/* Case study templates: four layouts for the inside of a case study, all in the
   town's system (parchment paper, ink, one red; Anton, Hanken Grotesk, DM Mono,
   Patrick Hand). Loads after tokens.css, base.css and pages.css, and only
   uses tokens from tokens.css.

   Shared pieces (cs-*), then one block per template:
     A  Field report   body.cs-a   full-bleed hero, scrolling walkthrough, numbered takeaways
     B  Dossier        body.cs-b   centred hero, tabbed chapters, before/after, test scores
     C  Exhibit        body.cs-c   image-led bands, screen grids, user test rounds
     D  Quest log      body.cs-d   centred and playful, big stat, speech bubbles, flow maps */

/* Local tokens: the one brand colour these pages borrow (brand/tokens.json localColor),
   and the reveal curve from the motion spec. */
body.pg { --c-cloud: #F08A6A; --ease-reveal: cubic-bezier(0.22, 1, 0.36, 1); --dur-reveal: 1s; --dur-hero: .8s; }
body.pg ::selection { background: var(--c-art); color: var(--c-on-art); }

/* ------------------------------------------------------------------ Shared */
.cs-note { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; padding: 10px clamp(16px, 3vw, 28px); background: var(--c-ink); color: var(--c-card); font-family: var(--f-mono); font-size: 13px; }
.cs-note b { font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--c-cloud); }
.cs-note a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.cs-note span:last-child { margin-left: auto; }

.wrap--narrow { max-width: 860px; }
.wrap--text { max-width: 720px; }
.cs-section { margin-top: clamp(56px, 8vw, 96px); scroll-margin-top: 80px; }
.cs-section--tight { margin-top: clamp(32px, 5vw, 56px); }

/* A section divider: mono label on a rule, as in the references */
.cs-divider { display: flex; align-items: center; gap: 16px; margin: clamp(56px, 8vw, 96px) 0 0; font-family: var(--f-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--c-muted); }
.cs-divider::before, .cs-divider::after { content: ""; flex: 1 1 0; border-top: 1px solid var(--c-line); }
.cs-divider--left::before { display: none; }
.cs-divider--left::after { flex: 1 1 0; }

/* Headings */
.cs-h2 { margin: 8px 0 0; text-wrap: balance; font-family: var(--f-sign); font-weight: 400; font-size: clamp(32px, 4.4vw, 54px); line-height: 1; text-transform: uppercase; }
.cs-h2 em { font-style: normal; color: var(--c-art); }
.cs-h3 { margin: 6px 0 0; text-wrap: balance; font-family: var(--f-body); font-weight: 700; font-size: 24px; line-height: 1.25; }
.cs-h4 { margin: 0; font-family: var(--f-mono); font-size: 12px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--c-muted); }
.cs-center { text-align: center; }
.cs-center .cs-lede, .cs-center .cs-prose { margin-left: auto; margin-right: auto; }
.cs-lede { max-width: 62ch; margin: 16px 0 0; font-size: 19px; line-height: 1.55; color: var(--c-body); }
.cs-prose { max-width: 65ch; }
.cs-prose p { margin: 0 0 16px; font-size: 17px; line-height: 1.65; color: var(--c-body); }
.cs-prose p:last-child { margin-bottom: 0; }
.cs-prose b { color: var(--c-ink); }
.cs-prose ul, .cs-prose ol { margin: 0 0 16px; padding-left: 22px; font-size: 17px; line-height: 1.6; color: var(--c-body); }
.cs-prose li { margin-bottom: 6px; }
.cs-small { font-size: 14px; line-height: 1.5; color: var(--c-muted); }

/* Chips: the "my role" tags */
.cs-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.cs-chips li, .cs-chip { padding: 5px 12px; border: 1.5px solid var(--c-border); border-radius: var(--radius-pill); font-family: var(--f-mono); font-size: 13px; }
.cs-chip--red { border-color: var(--c-art); color: var(--c-art); }
.cs-chip--fill { background: var(--c-ink); border-color: var(--c-ink); color: var(--c-card); }
.cs-center .cs-chips { justify-content: center; }

/* Meta line: role · timeline · team, in one row */
.cs-metaline { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 28px; margin: 22px 0 0; padding: 0; list-style: none; font-family: var(--f-mono); font-size: 13px; }
.cs-metaline li span { display: block; letter-spacing: .08em; color: var(--c-muted); font-size: 12px; text-transform: uppercase; }
.cs-metaline li b { font-weight: 500; }

/* Image placeholders: dashed boxes that name what goes there. Swap each for an <img>. */
.ph { position: relative; display: grid; place-items: center; width: 100%; margin: 0; aspect-ratio: var(--ar, 16 / 9); padding: 16px; background: var(--c-paper-2); border: var(--rule-dashed); color: var(--c-muted); font-family: var(--f-mono); font-size: 12px; line-height: 1.5; text-align: center; overflow: hidden; }
.ph::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(22, 20, 19, .035) 14px 15px); pointer-events: none; }
.ph > * { position: relative; }
.ph--phone { --ar: 9 / 19; max-width: 300px; margin-inline: auto; border-radius: 28px; border-style: solid; border-width: 6px; border-color: var(--c-ink); background: var(--c-card); }
.ph--phone::before { display: none; }
.ph--phone::after { content: ""; position: absolute; top: 10px; left: 50%; width: 36%; height: 16px; transform: translateX(-50%); border-radius: 10px; background: var(--c-ink); }
.ph--desktop { --ar: 16 / 10; border-style: solid; border-width: 6px 6px 18px; border-color: var(--c-ink); background: var(--c-card); }
.ph--square { --ar: 1; }
.ph--wide { --ar: 21 / 9; }
.ph--tall { --ar: 4 / 5; }
.ph--ink { background: var(--c-ink); color: var(--c-paper); border-color: var(--c-paper); }
.ph--ink::before { background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(247, 243, 235, .06) 14px 15px); }
.ph--red { background: var(--c-art); color: var(--c-on-art); border-color: var(--c-on-art); }
.ph--red::before { background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(247, 243, 235, .12) 14px 15px); }
.ph--plain { background: var(--c-card); }
figure.cs-fig { margin: 0; }
.cs-fig figcaption { margin-top: 10px; font-family: var(--f-mono); font-size: 13px; line-height: 1.5; color: var(--c-muted); text-align: center; }
.cs-fig figcaption b { font-weight: 500; color: var(--c-ink); }

