:root{
  --navy:#082d45;
  --navy-2:#0a3850;
  --teal:#078a8f;
  --teal-deep:#006a72;
  --sage:#8da58c;
  --lime:#c7d82f;
  --cream:#f7f4ee;
  --text:#10253b;
  --muted:#5d6c78;
  --line:#dfe5e6;
  --white:#fff;
  --max:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.45}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),calc(100% - 64px));margin:auto}
.site-header{background:#fff;border-bottom:1px solid #edf0f1;position:sticky;top:0;z-index:50}
.header-inner{height:92px;display:grid;grid-template-columns:230px 1fr auto;align-items:center;gap:28px}
.brand img{
  width:205px;
  height:auto;
  max-height:72px;
  object-fit:contain;
  object-position:left center
}
.main-nav{display:flex;justify-content:center;gap:42px;font-size:13px;font-weight:700;text-transform:uppercase}
.main-nav a{padding:34px 0 28px;position:relative}
.main-nav a.active::after,.main-nav a:hover::after{content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;background:var(--teal)}
.menu-toggle{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;border-radius:4px;padding:14px 20px;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.02em;transition:.2s ease}
.btn:hover{transform:translateY(-1px)}
.btn-navy{background:var(--navy);color:white}
.btn-teal{background:linear-gradient(90deg,var(--teal-deep),var(--teal));color:white}
.btn-outline{border:1px solid #7e8d98;background:#fff;color:var(--navy)}
.btn-ghost{border:1px solid rgba(255,255,255,.65);color:white;padding:10px 18px}
.eyebrow{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;margin:0 0 10px}
.eyebrow.teal{color:var(--teal-deep)}
.eyebrow.light{color:#d7f0ee}
.hero{position:relative;overflow:hidden;background:#fff}
.hero-grid{display:grid;grid-template-columns:41% 59%;min-height:550px}
.hero-copy{padding:72px 44px 58px 44px;position:relative;z-index:2}
.hero h1{font-size:48px;line-height:1.06;margin:0 0 26px;color:var(--navy);letter-spacing:-.025em}
.hero h1 span{color:var(--teal)}
.lead{font-size:17px;line-height:1.58;max-width:610px}
.button-row{display:flex;gap:18px;margin-top:34px;flex-wrap:wrap}
.hero-photo{position:relative;overflow:hidden}
.hero-photo::before{content:"";position:absolute;inset:0 auto 0 0;width:170px;background:linear-gradient(90deg,#fff 0,rgba(255,255,255,.92) 32%,rgba(255,255,255,0) 100%);z-index:1}
.hero-photo img{width:100%;height:100%;object-fit:cover}

.section{padding:74px 0}
.split{display:grid;grid-template-columns:42% 58%;gap:60px;align-items:center}
.copy h2,.usage h2,.refs h2{font-size:34px;line-height:1.13;color:var(--navy);margin:0 0 22px}
.copy p{font-size:15px;margin:0 0 14px}
.mosaic-wrap{position:relative;padding-right:0}
.mosaic{display:grid;grid-template-columns:1.08fr .92fr;grid-template-rows:1fr 1fr;gap:12px;height:360px}
.mosaic img{width:100%;height:100%;object-fit:cover;border-radius:2px}
.mosaic-main{grid-row:1/3}


.expertise-band{background:linear-gradient(100deg,#006b73,#078c91);color:white;padding:42px 0 28px}
.expertise-band h2{font-size:31px;margin:0 0 6px}
.expertise-band .intro{max-width:670px;margin:0 0 28px;color:#e7f5f4;font-size:14px}
.expertise-grid{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid rgba(255,255,255,.22)}
.expertise-grid article{padding:24px 19px 8px;text-align:center;border-right:1px solid rgba(255,255,255,.33)}
.expertise-grid article:last-child{border-right:0}
.expertise-grid h3{font-size:14px;line-height:1.35;text-transform:uppercase;margin:10px 0 13px}
.expertise-grid p{font-size:12px;line-height:1.45;color:#e8f5f3}
.icon{height:54px;width:64px;margin:auto;position:relative;color:white}
.icon::before,.icon::after{content:"";position:absolute}
.icon-building::before{left:13px;top:13px;width:35px;height:30px;border:2px solid currentColor;border-top:0}
.icon-building::after{left:10px;top:8px;width:35px;height:35px;border-left:2px solid currentColor;border-top:2px solid currentColor;transform:rotate(45deg) scale(.65)}
.icon-waves{background:repeating-linear-gradient(to bottom,transparent 0 8px,currentColor 9px 11px,transparent 12px 18px);border-radius:50%}
.icon-chart::before{left:12px;bottom:7px;width:8px;height:18px;border:2px solid currentColor;box-shadow:14px -8px 0 -2px transparent,14px -8px 0 0 currentColor,28px -19px 0 -2px transparent,28px -19px 0 0 currentColor}
.icon-geo::before{left:8px;top:10px;width:48px;height:33px;border:2px solid currentColor;border-radius:50%}
.icon-geo::after{left:20px;top:18px;width:24px;height:30px;border-left:3px solid currentColor;border-right:3px solid currentColor;border-radius:50%}
.icon-leaf::before{left:15px;top:8px;width:34px;height:40px;border:2px solid currentColor;border-radius:70% 0 70% 0;transform:rotate(-18deg)}
.icon-target::before{left:12px;top:6px;width:38px;height:38px;border:2px solid currentColor;border-radius:50%;box-shadow:inset 0 0 0 8px transparent}
.icon-target::after{left:29px;top:4px;width:2px;height:43px;background:currentColor;transform:rotate(45deg)}
.center{text-align:center;margin-top:18px}
.usage{padding:18px 0 0}
.usage-grid{display:grid;grid-template-columns:35% 65%;align-items:stretch;min-height:360px}
.usage-photo img{width:100%;height:100%;object-fit:cover}
.usage-copy{padding:58px 54px 44px 54px;position:relative}
.usage-copy p{font-size:14px;margin:0 0 12px}
.keyline{font-size:24px!important;font-weight:800;color:var(--teal)!important;margin-top:16px!important}

