/* Sections partagées */
.tete-2{display:grid;gap:22px;max-width:980px;margin-bottom:clamp(48px,6vw,96px)}
.tete-2--ligne{max-width:none;grid-template-columns:minmax(0,1fr) auto;align-items:end}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.stat{display:grid;gap:12px;padding-top:22px;border-top:1px solid var(--line-d)}
[data-theme=light] .stat,[data-theme=mist] .stat{border-color:var(--line)}
.stat-n{font-weight:600;font-size:clamp(52px,6.4vw,112px);line-height:.95;letter-spacing:-.055em}
.stat-v{font-weight:600;font-size:clamp(30px,3.4vw,58px);line-height:1;letter-spacing:-.04em;text-wrap:balance}
.stat-v.it{font-weight:400;letter-spacing:-.03em;color:var(--sky)}
.stats--grand{margin-top:clamp(64px,8vw,128px)}
/* Citations : serif droit, chute en italique, auteur en capitales espacées. */
.cit{display:grid;gap:clamp(18px,2vw,28px);justify-items:start}
.cit-t{font-family:var(--f-serif);font-weight:400;font-style:normal;font-size:clamp(30px,3.6vw,64px);line-height:1.12;letter-spacing:-.02em;text-wrap:balance;color:var(--navy)}
.cit-t .it{font-style:italic;color:var(--primary)}
.cit-a{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--primary)}
.cit-a::before{content:"";width:28px;height:1.5px;background:currentColor}
[data-theme=dark] .cit-t,[data-theme=night] .cit-t{color:#fff}
[data-theme=dark] .cit-t .it,[data-theme=night] .cit-t .it{color:var(--sky)}
[data-theme=dark] .cit-a,[data-theme=night] .cit-a{color:var(--sky)}
.cit--grand{margin-top:clamp(64px,8vw,128px)}
.fenetre-stats .cit-t{max-width:26ch}
.phero .cit-t{font-size:clamp(30px,3.4vw,58px);text-wrap:pretty}
.phero .cit-a{margin-top:-10px}
.phero{position:relative;overflow:hidden;min-height:92vh;display:flex;align-items:flex-end;padding:170px 0 clamp(64px,8vw,120px)}
.phero-in{position:relative;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:clamp(32px,5vw,96px);align-items:end}
.phero-txt{display:grid;gap:28px}
.phero-lede{max-width:760px}
.phero-act{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
.phero-fleche{align-self:center;aspect-ratio:1;width:100%;max-width:560px;justify-self:end}
.phero-fleche arrow-3d,.cta-fleche arrow-3d,.a-hero-fleche arrow-3d,.phare-fleche arrow-3d,.b-hero-fleche arrow-3d,.menu-fleche arrow-3d{display:block;width:100%;height:100%;touch-action:pan-y}
arrow-3d{cursor:grab}arrow-3d.grab{cursor:grabbing}
.phero-img{aspect-ratio:4/5;border-radius:var(--r);overflow:hidden}.phero-img img{width:100%;height:100%;object-fit:cover}
.cta-bande{overflow:hidden}
.cta-in{position:relative;display:grid;gap:26px;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr)}.cta-in>*{grid-column:1}
.cta-fleche{grid-column:2;grid-row:2/span 3;align-self:start;justify-self:end;width:100%;max-width:460px;aspect-ratio:1;opacity:.95}
.cta-in--sans-eye .cta-fleche{grid-row:1/span 3}
.cta-t{font-size:clamp(44px,7vw,120px)}
.cta-b{max-width:640px}
.cta-act{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px}
.mq{overflow:hidden;padding-block:26px;border-block:1px solid var(--line);margin-top:22px}
[data-theme=dark] .mq,[data-theme=night] .mq{border-color:var(--line-d)}
.mq-t{display:flex;width:max-content;animation:mq 34s linear infinite}
.mq:hover .mq-t{animation-play-state:paused}
.mq-i{display:flex;align-items:center;gap:40px;padding-right:40px;font-weight:600;font-size:clamp(34px,4.6vw,76px);letter-spacing:-.04em;white-space:nowrap}
.mq-i i{font-style:normal;font-size:.4em;color:var(--azure)}
@keyframes mq{to{transform:translateX(-50%)}}
/* Ligne fine : cadres de référence et certifications sous les repères (accueil allégé). */
