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:root{color-scheme:light;--ink:#333333;--muted:#5c6466;--paper:#ffffff;--line:#dce1df;--image-background:radial-gradient(ellipse at 50% 48%,rgba(178,210,169,.27) 0%,rgba(178,210,169,.42) 50%,rgba(139,194,151,.38) 100%);--accent:#edf4eb;--brand:#234728}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Roboto,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--brand);outline-offset:5px}.skip{position:absolute;top:-100px;left:20px;background:white;padding:12px;z-index:20}.skip:focus{top:12px}.topbar{max-width:1440px;margin:auto;padding:26px 5.3%;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:15px;text-decoration:none}.brand img{object-fit:contain;flex-shrink:0}.name{font-size:16px;font-weight:800;letter-spacing:0}.project{font-size:12px;letter-spacing:2px}.language{display:flex;align-items:center;gap:8px}.language button{border:0;background:transparent;cursor:pointer;padding:6px;color:var(--muted);font-size:14px}.language button[aria-pressed=true]{color:var(--ink);font-weight:700;text-decoration:underline;text-underline-offset:6px}.language span{color:#8f9e9f}main{max-width:1440px;margin:auto;padding:0 5.3%}.intro{display:grid;grid-template-columns:1.1fr 1fr;gap:8%;padding:64px 0 46px;align-items:end}.eyebrow{font-size:12px;letter-spacing:2.5px;margin:0 0 18px;font-weight:600}h1{font-weight:700;font-size:clamp(30px,3vw,42px);line-height:1.3;letter-spacing:-.6px;margin:0}.intro-copy{max-width:460px;padding-bottom:4px}.intro-copy p{font-size:17px;margin:0 0 22px;color:var(--muted)}.scope{font-size:13px;letter-spacing:.4px}.section-nav{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:42px}.section-nav a{display:flex;gap:14px;padding:18px 12px;text-decoration:none;transition:background .2s}.section-nav a:hover{background:var(--accent)}.section-nav a:first-child{padding-left:0}.section-nav span{font-size:12px;color:var(--muted);padding-top:3px}.section-nav b{font-size:14px;font-weight:500}.modules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:54px 30px}.module{min-width:0;scroll-margin-top:24px}.media{aspect-ratio:4/3;background:var(--image-background);position:relative;overflow:hidden;border-radius:3px}.media img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .5s}.media:hover img{transform:scale(1.025)}.media.screen{background:var(--image-background)}.media.screen img{padding:24px}.media video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:var(--image-background)}.media video[hidden]{display:none}.media .play{position:absolute;bottom:18px;left:18px;display:flex;align-items:center;gap:10px;background:#fff;color:var(--ink);border:0;border-radius:50px;cursor:pointer;padding:10px 17px;font-size:14px;box-shadow:0 4px 18px #0002}.play:hover{background:var(--accent)}.play-symbol{font-size:12px}.index{position:absolute;top:18px;left:20px;font-size:13px;color:white;letter-spacing:1px;background:#333c;padding:3px 9px;border-radius:3px}.medium{position:absolute;top:20px;right:20px;font-size:12px;color:white;letter-spacing:1px;background:#333c;padding:3px 9px;border-radius:3px}.module-content{padding:23px 1px 0}.value-line{font-size:17px;line-height:1.6;font-weight:500;color:var(--muted);margin:0 0 14px}.module h3{font-size:28px;letter-spacing:-.3px;line-height:1.35;font-weight:700;margin:0 0 10px;overflow-wrap:break-word}.description{margin:0 0 16px;color:var(--muted);font-size:16px;max-width:530px}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:21px}.tags span{font-size:14px;line-height:1.5;border:1px solid var(--line);padding:5px 9px;border-radius:3px;color:var(--muted)}.actions{border-top:1px solid var(--line);padding-top:15px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:14px}.actions a{text-decoration-thickness:1px;text-underline-offset:5px}.actions a:hover{color:var(--brand)}.scenario{color:var(--muted)}.close-video{border:0;background:transparent;text-decoration:underline;text-underline-offset:5px;color:var(--muted);cursor:pointer;padding:0}.close-video[hidden]{display:none}.error{font-size:14px;background:#fff5dc;padding:10px 14px;color:#4a3b14}.error[hidden]{display:none}footer{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:70px;padding:25px 0 35px;font-size:12px;letter-spacing:1px}footer a{font-size:14px;letter-spacing:0;text-decoration:none}@media(min-width:1600px){.intro{padding-top:80px}}@media(max-width:760px){.topbar{padding:20px 6%}.project{display:none}main{padding:0 6%}.intro{grid-template-columns:1fr;gap:25px;padding:38px 0 30px}h1{font-size:32px}.intro-copy{max-width:100%}.intro-copy p{font-size:16px;margin-bottom:14px}.section-nav{grid-template-columns:repeat(2,1fr);margin-bottom:28px}.section-nav a{padding:12px 8px!important}.section-nav a:nth-child(-n+2){border-bottom:1px solid var(--line)}.modules{grid-template-columns:1fr;gap:38px}.module-content{padding-top:18px}.module h3{font-size:25px}.value-line{font-size:16px}.media.screen img{padding:12px}footer{margin-top:44px}.medium{right:12px;top:12px}.index{left:12px;top:12px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.case-opening{padding:56px 0 64px}.case-label{font-size:14px;color:var(--brand);margin:0 0 14px}.case-opening h1{font-size:clamp(32px,5vw,68px);line-height:1.12;letter-spacing:-1.5px;overflow-wrap:anywhere}.case-tagline{font-size:clamp(19px,2.2vw,28px);line-height:1.5;margin:20px 0 32px}.case-hero{margin:0;background:var(--image-background);border-radius:5px;overflow:hidden}.case-hero img{display:block;width:100%;height:auto}.case-hero figcaption{padding:10px 20px;font-size:14px;color:var(--muted)}.case-overview{display:grid;grid-template-columns:1fr;gap:28px;padding-top:42px;max-width:880px}.case-overview h2{font-size:20px;margin:0 0 16px}.case-overview p{font-size:16px;line-height:1.9;color:var(--muted);margin:0}.case-overview .case-role{font-size:14px;color:var(--brand);font-weight:600;margin-bottom:12px}.module-heading{border-top:1px solid var(--line);padding:40px 0 26px}.module-heading h2{font-size:30px;margin:0}.module-heading .eyebrow{margin-bottom:10px}@media(max-width:760px){.case-opening{padding:32px 0 38px}.case-opening h1{letter-spacing:-.8px}.case-tagline{margin:16px 0 24px}.case-overview{grid-template-columns:1fr;gap:28px;padding-top:28px}.case-hero figcaption{padding:9px 12px}.module-heading{padding-top:28px}}

