/* GDENA Partnership — styles communs de toutes les pages (charte validée le 07/10/2026). */
  :root{
    --encre:#0B2236;      /* bleu nuit profond */
    --porte:#1A4E8C;      /* bleu des portes, assourdi */
    --ciel:#A9C9E2;       /* filets sur fond sombre */
    --chaux:#F3F5F6;      /* blanc de chaux, froid */
    --texte:#24323F;
    --doux:#5A6875;
    --filet:#D9E0E6;
    --serif:"Cormorant Garamond",Garamond,Georgia,serif;
    --sans:Jost,"Segoe UI",Arial,sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  body{font-family:var(--sans);font-weight:300;color:var(--texte);background:#fff;font-size:17px;line-height:1.7}
  a{color:inherit;text-decoration:none}
  a:focus-visible{outline:2px solid var(--ciel);outline-offset:4px}
  .wrap{max-width:1140px;margin:0 auto;padding:0 32px}

  /* ---------- en-tête + héros sombres ---------- */
  .top{background:var(--encre);color:#fff;position:relative;overflow:hidden}
  header .wrap{display:flex;align-items:center;justify-content:space-between;height:92px}
  .brand{display:flex;align-items:center;gap:14px}
  .brand svg{width:34px;height:34px}
  .brand b{font-family:var(--serif);font-weight:500;font-size:24px;letter-spacing:.3px}
  nav{display:flex;gap:40px;font-size:15px;color:#C9D6E2}
  nav a:hover{color:#fff}
  .lang{font-size:14px;color:#8FA6BA;display:flex;gap:14px}
  .lang b{color:#fff;font-weight:400}

  .hero{padding:72px 0 0}
  .hero .wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:72px;align-items:end}
  h1{font-family:var(--serif);font-weight:400;font-size:76px;line-height:1.02;letter-spacing:-.5px}
  .sig{font-family:var(--serif);font-size:26px;color:var(--ciel);margin:28px 0 18px}
  .lead{color:#C9D6E2;max-width:520px;font-size:17px}
  .ctas{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap;padding-bottom:88px}
  .btn{display:inline-block;font-family:var(--sans);font-weight:400;font-size:15px;letter-spacing:.4px;padding:15px 30px;border:1px solid currentColor;transition:background .25s,color .25s}
  .btn-light{background:#fff;color:var(--encre);border-color:#fff}
  .btn-light:hover{background:var(--ciel);border-color:var(--ciel)}
  .btn-ghost{color:#fff}
  .btn-ghost:hover{background:#fff;color:var(--encre)}
  .btn-dark{background:var(--encre);color:#fff;border-color:var(--encre)}

  /* l'arche djerbienne : signature visuelle */
  .arch{border-radius:999px 999px 0 0;overflow:hidden}
  .arch.ph{background:linear-gradient(180deg,#163954,#0F2C44);border:1px solid #2A4C69;display:flex;align-items:center;justify-content:center;text-align:center;color:#7F9AB1;font-size:14px}
  .hero .arch{height:470px;margin-bottom:0;border-bottom:0}

  .facts{border-top:1px solid #23415B}
  .facts .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
  .fact{padding:36px 28px 40px 0}
  .fact + .fact{padding-left:28px;border-left:1px solid #23415B}
  .fact b{display:block;font-family:var(--serif);font-weight:500;font-size:40px;line-height:1.1;color:#fff}
  .fact span{font-size:14px;color:#8FA6BA}

  /* ---------- sections claires ---------- */
  section{padding:128px 0}
  section.chaux{background:var(--chaux)}
  h2{font-family:var(--serif);font-weight:400;font-size:52px;line-height:1.08;color:var(--encre);max-width:760px}
  .intro{color:var(--doux);max-width:560px;margin:22px 0 64px}
  h3{font-family:var(--serif);font-weight:500;font-size:28px;line-height:1.2;color:var(--encre);margin-bottom:12px}
  p{color:var(--doux)}