.cadres-ligne{margin-top:clamp(56px,7vw,110px)}
.mq--fin{margin-top:18px;padding-block:18px}
.mq--fin .mq-t{animation-duration:48s}
.mq--fin .mq-i{gap:28px;padding-right:28px;font-size:clamp(18px,1.7vw,26px);letter-spacing:-.02em;color:var(--navy)}
.mq--fin .mq-i i{font-size:.5em}

/* Accueil A */
.a-hero{position:relative;min-height:100vh;padding:130px 0 clamp(48px,6vh,80px);overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--mist) 100%)}
.a-hero .wrap{max-width:1840px}
.a-hero-in{position:relative;min-height:calc(100vh - 130px - clamp(48px,6vh,80px));display:flex;flex-direction:column;justify-content:space-between;gap:clamp(28px,3.6vh,48px)}
.a-hero-meta{display:flex;justify-content:space-between;align-items:center;gap:20px}
.a-hero-haut{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(16px,2vw,40px);align-items:center}
.a-titre{position:relative;z-index:2;font-size:clamp(48px,7vw,128px);color:var(--navy)}
.a-titre .it{color:var(--primary)}
.a-hero-fleche{--lw:min(40vw,693px,66vh);position:relative;z-index:1;width:var(--lw);aspect-ratio:1;margin:calc(var(--lw) * -.06) calc(var(--gut) * -.75) calc(var(--lw) * -.06) 0}
.a-hero-fleche.rv{transform:translate3d(40px,0,0) scale(.94);transition-duration:1.2s,1.8s}
.a-hero-fleche.rv[data-in]{transform:none}
.a-hero-bas{position:relative;z-index:2;display:grid;gap:clamp(22px,3vh,36px);justify-items:start}
.a-lede{font-weight:450;font-size:clamp(19px,1.6vw,29px);line-height:1.36;letter-spacing:-.015em;color:var(--ink-2);text-wrap:pretty}
.a-lede .it{color:var(--primary);letter-spacing:-.01em}
.a-lede .w>span{transition-delay:calc(var(--i) * 12ms + var(--d,0ms));transition-duration:.9s}
.a-lede[data-in] .w{animation-delay:calc(var(--i) * 12ms + var(--d,0ms) + .9s)}
.fenetre{position:relative}
.fenetre-sticky{position:sticky;top:0;height:100vh;overflow:hidden;--q:min(1,calc(var(--p,0) * 1.7))}
.fenetre-cadre{position:absolute;inset:0;clip-path:inset(calc((1 - var(--q)) * 16%) calc((1 - var(--q)) * 24%) round calc((1 - var(--q)) * 28px));will-change:clip-path}
.media{position:absolute;inset:0;overflow:hidden;background:var(--midnight)}
.media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(calc(1.28 - var(--q,0) * .28));transition:opacity .8s var(--ease-out);will-change:transform}
.fenetre-cadre::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(32,32,64,0) 30%,rgba(32,32,64,.82) 100%);opacity:calc(var(--p,0) * 2 - .6)}
.fenetre-stats{position:absolute;left:0;right:0;bottom:clamp(40px,6vh,80px);color:#fff;opacity:clamp(0,calc((var(--p,0) - .58) * 4),1);transform:translate3d(0,calc((1 - clamp(0,calc((var(--p,0) - .58) * 4),1)) * 40px),0)}
.fenetre-stats .stat{border-color:rgba(255,255,255,.3)}
.constat{position:relative;overflow:clip}
.constat-sticky{position:sticky;top:0;height:100vh;overflow:hidden;--q:clamp(0,calc(var(--p,0) * var(--n,4) / (var(--n,4) - 1)),1);--f:clamp(0,calc(var(--step,0) - (var(--n,4) - 2)),1)}
.constat-lum{position:absolute;left:50%;top:50%;width:120vmax;height:120vmax;pointer-events:none;background:radial-gradient(circle,rgba(95,192,224,.26) 0%,rgba(95,192,224,.07) 26%,transparent 54%);transform:translate3d(-50%,-50%,0) scale(calc(.2 + var(--q) * .8));scale:calc(1 + var(--f) * .18);transition:scale 1.4s var(--ease-out)}
.constat-mot{position:absolute;white-space:nowrap;font-weight:600;font-size:clamp(34px,5vw,84px);line-height:1;letter-spacing:-.04em;color:rgba(160,216,236,calc(var(--f) * .14));-webkit-text-stroke:1.2px rgba(160,216,236,calc(.3 + var(--q) * .6 + var(--f) * .1));opacity:calc(.3 + var(--q) * .7);filter:blur(calc((1 - var(--q)) * 6px));transition:top .9s var(--ease-out),bottom .9s var(--ease-out),translate 1.1s var(--ease-out),color .9s ease}
