:root { --canvas: #f7f6f2; --ink: #202420; --muted: #626761; --line: #d3d6cd; --dark: #222a25; --collection: #e5e0d7; --duration-fast: 120ms; --ease-out: cubic-bezier(.2,0,0,1); --gap: 32px; --measure: 68ch; color-scheme: light; }
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.55; }
h1,h2,h3,h4,p,figure,dl,dd { margin: 0; }
h1,h2,h3,h4 { font-weight: 400; text-wrap: balance; }
p,dd { text-wrap: pretty; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; touch-action: manipulation; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--ink); outline-offset: 6px; }
img { display: block; width: 100%; height: auto; background: #f2f2f2; }
.scene-video { display: block; width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; background: var(--dark); }
.scene-video:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.wrap { width: calc(100% - 80px); max-width: 1500px; margin-inline: auto; }
.skip-link { position: absolute; top: 12px; left: 12px; z-index: 10; padding: 12px 16px; background: white; transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 28px; }
.brand { font-size: 20px; line-height: 1.2; letter-spacing: -.02em; font-weight: 600; text-decoration: none; }
.site-header > span { color: var(--muted); font-size: 14px; }
.collection-heading { padding-top: 36px; padding-bottom: 36px; }
h1 { font-size: clamp(28px,3vw,40px); line-height: 1.15; letter-spacing: -.025em; }
.collection-heading p { margin-top: 12px; color: var(--muted); }
.concept-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: var(--gap); row-gap: 56px; }
.concept { min-width: 0; scroll-margin-top: 32px; }
.concept-link { display: block; text-decoration: none; }
.concept-link img { aspect-ratio: 3 / 2; object-fit: contain; }
.concept-title { display: flex; align-items: baseline; gap: 16px; margin-top: 16px; }
.concept-number { font-size: 13px; color: var(--muted); letter-spacing: .015em; font-variant-numeric: tabular-nums; }
.concept h4 { font-size: 23px; line-height: 1.3; letter-spacing: -.015em; }
.concept-link:hover h4 { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.concept-link:hover { text-decoration: none; }
.concept p { margin-top: 10px; max-width: var(--measure); color: var(--muted); }
.concept .outcome { margin-top: 8px; color: var(--ink); }
.site-footer { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-top: 80px; padding-block: 24px 32px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); letter-spacing: .015em; }
.site-footer nav { display: flex; gap: 24px; flex-shrink: 0; }
.detail { max-width: 1160px; }
.back-link { display: inline-block; margin-top: 24px; font-size: 14px; }
.detail-heading { padding-block: 32px; max-width: 900px; }
.detail-number { color: var(--muted); font-size: 13px; letter-spacing: .015em; font-variant-numeric: tabular-nums; margin-bottom: 12px; }
.detail-heading p:last-child { margin-top: 16px; font-size: 19px; line-height: 1.5; color: var(--muted); max-width: var(--measure); }
.detail-image img { aspect-ratio: 3 / 2; object-fit: contain; }
.detail-image figcaption { margin-top: 12px; font-size: 13px; color: var(--muted); letter-spacing: .015em; }
.concept-content { margin-top: 48px; }
.content-row { display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 40px; padding-block: 24px; border-top: 1px solid var(--line); }
.content-row h2 { font-size: 16px; line-height: 1.5; }
.content-row > p { max-width: var(--measure); }
.content-row .purpose { font-size: 23px; line-height: 1.4; letter-spacing: -.015em; }
.sequence { margin: 0; padding: 0; list-style: none; counter-reset: moments; }
.sequence li { counter-increment: moments; margin-bottom: 24px; }
.sequence li:last-child { margin-bottom: 0; }
.sequence h3 { font-size: 19px; line-height: 1.35; }
.sequence h3::before { content: counter(moments,decimal-leading-zero) " / "; color: var(--muted); font-size: 13px; letter-spacing: .015em; }
.sequence p { margin-top: 8px; max-width: var(--measure); color: var(--muted); }
.detail-navigation { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding-block: 32px; border-top: 1px solid var(--line); margin-top: 48px; }
.detail-navigation a { text-decoration: none; }
.detail-navigation a:last-child { text-align: right; }
.detail-navigation span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; letter-spacing: .015em; }
.detail-navigation a:hover { text-decoration: underline; }
.document-page { padding-block: 64px; }
.document-page h1 { margin-block: 40px 24px; }
.document-page p { max-width: var(--measure); margin-bottom: 24px; }
@media (min-width:1700px) { .concept-grid { grid-template-columns: repeat(3,minmax(0,1fr)); } }
@media (max-width:700px) {
  .wrap { width: calc(100% - 32px); }
  body:not(.landing-page) .site-header { display: grid; grid-template-columns: 1fr auto; }
  body:not(.landing-page) .site-header > span { grid-column: 1 / -1; grid-row: 2; max-width: none; text-align: left; }
  body:not(.landing-page) .site-header .motion-toggle { grid-column: 2; grid-row: 1; }
