:root {
  --ink: #172033;
  --muted: #59677c;
  --blue: #2951e8;
  --blue-hover: #2042c8;
  --line: #e1e6ef;
  --pale: #f6f8fb;
  --blue-pale: #edf2ff;
  --amber: #805916;
  --amber-bg: #fff7e6;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: #fff; color: var(--ink); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
button, a, summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
p, h1, h2, h3 { margin: 0; }
img { display: block; max-width: 100%; }
.container { max-width: 1280px; margin-inline: auto; padding-inline: 40px; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 20; padding: 10px 20px; background: var(--ink); color: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 28px; max-width: 1280px; height: 88px; margin: auto; padding: 0 40px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 25px; font-weight: 700; line-height: 1; letter-spacing: -1.1px; min-height: 44px; }
.brand-symbol { display: grid; place-items: center; width: 31px; height: 35px; color: var(--blue); }
.brand-symbol svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 2.3; }
.header-inner > nav { display: flex; gap: 30px; margin-left: auto; margin-right: 12px; }
.header-inner nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 14px; }
.header-inner nav a:hover { color: var(--blue); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border: 1px solid var(--blue); border-radius: 7px; background: var(--blue); color: #fff; font-size: 14px; font-weight: 600; line-height: 1.4; text-align: center; transition: background .2s, box-shadow .2s; }
.button:hover { background: var(--blue-hover); box-shadow: 0 3px 12px #2951e822; }
.button-small { min-height: 44px; padding: 10px 18px; white-space: nowrap; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; font-weight: 600; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.text-link:hover { color: var(--blue); }
.mobile-menu, .mobile-materials { display: none; }
.hero { padding-top: 58px; }
.eyebrow-row { display: flex; align-items: center; gap: 20px; margin-bottom: 27px; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: .095em; line-height: 1.5; text-transform: uppercase; }
.stage-label { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; }
.stage-label > span { height: 5px; width: 5px; background: var(--blue); border-radius: 50%; }
.hero-intro { display: grid; grid-template-columns: 1.65fr 1fr; gap: 54px; align-items: end; }
.hero h1 { font-size: clamp(46px, 5.15vw, 74px); font-weight: 600; line-height: 1.085; letter-spacing: -.058em; }
.hero h1 span { color: var(--blue); }
.hero-description { min-width: 0; padding-bottom: 3px; }
.hero-description > p:first-child { max-width: 420px; font-size: 16px; line-height: 1.7; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-top: 23px; }
.cta-note { font-size: 12px; color: var(--muted); margin-top: 9px; }
.preview-label { display: flex; align-items: center; gap: 8px; padding-top: 49px; margin-bottom: 14px; scroll-margin-top: 24px; }
.preview-label p { font-size: 12px; font-weight: 500; color: var(--muted); }
.preview-label p span { margin-inline: 5px; }
.preview-dot { flex: 0 0 7px; height: 7px; background: var(--blue); border-radius: 2px; }
.preview-help { margin-left: auto; font-size: 12px; color: var(--muted); }
.workspace { border: 1px solid #dce3ee; border-radius: 14px; overflow: hidden; box-shadow: 0 22px 58px -30px #243a6640; background: white; }
.workspace-topbar { min-height: 58px; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 14px 22px; border-bottom: 1px solid var(--line); background: #fcfdff; }
.workspace-identity { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--muted); min-width: 0; }
.workspace-identity strong { font-weight: 500; color: var(--ink); }
.mini-symbol { width: 23px; height: 25px; flex: 0 0 23px; background: var(--blue); color: white; display: grid; place-items: center; font-weight: 600; font-size: 14px; border-radius: 4px; }
.breadcrumb { color: var(--muted); }
.sample-badge { font-size: 12px; color: var(--muted); border: 1px solid var(--line); background: #fff; padding: 3px 9px; border-radius: 4px; white-space: nowrap; }
.workspace-grid { display: grid; grid-template-columns: 23% 41% 36%; min-height: 488px; }
