/* 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}
}