/* IRTH: an editorial commerce case study, framed by the shared portfolio nav. */
html:has(.irth-case),body.irth-case{overflow-x:clip}
.supporting-exports{display:grid;grid-template-columns:1fr 1fr;gap:32px;border-top:1px solid var(--line);margin-top:50px;padding-top:35px}.supporting-exports figure{display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:center}.supporting-exports .screen-button{height:180px;overflow:hidden;background:#e4dcd1;padding:10px}.supporting-exports figcaption>.eyebrow{font-size:8px}.supporting-exports h3{font-size:23px;margin-block:12px}.supporting-exports p{font-size:12px;color:var(--muted);line-height:1.6}.export-action{display:block;font:10px var(--mono);color:var(--wine);margin-top:15px}@media(max-width:800px){.supporting-exports{grid-template-columns:1fr}}@media(max-width:520px){.supporting-exports figure{grid-template-columns:90px 1fr;gap:20px}.supporting-exports .screen-button{height:160px;padding:6px}}
@font-face{font-family:IRTHSans;src:local("Helvetica Neue");font-display:swap}
@font-face{font-family:IRTHSerif;src:local("Iowan Old Style"),local("Baskerville");font-display:swap}
:root{--paper:#f4f0e9;--ink:#302721;--muted:#6c6159;--wine:#751034;--wine-deep:#510e27;--line:#d8cfc5;--rose:#d8bcb8;--mono:ui-monospace,SFMono-Regular,Menlo,monospace}
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.journey-section{background:#29211e;color:var(--paper)}.journey-section .eyebrow{color:#d8b4a7}.journey{display:grid;grid-template-columns:repeat(4,1fr);margin-top:45px;border:1px solid #69574c}.journey article{padding:30px 26px;border-right:1px solid #69574c}.journey article:last-child{border:0}.journey article>span{font:10px var(--mono);color:#cfb5a7}.journey h3{font-size:27px;margin-block:25px 14px}.journey p{font-size:13px;color:#c3b5ab;line-height:1.65}.journey-focus{background:#65273a}.journey-focus p{color:#e4cbd0}.journey-bottom{display:grid;grid-template-columns:1.2fr 1fr;gap:90px;margin-top:30px;font-size:15px;color:#c8bdb3}.journey-section .source-note{color:#bbaa9d}.journey-bottom .source-note{margin:0}.route-heading{margin-top:88px}.route-heading h3{margin-top:15px;font-size:32px}.routes{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #69574c;margin-top:30px}.routes article{padding:32px 40px 24px 0}.routes article+article{padding-left:40px;border-left:1px solid #69574c}.route-tag{font:9px var(--mono);color:#d8b4a7}.routes h3{font-size:34px;margin-block:24px}.routes p{color:#c8bdb3;font-size:15px}.routes dl{margin-top:30px}.routes dl>div{display:grid;grid-template-columns:75px 1fr;gap:15px;margin-top:15px}.routes dt{font-size:9px;color:#d8b4a7;padding-top:3px}.routes dd{color:#c8bdb3}.route-expanded h3{color:#e4bcc7}
.detail-tabs{display:flex;border-bottom:1px solid var(--line);gap:8px;overflow-x:auto}.detail-tabs button{border:0;border-bottom:2px solid transparent;white-space:nowrap;background:none;padding:18px 18px 17px;font:11px var(--mono);color:var(--muted)}.detail-tabs button:first-child{padding-left:0}.detail-tabs button[aria-selected=true]{border-bottom-color:var(--wine);color:var(--wine)}.detail-panel{display:grid;grid-template-columns:.85fr 1.4fr;gap:64px;padding-top:45px;align-items:start}.detail-copy{padding-top:18px}.detail-copy h3{font-size:38px;margin-block:24px}.detail-copy>p{color:var(--muted);font-size:15px}.detail-value{margin-top:32px;border-top:1px solid var(--line);padding-top:22px}.detail-value p{font-size:17px;line-height:1.5;margin-top:12px}.detail-copy .detail-behaviour{font-size:12px;line-height:1.65;margin-top:25px}.detail-visual{padding:24px 24px 0;background:#e4dcd1}.detail-visual>.screen-button{height:490px;overflow:hidden;display:flex;align-items:flex-start;justify-content:center;background:#f8f9fb}.detail-visual>.screen-button img{width:100%;height:auto}.detail-visual.is-phone>.screen-button img{width:auto;height:490px;max-width:100%;object-fit:contain;object-position:top}.detail-visual figcaption{display:flex;justify-content:space-between;gap:10px;font:9px var(--mono);color:var(--muted);padding:18px 0}.detail-visual.is-phone{background:#e4ccd0}
