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.js .js-only[hidden]{display:none!important}
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@media print{.site-header,.mode-toggle,.menu-toggle,dialog,#perspective-layer{display:none!important}body{font-size:12px}.section,.page-heading{padding:25px}.hero-visual{margin:0}.cta{break-inside:avoid}.contact-form-panel{display:none}}

/* V1.1: audience picker and expanded visual application stories. */
#mode-label{font-weight:750;font-size:12px;letter-spacing:0}
.mode-toggle{min-width:120px;max-width:165px}
#footer-copy{white-space:pre-line}
.topic-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;margin:0 var(--pad) 55px;border-top:1px solid var(--line);padding-top:22px}
.topic-nav a{font-size:10px;font-weight:550;letter-spacing:.07em;display:flex;gap:12px;align-items:center;line-height:1.7;padding:6px 0}
.topic-nav a>span:first-child{color:var(--muted);font-size:10px}.topic-nav a>span:last-child{margin-left:auto;color:var(--graphite);font-size:20px}
.process-story{display:grid;grid-template-columns:.9fr 1.3fr;gap:5vw;padding:60px var(--pad);align-items:center}
.process-story.reverse{grid-template-columns:1.3fr .9fr}.process-story.reverse .process-copy{order:2}
.process-copy h2{font-size:clamp(30px,3vw,46px);margin-bottom:25px}.process-copy .lead{font-size:17px;line-height:1.65}
.process-copy>p:not(.eyebrow):not(.lead){font-size:13px;line-height:1.8;margin-top:20px}
.process-story .engineering-image img{aspect-ratio:auto;width:100%;height:auto}
.engineering-question{border-top:1px solid #b7bcbe;margin-top:28px;padding-top:18px}.engineering-question p{font-size:14px;color:var(--graphite);margin-top:9px}
.mode-choices strong{font-size:25px;font-weight:650}.mode-choices button{min-height:195px}.mode-choices .index{font-size:9px;letter-spacing:.07em}
dialog{width:900px;padding:36px}dialog .mode-choices strong{font-size:25px}dialog .mode-choices button{min-height:205px}
.site-header .header-cta{max-width:190px}.hero-copy .actions .button{max-width:100%}
@media(max-width:900px){.process-story,.process-story.reverse{gap:30px;grid-template-columns:1fr 1fr}.process-copy .lead{font-size:15px}.topic-nav{gap:15px}.topic-nav a{font-size:9px}.mode-toggle{min-width:105px}}
@media(max-width:740px){.process-story,.process-story.reverse{grid-template-columns:1fr;padding:42px var(--pad);gap:28px}.process-story.reverse .process-copy{order:0}.process-copy h2{font-size:34px}.process-copy .lead{font-size:17px}.topic-nav{grid-template-columns:1fr 1fr;margin-bottom:20px;gap:12px 20px}.mode-toggle{min-width:105px;max-width:130px}#mode-label{font-size:11px}dialog{padding:24px}dialog .mode-choices button{min-height:148px}.mode-choices strong,dialog .mode-choices strong{font-size:23px}dialog .mode-choices .index{font-size:8px}.mode-choices button{min-height:155px}.contact-copy h1{font-size:clamp(40px,8vw,55px)}}
@media(max-width:360px){.brand span{font-size:14px}.brand img{width:28px}.mode-toggle{min-width:103px;max-width:105px;padding:7px 5px;gap:4px}#mode-label{font-size:10px}.process-copy h2{font-size:30px}.topic-nav{gap:9px 13px}.topic-nav a{letter-spacing:0;font-size:8px}.site-header{gap:8px}}
.expertise-grid>*,.contact-layout>*,.process-story>*,.hero-intro>*{min-width:0}
.map-branches span{min-width:0;overflow-wrap:anywhere}
.standards h3{overflow-wrap:anywhere}
@media(max-width:740px){.contact-copy h1 br:last-of-type{display:initial}.expertise-grid,.contact-layout{grid-template-columns:minmax(0,1fr)}}
@media(max-width:360px){.software-map{padding:30px 16px}.map-branches{gap:7px}.map-branches span{padding:10px 6px;font-size:9px}}

/* V1.2: selected card shrinks before its compact label flies to the header. */
#perspective-layer{position:fixed;inset:0;pointer-events:none;z-index:100;overflow:hidden}
.perspective-flight{position:fixed;border:1px solid var(--orange);background:var(--warm);box-shadow:0 8px 25px #0002;overflow:hidden;will-change:left,top,width,height}
.perspective-flight strong{position:absolute;white-space:nowrap;line-height:1.2;letter-spacing:-.035em;color:var(--graphite)}
.perspective-arriving>*{visibility:hidden}
@media(prefers-reduced-motion:reduce){#perspective-layer{display:none}}

