var(--radius); width: 44px; height: 44px; padding: 9px; }
.menu-close-icon { display: none !important; }
.menu-toggle[aria-expanded="true"] .menu-open-icon { display: none; }
.menu-toggle[aria-expanded="true"] .menu-close-icon { display: block !important; }

.eyebrow { font-size: 11px; font-weight: 650; letter-spacing: .16em; color: var(--accent); line-height: 1.5; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 34px; padding: 12px 22px; min-height: 52px; border-radius: var(--radius); white-space: nowrap; font-size: 14px; font-weight: 570; transition: background-color .2s ease, transform .25s var(--ease); }
.button .icon { width: 21px; height: 21px; }
.button-primary { color: var(--surface); background: var(--accent); }
.button-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.button-primary:active { transform: scale(.98); }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; font-size: 13px; font-weight: 530; color: var(--muted); transition: color .2s ease; }
.text-link .icon { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.text-link:hover { color: var(--accent); }
.text-link:hover .icon { transform: translateX(3px); }

/* A single sculptural image and a two-line promise anchor the opening viewport. */
.hero { display: flex; flex-direction: column; min-height: calc(100vh - var(--site-header-height)); min-height: calc(100svh - var(--site-header-height)); padding-block: 24px 28px; }
.hero-main { flex: 1 0 auto; display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; gap: 24px; padding-block: 18px 32px; }
.hero-copy { min-width: 0; padding-bottom: 10px; position: relative; z-index: 1; }
.hero .eyebrow { margin-bottom: 24px; font-size: 13px; letter-spacing: .065em; }
.hero h1 { font-size: clamp(68px, 6.15vw, 88px); line-height: 1.09; letter-spacing: -.05em; font-weight: 650; }
.headline-line { display: block; white-space: nowrap; }
.headline-line + .headline-line { margin-top: 11px; }
.hero-description { margin-top: 30px; max-width: 510px; font-size: 18px; line-height: 1.9; color: var(--muted); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; margin-top: 32px; }
.hero-actions .button { min-height: 52px; padding-inline: 23px; gap: 28px; font-size: 15px; }
.hero-actions .text-link { font-size: 14px; color: var(--accent); }
.hero-visual { min-width: 0; width: 100%; }
.hero-art img { width: 100%; height: min(60svh, 530px); object-fit: contain; }
.hero-services { flex-shrink: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; padding-top: 23px; border-top: 1px solid var(--line); }
.hero-service { position: relative; display: grid; grid-template-columns: 26px minmax(0, 1fr); align-content: start; gap: 13px; padding-block: 14px; border-radius: var(--radius); }
.hero-service .service-icon { width: 25px; height: 25px; margin-top: 3px; color: var(--accent); }
.service-title { display: block; font-size: 18px; line-height: 1.5; font-weight: 580; transition: color .2s ease; }
.hero-service p { margin-top: 9px; font-size: 12px; line-height: 1.85; color: var(--muted); }
.hero-service .service-arrow { position: absolute; top: 19px; right: 0; width: 14px; height: 14px; color: var(--accent); opacity: 0; transform: translate(-3px, 3px); transition: opacity .2s ease, transform .25s var(--ease); }
.hero-service:hover .service-title, .hero-service:focus-visible .service-title { color: var(--accent); }
.hero-service:hover .service-arrow, .hero-service:focus-visible .service-arrow { opacity: 1; transform: none; }

.section-heading { max-width: 960px; margin-bottom: 52px; }
.section-heading h2 { font-size: clamp(34px, 3.6vw, 52px); font-weight: 620; line-height: 1.25; letter-spacing: -.04em; }
.section-heading > p:not(.eyebrow) { color: var(--muted); margin-top: 21px; line-height: 1.85; font-size: 17px; max-width: 710px; }
.section-heading .eyebrow { margin-bottom: 18px; }
.pipeline-section { padding-block: 88px; background: var(--surface-raised); }
.pipeline-section .section-heading { margin-bottom: 52px; }
