/* Shared navigation and the editorial, profile, and demo pages. */
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 5px;
}
.desktop-nav a[aria-current="page"] { color: var(--blue); }
.footer-brand > span:last-child { display: flex; flex-direction: column; gap: 3px; }
.footer-links { flex-wrap: wrap; }
.delivery-ledger > article { min-width: 0; }
.hero-lede > p:last-child { margin-bottom: 0; }
.reveal { opacity: 1; transform: none; }
.has-js .reveal { opacity: 0; transform: translateY(22px); }
.has-js .reveal.visible { opacity: 1; transform: none; }

.content-page { background: var(--bg); }
.content-page .site-header { background: rgba(var(--bg-rgb), .92); }
.content-page .site-footer { background: var(--bg); }
.page-shell, .reading-shell { max-width: 1260px; margin: 0 auto; padding: 144px 40px 96px; }
.reading-shell { max-width: 1180px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; color: var(--muted); font-size: 11px; line-height: 1.6; }
.breadcrumbs a:hover { color: var(--blue); }
.breadcrumbs > span[aria-hidden] { color: var(--line); }
.listing-header { max-width: 870px; padding: 64px 0 30px; }
.listing-header h1 { margin: 24px 0; font-size: clamp(64px, 8vw, 104px); line-height: 1; letter-spacing: -.065em; }
.article-deck { max-width: 760px; color: var(--muted); font-size: clamp(18px, 2vw, 24px); line-height: 1.55; letter-spacing: -.025em; }
.listing-intro { max-width: 740px; margin-bottom: 50px; }
.listing-intro p { font-family: inherit; font-size: 17px; }
.topic-list { display: flex; flex-wrap: wrap; gap: 8px; }
.topic-list > span { padding: 6px 10px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); font: 600 10px var(--font-sans); }
.essay-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.essay-card { min-width: 0; padding: 34px; display: flex; flex-direction: column; align-items: flex-start; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); transition: border-color .2s ease, transform .2s ease; }
.essay-card:hover { border-color: var(--blue); transform: translateY(-3px); }
.essay-card-top { width: 100%; margin-bottom: 46px; display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.essay-card h2 { margin-bottom: 16px; font: 400 clamp(32px, 3.1vw, 44px)/1.1 var(--font-serif); letter-spacing: -.035em; }
.essay-card p { max-width: 470px; margin-bottom: 24px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.essay-card .topic-list { margin-top: auto; }
.card-action { margin-top: 32px; display: flex; align-items: center; gap: 20px; color: var(--blue); font-size: 12px; font-weight: 700; }
.article-header { max-width: 850px; margin: 62px 0 58px; }
.article-header h1 { margin: 24px 0; font: 400 clamp(48px, 6.5vw, 86px)/1.06 var(--font-serif); letter-spacing: -.045em; }
.article-header .article-deck { max-width: 700px; margin-bottom: 28px; }
.article-byline { margin: 26px 0 22px; display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 12px; }
.article-byline a { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 650; }
.article-byline img { border-radius: 50%; object-fit: cover; object-position: 50% 20%; }
.reading-layout { display: grid; grid-template-columns: 220px minmax(0, 740px); gap: 64px; padding-top: 38px; border-top: 1px solid var(--line); }
.article-toc { position: sticky; top: 124px; align-self: start; max-height: calc(100vh - 150px); overflow-y: auto; font-size: 12px; line-height: 1.5; }
.article-toc summary { margin-bottom: 20px; color: var(--ink); font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; }
.article-toc ul { padding: 0; list-style: none; }
.article-toc li { margin: 12px 0; color: var(--muted); }
.article-toc li ul { padding-left: 12px; font-size: 11px; }
.article-toc a:hover { color: var(--blue); }
.prose { min-width: 0; color: var(--player); font: 400 20px/1.8 var(--font-serif); overflow-wrap: break-word; }
.prose p { margin-bottom: 24px; }
.prose h2 { margin: 62px 0 24px; color: var(--ink); font: 650 30px/1.25 var(--font-sans); letter-spacing: -.035em; }
.prose h3 { margin: 38px 0 18px; color: var(--ink); font: 650 22px/1.35 var(--font-sans); letter-spacing: -.025em; }
.prose > h2:first-child { margin-top: 0; }
.prose a { color: var(--blue); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.prose a:hover { color: var(--ink); }
.prose strong { color: var(--ink); font-weight: 700; }