.method{background:var(--cream);padding:44px 0 36px;position:relative;overflow:hidden}
.method h2{font-size:30px;margin:2px 0 32px}
.center-text{text-align:center}
.method-grid{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:26px;align-items:start}
.step{text-align:center}
.number{width:52px;height:52px;border-radius:50%;background:var(--teal);color:white;display:grid;place-items:center;font-size:16px;font-weight:800;margin:0 auto 10px}
.step h3{font-size:13px;text-transform:uppercase;margin:0 0 10px}
.step p{font-size:12px;margin:0 auto;max-width:220px}
.arrow{font-size:34px;color:var(--teal);padding-top:10px}
.signature{font-weight:800;color:var(--teal);font-size:18px;margin:25px 0 0}
.stats-band{background:linear-gradient(105deg,#062c47,#003f58 58%,#015760);color:white;position:relative;overflow:hidden}

.stats-grid{min-height:230px;padding:30px 0;display:grid;grid-template-columns:1fr 1fr 1fr 1.45fr;align-items:center}
.stat{padding:4px 32px;text-align:center;border-right:1px solid rgba(255,255,255,.34)}
.stat:last-child{border-right:0}
.stat strong{display:block;color:var(--lime);font-size:34px;line-height:1.05;margin:6px 0 8px}
.stat span{display:block;font-size:12px;line-height:1.4}
.stat-icon{font-size:33px;line-height:1}
.territory strong{font-size:23px}
.france-mini{width:52px;height:52px;margin:auto;border:2px solid white;border-radius:45% 55% 40% 60%;display:grid;place-items:center;font-size:12px}
.refs{padding:56px 0}
.refs-layout{display:grid;grid-template-columns:250px 1fr;gap:28px}
.refs-intro h2{font-size:29px;margin-bottom:26px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.project-card{border:1px solid #dce2e4;background:#fff;min-width:0}
.project-card img{width:100%;aspect-ratio:4/2.3;object-fit:cover}
.project-body{padding:14px}
.project-body h3{font-size:14px;margin:0 0 6px;line-height:1.2}
.project-body .meta{font-size:11px;font-weight:700;margin:0 0 8px}
.project-body p{font-size:11px;line-height:1.45;margin:0}
.cta-final{background:linear-gradient(90deg,#052f49 0,#063f54 54%,#075d65 100%);color:white;position:relative;overflow:hidden}
.cta-grid{min-height:245px;display:grid;grid-template-columns:1.7fr .75fr .8fr;align-items:center;gap:35px;position:relative}
.cta-grid h2{font-size:30px;margin:0 0 12px}
.cta-grid p{font-size:13px;max-width:650px;margin:0 0 8px}
.cta-button{z-index:2}
.cta-img{width:100%;height:245px;object-fit:cover;opacity:.75}

.footer{background:#05283f;color:white;padding:34px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr .85fr;gap:30px;font-size:12px}
.footer h3{font-size:11px;text-transform:uppercase;margin:0 0 8px}
.footer p{margin:0 0 9px;line-height:1.5}
.footer a{color:white}
.footer-brand img{
  width:190px;
  height:auto;
  max-height:72px;
  object-fit:contain;
  object-position:left center;
  filter:none
}
.footer-brand p{color:#8ed2cf}
.footer-link{border:1px solid rgba(255,255,255,.55);display:inline-block;padding:9px 14px;border-radius:20px}