  .site-header { align-items: flex-start; padding-block: 24px; gap: 16px; }
  .site-header > span { max-width: 130px; text-align: right; font-size: 13px; }
  .collection-heading { padding-top: 24px; padding-bottom: 28px; }
  .concept-grid { grid-template-columns: 1fr; row-gap: 40px; }
  .concept h4 { font-size: 23px; }
  .concept-title { gap: 12px; }
  .site-footer { align-items: flex-start; flex-direction: column; margin-top: 56px; gap: 16px; }
  .content-row { grid-template-columns: 1fr; gap: 12px; }
  .content-row h2 { font-weight: 600; }
  .concept-content { margin-top: 32px; }
  .detail-heading { padding-block: 24px; }
  .detail-navigation { gap: 24px; }
}

/* The original page supplies the media scale, surface roles and narrative rhythm. */
.section { padding-block: 104px; }
.eyebrow { font-size: 12px; line-height: 1.4; letter-spacing: .095em; text-transform: uppercase; font-weight: 600; }
.landing-page .site-header { min-height: 100px; border-bottom: 1px solid var(--line); padding-block: 20px; gap: 32px; }
.landing-page .site-header .brand { font-size: 23px; }
.site-header nav { display: flex; align-items: center; gap: 28px; margin-left: auto; font-size: 14px; }
.site-header nav a { text-decoration: none; padding-block: 12px; }
.site-header nav a:hover { text-decoration: underline; }
.motion-toggle { font: inherit; font-size: 12px; line-height: 1.4; letter-spacing: .015em; padding: 10px 12px; color: var(--muted); border: 1px solid var(--line); background: transparent; cursor: pointer; touch-action: manipulation; }
.motion-toggle:hover { border-color: var(--ink); color: var(--ink); }
.motion-toggle:focus-visible { outline: 2px solid var(--ink); outline-offset: 5px; }
[hidden] { display: none !important; }
.hero { padding-top: 64px; }
.hero-opening { display: grid; grid-template-columns: 2.05fr 1fr; gap: 48px; align-items: end; margin-bottom: 48px; }
.hero h1 { font-size: clamp(52px,6.1vw,109px); line-height: 1.02; letter-spacing: -.055em; font-weight: 500; margin-top: 24px; text-wrap: initial; }
.hero-introduction { max-width: 39ch; padding-bottom: 4px; }
.hero-introduction > p:first-child { font-size: 23px; line-height: 1.45; }
.hero-introduction > p + p { margin-top: 18px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 28px; padding-block: 12px; border-bottom: 1px solid currentColor; text-decoration: none; font-size: 14px; }
.hero-introduction .text-link { margin-top: 20px; }
.hero-image { overflow: hidden; aspect-ratio: 3 / 2; }
.hero-image img { transform-origin: center; }
[data-motion="active"] .hero-image img { transform: translateY(var(--hero-shift,0px)) scale(var(--hero-scale,1.018)); }
.hero-scene figcaption { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding-block: 16px; border-bottom: 1px solid var(--line); font-size: 13px; letter-spacing: .015em; }
.hero-scene figcaption a { text-decoration: none; }
.hero-foot { display: flex; justify-content: space-between; gap: 24px; padding-block: 20px; color: var(--muted); font-size: 13px; }
.connection-section { margin-top: 104px; padding-block: 104px; background: var(--dark); color: #fffefa; }
.connection > .eyebrow { color: #c1c7bf; margin-bottom: 36px; }
.connection h2 { font-size: clamp(36px,5.2vw,86px); line-height: 1.1; letter-spacing: -.04em; font-weight: 500; }
.connection h2 > span { display: block; }
.connection-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 48px; max-width: 1000px; color: #dce1d8; }
.connection-copy p { max-width: 50ch; font-size: 18px; line-height: 1.6; }
.section-intro { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; align-items: end; margin-bottom: 64px; }
.section-intro h2 { font-size: clamp(38px,4vw,68px); font-weight: 500; line-height: 1.08; letter-spacing: -.04em; margin-top: 20px; }
.section-intro > p { color: var(--muted); font-size: 19px; line-height: 1.6; max-width: 48ch; }
.purpose-stories { display: grid; gap: 72px; }
.story-step { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: center; scroll-margin-top: 32px; }
.story-copy { grid-column: 2; grid-row: 1; min-width: 0; }
.story-heading > .eyebrow { color: var(--muted); }
.story-step h3 { font-size: clamp(32px,3.25vw,54px); line-height: 1.1; letter-spacing: -.035em; font-weight: 500; margin-top: 20px; }
.story-image { grid-column: 1; grid-row: 1; min-width: 0; }
.story-image-link { display: block; overflow: hidden; }
.story-image img { aspect-ratio: 3 / 2; object-fit: contain; transform-origin: center; transition: transform var(--duration-fast) var(--ease-out); }
.story-image figcaption { display: flex; justify-content: space-between; gap: 24px; font-size: 12px; color: var(--muted); letter-spacing: .015em; margin-top: 12px; }
.story-image figcaption > span:last-child { white-space: nowrap; }
.story-step:nth-child(even) { grid-template-columns: 1fr 1.4fr; }
.story-step:nth-child(even) .story-copy { grid-column: 1; }
.story-step:nth-child(even) .story-image { grid-column: 2; }