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@media(max-width:1100px){.shell{width:calc(100% - 72px)}.hero{padding-inline:36px}.hero-grid{gap:15px}.hero-phone{right:-10px;width:210px;height:485px}.hero-desktop{left:-12px;width:490px;height:310px}.hero-art{height:550px}h1{font-size:76px}.chapters{gap:24px}.intro-grid,.journey-bottom,.craft-grid,.measurement,.impact-intro{gap:45px}.detail-panel{gap:35px}.baseline strong{font-size:62px}.baseline>div{padding-inline:18px}.detail-tabs{gap:0}.detail-tabs button{padding-inline:12px}.craft-screens{gap:16px}.model-controls,.model-results{padding:30px}.model-sub{gap:10px}.model-sub strong{font-size:25px}}
@media(max-width:800px){.section{padding-block:76px}.shell{width:calc(100% - 40px)}.hero{padding:104px 24px 0}.hero-top{padding-bottom:24px}.hero-grid{grid-template-columns:1fr;margin-top:40px;margin-bottom:48px}.hero-copy{max-width:580px}h1{font-size:clamp(65px,11vw,88px)}.hero-deck{max-width:510px}.hero-art{height:580px;max-width:600px;width:100%;margin:40px auto 0}.hero-desktop{width:95%;left:0;top:125px;height:340px}.hero-phone{right:25px;top:60px;width:225px;height:505px}.hero-art-label{margin-top:0}.hero-art-foot{bottom:-10px}.hero-bottom{font-size:8px;gap:18px}.chapters{justify-content:flex-start;overflow-x:auto;gap:26px;padding:16px 20px;top:60px}.intro-grid{grid-template-columns:1fr;gap:24px}.lead{font-size:23px}.project-facts{grid-template-columns:1fr 1fr;row-gap:28px;margin-top:35px}.baseline{grid-template-columns:1fr 1fr;row-gap:20px;margin-top:32px}.baseline>div{padding:15px 22px}.baseline>div:nth-child(2){border:0}.baseline>div:nth-child(3){padding-left:0}.baseline>div:last-child{padding-top:5px}.baseline strong{font-size:64px}.baseline-goal strong{font-size:51px}.heading-row{align-items:flex-start;flex-direction:column}.comparison-card{padding:22px 20px 0}.comparison-card figcaption>b{font-size:20px}.compare-phone{height:465px;border-width:3px}.annotation{padding:18px 20px;margin-inline:-20px;gap:12px}.annotation p{font-size:12px}.comparison-card figcaption>span{font-size:8px;line-height:1.6}.diagnosis-grid{gap:25px}.diagnosis-grid h3{font-size:20px}.customer-note{grid-template-columns:1fr;padding:24px;gap:18px}.customer-note p{font-size:20px}.decision-table{min-width:620px}.journey{grid-template-columns:1fr 1fr}.journey article{border-bottom:1px solid #69574c}.journey article:nth-child(2){border-right:0}.journey article:nth-child(3){border-bottom:0}.journey-bottom{grid-template-columns:1fr;gap:22px}.routes article{padding-right:25px}.routes article+article{padding-left:25px}.routes h3{font-size:29px}.routes dl>div{grid-template-columns:1fr;gap:0}.detail-panel{grid-template-columns:1fr;gap:30px}.detail-copy{padding-top:0}.detail-copy h3{font-size:34px;margin-block:15px 20px}.detail-copy h3 br{display:none}.detail-value{margin-top:20px}.detail-visual>.screen-button{height:470px}.detail-visual.is-phone>.screen-button img{height:470px}.craft-grid{grid-template-columns:1fr;gap:40px}.craft-grid h2 br{display:none}.craft-grid>div>p:not(.eyebrow){max-width:100%}.craft-screens{max-width:550px;margin-inline:auto;gap:25px}.delivery-grid{gap:22px}.delivery-grid h3{font-size:22px}.impact-intro{grid-template-columns:1fr;gap:25px}.business-model{grid-template-columns:1fr 1.1fr}.model-controls,.model-results{padding:25px}.model-controls>label{font-size:12px;align-items:flex-start}.model-controls output{font-size:20px}.model-main>strong{font-size:52px}.model-sub{grid-template-columns:1fr 1fr;gap:22px}.model-sub>div:last-child{grid-column:1/-1}.measurement{grid-template-columns:1fr;gap:25px;margin-top:52px}.measurement h3 br{display:none}.evidence-footer{grid-template-columns:1fr;gap:15px}.next-project a{padding:34px 24px}.next-project strong{font-size:26px}}
