:root{
    --nuit:#003659; --nuit-2:#0A4A73; --nuit-3:#002A46; --acier:#D9EAF7; --acier-2:#C3DBEE; --acier-fonce:#7FA9C9;
    --orange:#FC6404; --blanc:#FFFFFF;
    --ease:cubic-bezier(.22,1,.36,1);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:var(--f-texte);color:var(--acier);background:var(--nuit);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  .wrap{max-width:1320px;margin:0 auto;padding:0 48px}
  h1,h2,h3{font-family:var(--f-titre);font-weight:700;color:var(--blanc);letter-spacing:-.02em}
  h2{font-size:clamp(30px,3.6vw,48px);line-height:1.1}
  .point{color:var(--orange)}

  /* Logo */
  .logo{display:inline-flex;align-items:center;font-family:var(--f-logo);font-size:24px;line-height:1;color:var(--blanc)}
  .logo .bar{display:inline-block;width:2.5px;height:1.7em;background:var(--blanc);transform:rotate(12deg)}
  .logo .bar.b2{background:var(--acier-fonce)}
  .logo .mot{margin:0 .75em 0 .9em;white-space:nowrap;display:inline-flex;align-items:baseline}
  .logo .dot{display:inline-block;width:.32em;height:.32em;border-radius:50%;background:var(--orange);margin:0 .1em 0 .14em}
  .logo .pa,.logo .L{display:inline-block}

  /* Ouverture : révélation du logo, 1,9 s, une fois par session (slide 11) */
  .intro{position:fixed;inset:0;z-index:50;background:var(--nuit);display:none;place-items:center;pointer-events:none}
  .js .intro.joue{display:grid;animation:sortie .9s var(--ease) 2.1s forwards}
  /* Mesure des positions avant l'animation : fond bleu nuit affiché, logo encore caché */
  .js .intro.mesure{display:grid}
  .intro.mesure .logo,.intro.mesure .base{visibility:hidden}
  @keyframes sortie{to{transform:translateY(-100%);visibility:hidden}}
  .intro .logo{font-size:clamp(44px,8vw,96px)}
  .intro .logo .bar{width:.075em}
  .intro .base{position:absolute;left:0;right:0;top:calc(50% + clamp(56px,8vw,100px));text-align:center;font-size:clamp(14px,1.4vw,18px);letter-spacing:.14em;color:var(--acier-fonce);opacity:0}
  .intro.joue > .logo{animation:apparait .4s ease-out both}
  .intro.joue .b1{animation:barG .8s var(--ease) .35s both}
  .intro.joue .b2{animation:barD .8s var(--ease) .35s both}
  .intro.joue .pa{animation:txtG .55s ease-out .6s both}
  .intro.joue .L{animation:txtD .55s ease-out .72s both}
  .intro.joue .dot{animation:pointCentre .8s var(--ease) .35s both, pulse .45s ease-in-out 1.2s}
  .intro.joue .base{animation:fondu .5s ease-out 1.35s both}
  .js .intro.fini{display:none}
  @keyframes apparait{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
  /* T0 : pictogramme compact et centré (décalages --dx calculés par site.js), puis les barres s'écartent */
  @keyframes barG{from{transform:translateX(var(--dx,0px)) rotate(12deg)}to{transform:rotate(12deg)}}
  @keyframes barD{from{transform:translateX(var(--dx,0px)) rotate(12deg)}to{transform:rotate(12deg)}}
  @keyframes pointCentre{from{transform:translateX(var(--dx,0px))}to{transform:none}}
  @keyframes txtG{from{opacity:0;transform:translateX(-12px)}to{opacity:1;transform:none}}
  @keyframes txtD{from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:none}}
  @keyframes pulse{50%{transform:scale(1.06)}}
  @keyframes fondu{from{opacity:0}to{opacity:1}}

  /* Header transparent sur le hero, aplat nuit ensuite */
  header{position:fixed;top:0;left:0;right:0;z-index:20;transition:background .25s,border-color .25s;border-bottom:1px solid transparent}
  header .wrap{height:76px;display:flex;align-items:center;justify-content:space-between;transition:height .2s var(--ease)}
  header.plein{background:var(--nuit);border-bottom-color:rgba(255,255,255,.1)}
  header.plein .wrap{height:64px}
  nav{display:flex;align-items:center;gap:36px}
  nav a{font-size:17px;color:var(--acier);position:relative;padding:4px 0;transition:color .2s}
  nav a:hover{color:var(--blanc)}
  nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
  nav a:not(.btn):hover::after{transform:scaleX(1)}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 28px;font-family:var(--f-texte);font-size:17px;font-weight:700;white-space:nowrap;transition:background .2s,color .2s,transform .2s}
  .btn:active{transform:translateY(1px)}
  .btn-orange{background:var(--orange);color:var(--blanc)}
  .btn-orange:hover{background:#E35803}
  .btn-contour{border:1.5px solid var(--blanc);color:var(--blanc)}
  .btn-contour:hover{background:var(--blanc);color:var(--nuit)}
  nav .btn{height:42px;padding:0 22px;color:var(--blanc)}
  .fleche{display:inline-block;transition:transform .2s var(--ease)}
  .btn:hover .fleche,a:hover > .fleche{transform:translateX(4px)}

