:root {
  --paper: #f7f3f7;
  --paper-strong: #eee7ef;
  --ink: #171019;
  --ink-soft: #493f4b;
  --muted: #746a76;
  --purple: #660874;
  --purple-deep: #310538;
  --purple-soft: #b58aba;
  --lavender: #dfcfe2;
  --white: #fffaff;
  --line: rgba(102, 8, 116, .2);
  --line-dark: rgba(255, 250, 255, .18);
  --green: #167b62;
  --amber: #a05d0e;
  --blue: #315c9b;
  --sans: "Aptos", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --serif: "Iowan Old Style", "Songti SC", "STSong", "Source Han Serif SC", Georgia, serif;
  --mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --max: 1240px;
  --reading: 820px;
  --pad: clamp(20px, 5vw, 76px);
  --radius: 3px;
  --shadow: 0 22px 70px rgba(49, 5, 56, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: .16;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.84' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.09'/%3E%3C/svg%3E");
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }
::selection { color: var(--white); background: var(--purple); }

.skip-link { position: fixed; z-index: 1000; top: -80px; left: 18px; padding: 10px 15px; color: var(--white); background: var(--ink); }
.skip-link:focus { top: 18px; }
.section-shell { width: min(var(--max), calc(100% - 2 * var(--pad))); margin-inline: auto; }
.reading-shell { width: min(var(--reading), calc(100% - 2 * var(--pad))); margin-inline: auto; }
.section { padding-block: clamp(74px, 9vw, 132px); }
.section-tight { padding-block: clamp(54px, 7vw, 92px); }
.section-dark { color: var(--white); background: var(--ink); }
.section-purple { color: var(--white); background: var(--purple-deep); }
.section-paper-strong { background: var(--paper-strong); }
.section-line { border-top: 1px solid var(--line); }

.signal-bar { min-height: 38px; padding: 7px var(--pad); display: flex; align-items: center; justify-content: space-between; gap: 24px; color: rgba(255, 250, 255, .78); background: var(--ink); font: 700 10px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.signal-bar p { margin: 0; }
.signal-bar strong { color: var(--lavender); }
.layer-links { display: flex; align-items: center; gap: 22px; }
.layer-links a { border-bottom: 1px solid transparent; }
.layer-links a:hover, .layer-links a:focus-visible { color: var(--white); border-color: var(--lavender); }

.site-header { position: sticky; z-index: 100; top: 0; min-height: 84px; padding: 0 var(--pad); display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: clamp(24px, 4vw, 62px); border-bottom: 1px solid var(--line); background: rgba(247, 243, 247, .95); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; min-width: 126px; }
.brand img { width: 132px; height: 66px; object-fit: contain; display: block; }
.site-nav { display: flex; align-items: center; justify-content: center; gap: clamp(13px, 1.55vw, 24px); }
.site-nav a { position: relative; padding: 31px 0 26px; white-space: nowrap; color: var(--ink-soft); font-size: 12px; font-weight: 680; }
.site-nav a::after { content: ""; position: absolute; right: 100%; bottom: 19px; left: 0; height: 2px; background: var(--purple); transition: right .2s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a[aria-current="page"]::after { right: 0; }
.site-nav a[aria-current="page"] { color: var(--purple); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.partner-button, .button { min-height: 44px; padding: 10px 17px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid transparent; border-radius: var(--radius); font-size: 13px; font-weight: 760; line-height: 1.2; transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease; }
.partner-button, .button-primary { color: var(--white); background: var(--purple); border-color: var(--purple); }
.partner-button:hover, .button-primary:hover { color: var(--ink); background: var(--lavender); border-color: var(--ink); transform: translateY(-1px); }
.button-dark { color: var(--white); background: var(--ink); border-color: var(--ink); }
.button-dark:hover { color: var(--ink); background: var(--white); }
.button-light { color: var(--ink); background: var(--white); border-color: var(--white); }
.button-light:hover { color: var(--white); background: transparent; }
.button-outline { color: var(--ink); background: transparent; border-color: var(--ink); }
.button-outline:hover { color: var(--white); background: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--purple); border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 760; }
.text-link:hover { color: var(--ink); }
.menu-button { display: none; width: 44px; height: 44px; padding: 9px; border: 0; background: transparent; }
.menu-button span { display: block; width: 23px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }

.page-hero { position: relative; min-height: 590px; padding-block: clamp(76px, 10vw, 142px) clamp(82px, 11vw, 148px); overflow: hidden; }
.page-hero::after { content: ""; position: absolute; z-index: -1; right: -12vw; bottom: -28vw; width: min(72vw, 920px); aspect-ratio: 1; border: clamp(30px, 5vw, 82px) solid rgba(102, 8, 116, .055); transform: rotate(18deg); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .72fr); align-items: end; gap: clamp(48px, 8vw, 130px); }
.page-hero-copy { max-width: 820px; }
.eyebrow { margin: 0 0 26px; display: flex; align-items: center; gap: 14px; color: var(--purple); font: 750 11px/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.eyebrow-light { color: var(--lavender); }
h1, h2, h3, p { text-wrap: pretty; }
h1, h2 { margin: 0; font-family: var(--serif); font-weight: 650; letter-spacing: -.045em; line-height: 1.02; }
h1 { max-width: 920px; font-size: clamp(50px, 7.4vw, 102px); }
h2 { max-width: 900px; font-size: clamp(38px, 5.5vw, 72px); }
h3 { margin: 0; font-size: clamp(19px, 2vw, 27px); line-height: 1.28; }
.page-hero h1 em, .section-heading h2 em { color: var(--purple); font-style: normal; }
.hero-lead { max-width: 740px; margin: 30px 0 0; color: var(--ink-soft); font-size: clamp(18px, 2vw, 24px); line-height: 1.62; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.hero-aside { padding: 28px 0 0 28px; border-top: 2px solid var(--purple); border-left: 1px solid var(--line); }
.hero-aside small { display: block; color: var(--purple); font: 750 10px/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.hero-aside strong { display: block; margin-top: 14px; font: 650 clamp(21px, 2.4vw, 34px)/1.32 var(--serif); }
.hero-aside p { margin: 16px 0 0; color: var(--muted); }
.hero-fact-list { margin: 20px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.hero-fact-list li { padding: 12px 0; display: grid; grid-template-columns: 86px 1fr; gap: 14px; border-bottom: 1px solid var(--line); font-size: 13px; }
.hero-fact-list span { color: var(--muted); font: 700 10px/1.4 var(--mono); text-transform: uppercase; }

.decision-strip { color: var(--white); background: var(--purple); }
.decision-strip-inner { min-height: 120px; padding-block: 28px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 30px; }
.decision-strip .number { color: var(--lavender); font: 650 44px/1 var(--serif); }
.decision-strip p { margin: 0; font-size: clamp(17px, 2vw, 24px); font-weight: 620; }
.decision-strip small { color: rgba(255,255,255,.7); font: 700 10px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; }

.section-heading { margin-bottom: clamp(46px, 6vw, 76px); display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .55fr); align-items: end; gap: 42px; }
.section-heading p { max-width: 590px; margin: 0; color: var(--muted); font-size: 18px; }
.section-dark .section-heading p, .section-purple .section-heading p { color: rgba(255,255,255,.7); }
.section-heading-center { margin-inline: auto; display: block; text-align: center; }
.section-heading-center h2 { margin-inline: auto; }
.section-heading-center p { margin: 24px auto 0; }

.problem-triangle { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.problem-item { min-height: 300px; padding: 34px clamp(24px, 3vw, 46px) 38px; border-right: 1px solid var(--line); }
.problem-item:last-child { border-right: 0; }
.problem-item .index { color: var(--purple-soft); font: 650 52px/1 var(--serif); }
.problem-item h3 { margin-top: 58px; }
.problem-item p { margin: 16px 0 0; color: var(--muted); }