.constat-mot:nth-child(1){left:var(--gut);top:calc(16vh + var(--f) * 7vh);translate:calc(var(--f) * 7vw) 0;transform:translate3d(calc((1 - var(--q)) * -26vw),calc((1 - var(--q)) * -18vh),0)}
.constat-mot:nth-child(2){right:var(--gut);top:calc(16vh + var(--f) * 7vh);translate:calc(var(--f) * -7vw) 0;transform:translate3d(calc((1 - var(--q)) * 26vw),calc((1 - var(--q)) * -18vh),0)}
.constat-mot:nth-child(3){left:var(--gut);bottom:calc(16vh + var(--f) * 7vh);translate:calc(var(--f) * 7vw) 0;transform:translate3d(calc((1 - var(--q)) * -26vw),calc((1 - var(--q)) * 18vh),0)}
.constat-mot:nth-child(4){right:var(--gut);bottom:calc(16vh + var(--f) * 7vh);translate:calc(var(--f) * -7vw) 0;transform:translate3d(calc((1 - var(--q)) * 26vw),calc((1 - var(--q)) * 18vh),0)}
.constat-txt{position:absolute;left:50%;top:50%;width:min(92vw,900px);height:40vh;text-align:center;transform:translate3d(-50%,-50%,0)}
.constat-s{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);font-weight:600;font-size:clamp(28px,3.6vw,60px);line-height:1.12;letter-spacing:-.035em;text-wrap:balance;opacity:clamp(0,calc(1 - max(var(--k) - var(--step,0),var(--step,0) - var(--k)) * 10),1);transition:opacity .55s ease}
.constat-s .it{color:var(--sky)}
.constat-s:last-child{font-size:clamp(32px,4.4vw,76px)}
.constat-s--liste{display:flex;flex-direction:column;align-items:center;gap:.55em;font-size:clamp(24px,3vw,50px)}.cl-l{display:block}.cl-puces{display:flex;flex-wrap:wrap;justify-content:center;gap:.35em 1.6em;font-size:.66em;font-weight:500;letter-spacing:-.02em;color:#fff}.cl-p>span::before{content:"";display:inline-block;width:.32em;height:.32em;border-radius:50%;background:var(--sky);margin-right:.5em;vertical-align:.18em}
.constat-s .w{display:inline-block;overflow:hidden;vertical-align:top;padding:.3em .34em .42em;margin:-.3em -.34em -.42em}
.constat-s .w>span{display:inline-block;transform:translate3d(0,calc(clamp(0,max(var(--k) - var(--step,0),var(--step,0) - var(--k)),1) * (100% + .75em)),0);transition:transform .9s var(--ease-out);transition-delay:calc(var(--i) * 30ms + 160ms)}
.constat-sticky[data-step="0"] .constat-s[data-k="0"] .w,.constat-sticky[data-step="1"] .constat-s[data-k="1"] .w,.constat-sticky[data-step="2"] .constat-s[data-k="2"] .w,.constat-sticky[data-step="3"] .constat-s[data-k="3"] .w{animation:wOuvre 1ms linear forwards;animation-delay:calc(var(--i) * 30ms + 1.1s)}
.constat-rail{position:absolute;left:var(--gut);top:50%;transform:translateY(-50%);display:grid;gap:16px;color:#fff}
.constat-rail li{display:flex;align-items:center;gap:10px;opacity:clamp(.3,calc(1 - max(var(--k) - var(--step,0),var(--step,0) - var(--k)) * 10),1);transition:opacity .4s}
.constat-rail li::before{content:"";width:calc(10px + clamp(0,calc(1 - max(var(--k) - var(--step,0),var(--step,0) - var(--k)) * 10),1) * 14px);height:1.5px;background:var(--sky);transition:width .5s var(--ease-out)}
[data-reduce] .constat{height:auto!important}[data-reduce] .constat-sticky{position:static;height:auto;padding-block:var(--sec)}[data-reduce] .constat-txt{position:static;width:auto;height:auto;transform:none;display:grid;gap:28px;text-align:left}[data-reduce] .constat-s{position:static;transform:none;opacity:1}[data-reduce] .constat-s .w>span{transform:none}[data-reduce] .constat-champ,[data-reduce] .constat-lum,[data-reduce] .constat-rail{display:none}[data-reduce] .constat-s--liste{align-items:flex-start}[data-reduce] .cl-puces{justify-content:flex-start}
