@font-face{font-family:'Barlow';font-weight:400;font-style:normal;font-display:swap;src:url(fonts/barlow-400.woff2) format('woff2')}
@font-face{font-family:'Barlow';font-weight:500;font-style:normal;font-display:swap;src:url(fonts/barlow-500.woff2) format('woff2')}
@font-face{font-family:'Barlow';font-weight:600;font-style:normal;font-display:swap;src:url(fonts/barlow-600.woff2) format('woff2')}
@font-face{font-family:'Barlow Semi Condensed';font-weight:600;font-style:normal;font-display:swap;src:url(fonts/barlow-semi-condensed-600.woff2) format('woff2')}
@font-face{font-family:'Fraunces';font-weight:300;font-style:normal;font-display:swap;src:url(fonts/fraunces-300.woff2) format('woff2')}
@font-face{font-family:'Fraunces';font-weight:400;font-style:normal;font-display:swap;src:url(fonts/fraunces-400.woff2) format('woff2')}
@font-face{font-family:'Fraunces';font-weight:300;font-style:italic;font-display:swap;src:url(fonts/fraunces-300-italic.woff2) format('woff2')}

:root{
  --nuit:#0a1630; --nuit-2:#0f2148; --bande:#071025; --bleu:#4f95ff; --bleu-clair:#8bb8ff; --bleu-profond:#1450c8; --sur-bleu:#06122b;
  --encre:#0a1630; --gris:#536079; --gris-clair:#a5b4d0; --papier:#f1f4f9; --papier-2:#e4eaf3; --blanc:#fff; --trait:#d3dbe8; --trait-sombre:rgba(255,255,255,.14);
  --titre:'Fraunces',Georgia,'Times New Roman',serif; --texte:'Barlow',system-ui,-apple-system,'Segoe UI',sans-serif; --repere:'Barlow Semi Condensed','Barlow',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--texte);font-size:17px;line-height:1.6;color:var(--encre);background:var(--papier);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
picture{display:block}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
h1,h2,.chiffre{font-family:var(--titre);font-weight:300;letter-spacing:-.018em}
h1{font-size:clamp(2.4rem,5.4vw,4.4rem);line-height:1.05}
h2{font-size:clamp(1.9rem,3.4vw,2.8rem);line-height:1.1}
h3{font-size:1.15rem;font-weight:600;line-height:1.3}
h1 em,h2 em{font-style:italic;color:var(--bleu-profond)}
h1,h2,h3{text-wrap:balance}
p,li,dd{text-wrap:pretty}
a{color:var(--bleu-profond)}
a:hover{color:var(--encre)}
.wrap{max-width:1176px;margin:0 auto;padding:0 28px}
.evite{position:absolute;left:-9999px}
.evite:focus{left:16px;top:16px;z-index:99;background:#fff;color:var(--encre);padding:10px 14px}
:focus-visible{outline:3px solid var(--bleu-profond);outline-offset:3px}
.entete :focus-visible,.hero :focus-visible,.sombre :focus-visible,footer :focus-visible{outline-color:#fff}
.appel :focus-visible{outline-color:var(--sur-bleu)}

.label{display:flex;align-items:center;gap:14px;font-family:var(--repere);font-weight:600;font-size:.84rem;line-height:1.4;letter-spacing:.2em;text-transform:uppercase;color:var(--bleu-profond);margin-bottom:20px}
.label::before{content:"";flex:none;width:44px;height:3px;background:var(--bleu)}
.btn{display:inline-flex;align-items:center;gap:12px;min-height:54px;padding:0 26px;background:var(--bleu);color:var(--sur-bleu);font:600 1rem/1.2 var(--texte);text-decoration:none;border:0;border-radius:3px;cursor:pointer;transition:background .15s}
.btn::after,.lien::after,.plus::after{content:"";flex:none;width:18px;height:18px;background:currentColor;clip-path:polygon(10% 45%,71% 45%,49.5% 23.5%,56.5% 16.5%,90% 50%,56.5% 83.5%,49.5% 76.5%,71% 55%,10% 55%);transition:transform .15s}
.btn:hover{background:var(--bleu-clair);color:var(--sur-bleu)}
.btn:hover::after,.lien:hover::after,a:hover .plus::after{transform:translateX(4px)}
.lien{display:inline-flex;align-items:center;gap:10px;padding:8px 0;font-weight:600;text-decoration:none;color:inherit;border-bottom:2px solid var(--bleu)}
.plus{display:inline-flex;align-items:center;gap:8px;font-size:.93rem;font-weight:600;color:var(--bleu-profond)}
.plus::after{width:15px;height:15px}