.source-panel { min-width: 0; padding: 24px 22px; background: #f8faff; border-right: 1px solid var(--line); }
.property-thumb { position: relative; border-radius: 7px; overflow: hidden; aspect-ratio: 1.7; margin-bottom: 16px; }
.property-thumb img { width: 100%; height: 100%; object-fit: cover; }
.property-thumb > span { position: absolute; bottom: 5px; left: 5px; right: 5px; background: #fffffff2; color: var(--muted); font-size: 12px; line-height: 1.4; padding: 3px 5px; border-radius: 3px; }
.panel-label { font-size: 12px; color: var(--muted); font-weight: 500; }
.property-name { font-size: 17px; font-weight: 600; letter-spacing: -.4px; margin-top: 2px; }
.property-meta { font-size: 12px; color: var(--muted); margin-top: 3px; }
.property-meta span { padding: 0 6px; }
.materials { margin-top: 22px; }
.materials summary { list-style: none; display: flex; align-items: center; justify-content: space-between; font-size: 14px; font-weight: 600; min-height: 44px; cursor: pointer; border-top: 1px solid var(--line); }
.materials summary::-webkit-details-marker { display: none; }
.materials summary > span { font-size: 12px; line-height: 1.4; background: #e8edf6; color: var(--muted); padding: 1px 6px; border-radius: 4px; }
.file-list { list-style: none; margin: 8px 0 0; padding: 0; }
.file-list li { display: flex; gap: 9px; align-items: center; margin-top: 15px; }
.file-icon { width: 30px; height: 34px; flex: 0 0 30px; display: grid; place-items: center; background: #fff; border: 1px solid #dce3ed; border-radius: 4px; font-size: 12px; color: var(--muted); font-weight: 600; }
.file-list li > div { font-size: 14px; font-weight: 500; line-height: 1.4; overflow-wrap: anywhere; }
.file-list li div span { display: block; font-size: 12px; font-weight: 400; color: var(--muted); margin-top: 2px; }
.source-note { display: flex; align-items: center; gap: 9px; margin-top: 28px; padding-top: 15px; border-top: 1px solid var(--line); }
.source-note > span { font-size: 25px; color: var(--blue); line-height: 1; }
.source-note p { font-size: 12px; color: var(--muted); line-height: 1.5; }
.work-panel { padding: 22px 22px; min-width: 0; }
.workflow-tabs { display: flex; justify-content: space-between; gap: 2px; border-bottom: 1px solid var(--line); padding-bottom: 11px; }
.workflow-tabs button { display: flex; align-items: center; justify-content: center; gap: 5px; min-height: 44px; border: 0; color: var(--muted); background: transparent; border-radius: 5px; padding: 7px 6px; font-size: 14px; white-space: nowrap; }
.workflow-tabs button > span { font-size: 12px; color: var(--muted); }
.workflow-tabs button[aria-selected=true] { background: var(--blue-pale); color: var(--blue); font-weight: 600; }
.workflow-tabs button[aria-selected=true] > span { color: var(--blue); }
.workflow-tabs button:hover { background: #f3f6fc; }
.task-heading { margin-top: 22px; }
.task-heading h2 { font-size: 23px; line-height: 1.3; letter-spacing: -.8px; font-weight: 600; margin-top: 7px; }
.task-heading > p:last-child { font-size: 16px; line-height: 1.65; color: var(--muted); margin-top: 9px; }
.task-details > summary { display: none; }
.task-request { display: flex; gap: 10px; align-items: center; padding: 13px; margin-top: 21px; background: var(--pale); border: 1px solid #ebeff5; border-radius: 7px; }
.request-avatar { display: grid; place-items: center; width: 31px; height: 31px; flex: 0 0 31px; background: #e4eaf7; color: var(--muted); border-radius: 50%; font-size: 12px; }
.task-request p { font-size: 14px; line-height: 1.55; color: #4c5a70; }
.task-list { margin-top: 24px; display: grid; gap: 21px; }
.task-item { display: flex; gap: 11px; align-items: flex-start; }
.task-marker { height: 20px; width: 20px; flex: 0 0 20px; border: 1px solid #dbe3f2; color: var(--muted); display: grid; place-items: center; font-size: 12px; border-radius: 50%; margin-top: 1px; }
.task-item strong { display: block; font-size: 14px; font-weight: 500; line-height: 1.4; }
.task-item p { font-size: 12px; color: var(--muted); margin-top: 4px; line-height: 1.5; }
.review-note { display: flex; gap: 7px; align-items: center; padding-top: 20px; margin-top: 22px; border-top: 1px solid var(--line); }
