:root{
  --blue:   #1a5fb4;
  --blue2:  #2878d4;
  --blue3:  #5aa0e8;
  --dark:   #0a1628;
  --dark2:  #102040;
  --white:  #ffffff;
  --cream:  #f4f7fb;
  --gray:   #677080;
  --light:  #edf2f8;
  --border: rgba(26,95,180,.13);
  --font:   'Montserrat', sans-serif;
  --font2:  'Raleway', sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--white);color:var(--dark);overflow-x:hidden}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--dark)}
::-webkit-scrollbar-thumb{background:var(--blue2)}

/* HEADER */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:260px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 5vw;
  transition:height .5s cubic-bezier(.4,0,.2,1),background .4s,box-shadow .4s;
}
header.scrolled{
  height:78px;
  background:rgba(10,22,40,.95);
  backdrop-filter:blur(16px);
  box-shadow:0 2px 24px rgba(0,0,0,.3);
}
.hlogo{text-decoration:none;display:flex;align-items:center}
.hlogo img{
  height:200px;
  transition:height .5s cubic-bezier(.4,0,.2,1);
}
header.scrolled .hlogo img{height:58px}
.hnav{display:flex;align-items:center;gap:2.5rem}
.hnav a{
  font-size:.65rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(255,255,255,.75);text-decoration:none;transition:color .2s;
}
.hnav a:hover{color:var(--blue3)}
.hnav .ncta{
  background:var(--blue);color:var(--white)!important;
  padding:.5rem 1.3rem;border-radius:3px;
  display:flex;align-items:center;gap:.4rem;
  transition:background .2s!important;
}
.hnav .ncta:hover{background:var(--blue2)!important}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:.5rem}
.burger span{display:block;width:24px;height:1.5px;background:var(--white);transition:.3s}
.mnav{
  display:none;position:fixed;inset:0;background:var(--dark);z-index:99;
  flex-direction:column;align-items:center;justify-content:center;gap:2.2rem;
}
.mnav.open{display:flex}
.mnav a{
  font-size:1.1rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--white);text-decoration:none;transition:color .2s;
}
.mnav a:hover{color:var(--blue3)}


/* CAROUSEL */
.hero-carousel {
  position:absolute;
  top:200px; left:0; right:0;
  height:80vh;
}
.hc-slide {
  position:absolute; inset:0;
  opacity:0; transition:opacity 1.0s ease;
  background:#0a1628;
  z-index:0;
}
.hc-slide.active { opacity:1; z-index:1; }
.hc-slide.outgoing { opacity:1; z-index:0; }
.hc-zoom {
  position:absolute;
  top:0; bottom:0;
  left:33%; right:0;
  background-size:cover;
  background-repeat:no-repeat;
  background-position:center center;
}
.hc-gradient {
  display:none;
}
.hero-carousel::after {
  content:'';
  position:absolute; inset:0; z-index:2; pointer-events:none;
  background:
    linear-gradient(to top,    #0a1628 0%, transparent 10%),
    linear-gradient(to bottom, #0a1628 0%, transparent 10%),
    linear-gradient(to right,  #0a1628 33%, rgba(10,22,40,.4) 42%, transparent 52%);
}
.hero-carousel-nav {
  position:absolute; top:calc(200px + 80vh + 1rem); bottom:auto; left:auto; right:5vw; z-index:3;
  display:flex; align-items:center; gap:1rem;
}
.hc-dots { display:flex; gap:6px; align-items:center; }
.hc-dot {
  width:20px; height:2px; background:rgba(255,255,255,0.3);
  cursor:pointer; transition:all .3s; border:none; padding:0;
}
.hc-dot.active { width:36px; background:var(--blue3); }
.hc-prev, .hc-next {
  background:none; border:none; color:rgba(255,255,255,0.4);
  font-size:.9rem; cursor:pointer; padding:.2rem .4rem; transition:color .2s;
}
.hc-prev:hover, .hc-next:hover { color:var(--blue3); }

