@charset "UTF-8";
:root {
  --blue-950: #102b50;
  --blue-900: #173d70;
  --blue-700: #245fc3;
  --blue-500: #4f87dc;
  --blue-200: #c8daf6;
  --blue-100: #e6effd;
  --blue-50: #f4f8ff;
  --white: #fff;
  --gray-950: #1d2b3d;
  --gray-800: #344358;
  --gray-650: #5e6c7f;
  --gray-300: #cbd5e1;
  --gray-200: #e4e9f0;
  --gray-100: #f3f6fa;
  --header-height: 64px;
  --nav-height: 0px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + var(--nav-height) + 16px); }
body { margin: 0; color: var(--gray-950); background: var(--gray-100); font: 1rem/1.6 Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, p, ol, ul, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid var(--blue-500); outline-offset: 3px; }
strong, b { font-weight: 700; }
em { color: var(--blue-700); font-style: normal; }
svg { display: block; }
img { display: block; max-width: 100%; height: auto; }
::selection { color: white; background: var(--blue-700); }
.icon-defs { position: absolute; width: 0; height: 0; pointer-events: none; }
.icon { width: 28px; height: 28px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.eyebrow { color: var(--gray-650); font-size: .8125rem; font-weight: 700; letter-spacing: .07em; line-height: 1.5; }
.skip-link { position: fixed; z-index: 100; top: 10px; left: 14px; padding: 12px 16px; color: white; background: var(--blue-950); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.masthead { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 64px; padding: 14px 32px; color: white; background: var(--blue-950); }
.wordmark { font-size: 1.6rem; font-weight: 800; letter-spacing: -.045em; line-height: 1.2; }
.wordmark span { color: var(--blue-500); }
.masthead-meta { display: flex; flex-wrap: wrap; gap: 10px 20px; color: var(--blue-200); font-size: .8125rem; letter-spacing: .03em; text-align: right; }
.reading-progress { position: fixed; top: calc(var(--header-height) - 3px); z-index: 31; width: 100%; height: 3px; pointer-events: none; }
.reading-progress span { display: block; width: 100%; height: 100%; background: var(--blue-500); transform: scaleX(0); transform-origin: left; }
.page-shell { display: grid; grid-template-columns: 220px minmax(0, 1fr); max-width: 1540px; margin: auto; }
.reading-rail { position: sticky; top: var(--header-height); align-self: start; padding: 36px 24px; }
.reading-rail nav { margin-top: 24px; }
.reading-rail a { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 8px; padding: 12px 0; color: var(--gray-650); font-size: .875rem; line-height: 1.4; }
.reading-rail a span { font-weight: 700; }
.reading-rail a:hover, .reading-rail a[aria-current="location"] { color: var(--blue-700); }
.rail-group { margin-top: 16px; color: var(--gray-650); font-size: .8125rem; font-weight: 700; letter-spacing: .07em; }
.rail-note { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--gray-300); color: var(--blue-700); }
main { min-width: 0; background: white; }
.mobile-nav { display: none; }
.proposal-section { padding: 56px clamp(24px, 4vw, 60px); border-bottom: 1px solid var(--gray-200); }
.proposal-section:focus { outline: none; }
.proposal-section:nth-of-type(even) { background: var(--gray-100); }
.section-label { display: grid; grid-template-columns: 38px minmax(0, 1fr) auto; gap: 14px; align-items: start; padding-bottom: 22px; border-bottom: 1px solid var(--gray-300); }
.section-number { display: grid; place-items: center; width: 36px; height: 36px; color: var(--blue-700); border: 1px solid var(--blue-200); border-radius: 50%; font-size: .875rem; font-weight: 700; }
.section-label h2 { font-size: clamp(1.375rem, 2vw, 1.9rem); line-height: 1.25; overflow-wrap: anywhere; }
.section-kind { padding-top: 6px; color: var(--gray-650); font-size: .8125rem; font-weight: 700; }
.hero-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 32px; align-items: start; padding: 36px 0 28px; }
.hero-copy h1 { margin-top: 16px; color: var(--blue-950); font-size: clamp(2.4rem, 4vw, 4.2rem); letter-spacing: -.045em; line-height: 1.1; overflow-wrap: anywhere; }
