/* site.css */
:root{--paper:#f5f2ea;--white:#fffdf8;--ink:#142c3c;--muted:#58646a;--gold:#aa8450;--line:#d4d5cc;--serif:Georgia,'Times New Roman',serif;--sans:'Segoe UI',Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans)}a{color:inherit;text-underline-offset:5px}img{display:block;width:100%;object-fit:cover}button,input,select,textarea{font:inherit}button,a,input,select,summary{touch-action:manipulation}a,button{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}:focus-visible{outline:3px solid #b47c31;outline-offset:5px}.wrap{max-width:1320px;width:calc(100% - 96px);margin:auto}.skip{position:fixed;top:-100px;z-index:100;background:white;padding:15px}.skip:focus{top:0}.topline{padding:7px 0;background:var(--ink);color:#e9e5db;font-size:11px;letter-spacing:.13em;text-transform:uppercase}.topline 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/* v3.css */
:root{--paper:#f4f5f4;--white:#fff;--ink:#12324c;--gold:#a17a39;--muted:#52606a;--line:#d6dde1}body{font-size:16px}.header{background:#fff;backdrop-filter:none}.topline{background:#12324c}.nav{height:92px;gap:20px}.wrap{max-width:1480px;width:calc(100% - 72px)}.brand{gap:12px}.logo-frame{display:block;width:88px;height:76px;overflow:hidden;flex-shrink:0;position:relative}.brand .logo-frame img{position:absolute;width:112px;height:112px;max-width:none;left:-12px;top:-18px;object-fit:contain}.brand strong{font-family:'Segoe UI',Arial,sans-serif;font-size:22px;line-height:1.15;font-weight:750;letter-spacing:.025em;color:#12324c}.brand small{font:14px/1.3 Georgia,serif;color:#806331;margin-top:6px}.links{gap:20px}.links a{font-size:14px;white-space:nowrap}.links a[aria-current]{text-decoration:underline;text-decoration-color:#a17a39;text-decoration-thickness:2px}.header-buttons{display:flex;gap:8px}.header-buttons .button{padding:10px 17px;font-size:14px;min-height:44px}.hero-v3{display:block;min-height:710px;position:relative;color:#fff;background:#132c3c;border:none}.hero-slides,.hero-slide{position:absolute;inset:0}.hero-slide{opacity:0;transition:opacity 1.3s ease;overflow:hidden}.hero-slide.active{opacity:1}.hero-slide img{height:100%;object-position:center 55%}.hero-v3:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,25,39,.85),rgba(8,25,39,.5) 54%,rgba(8,25,39,.08)),linear-gradient(0deg,rgba(8,25,39,.65),transparent 45%);pointer-events:none}.hero-inner{position:relative;z-index:1}.hero-v3 .hero-copy{padding:88px 0 50px;max-width:900px}.hero-v3 h1{font:500 clamp(42px,4.5vw,76px)/1.09 Georgia,serif;letter-spacing:-.035em}.hero-v3 h1 em{color:#e4c998;font-style:normal}.hero-v3 .eyebrow{color:#e4c998;font-size:13px;letter-spacing:.14em}.hero-v3 .hero-copy>p:not(.eyebrow){color:#f1f3f4;font-size:18px;max-width:630px;line-height:1.65}.hero-v3 .hero-copy .hero-audience{font-size:14px!important;font-weight:600;letter-spacing:.04em;margin-top:25px}.hero-bottom{display:flex;align-items:end;justify-content:space-between;gap:30px;border-top:1px solid #ffffff55;padding:22px 0 28px}.hero-bottom p{font-size:12px;text-transform:uppercase;letter-spacing:.13em;margin:0 0 8px;color:#e4c998}.hero-bottom strong{font:24px Georgia,serif}.slide-controls{display:flex;gap:8px;align-items:center}.slide-controls button{color:#fff;background:transparent;border:1px solid #ffffff70;min-height:44px;min-width:44px;padding:10px;font-size:13px}.slide-controls button[data-slide-to] span{display:block;width:7px;height:7px;background:#ffffff66;border-radius:50%;margin:auto}.slide-controls button[aria-pressed=true] span{background:#e4c998}.proof{font-size:14px;gap:18px}.proof