/* V1.7 — monochrome interface, original photo colours and reliable section links. */
[hidden]{display:none!important}
html{scroll-padding-top:0}
body{overflow-wrap:break-word}
button,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
:focus-visible{outline:3px solid currentColor;outline-offset:5px}
.skip-link{position:fixed;left:20px;top:-100px;z-index:1200;padding:14px 20px;background:#fff;color:#111;border:2px solid}
.skip-link:focus{top:20px}
.no-script-nav{display:flex;flex-wrap:wrap;gap:14px;padding:108px 24px 24px;background:#eee}
.no-script-nav a{padding:12px;text-decoration:underline;font-size:13px}
.reveal,.reveal-scale,.reveal-line{opacity:1;transform:none;will-change:auto}
.motion-ready .reveal:not(.is-visible),.motion-ready .reveal-scale:not(.is-visible){opacity:0;transform:translateY(22px)}
.hero-concept-inner{grid-template-columns:minmax(0,1.14fr) minmax(0,.86fr);gap:64px;align-items:center}
.hero-concept-title{font-size:clamp(62px,6.6vw,108px);line-height:.92;letter-spacing:-.065em}
.hero-title-line{white-space:nowrap}
.hero-bottom-copy{grid-template-columns:1fr;gap:22px;margin-top:30px;max-width:650px}
.hero-bottom-copy p{font-size:16px;line-height:1.65}
.hero-concept-visual{padding:0;align-self:stretch;align-items:stretch}
.hero-photo{height:100%;min-height:580px;max-height:840px;border-radius:18px}
.hero-photo img{object-position:50% 50%}
.hero-photo figcaption{flex-direction:column;gap:8px;right:20px}
.hero-photo figcaption strong{font-size:clamp(23px,2vw,32px)}
.hero-tech-card{left:auto;right:18px;top:20px;max-width:calc(100% - 36px);border-radius:14px;width:285px}
.hero-tech-card span{color:#b8b8b8}
.stack-intro p{max-width:1000px}
.stack-item{z-index:calc(20 + var(--stack-i,0))!important;scroll-margin-top:0!important}
.section-scroll-anchor{display:block;position:relative;height:0;min-height:0;margin:0;padding:0;border:0;pointer-events:none;overflow-anchor:none}
.stack-hold{height:200px}
.stack-hold-history{height:360svh}
.stack-card{border-top:0;box-shadow:none}
.stack-card-inner{padding-top:132px;padding-bottom:36px}
.stack-number{top:133px;color:inherit}
.stack-title{font-size:clamp(56px,5.8vw,94px);line-height:.97;letter-spacing:-.06em;text-wrap:initial}
.stack-title em{line-height:1;display:inline;padding:0}
.stack-head-layout{grid-template-columns:minmax(0,1.4fr) minmax(0,.75fr);gap:50px}
.stack-head-layout .stack-title{font-size:clamp(56px,5.2vw,88px)}
.value-cell{min-width:0;padding-bottom:20px}
.value-cell h3{font-size:21px;margin-top:30px}
.value-cell p{font-size:14px;line-height:1.55}
#entreprise .values-row{margin-top:32px}
.history-concept{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:54px}
.history-title{align-self:center}
.history-title .stack-title{font-size:clamp(44px,4.3vw,72px);line-height:1;max-width:none}
.history-title p{margin-top:28px}
.history-scroll-viewport{height:calc(100svh - 204px);min-height:0;max-height:670px;padding:0 28px}
.history-scroll-track{left:32px;right:30px}
.history-step{grid-template-columns:105px minmax(0,1fr);gap:22px;min-height:184px;opacity:.28}
.history-step b{font-size:32px;white-space:normal;line-height:1.05;overflow-wrap:normal}
.history-step:last-child b{font-size:24px}
.history-step h3{font-size:26px;line-height:1.1}
.history-step p{font-size:14px;line-height:1.55;color:#c1c1c1}
.history-step>div>span{color:#b0b0b0}
.history-step.is-active{transform:none}
.direction-concept{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:54px}