@media(max-width:520px){h2{font-size:37px;letter-spacing:-.05em}.hero-top>.eyebrow{font-size:8px}.hero-copy>.eyebrow{font-size:8px;margin-bottom:23px}h1{font-size:67px}.hero-deck{font-size:16px}.hero-art{height:480px;margin-top:35px}.hero-art-label{font-size:7px}.hero-desktop{top:120px;width:430px;left:-40px;height:280px}.hero-phone{right:15px;top:56px;width:184px;height:410px;border-width:5px;border-radius:22px}.hero-art-foot{bottom:-12px;font-size:10px}.hero-art-foot>span:last-child{font-size:28px}.hero-bottom{line-height:1.7}.hero-bottom>span{max-width:60%}.hero-bottom>span:last-child{text-align:right}.hero-grid{margin-bottom:46px}.comparison-grid{grid-template-columns:1fr;gap:26px}.comparison-card{padding:25px 24px 0}.comparison-card figcaption{margin-bottom:22px}.comparison-card figcaption>b{font-size:23px}.comparison-card figcaption>span{font-size:9px}.compare-phone{height:510px;max-width:260px}.annotation{margin-inline:-24px;padding:22px 24px}.annotation p{font-size:13px}.desktop-comparison .screen-button{height:230px}.desktop-comparison .annotation{min-height:0}.diagnosis-grid{grid-template-columns:1fr;gap:28px;margin-top:44px}.diagnosis-grid article+article{border-top:1px solid #c9bcac;padding-top:25px}.diagnosis-grid h3{font-size:25px;margin-block:12px}.journey article{padding:22px 18px}.journey h3{font-size:24px}.journey p{font-size:12px}.journey article>span{font-size:8px}.route-heading{margin-top:55px}.route-heading h3{font-size:29px}.routes{grid-template-columns:1fr}.routes article{padding:28px 0}.routes article+article{padding:28px 0 12px;border-left:0;border-top:1px solid #69574c}.routes h3{font-size:33px;margin-block:20px}.routes dl>div{grid-template-columns:70px 1fr;gap:12px}.detail-visual{padding:15px 15px 0}.detail-visual>.screen-button{height:380px}.detail-visual.is-phone>.screen-button img{height:380px}.detail-visual figcaption{font-size:8px}.craft-screens{gap:14px}.craft-screens .screen-button{border-width:3px}.craft-screens figure:last-child{padding-top:42px}.craft-screens figcaption{font-size:8px}.delivery-grid{grid-template-columns:1fr;gap:28px;margin-top:30px}.delivery-grid h3{font-size:26px;margin-bottom:14px}.business-model{grid-template-columns:1fr}.model-controls,.model-results{padding:28px 24px}.model-main>strong{font-size:67px}.model-sub{grid-template-columns:repeat(3,1fr);gap:12px}.model-sub>div:last-child{grid-column:auto}.model-sub strong{font-size:24px}.model-sub span{font-size:8px}.model-controls>label{font-size:13px}.model-formula{font-size:10px}.next-project{grid-template-columns:1fr}.next-project a+a{border-left:0;border-top:1px solid #69574c}.dialog-bar{padding:12px 15px}.dialog-bar p{font-size:10px}.dialog-image-wrap{padding:12px}}
/* Keep the opening focused on the product, with the full composition visible
   on a laptop and less text wrapping before the first screen on a phone. */
@media(min-width:1101px){
  .hero-grid{margin-block:42px 48px}
  .hero-art{height:520px}
  .hero-desktop{top:108px}
  .hero-phone{top:24px;width:215px;height:480px}
  .hero-art-foot{bottom:-12px}
}
@media(min-width:1600px){.hero-phone{width:225px;height:495px}}
@media(max-width:520px){
  .hero{padding-top:92px}
  .hero-grid{margin-top:30px}
  .hero-copy h1{font-size:clamp(46px,13.3vw,65px)}
  .hero-deck{margin-top:24px}
  .hero-art{margin-top:22px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.rf-pnav,.rf-menu,.g-nav,.g-nav-drawer,.chapters,.skip-link,.next-project,dialog,.segmented{display:none!important}.hero{padding-top:30px}.section{padding-block:40px}.shell{width:100%}.hero-art{display:none}.hero-grid{display:block}.hero-copy{max-width:100%}.hero{background:white;color:var(--ink)}.hero-deck,.hero .eyebrow{color:var(--muted)}.source-note{font-size:10px}.screen-button::after{display:none}}