/* en-tête */
.entete{position:sticky;top:0;z-index:20;background:var(--nuit);color:#fff;border-bottom:1px solid var(--trait-sombre)}
.barre{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;position:relative}
.logo{display:flex;align-items:center;min-height:48px}
.logo img{display:block;height:46px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a{display:inline-flex;align-items:center;min-height:44px;color:#d6dfef;text-decoration:none;font-size:.97rem;font-weight:500;border-bottom:2px solid transparent}
.nav a:hover{color:#fff}
.nav a[aria-current]{color:#fff;border-bottom-color:var(--bleu)}
.nav a.btn{min-height:44px;padding:0 20px;color:var(--sur-bleu);border:0;font-weight:600}
.nav a.btn::after{display:none}
.menu{display:none}

/* accroche */
.hero{background:var(--nuit);color:#fff}
.hero-vue{position:relative;overflow:hidden}
.hero-scene{display:block;position:absolute;top:0;right:0;bottom:0;width:60%}
.hero-scene img{display:block;width:100%;height:100%;max-width:none;object-fit:cover;object-position:58% 100%}
.hero-scene::after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,var(--nuit) 0%,rgba(10,22,48,0) 48%),linear-gradient(180deg,var(--nuit) 0%,rgba(10,22,48,0) 22%)}
.hero-in{position:relative;z-index:1;padding-top:84px;padding-bottom:88px}
.hero .label{color:var(--bleu)}
.hero h1{max-width:11.6em}
.hero h1 em{color:var(--bleu)}
.hero .intro{font-size:1.16rem;color:var(--gris-clair);margin-top:28px;max-width:33em}
.hero-photos{position:absolute;top:0;right:0;bottom:0;width:min(46%,820px);display:grid;grid-template-columns:1fr 1fr;gap:3px}
.volet{position:relative;margin:0;overflow:hidden;background:var(--nuit-2)}
.volet picture,.volet img{display:block;width:100%;height:100%}
.volet img{max-width:none;object-fit:cover}
.volet figcaption{position:absolute;left:0;right:0;bottom:0;padding:110px 22px 22px;background:linear-gradient(180deg,rgba(7,16,37,0) 0%,rgba(7,16,37,.78) 52%,rgba(7,16,37,.95) 100%);color:#fff;font-family:var(--repere);font-weight:600}
.volet strong{display:block;font-size:2rem;line-height:1;letter-spacing:.06em;font-weight:600}
.volet span{display:block;margin-top:8px;font-size:.78rem;line-height:1.35;letter-spacing:.18em;text-transform:uppercase;color:#d6dfef}
.hero.avec-photos h1{font-size:clamp(2.3rem,4.7vw,4.1rem)}
.hero.avec-photos .hero-in>*{max-width:calc(54% - 48px)}
.hero.court .hero-in{padding-top:56px;padding-bottom:72px}
.hero.court h1{font-size:clamp(2.2rem,4.6vw,3.6rem);max-width:13em}
.hero.court.avec-scene .intro{max-width:30em}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 30px;margin-top:38px}
.fil{font-size:.9rem;color:var(--gris-clair);margin-bottom:18px}
.fil a{display:inline-block;padding:12px 0;color:#d6dfef}
.fil a:hover{color:#fff}
.filigrane{position:absolute;right:-60px;top:50%;width:460px;height:460px;margin-top:-230px;color:#fff;opacity:.05}
.reperes{background:var(--bande);border-top:1px solid var(--trait-sombre)}
.reperes .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.repere{padding:22px 24px 24px 0;margin-right:24px;border-right:1px solid var(--trait-sombre)}
.repere:last-child{border-right:0;margin-right:0}
.repere strong{display:block;font-family:var(--repere);font-weight:600;font-size:1.4rem;letter-spacing:.03em;line-height:1.2}
.repere span{display:block;font-size:.95rem;line-height:1.4;color:var(--gris-clair);margin-top:4px}

/* sections */
section{padding:104px 0}
section.serre{padding:80px 0}
.papier-2{background:var(--papier-2)}
.sombre{background:var(--nuit);color:#fff}
.sombre .label{color:var(--bleu)}
.tete{display:grid;grid-template-columns:1.2fr 1fr;gap:24px 72px;align-items:end;margin-bottom:56px}
.tete .label{margin-bottom:20px}
.tete>p{color:var(--gris);font-size:1.05rem}
.sombre .tete>p{color:var(--gris-clair)}