.review-icon { width: 17px; height: 17px; flex: 0 0 17px; display: inline-flex; color: var(--muted); }
.review-icon svg { width: 100%; fill: none; stroke: currentColor; stroke-width: 1.3; }
.review-note p { font-size: 12px; color: var(--muted); }
.artifact-panel { padding: 22px; background: #f3f6fb; border-left: 1px solid var(--line); min-width: 0; }
.artifact-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.artifact-heading .panel-label { font-weight: 600; }
.draft-tag { font-size: 12px; color: var(--muted); border: 1px solid #dce3ee; background: #f9fbff; border-radius: 4px; padding: 2px 7px; }
.listing-document { background: #fff; border: 1px solid #e0e6ef; border-radius: 7px; overflow: hidden; box-shadow: 0 4px 12px #243a6605; }
.listing-photo { width: 100%; height: 156px; object-fit: cover; }
.document-body { padding: 18px 20px; }
.document-kicker { font-size: 12px; line-height: 1.4; color: var(--muted); }
.document-body h3 { font-size: 26px; line-height: 1.15; letter-spacing: -.8px; font-weight: 600; margin-top: 11px; }
.property-facts { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 12px; color: var(--muted); padding: 12px 0; margin-top: 8px; border-bottom: 1px solid var(--line); }
.property-facts strong { font-size: 16px; color: #435371; font-weight: 500; padding-right: 2px; }
.draft-copy { font-size: 16px; line-height: 1.65; color: var(--muted); margin-top: 12px; }
.document-files { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 15px; }
.document-files span { font-size: 12px; color: var(--muted); background: #f4f6fa; padding: 3px 6px; border-radius: 3px; }
.unknown-note { display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--amber); margin-top: 12px; }
.unknown-note > span { width: 14px; height: 14px; flex: 0 0 14px; border: 1px solid #b68c3e; border-radius: 50%; font-size: 12px; display: grid; place-items: center; line-height: 1; }
.artifact-footnote { color: var(--muted); font-size: 12px; margin-top: 11px; line-height: 1.6; }
.preview-caption { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 12px; padding-top: 16px; }
.preview-caption > span { white-space: nowrap; }
.record-document, .reply-document, .review-document { min-height: 406px; padding: 24px; background: #fff; border: 1px solid #e0e6ef; border-radius: 7px; }
.record-document h3, .reply-document h3, .review-document h3 { font-size: 23px; font-weight: 600; letter-spacing: -.6px; line-height: 1.3; margin-top: 10px; }
.record-facts { margin: 22px 0 0; }
.record-facts > div { border-bottom: 1px solid var(--line); padding: 14px 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 7px; }
.record-facts dt { font-size: 14px; color: var(--muted); }
.record-facts dd { margin: 0; font-size: 14px; font-weight: 500; }
.record-facts dd small { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
.record-facts .unknown-row { display: block; border: none; background: var(--amber-bg); padding: 14px; border-radius: 5px; margin-top: 16px; }
.unknown-row dd { color: var(--amber); margin-top: 5px; }
.record-source-note { font-size: 12px; color: var(--muted); margin-top: 18px; }
.buyer-question { padding: 15px; background: #f4f6fa; color: var(--muted); font-size: 16px; line-height: 1.7; border-radius: 6px; margin-top: 18px; }
.reply-body { border-left: 2px solid #c7d4fd; padding-left: 14px; margin-top: 23px; font-size: 16px; color: var(--muted); line-height: 1.8; }
.reply-body p + p { margin-top: 12px; }
.reply-review { display: flex; gap: 7px; align-items: center; font-size: 12px; color: var(--amber); background: var(--amber-bg); padding: 9px 11px; border-radius: 5px; margin-top: 23px; }
.review-checklist { padding: 0; list-style: none; margin: 22px 0; }
.review-checklist li { display: flex; gap: 10px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.review-checklist li > span { color: var(--blue); font-size: 14px; flex: 0 0 16px; }
.review-checklist strong { font-size: 14px; font-weight: 600; }
.review-checklist p { font-size: 12px; color: var(--muted); margin-top: 3px; }
.review-checklist li.review-question { margin-top: 10px; padding: 12px; border: 0; border-radius: 5px; background: var(--amber-bg); }
.review-question > span, .review-question strong { color: var(--amber); }
.sample-approval .button { width: 100%; }
