:root{
  --blue:#1f3763;
  --blue-dark:#10213f;
  --gold:#c59b55;
  --grey:#f4f5f7;
  --text:#222;
  --muted:#626b77;
  --white:#fff;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);line-height:1.6;background:#fff}.container{width:min(1120px,92%);margin:auto}.topbar{background:var(--blue-dark);color:#fff;font-size:14px}.topbar-inner{display:flex;justify-content:space-between;gap:16px;padding:9px 0}.topbar a,.footer a{color:#fff;text-decoration:none}.nav{position:sticky;top:0;z-index:5;background:#fff;box-shadow:0 8px 25px rgba(0,0,0,.08)}.nav-inner{display:flex;justify-content:space-between;align-items:center;padding:18px 0}.brand{text-decoration:none;color:var(--blue);font-weight:800;font-size:30px;letter-spacing:1px;line-height:1}.brand small{display:block;font-size:12px;color:var(--gold);letter-spacing:2px;text-transform:uppercase;margin-top:5px}.menu{display:flex;align-items:center;gap:24px}.menu a{color:var(--blue-dark);text-decoration:none;font-weight:700}.btn{display:inline-block;background:var(--gold);color:#fff!important;text-decoration:none;padding:13px 24px;border-radius:2px;font-weight:800;text-transform:uppercase;letter-spacing:.4px;border:2px solid var(--gold)}.btn.small{padding:9px 16px;font-size:13px}.btn.ghost{background:transparent;border-color:#fff}.hero{position:relative;min-height:590px;background:linear-gradient(135deg,#13284a 0%,#1f3763 48%,#c59b55 100%);display:flex;align-items:center;color:#fff;overflow:hidden}.hero:after{content:"";position:absolute;right:-150px;bottom:-180px;width:560px;height:560px;border:70px solid rgba(255,255,255,.09);border-radius:50%}.overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,33,63,.94),rgba(16,33,63,.55))}.hero-content{position:relative;z-index:1;max-width:780px;margin-left:calc((100% - min(1120px,92%))/2)}.kicker{margin:0 0 12px;text-transform:uppercase;letter-spacing:3px;color:var(--gold);font-weight:900;font-size:13px}.kicker.dark{color:var(--gold)}h1{font-size:clamp(42px,6vw,72px);line-height:1.02;margin:0 0 22px}h2{font-size:clamp(30px,4vw,46px);line-height:1.12;margin:0 0 20px;color:var(--blue-dark)}h3{margin:0 0 12px;color:var(--blue)}.lead{font-size:21px;max-width:720px;margin-bottom:30px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.section{padding:82px 0}.two-cols{display:grid;grid-template-columns:1fr 1.25fr;gap:55px;align-items:start}.grey{background:var(--grey)}.center{text-align:center}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:38px}.card{background:#fff;padding:30px;border-top:5px solid var(--gold);box-shadow:0 14px 35px rgba(16,33,63,.08);min-height:180px}.feature{display:grid;grid-template-columns:330px 1fr;gap:60px;align-items:center}.feature-box{background:var(--blue);color:#fff;min-height:330px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:20px 20px 0 var(--gold)}.feature-box span{font-size:110px;font-weight:900;line-height:1}.feature-box strong{text-transform:uppercase;letter-spacing:2px}.ticks{padding:0;list-style:none}.ticks li{padding:8px 0 8px 32px;position:relative}.ticks li:before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:900}.dark-section{background:var(--blue-dark);color:#fff}.dark-section h2{color:#fff}.narrow{max-width:760px;margin:0 auto}.contact-card{background:var(--blue);color:#fff;padding:34px;border-left:7px solid var(--gold)}.contact-card a{color:#fff}.footer{background:#0b162b;color:#fff}.footer-inner{display:flex;justify-content:space-between;gap:20px;padding:28px 0;font-size:14px}@media(max-width:850px){.topbar-inner,.nav-inner,.footer-inner{flex-direction:column;align-items:flex-start}.menu{flex-wrap:wrap;gap:14px}.hero-content{margin:auto}.two-cols,.feature{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.feature-box{min-height:240px}.section{padding:58px 0}}
.metiers-cards .metier-card{
  position:relative;
  overflow:hidden;
  min-height:260px;
  padding:0;
  border-top:0;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(180deg,rgba(16,33,63,.10),rgba(16,33,63,.92)),var(--bg);
  background-size:cover;
  background-position:center;
  color:#fff;
  transition:transform .25s ease, box-shadow .25s ease;
}
.metiers-cards .metier-card:before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(197,155,85,.22),rgba(16,33,63,.18));
  opacity:.75;
}
.metiers-cards .metier-card:hover{transform:translateY(-5px);box-shadow:0 20px 45px rgba(16,33,63,.18)}
.metiers-cards .metier-card>div{position:relative;z-index:1;padding:28px;}
.metiers-cards .metier-card h3{color:#fff;font-size:24px;margin-bottom:10px;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.metiers-cards .metier-card p{margin:0;color:rgba(255,255,255,.92);font-weight:600;text-shadow:0 2px 10px rgba(0,0,0,.35)}