/* Tinted bands: the one "colour block" the templates use, in paper-2, ink or red */
.cs-band { padding: clamp(32px, 5vw, 64px) 0; background: var(--c-paper-2); border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.cs-band--ink { background: var(--c-ink); color: var(--c-card); border-color: var(--c-ink); }
.cs-band--ink .kicker { color: var(--c-cloud); }
.cs-band--ink .cs-lede, .cs-band--ink .cs-prose p { color: var(--c-paper); }
.cs-band--red { background: var(--c-art); color: var(--c-on-art); border-color: var(--c-art); }
.cs-band--red .kicker { color: var(--c-on-art); opacity: .8; }
.cs-band--red .cs-lede, .cs-band--red .cs-prose p { color: var(--c-on-art); }
.cs-band--tint { background: var(--c-art-tint); border-color: var(--c-art-tint); }
.cs-band--card { background: var(--c-card); }
.cs-band--halftone { background-image: radial-gradient(rgba(22, 20, 19, .08) 1px, transparent 1.2px); background-size: 9px 9px; }

/* Big numbers (no cards) */
.cs-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 28px 0 0; padding: 0; list-style: none; }
.cs-stat { padding-top: 14px; border-top: 3px solid var(--c-ink); }
.cs-stat--red { border-top-color: var(--c-art); }
.cs-stat__v { display: block; font-variant-numeric: tabular-nums; font-family: var(--f-sign); font-size: clamp(44px, 5.6vw, 72px); line-height: .95; }
.cs-stat__l { display: block; margin-top: 8px; font-family: var(--f-mono); font-size: 13px; line-height: 1.4; color: var(--c-muted); }
.cs-stat--red .cs-stat__v { color: var(--c-art); }

/* Numbered list: 01 / 02 / 03 with a bold lead */
.cs-numbered { margin: 18px 0 0; padding: 0; list-style: none; }
.cs-numbered li { display: grid; grid-template-columns: 14px minmax(0, 1fr); gap: 2px 12px; padding: 12px 0; border-top: 1px solid var(--c-line); }
.cs-numbered li::before { content: ""; width: 8px; height: 8px; margin-top: 7px; border-radius: 50%; background: var(--c-art); }
.cs-numbered b { display: block; font-size: 16px; }
.cs-numbered span { display: block; grid-column: 2; font-size: 15px; line-height: 1.5; color: var(--c-body); }

/* Problem / change pairs, and any small card */
.cs-cards { display: grid; grid-template-columns: repeat(var(--cols, 2), minmax(0, 1fr)); gap: 14px; margin: 18px 0 0; padding: 0; list-style: none; }
.cs-card { padding: 16px 18px 18px; background: var(--c-card); border: var(--rule); }
.cs-card--soft { border: 1px solid var(--c-line); }
.cs-card--tint { background: var(--c-art-tint); border-color: var(--c-art-tint); }
.cs-card .cs-h4 { margin-bottom: 6px; }
.cs-card p { margin: 0; font-size: 15px; line-height: 1.5; color: var(--c-body); }
.cs-card q, .cs-quote { display: block; margin: 8px 0 0; font-family: var(--f-hand); font-size: 19px; line-height: 1.3; color: var(--c-ink); quotes: "“" "”"; }
.cs-card q::before, .cs-quote::before { content: open-quote; }
.cs-card q::after, .cs-quote::after { content: close-quote; }
.cs-cite { display: block; margin-top: 6px; font-family: var(--f-mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--c-art); }

/* Speech bubbles (Patrick Hand), from the comic */
.bubble { position: relative; margin: 0; padding: 14px 18px; background: var(--c-card); border: var(--rule); border-radius: 14px; font-family: var(--f-hand); font-size: 19px; line-height: 1.3; }
.bubble::before { content: ""; position: absolute; left: 26px; bottom: -14px; width: 0; height: 0; border: 8px solid transparent; border-top: 8px solid var(--c-ink); border-right-width: 10px; }
.bubble::after { content: ""; position: absolute; left: 28px; bottom: -10px; width: 0; height: 0; border: 7px solid transparent; border-top: 7px solid var(--c-card); border-right-width: 9px; }
.bubble--right::before { left: auto; right: 26px; border-right-width: 8px; border-left-width: 10px; }
.bubble--right::after { left: auto; right: 28px; border-right-width: 7px; border-left-width: 9px; }
.bubble--ink { background: var(--c-ink); color: var(--c-card); }
.bubble--ink::after { border-top-color: var(--c-ink); }
.bubble cite { display: block; margin-top: 6px; font-family: var(--f-mono); font-size: 12px; font-style: normal; letter-spacing: .06em; text-transform: uppercase; color: var(--c-muted); }
.bubble--ink cite { color: var(--c-on-biz-muted); }

/* Tables */
.cs-table { width: 100%; margin: 18px 0 0; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.cs-table th { padding: 10px 14px; text-align: left; background: var(--c-ink); color: var(--c-card); font-family: var(--f-mono); font-weight: 500; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.cs-table td { padding: 12px 14px; border-bottom: 1px solid var(--c-line); vertical-align: top; color: var(--c-body); }
.cs-table td:first-child { font-weight: 600; color: var(--c-ink); }
.cs-table tr:nth-child(even) td { background: var(--c-card); }

/* Prev / next, for the two templates that read like a gallery */
.cs-prevnext { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 24px; border-top: var(--rule); font-family: var(--f-mono); font-size: 14px; }
.cs-prevnext a { text-decoration: underline; text-underline-offset: 3px; }
.cs-prevnext a:last-child { text-align: right; }
.cs-prevnext a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; }
.cs-prevnext svg { width: 16px; height: 16px; }

/* Template picker ribbon on each template page */
.cs-pick { display: flex; flex-wrap: wrap; gap: 6px; }
.cs-pick a { min-height: 32px; display: inline-flex; align-items: center; padding: 0 11px; border: 1px solid rgba(247, 243, 235, .5); border-radius: var(--radius-pill); color: var(--c-card); text-decoration: none; }
.cs-pick a[aria-current] { background: var(--c-card); color: var(--c-ink); border-color: var(--c-card); }

/* =================================================================== A · Field report */
/* Full-bleed hero: a screenshot with the title over it, as the AI Voice Agent page */
.fr-hero { position: relative; min-height: clamp(420px, 72vh, 720px); display: flex; align-items: flex-end; margin: 0; background: var(--c-ink); color: var(--c-card); overflow: hidden; }
.fr-hero .ph { position: absolute; inset: 0; aspect-ratio: auto; height: 100%; padding: 0; border: 0; align-items: start; justify-items: end; }
.fr-hero .ph > span { margin: 20px; padding: 6px 10px; background: rgba(22, 20, 19, .65); color: var(--c-paper); }
.fr-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(22, 20, 19, 0) 35%, rgba(22, 20, 19, .92) 100%); pointer-events: none; }
.fr-hero__text { position: relative; z-index: 2; width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px) clamp(28px, 4vw, 48px); }
.fr-hero__text .kicker { color: var(--c-cloud); }
.fr-hero__title { margin: 10px 0 0; text-wrap: balance; font-family: var(--f-sign); font-weight: 400; font-size: clamp(52px, 8.5vw, 120px); line-height: .92; text-transform: uppercase; }
.fr-hero__sub { max-width: 60ch; margin: 14px 0 0; font-size: 19px; line-height: 1.5; color: var(--c-paper); }