.chain-wrap { position: relative; }
.chain { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(9, minmax(126px, 1fr)); overflow-x: auto; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); list-style: none; scrollbar-color: var(--purple-soft) transparent; }
.section:not(.section-dark):not(.section-purple) .chain { border-color: var(--line); }
.chain-item { position: relative; min-height: 190px; padding: 23px 18px 26px; border-right: 1px solid var(--line-dark); outline: none; transition: background .2s ease, color .2s ease; }
.section:not(.section-dark):not(.section-purple) .chain-item { border-color: var(--line); }
.chain-item:last-child { border-right: 0; }
.chain-item::after { content: ""; position: absolute; right: -5px; top: 33px; z-index: 2; width: 8px; height: 8px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg); opacity: .45; }
.chain-item:last-child::after { display: none; }
.chain-item span { display: block; color: var(--purple-soft); font: 700 10px/1 var(--mono); }
.chain-item strong { display: block; margin-top: 34px; font-size: 15px; line-height: 1.42; }
.chain-item small { display: block; margin-top: 10px; color: inherit; font-size: 11px; opacity: .62; }
.chain-item:hover, .chain-item:focus-visible, .chain-item.is-current { color: var(--white); background: var(--purple); }
.chain-item.is-covered { box-shadow: inset 0 -5px 0 var(--purple-soft); }
.chain-item.is-building { background-image: repeating-linear-gradient(135deg, transparent, transparent 8px, rgba(181,138,186,.1) 8px, rgba(181,138,186,.1) 16px); }
.chain-detail { min-height: 116px; padding: 24px 0 0; display: grid; grid-template-columns: 110px 1fr; gap: 26px; }
.chain-detail-label { color: var(--purple-soft); font: 750 10px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.chain-detail p { max-width: 820px; margin: 0; font-size: 18px; }

.business-map { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.business-map article { min-height: 310px; padding: 30px; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.business-map article:last-child { border-right: 0; }
.business-map .tag { color: var(--purple); font: 750 10px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.business-map h3 { margin-top: 52px; }
.business-map p { margin: 15px 0 30px; color: var(--muted); }
.business-map a { margin-top: auto; align-self: flex-start; }

.route-list { border-top: 1px solid var(--line); }
.route-row { min-height: 170px; padding: 30px 0; display: grid; grid-template-columns: 80px minmax(190px, .7fr) minmax(280px, 1.3fr) auto; align-items: center; gap: 30px; border-bottom: 1px solid var(--line); }
.route-row .route-index { color: var(--purple-soft); font: 650 34px/1 var(--serif); }
.route-row p { margin: 0; color: var(--muted); }
.route-row:hover h3 { color: var(--purple); }

.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.evidence-card { min-width: 0; padding: 26px; background: var(--paper); }
.evidence-card img { width: 100%; aspect-ratio: 1; display: block; object-fit: cover; border: 1px solid var(--line); background: var(--white); }
.evidence-card h3 { margin-top: 24px; font-size: 21px; }
.evidence-card p { margin: 13px 0 0; color: var(--muted); font-size: 14px; }
.evidence-meta { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.evidence-label { padding: 5px 8px; display: inline-flex; align-items: center; gap: 6px; border: 1px solid currentColor; border-radius: 99px; font: 750 9px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.evidence-label::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.label-complete { color: var(--green); }
.label-pilot { color: var(--amber); }
.label-demo { color: var(--blue); }
.label-tool { color: var(--purple); }
.source-note { margin: 28px 0 0; padding: 18px 20px; border-left: 3px solid var(--purple); color: var(--muted); background: rgba(102,8,116,.045); font-size: 13px; }

.definition-block { padding: clamp(34px, 5vw, 66px); color: var(--white); background: var(--purple); }
.definition-block small { color: var(--lavender); font: 750 10px/1.3 var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.definition-block blockquote { max-width: 930px; margin: 26px 0 0; font: 620 clamp(28px, 4vw, 52px)/1.24 var(--serif); }
.definition-block p { max-width: 780px; margin: 26px 0 0; color: rgba(255,255,255,.75); }

.layer-table, .data-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); }
.section-dark .layer-table, .section-dark .data-table { border-color: var(--white); }
.layer-table th, .layer-table td, .data-table th, .data-table td { padding: 18px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.section-dark .layer-table th, .section-dark .layer-table td, .section-dark .data-table th, .section-dark .data-table td { border-color: var(--line-dark); }
.layer-table th, .data-table th { color: var(--muted); font: 750 10px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.section-dark .layer-table th, .section-dark .data-table th { color: rgba(255,255,255,.54); }
.layer-table td:first-child, .data-table td:first-child { font-weight: 760; }
.table-scroll { overflow-x: auto; }