/* HERO */
.hero{min-height:calc(200px + 80vh + 6rem);position:relative;display:flex;align-items:flex-start;overflow:hidden;background:#0a1628;padding-bottom:4rem}
.hov{ display:none; }
.hcontent{position:relative;z-index:4;padding:0 5vw;padding-top:200px;max-width:700px}
.htag{
  display:inline-flex;align-items:center;gap:.7rem;
  font-size:.58rem;font-weight:700;letter-spacing:.38em;text-transform:uppercase;
  color:var(--blue3);margin-bottom:1.5rem;
}
.htag::before{content:'';display:block;width:30px;height:2px;background:var(--blue3)}
.hero h1{
  font-family:var(--font2);font-size:clamp(2.5rem,5.5vw,4.5rem);
  font-weight:700;color:var(--white);line-height:1.1;margin-bottom:1.2rem;
}
.hero h1 em{color:var(--blue3);font-style:normal}
.hsub{
  font-size:.97rem;font-weight:300;color:rgba(255,255,255,.75);
  line-height:1.85;max-width:500px;margin-bottom:2.5rem;
}
.hbtns{display:flex;gap:1rem;flex-wrap:wrap}
.btnb{
  background:var(--blue);color:var(--white);
  padding:.9rem 2rem;border-radius:3px;
  font-size:.66rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;
  text-decoration:none;border:none;cursor:pointer;
  transition:all .2s;display:inline-flex;align-items:center;gap:.5rem;
}
.btnb:hover{background:var(--blue2);transform:translateY(-2px);box-shadow:0 8px 24px rgba(26,95,180,.35)}
.btnow{
  background:none;color:var(--white);border:1.5px solid rgba(255,255,255,.35);
  padding:.9rem 2rem;border-radius:3px;
  font-size:.66rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;
  text-decoration:none;transition:all .2s;display:inline-flex;align-items:center;gap:.5rem;
}
.btnow:hover{border-color:var(--blue3);color:var(--blue3)}
.hstats{
  display:flex;gap:3rem;margin-top:3.5rem;
  padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);flex-wrap:wrap;
}
.stat strong{
  font-family:var(--font2);font-size:2.2rem;font-weight:700;
  color:var(--white);display:block;line-height:1;
}
.stat strong em{color:var(--blue3);font-style:normal}
.stat span{
  font-size:.56rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:rgba(255,255,255,.45);margin-top:.3rem;display:block;
}

/* SECTIONS */
section{padding:6rem 5vw}
.slabel{
  font-size:.58rem;font-weight:700;letter-spacing:.35em;text-transform:uppercase;
  color:var(--blue2);display:flex;align-items:center;gap:.7rem;margin-bottom:.8rem;
}
.slabel::before{content:'';display:block;width:28px;height:2px;background:var(--blue2)}
.stitle{
  font-family:var(--font2);font-size:clamp(1.8rem,3.5vw,2.7rem);
  font-weight:700;color:var(--dark);line-height:1.2;margin-bottom:1rem;
}
.stitle--w{color:var(--white)}
.ssub{font-size:.93rem;font-weight:300;color:var(--gray);line-height:1.85;max-width:540px}
.ssub--w{color:rgba(255,255,255,.6)}

/* SERVICES */
.services{background:var(--cream)}
.sgrid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:2px;background:var(--border);margin-top:4rem;
}
.scard{
  background:var(--white);padding:2.5rem 2rem;
  position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s;
}
.scard::after{
  content:'';position:absolute;left:0;bottom:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--blue3));
  transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.scard:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(26,95,180,.1)}
.scard:hover::after{transform:scaleX(1)}
.snum{
  font-family:var(--font2);font-size:3.5rem;font-weight:700;
  color:rgba(26,95,180,.07);line-height:1;
  position:absolute;top:1.2rem;right:1.5rem;
}
.sicon{
  width:46px;height:46px;background:var(--blue);border-radius:4px;
  display:flex;align-items:center;justify-content:center;margin-bottom:1.2rem;
}
.sicon svg{width:24px;height:24px;stroke:var(--white);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.scard h3{font-family:var(--font2);font-size:1.1rem;font-weight:700;color:var(--dark);margin-bottom:.8rem}
.scard p{font-size:.86rem;font-weight:300;color:var(--gray);line-height:1.7}