.fr-meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin: 0; padding: 28px 0; border-bottom: 1px solid var(--c-line); }
.fr-meta div { display: flex; flex-direction: column; gap: 4px; }
.fr-meta dt { font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--c-muted); }
.fr-meta dd { margin: 0; font-size: 15px; font-weight: 600; line-height: 1.4; }

.fr-steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin: 28px 0 0; padding: 0; list-style: none; }
.fr-step { position: relative; display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 18px 10px; text-align: center; font-family: var(--f-mono); font-size: 13px; line-height: 1.4; }
.fr-step i { width: 44px; height: 44px; display: grid; place-items: center; border: var(--rule); border-radius: 50%; background: var(--c-card); font-style: normal; font-family: var(--f-sign); font-size: 18px; }
.fr-step__arrow { position: absolute; left: -14px; top: 30px; width: 16px; height: 16px; color: var(--c-muted); }
.fr-step:first-child .fr-step__arrow { display: none; }
.fr-step--pain { color: var(--c-art); }
.fr-step--pain i { border-color: var(--c-art); color: var(--c-art); }

.fr-constraints { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin: 24px 0 0; padding: 0; list-style: none; }
.fr-constraints li { padding: 16px 18px; background: var(--c-card); border: 1px solid var(--c-line); }
.fr-constraints h3 { margin: 0 0 8px; font-family: var(--f-mono); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--c-art); }
.fr-constraints ul { margin: 0; padding-left: 16px; font-size: 14px; line-height: 1.5; color: var(--c-body); }

/* Paired frames: rejected / chosen */
.fr-pair { margin: 28px 0 0; padding: 28px clamp(16px, 3vw, 40px) 20px; background: var(--c-paper-2); border: 1px solid var(--c-line); }
.fr-pair__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.fr-pair__cell { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.fr-pair__tag { display: inline-flex; align-items: center; gap: 6px; font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--c-muted); }
.fr-pair__tag--no { color: var(--c-art); }
.fr-pair__tag--yes { color: var(--c-ink); font-weight: 500; }
.fr-pair__tag svg { width: 14px; height: 14px; }
.fr-pair .ph--phone { max-width: 240px; }
.fr-pair figcaption { margin-top: 18px; text-align: center; font-size: 15px; line-height: 1.5; color: var(--c-body); }
.fr-pair figcaption b { display: block; font-family: var(--f-mono); font-size: 13px; font-weight: 500; color: var(--c-ink); }

.fr-grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 24px 0 0; padding: 0; list-style: none; }
.fr-grid2 li { display: flex; flex-direction: column; gap: 12px; padding: 20px; background: var(--c-card); border: 1px solid var(--c-line); }
.fr-grid2 .ph { --ar: 3 / 2; }
.fr-grid2 b { font-family: var(--f-mono); font-size: 14px; font-weight: 500; text-align: center; }

/* The walkthrough: sticky screenshot on the left, features scroll by on the right */
.fr-walk { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: start; }
.fr-walk__fig { position: sticky; top: 24px; }
.fr-walk__fig { display: grid; }
.fr-walk__fig .ph { --ar: 16 / 11; grid-area: 1 / 1; transition: opacity 400ms var(--ease-out), filter 400ms var(--ease-out), transform 400ms var(--ease-out); }
.js .fr-walk__fig .ph:not(.is-on) { opacity: 0; filter: blur(4px); transform: scale(.985); pointer-events: none; }
.fr-walk__item { transition: opacity 300ms var(--ease-out); }
.js .fr-walk.has-active .fr-walk__item:not(.is-on) { opacity: .4; }
.fr-walk__list { margin: 0; padding: 0; list-style: none; }
.fr-walk__item { min-height: 60vh; display: flex; flex-direction: column; justify-content: center; gap: 10px; }
.fr-walk__item:first-child { min-height: 40vh; justify-content: flex-start; padding-top: 20px; }
.fr-walk__item:last-child { min-height: 40vh; justify-content: flex-start; }
.fr-walk__item h3 { margin: 0; font-family: var(--f-sign); font-weight: 400; font-size: clamp(30px, 3.6vw, 44px); line-height: 1; text-transform: uppercase; color: var(--c-art); }
.fr-walk__item p { max-width: 36ch; margin: 0; font-size: 17px; line-height: 1.55; color: var(--c-body); }
.fr-walk__item .cs-h4 { color: var(--c-muted); }

/* Takeaways: 01 Proposed / What we learned */
.fr-take { margin: 0; padding: 0; list-style: none; counter-reset: t; }
.fr-take > li { padding: 32px 0; border-top: 1px solid var(--c-line); }
.fr-take > li:first-child { border-top: 0; padding-top: 16px; }
.fr-take__t { display: flex; gap: 14px; align-items: baseline; margin: 0; font-family: var(--f-body); font-weight: 700; font-size: 24px; line-height: 1.25; }
.fr-take__t::before { counter-increment: t; content: "0" counter(t); font-family: var(--f-mono); font-size: 14px; font-weight: 500; color: var(--c-art); }
.fr-take__rows { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 16px 40px; margin-top: 16px; padding-left: 44px; }
.fr-take__row { display: contents; }
.fr-take__row p { margin: 0; font-size: 16px; line-height: 1.55; color: var(--c-body); }
.fr-take__row .cs-h4 { margin-bottom: 4px; }
.fr-take__row .ph { --ar: 5 / 3; }
.fr-take__row--learned .cs-h4 { color: var(--c-art); }

.fr-lessons { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 40px; align-items: start; margin-top: 24px; }
.fr-lessons h3 { margin: 22px 0 6px; font-family: var(--f-mono); font-size: 13px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--c-art); }
.fr-lessons h3:first-child { margin-top: 0; }
.fr-lessons ul { margin: 0; padding-left: 18px; font-size: 15px; line-height: 1.55; color: var(--c-body); }
.fr-chat { display: flex; flex-direction: column; gap: 22px; padding-top: 6px; }
.fr-chat .bubble { max-width: 85%; }
.fr-chat .bubble--right { align-self: flex-end; }

.fr-outro { margin-top: clamp(56px, 8vw, 96px); }
.fr-outro .ph { --ar: 21 / 8; border-left: 0; border-right: 0; }