.direction-title .stack-title{font-size:clamp(49px,4.6vw,78px);line-height:1}
.direction-placeholder-mark{top:20px;right:20px;font-size:clamp(180px,18vw,310px);letter-spacing:-.07em;line-height:1.05}
.direction-portrait::after{background:linear-gradient(to top,rgba(0,0,0,.86),rgba(0,0,0,.55) 65%,rgba(0,0,0,.15))}
.leader-editorial{padding:32px}
.leader-editorial h3{font-size:clamp(42px,3.9vw,65px);line-height:1.04;margin:16px 0 20px}
.leader-editorial p{font-size:15px;line-height:1.6}
.succession{border-top:1px solid #ffffff55;margin-top:26px;padding-top:18px}
.succession h4{font-size:11px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 16px;color:#eee}
.succession>div{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.succession p{margin:0}.succession strong{display:block;font-size:14px;color:#fff}.succession span{display:block;font-size:12px;color:#ddd;margin-top:5px}
.cert-head{grid-template-columns:minmax(0,1.4fr) minmax(0,.75fr);gap:50px}
.cert-head .stack-title{font-size:clamp(52px,5.2vw,86px);line-height:.98}
#certifications .cert-marquee{flex:0 0 auto;min-height:0;padding:32px 0 20px;display:block;width:100%;overflow:hidden}
#certifications .cert-track{gap:0;animation:none;width:max-content;min-width:200%;align-items:stretch}
html.cert-ready #certifications .cert-track{animation:cert-loop 44s linear infinite}
html:not(.cert-ready) #certifications .cert-track{width:100%;min-width:0;justify-content:center}
html:not(.cert-ready) .cert-group{flex:0 1 100%;width:100%;flex-wrap:wrap;justify-content:center;min-width:0;padding:0 16px;gap:16px}
html:not(.cert-ready) .cert-logo-tile{flex:0 1 240px;width:240px}
.cert-group{display:flex;flex:none;gap:18px;padding-right:18px;min-width:50%;justify-content:space-around}
.cert-logo-tile{flex:1 0 246px;width:246px;height:162px;box-shadow:none}
.cert-controls{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-bottom:26px}
.cert-controls p{font-size:13px;color:#555;margin:0}
.motion-toggle{background:none;border:1px solid #999;border-radius:30px;padding:10px 16px;font-size:11px;min-height:44px;white-space:nowrap}
html.cert-ready #certifications .cert-track.is-paused{animation-play-state:paused}
@keyframes cert-loop{to{transform:translateX(-50%)}}
.projects-concept{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:54px}
.projects-copy{align-self:center}
.projects-copy .stack-title{font-size:clamp(46px,4.3vw,72px);line-height:1.01}
.projects-copy .text-link{margin-top:16px}
.projects-visuals{height:100%;max-height:650px;min-height:480px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1.1fr 1fr;gap:16px}
.project-shot,.project-shot-a,.project-shot-b,.project-shot-c{position:relative;inset:auto;width:100%;height:100%;border-radius:10px;min-height:0}
.project-shot-a{grid-column:1/-1}
.project-shot figure{margin:0;height:100%}
.project-shot figcaption{left:12px;right:12px;bottom:12px;line-height:1.45;font-size:10px}
.project-shot figcaption span{display:block;font-size:9px;color:#555;font-weight:400;margin-top:4px}
.project-shot img,.culture-tile img{transition:transform .6s var(--ease),filter .6s}
.project-shot:hover img{transform:scale(1.03)}
.transmission-concept{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:70px;align-items:center}
.transmission-copy .stack-title{font-size:clamp(52px,5vw,88px)}
.transmission-copy>p{max-width:660px;font-size:16px;line-height:1.65;color:#555}
.transmission-copy .text-link{margin-top:10px}
