:root{--plenum-red:#bc242a;--plenum-ink:#191919;--plenum-muted:#68645f;--plenum-paper:#f7f5f2;--plenum-warm:#efeae4;--plenum-line:#d8d3ce;--plenum-max:1440px;--plenum-font-family:"Plenum CI",Arial,Helvetica,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--plenum-ink);background:#fff;font-family:var(--plenum-font-family);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.plenum-wrap{width:min(var(--plenum-max),calc(100% - 96px));margin-inline:auto}
.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link:focus{position:fixed!important;z-index:1000;top:8px;left:8px;width:auto;height:auto;margin:0;padding:12px 16px;clip:auto;background:#fff;color:var(--plenum-red)}:focus-visible{outline:3px solid var(--plenum-red);outline-offset:3px}
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid #e8e5e1}.site-navigation{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:40px}.primary-navigation{display:flex;align-items:center;gap:24px}.primary-menu{display:flex;align-items:center;gap:32px;list-style:none;margin:0;padding:0;font-size:12px;text-transform:uppercase;letter-spacing:.06em}.primary-menu a{position:relative;display:block;padding:34px 0}.primary-menu a:after{content:"";position:absolute;left:0;right:100%;bottom:23px;height:2px;background:var(--plenum-red);transition:right .25s}.primary-menu a:hover:after,.primary-menu .current-menu-item>a:after,.primary-menu .current-menu-ancestor>a:after{right:0}.language-switch{padding-left:16px;border-left:1px solid var(--plenum-red);font-size:12px;display:flex;gap:6px}.language-switch__pending{color:var(--plenum-muted)}.mobile-toggle{display:none;border:0;background:transparent;font-size:24px;cursor:pointer}
.hero{position:relative;min-height:650px;overflow:hidden;background:#ddd}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.85) 28%,rgba(255,255,255,.28) 50%,rgba(255,255,255,0) 70%)}.hero-content{position:relative;z-index:3;padding:88px 0 105px;max-width:650px;margin-left:max(48px,calc((100vw - var(--plenum-max))/2 + 48px))}.hero-content:before{content:"";position:absolute;left:-26px;top:92px;width:3px;height:132px;background:var(--plenum-red)}.eyebrow{display:inline-block;font-size:11px;letter-spacing:.19em;text-transform:uppercase;color:var(--plenum-red);font-weight:700}.eyebrow.badge{background:var(--plenum-red);color:#fff;padding:7px 10px;letter-spacing:.12em}.hero h1{font-size:72px;line-height:.98;font-weight:300;margin:25px 0 22px;letter-spacing:-.035em}.hero p{font-size:18px;line-height:1.6;max-width:510px;color:#2c2b2a}.cta,.plenum-cta{display:inline-flex;align-items:center;gap:25px;margin-top:24px;border:1px solid var(--plenum-red);padding:13px 18px;color:var(--plenum-red);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.08em;transition:.25s}.cta:hover,.plenum-cta:hover{background:var(--plenum-red);color:#fff}.redbar{height:11px;background:var(--plenum-red)}
.site-main>section{padding:84px 0;border-bottom:1px solid var(--plenum-line)}.site-main>.flush-section{padding:0}.section-head{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:30px}.section-links{display:flex;gap:18px}.section-title{font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:700}.section-title:before{content:"";display:inline-block;width:25px;height:2px;background:var(--plenum-red);vertical-align:middle;margin-right:13px}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{position:relative;min-height:285px;overflow:hidden;background:#111;border-bottom:4px solid var(--plenum-red)}.card img{width:100%;height:100%;min-height:285px;object-fit:cover;transition:.45s transform}.card:hover img{transform:scale(1.035)}.card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.88),rgba(0,0,0,.03) 66%)}.num{position:absolute;z-index:4;top:0;left:0;background:var(--plenum-red);color:#fff;padding:9px 13px;font-size:12px;clip-path:polygon(0 0,100% 0,72% 100%,0 100%)}.card-copy{position:absolute;z-index:4;left:18px;right:18px;bottom:15px;color:#fff}.card-copy h3{margin:0 0 4px;font-size:22px;font-weight:400}.card-copy p{margin:0 0 9px;font-size:12px}.tags{font-size:9px;letter-spacing:.05em;text-transform:uppercase;opacity:.95}
.edge{background:var(--plenum-paper)}.split{display:grid;grid-template-columns:1fr 1.35fr;min-height:500px}.split .copy{padding:68px 7vw 68px max(48px,calc((100vw - var(--plenum-max))/2 + 48px))}.split h2,.page-hero h1{font-size:50px;line-height:1.05;font-weight:300;margin:16px 0 28px;letter-spacing:-.025em}.visual{position:relative;overflow:hidden}.visual img{width:100%;height:100%;object-fit:cover}.visual:after{content:"";position:absolute;right:0;top:0;border-top:125px solid var(--plenum-red);border-left:125px solid transparent}.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:44px}.pillar h4{margin:10px 0 7px;font-size:16px}.pillar p{font-size:13px;line-height:1.55;color:#555}.icon{font-size:25px;color:var(--plenum-red)}
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.service{border:1px solid var(--plenum-line);padding:28px 23px 34px;min-height:250px;position:relative;background:#fff}.service:after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--plenum-red)}.service .n{position:absolute;right:18px;top:18px;font-size:10px;color:#777}.service h3{font-size:22px;font-weight:400;margin:36px 0 13px}.service p{font-size:13px;line-height:1.62;color:#555}.service-links .service{display:block;transition:transform .25s,box-shadow .25s,border-color .25s}.service-links .service:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(0,0,0,.08);border-color:#bdb6af}.service-link{position:absolute;left:23px;bottom:16px;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--plenum-red);font-weight:700}