.story-step + .story-step { border-top: 1px solid var(--line); padding-top: 72px; }
.story-description { font-size: 19px; line-height: 1.6; margin-top: 28px; }
.story-approach { color: var(--muted); margin-top: 20px; }
.story-moment { border-top: 1px solid var(--line); padding-top: 24px; margin-top: 28px; }
.story-moment > p + p { margin-top: 12px; font-size: 16px; color: var(--muted); }
.story-step .text-link { margin-top: 20px; }
.landing-page .concept-grid { grid-template-columns: repeat(2,minmax(0,1fr)); row-gap: 72px; }
.landing-page .concept h4 { font-size: clamp(24px,2vw,32px); line-height: 1.15; font-weight: 500; letter-spacing: -.025em; }
.landing-page .concept-title { margin-top: 24px; }
.landing-page .concept p { margin-top: 16px; max-width: 58ch; }
.landing-page .concept .outcome { font-size: 14px; margin-top: 12px; }
.concept-link img { transform-origin: center; transition: transform var(--duration-fast) var(--ease-out); }
@media (hover:hover) { [data-motion="active"] .concept-link:hover img,[data-motion="active"] .story-image-link:hover img { transform: scale(1.012); } }
.concept-note { font-size: 13px; color: var(--muted); letter-spacing: .015em; margin-top: 40px; }
.approach { border-top: 1px solid var(--line); }
.approach-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3,1fr); gap: 48px; }
.approach-list li { border-top: 1px solid var(--line); padding-top: 24px; }
.approach-list li > span { font-size: 13px; font-variant-numeric: tabular-nums; color: var(--muted); }
.approach-list h3 { font-size: 25px; line-height: 1.2; letter-spacing: -.025em; margin-top: 24px; }
.approach-list p { color: var(--muted); margin-top: 16px; }
.landing-page .site-footer { margin-top: 0; padding-block: 32px 48px; }
.site-footer .brand { color: var(--ink); }
.site-footer .brand + p { margin-top: 16px; }
[data-motion="paused"] .hero-image img,[data-motion="paused"] .concept-link img,[data-motion="paused"] .story-image img { transform: none; }
[data-motion="paused"] *,[data-motion="paused"] *::before,[data-motion="paused"] *::after { transition-duration: 0ms !important; animation: none !important; }
@media (max-width:1100px) {
  .site-header nav { gap: 20px; }
  .story-step,.story-step:nth-child(even) { gap: 40px; }
  .hero-opening { grid-template-columns: 1.7fr 1fr; gap: 32px; }
  .hero-introduction > p:first-child { font-size: 20px; }
}
@media (max-width:899px) {
  .hero-opening,.section-intro { grid-template-columns: 1fr; gap: 32px; }
  .hero-introduction { max-width: 55ch; }
  .hero h1 { font-size: clamp(52px,9vw,78px); }
  [data-motion="active"] .hero-image img { transform: none; }
  .purpose-stories { gap: 48px; }
  .story-step,.story-step:nth-child(even) { grid-template-columns: 1fr; gap: 32px; }
  .story-copy { display: contents; }
  .story-heading { grid-column: 1; grid-row: 1; }
  .story-details { grid-column: 1; grid-row: 3; }
  .story-details .story-description { margin-top: 0; }
  .story-image,.story-step:nth-child(even) .story-image { grid-column: 1; grid-row: 2; }
  .story-step + .story-step { padding-top: 48px; }
  .connection-copy { gap: 32px; }
  .site-header nav { gap: 16px; }
}
@media (max-width:700px) {
  .section { padding-block: 64px; }
  .landing-page .site-header { display: grid; grid-template-columns: 1fr auto; gap: 20px; min-height: 0; padding-block: 24px; }
  .site-header nav { grid-column: 1 / -1; grid-row: 2; margin-left: 0; justify-content: space-between; gap: 12px; font-size: 12px; }
  .site-header nav a { display: inline-flex; align-items: center; min-height: 44px; padding-block: 8px; }
  .motion-toggle { font-size: 11px; padding: 8px; min-height: 44px; }
  .hero { padding-top: 40px; }
  .hero-opening { margin-bottom: 32px; }
  .hero h1 { font-size: clamp(43px,11vw,62px); margin-top: 20px; }
  .hero-introduction > p:first-child { font-size: 21px; }
  .hero-scene figcaption { flex-direction: column; gap: 8px; font-size: 12px; }
  .hero-foot { flex-direction: column; gap: 8px; }
  .connection-section { margin-top: 64px; padding-block: 64px; }
  .connection h2 { font-size: clamp(31px,8.9vw,50px); }
  .connection-copy { grid-template-columns: 1fr; gap: 24px; margin-top: 32px; }
  .connection-copy p { font-size: 16px; }
  .section-intro { margin-bottom: 40px; }
  .section-intro h2 { font-size: 43px; }
  .section-intro > p { font-size: 18px; }
  .story-step h3 { font-size: 36px; }
  .story-description { font-size: 18px; }
  .landing-page .concept-grid { grid-template-columns: 1fr; row-gap: 48px; }
  .landing-page .concept h4 { font-size: 27px; }
  .approach-list { grid-template-columns: 1fr; gap: 32px; }
  .approach-list h3 { margin-top: 16px; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { transition: none !important; animation: none !important; }
  .hero-image img,.concept-link img,.story-image img { transform: none !important; }
}

.experience-section { background: var(--collection); --line: #bcb6ab; }
.collection-introduction { padding-top: 104px; }