.prose blockquote { margin: 30px 0; padding: 18px 24px; border-left: 3px solid var(--blue); color: var(--ink); background: var(--blueLight); font-size: 21px; line-height: 1.65; }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose hr { margin: 48px 0; border: 0; border-top: 1px solid var(--line); }
.prose ul, .prose ol { padding-left: 26px; margin: 22px 0 30px; }
.prose li { margin-bottom: 8px; padding-left: 4px; }
.prose img { max-width: 100%; height: auto; border-radius: 12px; }
.prose code { padding: 2px 5px; border-radius: 4px; background: var(--blueLight); font: .8em/1.7 var(--font-mono); }
.prose pre { max-width: 100%; padding: 22px; overflow-x: auto; border-radius: 12px; background: var(--player); color: var(--paper); }
.prose pre code { padding: 0; background: transparent; }
.table-scroll { max-width: 100%; margin: 30px 0; overflow-x: auto; }
.prose table { width: 100%; border-collapse: collapse; font: 14px/1.65 var(--font-sans); }
.prose th, .prose td { min-width: 120px; padding: 13px 16px; border: 1px solid var(--line); text-align: left; }
.prose th { color: var(--ink); background: var(--bg); font-weight: 700; }
.source-note { margin-top: 38px; color: var(--muted); font-size: 11px; }
.source-note a:hover { color: var(--blue); }
.article-next { margin-top: 60px; padding-top: 30px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 22px; border-top: 1px solid var(--line); font-size: 13px; font-weight: 650; }
.article-next a:hover { color: var(--blue); }

.about-hero { margin: 64px 0 72px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 72px; align-items: center; }
.about-hero h1 { margin: 28px 0 18px; font-size: clamp(64px, 7vw, 98px); line-height: 1; letter-spacing: -.065em; }
.about-role { margin-bottom: 18px; color: var(--ink); font-size: 18px; font-weight: 650; }
.about-hero .article-deck { font-size: 19px; }
.credential-list { display: flex; flex-wrap: wrap; gap: 10px; }
.credential-list span { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); font-size: 11px; font-weight: 650; }
.about-availability { max-width: 470px; margin: 24px 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.about-availability > span { width: 7px; height: 7px; margin-right: 7px; display: inline-block; border-radius: 50%; background: var(--teal); }
.about-actions { display: flex; flex-wrap: wrap; gap: 10px; font-size: 12px; }
.about-actions .button { min-height: 46px; padding: 12px 18px; }
.about-portrait { margin: 0; }
.about-portrait img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; object-position: 50% 20%; border-radius: 22px; }
.about-portrait figcaption { padding-top: 14px; color: var(--muted); font-size: 11px; letter-spacing: .02em; }
.about-layout { grid-template-columns: 230px minmax(0, 760px); gap: 72px; }
.about-layout .prose { font-family: inherit; font-size: 17px; line-height: 1.8; }

.demo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.demo-card { min-width: 0; overflow: hidden; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); transition: border-color .2s ease, transform .2s ease; }
.demo-card:hover { border-color: var(--blue); transform: translateY(-3px); }
.demo-visual { position: relative; aspect-ratio: 1.6; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.demo-film { flex-direction: column; gap: 12px; color: var(--paper); background: var(--player); }
.demo-play { width: 46px; height: 46px; padding-left: 3px; display: grid; place-items: center; border: 1px solid var(--muted); border-radius: 50%; color: var(--blue); font-size: 16px; }
.demo-film-line { font-size: 11px; font-weight: 650; letter-spacing: .12em; }
.demo-film-time { color: var(--on-dark-muted); font-size: 8px; letter-spacing: .1em; }
.demo-music { flex-direction: column; gap: 12px; color: var(--amber); background: var(--amberLight); }
.demo-music-note { font: 64px/1 var(--font-serif); }
.demo-music .demo-film-time { color: var(--muted); }
.demo-palette { background: var(--bg); }
.demo-swatches { display: flex; align-items: center; transform: rotate(-12deg); }
.demo-swatches i { width: 45px; height: 100px; margin-left: -10px; border: 3px solid var(--paper); border-radius: 9px; box-shadow: 0 6px 14px rgba(var(--player-rgb), .09); background: var(--blue); }
.demo-swatches i:nth-child(2) { background: var(--amber); transform: translateY(-10px); }