/* Galerie Nos réalisations */
.realisations-section{background:#fff;}
.galerie-photos{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:42px;
}
.photo-item{
  position:relative;
  display:block;
  overflow:hidden;
  min-height:260px;
  border-radius:2px;
  box-shadow:0 16px 38px rgba(16,33,63,.12);
  text-decoration:none;
  background:var(--blue-dark);
}
.photo-item img{
  width:100%;
  height:300px;
  object-fit:cover;
  display:block;
  transition:transform .35s ease, opacity .35s ease;
}
.photo-item:after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(16,33,63,.05),rgba(16,33,63,.80));
}
.photo-item span{
  position:absolute;
  left:22px;
  right:22px;
  bottom:20px;
  z-index:1;
  color:#fff;
  font-weight:900;
  font-size:21px;
  text-transform:uppercase;
  letter-spacing:.5px;
  text-shadow:0 3px 14px rgba(0,0,0,.45);
}
.photo-item:hover img{transform:scale(1.07);opacity:.92;}
.lightbox{
  position:fixed;
  inset:0;
  z-index:50;
  background:rgba(8,16,31,.92);
  display:none;
  align-items:center;
  justify-content:center;
  padding:30px;
}
.lightbox.active{display:flex;}
.lightbox img{
  max-width:min(1100px,92vw);
  max-height:86vh;
  box-shadow:0 25px 70px rgba(0,0,0,.45);
  background:#fff;
}
.lightbox-close{
  position:absolute;
  top:24px;
  right:30px;
  border:0;
  background:var(--gold);
  color:#fff;
  width:46px;
  height:46px;
  border-radius:50%;
  font-size:34px;
  line-height:40px;
  cursor:pointer;
}
.logo-brand{
    display:flex;
    align-items:center;
}

.logo-brand img{
    height:70px;
    width:auto;
    display:block;
}

@media(max-width:850px){
    .logo-brand img{
        height:55px;
    }
}
@media(max-width:850px){.galerie-photos{grid-template-columns:1fr}.photo-item img{height:250px}}
.galerie-loading,.galerie-empty{grid-column:1/-1;color:var(--muted);font-weight:700;text-align:center;background:#fff;padding:28px;box-shadow:0 10px 28px rgba(16,33,63,.08)}
.photo-item span small{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.86);letter-spacing:1px;text-transform:none;font-weight:700}

/* ===========================
   Contact / Devis moderne
   Ajout pour la nouvelle section contact
   =========================== */
.contact-modern{
  background:linear-gradient(180deg,#fff 0%,var(--grey) 100%);
}
.contact-header{
  text-align:center;
  margin-bottom:42px;
}
.section-eyebrow{
  display:inline-block;
  color:var(--gold);
  text-transform:uppercase;
  letter-spacing:3px;
  font-size:13px;
  font-weight:900;
  margin-bottom:10px;
}
.contact-modern .section-title{
  margin:0;
  color:var(--blue-dark);
}
.contact-modern .section-title em,
.contact-form h3 em{
  color:var(--gold);
  font-style:normal;
}
.contact-grid{
  display:grid;
  grid-template-columns:.9fr 1.35fr;
  gap:34px;
  align-items:start;
}
.contact-info,
.contact-form{
  background:#fff;
  box-shadow:0 18px 45px rgba(16,33,63,.10);
}
.contact-info{
  padding:34px;
  border-left:7px solid var(--gold);
}
.contact-info-label{
  margin:0 0 22px;
  color:var(--blue-dark);
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:1.2px;
}
.contact-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:17px 0;
  border-bottom:1px solid rgba(16,33,63,.10);
}
.contact-item:last-child{border-bottom:0;padding-bottom:0}
.contact-ico{
  width:44px;
  height:44px;
  min-width:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--blue);
  color:#fff;
  box-shadow:0 8px 18px rgba(16,33,63,.15);
}
.contact-item strong{
  display:block;
  color:var(--blue-dark);
  margin-bottom:3px;
}
.contact-item span,
.contact-item a{
  color:var(--muted);
  text-decoration:none;
  font-weight:700;
}
.contact-item a:hover{color:var(--gold)}
.contact-form{
  padding:36px;
  border-top:7px solid var(--gold);
}
.contact-form h3{
  font-size:30px;
  margin-bottom:24px;
  color:var(--blue-dark);
}
.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.form-group{margin-bottom:18px}
.form-group label{
  display:block;
  margin-bottom:7px;
  color:var(--blue-dark);
  font-weight:900;
  font-size:14px;
}
.form-group input,
.form-group select,
.form-group textarea{
  width:100%;
  border:1px solid rgba(16,33,63,.18);
  background:#fff;
  color:var(--text);
  padding:14px 15px;
  border-radius:2px;
  font-family:Arial,Helvetica,sans-serif;
  font-size:15px;
  outline:none;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-group textarea{
  min-height:135px;
  resize:vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(197,155,85,.18);
}
.form-submit{
  width:100%;
  border-radius:2px;
  cursor:pointer;
  font-size:15px;
}

