/* Problem-led pages: editorial reading, real interfaces and tactile imagery. */
.pl,.pl-intro{--pl-paper:#f4f3ef;--pl-ink:#1d1f1c;--pl-forest:#19382f;--pl-coral:#eb623f;--pl-line:#bbbdb3;--pl-pale:#e6eadf;color:var(--pl-ink);background:var(--pl-paper);font-family:Arial,Helvetica,sans-serif;line-height:1.55}
.pl *,.pl-intro *{box-sizing:border-box}.pl [hidden],.pl-intro[hidden],.pl-intro [hidden]{display:none!important}
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.pl h1{font-size:clamp(3.4rem,7vw,7.8rem);max-width:1150px}.pl h2{font-size:clamp(2.35rem,4.2vw,4.7rem)}.pl h3{font-size:clamp(1.55rem,2.2vw,2.4rem)}.pl h4{font-size:1.04rem;letter-spacing:-.015em;line-height:1.35}
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.pl-service-row{position:relative;display:grid;grid-template-columns:65px 1.2fr 1fr;gap:2rem;padding:2.25rem 0;border-top:1px solid var(--pl-line)}.pl-service-row>div>h3 a{text-decoration:none;display:inline-flex;gap:1rem;align-items:baseline}.pl-service-row>div>h3 a:hover{text-decoration:underline}.pl-service-row p{max-width:52ch}.pl-service-row ul{padding-left:1.1rem;margin-top:.8rem}.pl-service-row h4{margin-top:.3rem}.pl-register>.pl-section-head{margin-bottom:2rem}
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.pl-page-heading{padding:5rem 7vw 4rem;max-width:1500px}.pl-page-heading h1{margin-top:1.4rem}.pl-page-heading>.pl-lead{max-width:62ch}.pl-page-heading>.pl-button{margin-top:1.8rem}.pl-reading-nav{position:sticky;top:84px;z-index:5;display:flex;gap:1.4rem;align-items:center;flex-wrap:wrap;padding:.8rem 5.5vw;border-top:1px solid var(--pl-line);border-bottom:1px solid var(--pl-line);background:rgba(244,243,239,.98)}.pl-reading-nav a{font-size:.79rem;line-height:1.35;min-height:44px;display:flex;align-items:center;text-decoration:none}.pl-reading-nav a:hover{text-decoration:underline}.pl-problem-map{padding:1rem 7vw 4rem}.pl-problem-chapter{padding:5rem 7vw;border-bottom:1px solid var(--pl-line)}.pl-problem-chapter>header{max-width:1120px;margin-bottom:2.8rem}.pl-problem-chapter h2{margin-top:.85rem;max-width:950px}.pl-problem-chapter>header .pl-lead{max-width:74ch}.pl-problem-body{display:grid;grid-template-columns:.9fr 1.2fr;gap:7vw}.pl-problem-body h3{font-size:1.55rem;letter-spacing:-.025em;margin-top:1.5rem}.pl-problem-body h3:first-child{margin-top:0}.pl-causes>ul{font-size:1.04rem}.pl-causes>figure{margin-top:2rem}.pl-problem-work>ul{padding-left:1.25rem}.pl-problem-1{background:#e8eadf}.pl-problem-2 .pl-problem-body{grid-template-columns:1.1fr 1fr}.pl-benefit{border-left:3px solid var(--pl-coral);padding:.3rem 0 .3rem 1.5rem;margin:2rem 0}.pl-example{border-top:1px solid var(--pl-line);padding:1.1rem 0;margin-top:2rem!important}.pl-example figcaption{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em}.pl-example p{font-size:1.17rem;margin-top:.45rem}.pl-example small{display:block;font-size:.74rem;margin-top:.6rem}.pl-problem-related{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem 3rem;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--pl-line)}.pl-related-list{list-style:none;margin:0;padding:0!important}.pl-related-list li{padding:0;margin:1rem 0 1.5rem}.pl-related-list a{font-weight:600;min-height:44px;padding:.35rem 0}.pl-related-list p{font-size:.88rem;margin:.3rem 0 0}.pl-related-list .pl-small{display:block}.pl-problem-end{display:flex;align-items:center;gap:2rem;flex-wrap:wrap;margin-top:2.3rem}