div+div{padding-left:20px}.button{font-size:15px;min-height:50px}.eyebrow{font-size:12px}.section-head>p,.step p,.service p,.split p,.case-info p,.reading p,.reading li,details p,.contact-copy p{font-size:16px}.step small,.meta,.note{font-size:13px}.field label,.field input,.field select,.links a,summary{font-size:14px}.form-help,.upload small,.footer a,.footer p{font-size:13px}.contact-number{font-size:32px}.footer-bottom,.footer-bottom a{font-size:12px}.section{padding:85px 0}.section h2{font-size:clamp(32px,3.4vw,50px)}.section h2 em{font-style:normal}.service h3{font-size:29px}.section-head{align-items:center}.section-head>p{max-width:440px}.brand small{white-space:nowrap}@media(max-width:1350px){.wrap{width:calc(100% - 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/* Shared section composition and direct image comparisons. */
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/* concept.css */
:root{--paper:#f7f5f1;--ink:#142e43;--gold:#a4432c;--muted:#58636a;--line:#dedbd6}body{background:#fff}.topline{background:#142e43}.brand strong{font-family:Georgia,serif;font-weight:600;letter-spacing:-.025em}.brand small{color:#a4432c}.button{background:#a4432c;border-color:#a4432c;color:white}.button:hover{background:#81331f;border-color:#81331f}.button.outline{background:transparent;color:#a4432c;border-color:#a4432c}.button.light{background:#a4432c;color:white;border-color:#a4432c}.hero-v3{min-height:640px;background:#f7f5f1;color:#142e43}.hero-slides{left:43%}.hero-v3:after{background:linear-gradient(90deg,#f7f5f1 0%,#f7f5f1 34%,#f7f5f1f0 41%,#f7f5f100 61%)}.hero-v3 .hero-copy{max-width:610px;padding:74px 0 35px}.hero-v3 h1{font-size:clamp(42px,4.1vw,67px);line-height:1.06}.hero-v3 h1 em{color:#142e43}.hero-v3 .hero-copy>p:not(.eyebrow){color:#344956;max-width:480px;font-size:17px}.hero-v3 .eyebrow{color:#a4432c}.hero-bottom{border:0;padding-top:8px}.hero-bottom>div:first-child{max-width:430px}.hero-bottom strong{font-size:20px;color:#142e43}.hero-bottom p{color:#a4432c}.slide-controls{background:#142e43dd;padding:4px}.proof{background:#f1efeb;max-width:none;width:100%;padding:22px 4%;border:none}.section{padding:68px 0}.section h2{font-family:Georgia,serif;font-weight:500}.eyebrow{color:#a4432c;letter-spacing:.17em}.section.dark{background:#142e43}.section.dark .eyebrow{color:#efb19d}.section.dark .button.outline{color:white;border-color:white}.section.alt{background:#f7f5f1}#metiers{background:#fff;color:#142e43}#metiers .eyebrow{color:#a4432c}#metiers .section-head>p{color:#58636a}#metiers .service-grid{grid-template-columns:repeat(4,1fr);gap:20px}#metiers .service{color:#142e43;border:0;border-top:2px solid #a4432c;padding:24px 0;display:block}#metiers .service p{color:#58636a}#metiers .service small{color:#a4432c}#metiers .service h3{font-size:25px}#metiers .service b{display:none}#realisations{background:#f7f5f1}#realisations .section-head{display:block;text-align:center}#realisations .section-head>p{max-width:680px;margin:20px auto 0}.category-group{margin-top:38px}.category-title{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #d7c8bf;margin-bottom:18px;padding-bottom:12px}.category-title h3{font:600 15px/1.4 'Segoe UI',sans-serif;text-transform:uppercase;letter-spacing:.14em;margin:0}.category-title span{font-size:13px;color:#6a6863}.realisation-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.realisation-card{background:transparent;border:0}.realisation-copy{padding:14px 0 0}.realisation-copy h4{font:500 21px/1.25 Georgia,serif;margin:0 0 12px}.realisation-copy a{font-size:14px;color:#923b27}.compare-v3{aspect-ratio:4/3}.compare-hint{background:transparent;padding:8px 