/* CI / BI: approved monochrome identity */
:root{--ci-ink:#252725;--ci-secondary:#5b656b;--ci-line:#dfe3e5;--ci-accent:#5b7582}
header{display:grid;grid-template-columns:220px 1fr auto;gap:30px;align-items:center;padding:23px 6%;border-bottom:1px solid var(--ci-line);background:#fff}
header .brand{grid-column:1;grid-row:1;justify-self:start;display:block;line-height:0;letter-spacing:0}
.brand-lockup{display:block;width:220px;height:auto;mix-blend-mode:multiply}
header nav{grid-column:2;grid-row:1;margin:0;padding:0;border:0;gap:22px;justify-content:center;align-items:center;text-transform:none;letter-spacing:0;font-size:14px;line-height:1.5}
header nav a{white-space:nowrap;min-height:44px;display:flex;align-items:center;padding:10px 0}header nav a[aria-current]:after{bottom:1px;left:0;width:100%}
header .nav-cta{grid-column:3;grid-row:1;text-transform:none;letter-spacing:0;font-size:15px;min-height:44px;display:flex;align-items:center;max-width:none}header .nav-cta span{margin-left:10px}
#menu{grid-column:1;grid-row:1;padding:10px 0;min-width:44px;min-height:44px}.menu-line{display:block;width:21px;height:1px;background:#252725;margin:6px 0}
footer{display:grid;grid-template-columns:220px 1fr auto;gap:35px;padding:45px 6%;align-items:start;color:#576166}footer .brand{display:block;grid-column:auto;letter-spacing:0;line-height:0}footer .brand-lockup{width:200px}.footer-resources{font-size:15px;gap:14px 25px;line-height:1.7}.footer-resources a{min-height:36px;display:flex;align-items:center}.footer-origin{font-size:14px;line-height:1.8}.footer-origin a{display:block}footer small{grid-column:1/-1;margin:0;font-size:12px}
:focus-visible{outline:2px solid #536b78;outline-offset:5px}a,button,input,select,textarea{-webkit-tap-highlight-color:transparent}.section{padding-top:90px;padding-bottom:90px}.eyebrow{letter-spacing:.09em;color:#606970}p{color:var(--ci-secondary)}.engineering-source{font-size:13px;line-height:1.75}.btn,.text-btn{min-height:44px}
@media(max-width:1150px){header{grid-template-columns:44px minmax(0,1fr) auto;gap:14px;padding:18px 6%;min-height:89px}header .brand{grid-column:2;justify-self:center}header .brand-lockup{width:205px;max-width:100%}#menu{display:block}header nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;grid-column:auto;grid-row:auto;padding:20px 6% 28px;border-bottom:1px solid var(--ci-line);max-height:calc(100dvh - 90px);overflow-y:auto}header nav.open{display:flex;flex-direction:column;align-items:stretch;gap:2px;margin:0}header nav a{font-size:16px;line-height:1.5;min-height:48px;padding:10px 0}header nav a[aria-current]:after{width:25px}footer{grid-template-columns:200px 1fr}.footer-origin{grid-column:1/-1}}
@media(max-width:600px){header{grid-template-columns:35px minmax(0,1fr) 58px;gap:8px;padding:16px 5%}header .brand-lockup{width:195px}.nav-cta span{display:none}header .nav-cta{font-size:14px}.section{padding:60px 6%}.technology-lead,.catalog-top{padding-left:6%;padding-right:6%}footer{display:block;padding:35px 6%}footer .brand-lockup{width:210px}.footer-resources{display:flex;flex-direction:column;gap:5px;margin:25px 0}.footer-origin{margin:20px 0}footer small{display:block}.home-materials{padding-top:28px}.home-lead h1{font-size:35px}}
@media(max-width:360px){header .brand-lockup{width:165px}.home-lead h1{font-size:31px}}
/* Page-specific compositions */
.ci-interface{display:grid;grid-template-columns:1.15fr 1fr;gap:70px;align-items:start}.ci-interface .family-diagram{margin:0}.ci-definition{margin:25px 0}.ci-definition dt{font-size:17px;line-height:1.5;font-weight:500;color:#2b3c45;margin:20px 0 7px}.ci-definition dd{margin:0;font-size:16px;line-height:1.75;color:#59656d;padding-bottom:18px;border-bottom:1px solid #e5e9eb}.ci-three{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:35px}.ci-three article{border-top:1px solid #dfe4e7;padding-top:18px}.ci-three h3{font-size:24px}.ci-three p{font-size:16px;line-height:1.8}.ci-test-strip{padding-top:25px}.ci-route-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:35px}.ci-route-heading label{font-size:14px;line-height:1.6;min-width:290px}.ci-route-heading select{display:block;width:100%;background:#fff;border:0;border-bottom:1px