.hs{position:relative}
.hs-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center}
.hs-track{display:flex;gap:22px;padding-inline:var(--gut);will-change:transform;align-items:stretch}
.hs-tete{flex:0 0 min(640px,82vw);display:flex;flex-direction:column;justify-content:center;gap:24px;padding-right:48px}
.hs-barre{position:absolute;left:var(--gut);right:var(--gut);bottom:36px;height:2px;background:var(--line)}
[data-theme=dark] .hs-barre{background:var(--line-d)}
.hs-barre i{position:absolute;inset:0;background:var(--primary);transform-origin:0 50%;transform:scaleX(var(--p,0))}
[data-theme=dark] .hs-barre i{background:var(--azure)}
.disc{position:relative;flex:0 0 clamp(320px,29vw,460px);height:min(70vh,640px);border-radius:var(--r);padding:32px;display:flex;flex-direction:column;justify-content:flex-end;gap:14px;overflow:hidden;isolation:isolate;transition:transform .6s var(--ease-out)}
.disc--0{background:#fff;color:var(--ink)}
.disc--1{background:var(--navy);color:#fff}
.disc--2{background:linear-gradient(140deg,var(--deep) 0%,#1A5392 52%,#2E73B0 100%);color:#fff}
.disc:hover{color:inherit}
.disc--1:hover,.disc--2:hover{color:#fff}
.disc .mono{color:var(--primary)}.disc--1 .mono,.disc--2 .mono{color:var(--sky)}
.disc--1 .small,.disc--2 .small{color:rgba(255,255,255,.82)}
.disc--0 .small{color:var(--ink-2)}
.disc-n{position:absolute;top:18px;left:26px;font-weight:600;font-size:clamp(120px,12vw,210px);line-height:.9;letter-spacing:-.06em;color:transparent;-webkit-text-stroke:1.2px currentColor;opacity:.3;transition:transform .8s var(--ease-out),opacity .4s}
.disc-t{font-weight:600;font-size:clamp(32px,3vw,48px);line-height:1;letter-spacing:-.04em}
.disc--0 .disc-t{color:var(--navy)}.disc--0 .disc-t .it{color:var(--primary)}.disc--1 .disc-t .it,.disc--2 .disc-t .it{color:var(--sky)}
.disc-go{position:absolute;right:26px;top:26px;display:grid;place-items:center;width:52px;height:52px;border-radius:50%;box-shadow:inset 0 0 0 1.5px currentColor;transition:transform .5s var(--ease-out),background .3s}
.disc-go svg{width:18px;height:18px}
.disc::after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(120% 70% at 100% 0%,rgba(95,192,224,.35),transparent 60%);opacity:0;transition:opacity .5s}
@media (hover:hover) and (pointer:fine){.disc:hover{transform:translateY(-10px)}.disc:hover .disc-n{transform:translate(10px,-6px);opacity:.55}.disc:hover .disc-go{transform:rotate(-45deg);background:rgba(95,192,224,.2)}.disc:hover::after{opacity:1}}
.bureaux--acc{display:flex;gap:12px;height:clamp(440px,62vh,620px)}
.bureau{position:relative;flex:1;min-width:0;border-radius:var(--r);overflow:hidden;color:#fff;background:var(--midnight) center/cover no-repeat;transition:flex .8s var(--ease-out),opacity .9s var(--ease-out),transform 1.1s var(--ease-out)}
/* La photo garde la largeur du panneau ouvert : à l'ouverture, seul le cadre s'élargit ; l'image n'est ni
   redimensionnée ni redessinée. --ox reprend le cadrage horizontal propre à chaque photo. */
.bureau img{position:absolute;top:0;left:var(--ox,50%);height:100%;width:max(100%,calc((min(100vw,var(--max)) - 2 * var(--gut) - 48px) * .45));max-width:none;object-fit:cover;transform:translate3d(calc(var(--ox,50%) * -1),0,0);transition:transform 1.2s var(--ease-out),opacity .8s var(--ease-out)}
.bureau::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(32,32,64,.05) 30%,rgba(32,32,64,.9) 100%)}
.bureau-txt{position:absolute;z-index:1;left:24px;right:24px;bottom:24px;display:grid;gap:8px}