0;font-size:12px}.stage-photo{position:relative;aspect-ratio:4/3;overflow:hidden}.stage-photo img{width:100%;height:100%;object-fit:cover}.stage-photo span{position:absolute;left:12px;top:12px;padding:5px 9px;background:#142e43e6;color:white;font-size:12px}.gallery-note{font-size:13px;color:#62666a;max-width:800px;margin-top:25px}.step>span{color:#a4432c}.standards{border-color:#dccbc0;background:white}.review{padding:20px;border-top:2px solid #a4432c}.review blockquote{font-size:21px;margin:15px 0 20px}.review-stars{color:#a4432c}.footer{background:#142e43}.footer-signature strong{font-family:Georgia,serif}.concept-notice{background:#eee5de;color:#713b2e;font-size:13px;text-align:center;padding:8px 16px}.concept-notice a{color:inherit;text-decoration:underline}.audience-split>img{height:370px}.section-head{gap:30px}
@media(max-width:1150px){#metiers .service-grid{grid-template-columns:repeat(2,1fr)}.hero-v3 .hero-copy{max-width:530px}.hero-v3 h1{font-size:54px}.realisation-grid{gap:18px}}
@media(max-width:800px){.hero-v3{padding-top:240px;min-height:0}.hero-slides{left:0;height:260px;bottom:auto}.hero-v3:after{background:linear-gradient(0deg,#f7f5f1,transparent);height:70px;top:190px;bottom:auto}.hero-v3 .hero-copy{max-width:none;padding:30px 0 20px}.hero-v3 h1{font-size:43px}.hero-v3 .hero-copy>p:not(.eyebrow){max-width:none}.hero-bottom{padding-bottom:25px;gap:15px}.hero-bottom>div:first-child{max-width:none}.realisation-grid{grid-template-columns:1fr}.category-title{align-items:start;flex-direction:column;gap:5px}.category-group{margin-top:35px}.realisation-copy{padding-bottom:12px}.section{padding:48px 0}#metiers .service-grid{grid-template-columns:1fr 1fr}.proof{padding:20px}.concept-notice{font-size:12px}.brand strong{font-size:16px}.review-grid{grid-template-columns:1fr}.section-head{text-align:left!important}}
@media(max-width:430px){#metiers .service-grid{grid-template-columns:1fr}.hero-v3 h1{font-size:39px}.actions{gap:10px}.hero-v3 .actions .button{width:100%;text-align:center}.brand strong{font-size:14px}}

.simulation-categories{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.simulation-intro{font-size:14px;color:#6e5147;max-width:820px;margin:20px 0}.simulation-categories .category-group{min-width:0;margin-top:20px}.simulation-categories .category-title{min-height:64px}.simulated-compare{aspect-ratio:4/3}.sim-layer{position:absolute;inset:0;background-image:var(--sheet);background-size:200% 300%;background-repeat:no-repeat}.sim-after{background-position:100% var(--row)}.sim-before{background-position:0% var(--row);clip-path:inset(0 calc(100% - var(--pos)) 0 0)}.simulation-item[hidden]{display:none!important}.simulation-tag{display:inline-block;color:#85422c;background:#f0e0d6;padding:4px 8px;font-size:12px;margin-bottom:10px}.carousel-controls{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #dbcabe;margin-top:15px;padding-top:14px}.carousel-controls button{width:46px;height:44px;border:1px solid #a4432c;background:white;color:#a4432c;cursor:pointer;font-size:22px}.carousel-controls button:hover{background:#a4432c;color:#fff}.carousel-count{font-size:14px}.simulation-categories .realisation-copy h4{min-height:30px}.simulation-carousel:focus-within{outline-offset:4px}@media(max-width:900px){.simulation-categories{grid-template-columns:1fr;gap:25px}.simulation-categories .category-title{min-height:0}.simulated-compare{max-height:520px}}

.simulated-compare img.sim-layer{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:none;max-width:none}

/* Architectural accents and useful technical diagrams. */