.pl details{border-top:1px solid var(--pl-line);margin-top:1.2rem}.pl summary{list-style:none;cursor:pointer;font-weight:600;min-height:52px;padding:1rem 2.2rem 1rem 0;position:relative;line-height:1.45}.pl summary::-webkit-details-marker{display:none}.pl summary:after{content:'+';position:absolute;right:.3rem;top:.9rem;font-size:1.3rem}.pl details[open]>summary:after{content:'−'}.pl details>p,.pl details>ul{padding-bottom:1rem}.pl-service-combination{padding:4rem 7vw;background:var(--pl-pale)}
.pl-commissions{padding:4.5rem 7vw;border-top:1px solid var(--pl-line)}.pl-commissions>article{display:grid;grid-template-columns:65px 1.3fr 1fr;gap:2.5rem;padding:2.5rem 0;border-top:1px solid var(--pl-line)}.pl-commissions h3{font-size:1.7rem}.pl-commissions p{max-width:52ch}.pl-practice-example{display:grid;grid-template-columns:1.3fr .8fr;gap:7vw;padding:4rem 7vw;background:var(--pl-pale)}.pl-practice-example h2{margin-top:1rem}.pl-practice-example>div:last-child{align-self:end;border-left:2px solid var(--pl-forest);padding-left:2rem}.pl-practice-example small{display:block;font-size:.75rem;margin-top:1rem}.pl-specialty{display:grid;grid-template-columns:1.2fr 1fr;gap:6vw;padding:5rem 7vw;background:var(--pl-forest);color:var(--pl-paper)}.pl-specialty h2{margin:1rem 0 1.5rem}.pl-specialty>div:last-child h3{font-size:1.6rem;margin-top:1.6rem}.pl-specialty>div:last-child h3:first-child{margin-top:0}.pl-specialty .pl-kicker{color:#e5bcaa}.pl-specialty .pl-project-image{align-self:center}.pl-specialty .pl-project-image figcaption{color:var(--pl-paper)}.pl-capability-depth{padding:5rem 7vw}.pl-capability-depth>ul{columns:2;column-gap:5rem;max-width:1100px;padding-top:1rem}.pl-capability-depth>ul li{break-inside:avoid}.pl-existing-depth{display:grid;grid-template-columns:repeat(3,1fr);gap:3rem;border-top:1px solid var(--pl-line);margin-top:2.5rem;padding-top:2rem}.pl-existing-depth h3{font-size:1.45rem}.pl-existing-depth p{font-size:.94rem}.pl-questions{display:grid;grid-template-columns:.8fr 1.2fr;gap:6vw;padding:4rem 7vw;background:#eeeae0}.pl-questions details:first-child{margin-top:0}.pl-authority-evidence{padding:5rem 7vw}.pl-authority-related{display:grid;grid-template-columns:repeat(3,1fr);gap:3rem;margin-top:2.5rem}.pl-authority-related h3{font-size:1.5rem}.pl-authority-acai{margin-top:2rem;max-width:900px}.pl-authority-evidence>.pl-relay{max-width:850px;margin:2rem 0}.pl-about-story{padding:5rem 7vw;display:grid;grid-template-columns:repeat(3,1fr);gap:3.5rem}.pl-about-story article{border-top:1px solid var(--pl-line);padding-top:1rem}.pl-about-story h2{font-size:2.3rem;margin-top:1.4rem}.pl-qualifications{display:grid;grid-template-columns:1.3fr 1fr;gap:7vw;padding:4.5rem 7vw;background:#e8eadf}.pl-qualifications h2{margin-top:.9rem}.pl-qualifications h3{font-size:1.5rem;margin-top:1.8rem}.pl-qualifications