.form-success,
.form-error{
  display:none;
  max-width:700px;
  margin:28px auto 0;
  padding:36px 34px;
  border-radius:12px;
  text-align:center;
  animation:contactFadeUp .5s ease;
}
.form-success{
  background:#edf9ef;
  border:2px solid #3aa55d;
  color:#1f6b35;
}
.form-success h3{
  color:#228B22;
  margin:0 0 18px;
  font-size:28px;
}
.form-success p{
  margin:12px 0;
  line-height:1.7;
  font-size:17px;
  font-weight:700;
}
.form-error{
  background:#fff1f1;
  border:2px solid #c0392b;
  color:#8a1f16;
  font-weight:800;
}
.form-success.is-visible,
.form-error.is-visible{display:block}
.reveal{animation:contactFadeUp .55s ease both}
.reveal-delay-2{animation-delay:.12s}
@keyframes contactFadeUp{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:translateY(0)}
}
@media(max-width:850px){
  .contact-grid,.form-row{grid-template-columns:1fr}
  .contact-info,.contact-form{padding:26px}
  .contact-modern .section-title{font-size:34px}
}

/* ===========================
   Qui sommes-nous / Groupe P.O.B
   =========================== */
.qui-sommes-nous .qsn-cols{
  margin-top:44px;
  grid-template-columns:1.25fr 1fr;
}
.qui-sommes-nous h3{
  font-size:24px;
  color:var(--blue-dark);
  margin-bottom:14px;
  padding-bottom:10px;
  border-bottom:3px solid var(--gold);
  display:inline-block;
}
.group-title{
  margin-top:64px;
  margin-bottom:6px;
}
.group-logos{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:30px;
}
.group-logo{
  background:#fff;
  text-decoration:none;
  text-align:center;
  padding:30px 22px 26px;
  border-top:5px solid var(--gold);
  box-shadow:0 14px 35px rgba(16,33,63,.08);
  transition:transform .25s ease, box-shadow .25s ease;
}
.group-logo:hover{
  transform:translateY(-5px);
  box-shadow:0 20px 45px rgba(16,33,63,.18);
}
.group-logo img{
  height:74px;
  width:auto;
  max-width:100%;
  object-fit:contain;
  display:block;
  margin:0 auto 16px;
}
.group-logo span{
  display:block;
  color:var(--blue-dark);
  font-weight:900;
  font-size:17px;
  text-transform:uppercase;
  letter-spacing:.5px;
}
.group-logo small{
  display:block;
  margin-top:6px;
  color:var(--muted);
  font-weight:700;
  font-size:13px;
  line-height:1.45;
}
@media(max-width:1000px){
  .group-logos{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:850px){
  .qui-sommes-nous .qsn-cols{grid-template-columns:1fr}
}
@media(max-width:560px){
  .group-logos{grid-template-columns:1fr}
}

/* ===========================
   Photos toujours affichées en horizontal
   =========================== */
.photo-item{aspect-ratio:3/2;min-height:0;}
.photo-item img{height:100%;aspect-ratio:3/2;}
.lightbox img{
  aspect-ratio:3/2;
  width:min(1100px,92vw);
  max-height:86vh;
  object-fit:cover;
  background:#10213f;
}
@media(max-width:850px){.photo-item img{height:100%}}