.diploma-visual{height:100%;max-height:570px;display:flex;flex-direction:column;justify-content:center;gap:22px;min-height:0}
.diploma-visual img{width:100%;height:calc(100% - 50px);object-fit:contain;filter:none;min-height:0}
.diploma-visual span{font-size:11px;text-align:center;text-transform:uppercase;letter-spacing:.12em}
.culture-concept{display:flex;flex-direction:column;gap:26px}
.culture-head{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,.75fr);gap:50px;align-items:end}
.culture-head .stack-title{font-size:clamp(46px,4.7vw,80px)}
.culture-head p{font-size:16px;line-height:1.65;color:#4e4e4e;margin:0}
.culture-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;min-height:0;flex:1}
.culture-tile{min-width:0;display:flex;flex-direction:column;min-height:0}
.culture-tile img{width:100%;height:100%;min-height:0;object-fit:cover;border-radius:8px;filter:none}
.culture-tile:last-child img{object-position:50% 21%}
.culture-tile h3{font-size:15px;line-height:1.4;display:flex;justify-content:space-between;gap:10px;margin:13px 0 0;font-weight:600}
.culture-concept>.text-link{align-self:start}
.jobs-concept{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.no-jobs-inline{padding:40px}
.no-jobs-inline h3{font-family:Georgia,serif;font-size:clamp(32px,3vw,48px);font-weight:400;line-height:1.1;margin:32px 0 22px;color:#111}
.no-jobs-inline p{line-height:1.65;font-size:16px;max-width:540px;margin-bottom:24px}
#recrutement .stack-card{background:var(--paper);border:0;border-radius:22px 22px 0 0;box-shadow:none}
.stack-hold-final{background:var(--paper);height:180px}
.closing-section{background:var(--paper);padding-top:50px;border:0;box-shadow:none}
.closing-inner h2{line-height:.97;margin-top:40px}
.footer-word{font-size:23.5vw;letter-spacing:-.075em;text-align:center;transform:none;margin:40px 0 -4.5vw;line-height:.85;color:#666}
.footer h4{color:#aaa}.footer-bottom{color:#aaa}
.footer-links a{min-height:28px;display:inline-flex;align-items:center}
.page-hero h1,.legal-layout h1{line-height:.98}
.main-nav a[aria-current=page]{text-decoration:underline;text-underline-offset:7px}

/* Galleries: static albums remain usable without JavaScript. */
.gallery-hero{padding:162px 0 58px;background:var(--ink);color:#fff}
.gallery-hero h1{font-size:clamp(48px,7vw,106px);line-height:1;max-width:1050px;margin:26px 0}
.gallery-hero p{font-size:18px;line-height:1.65;max-width:690px;color:#c6c6c6}
.gallery-hero .back-link{display:inline-flex;margin-bottom:36px;color:#ccc;padding:6px 0}
.gallery-toolbar{padding:40px 0 24px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px}
.gallery-filters{display:flex;flex-wrap:wrap;gap:8px}
.gallery-filters button{padding:12px 18px;min-height:44px;border:1px solid #aaa;background:transparent;border-radius:30px;font-size:13px}
.gallery-filters button[aria-pressed=true]{background:#111;color:#fff;border-color:#111}
.gallery-count{font-size:12px;color:#555;margin:0}
.album-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 26px;padding-bottom:88px}
.album-card{display:block;min-width:0}
.album-cover{aspect-ratio:4/3;overflow:hidden;position:relative;border-radius:12px;background:#deded8}
.album-cover img{width:100%;height:100%;object-fit:cover;filter:none;transition:transform .5s}
.album-card:hover img{transform:scale(1.03)}
.album-cover>span{position:absolute;bottom:14px;right:14px;padding:8px 11px;border-radius:30px;background:#fff;font-size:11px}
.album-meta{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#626262;display:block;margin-top:20px}