.pipeline-section .section-heading h2 { font-size: clamp(32px, 3.3vw, 46px); }
.pipeline { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 28px; }
.pipeline li { padding-top: 23px; border-top: 1px solid #cdd8e6; }
.pipeline li:last-child { border-top-color: var(--accent); }
.pipeline-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 17px; }
.pipeline-title h3 { font-size: 26px; font-weight: 590; letter-spacing: -.025em; }
.pipeline-title .icon { color: var(--accent); width: 22px; height: 22px; }
.pipeline li p { font-size: 14px; color: var(--muted); line-height: 1.9; }

.capability-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 24px; }
.capability { padding: 40px; border-radius: var(--radius); overflow: hidden; }
.capability h3 { font-size: 30px; line-height: 1.5; font-weight: 590; margin-top: 14px; letter-spacing: -.025em; }
.capability p { font-size: 16px; line-height: 1.85; color: var(--muted); margin-top: 12px; }
.capability-icon { display: block !important; color: var(--accent); width: 28px !important; height: 28px !important; }
.capability-rpa { grid-column: span 5; background: var(--surface-raised); display: flex; align-items: flex-start; flex-direction: column; }
.rpa-diagram { width: 100%; margin-block: 35px 30px; }
.rpa-sources { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.rpa-sources > span { display: flex; flex-direction: column; gap: 8px; align-items: center; padding: 12px 3px; border-radius: var(--radius); background: var(--surface-tinted); font-size: 12px; }
.rpa-sources .icon { width: 22px; height: 22px; color: var(--accent); }
.rpa-connector { color: var(--accent); height: 38px; display: flex; justify-content: center; align-items: center; }
.rpa-connector .icon { width: 18px; height: 18px; }
.rpa-task { width: 100%; padding: 15px; border: 1px solid #c6d6ee; background: #f4f7fc; border-radius: var(--radius); text-align: center; font-size: 14px; font-weight: 550; }
.rpa-task small { display: block; color: var(--muted); font-size: 11px; font-weight: 400; margin-top: 4px; }
.rpa-result { border-radius: var(--radius); background: var(--accent); color: #fff; display: flex; gap: 12px; padding: 14px; justify-content: center; align-items: center; width: 100%; font-size: 14px; font-weight: 530; }
.rpa-result .icon { width: 21px; height: 21px; }
.capability-facts { display: grid; gap: 11px; margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 13px; }
.capability-facts > div { display: grid; grid-template-columns: 62px minmax(0, 1fr); gap: 12px; }
.capability-facts dt { color: var(--muted); }
.capability-facts dd { color: var(--text); }
.capability-rpa .capability-facts { margin-top: auto; width: 100%; }
.capability .capability-output { font-size: 14px; color: var(--text); margin-top: 16px; }
.capability-documents { grid-column: span 7; display: flex; flex-direction: column; background: #e9eff7; padding-bottom: 16px; }
.document-copy { min-width: 0; }
.document-copy p { max-width: 550px; }
.document-copy .capability-facts { max-width: 100%; }
.document-visual { width: 100%; margin-top: auto; padding-top: 10px; }
.document-visual img { width: 100%; height: 320px; object-fit: contain; }
.capability-structured { grid-column: span 6; }
.capability-unstructured { grid-column: span 6; }
.capability-structured, .capability-unstructured { display: grid; grid-template-columns: 32px minmax(0, 1fr); column-gap: 18px; align-content: start; border-radius: 0; margin-top: 8px; padding: 32px 30px 0 0; }
.capability-structured h3, .capability-unstructured h3 { margin-top: 0; font-size: 26px; }
.capability-structured .capability-icon, .capability-unstructured .capability-icon { margin-top: 4px; }
.capability-structured > p, .capability-unstructured > p, .format-labels { grid-column: 2; }
.format-labels { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 23px; }
.format-labels span { padding-right: 13px; font-size: 12px; color: var(--muted); }
.format-labels span + span { border-left: 1px solid #b8c5d6; padding-left: 13px; }