.theme-navigation { display: grid; grid-template-columns: 1fr 1fr; column-gap: 48px; border-top: 1px solid var(--line); margin-bottom: 64px; }
.theme-navigation a { display: grid; grid-template-columns: 1fr 20px; align-items: center; gap: 16px; min-height: 56px; padding-block: 12px; border-bottom: 1px solid var(--line); text-decoration: none; font-size: 16px; }
.theme-navigation a:hover { text-decoration: underline; }
.theme-heading { display: grid; grid-template-columns: 104px minmax(0,1.45fr) minmax(0,1fr); align-items: start; gap: 48px; padding-bottom: 48px; margin-bottom: 56px; border-bottom: 1px solid var(--line); }
.theme-heading .eyebrow { color: var(--muted); }
.theme-marker > span[aria-hidden] { display: block; font-size: 88px; font-weight: 400; line-height: 1; letter-spacing: -.06em; margin-top: 14px; font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.theme-heading h3 { font-size: clamp(32px,3.15vw,52px); line-height: 1.1; letter-spacing: -.035em; font-weight: 500; max-width: 24ch; }
.theme-description { color: var(--muted); font-size: 19px; line-height: 1.6; max-width: 56ch; margin-top: 20px; }
.theme-mechanism { display: grid; gap: 24px; padding-top: 8px; }
.theme-mechanism dt { font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.theme-mechanism dd { color: var(--muted); font-size: 16px; max-width: 40ch; }
.theme-group { padding-block: 80px 64px; scroll-margin-top: 0; border-top: 2px solid var(--ink); }
.theme-light { background: var(--canvas); --line: #d3d6cd; }
.theme-end { display: flex; justify-content: space-between; gap: 24px; padding-top: 32px; margin-top: 48px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.theme-end a { display: inline-flex; align-items: center; gap: 8px; }
.experience-section > .wrap:last-child { padding-bottom: 64px; }
.concept-picture { overflow: hidden; }
.concept-featured { grid-column: 1 / -1; }
.concept-featured .concept-link { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: center; }
.concept-featured .concept-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: center; }
.concept-featured .concept-layout > .concept-link { display: block; }
.landing-page .concept-featured .concept-title { margin-top: 0; }
.landing-page .concept-featured h4 { font-size: clamp(28px,2.6vw,42px); }
.landing-page .concept-featured .concept-info > p { font-size: 18px; }
.landing-page .concept-featured .concept-info > .outcome { font-size: 16px; }
.glyph { display: inline-block; width: 20px; height: 20px; vertical-align: middle; flex-shrink: 0; }
.glyph-up { transform: rotate(180deg); }
.site-header nav a,.hero-scene figcaption a,.site-footer nav a { display: inline-flex; align-items: center; gap: 8px; }
.site-header nav .glyph,.hero-scene figcaption .glyph,.site-footer nav .glyph { width: 16px; height: 16px; }
.theme-navigation .glyph { width: 20px; height: 20px; }
.project-invitation { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; border-top: 1px solid var(--line); margin-top: 64px; padding-top: 56px; }
.project-invitation h3 { font-size: clamp(38px,4vw,68px); line-height: 1.08; font-weight: 500; letter-spacing: -.04em; }
.brief-introduction > p:last-child { font-size: 19px; line-height: 1.6; max-width: 48ch; color: var(--muted); }
.cta-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 56px; padding: 16px 24px; margin-top: 28px; background: var(--ink); color: var(--canvas); font-size: 16px; text-decoration: none; }
.cta-link:hover { background: #353b34; text-decoration: none; }
.cta-note { font-size: 13px; color: var(--muted); margin-top: 12px; }
@media (max-width:899px) {
  .theme-heading { grid-template-columns: 80px minmax(0,1fr); gap: 32px; }
  .theme-marker > span[aria-hidden] { font-size: 68px; }
  .theme-mechanism { grid-column: 2; grid-template-columns: 1fr 1fr; gap: 32px; padding-top: 0; }
  .concept-featured .concept-link { grid-template-columns: 1fr; gap: 0; }
  .concept-featured .concept-layout { grid-template-columns: 1fr; gap: 0; }
  .landing-page .concept-featured .concept-title { margin-top: 24px; }
  .landing-page .concept-featured h4 { font-size: 32px; }
  .landing-page .concept-featured .concept-info > p { font-size: 16px; }
  .landing-page .concept-featured .concept-info > .outcome { font-size: 14px; }
  .project-invitation { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width:700px) {
  .collection-introduction { padding-top: 64px; }
  .theme-navigation { grid-template-columns: 1fr; margin-bottom: 40px; }
  .theme-navigation a { font-size: 15px; gap: 12px; }
  .theme-heading { display: block; margin-bottom: 32px; padding-bottom: 32px; }
  .theme-marker { display: flex; align-items: baseline; gap: 12px; margin-bottom: 24px; }
  .theme-marker > span[aria-hidden] { font-size: 44px; margin-top: 0; }
  .theme-heading h3 { font-size: 36px; }
  .theme-description { font-size: 17px; }
  .theme-mechanism { grid-template-columns: 1fr; gap: 20px; margin-top: 28px; }
  .theme-mechanism dd { font-size: 15px; }
