/* White, unboxed editorial system. Images describe materials, never facilities. */
.brand-hero{padding:70px 8% 30px;background:#fff;display:grid;grid-template-columns:1.15fr 1fr;gap:45px;align-items:center}
.brand-hero-copy{max-width:950px;min-width:0}.brand-hero h1{font-size:clamp(54px,4.7vw,72px);line-height:1.09;letter-spacing:-2.4px;margin:24px 0}
.brand-hero-copy>p{font-size:18px;line-height:1.8;color:#535b60;max-width:680px}
.brand-hero .content-photo{margin:25px 0 0}.brand-hero .content-photo img{max-height:540px;object-fit:contain;width:100%}
.brand-hero-foot{grid-column:1/-1;display:flex;justify-content:space-between;gap:20px;padding:24px 0;border-top:1px solid #e0e4e6;font-size:14px;color:#48535a}
.content-photo{margin:0;min-width:0}.content-photo img{width:100%;height:auto;display:block;background:#fff}.content-photo figcaption,.family-diagram figcaption{font-size:12px;line-height:1.6;color:#626c72;margin:14px 0}
.brand-portfolio .portfolio-card:nth-child(2){margin-top:70px}.portfolio-card .family-diagram{margin-bottom:32px}.portfolio-card .family-diagram img{min-height:290px}
.framework-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:42px}.framework-grid article{padding-top:24px;border-top:1px solid #aab8bf}.framework-grid h3{font-size:25px;letter-spacing:-.7px;margin:24px 0 14px}.framework-grid p{font-size:16px;line-height:1.8;color:#5a6267}.framework-grid .framework-line{font-size:19px;color:#202b32;line-height:1.5}
.brand-supply{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.brand-supply h2{font-size:48px}.brand-supply p{font-size:17px;line-height:1.8;max-width:620px;color:#555f65}.brand-supply .content-photo{align-self:center}
.family-diagram{margin:0;min-width:0}.family-diagram img{display:block;width:100%;height:auto;object-fit:contain}.diagram-key{padding:0;margin:18px 0;list-style-position:inside;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;font-size:14px;line-height:1.65;color:#3b4a52}.diagram-key li{padding:0}
.tech-family{display:grid;grid-template-columns:1fr 1.15fr;gap:80px;align-items:start;border-top:1px solid #dce2e5;padding:65px 0}.tech-family>div{min-width:0}.tech-family h2{font-size:40px;margin:16px 0}.tech-family p,.tech-family dd{font-size:17px;line-height:1.8;color:#535f66}.tech-family dl{margin:25px 0}.tech-family dt{font-size:14px;font-weight:600;color:#293943;margin-top:22px}.tech-family dd{margin:7px 0}.tech-family .family-diagram{position:sticky;top:25px}
.source-details{border-top:1px solid #dce2e5;padding:25px 0;margin:30px 0;font-size:15px;line-height:1.8}.source-details summary{cursor:pointer;font-size:17px}.source-details a{text-decoration:underline;text-underline-offset:4px}.source-details p{max-width:850px}
.ppf-architecture{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}.ppf-architecture p{font-size:17px;line-height:1.8;color:#535f66}.ppf-architecture .engineering-source{font-size:13px}.layer-legend{padding:0;list-style:none}.layer-legend li{padding:15px 0;border-bottom:1px solid #e0e5e7;font-size:17px}.layer-legend span{font-size:12px;color:#71808a;margin-right:24px}
.research-questions{display:grid;grid-template-columns:1fr;gap:28px}.research-questions article{display:grid;grid-template-columns:.8fr 1fr 1fr;gap:35px;border-top:1px solid #dce2e5;padding-top:25px}.research-questions h3{font-size:23px;line-height:1.45;margin:0}.research-questions p{font-size:17px;line-height:1.8;margin:0;color:#535f66}
