/* Shared rhythm, individual compositions. */
.editorial-page {--chapter-ink:#1b2223;--chapter-muted:#535d5c}
.editorial-page h1 {font-size:clamp(3.4rem,7.6vw,8.5rem);font-weight:400;line-height:1.025;letter-spacing:-.065em}
.editorial-page h1 em {font:400 1em/1.025 'Newsreader',Georgia,serif;letter-spacing:-.055em;color:var(--oxide)}
.editorial-page h2 {font-size:clamp(2.5rem,4.8vw,5.2rem)}
.editorial-page h3 {font-weight:400}
.editorial-page p {text-wrap:pretty}
.eyebrow {font-size:.875rem;line-height:1.5;letter-spacing:0;color:var(--ink-2);margin-bottom:2rem}
.chapter-top {padding-top:146px;padding-bottom:2.5rem}
.chapter-wayfinding {display:flex;align-items:center;justify-content:space-between;gap:3rem;border-bottom:1px solid var(--rule);padding-bottom:1.6rem}
.stage-nav {display:flex;gap:1.8rem;align-items:center;font-size:.75rem;flex-shrink:0}
.stage-nav a {display:flex;align-items:center;gap:.6rem;color:var(--ink-2);padding:.5rem 0;transition:color .3s}
.chapter-stop {display:block;width:6px;height:6px;border:1px solid currentColor;border-radius:50%;transition:background .4s,transform .4s}
.stage-nav a[aria-current] {color:var(--ink)}
.stage-nav a[aria-current] .chapter-stop {background:var(--oxide);border-color:var(--oxide);transform:scale(1.3)}
.stage-nav a:hover {color:var(--oxide)}
.short-rule {display:block;width:60px;height:1px;background:var(--oxide);flex-shrink:0;margin-top:.85rem}
.example-label {font-size:.8rem;color:var(--ink-2);line-height:1.6}
.statement-list {padding:0;list-style:none}
.statement-list li {border-top:1px solid var(--rule);padding:1.3rem 0;font-size:1.125rem;line-height:1.65}
.next-chapter {background:#e4e7e1}
.next-chapter-link {display:flex;align-items:center;justify-content:space-between;gap:3rem;padding-block:5rem}
.next-chapter-link p {font-size:.875rem;color:var(--ink-2);margin-bottom:1.6rem}
.next-chapter-link h2 {font-size:clamp(2.3rem,4vw,4.3rem);transition:color .4s}
.next-chapter-link>.circle-arrow {width:90px;height:90px}
.next-chapter-link>.circle-arrow>span {font-size:2.2rem}
.next-chapter-link:hover h2 {color:var(--oxide)}
.next-chapter-link:hover .circle-arrow {background:var(--ink);color:var(--sheet)}

/* Understand: a field observation, from arrival to a finished record. */
.understand-opening {padding-top:3.4rem;padding-bottom:5rem}
.understand-opening h1 {max-width:1400px}
.opening-note {display:flex;gap:2rem;margin-left:38%;margin-top:3.5rem;max-width:690px}
.opening-note p {font-size:1.125rem;line-height:1.8;max-width:47ch;color:var(--ink-2)}
.follow-work {display:grid;grid-template-columns:.85fr 1fr;gap:clamp(4rem,10vw,11rem);border-top:1px solid var(--rule)}
.follow-intro {position:sticky;top:150px;align-self:start}
.follow-intro h2 {margin-bottom:2.5rem}
.follow-intro>p:last-child {font-size:1.0625rem;line-height:1.85;color:var(--ink-2);max-width:38ch}
.evidence-trail>.example-label {margin-bottom:3.4rem}
.evidence-trail article {position:relative;padding:0 0 3.5rem 2.5rem;border-left:1px solid var(--rule)}
.evidence-trail article:last-child {padding-bottom:0;border-left-color:transparent}
.trail-dot {position:absolute;left:-5px;top:6px;width:9px;height:9px;background:var(--oxide);border-radius:50%;box-shadow:0 0 0 7px var(--sheet)}
.trail-context {font-size:.8rem;color:var(--ink-2);margin-bottom:1.1rem}
.evidence-trail h3 {font-size:clamp(1.8rem,2.5vw,2.8rem);line-height:1.15;letter-spacing:-.05em;margin-bottom:1.1rem}
.evidence-trail article>p:not(.trail-context) {color:var(--ink-2);max-width:43ch;font-size:1rem;line-height:1.8}
.field-note {display:block;font:italic 400 1.3rem/1.4 'Newsreader',Georgia,serif;color:var(--oxide);margin-top:1.25rem}
.people-spread {background:#e6dfd3}
