/* ===== RDB — feuille de style commune ===== */
:root{
  --navy:#083868; --navy-d:#0c1a2e; --orange:#D89028; --ink:#12233c;
  --grey:#5b6472; --line:#e6eaee; --bg:#f6f7f9;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Montserrat',Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.kick{color:var(--orange);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase}
h2{font-size:30px;font-weight:800;color:var(--navy);line-height:1.2;margin:8px 0}
.lead{color:var(--grey);max-width:700px;margin-bottom:36px}
section{padding:64px 0}
.btn1{display:inline-block;background:var(--orange);color:#fff;padding:13px 24px;border-radius:7px;font-weight:700}
.btn1:hover{background:#c17f1e}
.btn2{display:inline-block;background:rgba(255,255,255,.12);border:1.5px solid #fff;color:#fff;padding:13px 24px;border-radius:7px;font-weight:700}
.btn-ghost{display:inline-block;border:1.5px solid var(--navy);color:var(--navy);padding:12px 22px;border-radius:7px;font-weight:700}
.btn-ghost:hover{background:var(--navy);color:#fff}

/* header */
header.site{position:sticky;top:0;background:#fff;box-shadow:0 1px 0 var(--line);z-index:50}
.hd{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:44px;width:auto}
.brand .bt{display:flex;flex-direction:column;line-height:1}
.brand .bt b{font-size:22px;font-weight:800;letter-spacing:2px;color:var(--navy)}
.brand .bt span{font-size:9px;font-weight:600;letter-spacing:2.5px;color:var(--orange);text-transform:uppercase;margin-top:2px}
nav.main a{margin:0 13px;font-weight:600;font-size:14px;color:var(--ink)}
nav.main a:hover,nav.main a.active{color:var(--orange)}
.hd .cta{background:var(--orange);color:#fff;padding:11px 18px;border-radius:6px;font-weight:700;font-size:14px}
.burger{display:none;font-size:26px;background:none;border:0;color:var(--navy);cursor:pointer}

/* hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,56,104,.9),rgba(8,56,104,.5))}
.hero .wrap{position:relative;padding:70px 28px}
.badge{display:inline-block;background:var(--orange);color:#fff;font-size:12px;font-weight:700;letter-spacing:2px;padding:6px 12px;border-radius:4px;margin-bottom:20px}
.hero h1{color:#fff;font-size:44px;font-weight:800;line-height:1.13;max-width:680px}
.hero p{color:#e8eef5;font-size:18px;margin-top:18px;max-width:560px}
.hero .btns{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}

/* page-head (inner pages) */
.phead{position:relative;padding:70px 0 54px;color:#fff}
.phead::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,56,104,.94),rgba(8,56,104,.6))}
.phead .wrap{position:relative}
.phead h1{font-size:38px;font-weight:800}
.phead p{color:#d7e0ea;margin-top:8px;max-width:640px}
.crumb{font-size:12px;letter-spacing:1px;color:#a9bacd;text-transform:uppercase;margin-bottom:10px}

/* stats */
.stats{background:var(--navy)}
.stats .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;padding:24px 28px;gap:16px}
.stat{text-align:center;flex:1;min-width:120px}
.stat b{display:block;font-size:27px;font-weight:800;color:#fff}
.stat b em{color:var(--orange);font-style:normal}
.stat span{font-size:11.5px;color:#b9c6d6;letter-spacing:.5px}
.stat .ffb{height:40px;margin:0 auto;background:#fff;border-radius:6px;padding:4px}

/* cards / savoir-faire */
.sf-row{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;margin-bottom:38px}
.sf-row.rev .sf-ph{order:2}
.sf-ph{border-radius:14px;overflow:hidden;box-shadow:0 12px 30px rgba(18,35,60,.14);aspect-ratio:4/3}
.sf-ph img{width:100%;height:100%;object-fit:cover}
.sf-num{display:inline-block;font-weight:800;font-size:13px;color:#fff;background:var(--orange);padding:4px 12px;border-radius:6px;letter-spacing:1px}
.sf-tx h3{font-size:23px;color:var(--navy);margin:13px 0 15px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:var(--bg);border:1px solid var(--line);border-left:3px solid var(--orange);border-radius:6px;padding:8px 13px;font-size:13.5px;color:#2a3340}