.plain-list{padding-left:20px}.plain-list li{font-size:16px;line-height:1.8;margin-bottom:16px;color:#535f66}.plain-list strong{font-weight:500;color:#293943}
.catalog-top .content-photo{max-width:920px;margin:35px 0 15px}.catalog-top .content-photo img{max-height:350px;object-fit:contain;object-position:left center}
.editorial-product{border-top:1px solid #dce2e5;padding-top:12px}.editorial-product .family-diagram img{height:230px}.editorial-product .family-diagram figcaption{padding:0 0 0 12px}.editorial-product .product-body{padding:20px 0}.editorial-product .product-body>p{min-height:112px}.editorial-product .spec-row{align-items:flex-start;gap:16px;padding:16px 0}.editorial-product .spec-row strong{font-weight:400;color:#35434b;max-width:70%}.editorial-product .product-actions{margin-top:24px}.products{column-gap:42px;row-gap:55px}
.footer-resources{display:flex;gap:22px;flex-wrap:wrap;font-size:14px}footer small{font-size:12px}
.roll-record{margin:30px 0 50px}.roll-record img{display:block;width:100%;max-width:1000px;margin:auto}.roll-record ol{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;list-style:none;padding:0;border-top:1px solid #dce2e5;padding-top:25px}.roll-record li{font-size:16px;line-height:1.8}.roll-record strong{display:block;font-weight:500;font-size:19px}.roll-record figcaption{font-size:12px;color:#626c72}
nav{gap:clamp(14px,2vw,32px)}
@media(max-width:1100px){.framework-grid{gap:25px}.brand-supply{gap:35px}.tech-family{gap:40px}.research-questions article{grid-template-columns:1fr 1.5fr}.research-questions article>p:last-child{grid-column:2}.framework-grid h3{font-size:22px}.brand-hero{padding-top:55px}}
@media(max-width:800px){.framework-grid,.brand-supply,.ppf-architecture,.tech-family{grid-template-columns:1fr;gap:30px}.framework-grid{gap:30px}.tech-family .family-diagram{position:static;max-width:550px}.tech-family{padding:40px 0}.tech-family>div{grid-row:1}.ppf-architecture{padding-top:45px}.brand-supply .content-photo{grid-row:2}.brand-hero h1{font-size:clamp(44px,8vw,65px);letter-spacing:-1.7px}.brand-hero{padding:45px 7% 25px}.brand-hero-copy>p{font-size:17px}.brand-hero-foot{flex-direction:column;font-size:14px}.brand-supply h2{font-size:38px}.research-questions article{grid-template-columns:1fr;gap:18px}.research-questions article>p:last-child{grid-column:auto}.roll-record ol{gap:18px}.roll-record strong{font-size:16px}.roll-record li{font-size:14px}.brand-portfolio .portfolio-card:nth-child(2){margin-top:25px;width:100%}.diagram-key{font-size:14px}.editorial-product .product-body>p{min-height:0}}
@media(max-width:480px){.brand-hero h1{font-size:45px}.brand-hero .content-photo img{min-height:200px;object-fit:contain}.brand-hero .hero-actions{gap:22px;flex-wrap:wrap}.tech-family h2{font-size:36px}.diagram-key{grid-template-columns:1fr}.catalog-top .content-photo{margin-top:20px}.roll-record ol{grid-template-columns:1fr}.roll-record li{font-size:16px}.roll-record strong{font-size:18px}.footer-resources{flex-direction:column;gap:12px}.framework-grid h3{font-size:25px}}
@media(max-width:1000px){.brand-hero{grid-template-columns:1fr;gap:18px}.brand-hero .content-photo img{max-height:380px}.brand-hero h1{font-size:clamp(44px,7.5vw,66px)}}

/* Shared typography: quiet, readable manufacturing identity. Keep the logo separate. */
:root{--display:'DM Sans',Arial,sans-serif}
h1,h2,h3,h4{font-family:var(--display);font-weight:400;letter-spacing:-.025em;line-height:1.22;overflow-wrap:break-word}
h1 em,h2 em{font-style:normal;font-weight:400}