.bureau-txt .mono{color:var(--sky)}
.bureau-txt p{max-height:0;opacity:0;overflow:hidden;transition:max-height .6s var(--ease-out),opacity .4s;color:rgba(255,255,255,.88)}
@media (hover:hover) and (pointer:fine){.bureaux--acc:hover .bureau{flex:.8}.bureaux--acc .bureau:hover{flex:2.6}.bureaux--acc .bureau img{will-change:transform}.bureau:hover img{transform:translate3d(calc(var(--ox,50%) * -1),0,0) scale(1.06)}.bureau:hover p{max-height:120px;opacity:1}}
@media (hover:none){.bureau-txt p{max-height:none;opacity:1}}
.fibres{position:relative}
.fibres-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center}
.fibres-img{position:absolute;inset:-4%;background-size:cover;background-position:center;transform:scale(calc(1.4 - var(--p,0) * .4))}
.fibres-voile{position:absolute;inset:0;background:radial-gradient(90% 80% at 30% 50%,rgba(32,32,64,.35),rgba(32,32,64,.85))}
.fibres-t{position:relative}
.fibres-t .d1,.pile-fibres .d1{font-weight:700;font-size:clamp(52px,8.4vw,150px);color:#fff}
.fibres-t .it,.pile-fibres .it{color:var(--sky);font-weight:400}
.allies{position:relative;overflow:hidden}
.allies-mot{position:absolute;left:0;bottom:-2%;font-weight:700;font-size:clamp(140px,22vw,400px);line-height:.8;letter-spacing:-.05em;color:rgba(255,255,255,.5);white-space:nowrap;pointer-events:none;transform:translate3d(calc(20% - var(--p,0) * 45%),0,0)}
.allies-g{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(36px,5vw,96px);align-items:end;padding-bottom:clamp(60px,9vw,160px)}
.allies .h1{color:var(--navy)}.allies .it{color:var(--primary)}
.mission-t{margin-top:26px;color:var(--navy)}.mission-t .it{color:var(--primary)}
.phare{overflow:hidden;background:linear-gradient(140deg,#0A3A7A 0%,#1A5392 52%,#2E73B0 100%)}
.phare-fleche{position:absolute;right:-8vw;top:-6vw;width:min(56vw,860px);aspect-ratio:1;opacity:.9}
.phare .wrap{position:relative}
.phare-t{margin:22px 0 28px;max-width:10ch}
.phare-l{max-width:720px}
.phare-deux{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:clamp(56px,6vw,96px)}
.phare-c{display:grid;gap:14px;align-content:start;padding:30px;border-radius:var(--r);background:rgba(0,22,70,.35);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:inset 0 1px 0 rgba(255,255,255,.18)}
.phare-bas{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;margin-top:40px}
.demarche{position:relative}
.demarche-sticky{position:sticky;top:0;min-height:100vh;display:flex;align-items:center;padding-block:80px 40px}
.demarche-g{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,7vw,140px);align-items:center;width:100%}
.demarche-g>div{display:grid;gap:26px;align-content:center}
.dem-num{position:relative;height:clamp(120px,14vw,230px);font-weight:600;font-size:clamp(120px,14vw,230px);line-height:1;letter-spacing:-.06em;color:var(--navy)}
.dem-num>span{position:absolute;left:0;top:0;opacity:0;transform:translate3d(0,40%,0);transition:opacity .5s ease,transform .8s var(--ease-out)}
.dem-num>span:nth-child(1){opacity:clamp(0,calc(1 - var(--step,0) * 10),1);transform:translate3d(0,calc(var(--step,0) * -40%),0)}
.dem-num>span:nth-child(2){opacity:clamp(0,calc(1 - max(var(--step,0) - 1,1 - var(--step,0)) * 10),1);transform:translate3d(0,calc((var(--step,0) - 1) * -40%),0)}
.dem-num>span:nth-child(3){opacity:clamp(0,calc(1 - max(var(--step,0) - 2,2 - var(--step,0)) * 10),1);transform:translate3d(0,calc((var(--step,0) - 2) * -40%),0)}
.dem-num>span:nth-child(4){opacity:clamp(0,calc(1 - (3 - var(--step,0)) * 10),1);transform:translate3d(0,calc((var(--step,0) - 3) * -40%),0)}