  /* Hero plein cadre */
  .hero{position:relative;min-height:100dvh;display:flex;align-items:flex-end;overflow:hidden}
  .hero-photo{position:absolute;inset:0}
  .hero-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 40%;filter:grayscale(1) contrast(1.1)}
  .hero-photo::after{content:"";position:absolute;inset:0;background:var(--nuit);mix-blend-mode:multiply;opacity:.92}
  .hero-photo::before{content:"";position:absolute;inset:0;background:var(--nuit-3);opacity:.35;z-index:1}
  .hero .wrap{position:relative;z-index:2;width:100%;padding-bottom:88px;padding-top:140px}
  .hero h1{font-size:clamp(42px,5.6vw,84px);line-height:1.04;max-width:19ch}
  .hero-bas{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-top:40px;flex-wrap:wrap}
  .hero p{font-size:20px;line-height:1.55;max-width:38ch;color:var(--acier)}
  .hero .ctas{display:flex;gap:16px;flex-wrap:wrap}

  /* Chiffres */
  .chiffres{background:var(--nuit-3);border-top:1px solid rgba(255,255,255,.08)}
  .chiffres .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
  .chiffre{padding:48px 28px 44px;border-left:1px solid rgba(255,255,255,.1)}
  .chiffre:first-child{border-left:0;padding-left:0}
  .chiffre b{display:block;font-family:var(--f-titre);font-size:clamp(44px,4.8vw,68px);line-height:1;color:var(--blanc);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
  .chiffre b i{font-style:normal;color:var(--orange)}
  .chiffre > span{display:block;margin-top:12px;color:var(--acier-fonce);font-size:16px}

  /* Secteurs : accordéon d'images */
  .secteurs{padding:120px 0 112px}
  .secteurs h2{max-width:20ch}
  .accordeon{display:flex;gap:12px;height:520px;margin-top:56px}
  .volet{position:relative;flex:1;overflow:hidden;transition:flex-grow .6s var(--ease);min-width:0;cursor:pointer;outline:none}
  .volet.ouvert{flex-grow:1.9}
  .volet img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.6);transition:filter .6s var(--ease),transform .8s var(--ease)}
  .volet::after{content:"";position:absolute;inset:0;background:var(--nuit);opacity:.62;transition:opacity .6s var(--ease)}
  .volet.ouvert img{filter:grayscale(0);transform:scale(1.02)}
  .volet.ouvert::after{opacity:.38}
  .volet::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--orange);z-index:3;transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
  .volet.ouvert::before{transform:scaleX(1)}
  .volet-texte{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:28px 32px 32px;transition:background .4s}
  .volet.ouvert .volet-texte{background:rgba(0,42,70,.86)}
  .volet h3{font-size:clamp(22px,2vw,30px);line-height:1.15}
  .volet .detail{max-width:40ch;opacity:0;transform:translateY(8px);transition:opacity .4s ease .1s,transform .4s var(--ease) .1s}
  .volet .detail p{color:var(--acier);font-size:17px;margin-top:10px;line-height:1.55}
  .volet .detail a{display:inline-flex;gap:8px;margin-top:14px;color:var(--blanc);font-weight:700;border-bottom:2px solid var(--orange);padding-bottom:2px}
  .volet.ouvert .detail{opacity:1;transform:none}
  .volet:not(.ouvert) .detail{position:absolute;pointer-events:none}

  /* Manifeste : le sens du signe */
  .manifeste{background:var(--acier);color:var(--nuit)}
  .manifeste .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:center;padding-top:120px;padding-bottom:120px}
  .signe{display:flex;align-items:center;justify-content:center;gap:clamp(32px,4vw,56px);height:100%}
  .signe i{display:block;width:10px;height:clamp(160px,18vw,240px);background:var(--nuit);transform:rotate(12deg)}
  .signe i:last-child{background:var(--acier-fonce)}
  .signe b{display:block;width:clamp(44px,5vw,64px);height:clamp(44px,5vw,64px);border-radius:50%;background:var(--orange)}
  .manifeste h2{color:var(--nuit);font-size:clamp(28px,3.2vw,44px);line-height:1.18}
  .manifeste p{font-size:19px;color:#2E4A60;margin-top:24px;max-width:48ch}