/* =================================================================== B · Dossier */
.ds-hero { padding: clamp(32px, 5vw, 56px) 0 0; text-align: center; }
.ds-hero__k { margin: 0; font-family: var(--f-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--c-art); }
.ds-hero__title { margin: 14px 0 0; text-wrap: balance; font-family: var(--f-sign); font-weight: 400; font-size: clamp(60px, 10vw, 140px); line-height: .9; text-transform: uppercase; }
.ds-hero__title em { font-style: normal; color: var(--c-art); }
.ds-hero__line { max-width: 56ch; margin: 18px auto 0; font-size: 18px; font-weight: 600; line-height: 1.45; }
.ds-hero__role { margin-top: 26px; }
.ds-hero__role .cs-h4 { margin-bottom: 10px; }
.ds-hero__intro { max-width: 64ch; margin: 24px auto 0; font-size: 16px; line-height: 1.6; color: var(--c-body); }
.ds-hero__fig { margin: 36px 0 0; padding: clamp(24px, 4vw, 56px); background: radial-gradient(ellipse at 50% 30%, var(--c-card) 0%, var(--c-paper-2) 70%); border: 1px solid var(--c-line); }
.ds-hero__phones { display: flex; justify-content: center; align-items: flex-end; gap: 0; }
.ds-hero__phones .ph--phone { width: 240px; margin: 0; }
.ds-hero__phones .ph--phone:first-child { transform: rotate(-6deg) translateX(18px); z-index: 2; }
.ds-hero__phones .ph--phone:last-child { transform: rotate(6deg) translateX(-18px); opacity: .9; }

/* Tab bar: sticky, like the town nav */
.ds-tabs { display: flex; justify-content: center; margin: 28px 0 0; padding: 10px 0; }
.ds-tabs ol { display: flex; margin: 0; padding: 0; list-style: none; background: var(--c-card); border: var(--rule); overflow-x: auto; }
.ds-tabs a { display: inline-flex; align-items: center; height: 44px; padding: 0 16px; border-left: var(--rule); font-family: var(--f-mono); font-size: 13px; white-space: nowrap; text-decoration: none; transition: background-color var(--dur-hover) var(--ease-out), transform var(--dur-press) var(--ease-out); }
.ds-tabs a:active { transform: scale(.97); }
.ds-tabs li:first-child a { border-left: 0; }
.ds-tabs a[aria-current] { box-shadow: inset 0 -4px 0 var(--c-art); font-weight: 500; }
@media (hover: hover) and (pointer: fine) { .ds-tabs a:hover { background: var(--c-paper); } }

.ds-feat { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: clamp(28px, 5vw, 72px); align-items: center; margin-top: clamp(48px, 6vw, 80px); }
.ds-feat--flip { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
.ds-feat--flip > :first-child { order: 2; }
.ds-feat .ph--phone { max-width: 280px; }
.ds-feat__tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.ds-feat__tags .kicker { font-size: 12px; }
.ds-feat__tags .cs-chip { padding: 2px 8px; font-size: 12px; }
.ds-feat p { max-width: 58ch; margin: 10px 0 0; font-size: 16px; line-height: 1.6; color: var(--c-body); }

.ds-ba { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr); gap: 16px; align-items: center; margin: 32px 0 0; padding: clamp(20px, 3vw, 36px); background: var(--c-card); border: 1px solid var(--c-line); }
.ds-ba__arrow { width: 28px; height: 28px; color: var(--c-art); }
.ds-ba figure { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.ds-ba .ph--phone { max-width: 220px; }
.ds-ba figcaption { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; text-align: center; color: var(--c-muted); }
.ds-ba figure:last-child figcaption { color: var(--c-art); font-weight: 500; }
.ds-ba__note { grid-column: 1 / -1; display: flex; gap: 10px; align-items: flex-start; margin: 8px 0 0; font-size: 14px; line-height: 1.5; color: var(--c-body); }
.ds-ba__note .cs-chip { flex-shrink: 0; padding: 2px 8px; font-size: 12px; }

.ds-reel { display: flex; gap: 20px; margin: 28px 0 0; padding: 0 0 12px; list-style: none; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.ds-reel li { flex: 0 0 200px; scroll-snap-align: start; }
.ds-reel .ph--phone { max-width: 200px; }
.ds-reel figcaption { margin-top: 8px; font-family: var(--f-mono); font-size: 12px; text-align: center; }
.ds-cta { display: flex; justify-content: center; margin-top: 20px; }
.btn svg { width: 16px; height: 16px; }
.ds-callout { max-width: 72ch; margin: 24px auto 0; padding: 14px 18px; background: var(--c-card); border: 1px solid var(--c-line); font-size: 14px; line-height: 1.55; color: var(--c-body); }
.ds-callout b { font-family: var(--f-mono); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--c-art); }

.ds-four { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin: 28px 0 0; padding: 0; list-style: none; }
.ds-four .ph { --ar: 9 / 12; }
.ds-four b { display: block; margin-top: 12px; font-size: 15px; }
.ds-four span { display: block; font-size: 14px; line-height: 1.5; color: var(--c-body); }

.ds-findings { --cols: 3; }
.ds-findings .cs-card { border: 1px solid var(--c-line); }
.ds-findings h3 { margin: 0 0 6px; font-size: 16px; }

.ds-tasks { margin: 28px 0 0; padding: 0; list-style: none; }
.ds-task { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 8px 32px; padding: 26px 0; border-top: 1px solid var(--c-line); }
.ds-task__score { display: flex; flex-direction: column; gap: 10px; }
.ds-task__n { font-family: var(--f-sign); font-variant-numeric: tabular-nums; font-size: 44px; line-height: 1; }
.ds-task__n small { font-family: var(--f-mono); font-size: 13px; color: var(--c-muted); }
.ds-dots { display: flex; gap: 4px; }
.ds-dots i { width: 18px; height: 6px; background: var(--c-line); }
.ds-dots i.on { background: var(--c-ink); }
.ds-task--hard .ds-dots i.on { background: var(--c-art); }
.ds-task--hard .ds-task__n { color: var(--c-art); }
.ds-task__body h3 { margin: 4px 0 6px; font-size: 18px; }
.ds-task__body p { margin: 0 0 10px; font-size: 15px; line-height: 1.55; color: var(--c-body); }
.ds-task__q { margin: 12px 0; padding-left: 14px; border-left: 2px solid var(--c-line); }
.ds-task__q .cs-quote { margin: 0; }
.ds-changed { padding: 10px 14px; background: var(--c-art-tint); font-size: 14px; line-height: 1.5; }
.ds-changed b { display: block; font-family: var(--f-mono); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--c-art); }

.ds-scale { display: flex; align-items: center; gap: 8px; margin-top: 14px; font-family: var(--f-mono); font-size: 12px; color: var(--c-muted); }
.ds-scale i { flex: 1 1 0; position: relative; height: 2px; background: var(--c-line); }
.ds-scale i::after { content: ""; position: absolute; left: var(--at, 70%); top: -6px; width: 14px; height: 14px; border-radius: 50%; background: var(--c-art); }

.ds-outcome li, .ds-limits li { margin-bottom: 10px; }
.ds-outcome b, .ds-limits b { color: var(--c-ink); }
.ds-reflect h3 { margin: 20px 0 6px; font-size: 17px; }
.ds-reflect h3:first-child { margin-top: 0; }
.ds-foot { margin-top: 40px; font-family: var(--f-mono); font-size: 12px; line-height: 1.6; text-align: center; color: var(--c-muted); }