.section-icon{display:inline-flex;vertical-align:middle;align-items:center;justify-content:center;width:38px;height:38px;margin-right:12px;background:#a4432c0e;color:#a4432c;border:1px solid #a4432c40;border-radius:3px;flex-shrink:0;letter-spacing:normal}.section-icon svg{width:23px;height:23px}.eyebrow{display:flex;align-items:center;line-height:1.5}.dark .section-icon,.contact .section-icon{color:#efb19d;border-color:#efb19d66;background:#ffffff09}.hero-v3 .eyebrow .section-icon{display:none}#realisations .section-head .eyebrow{justify-content:center}.service>.section-icon{width:58px;height:58px;margin:0 0 22px}.service>.section-icon svg{width:31px;height:31px}.section-head{position:relative;padding-bottom:22px}.section-head:after{content:"";position:absolute;bottom:0;left:0;width:66px;height:3px;background:#a4432c}#realisations .section-head:after{left:calc(50% - 33px)}.dark .section-head:after{background:#efb19d}.quality-diagram{max-width:530px;margin:0 0 30px;padding:24px;border:1px solid #d8c8bd;background:#faf7f3;text-align:center;color:#142e43}.quality-diagram>span{display:inline-block;font:600 25px Georgia,serif;color:#a4432c}.quality-diagram small{display:block;font:14px/1.6 'Segoe UI',sans-serif;color:#58636a}.quality-diagram i{display:block;color:#a4432c;font-style:normal;font-size:23px;line-height:1.7}.quality-diagram>div{display:flex;justify-content:center;gap:10px}.quality-diagram b{border:1px solid #dccdc3;background:white;padding:9px 12px;font-weight:500;font-size:14px}.quality-diagram>strong{font-size:16px;font-weight:600}.standards{align-items:center}.standards h3{font-size:27px}.dtu-link{display:inline-block;font-weight:600;color:#a4432c;margin-top:10px;line-height:1.6}.zone-diagram{margin:0 0 20px;background:#f7f5f1;border:1px solid #e0d6cf;padding:18px}.zone-diagram svg{display:block;width:100%;height:auto}.zone-lines{stroke:#c19b86;stroke-width:1.5;fill:none;stroke-dasharray:5 6}.zone-dot{fill:#142e43}.zone-center{fill:#a4432c;stroke:#a4432c30;stroke-width:15}.zone-labels{font:15px 'Segoe UI',sans-serif;fill:#142e43}.zone-diagram figcaption{font-size:13px;color:#58636a;text-align:center}.review-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.review{margin:0;padding:22px;background:white}.review blockquote{font:500 20px/1.4 Georgia,serif;min-height:56px;margin:12px 0 18px}.review figcaption strong{font-size:15px}.review figcaption span,.review figcaption a{font-size:13px}.review-stars{letter-spacing:3px;font-size:16px}.hero-illustration{font-size:12px;color:#58636a;display:block;margin-bottom:8px}.dtu-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.dtu-points article{border-left:3px solid #a4432c;padding:4px 24px}.dtu-points h3{margin:0 0 12px;font:500 25px Georgia,serif}.dtu-source{padding:28px;background:white;border-top:2px solid #a4432c}.section[id]{scroll-margin-top:110px}.audience-section .audience-split>img{border-bottom:5px solid #a4432c}.faq{border-top:2px solid #a4432c}.footer-signature{border-bottom:1px solid #ffffff28;padding-bottom:25px}.contact .eyebrow{color:#efb19d}
@media(max-width:800px){.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dtu-points{grid-template-columns:1fr}#realisations .section-head .eyebrow{justify-content:flex-start}#realisations .section-head:after{left:0}.section-icon{width:32px;height:32px;margin-right:9px}.quality-diagram{padding:20px 12px}.quality-diagram b{padding:8px}.section[id]{scroll-margin-top:85px}}
@media(max-width:520px){.review-grid{grid-template-columns:1fr}.review blockquote{min-height:0}.zone-diagram{padding:8px}.eyebrow{letter-spacing:.1em}.dtu-points article{padding-left:18px}}