.feature{display:grid;grid-template-columns:.9fr 1.25fr;background:var(--plenum-warm);min-height:440px}.feature .copy{padding:64px}.feature h2{font-weight:300;font-size:44px;margin:10px 0}.feature p{line-height:1.65;color:#444}.feature>img{width:100%;height:100%;object-fit:cover}
.insights{display:grid;grid-template-columns:repeat(3,1fr) 1.1fr;gap:18px}.insight{display:grid;grid-template-columns:108px 1fr;gap:15px;align-items:center}.insight img{width:108px;height:92px;object-fit:cover}.insight small,.news-card small{color:var(--plenum-red);font-size:9px;letter-spacing:.12em;text-transform:uppercase}.insight h4{margin:6px 0;font-size:16px;font-weight:400}.insight-link{transition:.25s}.insight-link span{display:block;color:var(--plenum-red);font-size:9px;letter-spacing:.1em;text-transform:uppercase;margin-top:8px;font-weight:700}.insight-link:hover{transform:translateY(-3px)}.contact-box{background:var(--plenum-red);color:#fff;padding:32px;display:flex;flex-direction:column;justify-content:center}.contact-box h3{font-size:26px;font-weight:300;margin:0 0 12px}.contact-box .cta{border-color:#fff;color:#fff}
.home-news{background:var(--plenum-paper)}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news-card{display:flex;flex-direction:column;min-height:230px;padding:28px;border:1px solid var(--plenum-line);background:#fff;transition:.25s}.news-card:hover{border-color:var(--plenum-red);transform:translateY(-2px)}.news-card h3{font-size:22px;font-weight:400;line-height:1.15;margin:18px 0 12px}.news-card p{color:var(--plenum-muted);line-height:1.55}.news-card span{margin-top:auto;color:var(--plenum-red);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.news-card.compact{min-height:190px}
.client-mini-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.client-mini{height:112px;border:1px solid var(--plenum-line);display:flex;align-items:center;justify-content:center;padding:18px;background:#fff;transition:.25s}.client-mini:hover{border-color:var(--plenum-red);transform:translateY(-2px)}.client-mini img{max-width:100%;max-height:100%;object-fit:contain}
.page-hero{padding:92px 0 66px;background:var(--plenum-paper);border-bottom:10px solid var(--plenum-red)}.page-hero h1{font-size:50px}.page-hero p{max-width:820px;font-size:18px;line-height:1.65;color:#444}.content-section{padding:84px 0;border-bottom:1px solid var(--plenum-line)}.plenum-prose{max-width:920px;color:#444;line-height:1.7}
.back-bar{background:#fff;border-bottom:1px solid #ece8e4}.back-bar--bottom{border-top:1px solid #ece8e4}.back-bar .plenum-wrap{height:44px;display:flex;align-items:center}.back-link{font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:#555}.back-link:before{content:"←";color:var(--plenum-red);font-size:17px;margin-right:9px}
.footer-brand-bar{padding:28px 0 24px;background:var(--plenum-paper);border-top:9px solid var(--plenum-red)}.site-footer{position:relative;overflow:hidden;padding:42px 0 18px;background:#191919;color:#bbb}.site-footer:after{content:"";position:absolute;right:0;top:0;border-top:120px solid var(--plenum-red);border-left:120px solid transparent}.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr 1fr .9fr 1fr 1.1fr;gap:34px}.site-footer h2{margin-top:0;color:#fff;font-size:10px;text-transform:uppercase;letter-spacing:.13em}.site-footer ul{list-style:none;margin:0;padding:0}.site-footer p,.site-footer a{font-size:12px;line-height:1.7}.footer-copy p{margin-top:0}.site-footer .cta{color:#fff;border-color:#777;margin-top:8px}.footer-sitemap{position:relative;z-index:2;margin-top:38px;padding-top:28px;border-top:1px solid #333}.footer-sitemap-title{color:#fff;font-size:10px;text-transform:uppercase;letter-spacing:.15em;margin-bottom:18px}.footer-sitemap-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:30px}.footer-sitemap-grid>li>a{color:#fff;text-transform:uppercase;letter-spacing:.13em;font-size:10px}.footer-sitemap .sub-menu{margin-top:9px}.footer-sitemap .sub-menu a{font-size:11px;line-height:1.85;color:#aaa}.footer-sitemap a:hover{color:#fff}.footer-legal{position:relative;z-index:2;display:flex;justify-content:space-between;gap:20px;margin-top:34px;padding-top:17px;border-top:1px solid #333;font-size:10px}.footer-legal-links{display:flex;align-items:center;gap:18px}.footer-legal ul{display:flex;gap:12px}.footer-legal .language-switch{border-left:0;padding-left:0}