.sample-approval p { font-size: 12px; color: var(--muted); margin-top: 12px; }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.demo-section { padding-top: 106px; }
.demo-intro { display: grid; grid-template-columns: 1.3fr 1fr; align-items: end; gap: 80px; margin-bottom: 38px; }
.demo-intro .eyebrow { display: flex; align-items: center; gap: 9px; color: var(--blue); }
.demo-live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); flex: 0 0 7px; }
.demo-intro h2 { margin-top: 20px; font-size: clamp(36px, 3.8vw, 50px); font-weight: 500; line-height: 1.14; letter-spacing: -.045em; }
.demo-description > p:first-child { font-size: 16px; color: var(--muted); max-width: 410px; }
.demo-description .button { gap: 18px; margin-top: 21px; }
.demo-gallery { display: grid; grid-template-columns: .8fr 1.8fr; align-items: stretch; gap: 24px; }
.demo-gallery figure { margin: 0; min-width: 0; }
.demo-plan-rail { display: grid; grid-template-rows: 1fr 1fr; gap: 20px; }
.demo-plan { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.demo-plan figcaption { display: flex; align-items: flex-start; gap: 12px; padding: 17px 20px; border-bottom: 1px solid var(--line); }
.demo-step { color: var(--blue); font-size: 12px; font-weight: 600; line-height: 1.5; padding-top: 2px; }
.demo-plan h3 { font-size: 16px; font-weight: 500; line-height: 1.45; }
.demo-plan figcaption p { color: var(--muted); font-size: 12px; margin-top: 3px; }
.demo-plan > a { display: flex; align-items: center; justify-content: center; flex: 1; min-height: 0; padding: 12px; background: #fff; }
.demo-plan img { width: 100%; height: 270px; object-fit: contain; }
.demo-scene { display: flex; flex-direction: column; border: 1px solid #d5deed; border-top: 3px solid var(--blue); border-radius: 8px; overflow: hidden; background: #fff; box-shadow: 0 20px 44px -32px #243a6660; }
.demo-scene figcaption { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 21px 24px; }
.demo-scene figcaption > div { display: flex; gap: 13px; align-items: center; }
.demo-scene h3 { font-size: 18px; font-weight: 500; line-height: 1.4; letter-spacing: -.02em; }
.demo-screen-label { font-size: 12px; color: var(--muted); }
.demo-scene-link { position: relative; display: flex; align-items: center; justify-content: center; flex: 1; min-height: 0; background: #e5e2dd; }
.demo-scene-link img { width: 100%; height: auto; max-height: 640px; object-fit: contain; }
.demo-scene-action { position: absolute; bottom: 22px; left: 22px; display: inline-flex; align-items: center; gap: 25px; min-height: 44px; padding: 12px 18px; background: #fff; border: 1px solid #d5deed; border-radius: 5px; font-size: 14px; font-weight: 600; color: var(--blue); box-shadow: 0 4px 18px #17203315; transition: background .2s; }
.demo-scene-link:hover .demo-scene-action { background: var(--blue); color: #fff; border-color: var(--blue); }
.demo-scene-footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 7px 16px; padding: 16px 24px; border-top: 1px solid var(--line); }
.demo-scene-footer p { font-size: 14px; color: var(--ink); }
.demo-scene-footer > span { font-size: 12px; color: var(--muted); }
.demo-provenance { display: flex; justify-content: space-between; align-items: flex-start; gap: 45px; padding-top: 22px; }
.demo-provenance > p { max-width: 850px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.demo-provenance strong { color: var(--ink); font-weight: 500; }
.demo-provenance > div { display: flex; flex: 0 0 auto; gap: 20px; margin-top: -9px; }
.demo-provenance a { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; color: var(--muted); text-decoration: underline; text-underline-offset: 4px; gap: 6px; }
.demo-provenance a:hover { color: var(--blue); }

/* Distinct sections follow the property story rather than repeating cards. */
.section-intro h2, .scope-heading h2, .access-inner h2 { margin-top: 20px; font-size: clamp(34px, 3.7vw, 48px); font-weight: 500; line-height: 1.14; letter-spacing: -.045em; }
.section-intro > p:not(.eyebrow) { margin-top: 22px; color: var(--muted); font-size: 16px; max-width: 480px; }
.section-intro > .text-link { margin-top: 22px; }
.workflow-section { display: grid; grid-template-columns: .82fr 1.4fr; gap: 80px; padding-top: 112px; padding-bottom: 108px; }