.people-spread h2 {font-size:clamp(2.7rem,5.5vw,6rem);max-width:27ch;line-height:1.13}
.people-notes {display:grid;grid-template-columns:1fr .85fr;gap:10%;margin-left:24%;margin-top:4rem}
.people-notes>p {font-size:1.0625rem;line-height:1.9;max-width:44ch;color:#4e4a43}
.people-notes aside {padding-left:2rem;border-left:1px solid #bdb4a4}
.people-notes h3 {font-size:.875rem;margin-bottom:1.2rem}
.people-notes aside p {font-size:.9375rem;color:#4e4a43;line-height:1.8}
.people-notes aside p+p {margin-top:1rem}
.understand-result {display:grid;grid-template-columns:1fr 1.15fr;gap:10%}
.understand-result .statement-list {margin-top:0}

/* Redesign: inspect the route, then decide who does what. */
.redesign-opening {background:#e9dcd3}
.redesign-hero {display:grid;grid-template-columns:1.7fr .7fr;gap:5%;align-items:end;padding-top:3.4rem;padding-bottom:6rem}
.redesign-hero h1 {font-size:clamp(3.5rem,6.3vw,7rem)}
.redesign-hero>p {font-size:1.0625rem;line-height:1.85;color:#615047;padding-bottom:.5rem}
.comparison-heading {display:flex;align-items:end;justify-content:space-between;gap:3rem;margin-bottom:3.5rem}
.comparison-heading h2 {font-size:clamp(2.5rem,4.2vw,4.5rem)}
.tab-controls {display:flex;gap:2rem;flex-wrap:wrap}
.tab-controls:empty {display:none}
.tab-controls button {background:none;border:0;border-bottom:2px solid transparent;padding:.8rem 0;min-height:44px;font-size:.9375rem;transition:color .3s,border-color .3s;color:var(--ink-2)}
.tab-controls button[aria-selected=true] {border-color:var(--oxide);color:var(--ink)}
.tab-controls button:hover {color:var(--oxide)}
.tabs-ready .fallback-heading {display:none}
[data-tab-panel] {margin-top:2.5rem}
.tabs-ready [data-tab-panel]:not([hidden]) {animation:chapter-panel-in .45s var(--ease) both}
@keyframes chapter-panel-in {from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.process-route {display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2.5rem;list-style:none;padding:0;margin:0}
.process-route li {position:relative;padding:2rem 0 1rem;border-top:1px solid var(--rule)}
.route-node {display:inline-flex;align-items:center;justify-content:center;font-size:1.2rem;width:40px;height:40px;border:1px solid var(--rule);margin-bottom:2.5rem;border-radius:50%}
.process-route h3 {font-size:clamp(1.45rem,2.1vw,2.3rem);line-height:1.2;letter-spacing:-.045em;min-height:2.4em;margin-bottom:1rem}
.process-route p {font-size:.9375rem;line-height:1.8;color:var(--ink-2);max-width:29ch}
.future-route .route-node {background:#dfe5d9;border-color:#a7b19f;color:#35412c}
.future-route .human-decision {border-top-color:var(--oxide)}
.future-route .human-decision .route-node {background:var(--oxide);border-color:var(--oxide);color:white}
.route-conclusion {font:italic 400 clamp(1.5rem,2.4vw,2.5rem)/1.4 'Newsreader',Georgia,serif;margin-top:2rem;padding-top:2rem;border-top:1px solid var(--rule)}
.comparison-note {font-size:.8125rem;color:var(--ink-2);margin-top:2.5rem}
.division-section {background:#26342f;--ink:#f0f2ea;--ink-2:#bac7bc;--rule:#56675c;--oxide:#dba486;color:var(--ink)}
.division-section h2 {margin-bottom:4rem}
.division-lines>p {display:grid;grid-template-columns:1fr 1.5fr;gap:8%;padding:2rem 0;border-top:1px solid var(--rule);align-items:center}
.division-lines>p>span:first-child {font-size:clamp(2.2rem,4vw,4.1rem);letter-spacing:-.06em;line-height:1.15}
.division-lines>p>span:last-child {font:400 clamp(1.25rem,2.3vw,2.3rem)/1.4 'Newsreader',Georgia,serif;color:var(--ink-2);max-width:38ch}
.division-lines>p:last-child>span:first-child {color:var(--oxide)}
.design-decisions {display:grid;grid-template-columns:1.25fr 1fr;gap:12%}