  /* Bandeau des cinq messages (seul défilement de la page) */
  .messages{border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1);overflow:hidden;padding:30px 0;background:var(--nuit)}
  .piste{display:flex;width:max-content;animation:defile 38s linear infinite}
  .messages:hover .piste{animation-play-state:paused}
  .piste span{font-family:var(--f-titre);font-size:clamp(24px,2.6vw,36px);color:var(--blanc);white-space:nowrap;display:inline-flex;align-items:center}
  .piste span::after{content:"";display:inline-block;width:.34em;height:.34em;border-radius:50%;background:var(--orange);margin:0 .9em}
  @keyframes defile{to{transform:translateX(-50%)}}

  /* Carrières */
  .carrieres{padding:120px 0}
  .carrieres .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:72px;align-items:center}
  .carrieres-photo{position:relative;aspect-ratio:5/4;overflow:hidden}
  .carrieres-photo img{width:100%;height:100%;object-fit:cover}
  .carrieres p{font-size:19px;margin-top:22px;max-width:42ch;color:var(--acier)}
  .carrieres .btn{margin-top:32px}

  /* Contact */
  .contact{background:var(--nuit-3);padding:112px 0 96px}
  .contact p{font-size:20px;color:var(--acier-fonce)}
  .contact .mail{display:inline-flex;align-items:center;gap:.3em;margin-top:16px;font-family:var(--f-titre);font-weight:700;font-size:clamp(34px,6vw,84px);line-height:1.1;color:var(--blanc);letter-spacing:-.03em;position:relative}
  .contact .mail::after{content:"";position:absolute;left:0;right:0;bottom:-.06em;height:.06em;background:var(--orange);transform:scaleX(.18);transform-origin:left;transition:transform .5s var(--ease)}
  .contact .mail:hover::after{transform:scaleX(1)}

  /* Footer */
  footer{background:var(--nuit-3);color:var(--acier-fonce);border-top:1px solid rgba(255,255,255,.08)}
  footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:32px;padding-bottom:32px;flex-wrap:wrap;font-size:15px}
  footer nav{gap:28px}
  footer nav a{font-size:15px;color:var(--acier-fonce)}

  /* Apparition au scroll */
  .js .rv{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:calc(var(--i,0) * 80ms)}
  .js .rv.vu{opacity:1;transform:none}

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation:none!important;transition:none!important}
    .js .rv{opacity:1;transform:none}
    .intro{display:none}
    .piste{flex-wrap:wrap;width:auto;justify-content:center;row-gap:8px}
    .piste span[aria-hidden]{display:none}
    html{scroll-behavior:auto}
  }

  @media (max-width:900px){
    .wrap{padding:0 16px}
    nav a:not(.btn){display:none}
    header .wrap{height:64px}
    .logo{font-size:20px}
    .hero .wrap{padding-bottom:48px;padding-top:120px}
    .hero-bas{flex-direction:column;align-items:flex-start;gap:28px}
    .hero .ctas{width:100%}
    .hero .ctas .btn{flex:1 1 100%}
    .chiffres .wrap{grid-template-columns:1fr 1fr}
    .chiffre,.chiffre:first-child{padding:28px 16px;border-left:0}
    .chiffre:nth-child(even){border-left:1px solid rgba(255,255,255,.1)}
    .chiffre:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.1)}
    .secteurs{padding:72px 0}
    .accordeon{flex-direction:column;height:auto;margin-top:36px}
    .volet,.volet.ouvert{flex:none;height:320px}
    .volet .detail,.volet:not(.ouvert) .detail{opacity:1;transform:none;position:static;pointer-events:auto}
    .volet::after{opacity:.5}
    .volet-texte{padding:20px}
    .volet-texte{background:rgba(0,42,70,.86)}
    .manifeste .wrap{grid-template-columns:1fr;gap:40px;padding-top:72px;padding-bottom:72px}
    .signe{height:180px}
    .carrieres{padding:72px 0}
    .carrieres .wrap{grid-template-columns:1fr;gap:36px}
    .contact{padding:72px 0}
    .contact .mail{font-size:clamp(28px,8.4vw,44px)}
    footer .wrap{flex-direction:column;align-items:flex-start}
    footer nav a{display:inline}
  }

/* Lien du logo */
.logo-lien{display:inline-flex}

/* Page simple (mentions légales) */
.page-simple header{background:var(--nuit);border-bottom-color:rgba(255,255,255,.1)}
.legal{padding:150px 0 96px;min-height:70vh}
.legal .wrap{max-width:860px}
.legal h1{font-size:clamp(34px,4vw,52px);line-height:1.1}
.legal h2{font-size:22px;margin-top:48px;color:var(--blanc)}
.legal dl{display:grid;grid-template-columns:minmax(160px,.4fr) 1fr;gap:10px 24px;margin-top:16px}
.legal dt{color:var(--acier-fonce)}
.legal dd{color:var(--acier)}
.legal p{margin-top:14px;color:var(--acier);max-width:70ch}
@media (max-width:900px){
  .legal{padding:110px 0 64px}
  .legal dl{grid-template-columns:1fr;gap:2px}
  .legal dd{margin-bottom:12px}
}