h3:first-child{margin-top:0}.pl .credential-row{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:1.5rem}.pl .credential-row>span{padding:1rem;border:1px solid var(--pl-line);background:transparent;border-radius:0}.pl .credential-row .credential-code{display:block;font-size:1rem;font-weight:600}.pl .credential-row small{font-size:.8rem;line-height:1.5}.pl-introduction-fallback>section:not(.pl-page-heading):not(.pl-close){padding:4rem 7vw;border-top:1px solid var(--pl-line)}.pl-introduction-fallback>section>h2{margin-top:1rem}.pl-introduction-fallback>section>.pl-art,.pl-introduction-fallback .pl-intro-human{max-width:850px;margin-top:2rem}
/* Optional introduction: one active HTML composition, no fixed slide height. */
.prologue-active [data-site-shell]{display:none!important}.pl-intro{min-height:100svh;padding:0 4.5vw 2rem}.pl-intro-top{display:flex;align-items:center;gap:2rem;padding:1.4rem 0;border-bottom:1px solid var(--pl-line);position:relative;z-index:4}.pl-intro-wordmark{font-size:1.15rem;font-weight:600;text-decoration:none;min-height:44px;display:flex;align-items:center}.pl-intro-top>[data-prologue-status]{font-size:.78rem;margin-left:auto}.pl-intro-options{position:relative}.pl-intro-options summary{min-height:44px;display:flex;align-items:center;cursor:pointer;list-style:none;font-size:.8rem;padding:.5rem}.pl-intro-options summary::-webkit-details-marker{display:none}.pl-intro-options>div{position:absolute;right:0;top:100%;background:var(--pl-paper);border:1px solid var(--pl-line);padding:1rem;width:270px;box-shadow:0 12px 30px #00000012}.pl-intro-options button,.pl-intro-options a{display:flex;align-items:center;min-height:48px;padding:.6rem .25rem;text-align:left;background:none;border:0;width:100%;cursor:pointer;font-size:.9rem;color:var(--pl-ink)}.pl-intro-secret{background:none;border:0;min-width:44px;min-height:44px;font-size:1.8rem!important;cursor:pointer;line-height:1;padding:0}.pl-intro-stage{display:grid;grid-template-columns:1.05fr 1fr;gap:4vw;align-items:center;min-height:calc(100svh - 135px);padding:2.5rem 0;animation:pl-arrive .23s ease-out both}.pl-intro-copy{max-width:750px;position:relative;z-index:1}.pl-intro h2{font-size:clamp(2.8rem,5.5vw,6rem);margin:1.1rem 0 1.8rem;letter-spacing:-.055em;outline-offset:9px}.pl-intro h2:focus{outline:none}.pl-intro .pl-lead{font-size:clamp(1.15rem,1.45vw,1.4rem);max-width:54ch}.pl-intro-controls{display:flex;align-items:center;gap:1.5rem;margin-top:2rem;flex-wrap:wrap}.pl-intro-controls>button:not(.pl-button){background:none;color:inherit;border:0;text-decoration:underline;cursor:pointer;min-height:48px;padding:.6rem 1rem .6rem 0}.pl-intro-visual{min-width:0}.pl-intro-stage-0 .pl-intro-visual{margin:-2rem -4.5vw -1rem -2rem}.pl-intro-stage-0 .pl-art figcaption{padding-left:2rem}.pl-intro-interfaces{display:grid;gap:1.5rem}.pl-intro-interfaces>.pl-relay{width:82%;margin-left:auto}.pl-intro-interfaces figcaption{font-size:.72rem}.pl-example-choices{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:1.5rem}.pl-example-choices button{min-height:48px;border:1px solid var(--pl-forest);background:transparent;color:var(--pl-forest);padding:.7rem 