.context-section { padding-block: 104px; background: var(--surface-raised); }
.context-layout { display: grid; grid-template-columns: .95fr 1.45fr; grid-template-rows: auto 1fr; column-gap: 64px; row-gap: 36px; align-items: start; }
.context-section .section-heading { margin: 0; grid-column: 1; grid-row: 1; }
.context-section .section-heading h2 { font-size: clamp(34px, 3.1vw, 44px); line-height: 1.35; }
.context-section .section-heading > p:not(.eyebrow) { font-size: 16px; max-width: 380px; }
.context-map { grid-column: 2; grid-row: 1 / 3; border-radius: var(--radius); padding: 6px 32px 32px; background: var(--surface); }
.context-map-heading { padding-block: 25px; border-bottom: 1px solid var(--line); font-size: 19px; font-weight: 570; }
.context-layers { margin-top: 4px; }
.context-layer { display: grid; grid-template-columns: 146px minmax(0, 1fr); align-items: center; padding-block: 24px; gap: 15px; }
.context-layer + .context-layer { border-top: 1px solid #e3e9f1; }
.context-layer dt { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 550; }
.context-layer dt .icon { color: var(--accent); width: 22px; height: 22px; }
.context-layer dd { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.context-layer dd > span { padding: 11px 5px; background: #fff; border-radius: var(--radius); font-size: 13px; text-align: center; color: var(--muted); }
.context-bridge { display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 12px; color: var(--muted); margin-block: 10px 24px; }
.context-bridge .icon { color: var(--accent); width: 18px; height: 18px; }
.context-outcomes { display: flex; background: var(--accent); color: #fff; border-radius: var(--radius); padding-block: 17px; }
.context-outcomes > span { flex: 1; text-align: center; font-size: 14px; font-weight: 500; }
.context-outcomes > span + span { border-left: 1px solid #6b91d7; }
.context-notes { grid-column: 1; grid-row: 2; display: grid; gap: 25px; align-self: start; }
.context-notes article { padding-left: 0; }
.context-notes h3 { font-size: 18px; font-weight: 590; }
.context-notes p { color: var(--muted); font-size: 15px; margin-top: 7px; line-height: 1.9; }

.multimodal-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 0; align-items: stretch; border-radius: var(--radius); background: var(--surface-raised); overflow: hidden; }
.multimodal-visual { min-width: 0; display: flex; flex-direction: column; justify-content: center; padding: 36px; background: #eaf0f7; }
.multimodal-visual img { width: 100%; }
.modality-stage { position: relative; height: 390px; }
.modality-fallback { height: 100%; object-fit: contain; }
.modality-graphic { position: absolute; inset: 10px 0; width: 100%; height: calc(100% - 20px); overflow: hidden; opacity: 0; pointer-events: none; transition: opacity .32s ease; }
.multimodal-visual.is-linked .modality-fallback { opacity: 0; }
.multimodal-visual.is-linked .modality-graphic.is-current { opacity: 1; }
.multimodal-visual figcaption { min-height: 23px; margin-top: 20px; text-align: center; font-size: 12px; color: var(--muted); }
.modality-tabs { min-width: 0; padding: 44px; }
.modality-controls { position: relative; isolation: isolate; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 4px; border: 1px solid #e0e7f0; border-radius: var(--radius); background: var(--surface-tinted); margin-bottom: 32px; }
.modality-controls::before { content: ""; position: absolute; z-index: -1; left: 4px; top: 4px; bottom: 4px; width: calc((100% - 8px) / 3); border-radius: var(--radius); background: #fff; box-shadow: 0 2px 5px rgb(35 63 101 / .08); transform: translateX(calc(var(--tab-index, 0) * 100%)); transition: transform .32s var(--ease); }
.modality-controls button { display: flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: var(--radius); padding: 12px 8px; background: transparent; font-size: 15px; color: var(--muted); white-space: nowrap; transition: color .2s ease; }
.modality-controls .icon { width: 20px; height: 20px; }