/* réalisations */
.refs{background:var(--bg)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ref{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 6px 22px rgba(18,35,60,.07)}
.ref .ph{height:200px;background-size:cover;background-position:center}
.ref .bd{padding:18px}
.ref .tag{font-size:11px;font-weight:700;color:var(--orange);letter-spacing:1px}
.ref h3{font-size:16px;color:var(--navy);margin:5px 0 8px;min-height:42px}
.ref .meta{font-size:13px;color:var(--grey)}
.ref .amt{margin-top:10px;font-weight:800;color:var(--navy)}
.center{text-align:center;margin-top:34px}

/* quote */
.quote{background:var(--navy);color:#fff;text-align:center}
.quote .wrap{padding:54px 28px}
.quote .mk{color:var(--orange);font-size:46px;font-weight:800;line-height:.3}
.quote p{font-size:24px;font-weight:600;max-width:820px;margin:14px auto 0;line-height:1.5}

/* zone map */
.zone .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}
.dept{cursor:pointer}
.dept rect{fill:#eef2f6;stroke:var(--navy);stroke-width:2;transition:fill .15s}
.dept text.n{fill:var(--navy);font-weight:800;font-size:17px}
.dept text.nm{fill:#5b6472;font-size:9.5px;font-weight:600;letter-spacing:.3px}
.dept:hover rect,.dept.on rect{fill:var(--orange)}
.dept:hover text,.dept.on text{fill:#fff!important}
.dept.hq rect{fill:#083868}
.dept.hq text{fill:#fff}
.dept.hq:hover rect{fill:var(--orange)}
.zlist{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.zlist span{font-size:12px;font-weight:600;color:var(--navy);background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:6px 12px}

/* footer */
footer.site{background:var(--navy-d);color:#c7d2de;font-size:14px}
footer.site .wrap{padding:46px 28px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px}
footer.site b{color:#fff;display:block;margin-bottom:12px;font-size:15px}
footer.site a:hover{color:var(--orange)}
footer.site .col{max-width:280px}
.cert{display:flex;align-items:center;gap:12px;margin-top:4px}
.cert img{height:44px;background:#fff;border-radius:6px;padding:4px}
.cert .ax{font-weight:700;color:#fff;font-size:12px;border:1px solid #33465f;border-radius:6px;padding:8px 10px}
.fnote{border-top:1px solid #1c2c42;text-align:center;padding:16px;font-size:12px;color:#7f8ea1}

/* forms */
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .full{grid-column:1/-1}
.form label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;font-family:inherit;font-size:14px;padding:12px 14px;border:1.5px solid var(--line);border-radius:8px;background:#fff}
.form textarea{min-height:140px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--orange)}
.info-line{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px}
.info-line .lab{color:var(--orange);font-weight:800;min-width:70px}

@media(max-width:900px){
  .grid3{grid-template-columns:1fr}
  .sf-row,.sf-row.rev{grid-template-columns:1fr}.sf-row.rev .sf-ph{order:0}
  .zone .wrap{grid-template-columns:1fr}
  nav.main,.hd .cta{display:none}.burger{display:block}
  .hero h1{font-size:31px}.phead h1{font-size:28px}
  .form{grid-template-columns:1fr}
  nav.main.open{display:flex;flex-direction:column;position:absolute;top:74px;left:0;right:0;background:#fff;padding:14px 28px;box-shadow:0 8px 20px rgba(0,0,0,.1)}
  nav.main.open a{margin:8px 0}
}

