:root{
    --white:#FFFFFF; --paper-card:#F3F7FC; --ink:#10233F; --blue-deep:#0F2A4A;
    --blue:#1E4D8B; --line:#D7E1EC; --radius:2px;
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{background:var(--white);color:var(--ink);font-family:'Inter',sans-serif;min-height:100vh;}
  ::selection{background:var(--blue);color:#fff;}

  .hero{padding:40px clamp(20px,5vw,64px) 6px;}
  .hero h1{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(24px,3.4vw,34px);margin:0 0 6px;color:var(--blue-deep);}
  .hero p{font-family:'IBM Plex Mono',monospace;font-size:13px;color:#57677a;margin:0;letter-spacing:.02em;}

  .grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:26px;padding:28px clamp(20px,5vw,64px) 80px;}
  .card{background:var(--paper-card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .18s ease, box-shadow .18s ease;}
  .card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(15,42,74,.14);}
  .card:focus-visible{outline:2px solid var(--blue);outline-offset:2px;}
  .card-img{width:100%;aspect-ratio:4/3;background:#DCE6F2 center/cover no-repeat;display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;font-size:11px;color:#7d8ea3;}
  .card-body{padding:14px 16px 16px;border-top:1px solid var(--line);}
  .card-name{font-family:'Fraunces',serif;font-weight:600;font-size:17px;margin:0 0 4px;color:var(--blue-deep);}
  .card-meta{font-family:'IBM Plex Mono',monospace;font-size:12px;color:#57677a;}
  .empty-state{grid-column:1/-1;text-align:center;padding:60px 20px;color:#7d8ea3;font-family:'IBM Plex Mono',monospace;font-size:13px;}

  .overlay{position:fixed;inset:0;background:rgba(15,30,50,.55);display:none;align-items:center;justify-content:center;padding:24px;z-index:50;}
  .overlay.show{display:flex;}
  .modal{background:var(--white);max-width:820px;width:100%;max-height:90vh;overflow:auto;border-radius:var(--radius);display:grid;grid-template-columns:1.1fr 1fr;box-shadow:0 30px 60px rgba(15,30,50,.35);}
  @media (max-width:640px){ .modal{grid-template-columns:1fr;} }
  .modal-img-wrap{position:relative;width:100%;height:100%;min-height:260px;background:#DCE6F2;}
  .modal-img{width:100%;height:100%;min-height:260px;background:#DCE6F2 center/cover no-repeat;}
  .modal-img.empty{display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;font-size:12px;color:#7d8ea3;}
  .img-nav{position:absolute;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;border:none;background:rgba(15,42,74,.55);color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;}
  .img-nav:hover{background:rgba(15,42,74,.8);}
  .img-nav.prev{left:10px;}
  .img-nav.next{right:10px;}
  .img-dots{position:absolute;bottom:10px;left:0;right:0;display:flex;justify-content:center;gap:6px;}
  .img-dots span{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.6);cursor:pointer;}
  .img-dots span.active{background:#fff;}
  .modal-info{padding:32px 30px;position:relative;}
  .modal-close{position:absolute;top:14px;right:16px;background:none;border:none;font-size:20px;cursor:pointer;color:var(--ink);font-family:'IBM Plex Mono',monospace;}
  .modal-name{font-family:'Fraunces',serif;font-weight:600;font-size:26px;margin:0 0 6px;color:var(--blue-deep);}
  .modal-description{font-size:14px;line-height:1.6;color:#3a4a5c;margin:0 0 24px;white-space:pre-line;}
  .dim-label{font-family:'IBM Plex Mono',monospace;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin:0 0 10px;}
  .dim-line{width:100%;margin-bottom:18px;}
  .dim-row{display:flex;gap:10px;margin-bottom:4px;}
  .dim-box{flex:1;border:1px solid var(--blue);border-radius:var(--radius);padding:10px 8px;text-align:center;}
  .dim-box .val{font-family:'IBM Plex Mono',monospace;font-size:16px;font-weight:500;color:var(--ink);}
  .dim-box .tag{font-family:'IBM Plex Mono',monospace;font-size:10px;color:#7d8ea3;letter-spacing:.05em;}

/* ================= HEADER ================= */
.header{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  position:relative;
  padding:26px 24px;
  border-bottom:1px solid #e5e5e5;
}
.header__sitename{
  height:70px;
  position:absolute;
  left:50%;
  transform:translateX(-50%);
}
.header__sitename img{ height:100%; width:auto; }
.header__logo{
  /* EMPLACEMENT LOGO : remplace le contenu de .header__logo par ta balise <img> */
  width:120px; height:40px;
  display:flex; align-items:center; justify-content:center;
  background:#f2f2f2; color:#999; font-size:12px; border-radius:4px;
}
.header__contact{ font-size:15px; font-weight:600; }
.header__contact:hover{ color:var(--color-primary, var(--blue)); }

@media (max-width: 700px){
  .header{
    flex-direction:column;
    gap:8px;
    padding:14px 16px 12px;
  }
  .header__sitename{
    position:static;
    transform:none;
    height:44px;
  }
  .header__contact{
    font-size:13px;
  }
  .hero{
    padding:24px 20px 6px;
  }
  .grid{
    gap:16px;
    padding:20px 16px 60px;
  }
  .modal-info{
    padding:24px 20px;
  }
}

@media (max-width: 700px){
  .header{
    flex-direction:column;
    gap:8px;
    padding:14px 16px 12px;
  }
  .header__sitename{
    position:static;
    transform:none;
    height:30px;
  }
  .header__contact{
    font-size:13px;
  }
  .hero{
    padding:24px 20px 6px;
  }
  .grid{
    gap:16px;
    padding:20px 16px 60px;
  }
  .modal-info{
    padding:24px 20px;
  }
}