.brand-hero h1,.catalog-top h1,.technology-lead h1,.inquiry h1{font-size:clamp(38px,4.2vw,60px);font-weight:400;letter-spacing:-.035em;line-height:1.14}
h2,.section-head h2,.brand-supply h2,.project-cta h2{font-size:clamp(30px,3.1vw,44px);letter-spacing:-.025em;line-height:1.22}
.tech-family h2{font-size:clamp(29px,2.8vw,40px);letter-spacing:-.025em;line-height:1.22}
.portfolio-card h3{font-size:32px;letter-spacing:-.025em;line-height:1.25}
.framework-grid h3{font-weight:500;letter-spacing:-.02em;line-height:1.3}
.brand-hero-copy>p{color:#4d555a}
@media(max-width:760px){.brand-hero h1,.catalog-top h1,.technology-lead h1,.inquiry h1{font-size:clamp(36px,8.7vw,50px);letter-spacing:-.03em;line-height:1.16}.portfolio-card h3{font-size:28px}}
/* Supplied four-square symbol and mobile reading/touch refinements. */
.brand-symbol{width:48px;height:48px;flex-shrink:0}footer .brand-symbol{width:40px;height:40px}
@media(max-width:760px){
 header{grid-template-columns:44px minmax(0,1fr) 70px;column-gap:8px}
 header .brand{justify-self:center;font-size:19px;gap:5px;letter-spacing:1.5px}
 header .brand-symbol{width:40px;height:40px}
 #menu{min-width:44px;min-height:44px;text-align:left}
 .nav-cta{font-size:14px;line-height:1.5;letter-spacing:0;min-height:44px;display:flex;align-items:center;max-width:70px}
 nav.open{gap:4px;padding:16px 7% 24px;max-height:calc(100dvh - 90px);overflow-y:auto}
 nav a{display:flex;align-items:center;min-height:48px;font-size:16px;line-height:1.5;letter-spacing:0;padding:12px 0}
 nav a[aria-current]:after{bottom:5px}
 .btn,.hero-secondary,.text-btn,.portfolio-card a{font-size:16px;line-height:1.5;min-height:44px}
 .product-actions button,.catalog-tabs a,.material-tabs button{min-height:44px;line-height:1.5}
 .brand-hero-copy>p,.section-head p,.tech-family p,.tech-family dd,.brand-supply p{font-size:17px;line-height:1.75}
 .product-body>p,.framework-grid p,.plain-list li{font-size:16px;line-height:1.75}
 .inquiry-form input,.inquiry-form select,.inquiry-form textarea{font-size:16px;line-height:1.5;min-height:48px}
 .spec-row,.diagram-key,.source-details{line-height:1.65}
}
/* Mobile specification reading and criterion-by-criterion comparison. */
.comparison-mobile{display:none}
@media(max-width:760px){
 .editorial-product .spec-row{display:block;font-size:16px;line-height:1.75}
 .editorial-product .spec-row>span{display:block;font-weight:500;color:#293943;margin-bottom:5px}
 .editorial-product .spec-row strong{display:block;max-width:none;text-align:left;font-size:16px;line-height:1.75}
 dialog .detail-copy,dialog table,dialog .comparison-intro{font-size:16px;line-height:1.75}
 .detail-specs,.detail-specs tbody,.detail-specs tr,.detail-specs th,.detail-specs td{display:block;width:100%}
 dialog .detail-specs tr{padding:20px 0;border-bottom:1px solid #e4e4e4}
 dialog .detail-specs th,dialog .detail-specs td{font-size:16px;line-height:1.75;min-width:0;border:0;padding:0;text-align:left}
 dialog .detail-specs th{font-weight:500;color:#293943;margin-bottom:6px}
 .comparison-desktop{display:none}.comparison-mobile{display:block}
 .comparison-intro{color:#535f66;margin-bottom:28px}
 .comparison-criterion{border-top:1px solid #cbd3d8;padding:24px 0 8px}
 .comparison-criterion h3{font-size:22px;line-height:1.3;margin:0 0 22px;letter-spacing:-.02em}
 .comparison-criterion dl{margin:0}.comparison-criterion dl>div{padding:0 0 22px}
 .comparison-criterion dt{font-size:16px;line-height:1.5;font-weight:600;color:#293943;margin:0 0 6px}
 .comparison-criterion dd{font-size:16px;line-height:1.75;color:#4d555a;margin:0;overflow-wrap:anywhere}