.design-decisions h2 {font-size:clamp(2.5rem,3.7vw,4rem);margin-bottom:2rem}
.design-decisions>div>p {font-size:1.0625rem;color:var(--ink-2);line-height:1.85;max-width:48ch}
.design-sheet {border-left:1px solid var(--rule);padding-left:2.8rem}
.design-sheet .eyebrow {color:var(--oxide)}
.design-sheet .statement-list li {font-size:1rem}
.design-sheet>p:last-child {font-size:.875rem;line-height:1.8;color:var(--ink-2);margin-top:1.5rem}

/* Build: explore how ordinary cases and exceptions are handled. */
.build-opening {background:#172426;--ink:#eef1e9;--ink-2:#b7c6be;--rule:#50615c;--oxide:#dba486;color:var(--ink)}
html:not(.menu-open) .build-chapter-page .mast:not(.has-scrolled) {background:#172426;color:#eef1e9}
.build-hero {padding-top:3.4rem;padding-bottom:6rem}
.build-hero h1 {font-size:clamp(3.5rem,7.6vw,8.2rem)}
.build-hero>p:not(.eyebrow) {font-size:1.125rem;line-height:1.85;color:var(--ink-2);max-width:49ch;margin-top:2.5rem;margin-left:40%}
.build-hero>.inline-link {margin-left:40%;color:#dba486}
.case-heading {margin-bottom:3.5rem}
.case-heading h2 {font-size:clamp(2.5rem,4.3vw,4.7rem)}
.case-heading .example-label {margin-top:1.6rem}
.case-workbench {background:#e6e9e2;padding:2rem 3.5rem 3.5rem}
.case-controls {gap:2.3rem;border-bottom:1px solid #bec6bc}
.case-controls button {padding:.9rem 0 1.2rem}
.case-result {display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(3rem,6vw,6rem);align-items:center;min-height:380px}
.case-paper {background:#fbfcf7;padding:2rem;transform:rotate(-2deg);box-shadow:0 12px 30px #2433260b}
.paper-title {font:400 1.7rem/1.25 'Newsreader',Georgia,serif;padding-bottom:2rem}
.case-paper>div {display:flex;gap:1.4rem;justify-content:space-between;align-items:baseline;font-size:.8125rem;border-top:1px solid #d6dacd;padding:1rem 0}
.case-paper>div>span {color:var(--ink-2)}
.case-paper strong {font-weight:500;text-align:right}
.case-paper .paper-alert {color:var(--oxide);border-top-color:var(--oxide)}
.paper-note {font-size:.75rem;line-height:1.65;color:var(--ink-2);margin-top:1.5rem;max-width:28ch}
.case-status {font-size:.8rem;color:#385437;display:flex;gap:.6rem;align-items:center;margin-bottom:1.4rem}
.case-status>span {font-size:.6rem}
.case-status.needs-review {color:var(--oxide)}
.case-explanation h3 {font-size:clamp(2.2rem,4vw,4.2rem);line-height:1.07;letter-spacing:-.055em;margin-bottom:1.5rem}
.case-explanation>p {font-size:1rem;line-height:1.8;color:var(--ink-2);max-width:43ch}
.case-explanation .case-principle {font:italic 400 1.25rem/1.4 'Newsreader',Georgia,serif;color:var(--ink);margin-top:1.8rem}
.build-practice {padding-top:1rem}
.build-practice article {display:grid;grid-template-columns:1fr 1fr;gap:13%;padding:4.5rem 0;border-top:1px solid var(--rule)}
.build-practice article:nth-of-type(2) {margin-left:12%}
.build-practice article:nth-of-type(3) {margin-left:24%}
.build-practice h2 {font-size:clamp(2.4rem,4.2vw,4.5rem)}
.build-practice article>p {max-width:37ch;font-size:1.0625rem;line-height:1.85;color:var(--ink-2);align-self:center}
.working-versions {background:#e6dfd3;padding:4rem 0}
.working-versions>.wrap {display:grid;grid-template-columns:.8fr 1.6fr;gap:2rem 7%}
.working-versions .eyebrow {margin:0}
.working-versions p:not(.eyebrow) {font:400 clamp(1.65rem,2.6vw,2.8rem)/1.4 'Newsreader',Georgia,serif;max-width:40ch}
.working-versions .inline-link {grid-column:2;justify-self:start;margin-top:0}

/* Hand over: a readable set of things your team can own. */
.ownership-opening {display:grid;grid-template-columns:1.2fr .7fr;gap:12%;align-items:end;padding-top:3.4rem;padding-bottom:5rem}
.ownership-opening>p {font-size:1.125rem;line-height:1.85;color:var(--ink-2);max-width:39ch;padding-bottom:.5rem}