1rem;cursor:pointer}.pl-example-choices [aria-pressed=true]{background:var(--pl-forest);color:var(--pl-paper)}.pl-intro-example{background:var(--pl-pale);padding:2rem}.pl-intro-example h3{font-size:1.8rem;line-height:1.15}.pl-intro-flow{list-style:none;padding:0!important;counter-reset:flow}.pl-intro-flow li{counter-increment:flow;padding:.85rem 0 .85rem 2.5rem;position:relative;margin:0;border-top:1px solid #aab4a5}.pl-intro-flow li:before{content:counter(flow);position:absolute;left:0;font-size:.8rem;top:1rem}.pl-intro-flow li:first-child{border-top:0}.pl-intro-flow p{font-size:.9rem;margin:.3rem 0 0}.pl-intro-human>p{font-size:.92rem;margin-top:.75rem}.pl-intro-connection{list-style:none;margin:0;padding:0!important}.pl-intro-connection li{border-top:1px solid var(--pl-line);padding:1.5rem 0;margin:0;display:grid;grid-template-columns:95px 1fr;gap:1rem;align-items:baseline}.pl-intro-connection span{font-size:.76rem;text-transform:uppercase;letter-spacing:.09em}.pl-intro-connection strong{font-size:clamp(1.5rem,2.6vw,2.8rem);font-weight:500;letter-spacing:-.04em;line-height:1.15}.pl-introduction-fallback .pl-intro-example{max-width:900px;margin-top:2rem}.pl-introduction-fallback .pl-intro-interfaces{max-width:900px;margin-top:2rem}.pl-introduction-fallback .pl-intro-connection{max-width:900px;margin-top:2rem}.pl-introduction-fallback .pl-example-choices{display:none}.pl-introduction-fallback [data-prologue-example-panel]{display:block!important}.pl-introduction-fallback [data-prologue-example-panel]+[data-prologue-example-panel]{margin-top:2rem}
.pl-details{margin:3rem 5.5vw;padding:1rem 0;border-top:1px solid var(--pl-line)}.pl-details>summary{min-height:56px;cursor:pointer;font-size:1.25rem;font-weight:600;padding:.9rem 0}.pl-details .range-showcase,.pl-details suspicious-showcase{display:block;min-width:0}.pl-details[open]{padding-bottom:2rem}
.pl-intro-thread{display:flex;gap:0;margin-top:1rem;max-width:940px}.pl-intro-thread>span{flex:1;padding:.5rem .6rem .5rem 0;border-top:2px solid var(--pl-line);font-size:.7rem;line-height:1.3;color:#595d55}.pl-intro:has([data-prologue-stage="0"]:not([hidden])) .pl-intro-thread>span:nth-child(1),.pl-intro:has([data-prologue-stage="1"]:not([hidden])) .pl-intro-thread>span:nth-child(2),.pl-intro:has([data-prologue-stage="2"]:not([hidden])) .pl-intro-thread>span:nth-child(3),.pl-intro:has([data-prologue-stage="3"]:not([hidden])) .pl-intro-thread>span:nth-child(4),.pl-intro:has([data-prologue-stage="4"]:not([hidden])) .pl-intro-thread>span{border-color:var(--pl-coral);color:var(--pl-ink);font-weight:600}.pl-intro-reveal{margin-top:1.2rem;border-top:1px solid var(--pl-line);border-bottom:1px solid var(--pl-line);padding:.2rem 0}.pl-intro-reveal>summary{font-size:.95rem;min-height:48px;display:flex;align-items:center;cursor:pointer;padding:.65rem 0}.pl-intro-reveal>summary:after{content:'+';font-size:1.4rem;margin-left:auto;padding-left:1rem}.pl-intro-reveal[open]>summary:after{content:'−'}.pl-intro-reveal>p{font-size:.95rem;padding-bottom:.75rem}.pl-intro-reveal>a{display:inline-flex;min-height:48px;align-items:center;padding-bottom:.75rem}.pl-intro-interfaces>.pl-intro-reveal{grid-column:1/-1}.pl-intro-artefact{background:#e6eadf;padding:1.5rem;margin:.5rem 0 1rem;border-left:3px solid var(--pl-forest)}.pl-intro-artefact>span{font-size:.7rem;display:block;margin-bottom:.8rem}.pl-intro-artefact h3{font-size:1.55rem}.pl-intro-artefact li,.pl-intro-artefact p{font-size:.92rem}.pl-intro-secret{min-width:44px!important}