.hero-copy .lead { margin-top: 24px; color: var(--gray-650); font-size: 1.0625rem; }
.forward-link { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; margin-top: 20px; color: var(--blue-700); border-bottom: 1px solid var(--blue-500); font-weight: 700; }
.section-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 24px; align-items: start; padding: 32px 0 26px; }
.section-intro h3 { color: var(--blue-950); font-size: clamp(1.8rem, 3vw, 2.8rem); letter-spacing: -.035em; line-height: 1.15; overflow-wrap: anywhere; }
.section-intro p { color: var(--gray-650); }
.hero-layout > *, .section-intro > *, .brand-layout > * { min-width: 0; }
.explorer, .capability-explorer, .platform-explorer { display: block; }
.offer-map, .store-map, .cycle-map, .capability-map, .replication-map, .brand-sequence, .platform-map { min-width: 0; padding: 24px; border: 1px solid var(--gray-300); background: white; }
.offer-map, .store-map, .replication-map, .platform-map { display: grid; gap: 16px; }
.node { min-width: 0; padding: 18px; color: var(--gray-800); background: white; border: 1px solid var(--gray-300); overflow-wrap: anywhere; transition: border-color .25s ease, background-color .25s ease, box-shadow .25s ease; }
.node strong { display: block; color: var(--blue-950); font-size: 1.0625rem; line-height: 1.35; }
.node span, .node small { display: block; margin-top: 6px; font-size: 1rem; line-height: 1.5; }
.node .icon { margin-bottom: 12px; color: var(--blue-700); }
.node-copy { margin-top: 8px; font-size: 1rem; line-height: 1.5; }
.node.is-current { background: var(--blue-50); border-color: var(--blue-500); box-shadow: inset 3px 0 0 var(--blue-700); }
.offer-base { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 0 12px; }
.offer-base .icon { grid-row: 1 / 3; margin-top: 5px; }
.offer-base strong { font-size: 1.4rem; }
.offer-join { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 12px; align-items: center; background: var(--gray-100); }
.offer-join > span { margin: 0; color: var(--blue-700); font-size: 1.5rem; text-align: center; }
.offer-alliance, .store-core, .capability-hub { padding: 20px; color: white; background: var(--blue-950); }
.offer-alliance { display: flex; gap: 14px; align-items: center; }
.offer-alliance span { margin: 0; }
.offer-alliance strong, .offer-alliance .icon { color: white; }
.offer-alliance.is-current { background: var(--blue-900); }
.guardrail { display: flex; align-items: flex-start; gap: 14px; margin-top: 20px; padding: 18px 0; color: var(--gray-650); border-block: 1px solid var(--gray-300); }
.guardrail strong { color: var(--gray-950); }
.line-mark { flex: 0 0 4px; min-height: 28px; background: var(--blue-700); }
.source-detail { margin-top: 24px; border-top: 1px solid var(--gray-300); }
.source-heading { margin: 20px 0 14px; color: var(--blue-700); font-size: 1.125rem; line-height: 1.4; }
.detail-body { color: var(--gray-650); }
.detail-body p + p, .detail-body p + ul, .detail-body p + div { margin-top: 16px; }
.section-takeaway { margin-top: 22px; color: var(--gray-650); }
.section-takeaway strong { color: var(--blue-700); }
.store-core { display: flex; gap: 16px; align-items: center; justify-content: center; }
.store-core strong, .store-core small { display: block; }
.store-core strong { font-size: 1.3rem; }
.store-core small { font-size: .875rem; color: var(--blue-200); }
.store-components { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.cycle-nodes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 20px; }
.cycle-nodes li { min-width: 0; position: relative; }
.cycle-nodes .node { height: 100%; }
.cycle-nodes .node small { margin: 0 0 10px; color: var(--blue-700); font-size: .875rem; font-weight: 700; }
.cycle-nodes i { display: none; }
.return-path { display: flex; align-items: center; gap: 12px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--gray-300); color: var(--gray-650); }
.return-path .icon { color: var(--blue-700); }
.capability-hub { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.capability-hub span { margin-left: auto; color: var(--blue-200); }