.case-contribution h3{font-size:17px;line-height:1.5;margin:0 0 12px;font-weight:600}.case-overview .case-contribution p{max-width:880px}

.module-credit{font-size:14px;color:var(--muted);margin:0 0 14px}.module-credit.led{color:var(--brand);font-weight:600}.actions .play{border:0;background:none;padding:0;color:var(--muted);font-size:14px;text-decoration:underline;text-underline-offset:5px;cursor:pointer}.actions .play[hidden]{display:none}.module .description{min-height:5em}.module-content h3{margin-bottom:8px}@media(max-width:760px){.module .description{min-height:0}}

.media.poster-media{aspect-ratio:16/9}.poster-open{display:block;width:100%;height:100%;padding:0;border:0;background:none;cursor:zoom-in}.media.screen.poster-media img{padding:0;object-fit:contain}.media.poster-media:hover img{transform:none}.poster-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 0;font-size:14px}.poster-controls button,.poster-close{min-height:44px;min-width:44px;padding:8px 12px;border:1px solid var(--line);border-radius:4px;background:white;color:var(--brand);cursor:pointer;font:inherit}.poster-count,.large-count{font-variant-numeric:tabular-nums}.poster-toggle{margin-left:auto}.poster-dialog{width:min(1200px,96vw);max-height:94vh;padding:16px;border:0;border-radius:6px;background:white;color:var(--ink)}.poster-dialog::backdrop{background:#122418cc}.poster-dialog>img{display:block;width:100%;max-height:72vh;object-fit:contain}.poster-close{display:block;margin-left:auto;margin-bottom:12px}.poster-dialog .poster-controls{justify-content:center}

/* Media controls and the original pale-green presentation background. */
.media.poster-media{aspect-ratio:4/3;background:var(--image-background)}
.media.screen.poster-media .poster-open img{padding:24px;width:100%;height:100%;object-fit:contain}
.media .poster-toggle,.media .poster-enlarge{position:absolute;bottom:18px;z-index:2;min-height:44px;background:#fff;color:var(--ink);border:0;box-shadow:0 4px 18px #0002;cursor:pointer;font:inherit;font-size:14px}
.media .poster-toggle{left:18px;border-radius:50px;padding:10px 17px;margin:0}
.media .poster-enlarge{right:18px;border-radius:50%;width:44px;display:grid;place-items:center;padding:0}
.media .poster-toggle:hover,.media .poster-enlarge:hover{background:var(--accent)}
.poster-controls{justify-content:center}
@media(max-width:760px){.media.screen.poster-media .poster-open img{padding:12px}}