/* =================================================================== C · Exhibit */
.ex-head { padding: clamp(32px, 5vw, 56px) 0 24px; text-align: center; }
.ex-head .cs-h2 { font-size: clamp(44px, 6vw, 80px); }
.ex-head .cs-lede { margin-left: auto; margin-right: auto; }
.ex-text { max-width: 720px; margin: clamp(40px, 6vw, 72px) auto 0; }
.ex-text h2 { margin: 0 0 10px; font-family: var(--f-mono); font-size: 12px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--c-muted); }
.ex-text h2::before { content: "— "; color: var(--c-art); }
.ex-text p { margin: 0 0 14px; font-size: 16px; line-height: 1.65; color: var(--c-body); }
.ex-text ol, .ex-text ul { margin: 0; padding-left: 20px; font-size: 15px; line-height: 1.6; color: var(--c-body); }
.ex-text li { margin-bottom: 6px; }
.ex-text li b { color: var(--c-ink); }

.ex-bleed { margin-top: clamp(40px, 6vw, 72px); padding: clamp(32px, 5vw, 72px) clamp(16px, 4vw, 48px); }
.ex-bleed--paper { background: var(--c-paper-2); }
.ex-bleed--card { background: var(--c-card); border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.ex-bleed--ink { background: var(--c-ink); color: var(--c-card); }
.ex-bleed--red { background: var(--c-art); color: var(--c-on-art); }
.ex-bleed > * { max-width: 1240px; margin-left: auto; margin-right: auto; }
.ex-bleed .ph--desktop { max-width: 880px; margin-inline: auto; }
.ex-bleed__title { margin: 0 0 24px; font-family: var(--f-sign); font-weight: 400; font-size: clamp(30px, 4vw, 48px); line-height: 1; text-transform: uppercase; }
.ex-bleed__title small { display: block; margin-top: 6px; font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; color: var(--c-muted); }
.ex-bleed--ink .ex-bleed__title small, .ex-bleed--red .ex-bleed__title small { color: inherit; opacity: .75; }

/* The tilted collage: a sheet of screens at an angle, cropped by the band */
.ex-collage { position: relative; height: clamp(360px, 55vw, 640px); overflow: hidden; margin-top: clamp(40px, 6vw, 72px); background: var(--c-paper-2); border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.ex-collage__sheet { position: absolute; left: 50%; top: 50%; width: 150%; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 24px; transform: translate(-50%, -50%) rotate(-14deg); }
.ex-collage__sheet .ph { --ar: 3 / 4; box-shadow: var(--shadow-card); border-style: solid; border-width: 1px; border-color: var(--c-line); background: var(--c-card); }
.ex-collage__sheet .ph:nth-child(3n) { --ar: 16 / 10; grid-column: span 2; }
.ex-collage__sheet .ph--ink { background: var(--c-ink); }
.ex-collage__sheet .ph--red { background: var(--c-art); }

.ex-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.ex-split .ph--phone { max-width: 220px; margin: 0; }
.ex-split__phones { display: flex; justify-content: center; gap: 16px; }
.ex-split h2 { margin: 0; font-family: var(--f-sign); font-weight: 400; font-size: clamp(32px, 4vw, 48px); line-height: 1; text-transform: uppercase; }
.ex-split p { margin: 12px 0 0; font-size: 16px; line-height: 1.6; }
.ex-pills { margin: 20px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.ex-pills li { display: flex; align-items: center; gap: 12px; font-family: var(--f-mono); font-size: 13px; }
.ex-pills li b { padding: 4px 10px; background: var(--c-on-art); color: var(--c-art); font-weight: 500; }
.ex-bleed--ink .ex-pills li b { background: var(--c-card); color: var(--c-ink); }

.ex-proto { max-width: 880px; margin: 0 auto; padding: 24px; background: var(--c-card); border: var(--rule); box-shadow: 6px 6px 0 var(--c-ink); }
.ex-proto__bar { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; font-family: var(--f-mono); font-size: 12px; color: var(--c-muted); }
.ex-proto__bar .cs-chip--fill { padding: 2px 8px; font-size: 12px; }
.ex-proto__body { display: grid; grid-template-columns: minmax(0, 1fr) 240px minmax(0, 1fr); gap: 24px; align-items: center; }
.ex-proto__body .ph--phone { max-width: 240px; }
.ex-proto__body p { margin: 0; font-size: 14px; line-height: 1.5; color: var(--c-body); }
.ex-proto__body p b { display: block; font-family: var(--f-mono); font-size: 12px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--c-ink); margin-bottom: 4px; }

.ex-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.ex-grid + .ex-grid { margin-top: 20px; }
.ex-grid .ph { --ar: 9 / 16; border-style: solid; border-width: 1px; border-color: var(--c-line); background: var(--c-card); box-shadow: var(--shadow-card); border-radius: 12px; }
.ex-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 820px; }
.ex-grid--3 .ph { --ar: 9 / 17; }
.ex-bleed--ink .ex-grid .ph, .ex-bleed--red .ex-grid .ph { border-color: transparent; }

.ex-findings { max-width: 720px; margin: clamp(40px, 6vw, 72px) auto 0; }
.ex-findings h3 { margin: 18px 0 8px; font-size: 15px; font-weight: 700; }
.ex-findings h3:first-child { margin-top: 0; }
.ex-findings ul, .ex-findings ol { margin: 0; padding-left: 20px; font-size: 15px; line-height: 1.6; color: var(--c-body); }
.ex-findings li { margin-bottom: 5px; }
.ex-findings .ph { --ar: 16 / 9; margin: 16px 0; }

.ex-marquee { margin-top: 56px; padding: 12px 0; overflow: hidden; background: var(--c-ink); color: var(--c-card); border-top: var(--rule); border-bottom: var(--rule); white-space: nowrap; }
.ex-marquee span { display: inline-block; padding-right: 40px; font-family: var(--f-sign); font-size: 22px; letter-spacing: .06em; text-transform: uppercase; animation: exMarquee 28s linear infinite; }
.ex-marquee span i { font-style: normal; color: var(--c-cloud); }
@keyframes exMarquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ex-contact { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px 40px; padding: 36px 0 0; }
.ex-contact h2 { margin: 0; font-family: var(--f-sign); font-weight: 400; font-size: clamp(32px, 4vw, 48px); line-height: 1; text-transform: uppercase; }
.ex-contact p { margin: 0; font-family: var(--f-mono); font-size: 14px; line-height: 1.7; text-align: right; }
.ex-contact a { text-decoration: underline; text-underline-offset: 3px; }