.pl-work-side{min-width:0}.pl-work-side>.pl-internal-case{display:block;padding-top:5rem}.pl-interface-study{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid #aab4a5}.pl-interface-study h3{font-size:1.55rem;margin:.55rem 0 1rem}.pl-interface-study figcaption{max-width:52ch}.pl-home-credentials{margin-top:1.8rem;padding-top:1rem;border-top:1px solid var(--pl-line)}.pl-home-credentials>p{font-size:.92rem;margin:0}
@keyframes pl-arrive{from{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(max-width:1100px){.pl-hero{padding-top:3.5rem;min-height:600px}.pl-section-head,.pl-service-row{grid-template-columns:42px 1.2fr 1fr;gap:1.5rem}.pl-work-layout{gap:3rem}.pl-internal-case{padding-top:3rem}.pl-reading-nav{top:76px}.pl-existing-depth{grid-template-columns:1fr;gap:2rem}.pl-existing-depth p{max-width:78ch}.pl-intro h2{font-size:clamp(2.7rem,5.5vw,4.5rem)}.pl-intro-example{padding:1.5rem}}
@media(max-width:800px){.pl-hero{grid-template-columns:1fr;padding:3.5rem 6vw 2rem}.pl-hero h1{font-size:clamp(3.5rem,9.5vw,6.2rem)}.pl-hero-art{margin:1rem -6vw 0 15vw}.pl-hero-art figcaption{margin:0;padding-left:1rem}.pl-section-head{grid-template-columns:35px 1fr}.pl-section-head>p{grid-column:2}.pl-problem-index{grid-template-columns:1fr 1fr;gap:2rem}.pl-problem-index>section:last-child{grid-column:1/-1}.pl-work-layout{grid-template-columns:1fr}.pl-internal-case{display:grid;grid-template-columns:1fr 1.1fr;gap:2rem;padding-top:1rem}.pl-internal-case>.pl-small{grid-column:1/-1;margin-top:0}.pl-service-row{grid-template-columns:35px 1fr}.pl-service-row>div:last-child{grid-column:2}.pl-experience,.pl-connected{grid-template-columns:1fr;gap:2.5rem}.pl-experience .pl-art{max-width:700px;margin:0}.pl-lab-list{grid-template-columns:1fr 1fr}.pl-lab-list>article:last-child{grid-column:1/-1}.pl-start ol{grid-template-columns:1fr;gap:1.5rem}.pl-start li{display:grid;grid-template-columns:35px 1fr;gap:.2rem 1rem}.pl-start li:before{grid-row:1/3}.pl-start p{grid-column:2;margin:.5rem 0 0}.pl-close{align-items:flex-start;flex-direction:column;gap:1.8rem}.pl-problem-body,.pl-problem-2 .pl-problem-body{grid-template-columns:1fr;gap:2.5rem}.pl-problem-related,.pl-authority-related{grid-template-columns:1fr 1fr;gap:2rem}.pl-commissions>article{grid-template-columns:35px 1fr;gap:1rem 1.5rem}.pl-commissions>article>div:last-child{grid-column:2}.pl-practice-example,.pl-specialty,.pl-questions,.pl-qualifications{grid-template-columns:1fr;gap:2.8rem}.pl-practice-example>div:last-child{padding-left:1.5rem}.pl-about-story{grid-template-columns:1fr;gap:3rem}.pl-about-story article{max-width:750px}.pl-about-story h2{font-size:2.8rem}.pl-reading-nav{position:static;gap:.5rem 1.3rem}.pl-intro-stage{grid-template-columns:1fr;gap:2rem;min-height:auto;padding:2.5rem 0}.pl-intro h2{font-size:clamp(2.8rem,7.3vw,4.4rem)}.pl-intro-copy{max-width:730px}.pl-intro-stage-0 .pl-intro-visual{margin:0 -4.5vw 0 12vw}.pl-intro-visual{max-width:750px}.pl-intro-interfaces{grid-template-columns:1fr 1fr;gap:1rem}.pl-intro-interfaces>.pl-relay{width:100%;margin:0}.pl-intro-top{gap:1rem}.pl-intro-top>[data-prologue-status]{margin-left:auto}.pl-replay{align-items:flex-start}}