.handover-section {display:grid;grid-template-columns:1fr 1.12fr;gap:10%;border-top:1px solid var(--rule)}
.handover-title {position:sticky;top:145px;align-self:start}
.handover-title h2 {font-size:clamp(2.6rem,4.8vw,5.3rem)}
.handover-pack {border-top:1px solid var(--rule)}
.pack-item {border-bottom:1px solid var(--rule)}
.pack-item>summary {display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:1.8rem 0;list-style:none;cursor:pointer}
.pack-item h3 {font-size:clamp(1.5rem,2.6vw,2.7rem);line-height:1.2;letter-spacing:-.045em}
.pack-item>summary:hover,.pack-item[open]>summary {color:var(--oxide)}
.pack-item .accordion-body>p {font-size:1rem;line-height:1.85;color:var(--ink-2);padding:0 1rem 1.6rem 0;max-width:45ch}
.pack-item ul {list-style:none;margin:0;padding:0 0 2rem}
.pack-item li {font-size:.875rem;line-height:1.7;padding:.65rem 0;border-top:1px solid var(--rule-2)}
.pack-item li::before {content:'↳';margin-right:1rem;color:var(--oxide)}
.team-drives {background:#e5e9df}
.team-drives-intro {display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:end;margin-bottom:4rem}
.team-drives-intro>p {max-width:45ch;font-size:1.0625rem;line-height:1.85;color:var(--ink-2)}
.ownership-prompts>p {font-size:clamp(2rem,5.2vw,5.6rem);line-height:1.15;letter-spacing:-.06em;padding:1.9rem 0;border-top:1px solid #bbc4b3;display:flex;justify-content:space-between;gap:2rem;align-items:center}
.ownership-prompts>p>span {color:#708266;font-size:.6em}
.ownership-endnote {font:italic 400 1.5rem/1.4 'Newsreader',Georgia,serif;margin-top:2.3rem;color:var(--ink-2)}
.after-handover {display:grid;grid-template-columns:1.2fr 1fr;gap:8%}
.after-handover h2 {font-size:clamp(2.5rem,4vw,4.4rem)}
.after-handover>div>p {font-size:1.0625rem;line-height:1.85;color:var(--ink-2);max-width:44ch}
.after-handover>div>p+p {margin-top:1.4rem}
.after-handover p a,.why-vibelab a,.story-source a {text-decoration:underline;text-underline-offset:4px}

/* Why VANDAM: an architectural story, grounded in a real place. */
.why-opening {padding-top:160px;padding-bottom:5rem;display:grid;grid-template-columns:1fr 1.1fr;gap:7%;align-items:center}
.why-title .back {margin-bottom:3rem}
.why-title .eyebrow {margin-bottom:1.8rem}
.why-title h1 {font-size:clamp(3.5rem,6.3vw,6.8rem)}
.why-title>p:last-child {font:400 clamp(1.4rem,2vw,2rem)/1.5 'Newsreader',Georgia,serif;max-width:26ch;margin-top:2.5rem;color:var(--ink-2)}
.why-photo-frame {overflow:hidden;background:#d0d0c6;aspect-ratio:4/5}
.why-photo-frame img {width:100%;height:100%;object-fit:cover;object-position:50% 50%;filter:saturate(.55)}
.photo-credit {font-size:.7rem;color:var(--ink-2);line-height:1.6;margin-top:1rem}
.photo-credit a {text-decoration:underline;text-underline-offset:3px}
.photo-credit>span {display:block}
.why-story {display:grid;grid-template-columns:.6fr 1.5fr;gap:10%;border-top:1px solid var(--rule)}
.why-story h2 {font-size:clamp(2.6rem,4.7vw,5.1rem);margin-bottom:3rem}
.why-story>div>p {max-width:51ch;font-size:1.125rem;line-height:1.85;color:var(--ink-2)}
.why-story>div>p+p {margin-top:1.6rem}
.why-story .story-source {font-size:.8125rem;margin-top:2.5rem}
.why-belief {background:#23322e;--ink:#f0f2e9;--ink-2:#b9c7bc;--rule:#57665b;--oxide:#dba486;color:var(--ink)}
.why-belief h2 {font-size:clamp(2.7rem,5vw,5.5rem);margin-bottom:5rem}
.belief-lines article {display:grid;grid-template-columns:1.1fr 1fr;gap:14%;border-top:1px solid var(--rule);padding:2.5rem 0;align-items:start}
.belief-lines h3 {font-size:clamp(1.8rem,3vw,3.1rem);line-height:1.15;letter-spacing:-.045em;max-width:19ch}
.belief-lines p {font-size:1rem;line-height:1.85;color:var(--ink-2);max-width:44ch}