.album-card h2{font-size:clamp(22px,2.2vw,32px);line-height:1.1;margin:10px 0 12px;letter-spacing:-.035em}
.album-card p{font-size:14px;color:#5b5b5b;line-height:1.6;margin:0}
.photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;padding:40px 0 80px}
.photo-link{min-width:0;display:block}
.photo-link figure{margin:0}
.photo-link img{height:320px;width:100%;object-fit:contain;background:#e7e7e2;border-radius:8px;filter:none}
.photo-link figcaption{font-size:12px;line-height:1.5;margin-top:12px;color:#555}
.album-tools{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:22px;padding-top:36px;font-size:13px;color:#555}
.album-tools p{margin:0}.album-tools .text-link{color:#111}
.album-bottom{padding:0 0 65px}
.lightbox{position:fixed;inset:0;width:100%;max-width:none;height:100dvh;max-height:none;margin:0;border:0;padding:22px;background:#101010;color:#fff;overflow:hidden}
.lightbox::backdrop{background:#000d}
.lightbox-inner{height:100%;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:18px}
.lightbox-head,.lightbox-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px}
.lightbox-head h2{font-size:14px;font-weight:400;margin:0;line-height:1.4}
.lightbox button,.lightbox .lightbox-file{min-height:44px;min-width:44px;background:transparent;color:#fff;border:1px solid #777;border-radius:50px;padding:10px 17px;font-size:12px}
.lightbox button:hover{background:#fff;color:#111}
.lightbox-stage{position:relative;min-height:0;display:grid;place-items:center}
.lightbox-stage img{width:100%;height:100%;object-fit:contain;min-height:0;filter:none}
.lightbox-bottom p{font-size:12px;line-height:1.5;color:#ddd;max-width:70%;margin:0}
.lightbox-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.lightbox-navigation{display:flex;gap:12px;align-items:center}
.lightbox-counter{font-size:12px;font-variant-numeric:tabular-nums;min-width:55px;text-align:center}
body.lightbox-open{overflow:hidden}
body.menu-open main,body.menu-open footer{pointer-events:none}

/* Flow is the safe baseline: enhancements only pin on a roomy viewport. */
html:not(.stack-ready) .stack-item,html:not(.stack-ready) .history-scroll-item{position:relative!important;top:auto!important;height:auto!important;min-height:0!important;margin:0!important}
html:not(.stack-ready) .stack-card{position:relative;height:auto;min-height:0;margin:0;border-radius:20px 20px 0 0;overflow:visible}
html:not(.stack-ready) .stack-card-inner{height:auto;min-height:0;padding-top:65px;padding-bottom:60px}
html:not(.stack-ready) .stack-number{top:65px}
html:not(.stack-ready) .stack-hold,html:not(.stack-ready) .stack-scroll-marker{display:none}
html:not(.stack-ready) .history-scroll-viewport{height:auto;min-height:0;max-height:none;overflow:visible;padding:18px 26px}
html:not(.stack-ready) .history-scroll-viewport::before,html:not(.stack-ready) .history-scroll-viewport::after{display:none}
html:not(.stack-ready) .history-scroll-track{position:relative;inset:auto;transform:none!important}
html:not(.stack-ready) .history-step{opacity:1;min-height:0;transform:none;padding:28px 0}
html:not(.stack-ready) .history-axis,html:not(.stack-ready) .history-progress-label{display:none}
html:not(.stack-ready) .direction-portrait{min-height:550px}
html:not(.stack-ready) .projects-visuals{height:550px}
html:not(.stack-ready) .culture-tile img{height:250px}
html:not(.stack-ready) .diploma-visual{height:520px}
html:not(.stack-ready) .closing-section{padding-top:70px}
.stack-ready .stack-card-inner{height:100%}