.modality-controls button:hover, .modality-controls button[aria-selected="true"] { color: var(--accent); }
.modality-controls button[aria-selected="true"] { font-weight: 600; }
.modality-panel + .modality-panel { margin-top: 36px; }
.modality-tabs.is-enhanced .modality-panel + .modality-panel { margin-top: 0; }
.modality-tabs.is-enhanced .modality-panels { min-height: 360px; }
.modality-panel h3 { font-size: 30px; font-weight: 590; line-height: 1.5; letter-spacing: -.025em; }
.modality-panel > p { color: var(--muted); font-size: 16px; margin-top: 13px; line-height: 1.9; }
.capability-points { list-style: none; display: grid; gap: 14px; padding-block: 25px; }
.capability-points li { font-size: 15px; display: flex; align-items: center; gap: 11px; }
.capability-points .icon { width: 18px; height: 18px; color: var(--accent); }
.modality-panel .modality-example { border-top: 1px solid var(--line); padding-top: 18px; font-size: 12px; margin-top: 0; }
.modality-example span { display: block; color: var(--accent); font-size: 11px; font-weight: 600; margin-bottom: 5px; }

.compute-section { background: #edf2f8; padding-block: 96px 80px; }
.compute-heading { text-align: center; margin-inline: auto; margin-bottom: 0; max-width: 900px; }
.compute-title-line { display: block; }
.compute-heading h2 { font-size: clamp(42px, 4.5vw, 64px); line-height: 1.22; }
.compute-title-line + .compute-title-line { margin-top: 6px; }
.compute-heading > p:not(.eyebrow) { margin-inline: auto; max-width: 620px; }
.compute-visual { max-width: 1040px; margin: 24px auto 0; }
.compute-visual img { width: 100%; height: 500px; object-fit: contain; }
.compute-visual figcaption { font-size: 11px; color: var(--muted); text-align: center; margin-top: 6px; }
.compute-details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 64px; margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--line); }
.compute-detail { display: flex; gap: 20px; }
.compute-detail > .icon { color: var(--accent); width: 30px; height: 30px; margin-top: 4px; }
.compute-detail h3 { font-size: 23px; font-weight: 580; }
.compute-detail p { color: var(--muted); margin-top: 12px; font-size: 16px; line-height: 1.9; max-width: 460px; }

.scenario-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 72px; row-gap: 40px; align-items: start; }
.scenario { position: relative; padding: 31px 0 0; border-top: 1px solid #cbd5e2; }
.scenario-icon { position: absolute; top: 33px; right: 0; width: 28px !important; height: 28px !important; color: var(--accent); }
.scenario h3 { padding-right: 40px; font-size: 27px; font-weight: 590; line-height: 1.5; letter-spacing: -.025em; }
.scenario > p { font-size: 16px; color: var(--muted); line-height: 1.9; margin-top: 16px; max-width: 520px; }
.scenario-details { margin-top: 15px; }
.scenario-details summary { cursor: pointer; list-style: none; display: inline-flex; align-items: center; gap: 11px; min-height: 48px; color: var(--accent); font-size: 14px; font-weight: 520; border-radius: var(--radius); }
.scenario-details summary::-webkit-details-marker { display: none; }
.scenario-details summary .icon { width: 17px; height: 17px; transition: transform .25s var(--ease); }
.scenario-details summary:hover { color: var(--accent-hover); }
.details-hide { display: none; }
.scenario-details[open] .details-show { display: none; }
.scenario-details[open] .details-hide { display: inline; }
.scenario-details[open] summary .icon { transform: rotate(180deg); }
.scenario-detail-content { padding: 3px 0 0; }
.scenario-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; padding: 18px 20px; border-radius: var(--radius); background: #edf2f8; font-size: 13px; }
.scenario-facts dt { color: var(--muted); margin-bottom: 7px; font-size: 12px; }
.scenario-facts dd { color: var(--text); line-height: 1.9; }
.scenario-link { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 48px; margin-top: 8px; color: var(--accent); font-size: 13px; font-weight: 550; }
.scenario-link .icon { width: 19px; height: 19px; transition: transform .25s var(--ease); }