}
/* Plain-language process steps; essential outputs are reading text. */
.buyer-process .process-routes li strong{display:block;font-weight:500;color:#293943;margin-bottom:4px}
.buyer-process .process-routes li span{display:block;font-size:16px;line-height:1.75;color:#535f66}
.buyer-process .oem-steps small{display:block;font-size:16px;line-height:1.75;color:#3e4b53;margin-top:10px}
.buyer-process .buyer-faq p{font-size:16px;line-height:1.75;max-width:70ch}
.buyer-process .oem-steps p{font-size:17px;line-height:1.75}
@media(max-width:760px){.buyer-process .process-routes{gap:48px}.buyer-process .oem-steps li{grid-template-columns:28px minmax(0,1fr);gap:14px}.buyer-process .step-number{font-size:23px}.buyer-process .engineering-source{font-size:16px;line-height:1.75}.buyer-process .buyer-faq summary{line-height:1.5}}
/* Definitions beside the term, with full-size reading text. */
.tech-plain .quality-columns{margin-bottom:20px}.tech-plain>p{font-size:17px;line-height:1.75;max-width:70ch;color:#535f66}
.plain-terms{max-width:850px;margin:30px 0 0}.plain-terms dt{font-size:18px;line-height:1.5;font-weight:500;color:#293943;margin:24px 0 7px}.plain-terms dd{font-size:17px;line-height:1.75;color:#535f66;margin:0;padding-bottom:22px;border-bottom:1px solid #e0e5e7}
@media(max-width:760px){.plain-terms dt{font-size:17px}.plain-terms dd{font-size:16px;line-height:1.75}.tech-family dt{font-size:16px}.tech-plain .engineering-source{font-size:16px;line-height:1.75}}

/* v14 catalog material mapping */
.catalog-difference{color:#222;font-weight:500}.catalog-framework{border-top:1px solid #d5dadd;padding:20px 0;margin:20px 0}.catalog-framework strong{font-size:17px;font-weight:500;color:#243c48}.catalog-framework p{font-size:16px;line-height:1.75;margin:10px 0}.catalog-layer-list{padding-left:24px;font-size:16px;line-height:1.8}.catalog-framework h3{font-size:22px;font-weight:400}.catalog-framework{overflow-wrap:anywhere}

/* CCUBE Layer Atlas: vector plates and external readable controls */
.ccube-stack{background:#fff;margin:24px 0}.stack-heading{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid #e4e9eb;font-size:12px;line-height:1.6;letter-spacing:.08em;color:#536a76}.ccube-stack svg{width:100%;height:auto;display:block;max-height:360px}.stack-plane{transition:opacity .2s}.has-selection .stack-plane{opacity:.16}.has-selection .stack-plane.is-selected{opacity:1}.stack-roles{list-style:none;padding:0;margin:12px 0}.stack-roles li{border-top:1px solid #e6eaec}.stack-roles button{display:flex;gap:16px;text-align:left;width:100%;border:0;border-radius:0;background:none;padding:14px 2px;color:#273b46;font:inherit;cursor:pointer}.stack-number{font-size:13px;padding-top:3px;color:#607d8c}.stack-roles strong{display:block;font-size:16px;line-height:1.5;font-weight:500}.stack-role{display:block;font-size:16px;line-height:1.65;color:#5a6870;margin-top:4px}.stack-roles button[aria-pressed=true]{box-shadow:inset 3px 0 #7196a9;padding-left:12px}.stack-roles button:focus-visible{outline:2px solid #7196a9;outline-offset:2px}.editorial-product .ccube-stack figcaption{padding:0}.ccube-stack figcaption{font-size:12px} @media(max-width:600px){.ccube-stack svg{max-height:285px}.stack-heading{letter-spacing:.02em}.stack-roles button{min-height:48px}.stack-role{font-size:16px;line-height:1.75}}