.demo-swatches i:nth-child(3) { background: var(--teal); transform: translateY(-18px); }
.demo-swatches i:nth-child(4) { background: var(--player); transform: translateY(-8px); }
.demo-swatches i:nth-child(5) { background: var(--player); }
.demo-personas { background: var(--tealLight); }
.demo-people { display: flex; align-items: flex-end; gap: 25px; padding-top: 32px; }
.demo-people i { position: relative; width: 40px; height: 80px; display: block; border-radius: 14px 14px 5px 5px; background: var(--blue); }
.demo-people i::before { content: ""; position: absolute; top: -31px; left: 9px; width: 23px; height: 25px; border-radius: 45%; background: #b5774c; }
.demo-people i::after { content: ""; position: absolute; bottom: -25px; left: 3px; width: 14px; height: 30px; border-radius: 0 0 4px 4px; background: var(--player); box-shadow: 20px 0 var(--player); }
.demo-people i:nth-child(2) { height: 86px; background: var(--amber); }
.demo-people i:nth-child(2)::before { background: #dbad85; }
.demo-people i:nth-child(3) { height: 75px; background: var(--teal); }
.demo-people i:nth-child(3)::before { background: #78513d; }
.demo-card-copy { flex: 1; padding: 27px; display: flex; flex-direction: column; align-items: flex-start; }
.demo-card-copy .section-index { font-size: 9px; line-height: 1.4; }
.demo-card h2 { margin: 22px 0 14px; font-size: 25px; line-height: 1.15; letter-spacing: -.04em; }
.demo-card p { margin-bottom: 28px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.demo-card .card-action { margin-top: auto; }
.home-editorial { background: var(--bg); }
.home-editorial .section-heading { margin-bottom: 44px; }
.home-editorial-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; }
.home-editorial-actions .button { padding: 13px 18px; }
.home-stories { background: var(--wash); }
.legacy-anchor { scroll-margin-top: 100px; }
.collection-heading { margin: 42px 0 24px; font-size: 23px; letter-spacing: -.035em; }
.collection-heading:not(:first-child) { margin-top: 70px; }
.collection-header { margin: 42px 0 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.collection-header .collection-heading { margin: 0; }
.preview-toggle { padding: 10px 14px; font-size: 11px; cursor: pointer; }
.preview-toggle:disabled { color: var(--muted); cursor: default; }
.concept-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.concept-card { min-width: 0; padding: 30px; display: flex; flex-direction: column; align-items: flex-start; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); transition: border-color .2s ease, transform .2s ease; }
.concept-card:hover { border-color: var(--blue); transform: translateY(-3px); }
.concept-card h2 { margin-bottom: 16px; font-size: 40px; letter-spacing: -.05em; }
.concept-card p { margin-bottom: 28px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.concept-card .topic-list { margin-top: auto; }
.concept-card .essay-card-top { margin-bottom: 34px; font-size: 9px; }
.concept-card-preview { padding: 0; overflow: hidden; }
.concept-preview-link { display: block; width: 100%; background: var(--bg); border-bottom: 1px solid var(--line); }
.concept-preview, .concept-preview img { display: block; width: 100%; aspect-ratio: 9 / 7; border: 0; pointer-events: none; }
.concept-card-copy { width: 100%; flex: 1; padding: 27px; display: flex; flex-direction: column; align-items: flex-start; }
.concept-card-copy .essay-card-top { font-size: 8px; margin-bottom: 24px; }
.concept-card-copy h2 { font-size: 36px; }
.concept-actions { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.concept-actions .card-action { font-size: 11px; }
.pitch-header { margin: 54px 0 64px; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 54px; }
.pitch-header h1 { margin: 28px 0; font-size: clamp(64px, 7vw, 100px); }
.pitch-header .section-index { font-size: 9px; line-height: 1.5; }
.pitch-header .article-deck { margin-bottom: 32px; font-size: 21px; }
.pitch-text-only { grid-template-columns: minmax(0, 1fr); max-width: 820px; }
.pitch-visual { min-width: 0; margin: 0; }
.pitch-visual figcaption { margin-top: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 10px; }
.story-animation { display: block; width: 100%; height: auto; }
.story-film-link { margin-top: 28px; font-size: 13px; }
.experience-shell { max-width: 1520px; margin: 0 auto; padding: 118px 28px 64px; }