@media(max-width:1100px){.client-mini-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:1000px){.plenum-wrap{width:min(100% - 48px,var(--plenum-max))}.mobile-toggle{display:block}.primary-navigation{display:none;position:absolute;left:0;right:0;top:100%;padding:20px 24px;background:#fff;border-bottom:1px solid var(--plenum-line);align-items:flex-start}.primary-navigation.is-open{display:flex}.primary-menu{display:grid;gap:0;flex:1}.primary-menu a{padding:12px 0}.primary-menu a:after{bottom:7px}.hero h1{font-size:56px}.projects,.services,.insights,.footer-grid{grid-template-columns:1fr 1fr}.split,.feature{grid-template-columns:1fr}.split .copy{padding:58px 32px}.insights .contact-box{grid-column:1/-1}.footer-sitemap-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:650px){.plenum-wrap{width:calc(100% - 34px)}.site-navigation{min-height:70px}.hero{min-height:600px}.hero:after{background:linear-gradient(90deg,rgba(255,255,255,.96),rgba(255,255,255,.78) 58%,rgba(255,255,255,.18))}.hero-content{padding:65px 0 80px;margin-left:17px;max-width:calc(100% - 34px)}.hero-content:before{left:-12px;top:70px;height:96px}.hero h1{font-size:46px}.hero p{font-size:16px}.projects,.services,.insights,.footer-grid,.pillars,.news-grid{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.split h2,.page-hero h1{font-size:39px}.card{min-height:250px}.card img{min-height:250px}.feature .copy{padding:40px 24px}.footer-legal{display:block}.footer-legal-links{margin-top:12px;flex-wrap:wrap}.language-switch{border-left:0;padding-left:0}.primary-navigation.is-open{display:grid}.site-footer:after{border-top-width:80px;border-left-width:80px}.footer-sitemap-grid{grid-template-columns:1fr 1fr}.client-mini-grid{grid-template-columns:repeat(2,1fr)}.client-mini{height:95px}}
@media(max-width:420px){.footer-sitemap-grid,.client-mini-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}

/* Phase 4: approved V8.1 Work / Project system. */
.work-archive{padding:84px 0}.work-projects .card{min-height:360px}.work-projects .card img{min-height:360px}.plenum-empty{padding:32px;border-left:4px solid var(--plenum-red);background:var(--plenum-paper)}
.project-detail>section{padding:84px 0;border-bottom:1px solid var(--plenum-line)}.project-detail>.project-page-hero{padding:92px 0 66px}.project-opening{background:#fff}.project-hero-button{display:block;width:100%;padding:0;border:0;background:transparent;cursor:zoom-in}.project-hero-img,.project-hero-video{display:block;width:100%;height:min(68vh,760px);object-fit:cover;background:#111}.project-intro{margin-top:45px}.project-summary>*:first-child{margin-top:0}.project-summary>*:last-child{margin-bottom:0}
.project-facts .grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.project-facts .fact{border-top:2px solid var(--plenum-red);padding-top:18px}.project-facts .fact h3{font-weight:400}.project-facts .fact p{color:#555;line-height:1.55}.case-study-sections{background:var(--plenum-paper)}.case-study-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.case-study-block{padding:32px;background:#fff;border-top:3px solid var(--plenum-red)}.case-study-block h2,.case-study-block h3{font-weight:300}.case-study-block p,.case-study-block li{color:#4c4946;line-height:1.7}
.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.gallery-tile{margin:0;background:#fff;border-bottom:3px solid var(--plenum-red)}.gallery-open{display:block;width:100%;padding:0;border:0;background:#111;cursor:zoom-in;overflow:hidden}.gallery-open img{display:block;width:100%;height:360px;object-fit:cover;transition:transform .35s ease}.gallery-open:hover img{transform:scale(1.025)}.gallery-tile figcaption{padding:12px 14px;font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:#65615d}
.project-capability{background:#fff}.service-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.service-pill{display:inline-flex;border:1px solid var(--plenum-red);color:var(--plenum-red);padding:10px 14px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}.service-pill:hover{background:var(--plenum-red);color:#fff}.project-experience{background:var(--plenum-paper)}.experience-launcher{display:grid;grid-template-columns:minmax(260px,.9fr) 1.1fr;gap:48px;align-items:center}.experience-launcher-media{width:100%;height:340px;object-fit:cover}.experience-launcher h2{font-size:42px;font-weight:300;margin:12px 0}.experience-launcher p{color:#555;line-height:1.65}
.project-related{background:#fff}.related-editorial-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:30px}.related-editorial-card{display:block;min-height:150px;padding:24px;border-top:3px solid var(--plenum-red);background:var(--plenum-paper);transition:.25s}.related-editorial-card:hover{transform:translateY(-3px);background:#fff;box-shadow:0 10px 30px rgba(0,0,0,.07)}.related-editorial-card span{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--plenum-red);font-weight:700}.related-editorial-card h3{font-size:23px;font-weight:300;margin:20px 0 0}.project-detail>.red-cta,.red-cta{background:var(--plenum-red);color:#fff;border:0}.red-cta h2{font-size:42px;font-weight:300;margin:0 0 10px}.red-cta p{font-size:16px}.red-cta .cta{border-color:#fff;color:#fff}.red-cta .cta:hover{background:#fff;color:var(--plenum-red)}
.project-detail>.project-nav{border-top:1px solid var(--plenum-line);border-bottom:8px solid var(--plenum-red);padding:0}.project-nav .plenum-wrap{min-height:84px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}.project-nav a{font-size:11px;text-transform:uppercase;letter-spacing:.09em}.project-nav span:last-child{text-align:right}.project-nav .all-work{color:var(--plenum-red);font-weight:700}