.scenario-link:hover .icon { transform: translate(2px, -2px); }
.scenario-link:active { color: var(--accent-hover); }
.scenario-link span span { margin-inline: 9px; }

.about-section { background: var(--surface-raised); padding-block: 80px; }
.about-inner { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; align-items: start; }
.about-inner h2 { font-size: 32px; font-weight: 590; letter-spacing: -.02em; }
.about-inner p { font-size: 21px; line-height: 2; color: var(--muted); }
.site-footer { padding-top: 36px; padding-bottom: 24px; background: var(--surface-tinted); }
.footer-top, .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-top { margin-bottom: 28px; }
.footer-top .brand-name { font-size: 21px; }
.back-top { display: flex; min-height: 44px; align-items: center; gap: 15px; font-size: 12px; color: var(--muted); }
.back-top .icon { width: 19px; height: 19px; transition: transform .25s var(--ease); }
.back-top:hover { color: var(--accent); }
.back-top:hover .icon { transform: translate(2px, -2px); }
.footer-bottom { font-size: 11px; color: var(--muted); padding-top: 20px; border-top: 1px solid #d5dfeb; }

/* Content entrances replay after leaving the viewport. Images never float or pan. */
@media (prefers-reduced-motion: no-preference) {
  html.motion-enabled { scroll-behavior: smooth; }
  .motion-enabled .hero-copy > * { animation: enter-up .9s var(--ease) both; }
  .motion-enabled .hero-copy h1 { animation-delay: 60ms; }
  .motion-enabled .hero-description { animation-delay: 120ms; }
  .motion-enabled .hero-actions { animation-delay: 240ms; }
  .motion-enabled .reveal.is-waiting { opacity: 0; transform: translateY(var(--reveal-shift, 24px)); }
  .motion-enabled .reveal.is-visible { animation: enter-up .7s calc(var(--reveal-order, 0) * 100ms) var(--ease) both; }
  .motion-enabled .pipeline.is-waiting > li { opacity: 0; transform: translateY(22px); }
  .motion-enabled .pipeline.is-visible > li { animation: pipeline-enter .65s calc(var(--reveal-order, 0) * 240ms) var(--ease) both; }
  .motion-enabled .context-layers.is-waiting > .context-layer { opacity: 0; transform: translateY(-36px); }
  .motion-enabled .context-layers.is-visible > .context-layer { animation: context-drop .75s calc(var(--reveal-order, 0) * 200ms) var(--ease) both; }
  @keyframes context-drop { from { opacity: 0; transform: translateY(-36px); } to { opacity: 1; transform: none; } }
  @keyframes pipeline-enter { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
  .motion-enabled .modality-panel.is-entering, .motion-enabled .scenario-details[open] .scenario-detail-content { animation: panel-enter .3s var(--ease) both; }
  @keyframes panel-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
  @keyframes enter-up { from { opacity: 0; transform: translateY(var(--reveal-shift, 24px)); } to { opacity: 1; transform: translateY(0) scale(1); } }
}
/* Images retain their position at all times. Only selected modality opacity changes. */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal.is-waiting, .pipeline.is-waiting > li, .context-layers.is-waiting > .context-layer { opacity: 1; transform: none; }
}
@media (prefers-reduced-transparency: reduce) {
  .site-header { background: var(--surface); backdrop-filter: none; }
}

@media (min-width: 1200px) {
  .hero-art { width: calc(100% + 64px); margin-left: -32px; }
}
@media (min-width: 1024px) and (max-height: 800px) {
  .hero { padding-block: 24px; }
  .hero-main { padding-block: 8px 24px; }
  .hero .eyebrow { margin-bottom: 18px; }
  .hero h1 { font-size: clamp(60px, 5.2vw, 74px); }
  .hero-description { margin-top: 22px; font-size: 15px; }
  .hero-actions { margin-top: 26px; }
  .hero-actions .button { min-height: 48px; }
  .hero-art img { height: min(63svh, 450px); }
}
@media (max-width: 1199px) {
  .shell { width: calc(100% - 80px); }
  .site-nav { gap: 24px; }
  .brand { gap: 10px; }
  .brand-name { font-size: 21px; }
  .hero h1 { font-size: 62px; }
  .hero-description { font-size: 15px; }