.stack-ready #certifications .stack-card-inner{height:auto}

@media(max-width:1180px){
 .hero-concept-inner{grid-template-columns:1fr 1fr;gap:36px}
 .hero-concept-title{font-size:6.15vw}
 .hero-concept-visual{width:100%;max-width:none;margin:0;min-height:0}
 .hero-photo{min-height:590px}
 .hero-kicker{flex-wrap:wrap;font-size:9px;gap:12px}
 .hero-kicker span+span::before{margin-right:12px}
 .hero-tech-card{width:255px;top:16px;right:16px;padding:20px}
 .hero-tech-card strong{font-size:15px}
 .stack-item{scroll-margin-top:90px!important}
 .history-concept{grid-template-columns:1fr;gap:34px}
 .history-title .stack-title{font-size:64px}
 .direction-concept{grid-template-columns:1fr 1fr;gap:34px}
 .direction-title{grid-column:1;grid-row:1;align-self:center}
 .direction-portrait{grid-column:2;grid-row:1}
 .leader-editorial{grid-column:2;grid-row:1;padding:25px}
 .leader-editorial h3{font-size:42px}
 .succession>div{grid-template-columns:1fr;gap:12px}
 .projects-concept,.transmission-concept{grid-template-columns:1fr 1fr;gap:34px}
 .culture-head{grid-template-columns:1fr;gap:22px}
 .culture-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 20px}
 .culture-tile img{height:280px}
 .cert-head{grid-template-columns:1fr;gap:25px}
 .cert-head .stack-title{font-size:72px}
 .jobs-concept{grid-template-columns:1fr 1fr;gap:30px}
 .jobs-concept-head .stack-title{font-size:68px}
 .album-grid,.photo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .photo-link img{height:320px}
 .main-nav a{min-height:44px}
 .brand-meta{display:none}
}
@media(max-width:720px){
 .hero-concept-inner,.stack-head-layout,.direction-concept,.projects-concept,.transmission-concept,.jobs-concept{grid-template-columns:1fr;gap:28px}
 .hero-concept-title{font-size:clamp(36px,11.7vw,79px);line-height:.98}
 .hero-concept{padding-top:105px}
 .hero-concept-copy{padding:0}
 .hero-photo{height:480px;min-height:0;max-height:none}
 .hero-bottom-copy p{font-size:15px}
 .hero-photo figcaption strong{font-size:26px}
 .hero-tech-card{right:12px;top:12px;width:245px;padding:18px}
 .hero-tech-card strong{font-size:14px}
 .hero-photo img{object-position:center 42%}
 .hero-data>div{padding-left:0}
 .stack-intro{padding-bottom:46px}
 .stack-intro p{font-size:32px}
 html:not(.stack-ready) .stack-card-inner{padding-top:48px;padding-bottom:46px}
 html:not(.stack-ready) .stack-number{top:23px}
 .stack-title,.stack-head-layout .stack-title,.history-title .stack-title,.direction-title .stack-title,.projects-copy .stack-title,.cert-head .stack-title,.transmission-copy .stack-title,.culture-head .stack-title,.jobs-concept-head .stack-title{font-size:clamp(32px,10.6vw,64px);line-height:1.03;letter-spacing:-.055em;overflow-wrap:normal}
 .stack-title{margin-top:22px}
 .eyebrow{line-height:1.5;font-size:9px}
 .values-row{grid-template-columns:1fr;margin-top:30px!important}
 .value-cell,.value-cell+.value-cell{padding:22px 0;border-right:0;border-bottom:1px solid #aaa;min-height:0}
 .value-cell:last-child{border-bottom:0}
 .value-cell h3{margin-top:20px}
 .value-cell p{font-size:14px}
 .history-step{grid-template-columns:1fr;gap:14px}
 .history-step h3{font-size:24px}
 .history-step:last-child b{font-size:28px}
 html:not(.stack-ready) .history-scroll-viewport{padding:10px 18px}
 .direction-title{grid-column:1;grid-row:1}
 .direction-portrait{grid-column:1;grid-row:2;height:560px!important;min-height:0!important}
 .leader-editorial{grid-column:1;grid-row:2;padding:25px 22px}