  .theme-group { padding-block: 48px; }
  .theme-end { margin-top: 32px; padding-top: 24px; }
  .landing-page .concept-featured h4 { font-size: 27px; }
  .project-invitation { margin-top: 48px; padding-top: 40px; }
  .project-invitation h3 { font-size: 43px; }
  .brief-introduction > p:last-child { font-size: 18px; }
  .cta-link { width: 100%; }
}

.brief-introduction h3 { margin-top: 20px; }
.brief-introduction > p:last-child { margin-top: 24px; }
.brief-builder { min-width: 0; }
.brief-help { color: var(--muted); font-size: 14px; line-height: 1.6; margin-bottom: 24px; }
.brief-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.brief-field { min-width: 0; }
.brief-field-wide { grid-column: 1 / -1; }
.brief-field label { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; font-size: 14px; line-height: 1.4; margin-bottom: 10px; }
.brief-field label span { color: var(--muted); font-size: 11px; flex-shrink: 0; }
.brief-field input,.brief-field select,.brief-field textarea { display: block; width: 100%; padding: 12px 14px; min-height: 48px; border: 1px solid #aaaFA5; border-radius: 0; color: var(--ink); background: #fffefa; font: inherit; font-size: 16px; }
.brief-field textarea { resize: vertical; }
.brief-field input:focus,.brief-field select:focus,.brief-field textarea:focus { outline: 2px solid var(--ink); outline-offset: 3px; }
.brief-field :user-invalid { border-color: #8a342a; }
.field-help { color: var(--muted); font-size: 12px; line-height: 1.5; margin-top: 8px; }
.brief-actions .cta-link { border: 0; font: inherit; cursor: pointer; }
.brief-actions .cta-link { transition: transform var(--duration-fast) var(--ease-out); }
[data-motion="active"] .brief-actions .cta-link[data-pointer-pressed] { transform: scale(.98); }
.brief-actions .cta-link:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.brief-review { border-top: 1px solid var(--line); margin-top: 40px; padding-top: 32px; }
.brief-review h4 { font-size: 28px; line-height: 1.2; letter-spacing: -.025em; margin-bottom: 16px; }
.brief-review dl { display: grid; grid-template-columns: 170px minmax(0,1fr); gap: 16px 24px; }
.brief-review dt { font-size: 14px; font-weight: 600; }
.brief-review dd { white-space: pre-wrap; overflow-wrap: anywhere; }
#brief-status { margin-top: 24px; color: var(--muted); font-size: 13px; }
.control-demo { margin-top: 64px; padding-top: 40px; border-top: 1px solid #738071; max-width: 1000px; }
.demo-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: end; }
.demo-heading h3 { margin-top: 12px; font-size: clamp(26px,3vw,40px); line-height: 1.15; letter-spacing: -.025em; }
.demo-heading > p { max-width: 35ch; color: #dce1d8; }
.demo-illustration { margin-top: 32px; }
.demo-illustration svg { display: block; width: 100%; height: auto; }
.demo-rotor { transform-box: fill-box; transform-origin: center; transform: rotate(12deg); }
.demo-response { opacity: 1; }
.control-demo[data-demo-state="ready"] .demo-rotor { transform: rotate(0deg); }
.control-demo[data-demo-state="ready"] .demo-response { opacity: 0; }
.demo-caption { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 16px; }
.demo-caption .eyebrow { color: #c1c7bf; }
.demo-caption p + p { margin-top: 8px; }
.demo-actions { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 32px; }
.demo-actions > span { font-size: 12px; color: #c1c7bf; }
.demo-replay { display: inline-flex; align-items: center; gap: 24px; min-height: 48px; padding: 12px 0; color: inherit; border: 0; border-bottom: 1px solid #94a18b; background: transparent; font: inherit; font-size: 14px; cursor: pointer; touch-action: manipulation; }
.demo-replay:focus-visible { outline: 2px solid #fffefa; outline-offset: 6px; }
@media (max-width:700px) {
  .control-demo { margin-top: 40px; padding-top: 32px; }
  .demo-heading { grid-template-columns: 1fr; gap: 16px; }
  .demo-caption { gap: 16px; font-size: 14px; }
  .demo-actions { align-items: start; flex-direction: column; gap: 16px; }
}
.brief-review .text-link { border: 0; border-bottom: 1px solid currentColor; color: var(--ink); background: transparent; font-family: inherit; margin-top: 16px; cursor: pointer; }
@media (max-width:700px) {
  .brief-fields { grid-template-columns: 1fr; }
  .brief-review dl { grid-template-columns: 1fr; gap: 8px; }
  .brief-review dd { margin-bottom: 16px; }
}

/* Five page chapters distinguish offer, mechanism, need, examples and approach. */
.section-label { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; border-top: 1px solid currentColor; padding-top: 18px; margin-bottom: 48px; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.section-label a { display: inline-flex; gap: 12px; align-items: center; text-transform: none; font-size: 14px; letter-spacing: 0; font-weight: 400; }
.hero .section-label { color: var(--muted); }
.hero h1 { margin-top: 0; font-size: clamp(52px,6vw,104px); }
.hero-opening { grid-template-columns: 1.8fr 1fr; }
.hero-foot a { display: inline-flex; gap: 12px; align-items: center; text-decoration: none; }