.comparison-list { border-top: 1px solid var(--line); }
.comparison-row { padding: 26px 0; display: grid; grid-template-columns: minmax(180px,.55fr) minmax(220px,.8fr) minmax(300px,1.35fr); gap: 30px; border-bottom: 1px solid var(--line); }
.comparison-row strong { font-size: 18px; }
.comparison-row p { margin: 0; color: var(--muted); }

.capability-list { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.capability-item { min-height: 270px; padding: 30px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.capability-item span { color: var(--purple-soft); font: 700 10px/1 var(--mono); }
.capability-item h3 { margin-top: 42px; }
.capability-item p { margin: 13px 0 0; color: rgba(255,255,255,.68); }
.capability-item small { margin-top: 20px; display: block; color: var(--lavender); font-size: 12px; }
.capability-item.capability-bottom { grid-column: 1 / -1; min-height: 220px; background: var(--purple-deep); }

.solution-hero-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.solution-card { min-height: 390px; padding: clamp(28px, 4vw, 50px); display: flex; flex-direction: column; border: 1px solid var(--line); background: rgba(255,250,255,.32); }
.solution-card .status { color: var(--purple); font: 750 10px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.solution-card h3 { margin-top: 68px; font-size: clamp(25px, 3vw, 38px); }
.solution-card p { margin: 17px 0 28px; color: var(--muted); }
.solution-card ul { margin: 0 0 34px; padding-left: 20px; color: var(--ink-soft); }
.solution-card a { margin-top: auto; align-self: flex-start; }
.solution-card.is-primary { color: var(--white); background: var(--purple); border-color: var(--purple); }
.solution-card.is-primary .status, .solution-card.is-primary p { color: rgba(255,255,255,.72); }
.solution-card.is-primary ul { color: var(--white); }
.solution-card.is-primary .text-link { color: var(--white); }

.scope-split { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.scope-panel { padding: clamp(32px, 5vw, 62px); background: var(--paper); }
.scope-panel h3 { font-size: 28px; }
.scope-panel ul { margin: 28px 0 0; padding: 0; list-style: none; }
.scope-panel li { position: relative; padding: 14px 0 14px 28px; border-top: 1px solid var(--line); }
.scope-panel li::before { content: "+"; position: absolute; left: 0; color: var(--purple); font-weight: 800; }
.scope-panel.scope-no li::before { content: "—"; }

.benefit-columns { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.benefit-columns article { min-height: 290px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.benefit-columns article:last-child { border-right: 0; }
.benefit-columns span { color: var(--purple); font: 750 10px/1.3 var(--mono); letter-spacing: .1em; }
.benefit-columns h3 { margin-top: 56px; }
.benefit-columns p { margin: 16px 0 0; color: var(--muted); }

.timeline { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.timeline li { padding: 30px 0; display: grid; grid-template-columns: 110px 70px minmax(210px,.7fr) minmax(260px,1fr) minmax(240px,.9fr); gap: 24px; border-bottom: 1px solid var(--line-dark); }
.timeline .week { color: var(--lavender); font: 750 13px/1.4 var(--mono); }
.timeline .step { color: rgba(255,255,255,.4); font: 650 30px/1 var(--serif); }
.timeline h3 { color: var(--white); font-size: 18px; }
.timeline p { margin: 0; color: rgba(255,255,255,.68); font-size: 14px; }
.timeline strong { display: block; margin-bottom: 6px; color: var(--lavender); font-size: 12px; }

.metric-list { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.metric-list article { min-height: 230px; padding: 28px; border-right: 1px solid var(--line); }
.metric-list article:last-child { border-right: 0; }
.metric-list span { color: var(--purple-soft); font: 650 42px/1 var(--serif); }
.metric-list h3 { margin-top: 38px; font-size: 18px; }
.metric-list p { margin: 12px 0 0; color: var(--muted); font-size: 13px; }

.risk-list { border-top: 1px solid var(--line); }
.risk-row { padding: 22px 0; display: grid; grid-template-columns: 48px minmax(190px,.7fr) minmax(260px,1.3fr); gap: 26px; border-bottom: 1px solid var(--line); }
.risk-row span { color: var(--purple-soft); font: 650 26px/1 var(--serif); }
.risk-row p { margin: 0; color: var(--muted); }