 .leader-editorial h3{font-size:clamp(37px,11vw,58px)}
 .leader-editorial p{font-size:14px}
 .succession{margin-top:20px;padding-top:16px}
 .succession h4{font-size:10px}
 .succession>div{grid-template-columns:1fr 1fr;gap:14px}
 .succession strong{font-size:12px}.succession span{font-size:11px}
 #certifications .cert-marquee{padding:16px 0 24px}
 .cert-group{gap:12px;padding-right:12px}
 .cert-logo-tile{flex-basis:206px;width:206px;height:150px}
 .cert-controls{align-items:flex-start;gap:14px;padding-bottom:32px}
 .cert-controls p{font-size:12px;line-height:1.5}
 .motion-toggle{font-size:10px;padding:10px 12px}
 html:not(.stack-ready) .projects-visuals{height:560px;min-height:0}
 .project-shot figcaption{font-size:9px;left:8px;right:8px;bottom:8px;padding:8px}
 .project-shot figcaption span{font-size:8px}
 .projects-copy p,.transmission-copy>p,.culture-head p{font-size:15px;line-height:1.65}
 .diploma-visual{height:430px!important}
 .culture-grid{gap:24px 14px}
 html:not(.stack-ready) .culture-tile img{height:190px}
 .culture-tile h3{font-size:13px}
 .culture-concept{gap:30px}
 .no-jobs-inline{padding:25px}
 .no-jobs-inline h3{font-size:34px}.no-jobs-inline p{font-size:15px}
 .closing-section{padding-bottom:64px}
 .closing-inner h2{font-size:16vw;line-height:1.05;margin:34px 0 42px}
 .closing-meta{flex-direction:column;gap:12px}
 .gallery-hero{padding:120px 0 38px}
 .gallery-hero h1{font-size:clamp(39px,11.5vw,65px);letter-spacing:-.055em;line-height:1.05;margin:20px 0}
 .gallery-hero p{font-size:16px;line-height:1.6}
 .gallery-toolbar{gap:20px;padding-top:28px}
 .gallery-filters{gap:8px}.gallery-filters button{padding:10px 14px;font-size:12px}
 .album-grid{grid-template-columns:1fr;gap:35px;padding-bottom:54px}
 .album-card h2{font-size:29px}
 .photo-grid{gap:22px 14px;padding-top:28px;padding-bottom:48px}
 .photo-link img{height:210px}
 .photo-link figcaption{font-size:11px}
 .lightbox{padding:14px}
 .lightbox-inner{gap:12px}
 .lightbox-head{align-items:flex-start}
 .lightbox-head h2{font-size:12px;max-width:65%}
 .lightbox-bottom{flex-direction:column;gap:18px;align-items:stretch}
 .lightbox-bottom p{max-width:100%;font-size:11px;text-align:center}
 .lightbox-actions{justify-content:center}
 .lightbox-navigation{justify-content:center}
 .lightbox button,.lightbox .lightbox-file{padding:10px 13px;font-size:11px}
 .footer-bottom{flex-wrap:wrap}
 .footer-word{font-size:24vw;margin-bottom:-4.5vw}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *,*::before,*::after{animation:none!important;transition:none!important}
 .hero-title-line,.reveal,.reveal-scale,.reveal-line{opacity:1!important;transform:none!important}
 #certifications .cert-track{width:100%;min-width:0;transform:none;justify-content:center}
 .cert-group{flex:0 1 100%;width:100%;flex-wrap:wrap;justify-content:center;min-width:0;padding:0 16px;gap:16px}
 .cert-group[aria-hidden]{display:none}
 .cert-logo-tile{flex:0 1 240px;width:240px}
 .motion-toggle{display:none!important}
}
@media print{
 .site-header,.menu-toggle,.gallery-toolbar,.lightbox,.scroll-progress,.stack-hold{display:none!important}
 .stack-item{position:relative!important;height:auto!important;page-break-inside:avoid}
 .stack-card,.stack-card-inner{height:auto!important;overflow:visible}
 .history-scroll-track{position:relative;transform:none!important}.history-scroll-viewport{height:auto!important;overflow:visible}
 .history-step{opacity:1}.history-scroll-viewport::before,.history-scroll-viewport::after{display:none}
}