.workflow-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 36px; }
.workflow-step { display: flex; gap: 16px; border-top: 1px solid var(--line); padding-top: 21px; min-width: 0; }
.step-number { font-size: 12px; font-weight: 600; color: var(--blue); padding-top: 4px; }
.workflow-step h3 { font-size: 20px; font-weight: 600; letter-spacing: -.025em; line-height: 1.4; }
.workflow-step p { color: var(--muted); font-size: 16px; margin-top: 11px; }
.step-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 20px; }
.step-tags span { font-size: 12px; color: var(--muted); background: var(--pale); padding: 4px 8px; border-radius: 3px; }
.step-fragment { display: flex; align-items: center; gap: 9px; margin-top: 20px; font-size: 12px; color: var(--muted); }
.fragment-rule { width: 22px; height: 3px; flex: 0 0 22px; background: var(--blue); }
.step-fragment svg { width: 20px; height: 20px; flex: 0 0 20px; stroke: var(--blue); fill: none; stroke-width: 1.6; }
.buyer-dot { flex: 0 0 10px; height: 10px; border: 2px solid var(--blue); border-radius: 50%; }
.context-section { background: var(--pale); border-block: 1px solid var(--line); }
.context-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; padding-top: 96px; padding-bottom: 76px; align-items: center; }
.context-points { display: grid; gap: 22px; margin-top: 32px; padding-left: 18px; border-left: 2px solid #cad6fb; }
.context-points p { color: var(--muted); font-size: 16px; }
.context-points strong { color: var(--ink); font-weight: 500; }
.record-showcase { border: 1px solid #dce3ee; border-radius: 10px; background: #fff; box-shadow: 0 20px 48px -30px #243a6640; }
.record-header { display: flex; align-items: center; gap: 14px; padding: 25px 28px; border-bottom: 1px solid var(--line); }
.record-monogram { display: grid; place-items: center; width: 38px; height: 42px; border-radius: 5px; background: var(--blue-pale); color: var(--blue); flex: 0 0 38px; }
.record-monogram svg { width: 25px; height: 25px; stroke: currentColor; fill: none; stroke-width: 2; }
.record-header p { font-size: 12px; color: var(--muted); }
.record-header h3 { font-size: 18px; font-weight: 500; letter-spacing: -.025em; }
.record-header .sample-badge { margin-left: auto; }
.record-entry { display: grid; grid-template-columns: 112px 1fr; column-gap: 16px; padding: 20px 28px; border-bottom: 1px solid var(--line); }
.record-entry-label { color: var(--muted); font-size: 12px; padding-top: 2px; }
.record-entry p { font-size: 14px; font-weight: 500; }
.record-entry-source { grid-column: 2; font-size: 12px; color: var(--muted); margin-top: 3px; }
.record-open { background: var(--amber-bg); border-left: 3px solid #c19b52; padding-left: 25px; }
.record-open p { color: var(--amber); }
.record-bottom { font-size: 12px; color: var(--muted); padding: 14px 28px; }
.model-direction { display: grid; grid-template-columns: 1fr 2fr; gap: 50px; padding-top: 38px; padding-bottom: 48px; position: relative; }
.model-direction::before { content: ''; position: absolute; top: 0; left: 40px; right: 40px; height: 1px; background: var(--line); }
.model-direction .eyebrow { color: var(--blue); padding-top: 6px; }
.model-direction > div { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.model-direction h3 { font-size: 20px; font-weight: 500; line-height: 1.45; letter-spacing: -.025em; }
.model-direction p:not(.eyebrow) { font-size: 16px; color: var(--muted); }
.scope-section { display: grid; grid-template-columns: 1fr 1.55fr; gap: 95px; padding-top: 104px; padding-bottom: 100px; }
.scope-row { display: grid; grid-template-columns: 140px 1fr; gap: 20px; padding-block: 27px; border-top: 1px solid var(--line); }
.scope-row:last-child { border-bottom: 1px solid var(--line); }
.scope-label { font-size: 14px; font-weight: 500; color: var(--ink); }
.scope-row p { font-size: 16px; color: var(--muted); }
.faq-section { display: grid; grid-template-columns: 1fr 1.55fr; gap: 95px; padding-top: 0; padding-bottom: 110px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; list-style: none; min-height: 76px; padding-block: 21px; cursor: pointer; font-size: 16px; font-weight: 500; line-height: 1.55; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { flex: 0 0 20px; font-size: 24px; color: var(--blue); font-weight: 400; line-height: 1; transition: transform .2s; }