body.lightbox-active{overflow:hidden}.lightbox[hidden]{display:none!important}.lightbox{position:fixed;inset:0;z-index:500;display:flex;align-items:center;justify-content:center}.lightbox-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.9)}.lightbox-dialog{position:relative;z-index:2;width:min(1320px,94vw);height:min(90vh,900px);display:grid;grid-template-rows:1fr auto;background:#111}.lightbox-media{min-height:0;display:flex;align-items:center;justify-content:center}.lightbox-media img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.lightbox-footer{display:flex;justify-content:space-between;gap:20px;align-items:center;color:#ddd;padding:14px 80px 16px 18px}.lightbox-caption{font-size:12px;letter-spacing:.04em}.lightbox-count{font-size:11px;white-space:nowrap}.lightbox-close{position:absolute;right:14px;top:14px;z-index:4;width:42px;height:42px;border:1px solid rgba(255,255,255,.5);background:rgba(0,0,0,.45);color:#fff;font-size:25px;cursor:pointer}.lightbox-nav{position:absolute;inset:50% 0 auto;display:flex;justify-content:space-between;transform:translateY(-50%);padding:0 14px;pointer-events:none}.lightbox-nav button{pointer-events:auto;width:44px;height:52px;border:1px solid rgba(255,255,255,.45);background:rgba(0,0,0,.38);color:#fff;font-size:22px;cursor:pointer}.lightbox button:focus-visible{outline-color:#fff}
@media(max-width:1000px){.work-projects .card,.work-projects .card img{min-height:300px}.gallery-grid{grid-template-columns:1fr}.case-study-grid,.experience-launcher{grid-template-columns:1fr}.related-editorial-grid{grid-template-columns:1fr 1fr}.experience-launcher-media{height:300px}}
@media(max-width:650px){.work-projects .card,.work-projects .card img{min-height:250px}.project-detail>section{padding:64px 0}.project-detail>.project-page-hero{padding:64px 0 50px}.project-hero-img,.project-hero-video{height:360px}.project-facts .grid3,.case-study-grid,.related-editorial-grid{grid-template-columns:1fr}.gallery-open img{height:260px}.project-nav .plenum-wrap{grid-template-columns:1fr 1fr}.project-nav .all-work{display:none}.lightbox-dialog{width:96vw;height:82vh}.lightbox-footer{padding-right:65px}.experience-launcher h2,.red-cta h2{font-size:34px}}

/* Phase 5: approved V8.1 Services system. */
.services-archive,.service-integration,.service-detail>section{padding:84px 0;border-bottom:1px solid var(--plenum-line)}.service-card{display:block;transition:transform .25s,box-shadow .25s,border-color .25s}.service-card:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(0,0,0,.08);border-color:#bdb6af}.service-card .icon{display:block;margin-top:20px}.service-integration{background:var(--plenum-paper)}.service-integration-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}.service-integration h2{font-size:42px;font-weight:300;line-height:1.1}.service-integration p{line-height:1.7;color:#4b4845}.integration-stack{display:grid;gap:12px}.integration-item{border-left:5px solid var(--plenum-red);background:#fff;padding:20px 22px;box-shadow:0 5px 20px rgba(0,0,0,.03)}.integration-item h3{font-size:15px;margin:0 0 6px}.integration-item p{font-size:12px;line-height:1.55;color:#666;margin:0}
.service-detail>.service-hero{padding:72px 0 0;background:var(--plenum-paper);border-bottom:0}.service-hero-grid{display:grid;grid-template-columns:.95fr 1.15fr;gap:52px;align-items:center;padding-bottom:72px}.service-hero h1{font-size:60px;line-height:1.02;font-weight:300;letter-spacing:-.035em;margin:20px 0 24px}.service-hero-copy p{font-size:18px;line-height:1.65;color:#444;max-width:620px}.service-hero-media img{width:100%;height:440px;object-fit:cover}.service-detail>.service-hero .redbar{height:11px}.detail-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:70px}.detail-grid h2,.quote-panel h2{font-size:42px;font-weight:300;line-height:1.1;letter-spacing:-.02em}.detail-grid .prose p,.detail-grid .prose li{font-size:17px;line-height:1.7;color:#555}.capability-list{border-top:1px solid var(--plenum-line)}.capability-item{display:grid;grid-template-columns:220px 1fr;gap:28px;padding:20px 0;border-bottom:1px solid var(--plenum-line);align-items:start}.capability-item h3{display:block;margin:0;font-size:15px;font-weight:600;line-height:1.6}.capability-item p{display:block;margin:0;font-size:14px;line-height:1.6;color:#555}.service-feature>img{min-height:440px}.service-process{background:#fff}.research-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:30px;border:1px solid var(--plenum-line)}.research-step{padding:24px;border-right:1px solid var(--plenum-line);min-height:150px}.research-step:last-child{border-right:0}.research-step span{color:var(--plenum-red);font-size:11px;font-weight:700}.research-step h3{font-size:18px;font-weight:400}.research-step p{font-size:12px;line-height:1.5;color:#555}.service-related-projects,.service-related-editorial{background:#fff}.quote-panel{background:var(--plenum-paper)}.quote-panel-copy{max-width:980px;padding:12px 0 22px}.quote-panel p{font-size:18px;line-height:1.7;color:#4b4845;max-width:820px}