/* =================================================================== D · Quest log */
.ql-hero { padding: clamp(32px, 5vw, 56px) 0 0; text-align: center; }
.ql-hero__k { margin: 0; font-family: var(--f-mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--c-art); }
.ql-hero__title { margin: 12px 0 0; font-family: var(--f-sign); font-weight: 400; font-size: clamp(64px, 11vw, 150px); line-height: .9; text-transform: uppercase; letter-spacing: .02em; }
.ql-mascot { display: grid; place-items: center; width: 64px; height: 64px; margin: 18px auto 0; border-radius: 50%; background: var(--c-art); color: var(--c-on-art); font-family: var(--f-hand); font-size: 30px; line-height: 1; box-shadow: inset 0 0 0 2px var(--c-on-art), 0 0 0 2px var(--c-art); }
.ql-hero__line { max-width: 54ch; margin: 22px auto 0; font-size: 17px; font-weight: 600; line-height: 1.5; }
.ql-hero__intro { max-width: 60ch; margin: 22px auto 0; font-size: 16px; line-height: 1.6; color: var(--c-body); }
.ql-hero__role { margin-top: 26px; }
.ql-hero__role .cs-h4 { margin-bottom: 10px; }

/* Three sun marks as the section break, in place of the hearts */
.ql-marks { display: flex; justify-content: center; gap: 12px; margin: clamp(48px, 7vw, 80px) 0 0; }
.ql-marks i { width: 22px; height: 22px; border-radius: 50%; background: var(--c-art); box-shadow: inset 0 0 0 2px var(--c-card), 0 0 0 1.5px var(--c-art); }
.ql-marks i:nth-child(2) { transform: translateY(-5px); }

.ql-mono { margin: 24px 0 0; font-family: var(--f-mono); font-size: 14px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--c-art); text-align: center; }
.ql-mono--big { font-size: clamp(16px, 2.2vw, 22px); line-height: 1.5; }
.ql-state { max-width: 44ch; margin: 18px auto 0; font-size: clamp(22px, 2.8vw, 30px); font-weight: 600; line-height: 1.3; text-align: center; }
.ql-state b { color: var(--c-art); }
.ql-hand { max-width: 40ch; margin: 18px auto 0; font-family: var(--f-hand); font-size: clamp(24px, 3vw, 34px); line-height: 1.25; text-align: center; }

.ql-band { position: relative; margin-top: clamp(32px, 5vw, 56px); padding: clamp(32px, 5vw, 64px) 0; background: var(--c-art-tint); overflow: hidden; }
.ql-band--paper { background: var(--c-paper-2); border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.ql-band .ph--phone { max-width: 280px; }
.ql-band .ql-mascot { position: absolute; left: clamp(16px, 5vw, 80px); bottom: 24px; margin: 0; }
.ql-band--paper .ql-mascot { left: auto; right: clamp(16px, 5vw, 80px); }

.ql-feat { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: clamp(28px, 5vw, 64px); align-items: center; margin-top: clamp(48px, 6vw, 80px); }
.ql-feat--flip { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
.ql-feat--flip > :first-child { order: 2; }
.ql-feat__phone { padding: clamp(20px, 3vw, 40px); background: var(--c-art-tint); }
.ql-feat__phone .ph--phone { max-width: 260px; }
.ql-feat h3 { margin: 0; font-family: var(--f-mono); font-size: 16px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--c-art); }
.ql-feat > div > p { margin: 10px 0 0; font-size: 16px; line-height: 1.6; color: var(--c-body); }
.ql-panel { margin-top: 18px; padding: 18px; background: var(--c-card); border: var(--rule); box-shadow: 6px 6px 0 var(--c-ink); }
.ql-panel .cs-h4 { margin-bottom: 12px; color: var(--c-ink); }
.ql-moods { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.ql-moods .ph { --ar: 4 / 3; border-style: solid; border-width: 1px; }
.ql-tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 16px 0 0; padding: 0; list-style: none; }
.ql-tiles li { padding: 12px 8px; background: var(--c-paper-2); text-align: center; }
.ql-tiles b { display: block; font-family: var(--f-sign); font-size: 26px; line-height: 1; }
.ql-tiles span { display: block; margin-top: 4px; font-family: var(--f-mono); font-size: 12px; color: var(--c-muted); }
.ql-check { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; }
.ql-check li { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; background: var(--c-paper-2); font-size: 14px; line-height: 1.45; }
.ql-check li::before { content: "✓"; flex-shrink: 0; font-family: var(--f-mono); color: var(--c-art); }

.ql-big { margin: 18px 0 0; font-family: var(--f-sign); font-size: clamp(72px, 12vw, 160px); line-height: .9; color: var(--c-art); text-align: center; }
.ql-big + .ql-mono { margin-top: 10px; }
.ql-bubbles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; max-width: 980px; margin: 36px auto 0; padding: 0; list-style: none; }
.ql-bubbles .bubble { height: 100%; font-size: 17px; }

.ql-map { max-width: 980px; margin: 24px auto 0; }
.ql-map .ph { --ar: 16 / 8; border: 2px solid var(--c-ink); background: var(--c-card); }
.ql-map .ph--wide { --ar: 16 / 7; }

.ql-build { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; max-width: 980px; margin: 28px auto 0; }
.ql-build h3 { margin: 0 0 12px; font-family: var(--f-mono); font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }
.ql-build ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; }
.ql-build li { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px 8px; background: var(--c-card); border: 1px solid var(--c-line); font-family: var(--f-mono); font-size: 12px; text-align: center; }
.ql-build li i { width: 36px; height: 36px; border-radius: 50%; background: var(--c-art-tint); border: 1.5px solid var(--c-art); }
.ql-build li.is-on { border-color: var(--c-ink); background: var(--c-paper-2); }

.ql-three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; max-width: 900px; margin: 32px auto 0; padding: 0; list-style: none; }
.ql-three .ph--phone { max-width: 260px; }
.ql-cta { display: flex; justify-content: center; margin-top: 28px; }
.ql-cta a { font-family: var(--f-sign); font-size: 26px; letter-spacing: .04em; text-transform: uppercase; text-decoration: underline; text-decoration-color: var(--c-art); text-decoration-thickness: 3px; text-underline-offset: 6px; }
.ql-list { max-width: 720px; margin: 20px auto 0; padding: 0; list-style: none; }
.ql-list li { margin-bottom: 14px; font-size: 16px; line-height: 1.6; color: var(--c-body); }
.ql-list b { color: var(--c-ink); }