.liste{display:grid;grid-template-columns:1fr 1fr;column-gap:64px;border-top:1px solid var(--encre)}
.item{display:grid;grid-template-columns:52px 1fr;gap:6px;padding:30px 0 32px;border-bottom:1px solid var(--trait);text-decoration:none;color:inherit}
.item .num{font-family:var(--repere);font-weight:600;font-size:1.05rem;letter-spacing:.06em;color:var(--bleu-profond);padding-top:2px}
.item h3{font-size:1.18rem}
.item p{color:var(--gris);margin:8px 0 14px;font-size:1rem}
a.item:hover{color:inherit}
a.item:hover h3{color:var(--bleu-profond)}

.chiffres{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--encre)}
.bloc{padding:40px 36px 8px 0;margin-right:36px;border-right:1px solid var(--trait)}
.bloc:last-child{border-right:0;margin-right:0}
.chiffre{display:block;font-size:clamp(3.8rem,7.4vw,6rem);line-height:.95;color:var(--bleu-profond)}
.bloc h3{margin:16px 0 8px;font-size:1.25rem}
.bloc p{color:var(--gris)}
.note{color:var(--gris);font-size:.93rem;margin-top:40px}

.tuiles{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tuile{display:flex;flex-direction:column;background:var(--nuit-2);color:#fff;text-decoration:none;transition:transform .15s,background .15s}
.tuile:hover{background:#15295c;color:#fff;transform:translateY(-3px)}
.tuile img{display:block;width:100%;height:auto;aspect-ratio:1080/560;object-fit:cover}
.tuile-txt{display:flex;flex-direction:column;gap:8px;flex:1;padding:20px 22px 24px}
.tuile-nom{font-family:var(--repere);font-weight:600;font-size:1.25rem;letter-spacing:.05em;text-transform:uppercase;line-height:1.2}
.tuile-desc{font-size:.95rem;line-height:1.45;color:var(--gris-clair)}
.tuile .plus{margin-top:auto;padding-top:10px;color:var(--bleu)}
.tuiles.grandes{grid-template-columns:1fr 1fr;gap:24px}
.grandes .tuile-txt{padding:26px 30px 30px}
.grandes .tuile-nom{font-size:1.5rem}
.grandes .tuile-desc{font-size:1.02rem;max-width:32em}

.duo{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px 80px;align-items:start}
.photos{display:grid;grid-template-columns:3fr 2fr;gap:20px;margin-top:72px}
.photos.avant{margin-top:0;margin-bottom:72px}
.photos figure{min-width:0}
.photos img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;background:var(--nuit-2)}
.photos figure:last-child img{aspect-ratio:1/1}
.photos figcaption{display:flex;align-items:baseline;gap:12px;margin-top:12px;font-size:.93rem;line-height:1.4;color:var(--gris)}
.photos figcaption::before{content:"";flex:none;width:22px;height:3px;background:var(--bleu);transform:translateY(-4px)}
.panorama{position:relative;background:var(--nuit)}
.panorama img{display:block;width:100%;height:auto;aspect-ratio:3.3/1;object-fit:cover}
.panorama::before{content:"";position:absolute;left:0;right:0;top:0;height:42%;background:linear-gradient(180deg,var(--nuit) 0%,rgba(10,22,48,0) 100%)}
.duo>*{min-width:0}
.duo h2{margin-bottom:24px}
.duo .texte{color:var(--gris);font-size:1.05rem;margin-bottom:30px}
dl{border-top:1px solid var(--encre)}
dl div{display:grid;grid-template-columns:200px 1fr;gap:4px 24px;padding:20px 0;border-bottom:1px solid var(--trait)}
dt{font-weight:600}
dd{color:var(--gris)}
.certifs{margin-top:38px}
.certifs h3,.detail h3,.sous{font-family:var(--repere);font-size:.84rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;margin-bottom:14px}
.certifs ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.certifs li{padding:6px 14px;border:1px solid var(--encre);border-radius:3px;font-weight:600;font-size:.95rem}