.interactive-section{background:var(--plenum-paper);border-top:1px solid var(--plenum-line);border-bottom:1px solid var(--plenum-line)}.tool-shell{background:#fff;border-top:6px solid var(--plenum-red);padding:28px;box-shadow:0 12px 34px rgba(0,0,0,.045)}.tool-choice-group{margin:0 0 18px;padding:0;border:0}.tool-choice-group legend,.tool-control span{display:block;margin-bottom:9px;font-size:10px;text-transform:uppercase;letter-spacing:.09em;font-weight:700}.tool-choice-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.tool-chip{appearance:none;border:1px solid var(--plenum-line);background:#fff;padding:11px 14px;font:inherit;font-size:11px;text-transform:uppercase;letter-spacing:.08em;cursor:pointer}.tool-chip:hover,.tool-chip.is-active{border-color:var(--plenum-red);background:var(--plenum-red);color:#fff}.tool-control{display:inline-grid;width:min(100%,320px);margin:0 14px 14px 0}.tool-control input{width:100%;padding:13px;border:1px solid var(--plenum-line);background:#fff;font:inherit;font-size:14px}.tool-action{appearance:none;border:1px solid var(--plenum-red);background:var(--plenum-red);color:#fff;padding:13px 17px;font:inherit;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:700;cursor:pointer}.tool-action:hover{background:#fff;color:var(--plenum-red)}.tool-output{margin-top:22px;border-left:5px solid var(--plenum-red);background:var(--plenum-paper);padding:22px 24px;min-height:150px}.tool-output>span{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--plenum-red);font-weight:700}.tool-output h3{font-size:27px;font-weight:300;margin:8px 0}.tool-output p{max-width:900px;color:#555;line-height:1.7}
@media(max-width:1000px){.service-integration-grid,.service-hero-grid,.detail-grid{grid-template-columns:1fr}.service-hero-media img{height:360px}.capability-item{grid-template-columns:180px 1fr}.research-flow{grid-template-columns:1fr 1fr}.research-step{border-bottom:1px solid var(--plenum-line)}}
@media(max-width:650px){.services-archive,.service-integration,.service-detail>section{padding:64px 0}.service-detail>.service-hero{padding-top:56px}.service-hero-grid{padding-bottom:56px}.service-hero h1{font-size:43px}.service-hero-media img{height:280px}.detail-grid h2,.quote-panel h2,.service-integration h2{font-size:34px}.capability-item,.research-flow{grid-template-columns:1fr}.tool-control{width:100%;margin-right:0}.tool-action{width:100%}}

/* Phase 6: approved V8.1 International page and privacy-preserving tools. */
.international-page>section{padding:84px 0;border-bottom:1px solid var(--plenum-line)}.international-page>.international-hero{padding:92px 0 66px}.international-copy-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:80px;align-items:start}.international-copy-grid h2,.market-explorer-head h2,.international-page .section-head h2,.international-implications h2,.international-process h2{font-size:42px;line-height:1.08;font-weight:300;letter-spacing:-.02em}.international-emphasis{border-left:5px solid var(--plenum-red);padding:18px 22px;background:var(--plenum-paper);font-size:18px!important;color:#222!important}
.international-page>.market-explorer-section{background:#171717;color:#fff;border-bottom:10px solid var(--plenum-red)}.market-explorer-head{display:grid;grid-template-columns:1.6fr .4fr;gap:60px;align-items:end}.market-explorer-head h2{margin:14px 0}.market-intro{max-width:780px;color:#c7c7c7;line-height:1.7}.market-source-note{font-size:11px;line-height:1.6;color:#999}.market-tabs{display:flex;gap:8px;margin:42px 0 26px;overflow-x:auto;padding-bottom:4px}.market-tab{flex:0 0 auto;border:1px solid #4a4a4a;background:transparent;color:#bbb;padding:13px 17px;font:inherit;font-size:10px;letter-spacing:.1em;text-transform:uppercase;cursor:pointer}.market-tab:hover,.market-tab.is-active,.market-tab[aria-selected="true"]{border-color:var(--plenum-red);background:var(--plenum-red);color:#fff}.market-tab:focus-visible{outline-color:#fff}.market-panel[hidden]{display:none}.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.market-stat{position:relative;padding:30px 25px 24px;border:1px solid #3d3d3d;background:#202020}.market-stat:before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--plenum-red)}.stat-number{font-size:50px;font-weight:300;letter-spacing:-.04em}.market-stat h3{font-size:17px;font-weight:400;margin:10px 0}.market-stat>p{font-size:12px;line-height:1.65;color:#aaa}.market-provenance{display:grid;gap:7px;margin:22px 0 0;padding-top:16px;border-top:1px solid #3d3d3d}.market-provenance div{display:grid;grid-template-columns:86px 1fr;gap:10px}.market-provenance dt{font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:#888}.market-provenance dd{margin:0;font-size:10px;color:#ccc}.market-provenance a{color:#fff;text-decoration:underline;text-underline-offset:2px}.market-stat details{margin-top:14px;font-size:11px;color:#bbb}.market-stat summary{cursor:pointer;color:#fff}.market-takeaway{display:grid;grid-template-columns:180px 1fr;gap:24px;margin-top:20px;padding:22px 25px;border-left:5px solid var(--plenum-red);background:#262626}.market-takeaway span{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:#aaa}.market-takeaway p{margin:0;line-height:1.65}.market-disclaimer{margin:26px 0 0;color:#999;font-size:10px;line-height:1.65}
.international-page>.interactive-section{padding:84px 0}.audience-explorer .section-head,.enter-germany-navigator .section-head{display:grid;grid-template-columns:1fr 1fr;gap:60px}.audience-explorer .section-head>p,.enter-germany-navigator .section-head>p{line-height:1.7;color:#555}.buyer-lenses{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:30px}.buyer-lens{min-height:170px;padding:22px;text-align:left;border:1px solid var(--plenum-line);background:#fff;color:#222;font:inherit;cursor:pointer}.buyer-lens>span{display:block;color:var(--plenum-red);font-size:11px;font-weight:700}.buyer-lens strong{display:block;margin:25px 0 8px;font-size:18px;font-weight:400}.buyer-lens small{display:block;color:#666;line-height:1.5}.buyer-lens:hover,.buyer-lens.is-active{border-color:var(--plenum-red);box-shadow:inset 0 -4px 0 var(--plenum-red)}.buyer-detail{margin-top:16px;padding:28px;border-left:5px solid var(--plenum-red);background:#fff}.buyer-detail>span{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--plenum-red);font-weight:700}.buyer-detail h3{font-size:27px;font-weight:300;margin:10px 0}.buyer-detail p{max-width:920px;color:#555;line-height:1.7}.audience-config,.navigator-config{display:none}