/* V1.4: six engineering disciplines, scoped to Engineer What we do. */
.engineer-topics{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 30px}.engineer-topics a{font-size:11px;letter-spacing:.02em}.engineer-chapter{position:relative}.engineer-chapter .eyebrow{line-height:1.7}.chapter-anchor{position:absolute;top:0;scroll-margin-top:115px}.engineer-chapter .discipline-image{min-width:0;background:#101416}.engineer-chapter .discipline-image img{width:100%;height:auto;max-height:530px;object-fit:contain}.engineer-chapter .discipline-image.portrait img{height:500px;object-fit:contain}.engineer-closing p+p{margin-top:22px}
@media(max-width:740px){.engineer-topics{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 18px}.engineer-topics a{font-size:10px;letter-spacing:0}.engineer-chapter .discipline-image.portrait img{height:400px}.engineer-chapter .process-copy h2{overflow-wrap:break-word}}
@media(max-width:360px){.engineer-topics{gap:8px 12px}.engineer-topics a{font-size:9px;gap:7px}.engineer-chapter .discipline-image.portrait img{height:340px}}

/* V1.5: contextual image conversations. */
.image-trigger{display:block;position:relative;width:100%;padding:0;border:0;margin:0;background:transparent;color:inherit;text-align:inherit;cursor:pointer}.image-trigger:focus-visible{outline:3px solid var(--orange);outline-offset:-4px}.image-trigger:hover img{filter:brightness(1.05)}.image-trigger img{transition:filter .18s}.hero-visual .visual-title{pointer-events:none}.hero-visual .visual-title a{pointer-events:auto}
#image-dialog{width:620px;max-width:calc(100% - 28px);padding:32px;border-top:3px solid var(--orange)}.image-dialog-top{display:flex;justify-content:space-between;align-items:center;gap:18px}.image-close{border:0;background:transparent;font-size:30px;line-height:1;width:44px;height:44px;flex-shrink:0}#image-heading{font-size:clamp(29px,3.4vw,43px);margin:22px 0;overflow-wrap:break-word}#image-description{font-size:16px;line-height:1.7;color:var(--muted)}.image-dialog-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.image-dialog-actions .button{min-height:48px;flex:1;font-size:13px;padding:14px 18px}.image-continue{background:transparent;color:var(--graphite);border-color:#9ba2a5}.image-continue:hover{background:#fff;transform:none}.image-language{display:flex;align-items:center;gap:12px;margin-top:26px;border-top:1px solid #d3d5d3;padding-top:18px}.image-language label{margin:0;color:var(--muted);font-size:12px}.image-language select{font:inherit;font-size:12px;color:var(--graphite);background:transparent;border:1px solid #aeb5b7;border-radius:0;padding:9px 28px 9px 10px;min-height:42px}select:focus-visible{outline:3px solid #b44214;outline-offset:4px}
#image-perspectives{display:grid;gap:10px;margin-top:24px}#image-perspectives button{background:transparent;border:1px solid #b8bebf;padding:15px;text-align:left}#image-perspectives button:hover{background:#fff}#image-perspectives strong{display:block;font-size:18px;font-weight:650}#image-perspectives span{display:block;font-size:12px;color:var(--muted);margin-top:4px}.contact-context{border-left:2px solid var(--orange);padding:2px 0 2px 16px;margin:0 0 24px}.contact-context strong{display:block;font-size:18px;line-height:1.4;margin:9px 0}.contact-context p{font-size:13px;line-height:1.7}
@media(max-width:480px){#image-dialog{padding:21px;max-height:calc(100dvh - 24px)}#image-heading{font-size:31px!important;margin:18px 0}#image-description{font-size:14px}.image-dialog-actions{flex-direction:column;gap:10px;margin-top:24px}.image-dialog-actions .button{width:100%}}
@media(prefers-reduced-motion:reduce){.image-trigger img{transition:none}}
@media print{#image-dialog{display:none!important}}

/* V1.6: full image, a translucent frame and a quiet enlargement transition. */
.image-trigger{cursor:zoom-in}
#image-viewer{width:fit-content;height:fit-content;max-width:calc(100vw - 48px);max-height:calc(100vh - 48px);max-height:calc(100dvh - 48px);padding:12px;margin:auto;border:1px solid #ffffff45;border-radius:3px;background:#ffffff14;box-shadow:0 24px 90px #0005;overflow:visible;color:#fff}
#image-viewer[open]{animation:image-enlarge .38s cubic-bezier(.2,.7,.2,1) both}
#image-viewer::backdrop{background:rgb(20 26 29 / .72);backdrop-filter:blur(4px)}
#enlarged-image{display:block;width:auto;height:auto;max-width:calc(100vw - 74px);max-height:calc(100vh - 74px);max-height:calc(100dvh - 74px);object-fit:contain;margin:0;border-radius:1px}
.viewer-close{position:absolute;top:20px;right:20px;z-index:1;display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid #ffffff70;border-radius:50%;background:#202629d9;color:#fff;font-family:inherit;font-size:30px;line-height:1;cursor:pointer;box-shadow:0 2px 14px #0004}
.viewer-close:hover{background:#202629}.viewer-close:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@keyframes image-enlarge{from{opacity:0;transform:scale(.88)}to{opacity:1;transform:scale(1)}}
@media(max-width:480px){#image-viewer{padding:8px;max-width:calc(100vw - 28px);max-height:calc(100dvh - 28px)}#enlarged-image{max-width:calc(100vw - 46px);max-height:calc(100dvh - 46px)}.viewer-close{top:14px;right:14px}}
@media(prefers-reduced-motion:reduce){#image-viewer[open]{animation:none}}
@media print{#image-viewer{display:none!important}}