@media (max-width:1100px){
  .container{width:min(var(--max),calc(100% - 36px))}
  .header-inner{grid-template-columns:190px 1fr auto}
  .main-nav{gap:20px;font-size:11px}
  .hero h1{font-size:39px}
  .expertise-grid{grid-template-columns:repeat(3,1fr)}
  .expertise-grid article:nth-child(3){border-right:0}
  .expertise-grid article{border-bottom:1px solid rgba(255,255,255,.25)}
  .stats-grid{padding-left:180px}
  .cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:800px){
  .site-header{position:relative}
  .header-inner{height:auto;min-height:78px;grid-template-columns:1fr auto;padding:8px 0}
  .brand img{width:165px;height:auto;max-height:58px}
  .menu-toggle{display:block;border:1px solid var(--navy);background:white;padding:9px 12px;color:var(--navy);font-weight:700}
  .main-nav{display:none;grid-column:1/3;flex-direction:column;gap:0;padding:5px 0 12px}
  .main-nav.open{display:flex}
  .main-nav a{padding:10px 0}
  .main-nav a.active::after,.main-nav a:hover::after{bottom:4px}
  .contact-header{display:none}
  
  .hero-grid{grid-template-columns:1fr}
  .hero-copy{padding:55px 18px 40px 70px}
  .hero h1{font-size:38px}
  .lead{font-size:15px}
  .hero-photo{min-height:350px}
  .hero-photo::before{display:none}
  .split{grid-template-columns:1fr;gap:34px}
  .section{padding:54px 0}
  .mosaic-wrap{padding-right:0}
  
  .expertise-grid{grid-template-columns:1fr 1fr}
  .expertise-grid article:nth-child(odd){border-right:1px solid rgba(255,255,255,.33)}
  .expertise-grid article:nth-child(even){border-right:0}
  .usage-grid{grid-template-columns:1fr}
  .usage-photo{height:280px}
  .usage-copy{padding:42px 70px 38px 20px}
  .method-grid{grid-template-columns:1fr}
  .arrow{transform:rotate(90deg);padding:0}
  
  .stats-grid{padding:25px 0;grid-template-columns:1fr 1fr}
  .stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.25);padding:24px}
  .refs-layout{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .cta-grid{grid-template-columns:1fr;padding:38px 0}
  .cta-img{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:540px){
  .container{width:calc(100% - 28px)}
  .hero h1{font-size:32px}
  .hero-copy{padding-left:56px}
  .button-row{display:grid}
  .btn{width:100%}
  .expertise-grid{grid-template-columns:1fr}
  .expertise-grid article{border-right:0!important}
  .copy h2,.usage h2,.refs h2{font-size:28px}
  .mosaic{height:280px}
  .cards{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}


@media (max-width:800px){
  
  .stats-grid{padding:25px 0}
}

/* V3 polish — typographic scale + smoother section rhythm */
@media (min-width:801px){
  .hero-grid{min-height:520px}
  .hero-copy{padding-top:62px;padding-bottom:50px}
  .hero h1{font-size:44px}
  .lead{font-size:16px}
  .section{padding:64px 0}
}

/* V9 — defensive responsive & cross-browser compatibility */
html{box-sizing:border-box;-webkit-text-size-adjust:100%;text-size-adjust:100%;overflow-x:hidden}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;min-width:0;overflow-x:hidden}
img,svg,video{display:block;max-width:100%}
img{height:auto}
button,input,select,textarea{font:inherit}
a,button{-webkit-tap-highlight-color:transparent}
main,section,article,aside,header,footer,nav,div{min-width:0}
p,li,a,span,strong,small,h1,h2,h3{overflow-wrap:break-word}
.container{max-width:100%}
:focus-visible{outline:3px solid #d4e12d;outline-offset:3px}
@media (hover:none){.main-nav a:hover::after{display:none}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media (max-width:800px){
  .main-nav{width:100%}
  .hero-copy,.usage-copy{padding-right:24px}
  .hero-photo img,.usage-photo img{width:100%;height:100%;object-fit:cover}
}
@media (max-width:540px){
  h1,h2,h3{hyphens:auto}
  .btn{white-space:normal;min-height:44px}
}

/* =========================
   BANDEAU SITE EN CONSTRUCTION
   ========================= */

.construction-banner {
  background: #008f8c;
  color: #ffffff;
  width: 100%;
  border-top: 1px solid rgba(255,255,255,0.15);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.construction-banner-inner {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 8px 20px;
  text-align: center;
}

.construction-banner p {
  margin: 0;
  font-size: 14px;
  line-height: 1.35;
  font-weight: 400;
  max-width: 1180px;
}


.construction-banner strong {
  font-weight: 800;
}

.construction-banner p span {
  margin-left: 6px;
  font-weight: 600;
}

.construction-icon {
  width: 26px;
  height: 26px;
  border: 2px solid rgba(255,255,255,0.95);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex: 0 0 26px;
}

@media (max-width: 700px) {
  .construction-banner-inner {
    align-items: flex-start;
    text-align: left;
    padding: 12px 16px;
  }

  .construction-banner p span {
    display: block;
    margin-left: 0;
    margin-top: 2px;
  }
}