.integration-opening { display: grid; grid-template-columns: 1.5fr 1fr; gap: 80px; align-items: end; }
.integration-opening > p { color: #dce1d8; font-size: 21px; max-width: 46ch; }
.integration-layers { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 48px; margin-top: 72px; }
.integration-layers article { border-top: 1px solid #657168; padding-top: 24px; }
.integration-layers .eyebrow,.story-thread .eyebrow { color: #c1c7bf; }
.integration-layers h3 { font-size: 32px; line-height: 1.15; margin-top: 20px; letter-spacing: -.025em; }
.integration-layers article > p:last-child { color: #dce1d8; font-size: 17px; margin-top: 20px; max-width: 40ch; }
.story-thread { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; border-top: 1px solid #657168; margin-top: 72px; padding-top: 48px; }
.story-thread h3 { font-size: 42px; line-height: 1.15; letter-spacing: -.03em; margin-top: 20px; }
.story-thread > div > p:last-child { color: #dce1d8; font-size: 18px; max-width: 42ch; margin-top: 24px; }
.story-thread ol { list-style: none; margin: 0; padding: 0; }
.story-thread li { display: grid; grid-template-columns: 40px 1fr; gap: 24px; padding-bottom: 24px; }
.story-thread li > span { font-size: 13px; color: #c1c7bf; padding-top: 4px; }
.story-thread h4 { font-size: 21px; }
.story-thread li p { color: #dce1d8; margin-top: 4px; }
.connection > .text-link { margin-top: 24px; }
.need-section { background: var(--canvas); }
.need-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; align-items: baseline; padding-top: 48px; margin-bottom: 32px; }
.need-heading h3 { font-size: clamp(28px,3.15vw,48px); line-height: 1.14; letter-spacing: -.03em; max-width: 31ch; }
.need-study { border-top: 1px solid var(--line); }
.need-study + .need-study { margin-top: 72px; }
.need-layout { display: grid; grid-template-columns: 1.35fr 1fr; gap: 64px; }
.need-layout figure img { aspect-ratio: 3 / 2; object-fit: cover; }
.need-layout figcaption { font-size: 12px; color: var(--muted); margin-top: 12px; }
.need-layout figcaption span { white-space: nowrap; }
.need-copy > p { font-size: 18px; }
.need-gap { padding-top: 24px; }
.need-gap > p:last-child { color: var(--muted); margin-top: 8px; }
.research-finding { display: grid; grid-template-columns: 170px minmax(0,1fr); column-gap: 24px; border-top: 1px solid var(--line); padding-top: 24px; margin-top: 28px; }
.research-stat { font-size: clamp(46px,4.5vw,64px); line-height: 1; letter-spacing: -.04em; grid-row: 1 / 4; }
.research-finding > p { font-size: 16px; }
.research-finding .research-context { font-size: 12px; color: var(--muted); margin-top: 12px; }
.research-finding a { font-size: 12px; margin-top: 8px; }
.need-response { display: grid; grid-template-columns: 1.35fr 1fr; gap: 64px; background: var(--collection); padding: 24px 32px; margin-top: 28px; }
.need-response p + p { margin-top: 8px; }
.evidence-note { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; border-top: 1px solid var(--line); padding-top: 32px; margin-top: 64px; color: var(--muted); }
.collection-introduction { padding-block: 104px 64px; }
.theme-browser { display: grid; grid-template-columns: 270px minmax(0,1fr); gap: 56px; align-items: start; scroll-margin-top: 24px; }
.theme-navigation { display: grid; grid-template-columns: 1fr; position: sticky; top: 24px; margin-bottom: 0; column-gap: 0; }
.theme-navigation a { grid-template-columns: 1fr 20px; padding: 18px 14px; font-size: 15px; line-height: 1.4; min-height: 72px; }
.theme-navigation a[aria-selected="true"] { background: var(--ink); color: var(--canvas); text-decoration: none; }
.theme-panels { min-width: 0; }
.theme-group { padding: 0; border: 0; scroll-margin-top: 24px; }
.theme-group + .theme-group { margin-top: 80px; }
.theme-browser.is-enhanced .theme-group { margin-top: 0; }
.theme-heading { grid-template-columns: 80px minmax(0,1fr); gap: 28px; margin-bottom: 24px; padding-bottom: 28px; }
.theme-marker > span[aria-hidden] { font-size: 68px; }
.theme-heading h3 { font-size: clamp(32px,3.4vw,52px); }
.theme-description { font-size: 18px; max-width: 64ch; }
.theme-mechanism { grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 32px; padding-top: 0; }
.theme-screen { background: var(--dark); overflow: hidden; }
.theme-screen > img { display: block; width: 100%; aspect-ratio: 3 / 2; object-fit: contain; }
.theme-screen > video { display: block; width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; }
.preview-description { display: grid; grid-template-columns: 1.25fr 1fr; gap: 48px; margin-top: 28px; }
.preview-description h4 { font-size: 30px; line-height: 1.2; letter-spacing: -.025em; margin-top: 12px; }
.preview-description > div > p:not(.eyebrow) { color: var(--muted); margin-top: 12px; }
.preview-description .text-link { margin-top: 16px; }
.preview-nuance .eyebrow:not(:first-child) { margin-top: 20px; }
.concept-options { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }
.option-introduction > p:last-child { color: var(--muted); margin-top: 8px; }
.concept-choices { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin-top: 24px; }
.concept-choice { display: block; padding: 0; border: 1px solid var(--line); color: var(--ink); background: transparent; text-align: left; font: inherit; cursor: pointer; touch-action: manipulation; }
.concept-choice > img { aspect-ratio: 3 / 2; object-fit: contain; }
.concept-choice:hover { border-color: var(--ink); }
.concept-choice:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.choice-label { display: grid; gap: 8px; padding: 18px; }
.choice-label > span:first-child { font-size: 11px; letter-spacing: .04em; }
.choice-label strong { font-weight: 500; font-size: 18px; line-height: 1.25; }
.choice-label > span:last-child { font-size: 13px; color: var(--muted); }
.choice-active { display: none; padding: 24px 18px 0; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.concept-choice[aria-pressed="true"] { background: var(--canvas); border-color: var(--ink); }
.concept-choice[aria-pressed="true"] > img { display: none; }
.concept-choice[aria-pressed="true"] .choice-active { display: block; }
.theme-group[hidden] { display: none; }
.theme-film-placeholder { display: flex; flex-direction: column; justify-content: space-between; gap: 40px; padding: 40px; min-height: 430px; aspect-ratio: 3 / 2; background: var(--dark); color: var(--canvas); border: 1px solid #657168; }
.theme-film-placeholder > div { max-width: 38ch; }
.theme-film-placeholder h4 { font-size: clamp(36px,4vw,64px); line-height: 1.08; letter-spacing: -.04em; }
.theme-film-placeholder > div > p { font-size: 18px; color: #dce1d8; margin-top: 24px; }
.theme-film-placeholder > p:last-child { color: #c1c7bf; font-size: 13px; }
.theme-film-choice { display: inline-flex; font: inherit; font-size: 14px; cursor: pointer; margin-top: 20px; padding: 10px 16px; background: transparent; color: var(--ink); border: 1px solid var(--line); }
.theme-film-choice[aria-pressed="true"] { background: var(--ink); color: var(--canvas); border-color: var(--ink); }
.theme-film-choice:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.theme-end { margin-top: 32px; padding-top: 24px; }
.approach-section { background: var(--dark); color: var(--canvas); }
.approach-section .section-intro > p { color: #dce1d8; }
.approach-comparison { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; padding-block: 40px 48px; border-top: 1px solid #657168; }
.approach-comparison h3 { font-size: clamp(26px,2.6vw,40px); line-height: 1.35; letter-spacing: -.02em; margin-top: 20px; }
.approach-comparison > p { color: #dce1d8; font-size: 18px; }
.approach-section .approach-list { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 48px 80px; }
.approach-section .approach-list li { border-color: #657168; }
.approach-section .approach-list span,.approach-section .approach-list p { color: #dce1d8; }
.approach-section .approach-list .approach-deliverable { padding-top: 16px; margin-top: 20px; border-top: 1px solid #657168; font-size: 14px; }
.approach-close { border-top: 1px solid #657168; margin-top: 64px; padding-top: 48px; }
.approach-close h3 { font-size: clamp(26px,3vw,44px); line-height: 1.2; letter-spacing: -.025em; max-width: 40ch; }
.approach-close p { color: #dce1d8; margin-top: 20px; }
.approach-close .text-link { margin-top: 20px; }
@media (max-width:1100px) {
  .theme-browser { grid-template-columns: 220px minmax(0,1fr); gap: 32px; }
  .concept-choices { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .preview-description { grid-template-columns: 1fr; gap: 28px; }
  .need-layout,.need-response { gap: 32px; }
  .research-finding { grid-template-columns: 1fr; }
  .research-stat { grid-row: auto; margin-bottom: 12px; }
}
@media (max-width:899px) {
  .hero-opening,.integration-opening,.story-thread,.need-heading,.need-layout,.evidence-note,.approach-comparison { grid-template-columns: 1fr; gap: 28px; }
  .integration-layers { gap: 24px; }
  .integration-layers h3 { font-size: 27px; }
  .theme-browser { grid-template-columns: 1fr; gap: 40px; }
  .theme-navigation { grid-template-columns: repeat(2,minmax(0,1fr)); position: static; }
  .theme-navigation a { min-height: 76px; }
  .theme-heading { display: grid; grid-template-columns: 80px minmax(0,1fr); }
  .theme-mechanism { grid-column: auto; }
  .concept-choices { grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (max-width:700px) {
  .section-label { display: block; margin-bottom: 32px; padding-top: 16px; }
  .section-label > :last-child { display: block; margin-top: 10px; }
  .hero h1 { font-size: 52px; }
  .integration-opening > p { font-size: 18px; }
  .integration-layers { grid-template-columns: 1fr; gap: 32px; margin-top: 40px; }
  .integration-layers h3 { font-size: 30px; }
  .integration-layers h3 br { display: none; }
  .story-thread { margin-top: 40px; padding-top: 32px; }
  .story-thread h3 { font-size: 34px; }
  .story-thread ol { margin-top: 8px; }