.faq-list details[open] summary > span { transform: rotate(45deg); }
.faq-list details > p { font-size: 16px; color: var(--muted); padding-bottom: 24px; padding-right: 30px; }
.faq-list p a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.access-section { padding-bottom: 74px; }
.access-inner { display: grid; grid-template-columns: 1.45fr 1fr; align-items: center; gap: 40px; background: var(--blue-pale); padding: 56px 62px; border-radius: 12px; }
.access-inner h2 { font-size: clamp(36px, 4.2vw, 54px); }
.access-inner > div:first-child > p:not(.eyebrow):not(.cta-note) { color: var(--muted); font-size: 16px; margin-top: 24px; max-width: 480px; }
.access-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 22px; margin-top: 27px; }
.access-art { display: flex; align-items: center; flex-direction: column; padding-left: 20px; color: var(--blue); }
.access-art svg { width: 100%; max-width: 320px; fill: none; stroke: currentColor; stroke-width: 2; }
.access-art svg .access-art-fine { stroke-width: 1; opacity: .55; }
.access-art span { font-size: 12px; color: var(--muted); margin-top: 8px; }
.site-footer { display: flex; align-items: center; gap: 30px; padding-top: 26px; padding-bottom: 30px; border-top: 1px solid var(--line); }
.site-footer .brand { font-size: 20px; }
.site-footer p { font-size: 12px; color: var(--muted); }
.site-footer > span { margin-left: auto; font-size: 12px; white-space: nowrap; color: var(--muted); }

@media (max-width: 1100px) {
  .container, .header-inner { padding-inline: 30px; }
  .hero-intro { gap: 30px; grid-template-columns: 1.5fr 1fr; }
  .hero h1 { font-size: 60px; }
  .hero-actions { gap: 6px 16px; }
  .source-panel, .artifact-panel { padding: 20px 15px; }
  .work-panel { padding: 20px 16px; }
  .workflow-tabs button > span { display: none; }
  .task-heading h2 { font-size: 21px; }
  .document-body { padding: 17px; }
  .document-body h3 { font-size: 24px; }
  .file-list li { gap: 7px; }
  .demo-intro { gap: 50px; }
  .demo-gallery { grid-template-columns: .85fr 1.65fr; gap: 20px; }
  .demo-plan img { height: 240px; }
  .demo-scene figcaption { flex-wrap: wrap; gap: 7px; padding: 18px 20px; }
  .demo-screen-label { padding-left: 30px; }
  .demo-provenance { gap: 25px; }
  .workflow-section { gap: 48px; grid-template-columns: .8fr 1.4fr; }
  .workflow-steps { gap: 32px 24px; }
  .workflow-step { gap: 12px; }
  .context-inner { gap: 60px; }
  .model-direction { grid-template-columns: .8fr 1.8fr; gap: 35px; }
  .model-direction::before { left: 30px; right: 30px; }
  .model-direction > div { gap: 24px; }
  .scope-section, .faq-section { gap: 60px; }
  .scope-row { grid-template-columns: 110px 1fr; }
  .access-inner { padding: 48px; }
}
@media (max-width: 1000px) {
  .workspace-grid { grid-template-columns: 1fr 1fr; }
  .source-panel { display: none; }
  .mobile-materials { display: block; padding: 0 22px; border-bottom: 1px solid var(--line); background: #f8faff; }
  .mobile-materials summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 44px; cursor: pointer; font-size: 14px; }
  .mobile-materials summary span { font-size: 12px; color: var(--muted); }
  .mobile-materials summary::after { content: '+'; font-size: 20px; color: var(--blue); }
  .mobile-materials[open] summary::after { content: '−'; }
  .mobile-materials p { font-size: 14px; color: var(--muted); padding: 0 0 14px; overflow-wrap: anywhere; }
  .work-panel, .artifact-panel { padding: 23px; }
  .record-entry { grid-template-columns: 88px 1fr; padding-inline: 22px; }
  .record-open { padding-left: 19px; }
  .record-header, .record-bottom { padding-inline: 22px; }
  .model-direction { grid-template-columns: 1fr; gap: 20px; }
  .model-direction > div { grid-template-columns: 1fr 1fr; gap: 60px; }
}
@media (max-width: 850px) {
  .header-inner > nav { gap: 20px; margin-right: 0; }
  .hero-intro { grid-template-columns: 1fr; gap: 25px; }
  .hero h1 { font-size: 66px; }
  .hero-description { display: grid; grid-template-columns: 1.05fr 1fr; column-gap: 25px; }
  .hero-description > p:first-child { grid-row: span 2; max-width: none; }