/* =================================================================== Responsive */
@media (max-width: 899px) {
  .cs-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
  .cs-cards { --cols: 1 !important; }
  .fr-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fr-steps { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; }
  .fr-step { padding: 10px 2px; font-size: 12px; }
  .fr-constraints { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fr-pair__row { gap: 16px; }
  .fr-grid2 { grid-template-columns: minmax(0, 1fr); }
  .fr-walk { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .fr-walk__fig { position: static; }
  .fr-walk__item, .fr-walk__item:first-child, .fr-walk__item:last-child { min-height: 0; padding: 18px 0; border-top: 1px solid var(--c-line); }
  .fr-take__rows { grid-template-columns: minmax(0, 1fr); padding-left: 0; }
  .fr-take__row .ph { --ar: 16 / 7; }
  .fr-lessons { grid-template-columns: minmax(0, 1fr); }
  .ds-hero__phones .ph--phone { width: 170px; }
  .ds-feat, .ds-feat--flip { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .ds-feat--flip > :first-child { order: 0; }
  .ds-feat .ph--phone { max-width: 220px; }
  .ds-ba { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr); gap: 6px; padding: 16px; }
  .ds-ba__arrow { font-size: 18px; }
  .ds-four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ds-task { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .ds-task__score { flex-direction: row; align-items: center; gap: 16px; }
  .ex-collage__sheet { width: 220%; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
  .ex-split { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .ex-proto__body { grid-template-columns: minmax(0, 1fr); text-align: center; }
  .ex-proto__body .ph--phone { margin-inline: auto; }
  .ex-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .ex-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ex-contact p { text-align: left; }
  .ql-feat, .ql-feat--flip { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .ql-feat--flip > :first-child { order: 0; }
  .ql-moods { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .ql-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ql-bubbles { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .ql-build { grid-template-columns: minmax(0, 1fr); }
  .ql-three { gap: 12px; }
  .ql-three .ph--phone { border-width: 4px; border-radius: 18px; }
}
@media (max-width: 600px) {
  .cs-stats { grid-template-columns: minmax(0, 1fr); }
  .fr-meta { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .fr-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .fr-step + .fr-step::before { display: none; }
  .fr-constraints { grid-template-columns: minmax(0, 1fr); }
  .fr-pair__row { grid-template-columns: minmax(0, 1fr); }
  .ds-ba { grid-template-columns: minmax(0, 1fr); }
  .ds-ba__arrow { transform: rotate(90deg); text-align: center; }
  .ds-four { grid-template-columns: minmax(0, 1fr); }
  .ql-check { grid-template-columns: minmax(0, 1fr); }
  .ql-three { grid-template-columns: minmax(0, 1fr); }
  .ql-three .ph--phone { max-width: 220px; }
  .cs-note span:last-child { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .ex-marquee span { animation: none; }
  .ds-tabs a { transition: none; }
}

/* =================================================================== Overview: the same five facts on every template */
.cs-overview { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(20px, 3vw, 40px); align-items: start; margin-top: 28px; }
.cs-overview--stack { grid-template-columns: minmax(0, 1fr); }
.cs-overview__media { position: relative; margin: 0; }
.cs-overview__media .ph { --ar: 16 / 9; }
.cs-overview__media .ph--phone { --ar: 9 / 19; }
.cs-overview__media--phones { display: flex; justify-content: center; align-items: flex-end; padding: clamp(20px, 3vw, 40px); background: radial-gradient(ellipse at 50% 30%, var(--c-card) 0%, var(--c-paper-2) 70%); border: 1px solid var(--c-line); }
.cs-overview__media--phones .ph--phone { width: 220px; margin: 0; }
.cs-overview__media--phones .ph--phone:first-child { transform: rotate(-6deg) translateX(18px); z-index: 2; }
.cs-overview__media--phones .ph--phone:last-child { transform: rotate(6deg) translateX(-18px); opacity: .9; }
.cs-play { position: absolute; z-index: 3; left: 50%; top: 50%; width: 64px; height: 64px; display: grid; place-items: center; transform: translate(-50%, -50%); border: var(--rule); border-radius: 50%; background: var(--c-card); color: var(--c-ink); box-shadow: var(--shadow-card); transition: transform var(--dur-press) var(--ease-out), background-color var(--dur-hover) var(--ease-out); }
.cs-play svg { width: 22px; height: 22px; margin-left: 3px; }
.cs-play:active { transform: translate(-50%, -50%) scale(.95); }
@media (hover: hover) and (pointer: fine) { .cs-play:hover { background: var(--c-paper); } }
.cs-overview__media figcaption { margin-top: 10px; font-family: var(--f-mono); font-size: 13px; color: var(--c-muted); }
.cs-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin: 0; border-top: var(--rule); border-left: var(--rule); }
.cs-overview--stack .cs-facts, .cs-facts--row { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 24px; }
.cs-facts > div { min-width: 0; padding: 16px 18px 18px; border-right: var(--rule); border-bottom: var(--rule); background: var(--c-card); }
.cs-facts dt { font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--c-art); }
.cs-facts dd { margin: 6px 0 0; font-size: 15px; line-height: 1.5; color: var(--c-body); }
.cs-facts dd b { color: var(--c-ink); }
.cs-facts dd + dd { margin-top: 2px; font-family: var(--f-mono); font-size: 13px; color: var(--c-muted); }

/* =================================================================== Quick nav: a signpost rail, or a sheet on phones */
.qnav { position: fixed; right: max(14px, env(safe-area-inset-right, 0px)); top: 50%; z-index: 40; transform: translateY(-50%); }
.qnav__list { display: flex; flex-direction: column; gap: 4px; margin: 0; padding: 0; list-style: none; }
.qnav__link { position: relative; display: flex; align-items: center; justify-content: flex-end; gap: 10px; min-height: 28px; padding: 4px 2px; color: var(--c-ink); text-decoration: none; }
.qnav__dot { width: 10px; height: 10px; flex-shrink: 0; border-radius: 50%; border: 1.5px solid var(--c-ink); background: var(--c-paper); transition: background-color var(--dur-hover) var(--ease-out), transform var(--dur-press) var(--ease-out); }
.qnav__label { padding: 5px 10px; background: var(--c-card); border: var(--rule); box-shadow: 3px 3px 0 var(--c-ink); font-family: var(--f-mono); font-size: 12px; white-space: nowrap; opacity: 0; transform: translateX(6px); transition: opacity var(--dur-ui) var(--ease-out), transform var(--dur-ui) var(--ease-out); pointer-events: none; }
.qnav__link[aria-current] .qnav__dot { background: var(--c-art); border-color: var(--c-art); transform: scale(1.3); }
.qnav__link[aria-current] .qnav__label, .qnav__link:hover .qnav__label, .qnav__link:focus-visible .qnav__label, .qnav:hover .qnav__label { opacity: 1; transform: none; }
.qnav__link:active .qnav__dot { transform: scale(.9); }
.qnav__link:focus-visible { outline: none; }
.qnav__link:focus-visible .qnav__dot { outline: 2px solid var(--c-ink); outline-offset: 3px; }
.qnav__toggle, .qnav__sheet, .qnav__scrim { display: none; }
.qnav__toggle { position: fixed; left: 50%; bottom: max(16px, env(safe-area-inset-bottom, 0px)); z-index: 42; transform: translateX(-50%); min-height: 44px; padding: 0 16px 0 14px; align-items: center; gap: 10px; background: var(--c-ink); color: var(--c-card); border: 0; border-radius: var(--radius-pill); box-shadow: var(--shadow-card); font-family: var(--f-mono); font-size: 13px; cursor: pointer; transition: transform var(--dur-press) var(--ease-out); }
.qnav__toggle:active { transform: translateX(-50%) scale(.97); }
.qnav__toggle svg { width: 16px; height: 16px; }
.qnav__toggle b { font-weight: 500; max-width: 50vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qnav__scrim { position: fixed; inset: 0; z-index: 41; background: rgba(22, 20, 19, .45); opacity: 0; transition: opacity var(--dur-modal) var(--ease-out); }
.qnav__sheet { position: fixed; left: 0; right: 0; bottom: 0; z-index: 43; max-height: 70vh; overflow: auto; padding: 14px max(16px, env(safe-area-inset-right, 0px)) max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); background: var(--c-card); border-top: var(--rule); border-radius: 14px 14px 0 0; transform: translateY(100%); transition: transform var(--dur-modal) var(--ease-drawer); }
.qnav__sheet-h { display: flex; align-items: center; justify-content: space-between; margin: 0 0 6px; font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--c-muted); }
.qnav__close { min-width: 44px; min-height: 44px; display: grid; place-items: center; border: 0; background: none; cursor: pointer; }
.qnav__close svg { width: 16px; height: 16px; }
.qnav__sheet .qnav__list { gap: 0; }
.qnav__sheet .qnav__link { justify-content: flex-start; min-height: 48px; padding: 0 4px; border-top: 1px solid var(--c-line); font-size: 16px; }
.qnav__sheet .qnav__label { opacity: 1; transform: none; padding: 0; border: 0; box-shadow: none; background: none; font-family: var(--f-body); font-size: 16px; }
.qnav__sheet .qnav__link[aria-current] .qnav__label { font-weight: 600; }
.qnav.is-open .qnav__scrim { opacity: 1; }
.qnav.is-open .qnav__sheet { transform: none; }
@media (max-width: 1099px) {
  .qnav { right: auto; top: auto; transform: none; }
  .qnav__rail { display: none; }
  .qnav__toggle { display: inline-flex; }
  .qnav__scrim, .qnav__sheet { display: block; }
  .qnav:not(.is-open) .qnav__scrim { pointer-events: none; }
  body.pg { padding-bottom: 72px; }
}