.dem-l{position:relative;display:grid;gap:clamp(18px,3vh,36px);padding-left:40px}
.dem-l li{display:grid;gap:8px;opacity:clamp(.2,calc(1 - (var(--k) - var(--step,0)) * 10),1);transition:opacity .5s ease}
.dem-l h3{font-size:clamp(24px,2.5vw,40px);color:var(--navy)}
.dem-l p{font-size:17px;max-width:520px}
.dem-l .mono{color:var(--primary)}
.dem-rail{position:absolute;left:0;top:6px;bottom:6px;width:2px;background:var(--line)}
.dem-rail i{position:absolute;inset:0;background:var(--primary);transform-origin:50% 0;transform:scaleY(var(--p,0))}
.reperes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.repere{position:relative;display:grid;grid-template-rows:auto auto 1fr auto;gap:18px;padding:30px;border-radius:var(--r);background:#fff;color:var(--ink);isolation:isolate;overflow:hidden;transition:transform .6s var(--ease-out),color .4s,opacity .9s var(--ease-out)}
[data-theme=light] .repere{background:var(--mist)}
.repere::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--navy);clip-path:inset(100% 0 0 0);transition:clip-path .6s var(--ease-out)}
.repere-haut,.repere-bas{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}
.repere .h3{color:var(--navy);transition:color .4s}
@media (hover:hover) and (pointer:fine){.repere:hover{transform:translateY(-6px);color:#fff}.repere:hover::before{clip-path:inset(0 0 0 0)}.repere:hover .h3{color:#fff}.repere:hover .muted{color:rgba(255,255,255,.78)}.repere:hover .accent{color:var(--sky)}}
.cadres{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,6vw,120px);align-items:start}
.cadres>div:first-child{display:grid;gap:22px;position:sticky;top:120px}
.cadres-l{display:grid}
.cadre{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:26px 0;border-top:1px solid var(--line);transition:padding .5s var(--ease-out)}
.cadre:last-child{border-bottom:1px solid var(--line)}
.cadre-n{font-weight:600;color:var(--primary)}
.cadre .h4{font-size:clamp(20px,1.8vw,26px);margin-bottom:6px}
@media (hover:hover) and (pointer:fine){.cadre:hover{padding-left:12px}}

/* Accueil B */
.b-hero{position:relative}
.b-hero-sticky{position:sticky;top:0;height:100vh;overflow:hidden}
.b-hero-media{position:absolute;inset:0}
.b-hero-media .media img{transform:scale(calc(1.06 + var(--p,0) * .3))}
.b-hero-voile{position:absolute;inset:0;background:linear-gradient(180deg,rgba(32,32,64,.35) 0%,rgba(32,32,64,.1) 40%,rgba(32,32,64,.92) 100%),rgba(32,32,64,calc(var(--p,0) * .8))}
.b-hero-fleche{position:absolute;right:4%;top:14%;width:min(40vw,620px);aspect-ratio:1;transform:translate3d(calc(var(--p,0) * -30vw),calc(var(--p,0) * 10vh),0) scale(calc(1 + var(--p,0) * 1.4));opacity:calc(1 - var(--p,0) * 1.2)}
.b-hero-in{position:absolute;left:0;right:0;bottom:clamp(40px,7vh,90px);display:grid;gap:28px;transform:translate3d(0,calc(var(--p,0) * -90px),0);opacity:calc(1 - var(--p,0) * 1.7)}
.b-hero-meta{display:flex;justify-content:space-between;gap:20px}
.b-titre{color:#fff;max-width:14ch}.b-titre .it{color:var(--sky)}
.b-indice{display:flex;align-items:center;gap:14px;color:rgba(255,255,255,.75)}
.b-indice span{position:relative;width:1.5px;height:44px;background:rgba(255,255,255,.3);overflow:hidden}
.b-indice span::after{content:"";position:absolute;left:0;top:-50%;width:100%;height:50%;background:#fff;animation:indice 1.8s var(--ease-io) infinite}
@keyframes indice{to{top:100%}}
.b-lede{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(40px,6vw,120px);align-items:start}
.pile{position:relative;background:var(--midnight)}
.pile-c{position:sticky;top:0;height:100vh;background:transparent!important}