.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 22px 52px 22px 0; position: relative; list-style: none; font-weight: 760; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 8px; top: 17px; color: var(--purple); font: 400 28px/1 var(--serif); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 800px; margin: 0 0 24px; color: var(--muted); }

.product-relations { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); }
.product-relations article { min-height: 250px; padding: 28px 22px; border-right: 1px solid var(--line); }
.product-relations article:last-child { border-right: 0; }
.product-relations span { color: var(--purple); font: 750 10px/1 var(--mono); }
.product-relations h3 { margin-top: 48px; font-size: 18px; }
.product-relations p { margin: 12px 0 0; color: var(--muted); font-size: 13px; }

.role-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.role-card { padding: 28px; border: 1px solid var(--line-dark); background: rgba(255,255,255,.025); }
.role-card .role-ui { min-height: 165px; padding: 22px; display: flex; flex-direction: column; justify-content: space-between; color: var(--ink); background: var(--paper); }
.role-ui small { color: var(--purple); font: 750 10px/1 var(--mono); }
.role-ui strong { font: 650 24px/1.25 var(--serif); }
.role-ui ul { margin: 14px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 7px; list-style: none; }
.role-ui li { padding: 5px 7px; border: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.role-card h3 { margin-top: 22px; }
.role-card > p { margin: 11px 0 0; color: rgba(255,255,255,.68); }

.path-flow { display: grid; grid-template-columns: 1fr 70px 1fr 70px 1fr; align-items: stretch; }
.path-stage { min-height: 330px; padding: 34px; border: 1px solid var(--line); background: var(--paper); }
.path-stage span { color: var(--purple); font: 750 10px/1.3 var(--mono); }
.path-stage h3 { margin-top: 56px; }
.path-stage p { margin: 16px 0 0; color: var(--muted); }
.path-stage dl { margin: 26px 0 0; }
.path-stage dt { margin-top: 13px; color: var(--muted); font: 750 9px/1.3 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.path-stage dd { margin: 3px 0 0; font-size: 13px; }
.path-gate { display: grid; place-items: center; color: var(--white); background: var(--purple); writing-mode: vertical-rl; font: 750 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.feedback-loop { margin-top: 26px; padding: 19px 24px; display: flex; justify-content: space-between; gap: 24px; border: 1px dashed var(--purple); color: var(--purple); font-size: 13px; font-weight: 750; }

.responsibility-matrix { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.responsibility-matrix article { padding: 30px; border-right: 1px solid var(--line); }
.responsibility-matrix article:last-child { border-right: 0; }
.responsibility-matrix h3 { font-size: 21px; }
.responsibility-matrix ul { margin: 22px 0 0; padding-left: 18px; color: var(--muted); }

.case-feature { display: grid; grid-template-columns: minmax(320px,.85fr) minmax(0,1.15fr); gap: clamp(36px, 6vw, 90px); align-items: start; }
.case-feature-media { position: sticky; top: 112px; }
.case-feature-media img { width: 100%; display: block; border: 1px solid var(--line); box-shadow: var(--shadow); }
.case-feature-content .evidence-meta { margin: 0 0 26px; }
.case-feature-content h2 { font-size: clamp(36px, 5vw, 66px); }
.case-feature-content > p { color: var(--muted); font-size: 18px; }
.case-facts { margin: 32px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.case-facts li { padding: 17px 0; display: grid; grid-template-columns: 110px 1fr; gap: 22px; border-bottom: 1px solid var(--line); }
.case-facts span { color: var(--muted); font: 750 9px/1.4 var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.case-facts p { margin: 0; }

.deliverable-list { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.deliverable-list article { min-height: 230px; padding: 30px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.deliverable-list span { color: var(--purple-soft); font: 700 10px/1 var(--mono); }
.deliverable-list h3 { margin-top: 40px; }
.deliverable-list p { margin: 13px 0 0; color: rgba(255,255,255,.68); }

.principles-list { counter-reset: principle; border-top: 1px solid var(--line); }
.principles-list article { padding: 30px 0; display: grid; grid-template-columns: 70px minmax(220px,.75fr) minmax(280px,1.25fr); gap: 30px; border-bottom: 1px solid var(--line); counter-increment: principle; }
.principles-list article::before { content: "0" counter(principle); color: var(--purple-soft); font: 650 32px/1 var(--serif); }
.principles-list p { margin: 0; color: var(--muted); }