  .hero-description-break { display: none; }
  .hero-service { grid-template-columns: minmax(0, 1fr); padding-block: 10px; }
  .hero-services { gap: 24px; }
  .service-title { font-size: 17px; }
  .pipeline { gap: 24px; }
  .capability { padding: 28px; }
  .capability h3 { font-size: 27px; }
  .document-visual img { height: 290px; }
  .context-layout { grid-template-columns: .85fr 1.25fr; gap: 36px; }
  .context-map { padding-inline: 24px; }
  .context-layer { grid-template-columns: minmax(0, 1fr); gap: 14px; padding-block: 21px; }
  .context-notes { align-self: start; }
  .modality-tabs { padding: 32px; }
  .modality-panel h3 { font-size: 24px; }
  .modality-stage { height: 340px; }
  .scenario-grid { column-gap: 48px; }
  .scenario h3 { font-size: 25px; }
}
/* Tablet: balance the primary feature pair, then stack the larger diagrams. */
@media (min-width: 768px) and (max-width: 1023px) {
  .shell { width: calc(100% - 64px); }
  .header-inner { gap: 24px; }
  .site-nav { gap: 17px; }
  .site-nav a { font-size: 12px; }
  .brand-name { font-size: 19px; }
  .brand-latin { display: none; }
  .section { padding-block: 80px; }
  .hero { padding-block: 30px; }
  .hero-main { grid-template-columns: minmax(0, 1fr); align-content: center; padding-block: 0 16px; gap: 12px; }
  .hero h1 { font-size: 64px; }
  .hero-copy { padding-bottom: 0; }
  .hero .eyebrow { margin-bottom: 18px; }
  .hero-description { margin-top: 24px; font-size: 16px; }
  .hero-actions { margin-top: 24px; }
  .hero-actions .button { min-height: 48px; }
  .hero-visual { max-width: 700px; margin: 0 auto; }
  .hero-art img { height: min(30svh, 305px); }
  .hero-services { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 32px; }
  .hero-service { grid-template-columns: 26px minmax(0, 1fr); }
  .pipeline { gap: 18px; }
  .pipeline-title h3 { font-size: 21px; }
  .pipeline li p { font-size: 11px; }
  .pipeline-title .icon { width: 17px; height: 17px; }
  .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .capability-rpa, .capability-documents, .capability-structured, .capability-unstructured { grid-column: span 1; }
  .capability-documents { display: flex; flex-direction: column; }
  .document-visual { margin-top: auto; }
  .document-visual img { height: 290px; }
  .capability-structured, .capability-unstructured { display: block; }
  .capability h3 { font-size: 25px; }
  .capability p { font-size: 14px; }
  .capability-structured h3, .capability-unstructured h3 { margin-top: 14px; }
  .context-section { padding-block: 76px; }
  .context-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
  .context-section .section-heading { grid-column: 1 / -1; grid-row: auto; max-width: 650px; }
  .context-map { grid-column: 1 / -1; grid-row: auto; }
  .context-layer { grid-template-columns: 160px minmax(0, 1fr); }
  .context-notes { grid-column: 1 / -1; grid-row: auto; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .multimodal-layout { grid-template-columns: .85fr 1.15fr; }
  .multimodal-visual { padding: 20px; }
  .modality-stage { height: 290px; }
  .modality-tabs { padding: 28px; }
  .modality-panel h3 { font-size: 21px; }
  .modality-controls button { gap: 5px; padding-inline: 3px; font-size: 14px; }
  .modality-panel > p, .capability-points li { font-size: 13px; }
  .modality-tabs.is-enhanced .modality-panels { min-height: 350px; }
  .compute-visual img { height: 350px; }
  .compute-details { gap: 32px; }
  .scenario-icon { position: static; margin-bottom: 14px; }
  .scenario h3 { padding-right: 0; font-size: 23px; }
  .scenario > p { font-size: 15px; }
  .scenario-facts { gap: 14px; padding-inline: 16px; }
  .about-inner { gap: 36px; }
  .about-inner p { font-size: 17px; }
}
/* Each multi-column content section explicitly becomes a single column on phones. */
@media (max-width: 767px) {
  :root { --site-header-height: 67px; }
  html { scroll-padding-top: 84px; }
  .section-anchor { scroll-margin-top: -36px; }
  body { font-size: 15px; }