  .hero-actions { margin-top: 0; align-content: start; }
  .cta-note { margin-top: 6px; }
  .preview-help { display: none; }
  .preview-caption { display: block; }
  .preview-caption > span { display: block; margin-top: 4px; }
  .workflow-section { grid-template-columns: 1fr; gap: 44px; padding-block: 80px; }
  .demo-section { padding-top: 80px; }
  .demo-intro { grid-template-columns: 1fr 1fr; gap: 32px; }
  .demo-gallery { grid-template-columns: .8fr 1.4fr; }
  .demo-plan figcaption { padding: 14px; }
  .demo-plan img { height: 210px; }
  .demo-scene-link img { min-height: 380px; }
  .demo-scene-footer { padding: 14px 18px; }
  .demo-provenance { flex-direction: column; gap: 10px; }
  .workflow-steps { gap: 36px; }
  .context-inner { grid-template-columns: 1fr 1fr; gap: 35px; padding-top: 72px; padding-bottom: 54px; align-items: start; }
  .record-header { gap: 10px; }
  .record-header h3 { font-size: 16px; }
  .record-header .sample-badge { display: none; }
  .record-entry { grid-template-columns: 1fr; }
  .record-entry-source { grid-column: 1; }
  .record-entry p { margin-top: 5px; }
  .scope-section, .faq-section { gap: 36px; }
  .scope-row { grid-template-columns: 1fr; gap: 9px; }
  .scope-section { padding-block: 80px; }
  .faq-section { padding-bottom: 80px; }
  .access-inner { padding: 38px; grid-template-columns: 1.65fr 1fr; }
  .access-art { padding: 0; }
  .site-footer { flex-wrap: wrap; gap: 12px 24px; }
  .site-footer p { flex: 1; }
}
@media (max-width: 760px) {
  .workspace-grid { display: flex; flex-direction: column; min-height: 0; }
  .work-panel { padding: 19px 22px 12px; }
  .workflow-tabs button { flex: 1; }
  .task-heading { margin-top: 17px; }
  .task-heading > p:last-child { margin-top: 7px; }
  .task-details { margin-top: 8px; }
  .task-details > summary { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 44px; font-size: 14px; color: var(--blue); cursor: pointer; list-style: none; }
  .task-details > summary::-webkit-details-marker { display: none; }
  .task-details > summary::after { content: '+'; font-size: 22px; }
  .task-details[open] > summary::after { content: '−'; }
  .task-request { margin-top: 8px; }
  .task-list { gap: 15px; margin-top: 19px; }
  .review-note { margin-top: 17px; padding-top: 14px; padding-bottom: 8px; }
  .artifact-panel { border-left: 0; border-top: 1px solid var(--line); padding: 20px 22px; }
  .listing-photo { height: 230px; }
  .record-document, .reply-document, .review-document { min-height: 0; }
  .document-body h3 { font-size: 28px; }
  .context-inner { grid-template-columns: 1fr; gap: 40px; }
  .record-entry { grid-template-columns: 120px 1fr; }
  .record-entry p { margin-top: 0; }
  .record-entry-source { grid-column: 2; }
  .record-header .sample-badge { display: block; }
  .model-direction > div { gap: 32px; }
  .scope-section, .faq-section { grid-template-columns: 1fr; gap: 35px; }
  .scope-row { grid-template-columns: 140px 1fr; gap: 20px; }
  .access-inner { grid-template-columns: 1fr; }
  .access-art { display: none; }
}
@media (max-width: 700px) {
  .header-inner > nav { display: none; }
  .mobile-menu { display: block; margin-left: auto; }
  .mobile-menu summary { display: flex; align-items: center; justify-content: center; min-height: 44px; padding: 8px 4px; font-size: 14px; font-weight: 500; color: var(--muted); cursor: pointer; list-style: none; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu nav { position: absolute; left: 20px; right: 20px; top: calc(100% - 2px); z-index: 10; display: flex; flex-direction: column; gap: 0; padding: 12px 16px; margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 14px 35px #1720331a; }
  .mobile-menu nav a { min-height: 44px; padding: 8px 6px; }
}
@media (max-width: 600px) {
  .container, .header-inner { padding-inline: 20px; }
  .header-inner { height: 76px; gap: 12px; }
  .header-inner > .button-small { display: none; }
  .brand { font-size: 23px; gap: 6px; }
  .brand-symbol { width: 25px; }
  .brand-symbol svg { width: 25px; height: 25px; }
  .button-small { font-size: 14px; padding: 10px 11px; }
  .hero { padding-top: 38px; }
  .eyebrow-row { align-items: flex-start; flex-direction: column; gap: 9px; margin-bottom: 23px; }