/* ABOUT */
.about{background:var(--white)}
.ainner{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center;margin-top:4rem}
.aimgs{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:relative}
.aimg{border-radius:3px;overflow:hidden}
.aimg img{width:100%;height:auto;object-fit:contain;display:block;transition:transform .5s}
.aimg:hover img{transform:scale(1.04)}
.aimg:first-child{grid-column:span 2;height:250px}
.aimg:not(:first-child){height:180px}
.abadge{
  position:absolute;bottom:-1.5rem;right:-1.5rem;
  background:var(--blue);color:var(--white);
  padding:1.2rem 1.5rem;border-radius:3px;text-align:center;
  box-shadow:0 8px 24px rgba(26,95,180,.3);
}
.abadge strong{font-family:var(--font2);font-size:2rem;font-weight:700;display:block;line-height:1}
.abadge span{font-size:.55rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;opacity:.8}
.avals{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-top:1.8rem}
.aval{padding:.9rem;background:var(--cream);border-radius:3px;border-left:3px solid var(--blue)}
.aval strong{display:block;font-size:.78rem;font-weight:700;color:var(--blue);margin-bottom:.2rem}
.aval span{font-size:.76rem;color:var(--gray);font-weight:300}
.aphones{display:flex;gap:1.5rem;margin-top:2rem;flex-wrap:wrap}
.aphone{
  display:flex;align-items:center;gap:.6rem;
  font-size:.95rem;font-weight:600;color:var(--dark);text-decoration:none;transition:color .2s;
}
.aphone:hover{color:var(--blue2)}
.aphone svg{width:16px;height:16px;stroke:var(--blue);fill:none;stroke-width:2}

/* REALISATIONS */
.realisations{background:var(--dark)}
.rgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:4rem}
.ritem{position:relative;overflow:hidden;cursor:pointer;border-radius:2px}
.ritem:nth-child(1){grid-column:span 2;aspect-ratio:16/9}
.ritem:nth-child(2){aspect-ratio:9/10}
.ritem:nth-child(3){aspect-ratio:4/3}
.ritem:nth-child(4){aspect-ratio:4/3}
.ritem:nth-child(5){grid-column:span 2;aspect-ratio:16/7}
.ritem:nth-child(6){aspect-ratio:4/3}
.ritem img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s}
.ritem:hover img{transform:scale(1.06)}
.rov{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,22,40,.9) 0%,transparent 55%);
  opacity:0;transition:opacity .3s;
}
.ritem:hover .rov{opacity:1}
.rinfo{
  position:absolute;bottom:0;left:0;right:0;padding:1.2rem 1.5rem;
  transform:translateY(8px);opacity:0;transition:all .3s;
}
.ritem:hover .rinfo{transform:translateY(0);opacity:1}
.rinfo h4{font-family:var(--font2);font-size:1rem;font-weight:700;color:var(--white);margin-bottom:.2rem}
.rinfo span{font-size:.58rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--blue3)}

/* CHIFFRES */
.chiffres{
  background:linear-gradient(135deg,var(--blue) 0%,var(--dark2) 100%);
  padding:5rem 5vw;
}
.cgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center}
.chif strong{
  font-family:var(--font2);font-size:clamp(2.5rem,4vw,4rem);font-weight:700;
  color:var(--white);display:block;line-height:1;
}
.chif strong em{color:var(--blue3);font-style:normal}
.chif span{
  font-size:.58rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:rgba(255,255,255,.45);margin-top:.5rem;display:block;
}

/* PARTENAIRES */
.partenaires{background:var(--white);padding:4rem 5vw}
.pinner{display:flex;align-items:center;justify-content:center;gap:5rem;flex-wrap:wrap;margin-top:3rem}
.pitem{opacity:.55;transition:opacity .3s;filter:grayscale(30%)}
.pitem:hover{opacity:1;filter:grayscale(0)}
.pitem img{max-height:55px;max-width:180px;object-fit:contain}