.experience-title { margin: 24px 0 0; font-size: 25px; letter-spacing: -.04em; }
.experience-frame { display: block; width: 100%; height: 900px; margin-top: 16px; border: 0; background: var(--bg); }
.story-film { display: block; width: 100%; min-height: 540px; border: 1px solid var(--line); border-radius: 18px; background: var(--bg); }
.pitch-prose { font-family: inherit; font-size: 18px; }
.expertise-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.expertise-card { min-height: 480px; }
.expertise-diagram { margin: 30px 0 50px; }
.value-diagram .diagram-core rect { fill: var(--blueLight); stroke: var(--blue); }
.value-diagram .diagram-core text { fill: var(--blue); }
.rapid-diagram .diagram-core rect { fill: var(--tealLight); stroke: var(--teal); }
.rapid-diagram .diagram-core text { fill: var(--teal); }

@media (max-width: 1100px) {
  .nav-shell { gap: 20px; }
  .desktop-nav { gap: 20px; font-size: 12px; }
  .reading-layout, .about-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 36px; }
  .about-hero { gap: 40px; }
  .demo-grid { gap: 16px; }
  .demo-card-copy { padding: 22px; }
  .concept-card { padding: 24px; }
  .pitch-header { gap: 30px; }
}
@media (max-width: 900px) {
  .reading-layout, .about-layout { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .article-toc { position: static; max-height: none; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
  .article-toc details:not([open]) summary { margin-bottom: 0; }
  .article-toc > details > .toc > ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 30px; }
  .demo-grid { grid-template-columns: minmax(0, 1fr); }
  .demo-card { display: grid; grid-template-columns: .85fr 1.15fr; }
  .demo-visual { height: 100%; min-height: 220px; aspect-ratio: auto; }
  .demo-card .card-action { margin-top: 16px; }
  .about-hero { grid-template-columns: 1.25fr 1fr; gap: 30px; }
  .about-role { font-size: 16px; }
  .expertise-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .concept-grid { grid-template-columns: minmax(0, 1fr); }
  .pitch-header { grid-template-columns: minmax(0, 1fr); }
  .pitch-visual { max-width: 680px; }
}
@media (max-width: 650px) {
  .experience-shell { padding: 114px 0 40px; }
  .experience-shell > .breadcrumbs, .experience-title { margin-left: 22px; margin-right: 22px; }
  .page-shell, .reading-shell { padding: 114px 22px 64px; }
  .breadcrumbs { font-size: 10px; gap: 8px; }
  .listing-header { padding-top: 45px; }
  .listing-header h1 { font-size: 60px; }
  .essay-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .essay-card { padding: 26px; }
  .essay-card-top { margin-bottom: 30px; font-size: 9px; }
  .essay-card h2 { font-size: 36px; }
  .article-header { margin: 45px 0 36px; }
  .article-header h1 { font-size: 49px; }
  .article-deck { font-size: 19px; }
  .reading-layout { padding-top: 26px; }
  .article-toc > details > .toc > ul { grid-template-columns: minmax(0, 1fr); }
  .prose { font-size: 18px; line-height: 1.8; }
  .prose h2 { margin-top: 44px; font-size: 26px; }
  .prose h3 { font-size: 21px; }
  .prose blockquote { padding: 15px 19px; font-size: 19px; }
  .about-hero { margin: 45px 0; grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .about-hero h1 { font-size: 67px; }
  .about-portrait { max-width: 350px; }
  .demo-card { display: flex; }
  .demo-visual { min-height: 0; height: auto; aspect-ratio: 1.65; }
  .demo-card-copy { padding: 27px; }
  .expertise-grid { grid-template-columns: minmax(0, 1fr); }
  .expertise-card { min-height: 0; }
  .pitch-header { margin-top: 44px; }
  .pitch-header h1 { font-size: 70px; }
  .delivery-ledger { grid-template-columns: minmax(0, 1fr); }
  .ledger-lead { padding: 28px; }
  .ledger-lead h3 { font-size: clamp(30px, 9vw, 42px); }
}
@media (prefers-reduced-motion: reduce) {
  .has-js .reveal { opacity: 1; transform: none; }
  .essay-card:hover, .demo-card:hover, .concept-card:hover { transform: none; }
}
/* Navigation remains usable when a reader disables JavaScript. */
html:not(.has-js) .desktop-nav { display: flex; flex-wrap: wrap; }
html:not(.has-js) .menu-button { display: none; }
@media (max-width: 900px) {
  html:not(.has-js) .nav-shell { height: auto; min-height: 58px; flex-wrap: wrap; padding: 10px; gap: 12px; }
  html:not(.has-js) .desktop-nav { width: 100%; gap: 16px; }
}