  .offres{display:grid;grid-template-columns:1fr 1fr;column-gap:96px}
  .offre{padding:40px 0;border-top:1px solid var(--filet)}
  .offre a{display:inline-block;margin-top:16px;font-size:15px;font-weight:400;color:var(--porte);border-bottom:1px solid var(--porte);padding-bottom:2px}

  .trois{display:grid;grid-template-columns:repeat(3,1fr);gap:64px}
  .trois h3{font-size:30px}

  .cas{display:grid;grid-template-columns:.75fr 1.25fr;gap:96px;align-items:start}
  .cas .arch.ph{height:420px;background:#E6ECF0;border:1px solid var(--filet);color:#8A99A6}
  .bloc{padding:28px 0;border-top:1px solid var(--filet)}
  .bloc:last-child{border-bottom:1px solid var(--filet)}
  .bloc .lbl{font-family:var(--serif);font-size:22px;font-weight:500;color:var(--encre);display:block;margin-bottom:6px}

  .confiance{margin-top:96px;display:grid;grid-template-columns:1fr 1fr;gap:64px}
  .confiance h4{font-family:var(--serif);font-weight:500;font-size:22px;color:var(--encre);margin-bottom:18px}
  .noms{display:flex;flex-wrap:wrap;gap:0}
  .noms span{font-family:var(--serif);font-size:24px;color:var(--porte);padding:10px 26px 10px 0;margin-right:26px;border-right:1px solid var(--filet)}
  .noms span:last-child{border-right:0}

  .etapes{display:grid;grid-template-columns:repeat(4,1fr);gap:48px;counter-reset:e}
  .etape{border-top:1px solid var(--encre);padding-top:26px}
  .etape::before{counter-increment:e;content:counter(e);display:block;font-family:var(--serif);font-size:44px;line-height:1;color:var(--porte);margin-bottom:18px}

  /* ---------- contact sombre ---------- */
  .contact{background:var(--encre);color:#fff}
  .contact h2{color:#fff}
  .contact .intro{color:#C9D6E2}
  .contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:96px}
  .coords{display:grid;gap:18px;margin-top:8px}
  .coords div{border-top:1px solid #23415B;padding-top:14px}
  .coords small{display:block;font-size:13px;color:#8FA6BA}
  .coords strong{font-family:var(--serif);font-weight:500;font-size:26px}
  .form{display:grid;gap:26px;align-content:start}
  .field{border-bottom:1px solid #3A5A76;padding:10px 0;color:#7F9AB1;font-size:15px}
  .field.big{height:96px}
  .form .btn{justify-self:start;margin-top:10px}

  footer{background:#071827;color:#7F9AB1;font-size:14px;padding:56px 0}
  footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
  footer .brand b{color:#fff;font-size:20px}

  @media (prefers-reduced-motion:reduce){.btn{transition:none}}
  @media (max-width:900px){
    nav,.lang{display:none}
    .wrap{padding:0 22px}
    h1{font-size:46px}
    h2{font-size:36px}
    .hero{padding-top:40px}
    .hero .wrap,.cas,.contact .wrap,.confiance{grid-template-columns:1fr;gap:48px}
    .hero .arch{height:320px}
    .ctas{padding-bottom:0}
    .facts .wrap{grid-template-columns:1fr 1fr}
    .fact,.fact + .fact{padding:26px 0;border-left:0}
    .offres,.trois,.etapes{grid-template-columns:1fr;gap:0}
    .trois,.etapes{gap:44px}
    section{padding:84px 0}
  }

  /* =====================================================================
     Ajouts du site (hors croquis) : logo, menu, menu téléphone, formulaire,
     photos des arches, blocs communs
     ===================================================================== */
  .brand img{width:34px;height:34px;display:block}
  header nav{gap:34px}
  header nav a[aria-current="page"]{color:#fff;border-bottom:1px solid var(--ciel);padding-bottom:4px}
  .lang a{color:#8FA6BA}
  .lang a:hover{color:#fff}
  [id]{scroll-margin-top:24px}