/* CONTACT */
.contact{background:var(--cream)}
.cinner{display:grid;grid-template-columns:1fr 1.3fr;gap:5rem;margin-top:4rem;align-items:start}
.cinfo{display:flex;flex-direction:column;gap:1.8rem}
.citem{display:flex;align-items:flex-start;gap:1rem}
.cicon{
  width:42px;height:42px;background:var(--blue);border-radius:3px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
}
.cicon svg{width:18px;height:18px;stroke:var(--white);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.citem h4{font-size:.58rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gray);margin-bottom:.3rem}
.citem p,.citem a{font-size:.93rem;font-weight:600;color:var(--dark);text-decoration:none;transition:color .2s}
.citem a:hover{color:var(--blue2)}
.urgbox{background:var(--dark);padding:1.4rem;border-radius:3px;border-left:4px solid var(--blue2)}
.urgbox h4{font-size:.58rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--blue3);margin-bottom:.5rem}
.urgbox p{font-size:.83rem;font-weight:300;color:rgba(255,255,255,.6);line-height:1.6}
.cform{display:flex;flex-direction:column;gap:1.1rem}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.fg{display:flex;flex-direction:column;gap:.35rem}
.fg label{font-size:.56rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gray)}
.fg input,.fg select,.fg textarea{
  background:var(--white);border:1.5px solid var(--border);
  color:var(--dark);padding:.8rem 1rem;font-family:var(--font);font-size:.88rem;
  border-radius:3px;outline:none;transition:border-color .2s;
}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--blue)}
.fg textarea{resize:vertical;min-height:110px}

/* FOOTER */
footer{background:var(--dark);padding:3rem 5vw 1.5rem;border-top:1px solid rgba(255,255,255,.06)}
.ftop{
  display:flex;justify-content:space-between;align-items:flex-start;
  gap:3rem;flex-wrap:wrap;margin-bottom:2.5rem;padding-bottom:2.5rem;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.flogo img{height:65px}
.flogo p{font-size:.8rem;font-weight:300;color:rgba(255,255,255,.4);margin-top:.8rem;max-width:220px;line-height:1.6}
.fcol h4{font-size:.56rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--blue3);margin-bottom:1rem}
.fcol ul{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.fcol a{font-size:.8rem;font-weight:300;color:rgba(255,255,255,.4);text-decoration:none;transition:color .2s}
.fcol a:hover{color:var(--white)}
.fbot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.fbot p{font-size:.7rem;color:rgba(255,255,255,.22)}

/* REVEAL */
.rev{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rev.in{opacity:1;transform:translateY(0)}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* TOAST */
#toast{
  position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(80px);
  background:var(--blue);color:var(--white);padding:.9rem 2rem;border-radius:3px;
  font-size:.85rem;z-index:500;opacity:0;transition:all .3s;pointer-events:none;white-space:nowrap;
}

/* RESPONSIVE */
@media(max-width:960px){
  .ainner{grid-template-columns:1fr;gap:3rem}
  .aimgs{display:none}
  .cinner{grid-template-columns:1fr;gap:3rem}
  .rgrid{grid-template-columns:1fr 1fr}
  .ritem:nth-child(1),.ritem:nth-child(5){grid-column:span 2}
  .ritem:nth-child(6){grid-column:span 2;aspect-ratio:16/7}
  .cgrid{grid-template-columns:1fr 1fr;gap:2.5rem}
}
@media(max-width:640px){
  .hnav{display:none}
  .burger{display:flex}
  header{height:120px;background:#0a1628}
  header.scrolled{height:64px;background:#0a1628}
  .hlogo img{height:90px}
  header.scrolled .hlogo img{height:48px}
  .hero{flex-direction:column;align-items:stretch;min-height:auto}
  .hero-carousel{position:relative;inset:auto;width:100%;height:280px;margin-top:40px;background:#fff}
  .hero-carousel::after{display:none}
  .hc-zoom{left:0;right:0;background-size:cover}
  .hero-carousel-nav{position:relative;bottom:auto;left:auto;transform:none;justify-content:center;padding:.3rem 0}
  .hcontent{padding-top:.5rem;padding-bottom:2.5rem;max-width:none;width:100%;box-sizing:border-box}
  .hero h1{font-size:2.2rem}
  .rgrid{grid-template-columns:1fr}
  .ritem{grid-column:span 1 !important;aspect-ratio:4/3 !important}
  .cgrid{grid-template-columns:1fr 1fr}
  .frow{grid-template-columns:1fr}
  .avals{grid-template-columns:1fr}
  .pinner{gap:2.5rem}
}