.contact-band { color: var(--white); background: var(--purple); }
.contact-band-inner { min-height: 360px; padding-block: clamp(58px, 8vw, 100px); display: grid; grid-template-columns: minmax(0,1.1fr) minmax(280px,.55fr); align-items: end; gap: 50px; }
.contact-band h2 { max-width: 860px; }
.contact-band h2 em { color: var(--lavender); font-style: normal; }
.contact-band p { max-width: 560px; margin: 22px 0 0; color: rgba(255,255,255,.74); }
.contact-band-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }

.contact-layout { display: grid; grid-template-columns: minmax(280px,.65fr) minmax(0,1.35fr); gap: clamp(42px, 7vw, 100px); }
.contact-context { position: sticky; top: 116px; align-self: start; }
.contact-context h2 { font-size: clamp(38px, 5vw, 66px); }
.contact-context p { color: var(--muted); }
.contact-direct { margin-top: 30px; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.contact-direct a { color: var(--purple); border-bottom: 1px solid var(--line); font-weight: 760; }
.contact-form { padding: clamp(28px, 4vw, 48px); color: var(--white); background: var(--ink); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field span { color: rgba(255,255,255,.7); font: 700 10px/1.4 var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.field input, .field select, .field textarea { width: 100%; padding: 13px 14px; color: var(--white); border: 1px solid rgba(255,255,255,.22); border-radius: 0; outline: none; background: rgba(255,255,255,.045); }
.field select option { color: var(--ink); background: var(--white); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--lavender); box-shadow: 0 0 0 2px rgba(223,207,226,.18); }
.conditional-fields { display: contents; }
.form-actions { margin-top: 22px; display: flex; align-items: center; gap: 16px; }
.form-note { margin: 15px 0 0; color: rgba(255,255,255,.5); font-size: 12px; }
.form-result { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line-dark); }
.form-result textarea { width: 100%; min-height: 250px; padding: 16px; color: var(--ink); background: var(--white); border: 0; resize: vertical; }
.form-result-actions { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 10px; }

.site-footer { color: var(--white); background: var(--ink); border-top: 1px solid rgba(255,255,255,.08); }
.footer-main { padding-block: 58px; display: grid; grid-template-columns: 1.1fr .55fr .55fr; gap: 46px; }
.footer-brand img { width: 150px; height: 76px; object-fit: contain; filter: brightness(0) invert(1); opacity: .9; }
.footer-brand p { max-width: 440px; margin: 18px 0 0; color: rgba(255,255,255,.62); }
.footer-column h3 { color: var(--purple-soft); font: 750 10px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.footer-column nav { margin-top: 18px; display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-column a { color: rgba(255,255,255,.72); font-size: 13px; }
.footer-column a:hover { color: var(--white); }
.footer-base { padding: 18px 0 26px; display: flex; justify-content: space-between; gap: 30px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.45); font-size: 11px; }
.footer-base p { max-width: 850px; margin: 0; }

.reveal { opacity: 1; transform: none; }
.reveal.is-visible { opacity: 1; transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }

@media (max-width: 1120px) {
  .site-header { grid-template-columns: auto auto 1fr; gap: 16px; }
  .menu-button { display: block; grid-column: 2; }
  .header-actions { justify-self: end; }
  .site-nav { position: absolute; top: 84px; right: 0; left: 0; padding: 18px var(--pad) 24px; display: none; flex-direction: column; align-items: flex-start; gap: 0; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 20px 30px rgba(49,5,56,.12); }
  .site-nav.is-open { display: flex; }
  .site-nav a { width: 100%; padding: 13px 0; border-bottom: 1px solid var(--line); }
  .site-nav a::after { display: none; }
  .business-map { grid-template-columns: repeat(2, 1fr); }
  .business-map article:nth-child(2) { border-right: 0; }
  .business-map article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .timeline li { grid-template-columns: 90px 50px minmax(180px,.7fr) minmax(240px,1fr); }
  .timeline li > p:last-child { grid-column: 3 / -1; }
  .metric-list { grid-template-columns: repeat(2, 1fr); }
  .metric-list article:nth-child(2) { border-right: 0; }
  .metric-list article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .product-relations { grid-template-columns: repeat(3, 1fr); }
  .product-relations article:nth-child(3) { border-right: 0; }
  .product-relations article:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .path-flow { grid-template-columns: 1fr 42px 1fr; }
  .path-flow .path-stage:last-child { grid-column: 1 / 2; margin-top: 22px; }
  .path-flow .path-gate:nth-of-type(4) { grid-column: 2 / 3; grid-row: 2; margin-top: 22px; }
}