  .need-heading { padding-top: 32px; margin-bottom: 24px; }
  .need-heading h3 { font-size: 32px; }
  .need-study + .need-study { margin-top: 48px; }
  .need-copy > p { font-size: 17px; }
  .need-response { grid-template-columns: 1fr; padding: 24px; gap: 24px; }
  .research-finding { grid-template-columns: 120px minmax(0,1fr); gap: 8px 16px; }
  .research-stat { font-size: 46px; grid-row: 1 / 4; }
  .research-finding > p { font-size: 15px; }
  .collection-introduction { padding-block: 64px 48px; }
  .theme-navigation a { padding: 14px 10px; font-size: 13px; }
  .theme-heading { display: block; padding-bottom: 24px; }
  .theme-heading h3 { font-size: 36px; }
  .theme-mechanism { grid-template-columns: 1fr; gap: 20px; margin-top: 0; }
  .preview-description h4 { font-size: 28px; }
  .concept-choices { grid-template-columns: 1fr; gap: 12px; }
  .concept-choice { display: grid; grid-template-columns: 110px minmax(0,1fr); align-items: center; }
  .concept-choice[aria-pressed="true"] { display: block; }
  .choice-label { padding: 14px; }
  .choice-label strong { font-size: 17px; }
  .choice-label > span:last-child { font-size: 13px; }
  .concept-options { margin-top: 32px; }
  .theme-film-placeholder { aspect-ratio: auto; min-height: 340px; padding: 24px; gap: 32px; }
  .theme-film-placeholder h4 { font-size: 38px; }
  .theme-film-placeholder > div > p { font-size: 16px; margin-top: 16px; }
  .theme-end { align-items: center; }
  .approach-section .approach-list { grid-template-columns: 1fr; gap: 32px; }
  .approach-comparison { padding-block: 32px; }
  .approach-comparison h3 { font-size: 26px; }
  .approach-close { margin-top: 40px; padding-top: 32px; }
  .site-header nav { flex-wrap: wrap; gap: 8px 16px; }
}

/* The collection stays in the document flow. Links are shortcuts, never filters. */
.theme-navigation { max-height: calc(100dvh - 48px); overflow-y: auto; }
.theme-navigation a[aria-current="location"] { background: var(--ink); color: var(--canvas); text-decoration: none; }
.theme-navigation .collection-exit { margin-top: 24px; border-top: 1px solid var(--ink); font-weight: 600; }
.theme-group + .theme-group { margin-top: 104px; padding-top: 64px; border-top: 2px solid var(--ink); }
.concept-shortcuts { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 32px 0 48px; }
.concept-shortcuts a { display: inline-flex; align-items: baseline; gap: 10px; padding-block: 8px; font-size: 14px; }
.concept-shortcuts span { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.concept-preview { scroll-margin-top: 32px; }
.concept-preview + .concept-preview { margin-top: 64px; padding-top: 48px; border-top: 1px solid var(--line); }
.concept-opening { margin-bottom: 28px; }
.concept-opening h4 { font-size: clamp(28px,2.7vw,42px); line-height: 1.15; letter-spacing: -.025em; margin-top: 12px; max-width: 32ch; }
.concept-opening > p:last-child { max-width: 66ch; color: var(--muted); margin-top: 16px; font-size: 18px; }
.theme-overview { margin-top: 48px; border-top: 1px solid var(--line); }
.theme-overview summary { cursor: pointer; padding-block: 20px; font-size: 14px; }
.theme-overview summary span { font-size: 12px; color: var(--muted); margin-left: 16px; }
.theme-overview .theme-film-placeholder { margin-top: 12px; }
.connection-section { margin-top: 0; }
@media (max-width:899px) {
  .theme-browser { gap: 40px; }
  .theme-navigation { display: flex; position: sticky; top: 0; z-index: 5; gap: 0; overflow-x: auto; overflow-y: hidden; max-height: none; background: var(--collection); padding-block: 8px; border-bottom: 1px solid var(--line); }
  .theme-navigation a { flex: 0 0 180px; min-height: 68px; border: 0; padding: 12px; font-size: 13px; }
  .theme-navigation .collection-exit { margin-top: 0; border-left: 1px solid var(--line); }
  .theme-group,.concept-preview { scroll-margin-top: 116px; }
  .theme-group + .theme-group { margin-top: 72px; padding-top: 40px; }
}
@media (max-width:700px) {
  .concept-shortcuts { display: grid; gap: 4px; margin: 24px 0 32px; }
  .concept-shortcuts a { min-height: 44px; padding-block: 10px; }
  .concept-preview + .concept-preview { margin-top: 48px; padding-top: 32px; }
  .concept-opening > p:last-child { font-size: 16px; }
  .theme-overview summary span { display: block; margin-left: 18px; margin-top: 4px; }
}

.mobile-theme-jump { display: none; }
@media (max-width:899px) {
  .theme-navigation { display: block; padding: 12px 0; overflow: visible; }
  .theme-navigation > a { display: none; }
  .mobile-theme-jump { display: grid; gap: 6px; font-size: 11px; letter-spacing: .05em; text-transform: uppercase; }
  .mobile-theme-jump select { display: block; width: 100%; min-height: 44px; padding: 10px 12px; font: inherit; font-size: 16px; letter-spacing: 0; text-transform: none; background: var(--canvas); color: var(--ink); border: 1px solid var(--line); border-radius: 0; }
  .mobile-theme-jump select:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
}