/* RÉALISATIONS GALLERY */
.real-filters {
  display:flex; gap:.6rem; flex-wrap:wrap; margin-top:2.5rem;
}
.rfbtn {
  background:none; border:1px solid rgba(255,255,255,.2);
  color:rgba(255,255,255,.55); padding:.4rem 1.1rem; border-radius:2px;
  font-family:var(--font); font-size:.62rem; font-weight:600;
  letter-spacing:.15em; text-transform:uppercase; cursor:pointer;
  transition:all .25s;
}
.rfbtn:hover { border-color:var(--blue3); color:var(--blue3); }
.rfbtn.active { background:var(--blue); border-color:var(--blue); color:var(--white); }
.real-gallery {
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:6px; margin-top:1.5rem;
}
.rg-item {
  position:relative; overflow:hidden; border-radius:2px;
  aspect-ratio:4/3; cursor:pointer;
  transition:opacity .4s, transform .4s;
}
.rg-item.hidden { opacity:0; pointer-events:none; transform:scale(.95); }
.rg-item img {
  width:100%; height:100%; object-fit:cover; display:block;
  transition:transform .6s;
}
.rg-item:hover img { transform:scale(1.07); }
.rg-caption { display:none !important; }
.rg-play-btn { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:48px; height:48px; background:rgba(10,22,40,.75); border-radius:50%; display:flex; align-items:center; justify-content:center; color:#fff; font-size:18px; pointer-events:none; }
.rg-ov {
  position:absolute; inset:0;
  background:linear-gradient(to top, rgba(10,22,40,.85) 0%, transparent 55%);
  opacity:0; transition:opacity .3s;
}
.rg-item:hover .rg-ov { opacity:0; }
.rg-info { display:none !important; }
.rg-info {
  position:absolute; bottom:0; left:0; right:0; padding:.8rem 1rem;
  transform:translateY(6px); opacity:0; transition:all .3s;
  display:none !important; }
.rg-item:hover .rg-info { transform:translateY(0); opacity:1;   display:none !important; }
.rg-info span {
  font-family:var(--font2); font-size:.82rem; font-weight:700;
  color:var(--white); display:block;
}
.rg-info small {
  font-size:.55rem; font-weight:700; letter-spacing:.15em; text-transform:uppercase;
  color:var(--blue3);
}
/* Lightbox */
.real-lb {
  display:none; position:fixed; inset:0; z-index:200;
  background:rgba(10,22,40,.97);
  align-items:center; justify-content:center;
}
.real-lb.open { display:flex; }
.real-lb-img-wrap {
  position:relative; max-width:90vw; max-height:90vh;
  display:flex; flex-direction:column; align-items:center;
}
.real-lb-img-wrap img {
  max-width:90vw; max-height:80vh; object-fit:contain; border-radius:2px;
}
.real-lb-caption {
  margin-top:.8rem; font-size:.82rem; font-weight:500;
  color:rgba(255,255,255,.65); text-align:center;
}
.real-lb-close {
  position:absolute; top:1.5rem; right:1.5rem;
  background:none; border:1px solid rgba(255,255,255,.2);
  color:var(--white); width:36px; height:36px; border-radius:2px;
  font-size:1rem; cursor:pointer; transition:all .2s; z-index:201;
}
.real-lb-close:hover { border-color:var(--blue3); color:var(--blue3); }
.real-lb-prev, .real-lb-next {
  position:absolute; top:50%; transform:translateY(-50%);
  background:none; border:none; color:rgba(255,255,255,.5);
  font-size:2rem; cursor:pointer; transition:color .2s; z-index:201;
  padding:.5rem 1rem;
}
.real-lb-prev { left:1rem; }
.real-lb-next { right:1rem; }
.real-lb-prev:hover, .real-lb-next:hover { color:var(--blue3); }

@media(max-width:960px){ .real-gallery { grid-template-columns:repeat(3,1fr); } }
@media(max-width:640px){ .real-gallery { grid-template-columns:repeat(2,1fr); } }