solid #aebdc6;border-radius:0;padding:14px 0;min-height:48px;font-size:16px;color:#263b47}.ci-route-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:65px;align-items:start}.ci-route-grid>article{padding-top:28px}.ci-route-grid h3{font-size:30px;line-height:1.3}.ci-route-grid p{font-size:17px;line-height:1.8}.ci-optical-notes{padding-top:25px}.ci-optical-notes details,.ci-specification-note details{border-top:1px solid #dfe5e8;border-bottom:1px solid #dfe5e8;padding:24px 0}.ci-optical-notes summary,.ci-specification-note summary{cursor:pointer;font-size:20px;line-height:1.5}.ci-specification-note{padding-top:25px}.ci-definition{max-width:700px}.ci-optical-notes .engineering-source{max-width:75ch}
.ci-manufacturing figure,.ci-research figure,.ci-packaging figure{margin:0}.ci-manufacturing img,.ci-research img,.ci-packaging img{display:block;width:100%;height:auto}.ci-manufacturing figcaption,.ci-research figcaption,.ci-packaging figcaption{font-size:12px;line-height:1.7;color:#6a757c;margin:15px 0 35px}.ci-process-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.ci-process-strip article{border-top:1px solid #ced9df;padding-top:20px}.ci-process-strip article>span{font-size:13px;color:#637b88}.ci-process-strip h2{font-size:25px;line-height:1.35;margin:20px 0 14px}.ci-process-strip p{font-size:16px;line-height:1.75}.ci-quality{padding-top:25px}.ci-quality-list article{display:grid;grid-template-columns:.7fr 1.2fr 1fr;gap:35px;border-top:1px solid #dfe5e8;padding:25px 0;align-items:start}.ci-quality-list h3{font-size:23px;margin:0}.ci-quality-list p{font-size:16px;line-height:1.75;margin:0}.ci-quality-list span{font-size:15px;line-height:1.8;color:#3b5665}.ci-trace{display:grid;grid-template-columns:1fr 1fr;gap:20px 70px;padding-top:20px}.ci-trace>div p{font-size:17px;line-height:1.8;max-width:40ch}.ci-trace ol{list-style:none;padding:0;margin:0}.ci-trace li{padding:20px 0;border-top:1px solid #dce4e8}.ci-trace strong{display:block;font-size:20px;font-weight:400}.ci-trace li span{display:block;font-size:16px;line-height:1.7;color:#60717b;margin-top:7px}.ci-trace>.engineering-source{grid-column:1/-1}.ci-trace>.btn{justify-self:start}
.ci-agenda{margin-top:30px}.ci-agenda article{display:grid;grid-template-columns:65px 1fr;gap:30px;padding:38px 0;border-top:1px solid #dfe5e8}.ci-agenda article>span{font-size:14px;color:#69808c;margin-top:7px}.ci-agenda h2{font-size:32px;margin:0 0 15px}.ci-agenda p{font-size:17px;line-height:1.8;max-width:65ch}.ci-agenda .ci-study-variable{font-size:16px;color:#334d5c}.ci-research-output{display:grid;grid-template-columns:1fr 1fr;gap:35px;padding-top:20px}.ci-research-output ol{padding-left:23px;margin:0;font-size:17px;line-height:2.3}.ci-research-output>a{grid-column:1/-1;justify-self:start}.ci-people article{border-top:1px solid #dde4e8;padding:20px 0}.ci-people h2{font-size:28px}.ci-people p{font-size:17px;line-height:1.8}
.ci-contract-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.ci-contract-grid article{border-top:1px solid #dce5e9;padding-top:24px}.ci-contract-grid h2{font-size:32px}.ci-contract-grid p{font-size:17px;line-height:1.8;max-width:45ch}.ci-order-flow{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin:65px 0 0}.ci-order-flow li{border-top:1px solid #344d5a;padding-top:22px}.ci-order-flow li>span{font-size:13px;color:#6c7f89}.ci-order-flow h3{font-size:22px;line-height:1.4}.ci-order-flow p{font-size:16px;line-height:1.8}.ci-packaging{display:grid;grid-template-columns:1fr 1.2fr;gap:65px;padding-top:25px;align-items:center}.ci-packaging p{font-size:17px;line-height:1.8}.ci-packaging h2{font-size:38px}.ci-commercial{padding-top:20px}.ci-commercial dl{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:40px 0}.ci-commercial dl>div{border-top:1px solid #dce4e8;padding-top:20px}.ci-commercial dt{font-size:18px}.ci-commercial dd{margin:12px 0 0;font-size:16px;line-height:1.8;color:#60717c}
/* One short inquiry, progressive optional fields */