.international-implications{background:#fff}.implication-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin-top:30px;border:1px solid var(--plenum-line)}.implication-grid article{min-height:180px;padding:24px;border-right:1px solid var(--plenum-line)}.implication-grid article:last-child{border-right:0}.implication-grid span{color:var(--plenum-red);font-size:11px;font-weight:700}.implication-grid h3{font-size:17px;font-weight:400}.implication-grid p{font-size:12px;line-height:1.55;color:#555}.international-services,.international-work{background:#fff}.international-process{background:var(--plenum-paper)}.international-berlin{padding:0!important}.international-berlin .feature{min-height:500px}.international-berlin .feature .copy{display:flex;flex-direction:column;justify-content:center}.international-berlin .feature h2{font-size:44px;font-weight:300}.navigator-controls{display:flex;align-items:end;flex-wrap:wrap}.tool-control select{width:100%;min-height:45px;padding:12px;border:1px solid var(--plenum-line);background:#fff;font:inherit;font-size:13px}.tool-output ol{margin:18px 0 0;padding-left:22px}.tool-output li{margin:8px 0;color:#555}.tool-output a{color:var(--plenum-red);font-weight:600}.privacy-note{margin:16px 0 0;font-size:10px;color:#777}.international-page>.international-cta{text-align:center}.international-cta .plenum-wrap{max-width:900px}.international-cta .eyebrow{color:#fff}.international-cta h2{font-size:46px}.international-cta p{line-height:1.7}
@media(max-width:1000px){.international-copy-grid,.market-explorer-head,.audience-explorer .section-head,.enter-germany-navigator .section-head{grid-template-columns:1fr;gap:28px}.stat-grid,.buyer-lenses,.implication-grid{grid-template-columns:1fr 1fr}.implication-grid article{border-bottom:1px solid var(--plenum-line)}.international-berlin .feature{grid-template-columns:1fr}.international-berlin .feature>img{height:420px}}
@media(max-width:650px){.international-page>section,.international-page>.interactive-section{padding:64px 0}.international-page>.international-hero{padding:64px 0 50px}.international-copy-grid h2,.market-explorer-head h2,.international-page .section-head h2,.international-implications h2,.international-process h2{font-size:34px}.stat-grid,.buyer-lenses,.implication-grid{grid-template-columns:1fr}.market-takeaway{grid-template-columns:1fr}.market-tabs{margin-top:30px}.stat-number{font-size:43px}.international-berlin .feature>img{height:300px}.international-cta h2{font-size:36px}}

/* Phase 7: approved V8.1 Insights, News, Clients and approved Testimonials. */
.content-tabs{display:flex;gap:9px;margin-top:30px}.content-tabs a,.editorial-filters a{display:inline-flex;border:1px solid var(--plenum-line);padding:10px 14px;font-size:10px;text-transform:uppercase;letter-spacing:.09em;background:#fff}.content-tabs a:hover,.content-tabs a.active,.editorial-filters a:hover,.editorial-filters a.active{border-color:var(--plenum-red);background:var(--plenum-red);color:#fff}.insights-archive,.news-current,.news-history,.clients-section,.clients-experience,.about-editorial,.clients-preview,.client-voices,.related-editorial,.editorial-sources,.insight-detail>section,.news-detail>section{padding:84px 0;border-bottom:1px solid var(--plenum-line)}.editorial-filters{display:flex;flex-wrap:wrap;gap:7px;margin:-8px 0 28px}.insight-grid-large{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.insight-card-large{display:block;border-bottom:4px solid var(--plenum-red);background:#fff;box-shadow:0 6px 22px rgba(0,0,0,.035);transition:.25s}.insight-card-large:hover{transform:translateY(-4px);box-shadow:0 14px 38px rgba(0,0,0,.09)}.insight-card-large>img{display:block;width:100%;height:245px;object-fit:cover}.insight-card-copy{padding:25px}.insight-card-copy h2{font-size:27px;line-height:1.12;font-weight:300;margin:14px 0}.insight-card-copy p{font-size:14px;line-height:1.65;color:#555}.insight-card-copy>span,.tool-read,.small-link{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--plenum-red);font-weight:700}.interactive-insights{background:var(--plenum-paper);padding:84px 0;border-bottom:1px solid var(--plenum-line)}.insight-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.insight-tools.single-tool{grid-template-columns:minmax(0,900px);justify-content:center}.insight-tool-card{background:#fff;border-top:5px solid var(--plenum-red);padding:26px;display:flex;flex-direction:column;min-height:500px}.insight-tool-card h2{font-size:29px;line-height:1.08;font-weight:300;margin:15px 0}.insight-tool-card>p{font-size:13px;line-height:1.65;color:#5f5b57}.readiness-checks{display:grid;gap:9px;margin:18px 0;padding:0;border:0}.readiness-checks label{display:flex;align-items:flex-start;gap:9px;font-size:12px;line-height:1.45}.readiness-checks