.why-outro {display:grid;grid-template-columns:1.3fr 1fr;gap:10%}
.why-outro>div>p {font-size:1.0625rem;line-height:1.85;color:var(--ink-2);max-width:39ch}
.why-outro .why-vibelab {font-size:.8125rem;margin-top:3.5rem}

/* Claude: a warm, practical introduction to the work. */
.claude-opening {background:#eadbd0;padding:148px 0 6rem}
.claude-opening .back {margin-bottom:2.5rem;color:#615047}
.claude-mast {display:flex;gap:1rem;align-items:center;margin-bottom:2.7rem}
.claude-mast img {width:40px;height:40px;mix-blend-mode:multiply}
.claude-mast p {font-size:.875rem;color:#615047}
.claude-opening h1 {font-size:clamp(3.4rem,7vw,7.8rem)}
.claude-opening-bottom {margin-top:3rem;display:flex;justify-content:space-between;gap:4rem;align-items:end;margin-left:32%}
.claude-opening-bottom>p {font-size:1.0625rem;line-height:1.85;max-width:48ch;color:#615047}
.claude-opening-bottom .inline-link {flex-shrink:0;font-size:.875rem}
.partner-context {background:#e3d1c4;padding:1.8rem 0}
.partner-context>.wrap {display:flex;gap:3rem;justify-content:space-between;align-items:center}
.partner-context p {max-width:46ch;color:#615047;font-size:.875rem;line-height:1.7}
.partner-context a {display:flex;gap:2rem;align-items:center;font-size:.8125rem;line-height:1.6;max-width:42ch}
.partner-context a:hover {text-decoration:underline;text-underline-offset:4px}
.claude-work {display:grid;grid-template-columns:.8fr 1fr;gap:13%}
.claude-work-heading {position:sticky;top:150px;align-self:start}
.claude-work-heading>p:last-child {font-size:1.0625rem;line-height:1.85;color:var(--ink-2);max-width:34ch;margin-top:2rem}
.claude-outcomes article {padding:2.8rem 0 3.8rem;border-top:1px solid var(--rule)}
.claude-outcomes article:first-child {padding-top:0;border-top:0}
.claude-outcomes article:last-child {padding-bottom:0}
.claude-outcomes h3 {font-size:clamp(2.2rem,3.8vw,4rem);line-height:1.1;letter-spacing:-.055em;margin-bottom:1.6rem}
.claude-outcomes article>p:not(.eyebrow) {font-size:1rem;line-height:1.85;color:var(--ink-2);max-width:46ch}
.claude-outcomes .eyebrow {color:var(--oxide);margin-bottom:1.5rem}
.claude-rollout {background:#242e2d;--ink:#eef1e9;--ink-2:#bac7be;--rule:#55625b;--oxide:#dba486;color:var(--ink)}
.rollout-heading {display:grid;grid-template-columns:1.2fr .6fr;gap:10%;align-items:end;margin-bottom:4.5rem}
.rollout-heading>p {font-size:1.125rem;color:var(--ink-2);line-height:1.75;max-width:31ch}
.rollout-path {list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2.6rem}
.rollout-path li {border-top:1px solid var(--rule);padding-top:1.8rem}
.rollout-path h3 {font-size:clamp(1.5rem,2.2vw,2.3rem);line-height:1.2;letter-spacing:-.04em;min-height:2.4em;margin-bottom:1.25rem}
.rollout-path p {font-size:.9375rem;color:var(--ink-2);line-height:1.85;max-width:29ch}
.claude-learning {display:grid;grid-template-columns:1fr .95fr;gap:10%}
.claude-learning h2 {font-size:clamp(2.5rem,4.2vw,4.7rem);margin-bottom:2rem}
.claude-learning>div>p:not(.eyebrow) {font-size:1.0625rem;color:var(--ink-2);line-height:1.85;max-width:39ch}
.learning-list {border-top:1px solid var(--rule)}
.learning-list .inline-link {font-size:.875rem;gap:1rem}

@media(min-width:1700px){.why-opening{gap:8rem}}
@media(max-width:1100px){
 .redesign-hero {grid-template-columns:1fr;gap:2.5rem}
 .redesign-hero>p {max-width:49ch;margin-left:35%}
 .case-workbench {padding:1.5rem 2rem 2.5rem}
 .case-result {gap:3rem}
 .claude-opening-bottom {margin-left:20%;display:block}
 .claude-opening-bottom>p {max-width:52ch}
 .claude-opening-bottom .inline-link {margin-top:2rem}
 .process-route {gap:1.5rem}
 .rollout-path {gap:1.8rem}
 .why-title h1 {font-size:clamp(3.3rem,6vw,5rem)}
}
@media(max-width:850px){