@media(min-width:900px){dialog .ccube-stack{display:grid;grid-template-columns:1fr 1fr;gap:12px 25px}dialog .stack-heading{grid-column:1/-1}dialog .ccube-stack svg{grid-column:1;grid-row:2;align-self:center}dialog .stack-roles{grid-column:2;grid-row:2}dialog .ccube-stack figcaption{grid-column:1/-1;grid-row:3}}

/* v16 larger, differentiated construction studies */
.ccube-stack svg{max-height:none;width:100%}.stack-focus{padding:12px 0}.stack-focus span{display:block;font-size:12px;letter-spacing:.08em;color:#687b83}.stack-focus strong{display:block;font-weight:500;font-size:18px;margin-top:7px;line-height:1.4}.stack-compact .stack-focus{border-bottom:1px solid #e3e8ea}.editorial-product .product-body>p{min-height:0}.editorial-product .ccube-stack{margin:0}.stack-roles{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}dialog .ccube-stack{display:block}dialog .ccube-stack svg{max-height:none}.catalog-layer-list{display:none}@media(min-width:1000px){.products{grid-template-columns:1fr}.editorial-product{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;padding-top:35px}.editorial-product .product-body{padding:20px 0}.ccube-stack svg{max-height:490px}dialog .ccube-stack svg{max-height:520px}}@media(max-width:600px){.ccube-stack svg{max-height:none}.stack-roles{grid-template-columns:1fr}.stack-focus strong{font-size:17px}.stack-heading{font-size:12px}}

/* PPF editorial introduction: one image, restrained material nomenclature */
.ppf-editorial-intro{display:grid;grid-template-columns:.9fr 1.3fr;column-gap:35px;align-items:start}.ppf-editorial-intro .breadcrumb{grid-column:1/-1;margin-bottom:48px}.ppf-editorial-intro .eyebrow{grid-column:1;grid-row:2;align-self:end}.ppf-editorial-intro h1{grid-column:1;grid-row:3;margin:24px 0}.ppf-editorial-intro>p{grid-column:1;grid-row:4;font-size:17px;line-height:1.8;max-width:390px;margin:0}.ppf-intro-photo{grid-column:2;grid-row:2/6;margin:0;align-self:center;min-width:0}.ppf-intro-photo img{width:100%;height:auto;display:block}.ppf-intro-photo figcaption{font-size:12px;line-height:1.5;color:#6d7479;text-align:right;margin-top:15px}.ppf-editorial-intro .catalog-tabs{grid-column:1/-1;margin-top:45px}.ppf-editorial-intro+.section{padding-top:45px}@media(max-width:760px){.ppf-editorial-intro{display:block}.ppf-editorial-intro .breadcrumb{margin-bottom:32px}.ppf-editorial-intro h1{margin:20px 0}.ppf-editorial-intro>p{font-size:16px;line-height:1.75}.ppf-intro-photo{margin:24px -10px 0}.ppf-intro-photo figcaption{text-align:left;padding:0 10px}.ppf-editorial-intro .catalog-tabs{margin-top:30px}.ppf-editorial-intro+.section{padding-top:28px}}
.ppf-finish-key{display:block;font-size:16px;line-height:1.6;color:#485b65;margin-bottom:6px}

/* Main editorial system: two materials, two images, no duplicated portfolio */
.home-materials{padding:42px 8% 30px;background:#fff}.home-lead{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:10px}.home-lead h1{font-size:clamp(36px,4vw,58px);font-weight:400;line-height:1.12;letter-spacing:-.035em;margin:17px 0 12px}.home-process{font-size:16px;line-height:1.8;color:#52626a;margin:0 0 14px;text-align:right}.home-material-pair{display:grid;grid-template-columns:1fr 1fr;gap:48px}.home-material{min-width:0}.home-material-image{display:block}.home-material-image img{display:block;width:100%;height:clamp(210px,21vw,310px);object-fit:contain}.home-material-label{border-top:1px solid #dce3e6;padding-top:17px}.home-material-label h2{font-size:clamp(23px,2.1vw,30px);font-weight:400;letter-spacing:-.02em;line-height:1.3;margin:8px 0 10px}.home-material-label h2 a{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.home-material-label h2 