.capability-nodes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.capability-nodes .node:last-child { grid-column: 1 / -1; }
.improvement-lines, .contribution-pair, .model-layers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 18px; }
.improvement-lines > div, .contribution-pair > div, .model-layers > div { min-width: 0; padding: 20px; background: var(--gray-100); border: 1px solid var(--gray-200); }
.improvement-lines h4, .contribution-pair h4 { color: var(--blue-950); font-size: 1.0625rem; line-height: 1.4; }
.improvement-lines p, .contribution-pair p, .model-layers p { margin-top: 10px; }
.function-pair { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 16px; color: var(--blue-700); font-weight: 700; }
.model-origin, .model-destination { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
.model-origin .icon, .model-destination .icon { margin: 0; }
.model-destination > span { flex-basis: 100%; }
.replication-branches { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-inline: 24px; border-left: 2px solid var(--blue-200); padding-left: 16px; }
.model-layers { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.model-layers span { color: var(--blue-700); font-size: .875rem; font-weight: 700; }
.brand-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 20px; align-items: start; padding-top: 32px; }
.brand-statement { padding: 28px; color: white; background: var(--blue-950); }
.brand-statement h3 { margin-top: 20px; font-size: clamp(2rem, 3vw, 3rem); letter-spacing: -.03em; line-height: 1.12; }
.brand-statement h3 em { color: var(--blue-200); }
.brand-statement > p { margin-top: 22px; color: var(--blue-200); }
.brand-expressions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.brand-expressions span { padding: 7px 10px; border: 1px solid #5677a2; font-size: .875rem; }
.brand-sequence ol { display: grid; gap: 10px; margin-top: 18px; }
.brand-sequence .node { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 6px 12px; align-items: start; }
.brand-step { display: grid !important; place-items: center; width: 30px; height: 30px; margin: 0 !important; color: var(--blue-700); border: 1px solid var(--blue-200); border-radius: 50%; font-size: .8125rem !important; }
.brand-sequence .node strong { padding-top: 3px; }
.brand-sequence .node-copy { grid-column: 2; margin-top: 0; }
.brand-feedback { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; margin-top: 22px; padding: 18px; border: 1px solid var(--gray-300); color: var(--gray-650); text-align: center; }
.vision-section { color: white; background: var(--blue-950) !important; }
.vision-section .section-label, .vision-section .source-detail { border-color: #5677a2; }
.vision-section .section-number { color: var(--blue-200); }
.vision-section h2, .vision-section .section-intro h3 { color: white; }
.vision-section .section-kind, .vision-section .section-intro em, .vision-section .section-intro p, .vision-section .source-heading, .vision-section .detail-body { color: var(--blue-200); }
.platform-map { background: #193a67; border-color: #5677a2; }
.platform-map .eyebrow { color: var(--blue-200); }
.platform-map .node { color: white; background: var(--blue-950); border-color: #5677a2; }
.platform-map .node strong, .platform-map .node .icon { color: white; }
.platform-map .node.is-current { background: var(--blue-900); border-color: var(--blue-200); }
.platform-capabilities { display: flex; align-items: center; gap: 16px; }
.platform-capabilities .icon { margin: 0; }
.platform-core { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 12px; align-items: stretch; }
.core-link { align-self: center; font-size: 1.5rem; }
.platform-outcomes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.visual-reference { margin-top: 24px; border-top: 1px solid #5677a2; }
.visual-reference-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.visual-reference-grid figure { min-width: 0; padding: 8px; color: var(--blue-950); background: white; }
.visual-reference-grid figcaption { padding: 12px 6px 6px; font-size: .875rem; font-weight: 700; }