.pile-in{height:100%;display:flex;align-items:center;transform-origin:50% 0;overflow:hidden;will-change:transform}
.pile-c[data-theme=light]>.pile-in{background:#fff}
.pile-c[data-theme=sky]>.pile-in{background:var(--sky);align-items:flex-end}
.pile-fibres{background-size:cover;background-position:center;position:relative}
.pile-fibres::before{content:"";position:absolute;inset:0;background:radial-gradient(90% 80% at 30% 50%,rgba(32,32,64,.35),rgba(32,32,64,.85))}
.pile-fibres .wrap{position:relative}
.bidx{position:relative}
.bidx-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center}
.bidx-fond i{position:absolute;inset:0;opacity:clamp(0,calc(1 - max(var(--k) - var(--step,0),var(--step,0) - var(--k)) * 10),1);transition:opacity .9s ease}
.bidx-fond i:nth-child(odd){background:radial-gradient(80% 90% at 80% 20%,#1A5392,var(--midnight) 70%)}
.bidx-fond i:nth-child(even){background:radial-gradient(80% 90% at 20% 80%,#0A3A7A,#202040 70%)}
.bidx-fond i:nth-child(3n){background:radial-gradient(80% 90% at 70% 70%,#20609F,#002060 72%)}
.bidx-g{position:relative;display:grid;grid-template-columns:minmax(0,.5fr) minmax(0,1.5fr);gap:clamp(40px,6vw,120px);align-items:center;width:100%}
.bidx-tete{display:grid;gap:18px}
.bidx-tete .h3{max-width:16ch}
.bidx-l{display:grid;gap:4px;margin-top:18px}
.bidx-l li{display:flex;gap:14px;font-size:15px;opacity:clamp(.38,calc(1 - max(var(--k) - var(--step,0),var(--step,0) - var(--k)) * 10),1);transition:opacity .4s}
.bidx-l .num{color:var(--azure);font-weight:600;width:24px}
.bidx-scene{position:relative;height:min(74vh,640px)}
.bidx-item{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;gap:24px;opacity:clamp(0,calc(1 - max(var(--k) - var(--step,0),var(--step,0) - var(--k)) * 10),1);transform:translate3d(0,calc((var(--k) - var(--step,0)) * 60px),0);transition:opacity .6s ease,transform .9s var(--ease-out);pointer-events:none}
.bidx-sticky[data-step="0"] .bidx-item:nth-child(1),.bidx-sticky[data-step="1"] .bidx-item:nth-child(2),.bidx-sticky[data-step="2"] .bidx-item:nth-child(3),.bidx-sticky[data-step="3"] .bidx-item:nth-child(4),.bidx-sticky[data-step="4"] .bidx-item:nth-child(5),.bidx-sticky[data-step="5"] .bidx-item:nth-child(6),.bidx-sticky[data-step="6"] .bidx-item:nth-child(7),.bidx-sticky[data-step="7"] .bidx-item:nth-child(8){pointer-events:auto}
.bidx-t{font-weight:600;font-size:clamp(56px,8.6vw,150px);line-height:.9;letter-spacing:-.055em}
.bidx-t .it{color:var(--sky)}
.bidx-item p{max-width:640px}
.bidx-item .btn{align-self:flex-start}
.bidx-barre{position:absolute;left:var(--gut);right:var(--gut);bottom:36px;height:2px;background:var(--line-d)}
.bidx-barre i{position:absolute;inset:0;background:var(--azure);transform-origin:0 50%;transform:scaleX(var(--p,0))}
.glisse{position:relative;overflow:hidden;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.glisse-t{display:flex;gap:22px;width:max-content;max-width:none;will-change:transform}
.gcarte{flex:0 0 clamp(280px,30vw,440px);display:grid;gap:12px;align-content:start}
.gcarte-img{aspect-ratio:4/5;border-radius:var(--r);overflow:hidden;margin-bottom:10px}
.gcarte-img img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out),opacity .8s var(--ease-out);pointer-events:none}
.gcarte-img{background:var(--mist) center/cover no-repeat}
.gcarte .h2{color:var(--navy)}
.gcarte p{max-width:36ch}
@media (hover:hover) and (pointer:fine){.gcarte:hover .gcarte-img img{transform:scale(1.06)}}
.glisse.is-drag .gcarte-img img{transform:scale(.97)}
.glisse-barre{position:relative;height:2px;background:var(--line);margin-top:40px}