span{font-size:20px;color:#627782}.home-material-label p{font-size:16px;line-height:1.7;color:#55636b;margin:0}.home-material-foot{display:flex;justify-content:space-between;gap:24px;margin-top:25px;font-size:12px;line-height:1.6;color:#69757c}.home-material-foot a{font-size:15px;color:#263e4b;padding-bottom:5px;border-bottom:1px solid #b7c5cd}.home-discipline-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:45px}.home-discipline-grid article{border-top:1px solid #dce3e6;padding-top:22px;min-width:0}.home-discipline-grid h3{font-size:25px;line-height:1.4;font-weight:400;margin:18px 0}.home-discipline-grid p{font-size:16px;line-height:1.8;color:#55636b;max-width:30ch}.home-discipline-grid a,.home-text-link,.home-programs a{display:inline-block;font-size:16px;line-height:1.6;padding:9px 0;border-bottom:1px solid #b5c3cb}.home-framework-note{font-size:12px;line-height:1.7;color:#6a777e;margin-top:35px}.home-programs{display:grid;grid-template-columns:1fr 1fr;gap:65px;padding-top:20px}.home-programs>div{border-top:1px solid #dce3e6;padding-top:30px}.home-programs h2{font-weight:400;margin:23px 0}.home-programs p{font-size:17px;line-height:1.85;color:#55636b}.home-disciplines .section-head{align-items:flex-end}@media(max-width:760px){.home-materials{padding:32px 6% 25px}.home-lead{display:block;margin-bottom:18px}.home-lead h1{font-size:36px;line-height:1.15;margin:16px 0}.home-process{font-size:14px;line-height:1.7;text-align:left;margin:0;max-width:36ch}.home-process br{display:none}.home-process br:after{content:' / '}.home-process{display:none}.home-material-pair{gap:20px}.home-material-image img{height:auto;aspect-ratio:1.25;object-fit:contain}.home-material-label{padding-top:14px}.home-material-label .eyebrow{font-size:12px;line-height:1.6;letter-spacing:.04em}.home-material-label h2{font-size:23px;line-height:1.25;margin:10px 0}.home-material-label h2 a{align-items:flex-start}.home-material-label h2 span{font-size:17px}.home-material-label p{font-size:16px;line-height:1.65}.home-material-foot{display:block;margin-top:22px}.home-material-foot>span{display:block;margin-bottom:15px}.home-material-foot a{font-size:16px;padding:8px 0}.home-discipline-grid,.home-programs{grid-template-columns:1fr;gap:32px}.home-discipline-grid h3{font-size:26px}.home-programs{padding-top:0}.home-programs p{font-size:16px}.home-discipline-grid p{max-width:none}.home-disciplines .section-head{display:block}.home-text-link{margin-top:12px}}@media(max-width:360px){.home-material-pair{gap:14px}.home-lead h1{font-size:32px}.home-material-label h2{font-size:21px}}
@media(min-width:900px) and (max-height:800px){.home-materials{padding-top:25px}.home-lead h1{font-size:46px;margin:12px 0 5px}.home-material-image img{height:200px}.home-material-label{padding-top:12px}.home-material-label h2{font-size:25px;margin:6px 0}.home-material-foot{margin-top:16px}}
/* Mobile materials: full-width vertical sequence */
@media(max-width:760px){.home-material-pair{grid-template-columns:1fr;gap:44px}.home-material-image img{width:100%;height:auto;aspect-ratio:1.5;object-fit:contain}.home-material-label h2{font-size:28px;line-height:1.25}.home-material-label h2 a{align-items:baseline}.home-material-label .eyebrow{letter-spacing:.06em}.home-material-label p{font-size:16px;line-height:1.75;max-width:38ch}.home-material-label{padding-top:17px}.home-lead{margin-bottom:24px}.home-material-foot{margin-top:28px}}
@media(max-width:360px){.home-material-pair{gap:36px}.home-material-label h2{font-size:25px}}