  .shell { width: calc(100% - 40px); }
  .section { padding-block: 64px; }
  .site-header { position: relative; }
  .site-header.is-enhanced { position: sticky; }
  .header-inner { min-height: 66px; height: auto; flex-wrap: wrap; gap: 0; padding-block: 11px; }
  .brand { gap: 13px; }
  .brand-name { font-size: 21px; }
  .brand-latin { font-size: 10px; }
  .site-nav { width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding-top: 13px; }
  .site-nav a { font-size: 15px; min-height: 49px; border-top: 1px solid var(--line); padding-block: 10px; }
  .site-nav a::after { left: auto; right: 4px; top: 20px; bottom: auto; width: 8px; height: 8px; border-radius: var(--radius); }
  .header-inner.is-enhanced .menu-toggle { display: inline-flex; margin-left: auto; }
  .header-inner.is-enhanced .site-nav:not(.is-open) { display: none; }
  .button { min-height: 48px; padding: 11px 19px; font-size: 13px; gap: 31px; }
  .hero { padding-block: 34px 24px; }
  .hero-main { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-block: 0 24px; }
  .hero-copy { padding: 0; }
  .hero .eyebrow { margin-bottom: 18px; font-size: 11px; }
  .hero h1 { font-size: clamp(43px, 12vw, 68px); line-height: 1.12; }
  .headline-line + .headline-line { margin-top: 5px; }
  .hero-description { margin-top: 24px; font-size: 14px; line-height: 1.9; max-width: 500px; }
  .hero-description-break { display: none; }
  .hero-actions { gap: 22px; margin-top: 25px; }
  .hero-actions .button { min-height: 48px; padding-inline: 20px; font-size: 13px; gap: 29px; }
  .hero-actions .text-link { font-size: 12px; gap: 7px; }
  .hero-visual { margin: 0 auto; max-width: 560px; }
  .hero-art img { height: auto; }
  .hero-services { grid-template-columns: minmax(0, 1fr); padding-top: 0; gap: 0; }
  .hero-service { grid-template-columns: 26px minmax(0, 1fr); padding: 19px 0; gap: 13px; }
  .hero-service + .hero-service { border-top: 1px solid var(--line); }
  .hero-service .service-arrow { top: 25px; right: 0; opacity: 1; transform: none; }
  .service-title { font-size: 17px; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2, .context-section .section-heading h2 { font-size: 31px; line-height: 1.35; letter-spacing: -.035em; }
  .section-heading > p:not(.eyebrow) { font-size: 14px; line-height: 1.95; margin-top: 12px; }
  .section-heading .eyebrow { font-size: 10px; margin-bottom: 15px; }
  .pipeline-section { padding-block: 44px 42px; }
  .pipeline-section .section-heading { margin-bottom: 31px; }
  .pipeline-section .section-heading h2 { font-size: 26px; }
  .pipeline { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .pipeline li { display: grid; grid-template-columns: 112px 1fr; gap: 26px; border-top: 0; padding: 19px 0; }
  .pipeline li + li { border-top: 1px solid #d6e0ec; }
  .pipeline li:first-child { padding-top: 0; }
  .pipeline li:last-child { padding-bottom: 0; }
  .pipeline-title { align-self: start; margin-bottom: 0; }
  .pipeline-title h3 { font-size: 20px; }
  .pipeline-title .icon { width: 18px; height: 18px; transform: rotate(90deg); margin-top: 4px; }
  .pipeline li:last-child .icon { transform: none; }
  .pipeline li p { font-size: 13px; }
  .capability-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .capability { padding: 28px; grid-column: auto; }
  .capability h3, .capability-structured h3, .capability-unstructured h3 { font-size: 25px; }
  .capability p { font-size: 14px; }
  .capability-structured, .capability-unstructured { display: block; padding-inline: 6px; margin-top: 12px; }
  .capability-structured h3, .capability-unstructured h3 { margin-top: 14px; }
  .rpa-diagram { margin-block: 25px 22px; }
  .rpa-sources { gap: 6px; }
  .rpa-sources > span { font-size: 11px; }
  .rpa-result { font-size: 13px; }
  .capability-facts { font-size: 12px; margin-top: 19px; padding-top: 16px; }
  .capability-rpa .capability-facts { margin-top: 0; }
  .capability .capability-output { font-size: 13px; }
  .capability-documents { padding-bottom: 10px; }
  .document-visual img { height: auto; }