 .editorial-page h1 {font-size:clamp(3.3rem,8.6vw,6.5rem)}
 .opening-note {margin-left:15%}
 .follow-work {gap:3rem;grid-template-columns:.9fr 1fr}
 .follow-intro {position:static}
 .people-notes {margin-left:8%;gap:3rem}
 .understand-result,.design-decisions,.ownership-opening,.after-handover,.why-outro {gap:3rem}
 .process-route {grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem}
 .process-route h3 {min-height:0}
 .route-node {margin-bottom:1.5rem}
 .case-result {grid-template-columns:.85fr 1.1fr;gap:2rem}
 .case-paper {padding:1.5rem}
 .case-paper>div {display:block}
 .case-paper strong {display:block;margin-top:.4rem}
 .build-practice article {gap:3rem}
 .build-practice article:nth-of-type(2),.build-practice article:nth-of-type(3) {margin-left:0}
 .handover-section {gap:3rem}
 .handover-title {position:static}
 .why-opening {grid-template-columns:1fr 1fr;gap:2.5rem}
 .why-title h1 {font-size:clamp(3rem,6.5vw,4.7rem)}
 .why-title .back {margin-bottom:1.5rem}
 .why-title>p:last-child {font-size:1.5rem}
 .why-story {grid-template-columns:1fr;gap:1rem}
 .why-story>div {margin-left:12%}
 .belief-lines article {gap:3rem}
 .claude-work {gap:3.5rem}
 .claude-work-heading {position:static}
 .rollout-path {grid-template-columns:1fr 1fr;gap:3rem}
 .rollout-path h3 {min-height:0}
 .claude-learning {gap:3rem}
}
@media(max-width:600px){
 .chapter-top {padding-top:110px;padding-bottom:2rem}
 .stage-nav {gap:1.2rem;justify-content:space-between;font-size:.75rem;padding-bottom:1.1rem}
 .stage-nav a::after {bottom:-1.1rem}
 .editorial-page h1 {font-size:clamp(3.1rem,10vw,4.4rem);letter-spacing:-.06em}
 .editorial-page h2 {font-size:clamp(2.4rem,8vw,3.3rem)}
 .eyebrow {margin-bottom:1.5rem;font-size:.8125rem}
 .understand-opening,.build-hero,.redesign-hero,.ownership-opening {padding-top:2rem;padding-bottom:4rem}
 .opening-note {margin:2rem 0 0;gap:1.2rem}
 .opening-note .short-rule {width:30px}
 .opening-note p {font-size:1rem}
 .follow-work {grid-template-columns:1fr;gap:3.5rem}
 .follow-intro h2 {margin-bottom:1.5rem}
 .follow-intro>p:last-child {max-width:47ch;font-size:1rem}
 .evidence-trail>.example-label {margin-bottom:2.5rem}
 .evidence-trail article {margin-left:4px;padding-left:1.8rem;padding-bottom:2.8rem}
 .evidence-trail h3 {font-size:1.8rem}
 .people-notes {grid-template-columns:1fr;margin-left:0;margin-top:2.5rem;gap:2rem}
 .people-notes aside {padding:1.5rem 0 0;border-left:0;border-top:1px solid #bdb4a4}
 .people-spread h2 br {display:none}
 .understand-result,.design-decisions,.ownership-opening,.handover-section,.team-drives-intro,.after-handover,.why-outro,.claude-work,.claude-learning {grid-template-columns:1fr;gap:2.8rem}
 .understand-result .statement-list {margin:0}
 .statement-list li {font-size:1rem}
 .next-chapter-link {padding-block:3.5rem;gap:1.5rem}
 .next-chapter-link>.circle-arrow {width:54px;height:54px}
 .next-chapter-link>.circle-arrow>span {font-size:1.4rem}
 .next-chapter-link h2 {font-size:2.05rem}
 .next-chapter-link p {margin-bottom:1.2rem}
 .redesign-hero>p {margin-left:0;font-size:1rem}
 .comparison-heading {display:block;margin-bottom:2.5rem}
 .comparison-heading>.example-label {margin-top:1.5rem}
 .comparison-heading>.example-label br {display:none}
 .process-route {gap:1.6rem 1.4rem}
 .process-route h3 {font-size:1.4rem}
 .process-route p {font-size:.875rem;line-height:1.75}
 .route-node {width:34px;height:34px;margin-bottom:1.5rem}
 .route-conclusion {font-size:1.5rem;line-height:1.5}
 .division-section h2 {margin-bottom:2.5rem}
 .division-lines>p {grid-template-columns:1fr;gap:1rem;padding:1.6rem 0}
 .division-lines>p>span:first-child {font-size:2.1rem}
 .division-lines>p>span:last-child {font-size:1.4rem;max-width:35ch}