  .hero h1 { font-size: clamp(38px, 10.2vw, 56px); letter-spacing: -.055em; line-height: 1.1; }
  .hero-intro { gap: 23px; }
  .hero-description { display: block; }
  .hero-description > p:first-child { line-height: 1.75; }
  .hero-actions { margin-top: 23px; gap: 12px 17px; }
  .hero-actions .button { padding-inline: 17px; }
  .demo-section { padding-top: 65px; }
  .demo-intro { grid-template-columns: 1fr; gap: 24px; margin-bottom: 28px; }
  .demo-intro h2 { font-size: 36px; }
  .demo-gallery { grid-template-columns: 1fr; gap: 18px; }
  .demo-scene { grid-row: 1; }
  .demo-scene-link img { min-height: 0; }
  .demo-scene-action { left: 14px; bottom: 14px; padding: 10px 14px; }
  .demo-plan-rail { grid-template-columns: 1fr 1fr; grid-template-rows: auto; gap: 12px; }
  .demo-plan figcaption { gap: 7px; padding: 12px 10px; }
  .demo-plan h3 { font-size: 14px; }
  .demo-plan img { height: 170px; }
  .demo-plan > a { padding: 7px; }
  .demo-provenance { padding-top: 18px; }
  .cta-note { margin-top: 10px; }
  .preview-label { padding-top: 34px; margin-bottom: 12px; gap: 7px; }
  .preview-label p { line-height: 1.5; }
  .workspace-topbar { padding: 12px 14px; min-height: 54px; gap: 8px; }
  .workspace-identity { gap: 8px; }
  .workspace-identity > span:not(.mini-symbol) { display: none; }
  .sample-badge { padding-inline: 5px; }
  .mobile-materials { padding-inline: 17px; }
  .work-panel { padding: 15px 17px 9px; }
  .workflow-tabs { gap: 2px; }
  .workflow-tabs button { padding: 7px 5px; }
  .task-heading h2 { font-size: 22px; }
  .task-request { padding: 10px; }
  .artifact-panel { padding: 19px 17px; }
  .artifact-heading { margin-bottom: 12px; }
  .listing-photo { height: 175px; }
  .document-body { padding: 20px; }
  .record-document, .reply-document, .review-document { padding: 22px; }
  .preview-caption { padding-top: 15px; line-height: 1.7; }
  .section-intro h2, .scope-heading h2 { font-size: 36px; }
  .workflow-section { padding-top: 70px; padding-bottom: 65px; gap: 34px; }
  .workflow-steps { grid-template-columns: 1fr; gap: 28px; }
  .workflow-step { gap: 18px; padding-top: 20px; }
  .workflow-step h3 { font-size: 21px; }
  .workflow-step p { margin-top: 8px; }
  .step-tags, .step-fragment { margin-top: 15px; }
  .context-inner { padding-top: 62px; padding-bottom: 38px; }
  .context-points { margin-top: 26px; gap: 18px; }
  .record-header { padding-block: 21px; }
  .record-entry { grid-template-columns: 90px 1fr; gap: 5px 13px; padding-block: 17px; }
  .record-header h3 { font-size: 17px; }
  .model-direction { padding-top: 30px; padding-bottom: 38px; }
  .model-direction::before { left: 20px; right: 20px; }
  .model-direction > div { grid-template-columns: 1fr; gap: 18px; }
  .model-direction h3 { font-size: 22px; }
  .scope-section { padding-top: 64px; padding-bottom: 65px; gap: 30px; }
  .scope-row { grid-template-columns: 1fr; gap: 8px; padding-block: 23px; }
  .scope-label { color: var(--blue); }
  .faq-section { gap: 25px; padding-bottom: 64px; }
  .faq-list summary { min-height: 70px; gap: 18px; padding-block: 18px; }
  .faq-list details > p { padding-right: 10px; }
  .access-section { padding-bottom: 45px; }
  .access-inner { padding: 34px 25px; border-radius: 9px; gap: 0; }
  .access-inner h2 { font-size: 38px; }
  .access-actions { gap: 10px 18px; }
  .site-footer { padding-top: 22px; padding-bottom: 26px; align-items: flex-start; }
  .site-footer p { flex-basis: 100%; order: 3; max-width: 310px; }
  .site-footer > span { padding-top: 11px; }
}
@media (max-width: 380px) {
  .header-inner { flex-wrap: wrap; height: auto; min-height: 76px; padding-block: 12px; gap: 8px; }
  .header-inner > .button-small { flex-basis: 100%; }
  .mobile-menu nav { top: 58px; }
  .workflow-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
  .demo-plan-rail { grid-template-columns: 1fr; }
  .demo-plan img { height: 220px; }
  .record-header { padding-inline: 17px; }
  .record-header .sample-badge { display: none; }
  .record-entry { grid-template-columns: 1fr; padding-inline: 17px; }
  .record-entry-source { grid-column: 1; }
  .record-open { padding-left: 14px; }
  .record-bottom { padding-inline: 17px; }
  .access-inner h2 { font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}