.glisse-barre i{position:absolute;inset:0;background:var(--primary);transform-origin:0 50%;transform:scaleX(max(.08,var(--dp,0)))}
.glisse-indice{display:flex;align-items:center;gap:10px}
.glisse-indice svg{width:16px}
/* Valeur ajoutée : grille à rangées fixes pour que titres et textes s'alignent d'un panneau à l'autre. */
.bdem-p{flex:0 0 min(560px,80vw);display:grid;grid-template-rows:1fr auto auto;gap:22px;padding:40px 36px 72px;border-left:1px solid var(--line-d);min-height:70vh}
.bdem-n{font-weight:600;font-size:clamp(140px,15vw,260px);line-height:.8;letter-spacing:-.06em;color:transparent;-webkit-text-stroke:1.2px var(--azure);align-self:start}
.bdem-p .h2{display:flex;align-items:flex-end;min-height:2.1em;font-size:clamp(28px,2.7vw,40px);line-height:1.05;letter-spacing:-.03em}
.bdem-p .lead{min-height:4.5em;align-self:start}
.bdem-p .h1{font-size:clamp(40px,4.6vw,76px)}

@media (max-width:1100px){.a-hero-haut{grid-template-columns:1fr;gap:0}.a-hero-fleche{--lw:min(66vw,480px);justify-self:end;margin:clamp(16px,3vw,32px) calc(var(--gut) * -.4) -4vw 0}.a-titre{font-size:clamp(46px,11vw,128px)}}
@media (max-width:900px){
.phero{min-height:auto}.phero-in{grid-template-columns:1fr}.phero-fleche,.cta-fleche{display:none}
.stats{grid-template-columns:1fr}
.a-hero-bas,.b-lede,.allies-g,.cadres,.demarche-g,.bidx-g,.tete-2--ligne,.cta-in{grid-template-columns:1fr}
.cadres>div:first-child{position:static}
.fenetre{height:auto!important}.fenetre-sticky{position:relative;height:auto;display:grid}.fenetre-cadre{position:relative;clip-path:none;aspect-ratio:4/5}.fenetre-stats{position:relative;opacity:1;transform:none;bottom:auto;padding-block:48px}
.constat{height:auto!important}.constat-sticky{position:static;height:auto;padding-block:var(--sec)}.constat-txt{position:static;width:auto;height:auto;transform:none;display:grid;gap:28px;text-align:left}.constat-s{position:static;transform:none;opacity:1}.constat-s .w>span{transform:none}.constat-champ,.constat-lum,.constat-rail{display:none}.constat-s--liste{align-items:flex-start}.cl-puces{justify-content:flex-start}
.hs{height:auto!important}.hs-sticky{position:static;height:auto;padding-block:var(--sec)}.hs-track{flex-direction:column;transform:none!important}.hs-tete{flex:none;padding:0 0 24px}.disc,.bdem-p{flex:none;height:auto;min-height:380px}.hs-barre{display:none}
.bureaux--acc{flex-direction:column;height:auto}.bureau{flex:none;height:320px}
.fibres{height:auto!important}.fibres-sticky{position:relative;height:80vh}
.demarche{height:auto!important}.demarche-sticky{position:static;height:auto;padding-block:var(--sec)}.dem-num{display:none}.dem-l li{opacity:1}.dem-rail{display:none}.dem-l{padding-left:0}
.reperes{grid-template-columns:1fr}
.phare-deux{grid-template-columns:1fr}
.b-hero{height:auto!important}.b-hero-sticky{position:relative}.b-hero-fleche{width:70vw;top:10%;right:-10%}
.pile-c{position:relative;height:auto;min-height:90vh}
.bidx{height:auto!important}.bidx-sticky{position:static;height:auto;display:block;padding-block:var(--sec)}.bidx-fond,.bidx-l,.bidx-barre{display:none}.bidx-scene{height:auto}.bidx-item{position:static;opacity:1;transform:none;pointer-events:auto;padding:40px 0;border-top:1px solid var(--line-d)}
.bdem-p{border-left:0;border-top:1px solid var(--line-d);padding:32px 0;min-height:0}.bdem-p .h2,.bdem-p .lead{min-height:0}
}
html[data-reduce] .fenetre-sticky{--q:1}html[data-reduce] .fibres-img{transform:none}html[data-reduce] .b-hero-in,html[data-reduce] .b-hero-fleche{transform:none;opacity:1}