.visual-note { margin-top: 14px; color: var(--blue-200); font-size: .875rem; }
.vision-close { margin-top: 24px; padding-top: 20px; border-top: 1px solid #5677a2; color: var(--blue-200); }
.vision-close strong { color: white; }
.site-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 24px; color: var(--gray-650); font-size: .875rem; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; color: var(--blue-700); font-weight: 700; }
.criteria-list { display: grid; gap: 10px; margin-bottom: 16px; padding-left: 20px; list-style: disc; }
@media (max-width: 1100px) {
  .hero-layout, .section-intro { grid-template-columns: 1fr; }
  .hero-copy h1 { max-width: 720px; }
  .hero-copy .lead { max-width: 650px; }
  .brand-layout { grid-template-columns: 1fr; }
  .brand-statement h3 br { display: none; }
  .brand-statement h3 em::before { content: " "; }
  .platform-outcomes { grid-template-columns: 1fr; }
  .model-layers { grid-template-columns: 1fr; }
}
@media (max-width: 850px) {
  :root { --header-height: 56px; --nav-height: 86px; }
  .page-shell { display: block; }
  .reading-rail { display: none; }
  .masthead { min-height: 56px; padding: 10px 18px; gap: 12px; }
  .masthead-meta > span:first-child { display: none; }
  .masthead-meta { font-size: .75rem; }
  .mobile-nav { position: sticky; top: var(--header-height); z-index: 25; display: block; padding: 8px 16px 10px; background: white; border-bottom: 1px solid var(--gray-300); }
  .mobile-nav-label { display: block; color: var(--blue-950); font-size: .875rem; line-height: 1.4; font-weight: 700; }
  .mobile-nav-links { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 2px; margin-top: 6px; }
  .mobile-nav-links a { display: grid; min-width: 0; min-height: 44px; place-items: center; font-size: .875rem; font-weight: 700; color: var(--blue-700); background: var(--gray-100); border-radius: 4px; }
  .mobile-nav-links a[aria-current="location"] { color: white; background: var(--blue-700); }
  .proposal-section { padding: 36px 24px; }
  .section-kind { display: none; }
  .section-label { grid-template-columns: 36px minmax(0, 1fr); gap: 12px; }
  .hero-layout { padding-top: 24px; }
}
@media (max-width: 560px) {
  .proposal-section { padding: 28px 18px; }
  .section-label { padding-bottom: 18px; }
  .section-label h2 { font-size: 1.35rem; line-height: 1.3; }
  .section-intro h3 { font-size: 1.875rem; }
  .section-intro { padding-top: 24px; gap: 18px; }
  .hero-copy h1 { font-size: clamp(2.125rem, 9.6vw, 3rem); }
  .offer-map, .store-map, .cycle-map, .capability-map, .replication-map, .brand-sequence, .platform-map { padding: 14px; }
  .node { padding: 16px; }
  .store-components, .capability-nodes, .cycle-nodes, .improvement-lines, .contribution-pair, .model-layers, .visual-reference-grid { grid-template-columns: 1fr; }
  .capability-nodes .node:last-child { grid-column: auto; }
  .cycle-nodes { gap: 8px; }
  .cycle-nodes .node { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 4px 12px; align-items: start; }
  .cycle-nodes .node small { grid-row: 1 / 3; margin: 0; }
  .cycle-nodes .node span { grid-column: 2; margin: 0; }
  .capability-hub { gap: 10px; padding: 16px; }
  .capability-hub span { flex-basis: 100%; margin: 0; }
  .replication-branches { grid-template-columns: 1fr; margin-inline: 12px; padding-left: 12px; }
  .brand-statement { padding: 22px; }
  .brand-statement h3 { font-size: 2rem; }
  .platform-core { grid-template-columns: 1fr; }
  .core-link { justify-self: center; transform: rotate(90deg); }
  .brand-feedback { flex-direction: column; }
  .brand-feedback .icon { transform: rotate(90deg); }
}
@media (max-width: 350px) {
  .masthead { align-items: flex-start; }
  .wordmark { font-size: 1.4rem; }
  .masthead-meta { max-width: 95px; }
  .mobile-nav { padding-inline: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  .masthead { position: static; }
  .reading-rail, .mobile-nav, .reading-progress, .forward-link, .skip-link { display: none; }
  .page-shell { display: block; }
  .proposal-section { padding: 24px; }
  .node { break-inside: avoid; }
}