input{accent-color:var(--plenum-red);margin-top:2px}.process-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:18px 0}.process-tab{appearance:none;border:1px solid var(--plenum-line);background:#fff;padding:8px 10px;font:inherit;font-size:10px;text-transform:uppercase;letter-spacing:.07em;cursor:pointer}.process-tab.is-active,.process-tab:hover{background:var(--plenum-red);border-color:var(--plenum-red);color:#fff}.process-output{background:var(--plenum-paper);padding:17px;border-left:4px solid var(--plenum-red);min-height:130px}.process-output h3{font-size:20px;font-weight:400;margin:0 0 8px}.process-output p{font-size:12px;line-height:1.6;color:#555}.insight-tool-card .tool-read{margin-top:auto;padding-top:20px}.insight-article{max-width:1120px}.insight-hero-img,.news-hero-img{display:block;width:100%;height:520px;object-fit:cover;margin-bottom:48px}.article-body{max-width:820px;margin-inline:auto}.article-body h2{font-size:40px;font-weight:300;line-height:1.1;margin:12px 0 24px}.article-body h3{font-size:23px;font-weight:500;margin:34px 0 10px}.article-body p,.news-article p{font-size:17px;line-height:1.78;color:#45413e}.article-body blockquote{margin:34px 0;padding:24px 28px;border-left:5px solid var(--plenum-red);background:var(--plenum-paper)}.editorial-dates{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;color:#777;font-size:11px;text-transform:uppercase;letter-spacing:.07em}.editorial-sources ul{padding-left:18px}.editorial-sources li{margin:10px 0;line-height:1.6}.editorial-sources a{color:var(--plenum-red);text-decoration:underline}.related-projects-head{margin-top:45px}.news-history{background:var(--plenum-paper)}
.client-logo-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.client-logo-card{border:1px solid var(--plenum-line);background:#fff;min-width:0;transition:.25s}.client-logo-card:hover{border-color:var(--plenum-red);transform:translateY(-2px)}.client-logo-box{height:190px;display:flex;align-items:center;justify-content:center;padding:30px;background:#fff}.client-logo-box img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.client-logo-card h3{font-size:12px;line-height:1.35;font-weight:500;margin:0;padding:13px 15px;border-top:1px solid var(--plenum-line);min-height:58px;display:flex;align-items:center}.clients-intro{margin:10px 0 0;color:var(--plenum-muted);font-size:13px}.clients-experience h2{font-size:38px;font-weight:300}.testimonial-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.testimonial-card{margin:0;padding:30px;border-top:5px solid var(--plenum-red);background:#fff}.testimonial-card blockquote{margin:0}.testimonial-card blockquote p{font-size:22px;line-height:1.5;font-weight:300;margin:0 0 28px}.testimonial-card figcaption{display:flex;align-items:center;gap:14px;border-top:1px solid var(--plenum-line);padding-top:18px}.testimonial-card figcaption>span{display:flex;flex:1;flex-direction:column;gap:3px}.testimonial-card figcaption strong{font-size:13px}.testimonial-card figcaption small{font-size:11px;color:#666}.testimonial-portrait{width:54px;height:54px;border-radius:50%;object-fit:cover}.testimonial-logo{width:86px;height:50px;object-fit:contain}.about-editorial .prose>*:first-child{margin-top:0}.about-editorial .prose>*:last-child{margin-bottom:0}
@media(max-width:1100px){.client-logo-grid{grid-template-columns:repeat(3,1fr)}.insight-grid-large{grid-template-columns:1fr 1fr}.insight-tools{grid-template-columns:1fr}.insight-tool-card{min-height:auto}}
@media(max-width:720px){.insights-archive,.news-current,.news-history,.clients-section,.clients-experience,.about-editorial,.clients-preview,.client-voices,.related-editorial,.editorial-sources,.insight-detail>section,.news-detail>section,.interactive-insights{padding:64px 0}.insight-grid-large,.testimonial-grid{grid-template-columns:1fr}.insight-card-large>img{height:220px}.insight-hero-img,.news-hero-img{height:300px}.article-body h2{font-size:33px}.client-logo-grid{grid-template-columns:repeat(2,1fr)}.client-logo-box{height:145px;padding:20px}.content-tabs{flex-wrap:wrap}.editorial-dates{display:grid;gap:7px}}
@media(max-width:420px){.client-logo-grid{grid-template-columns:1fr}}

/* Phase 8: hidden, activation-gated Interactive Experience infrastructure. */
.experiences-archive,.experience-detail>section{padding:84px 0;border-bottom:1px solid var(--plenum-line)}.experience-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.experience-card{display:block;border-bottom:4px solid var(--plenum-red);background:#fff;box-shadow:0 7px 24px rgba(0,0,0,.05);transition:.25s}.experience-card:hover{transform:translateY(-4px);box-shadow:0 15px 38px rgba(0,0,0,.1)}.experience-card-media{position:relative;min-height:280px;overflow:hidden;background:#151515}.experience-card-media img{width:100%;height:280px;object-fit:cover;transition:transform .35s}.experience-card:hover img{transform:scale(1.025)}.experience-card-media:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.65),transparent 55%)}.experience-card-media>span{position:absolute;z-index:2;left:18px;bottom:16px;color:#fff;font-size:10px;text-transform:uppercase;letter-spacing:.12em}.experience-card-copy{padding:25px}.experience-card-copy h2{font-size:28px;font-weight:300;line-height:1.1;margin:0 0 12px}.experience-card-copy p{color:#555;line-height:1.65}.experience-card-copy strong{display:block;margin-top:20px;color:var(--plenum-red);font-size:10px;text-transform:uppercase;letter-spacing:.11em}