.decisions{margin-top:72px;padding-top:42px;border-top:1px solid var(--line);scroll-margin-top:28px}.decisions>h2{font-size:30px;line-height:1.4;margin:0 0 36px}.decision{display:grid;grid-template-columns:48px minmax(0,1fr);gap:20px;padding:30px 0;border-top:1px solid var(--line)}.decision-number{font-size:14px;color:var(--brand);padding-top:5px}.decision h3{font-size:24px;line-height:1.5;margin:0 0 20px}.decision-copy{max-width:820px}.decision-copy p{font-size:16px;line-height:1.85;color:var(--muted);margin:0 0 16px}.decision-copy .decision-label{font-size:14px;font-weight:600;color:var(--brand);margin:18px 0 5px}.decision-link{display:inline-block;margin-top:5px;font-size:14px;text-underline-offset:5px}.channel-map{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0 0}.channel-map li{padding:20px;background:var(--image-background);border-radius:4px}.channel-map strong,.channel-map span{display:block;font-size:16px}.channel-map span{margin-top:8px;color:var(--muted)}.research-note{border-left:3px solid #b2d2a9;padding:8px 0 8px 24px;margin:28px 0 0;max-width:900px}.research-note h3{font-size:18px;margin:0 0 12px}.research-note p{font-size:16px;line-height:1.85;color:var(--muted);margin:0}@media(max-width:760px){.decisions{margin-top:44px;padding-top:28px}.decision{grid-template-columns:1fr;gap:8px}.decision h3{font-size:22px}.channel-map{grid-template-columns:1fr}.research-note{padding-left:18px}}

/* Research-to-design evidence: original interface details, responsive crops. */
.decision-visual{margin:28px 0 20px;background:var(--image-background);border-radius:5px;overflow:hidden}.decision-visual img{display:block;width:100%;height:auto}.decision-visual a{display:block;cursor:zoom-in}.decision-visual figcaption{padding:14px 20px;font-size:14px;color:var(--muted)}
.support-evidence{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;margin:28px 0 20px;padding:28px;background:var(--image-background);border-radius:5px;align-items:start}.support-evidence figure{margin:0;min-width:0}.support-evidence h4{font-size:18px;margin:0 0 16px;color:var(--brand)}.support-evidence figcaption{font-size:15px;color:var(--muted);line-height:1.75;margin-top:16px}.evidence-crop{position:relative;overflow:hidden;background:#f2f2f2;border-radius:3px}.evidence-crop img{position:absolute;max-width:none;height:auto;display:block}.chat-crop{aspect-ratio:850/640}.chat-crop img{width:169.4118%;left:-61.1765%;top:-45.3125%}.settings-crop{aspect-ratio:500/190}.settings-crop img{width:288%;left:-104%;top:-277.8947%}
@media(max-width:760px){.support-evidence{grid-template-columns:1fr;padding:18px;gap:28px}.decision-visual figcaption{padding:12px 14px}.support-evidence h4{font-size:17px}}

.outcomes{border-top:1px solid var(--line);margin-top:64px;padding-top:42px;scroll-margin-top:28px}.outcomes>h2{font-size:30px;margin:0 0 28px}.outcomes>h3{font-size:24px;line-height:1.5;margin:0 0 16px}.outcomes-intro{max-width:820px;color:var(--muted);line-height:1.85;margin:0 0 28px}.deliverables-list{margin:0 0 30px}.deliverables-list>div{display:grid;grid-template-columns:220px 1fr;gap:24px;border-top:1px solid var(--line);padding:22px 0}.deliverables-list dt{font-weight:600;color:var(--brand)}.deliverables-list dd{margin:0;color:var(--muted);max-width:720px}.outcome-links{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin:0 0 32px}.outcome-links a{padding:12px 0;text-underline-offset:5px}.outcome-links .primary-link{padding:12px 20px;background:var(--brand);color:white;border-radius:4px;text-decoration:none}.outcome-links .primary-link:hover{background:#315e38}.validation-note{background:var(--image-background);border-radius:4px;padding:24px 28px;max-width:980px}.validation-note h3{font-size:17px;margin:0 0 10px;color:var(--brand)}.validation-note p{margin:0;color:var(--muted);font-size:15px;line-height:1.85}@media(max-width:760px){.outcomes{margin-top:40px;padding-top:28px}.outcomes>h3{font-size:22px}.deliverables-list>div{grid-template-columns:1fr;gap:8px;padding:18px 0}.validation-note{padding:20px}.outcome-links{align-items:flex-start;gap:8px;flex-direction:column}}

.flow-open{display:block;width:100%;padding:0;border:0;background:transparent;cursor:zoom-in}.flow-dialog{border:0;border-radius:6px;padding:48px 12px 12px;width:min(1440px,94vw);max-width:94vw;max-height:94vh;background:#f0f6ee;overflow:auto}.flow-dialog::backdrop{background:rgba(18,36,24,.76)}.flow-dialog img{display:block;width:100%;height:auto}.flow-close{position:absolute;right:8px;top:4px;display:grid;place-items:center;width:44px;height:40px;font-size:28px;line-height:1;border:0;background:transparent;color:var(--brand);cursor:pointer}body:has(.flow-dialog[open]){overflow:hidden}

/* Overlay pagination keeps module headings aligned. */
.media>.poster-controls{position:absolute;top:12px;left:50%;transform:translateX(-50%);z-index:2;flex-wrap:nowrap;gap:4px;padding:0 4px;background:rgba(255,255,255,.96);border-radius:28px;box-shadow:0 2px 12px #0001}.media>.poster-controls button{border:0;background:transparent;border-radius:50%;padding:8px;min-width:44px;min-height:44px}.media>.poster-controls button:hover{background:var(--accent)}.media>.poster-controls .poster-count{min-width:44px;text-align:center}