  .format-labels { margin-top: 22px; }
  .context-section { padding-block: 60px; }
  .context-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .context-section .section-heading, .context-map, .context-notes { grid-column: auto; grid-row: auto; }
  .context-map { padding: 0 18px 20px; }
  .context-map-heading { padding-block: 22px 17px; font-size: 16px; }
  .context-layer { grid-template-columns: minmax(0, 1fr); gap: 15px; padding-block: 20px; }
  .context-layer dt { font-size: 14px; }
  .context-layer dd { gap: 6px; }
  .context-layer dd > span { font-size: 12px; padding: 9px 3px; }
  .context-notes { gap: 24px; }
  .context-notes h3 { font-size: 16px; }
  .context-notes p { font-size: 14px; }
  .context-bridge { font-size: 12px; line-height: 1.8; gap: 8px; margin-block: 3px 20px; align-items: flex-start; }
  .context-bridge .icon { margin-top: 2px; }
  .context-outcomes { padding-block: 15px; }
  .context-outcomes > span { font-size: 13px; }
  .multimodal-layout { grid-template-columns: minmax(0, 1fr); }
  .multimodal-visual { padding: 22px 20px 18px; }
  .modality-stage { height: 275px; }
  .multimodal-visual figcaption { margin-top: 8px; font-size: 11px; }
  .modality-tabs { padding: 26px 22px 22px; }
  .modality-controls { margin-bottom: 25px; }
  .modality-controls button { padding: 11px 3px; font-size: 14px; gap: 6px; }
  .modality-controls .icon { width: 18px; height: 18px; }
  .modality-tabs.is-enhanced .modality-panels { min-height: 352px; }
  .modality-panel h3 { font-size: 22px; }
  .modality-panel > p, .capability-points li { font-size: 14px; }
  .capability-points { padding-block: 23px; gap: 13px; }
  .compute-section { padding-block: 60px 48px; }
  .compute-heading { text-align: left; }
  .compute-heading h2 { font-size: 35px; line-height: 1.25; }
  .compute-title-line + .compute-title-line { margin-top: 5px; }
  .compute-visual { margin-top: 23px; }
  .compute-visual img { height: auto; }
  .compute-visual figcaption { margin-top: 0; font-size: 10px; }
  .compute-details { grid-template-columns: minmax(0, 1fr); gap: 25px; margin-top: 27px; padding-top: 27px; }
  .compute-detail { gap: 15px; }
  .compute-detail > .icon { width: 26px; height: 26px; padding: 0; }
  .compute-detail h3 { font-size: 18px; }
  .compute-detail p { font-size: 14px; margin-top: 8px; }
  .scenario-grid { grid-template-columns: minmax(0, 1fr); gap: 27px; }
  .scenario { padding: 25px 0 0; }
  .scenario-icon { position: static; margin-bottom: 13px; width: 27px !important; height: 27px !important; }
  .scenario h3 { padding-right: 0; font-size: 24px; }
  .scenario > p { font-size: 14px; margin-top: 12px; }
  .scenario-facts { font-size: 12px; gap: 16px; padding: 17px; }
  .scenario-link { font-size: 12px; min-height: 50px; }
  .about-section { padding-block: 54px; }
  .about-inner { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .about-inner h2 { font-size: 26px; }
  .about-inner p { font-size: 15px; line-height: 2; }
  .site-footer { padding-top: 29px; padding-bottom: 22px; }
  .footer-top { margin-bottom: 24px; }
  .footer-top .brand-name { font-size: 20px; }
  .footer-top .brand-latin { display: none; }
  .footer-bottom { flex-direction: column; gap: 5px; align-items: flex-start; font-size: 10px; padding-top: 18px; }
}
@media (max-width: 359px) {
  .shell { width: calc(100% - 32px); }
  .hero h1 { font-size: 40px; }
  .hero-actions { gap: 16px; }
  .section-heading h2, .context-section .section-heading h2 { font-size: 25px; }
  .pipeline li { grid-template-columns: 99px 1fr; gap: 18px; }
  .capability { padding: 22px; }
  .capability-structured, .capability-unstructured { padding-inline: 4px; }
  .scenario { padding-top: 22px; }
  .compute-heading h2 { font-size: 30px; }
  .capability-documents { padding-bottom: 10px; }
  .context-map { padding-inline: 14px; }
  .modality-tabs { padding-inline: 18px; }
  .modality-tabs.is-enhanced .modality-panels { min-height: 380px; }
  .modality-panel h3 { font-size: 20px; }
}