/* Validated logo: source artwork unchanged, surrounding white margin hidden by its SVG viewport. */
.brand{flex-shrink:0}.brand .brand-approved{display:block;width:410px;height:auto;max-width:100%;object-fit:contain}.field textarea{display:block;width:100%;min-height:130px;resize:vertical;border:1px solid #aeb4af;border-radius:0;padding:12px;background:#fff;color:#142e43;font:16px/1.5 'Segoe UI',Arial,sans-serif}.field textarea:focus-visible{outline:2px solid #a4432c;outline-offset:2px}.field label span{font-weight:400}.simulation-intro{font-size:16px;color:#58636a;line-height:1.65}.realisation-copy h4{padding-top:5px}
@media(max-width:1400px) and (min-width:1151px){.brand .brand-approved{width:330px}.links{gap:12px}.links a{font-size:13px}.nav{gap:12px}.header-buttons .button{padding:10px 12px}}
@media(max-width:800px){.brand{max-width:calc(100% - 75px)}.brand .brand-approved{width:410px;max-width:100%;height:auto}}
.audience-carousel{min-width:0;max-width:100%;border-bottom:4px solid #a4432c}.audience-frame[hidden]{display:none!important}.audience-carousel .compare{aspect-ratio:4/3;max-height:460px}.audience-caption{margin:0!important;padding:10px 14px;background:#f7f5f1;font:20px Georgia,serif!important;color:#142e43}.audience-controls{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding:12px 0;font-size:13px;color:#58636a}.audience-controls>div{display:flex;align-items:center;gap:10px}.audience-controls button{min-width:44px;min-height:44px;background:#fff;border:1px solid #a4432c;color:#a4432c;padding:8px 12px;font-size:14px}.audience-controls button:hover{background:#a4432c;color:white}.audience-controls [data-audience-count]{font-size:14px}.audience-carousel input:focus-visible{outline:0}
#metiers .section-icon{color:#a4432c;border-color:#a4432c40;background:#a4432c0e}#metiers .service{min-width:0}#metiers .service>div{min-width:0}
.chantier-jumps{display:flex;gap:12px;flex-wrap:wrap;padding-top:25px}.chantier-jumps a{padding:12px 18px;border:1px solid #a4432c;color:#a4432c;text-decoration:none}.gallery-introduction{font-size:16px;color:#58636a;padding-top:20px}.chantier-carousels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.chantier-carousel{min-width:0}.chantier-carousel>h3{font:500 25px Georgia,serif;margin:0 0 20px;min-height:60px}.chantier-carousel h4{font:500 20px Georgia,serif;margin:16px 0;min-height:30px}.carousel-controls [data-audience-pause]{width:auto;min-width:70px;font-size:14px;padding:8px}.comparison-block>.carousel-controls{justify-content:flex-end}.chantier-jumps a:hover{background:#a4432c;color:white}@media(max-width:1000px){.chantier-carousels{grid-template-columns:1fr;gap:45px}.chantier-carousel>h3{min-height:0}.chantier-carousel .compare{max-height:520px}}
.simulation-item:not([hidden]),.audience-frame:not([hidden]){animation:comparison-reveal .65s ease-out}.simulation-item[hidden]{display:none!important}@keyframes comparison-reveal{from{opacity:.25}to{opacity:1}}@media(prefers-reduced-motion:reduce){.simulation-item,.audience-frame{animation:none!important}}

/* request-form.css */
/* Manual request preparation: resilient fallback and readable review. */
.request-fields{border:0;padding:0;margin:0;min-width:0}
.request-review{margin-top:1rem}
.request-review label{display:block;font-weight:600}
.request-review textarea{display:block;width:100%;max-width:100%;padding:.8rem;font:inherit;line-height:1.5;resize:vertical}
.request-review[hidden],.request-fallback[hidden]{display:none}
.request-fallback{padding:1rem;border:1px solid currentColor}
.request-fields:disabled{opacity:.6}