.detail{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px 72px;align-items:start;padding:68px 0;border-top:1px solid var(--trait);scroll-margin-top:72px}
.detail:first-of-type{border-top:1px solid var(--encre)}
.detail .num{display:block;font-family:var(--repere);font-weight:600;font-size:1.05rem;letter-spacing:.06em;color:var(--bleu-profond);margin-bottom:12px}
.detail h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:16px}
.detail .enjeu{color:var(--gris);font-size:1.05rem}
ul.traits{list-style:none;padding:0;margin-bottom:30px}
ul.traits li{padding:14px 0;border-bottom:1px solid var(--trait)}
.refs-norme{color:var(--gris)}
ul.missions{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;column-gap:64px;border-top:1px solid var(--encre)}
ul.missions li{position:relative;padding:24px 0 24px 36px;border-bottom:1px solid var(--trait)}
ul.missions li::before{content:"";position:absolute;left:0;top:calc(24px + .8em - 1px);width:20px;height:3px;background:var(--bleu)}
.trois{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 48px;border-top:1px solid var(--encre);padding-top:36px}
.trois p{color:var(--gris);margin-top:10px}
.corps{max-width:46em}
.corps p{margin-bottom:1em}
.corps h2{font-size:1.8rem;margin:1.6em 0 .5em}
.corps h2:first-child{margin-top:0}
.acompleter{background:#ffe9a8;padding:0 .3em}
.avis{border-left:4px solid var(--bleu);background:var(--papier-2);padding:16px 20px;font-weight:500}
.corps .avis{margin-bottom:2em}
.avis strong{display:block;font-family:var(--repere);font-weight:600;font-size:.84rem;letter-spacing:.2em;text-transform:uppercase;color:var(--bleu-profond);margin-bottom:4px}

.appel{background:var(--bleu);color:var(--sur-bleu);padding:92px 0}
.appel .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:36px 72px;align-items:center}
.appel h2{font-size:clamp(2.1rem,4.2vw,3.4rem)}
.appel p{margin-top:18px;font-size:1.1rem;max-width:30em}
.coord a{display:flex;align-items:center;min-height:60px;font-family:var(--titre);font-weight:300;font-size:clamp(1.25rem,2.2vw,1.6rem);color:var(--sur-bleu);text-decoration:none;border-bottom:1px solid rgba(6,18,43,.45)}
.coord a:hover{border-bottom-color:var(--sur-bleu)}
.coord span{display:block;margin-top:16px;font-size:.95rem}

form.contact{display:grid;gap:22px}
form.contact label{display:block;font-weight:600;font-size:.97rem;margin-bottom:6px}
form.contact input[type=text],form.contact input[type=email],form.contact textarea{width:100%;font:inherit;padding:.85em .9em;border:1px solid #6f7d96;background:#fff;color:var(--encre);border-radius:3px}
form.contact textarea{min-height:170px;resize:vertical}
form.contact .accord{display:grid;grid-template-columns:24px 1fr;gap:14px;align-items:start;font-size:.95rem;color:var(--gris)}
form.contact .accord input{width:24px;height:24px;margin:1px 0 0;accent-color:var(--bleu-profond)}
form.contact .accord label{font-weight:400;margin:0}
.piege{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.infos a{display:flex;align-items:center;min-height:60px;font-family:var(--titre);font-weight:300;font-size:clamp(1.1rem,5.8vw,1.5rem);overflow-wrap:anywhere;color:var(--encre);text-decoration:none;border-bottom:1px solid var(--trait)}
.infos p:not(.label){color:var(--gris);margin-top:18px}

footer{background:var(--bande);color:var(--gris-clair);font-size:.95rem}
.pied{display:grid;grid-template-columns:1.35fr 1.3fr 1fr .7fr;gap:40px 56px;padding-top:68px;padding-bottom:52px}
.pied .logo img{height:42px}
.signature{font-family:var(--repere);font-weight:600;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--bleu);margin-top:18px}
.pied-marque p:not(.signature){margin-top:12px;max-width:23em}
.pied-contact{margin-top:20px}
.pied-contact a{display:flex}
.pied-titre{font-family:var(--repere);font-weight:600;font-size:.84rem;line-height:1.4;letter-spacing:.2em;text-transform:uppercase;color:#fff;margin-bottom:12px}
.pied ul{list-style:none;padding:0}
.pied li a,.pied-contact a{align-items:center;min-height:36px;color:#d6dfef;text-decoration:none;line-height:1.35}
.pied li a{display:inline-flex;padding:4px 0}
.pied a:hover,.bas a:hover{color:#fff;text-decoration:underline}
.bas{border-top:1px solid var(--trait-sombre)}
.bas .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:0 28px;padding-top:12px;padding-bottom:12px}
.bas a{display:inline-flex;align-items:center;min-height:44px;color:#d6dfef;text-decoration:none}
.bas span{margin-right:auto}