@media(max-width:620px){.pl h1{font-size:clamp(2.9rem,11.2vw,4.25rem)}.pl h2{font-size:clamp(2.2rem,8.2vw,3.2rem)}.pl-hero{padding:2.6rem 6vw 1.3rem}.pl-hero h1{font-size:clamp(3rem,11.5vw,4.25rem);margin-top:1rem}.pl-hero-art{margin:1rem -6vw 0 0}.pl-hero-art picture{max-width:310px;margin:auto}.pl-hero-art img{width:100%;height:auto}.pl-hero-art figcaption{text-align:right;margin:0;padding:.4rem 6vw .4rem 0}.pl-actions{gap:.6rem;margin-top:1.4rem}.pl-hero .pl-link{font-size:.91rem}.pl-home-problems,.pl-register,.pl-work-feature,.pl-lab-selection,.pl-start{padding:3rem 6vw}.pl-section-head{gap:1rem;margin-bottom:2rem}.pl-problem-index{grid-template-columns:1fr;gap:2rem}.pl-problem-index>section:last-child{grid-column:auto}.pl-problem-index a{font-size:1rem;min-height:58px;padding:.8rem 0}.pl-work-layout{gap:2rem}.pl-internal-case{grid-template-columns:1fr;gap:.5rem}.pl-internal-case>div:first-child{padding-bottom:1rem}.pl-internal-case>.pl-small{grid-column:auto}.pl-service-row{gap:1rem;padding:1.7rem 0}.pl-service-row h3{font-size:1.7rem}.pl-service-row p{font-size:.98rem}.pl-experience,.pl-connected{padding:3rem 6vw}.pl-experience .pl-art picture{max-width:340px;margin:auto}.pl-lab-list{grid-template-columns:1fr;gap:2rem}.pl-lab-list>article:last-child{grid-column:auto}.pl-close{padding:3rem 6vw}.pl-close h2{font-size:2.7rem}.pl-replay{padding:1rem 6vw;flex-direction:column;gap:0}.pl-page-heading{padding:3rem 6vw}.pl-page-heading h1{margin-top:1rem}.pl-problem-map{padding:0 6vw 3rem}.pl-problem-chapter{padding:3rem 6vw}.pl-problem-chapter>header{margin-bottom:2rem}.pl-problem-related,.pl-authority-related{grid-template-columns:1fr;gap:1.5rem}.pl-problem-end{gap:.75rem}.pl-commissions,.pl-capability-depth,.pl-authority-evidence,.pl-specialty,.pl-questions,.pl-qualifications,.pl-about-story{padding:3rem 6vw}.pl-commissions>article{gap:.6rem 1rem;padding:1.6rem 0}.pl-commissions h3{font-size:1.55rem}.pl-practice-example{padding:3rem 6vw}.pl-capability-depth>ul{columns:1}.pl .credential-row{grid-template-columns:1fr}.pl-about-story h2{font-size:2.6rem}.pl-intro{padding:0 6vw 2rem}.pl-intro-top{gap:.45rem;flex-wrap:wrap;padding:.8rem 0}.pl-intro-wordmark{font-size:1rem}.pl-intro-top>[data-prologue-status]{font-size:.68rem}.pl-intro-options summary{font-size:.75rem;padding:.4rem}.pl-intro-secret{min-width:32px;min-height:44px}.pl-intro-options>div{right:-1.5rem;width:min(270px,85vw)}.pl-intro-stage{padding:1.6rem 0;gap:1.5rem}.pl-intro h2{font-size:clamp(2.55rem,9.1vw,3.65rem);margin:1rem 0 1.3rem}.pl-intro .pl-lead{font-size:1.08rem;line-height:1.48}.pl-intro-controls{gap:1rem;margin-top:1.4rem}.pl-intro-controls .pl-button{padding:.9rem 1rem;font-size:.9rem}.pl-intro-stage-0 .pl-intro-visual{margin:0}.pl-intro-stage-0 .pl-art picture{max-width:300px;margin:auto}.pl-intro-stage-0 .pl-art figcaption{text-align:right;padding:0}.pl-intro-interfaces{grid-template-columns:1fr}.pl-intro-interfaces>.pl-relay{width:85%;margin-left:auto}.pl-intro-human .pl-art picture{max-width:320px;margin:auto}.pl-intro-example{padding:1.2rem}.pl-example-choices{gap:.5rem}.pl-example-choices button{font-size:.85rem;padding:.65rem .75rem}.pl-intro-example h3{font-size:1.6rem}.pl-intro-connection li{grid-template-columns:70px 1fr;padding:1.2rem 0}.pl-intro-connection span{font-size:.68rem}.pl-intro-connection strong{font-size:1.75rem}.pl-introduction-fallback>section:not(.pl-page-heading):not(.pl-close){padding:3rem 6vw}.pl-details{margin:2rem 6vw}.pl-intro .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}}
@media(max-width:800px){.pl-work-side>.pl-internal-case{padding-top:1rem}.pl-interface-study{margin-top:1.5rem}.pl-home-credentials .credential-row{grid-template-columns:1fr}}
/* Scene precedes progression in DOM order; desktop keeps copy and controls together. */
.pl-service-row>.pl-anchor{position:absolute;top:0;left:0}
.pl-intro-stage{grid-template-rows:auto auto;row-gap:0;align-content:center}
.pl-intro-copy{grid-column:1;grid-row:1;align-self:end}
.pl-intro-visual{grid-column:2;grid-row:1/span 2;align-self:center}
.pl-intro-controls{grid-column:1;grid-row:2;align-self:start}
.pl-intro-output-summary{border-left:3px solid var(--pl-coral);padding:.3rem 0 .3rem 1rem;font-size:1rem!important;margin:0!important}
.pl-intro-output-summary strong{display:block;margin-bottom:.35rem}
.pl-intro-human>.pl-art{margin-top:1.2rem}
.pl-intro-application>.pl-relay{padding-bottom:.75rem}
@media(max-width:800px){.pl-intro-stage{grid-template-rows:none;row-gap:1.5rem}.pl-intro-copy,.pl-intro-visual,.pl-intro-controls{grid-column:1;grid-row:auto;align-self:auto}.pl-intro-controls{margin-top:0}}
@media(max-width:620px){.pl-intro-stage-0 .pl-art picture{max-width:220px}.pl-intro-human .pl-art picture{max-width:176px}.pl-intro-flow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1rem;margin-bottom:.75rem}.pl-intro-flow li,.pl-intro-flow li:first-child{padding:.7rem 0 .7rem 1.3rem;border-top:1px solid #aab4a5}.pl-intro-flow li:before{top:.85rem;font-size:.7rem}.pl-intro-flow strong{font-size:.88rem;line-height:1.3;display:block}.pl-intro-flow p{font-size:.8rem;line-height:1.4}.pl-intro-example h3{font-size:1.3rem}.pl-example-choices{flex-wrap:nowrap;gap:.5rem;margin-bottom:1rem}.pl-example-choices button{flex:1;min-width:0;font-size:.8rem;padding:.55rem;min-height:48px}.pl-intro-example>.pl-small{margin-top:.6rem}.pl-intro-connection{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1rem}.pl-intro-connection li{display:block;padding:.85rem 0;min-width:0}.pl-intro-connection span{display:block;margin-bottom:.4rem}.pl-intro-connection strong{display:block;font-size:1.15rem;line-height:1.25}.pl-intro-controls>button{min-height:48px}}
@media(prefers-reduced-motion:reduce){.pl-intro-stage{animation:none}.pl *,.pl-intro *{scroll-behavior:auto!important;transition:none!important}}