.ci-inquiry-lead{padding-bottom:0}.ci-inquiry{display:grid;grid-template-columns:.7fr 1.3fr;gap:75px;padding-top:55px}.ci-inquiry aside h2{font-size:30px;line-height:1.35;margin:0 0 15px}.ci-inquiry aside>p{font-size:16px;line-height:1.8}.ci-inquiry-origin{display:flex;align-items:center;gap:15px;font-size:13px;line-height:1.8;color:#67757d;margin-top:40px}.ci-inquiry-origin img{width:42px;height:42px}.ci-inquiry .inquiry-form{display:grid;grid-template-columns:1fr 1fr;gap:30px 35px;margin:0;max-width:none}.ci-inquiry label{font-size:15px;line-height:1.6;color:#303b42}.ci-inquiry input,.ci-inquiry select,.ci-inquiry textarea{display:block;width:100%;min-width:0;background:#fff;border:0;border-bottom:1px solid #a9b6be;border-radius:0;min-height:48px;font:16px/1.6 'DM Sans',Arial,sans-serif;color:#222;padding:12px 0;box-sizing:border-box}.ci-inquiry textarea{resize:vertical;min-height:125px}.ci-inquiry input:focus,.ci-inquiry textarea:focus,.ci-inquiry select:focus{border-color:#283f4c}.ci-inquiry .full{grid-column:1/-1}.ci-inquiry input[readonly]{color:#62737e;background:#fff}.inquiry-selection[hidden]{display:none!important}.inquiry-options{border-top:1px solid #dfe5e8;border-bottom:1px solid #dfe5e8;padding:18px 0}.inquiry-options summary{font-size:16px;line-height:1.6;cursor:pointer}.inquiry-options summary span{font-size:13px;color:#73808a;margin-left:12px}.inquiry-options>div{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:22px}.inquiry-trap{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}.inquiry-submit{border:0}.inquiry-submit .btn{font-size:17px;gap:25px;min-height:48px}.inquiry-delivery-note{font-size:14px;line-height:1.7;margin:15px 0 0;max-width:55ch;color:#687780}.form-status{font-size:16px;line-height:1.8;color:#315464}.form-status:empty{margin:0}.form-status[role=alert]{color:#8d3d34}.inquiry-privacy{font-size:13px;line-height:1.8;color:#6d7b84}.inquiry-privacy summary{cursor:pointer}.inquiry-privacy p{max-width:65ch}.inquiry-submit button:disabled{opacity:.5;cursor:wait}.stack-compact .stack-heading{display:none}.stack-compact .stack-focus>span{display:none}
@media(max-width:900px){.ci-interface,.ci-route-grid,.ci-trace,.ci-research-output,.ci-packaging,.ci-inquiry{grid-template-columns:1fr;gap:30px}.ci-process-strip,.ci-order-flow{grid-template-columns:1fr 1fr}.ci-inquiry aside{display:none}.ci-quality-list article{grid-template-columns:1fr 1fr}.ci-quality-list span{grid-column:2}.ci-commercial dl{grid-template-columns:1fr}.ci-route-heading{display:block}.ci-route-heading label{display:block;max-width:100%;min-width:0;margin-top:25px}.ci-packaging figure{order:-1}}
@media(max-width:600px){.ci-interface,.ci-optical,.ci-manufacturing,.ci-research,.ci-oem-program{padding-top:35px}.ci-three,.ci-process-strip,.ci-order-flow,.ci-contract-grid{grid-template-columns:1fr;gap:25px}.ci-quality-list article{grid-template-columns:1fr;gap:12px;padding:24px 0}.ci-quality-list span{grid-column:1}.ci-quality-list h3{font-size:23px}.ci-quality-list span{font-size:16px}.ci-agenda article{grid-template-columns:30px 1fr;gap:15px;padding:28px 0}.ci-agenda h2{font-size:28px}.ci-agenda p{font-size:16px}.ci-research-output ol{font-size:16px;line-height:2}.ci-order-flow{margin-top:35px}.ci-order-flow li{display:grid;grid-template-columns:30px 1fr;gap:6px 14px}.ci-order-flow li>span{grid-row:1/3}.ci-order-flow h3{margin:0}.ci-order-flow p{margin:0}.ci-packaging h2{font-size:33px}.ci-inquiry{padding-top:30px}.ci-inquiry .inquiry-form{grid-template-columns:1fr;gap:25px}.ci-inquiry label,.inquiry-options>div label{font-size:16px}.ci-inquiry .full{grid-column:1}.inquiry-options>div{grid-template-columns:1fr}.inquiry-delivery-note{font-size:14px}.ci-interface .family-diagram{margin:0}.ci-optical-notes,.ci-specification-note{padding-top:15px}.ci-route-grid h3{font-size:29px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
/* Refinement from first rendered review */
.brand-lockup{filter:contrast(1.18) brightness(1.05)}
.ci-inquiry .inquiry-form label{display:block;gap:0}.ci-inquiry label>input,.ci-inquiry label>select,.ci-inquiry label>textarea{margin-top:8px}.ci-inquiry label>span[aria-hidden]{font-size:13px;margin-left:4px;color:#6c7b84}
dialog .detail-copy{font-size:16px;line-height:1.8}dialog .close{width:44px;height:44px;min-height:44px}.catalog-tabs a{font-size:16px}.ci-quality-list span{font-size:16px}