  /* menu téléphone */
  .burger{display:none;font-family:var(--sans);font-size:13px;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:transparent;border:1px solid rgba(255,255,255,.35);padding:9px 14px;cursor:pointer}
  .burger:focus-visible{outline:2px solid var(--ciel);outline-offset:3px}
  .menu-mobile{position:fixed;inset:0;z-index:100;background:var(--encre);color:#fff;display:flex;flex-direction:column;padding:24px 22px 40px;overflow-y:auto}
  .menu-mobile[hidden]{display:none}
  .menu-mobile-haut{display:flex;justify-content:space-between;align-items:center;gap:16px}
  .menu-mobile-liens{display:flex;flex-direction:column;margin-top:36px}
  .menu-mobile-liens a{font-family:var(--serif);font-size:32px;line-height:1.2;padding:14px 0;border-bottom:1px solid #23415B}
  .menu-mobile-liens a[aria-current="page"]{color:var(--ciel)}
  .menu-mobile-langues{display:flex;gap:24px;margin-top:32px;font-size:17px;color:#8FA6BA}
  .menu-mobile-langues b{color:#fff;font-weight:400}
  body.menu-ouvert{overflow:hidden}
  @media (max-width:1080px){
    header nav,header .lang{display:none}
    .burger{display:inline-block}
  }

  /* formulaire */
  .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
  .field{display:block}
  .field.big{height:auto}
  .field input,.field textarea,.field select{display:block;width:100%;background:transparent;border:0;border-radius:0;color:#fff;font:inherit;font-size:15px;padding:0;outline:none}
  .field textarea{height:76px;resize:vertical}
  .field select{appearance:none;-webkit-appearance:none;cursor:pointer}
  .field select option{color:var(--texte);background:#fff}
  .field ::placeholder{color:#7F9AB1;opacity:1}
  .field:focus-within{border-bottom-color:var(--ciel)}
  .champ-titre{display:block;font-size:13px;color:#8FA6BA;margin-bottom:6px}
  .hp{position:absolute;width:1px;height:1px;margin:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);opacity:0;pointer-events:none}
  button.btn{cursor:pointer;line-height:inherit}
  button.btn:disabled{opacity:.6;cursor:wait}
  .form-message{font-size:15px;color:var(--ciel)}
  .form-message a{border-bottom:1px solid var(--ciel)}
  .coords a:hover{color:var(--ciel)}
  footer a.ml{border-bottom:1px solid #3A5A76}
  footer a.ml:hover{color:#fff}

  /* photos dans les arches */
  .arch.photo img{display:block;width:100%;height:100%;object-fit:cover}

  /* Gdena Exchange : panneau typographique en attendant la photo de façade ou de comptoir */
  .shot.panneau-ge,.arch.panneau-ge{background:var(--encre);border:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:28px}
  .panneau-ge b{display:block;font-family:var(--serif);font-weight:500;font-size:34px;line-height:1.1;color:#fff;margin:14px 0}
  .panneau-ge span{display:block;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--ciel)}

  /* éléments communs */
  .eyebrow{font-size:12px;letter-spacing:.24em;text-transform:uppercase;font-weight:400;color:var(--porte)}
  .fictif{display:block;margin-top:10px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#8592A0}
  .lien-suite{display:inline-block;margin-top:40px;font-size:15px;font-weight:400;color:var(--porte);border-bottom:1px solid var(--porte);padding-bottom:2px}

  /* accueil : bloc Solutions de gestion */
  .bloc-solutions .wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:72px;align-items:center}
  .bloc-solutions h2{margin-top:16px}
  .bloc-solutions .texte{margin-top:22px;max-width:500px}
  .bloc-solutions .lien-suite{margin-top:30px}
  @media (max-width:900px){
    .bloc-solutions .wrap{grid-template-columns:1fr;gap:44px}
  }