@media (min-width:900px){
  .duo>:first-child,.detail>:first-child{position:sticky;top:104px}
  .tuile-nom{min-height:2.4em}
  .grandes .tuile-nom{min-height:0}
  .liste.par-trois{grid-template-columns:repeat(3,1fr);column-gap:48px}
  .par-trois .item{grid-template-columns:1fr;align-content:start;gap:10px}
}
@media (max-width:899px){
  .nav{display:none}
  .menu{display:block}
  .menu summary{list-style:none;display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 14px;border:1px solid var(--trait-sombre);border-radius:3px;font-weight:600;cursor:pointer}
  .menu summary::-webkit-details-marker{display:none}
  .menu summary::before{content:"";width:18px;height:14px;border-top:2px solid #fff;border-bottom:2px solid #fff;background:linear-gradient(#fff,#fff) center/100% 2px no-repeat}
  .menu[open] summary{background:var(--nuit-2)}
  .menu nav{position:absolute;left:0;right:0;top:100%;background:var(--nuit);border-bottom:1px solid var(--trait-sombre);padding:4px 28px 22px;display:flex;flex-direction:column}
  .menu nav a{display:flex;align-items:center;min-height:54px;color:#fff;text-decoration:none;font-size:1.05rem;border-bottom:1px solid var(--trait-sombre)}
  .menu nav a[aria-current]{color:var(--bleu)}
  .menu nav a.btn{margin-top:18px;justify-content:center;border:0;color:var(--sur-bleu)}
  .hero-scene{position:relative;width:100%;height:clamp(230px,60vw,360px)}
  .hero-scene img{object-position:62% 100%}
  .hero-scene::after{background:linear-gradient(180deg,var(--nuit) 0%,rgba(10,22,48,0) 42%)}
  .hero-in{padding-top:56px;padding-bottom:28px}
  .hero.court .hero-in{padding-top:40px;padding-bottom:44px}
  .hero.court.avec-scene .hero-in{padding-bottom:20px}
  .hero.avec-photos .hero-in{padding-bottom:36px}
  .hero.avec-photos .hero-in>*{max-width:none}
  .hero-photos{position:relative;width:100%;height:clamp(250px,64vw,420px)}
  .volet figcaption{padding:80px 16px 16px}
  .volet strong{font-size:1.6rem}
  .volet span{font-size:.7rem;letter-spacing:.14em}
  .photos{grid-template-columns:1fr;gap:28px;margin-top:52px}
  .photos.avant{margin-bottom:52px}
  .photos figure:last-child img{aspect-ratio:3/2}
  .photos .cadre-bas img{object-position:50% 100%}
  .photos .cadre-haut img{object-position:50% 0}
  .filigrane{display:none}
  .reperes .wrap{grid-template-columns:1fr 1fr}
  .repere{border-right:0;margin-right:0;padding-right:16px}
  section{padding:76px 0}
  section.serre{padding:60px 0}
  .tete,.duo,.detail,.appel .wrap{grid-template-columns:1fr}
  .tete{margin-bottom:40px}
  .liste,.chiffres,.trois{grid-template-columns:1fr}
  .bloc{border-right:0;margin-right:0;padding:32px 0;border-bottom:1px solid var(--trait)}
  .bloc:last-child{border-bottom:0}
  .tuiles{grid-template-columns:1fr 1fr}
  .detail{padding:52px 0}
  ul.missions{grid-template-columns:1fr}
  .pied{grid-template-columns:1fr 1fr;gap:36px 32px;padding-top:52px;padding-bottom:40px}
  .pied-marque{grid-column:1/-1}
  .pied li a,.pied-contact a{min-height:44px}
}
@media (max-width:700px){
  .panorama img{aspect-ratio:1.6/1}
}
@media (max-width:560px){
  .wrap{padding-left:20px;padding-right:20px}
  .menu nav{padding-left:20px;padding-right:20px}
  .tuiles,.tuiles.grandes{grid-template-columns:1fr}
  .grandes .tuile-txt{padding:20px 22px 24px}
  .grandes .tuile-nom{font-size:1.25rem}
  .repere strong{font-size:1.18rem}
  .pied nav:first-of-type{grid-column:1/-1}
  .bas span{width:100%;margin:0;padding-top:10px}
  dl div{grid-template-columns:1fr}
  .item{grid-template-columns:42px 1fr}
  .logo img{height:40px}
  .btn{width:100%;justify-content:center}
  .nav a.btn,.menu nav a.btn{width:auto}
  .actions .lien{margin:0 auto}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.entete{position:static}.hero-scene,.hero-photos,.menu{display:none}}