.experience-runtime-section{background:#171717;color:#fff;border-bottom:10px solid var(--plenum-red)!important}.experience-stage{position:relative;min-height:620px;background:#0d0d0d;overflow:hidden}.experience-preview{position:absolute;inset:0}.experience-cover{width:100%;height:100%;object-fit:cover}.experience-preview-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.9),rgba(0,0,0,.55) 52%,rgba(0,0,0,.16))}.experience-preview-copy{position:absolute;z-index:2;left:7%;top:50%;width:min(560px,86%);transform:translateY(-50%)}.experience-preview-copy h2{font-size:44px;font-weight:300;line-height:1.08;margin:15px 0 22px}.experience-activate,.experience-close,.experience-fullscreen{appearance:none;border:1px solid #fff;background:transparent;color:#fff;padding:13px 18px;font:inherit;font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;cursor:pointer}.experience-activate:hover,.experience-close:hover,.experience-fullscreen:hover{background:#fff;color:#111}.experience-privacy-note,.experience-unavailable{max-width:540px;color:#c8c8c8;font-size:11px;line-height:1.65}.experience-runtime-mount{position:absolute;inset:0;display:grid;grid-template-rows:auto 1fr auto;background:#090909}.experience-runtime-mount[hidden]{display:none}.experience-runtime-toolbar{display:flex;justify-content:flex-end;gap:8px;padding:12px;background:#171717;border-bottom:1px solid #333}.experience-runtime-surface{min-height:0;display:flex;align-items:center;justify-content:center}.experience-frame,.experience-video,.experience-unity-canvas{display:block;width:100%;height:100%;min-height:500px;border:0;background:#000}.experience-video{object-fit:contain}.experience-runtime-status{min-height:42px;margin:0;padding:13px 16px;background:#171717;color:#bbb;font-size:11px;letter-spacing:.05em}.experience-runtime-status.is-error{color:#fff;border-left:5px solid var(--plenum-red)}.experience-device-note{margin:18px 0 0;color:#aaa;font-size:11px}.experience-fallback{margin-top:30px;padding:28px;background:#fff;color:#333;border-left:5px solid var(--plenum-red)}.experience-fallback .section-title{margin-bottom:18px}.experience-editorial,.experience-projects{background:#fff}
@media(max-width:1000px){.experience-grid{grid-template-columns:1fr 1fr}.experience-stage{min-height:540px}.experience-frame,.experience-video,.experience-unity-canvas{min-height:420px}}
@media(max-width:650px){.experiences-archive,.experience-detail>section{padding:64px 0}.experience-grid{grid-template-columns:1fr}.experience-card-media,.experience-card-media img{height:240px;min-height:240px}.experience-stage{min-height:520px}.experience-preview-copy{left:24px;top:auto;bottom:32px;transform:none;width:calc(100% - 48px)}.experience-preview-copy h2{font-size:34px}.experience-frame,.experience-video,.experience-unity-canvas{min-height:390px}.experience-runtime-toolbar{justify-content:stretch}.experience-close,.experience-fullscreen{flex:1}}

/* Phase 9: production Contact, Legal and intentional 404 presentation. */
.contact-section,.legal-section{padding:84px 0;border-bottom:1px solid var(--plenum-line)}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:72px;align-items:start}.contact-intro h2,.form-status h2,.legal-prose h2{font-size:36px;font-weight:300;line-height:1.12;margin:0 0 20px}.contact-intro p,.legal-prose p,.legal-prose li{color:#4b4845;line-height:1.72}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:22px 18px}.form-field{display:grid;align-content:start;gap:8px}.form-field--full{grid-column:1/-1}.form-field label{font-size:10px;text-transform:uppercase;letter-spacing:.1em;font-weight:700}.form-field input,.form-field select,.form-field textarea{width:100%;border:1px solid var(--plenum-line);border-radius:0;background:#fff;color:var(--plenum-ink);padding:14px;font:inherit;font-size:15px}.form-field textarea{resize:vertical;min-height:180px}.form-field [aria-invalid="true"]{border-color:var(--plenum-red);border-width:2px}.field-error{color:#8b151a;font-size:12px;line-height:1.45}.form-status{margin-bottom:24px;padding:22px 24px;border-left:5px solid var(--plenum-red);background:var(--plenum-paper)}.form-status h2{font-size:25px;margin-bottom:10px}.form-status p,.form-status ul{margin:0;line-height:1.6}.form-status a{text-decoration:underline}.form-status--success{border-left-color:#27733d}.contact-privacy-note{margin-top:12px;color:#68635f;font-size:12px;line-height:1.6}.contact-privacy-note a,.legal-prose a{color:var(--plenum-red);text-decoration:underline;text-underline-offset:2px}.contact-honeypot{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}.legal-prose{max-width:920px}.legal-prose h2{margin-top:46px}.legal-prose h3{font-size:21px;margin:30px 0 10px}.legal-prose>:first-child{margin-top:0}.legal-prose .privacy-note{margin-bottom:34px}.privacy-note{border-left:4px solid var(--plenum-red);background:var(--plenum-paper);padding:18px 22px;color:#555}.privacy-note strong{display:block;margin-bottom:7px}.error-404{min-height:55vh}.error-404 .button{margin-top:15px}
@media(max-width:850px){.contact-grid{grid-template-columns:1fr;gap:42px}}
@media(max-width:650px){.contact-section,.legal-section{padding:64px 0}.contact-form{grid-template-columns:1fr}.form-field{grid-column:1}.contact-intro h2,.legal-prose h2{font-size:31px}}