@media (max-width: 820px) {
  .signal-bar { justify-content: center; text-align: center; }
  .signal-bar > p { display: none; }
  .layer-links { gap: 16px; }
  .site-header { min-height: 72px; }
  .brand img { width: 112px; height: 58px; }
  .site-nav { top: 72px; }
  .partner-button { display: none; }
  .page-hero { min-height: auto; }
  .page-hero-grid, .section-heading, .contact-band-inner, .contact-layout, .case-feature { grid-template-columns: 1fr; }
  .hero-aside { max-width: 560px; }
  .decision-strip-inner { grid-template-columns: auto 1fr; }
  .decision-strip small { grid-column: 2; }
  .problem-triangle, .evidence-grid, .benefit-columns, .responsibility-matrix { grid-template-columns: 1fr; }
  .problem-item, .evidence-card, .benefit-columns article, .responsibility-matrix article { border-right: 0; border-bottom: 1px solid var(--line); }
  .problem-item { min-height: 230px; }
  .problem-item h3 { margin-top: 32px; }
  .business-map, .solution-hero-grid, .scope-split, .capability-list, .role-grid, .deliverable-list { grid-template-columns: 1fr; }
  .business-map article { border-right: 0; border-bottom: 1px solid var(--line); }
  .route-row { grid-template-columns: 55px 1fr; }
  .route-row p, .route-row a { grid-column: 2; }
  .comparison-row, .principles-list article { grid-template-columns: 55px 1fr; }
  .comparison-row p:last-child, .principles-list article p { grid-column: 2; }
  .capability-item.capability-bottom { grid-column: auto; }
  .timeline li { grid-template-columns: 76px 42px 1fr; }
  .timeline li > p { grid-column: 3; }
  .metric-list, .product-relations { grid-template-columns: 1fr; }
  .metric-list article, .product-relations article { border-right: 0; border-bottom: 1px solid var(--line); }
  .risk-row { grid-template-columns: 40px 1fr; }
  .risk-row p { grid-column: 2; }
  .path-flow { grid-template-columns: 1fr; gap: 0; }
  .path-stage, .path-flow .path-stage:last-child { grid-column: 1; margin: 0; }
  .path-gate, .path-flow .path-gate:nth-of-type(4) { grid-column: 1; grid-row: auto; min-height: 42px; margin: 0; writing-mode: horizontal-tb; }
  .feedback-loop { flex-direction: column; }
  .case-feature-media, .contact-context { position: static; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  :root { --pad: 18px; }
  .signal-bar { overflow-x: auto; justify-content: flex-start; }
  .layer-links { min-width: max-content; }
  .header-actions { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .menu-button { grid-column: 2; }
  h1 { font-size: clamp(43px, 14vw, 64px); }
  h2 { font-size: clamp(34px, 10vw, 48px); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .chain-detail { grid-template-columns: 1fr; gap: 9px; }
  .business-map { grid-template-columns: 1fr; }
  .route-row { grid-template-columns: 44px 1fr; gap: 16px; }
  .timeline li { grid-template-columns: 66px 1fr; }
  .timeline .step { display: none; }
  .timeline li > h3, .timeline li > p { grid-column: 2; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .form-actions, .form-result-actions { flex-direction: column; align-items: stretch; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-base { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .signal-bar, .site-header, .site-footer, .contact-band, .hero-actions, .menu-button { display: none !important; }
  body { color: #000; background: #fff; }
  .section, .section-tight, .page-hero { padding-block: 30px; }
  .section-dark, .section-purple { color: #000; background: #fff; }
  .section-dark * { color: #000 !important; }
}