/* =================================================================== Reveals (opacity and 12px of travel, once, from 15% in view) */
.js [data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity var(--dur-reveal) var(--ease-reveal) .1s, transform var(--dur-reveal) var(--ease-reveal) .1s; }
.js [data-reveal="media"] { transform: scale(.98); }
.js [data-reveal="hero"] { transition-duration: var(--dur-hero); transition-delay: 0s; }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-reveal-group] > * { opacity: 0; transform: translateY(12px); transition: opacity var(--dur-reveal) var(--ease-reveal) .1s, transform var(--dur-reveal) var(--ease-reveal) .1s; }
.js [data-reveal-group="media"] > * { transform: scale(.98); }
.js [data-reveal-group].is-in > * { opacity: 1; transform: none; }
.js [data-reveal-group].is-in > :nth-child(2) { transition-delay: .2s; }
.js [data-reveal-group].is-in > :nth-child(3) { transition-delay: .3s; }
.js [data-reveal-group].is-in > :nth-child(4) { transition-delay: .4s; }
.js [data-reveal-group].is-in > :nth-child(5) { transition-delay: .5s; }
@media (max-width: 600px) {
  .js [data-reveal], .js [data-reveal-group] > * { transform: translateY(8px); }
  .js [data-reveal-group].is-in > * { transition-delay: .1s; }
}
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal], .js [data-reveal="media"], .js [data-reveal-group] > *, .js [data-reveal-group="media"] > * { transform: none; transition: opacity 300ms linear; }
  .js [data-reveal-group].is-in > * { transition-delay: 0s; }
  .js .fr-walk__fig .ph:not(.is-on) { filter: none; transform: none; }
  .qnav__sheet { transition: none; }
  .qnav__label { transform: none; transition: opacity 150ms linear; }
}

/* Responsive rules for the blocks above (kept last so they win the cascade) */
@media (max-width: 899px) {
  .cs-overview { grid-template-columns: minmax(0, 1fr); }
  .cs-overview--stack .cs-facts, .cs-facts--row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cs-overview__media--phones .ph--phone { width: 150px; }
}
@media (max-width: 600px) {
  .cs-facts, .cs-overview--stack .cs-facts, .cs-facts--row { grid-template-columns: minmax(0, 1fr); }
}

/* =================================================================== Alignment pass */
/* C: band content shares the page column (148px in from either side at 1440), not the band's own gutter */
.ex-bleed > * { max-width: 1144px; margin-left: auto; margin-right: auto; }
.ex-bleed > .ex-grid { margin: 0 auto; }
.ex-bleed > .ex-grid + .ex-grid { margin-top: 20px; }
.ex-bleed > .ex-bleed__title { margin: 0 auto 24px; }
.ex-bleed > .cs-facts { margin: 24px auto 0; }
.ex-bleed > .cs-overview__media, .ex-bleed > .ex-proto { margin-left: auto; margin-right: auto; }
.ex-findings .ex-grid { padding: 0; list-style: none; }
/* B: the Outcome chapter keeps full-width dividers, with its reading column centred like the rest of the page */
.cs-b .wrap--text { max-width: none; }
.cs-b .wrap--text > :not(.cs-divider) { max-width: 720px; margin-left: auto; margin-right: auto; }

/* =================================================================== Disclosure: the NDA kit */
.cs-disc { display: inline-flex; align-items: center; gap: 8px; min-height: 30px; padding: 0 12px 0 10px; border-radius: var(--radius-pill); font-family: var(--f-mono); font-size: 12px; letter-spacing: .04em; }
.cs-disc svg { width: 14px; height: 14px; flex-shrink: 0; }
.cs-disc--open { background: var(--c-ink); color: var(--c-card); }
.cs-disc--nda { border: 1.5px solid var(--c-art); color: var(--c-art); }
.cs-facts dd .cs-disc { margin-top: 8px; }
/* A slot that cannot be shown as is: hatched, with a lock and the reason */
.ph--redacted { background: var(--c-card); color: var(--c-ink); border: 1.5px solid var(--c-ink); }
.ph--redacted::before { background: repeating-linear-gradient(135deg, transparent 0 10px, rgba(174, 45, 35, .12) 10px 11px); }
.ph--redacted > span { display: flex; flex-direction: column; align-items: center; gap: 8px; max-width: 32ch; }
.ph--redacted svg { width: 22px; height: 22px; color: var(--c-art); }
.ph--redacted small { display: block; font-size: 12px; color: var(--c-muted); }
.ph--redacted.ph--phone { border-width: 6px; }

/* Direction stats ("Days → min"): words, so a step smaller than digits */
.cs-stat__v--word { font-size: clamp(32px, 3.8vw, 52px); }