 .design-sheet {padding-left:0;padding-top:2rem;border-left:0;border-top:1px solid var(--rule)}
 .design-decisions>div>p {font-size:1rem}
 .build-hero>p:not(.eyebrow) {margin-left:0;font-size:1rem;margin-top:2rem}
 .build-hero>.inline-link {margin-left:0;font-size:.875rem}
 .case-workbench {padding:1.25rem 1.25rem 2rem;margin-inline:-.25rem}
 .case-controls {display:flex;gap:0;flex-direction:column;align-items:stretch}
 .case-controls button {text-align:left;padding:.7rem 0;font-size:.875rem;min-height:44px}
 .case-result {grid-template-columns:1fr;gap:2.7rem;min-height:0}
 .case-paper {transform:rotate(-1.5deg);max-width:350px;width:95%;margin-inline:auto}
 .case-paper>div {display:flex;gap:1rem}
 .case-paper strong {margin-top:0}
 .paper-title {font-size:1.6rem}
 .case-explanation h3 {font-size:2.3rem}
 .case-explanation>p {font-size:.9375rem}
 .case-explanation .case-principle {font-size:1.2rem}
 .build-practice {padding-top:0}
 .build-practice article {grid-template-columns:1fr;gap:1.6rem;padding:2.5rem 0}
 .build-practice article>p {font-size:1rem;max-width:47ch}
 .working-versions {padding:3rem 0}
 .working-versions>.wrap {grid-template-columns:1fr;gap:1.6rem}
 .working-versions .inline-link {grid-column:1;margin-top:.5rem;font-size:.875rem}
 .working-versions p:not(.eyebrow) {font-size:1.65rem}
 .ownership-opening>p {font-size:1rem;max-width:47ch}
 .handover-title h2 br:nth-child(1) {display:none}
 .pack-item>summary {padding:1.5rem 0}
 .pack-item h3 {font-size:1.7rem}
 .pack-item .accordion-body>p {font-size:.9375rem;padding-right:0}
 .team-drives-intro {margin-bottom:2.5rem;gap:1.8rem}
 .team-drives-intro>p {font-size:1rem}
 .ownership-prompts>p {font-size:clamp(1.7rem,6.4vw,2.5rem);gap:1rem;padding:1.5rem 0}
 .ownership-endnote {font-size:1.3rem;margin-top:1.8rem}
 .after-handover>div>p {font-size:1rem}
 .why-opening {grid-template-columns:1fr;padding-top:115px;padding-bottom:4rem;gap:3rem}
 .why-title .back {font-size:.8125rem;margin-bottom:2rem}
 .why-title h1 {font-size:clamp(3.4rem,11vw,4.6rem)}
 .why-title>p:last-child {max-width:27ch;margin-top:1.7rem;font-size:1.5rem}
 .why-photo-frame {aspect-ratio:4/4.5}
 .why-story {gap:1rem}
 .why-story>div {margin-left:0}
 .why-story h2 {margin-bottom:2rem}
 .why-story>div>p {font-size:1rem}
 .why-story .story-source {font-size:.75rem}
 .why-belief h2 {margin-bottom:3rem}
 .why-belief h2 br {display:none}
 .belief-lines article {grid-template-columns:1fr;gap:1.2rem;padding:2rem 0}
 .belief-lines h3 {font-size:1.9rem;max-width:24ch}
 .belief-lines p {font-size:.9375rem}
 .why-outro {gap:2rem}
 .why-outro>div>p {font-size:1rem}
 .why-outro .why-vibelab {margin-top:2.5rem}
 .claude-opening {padding:115px 0 4rem}
 .claude-opening .back {margin-bottom:2rem}
 .claude-mast {margin-bottom:2rem;gap:.8rem}
 .claude-mast img {width:30px;height:30px}
 .claude-mast p {font-size:.8125rem}
 .claude-opening-bottom {margin:2rem 0 0}
 .claude-opening-bottom>p {font-size:1rem}
 .partner-context>.wrap {display:block}
 .partner-context {padding:1.5rem 0}
 .partner-context p {font-size:.8125rem;margin-bottom:1rem}
 .partner-context a {font-size:.75rem;max-width:48ch}
 .claude-work {gap:3.5rem}
 .claude-work-heading>p:last-child {margin-top:1.5rem;max-width:40ch;font-size:1rem}
 .claude-outcomes article {padding:2.5rem 0}
 .claude-outcomes h3 {font-size:2.2rem}
 .claude-outcomes article>p:not(.eyebrow) {font-size:.9375rem}
 .rollout-heading {grid-template-columns:1fr;gap:1.8rem;margin-bottom:3rem}
 .rollout-heading>p {font-size:1rem;max-width:40ch}
 .rollout-path {grid-template-columns:1fr;gap:2rem}
 .rollout-path li {padding-top:1.5rem}
 .rollout-path h3 {font-size:1.7rem;margin-bottom:.8rem}
 .rollout-path p {max-width:43ch;font-size:.9375rem}
 .claude-learning>div>p:not(.eyebrow) {max-width:43ch;font-size:1rem}
 .learning-list .inline-link {font-size:.8125rem}
}
@media(max-width:360px){.stage-nav{gap:.6rem;font-size:.7rem}.process-route{grid-template-columns:1fr}.case-paper>div{display:block}.case-paper strong{margin-top:.3rem}}
@media(prefers-reduced-motion:reduce){.tabs-ready [data-tab-panel]:not([hidden]){animation:none}.stage-nav a::after,.next-chapter-link h2{transition:none}}

/* Connected chapters make the stagger intentional. */
.cascade-lines {position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;z-index:0}
.cascade-track,.cascade-progress {fill:none;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.cascade-track {stroke:var(--rule)}
.cascade-progress {stroke:var(--oxide);stroke-width:1.7}
.build-practice {position:relative;padding-top:1rem}
.build-practice article,.build-practice article:nth-of-type(2),.build-practice article:nth-of-type(3) {position:relative;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:1.2rem;margin-left:0;border-top:0;padding:4.5rem 0}
.build-practice article>h2 {grid-column:1/6}
.build-practice article>p {grid-column:8/13;max-width:none;position:relative;z-index:1}
.build-practice article:nth-of-type(2)>h2 {grid-column:3/8}
.build-practice article:nth-of-type(2)>p {grid-column:8/13}
.build-practice article:nth-of-type(3)>h2 {grid-column:1/7}
.cascade-stop {position:absolute;width:9px;height:9px;left:-25px;top:4.95rem;background:var(--sheet);border:1.5px solid var(--rule);border-radius:50%;z-index:2;transition:background .4s,border-color .4s;box-shadow:0 0 0 6px var(--sheet)}
.build-practice article:nth-of-type(2)>.cascade-stop {left:calc((100% + 1.2rem) / 6 - 25px)}
.cascade-passed>[data-cascade-point] {background:var(--oxide);border-color:var(--oxide)}
.cascade-current h2 em,.cascade-current h3 {color:var(--oxide)}
.build-practice h2 em,.evidence-trail h3 {transition:color .6s var(--ease)}
.evidence-trail {position:relative}
.evidence-trail article {border-left-color:transparent;z-index:1}
.evidence-trail .trail-dot {background:var(--sheet);border:1px solid var(--oxide);box-shadow:0 0 0 6px var(--sheet);transition:background .4s}
.evidence-trail .cascade-passed>.trail-dot {background:var(--oxide)}
.why-title .breadcrumb {margin-bottom:3rem}
.claude-opening .breadcrumb {margin-bottom:2.5rem}
@media(max-width:1100px){.chapter-wayfinding{flex-direction:column;align-items:flex-start;gap:1.1rem}.stage-nav{font-size:.75rem;gap:1.9rem;flex-shrink:1}}
@media(max-width:850px){.build-practice article,.build-practice article:nth-of-type(2),.build-practice article:nth-of-type(3){column-gap:1rem}.build-practice article>h2,.build-practice article:nth-of-type(3)>h2{grid-column:1/7}.build-practice article:nth-of-type(2)>h2{grid-column:2/7}.build-practice article>p,.build-practice article:nth-of-type(2)>p{grid-column:8/13}.build-practice article:nth-of-type(2)>.cascade-stop{left:calc((100% + 1rem) / 12 - 25px)}}
@media(max-width:600px){
 .chapter-wayfinding{gap:1rem;padding-bottom:1rem}
 .stage-nav{width:100%;justify-content:space-between;gap:.8rem;flex-wrap:wrap;font-size:.65rem}
 .stage-nav a{gap:.4rem}.chapter-stop{width:5px;height:5px}
 .build-practice article,.build-practice article:nth-of-type(2),.build-practice article:nth-of-type(3){display:block;padding:2.5rem 0 2.5rem 1.5rem}
 .build-practice article>p{font-size:1rem;margin-top:1.7rem;max-width:47ch}
 .build-practice article>.cascade-stop,.build-practice article:nth-of-type(2)>.cascade-stop {left:0;top:3rem}
 .why-title .breadcrumb,.claude-opening .breadcrumb{margin-bottom:2rem}
}

.why-opening {align-items:start}