/* ===== carte géographique interactive ===== */
.zone.geo .wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:center}
.zmap svg{width:100%;height:auto;display:block}
.dpath{fill:#e7edf3;stroke:#fff;stroke-width:1.1;cursor:pointer;transition:fill .15s}
.dpath:hover,.dpath.on{fill:var(--orange)}
.dpath.hq{fill:var(--navy)}
.dpath.hq:hover,.dpath.hq.on{fill:var(--orange)}
.dlab{font-family:'Montserrat',Arial;font-weight:700;font-size:11px;fill:#0c1a2e;paint-order:stroke;stroke:#fff;stroke-width:2.6px;pointer-events:none}
.zpanel{display:flex;align-items:center;gap:14px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:14px;max-width:340px}
.zpanel .zcode{background:var(--navy);color:#fff;font-weight:800;font-size:18px;min-width:46px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:9px}
.zpanel b{color:var(--navy);font-size:17px;display:block}
.zpanel span#zhint{color:var(--grey);font-size:12.5px}
.zone.geo .zlist span{cursor:pointer}
.zone.geo .zlist span.on{background:var(--orange);color:#fff;border-color:var(--orange)}
@media(max-width:900px){.zone.geo .wrap{grid-template-columns:1fr}}

/* ===== pages internes ===== */
.two{display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:start}
.two p{margin-bottom:14px;color:#33404f}
.factbox{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:24px}
.factbox b{color:var(--navy);font-size:16px;display:block;margin-bottom:12px}
.fx{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:11px 0;font-size:14px;font-weight:600;color:var(--navy)}
.fx span{color:var(--grey);font-weight:500}
.team{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.tcard{display:flex;gap:16px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:20px}
.ava{flex:none;width:56px;height:56px;border-radius:12px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.tcard h3{color:var(--navy);font-size:17px}
.tcard .role{color:var(--orange);font-weight:700;font-size:12.5px;text-transform:uppercase;letter-spacing:.5px}
.tcard p{color:#4a5563;font-size:13.5px;margin-top:6px}
.mgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}
.mcard h3{color:var(--navy);font-size:16px;margin-bottom:10px;padding-bottom:8px;border-bottom:2px solid var(--orange);display:inline-block}
.mcard ul{list-style:none}.mcard li{padding:6px 0 6px 20px;position:relative;font-size:14px;color:#33404f}
.mcard li:before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;background:var(--orange);border-radius:2px}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 6px 22px rgba(18,35,60,.07);display:flex;flex-direction:column}
.pcard .ph{height:200px;background-size:cover;background-position:center;position:relative;cursor:pointer}
.pcard .tg{position:absolute;top:12px;left:12px;background:var(--orange);color:#fff;font-size:10px;font-weight:700;letter-spacing:1px;padding:4px 9px;border-radius:5px}
.pcard .bd{padding:18px;display:flex;flex-direction:column;flex:1}
.pcard h3{color:var(--navy);font-size:16.5px;line-height:1.3}
.pcard .loc{color:var(--orange);font-weight:700;font-size:13px;margin:4px 0}
.pcard .meta{color:var(--grey);font-size:12.5px;margin-bottom:8px}
.pcard p{font-size:13px;color:#4a5563;flex:1}
.pcard .amt{margin-top:12px;font-weight:800;color:var(--navy);border-top:1px solid var(--line);padding-top:10px}
.note{color:var(--grey);font-size:13px;text-align:center;margin-top:30px}
.two-c{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.mini{font-size:11px;color:var(--grey);margin-top:8px;text-align:center}

/* ===== galeries (couverture cliquable) ===== */
.gal{cursor:pointer;position:relative}
.gbadge{position:absolute;right:12px;bottom:12px;background:rgba(8,56,104,.82);color:#fff;font-size:11px;font-weight:700;padding:4px 9px;border-radius:6px;letter-spacing:.3px;z-index:2}
.sf-ph.gal img,.ref .ph,.pcard .ph{transition:transform .35s}
.sf-ph.gal:hover img{transform:scale(1.04)}
.ref.gal:hover .ph,.pcard .ph:hover{transform:scale(1.03)}
.ref.gal{cursor:pointer}

/* ===== lightbox ===== */
.lightbox{position:fixed;inset:0;background:rgba(7,15,26,.94);display:none;align-items:center;justify-content:center;z-index:1000}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:84vh;border-radius:6px;box-shadow:0 10px 50px rgba(0,0,0,.5)}
.lb-btn{position:absolute;background:rgba(255,255,255,.12);border:0;color:#fff;cursor:pointer;font-size:34px;line-height:1;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.lb-btn:hover{background:var(--orange)}
.lb-prev{left:3vw}.lb-next{right:3vw}
.lb-close{top:24px;right:24px;width:46px;height:46px;font-size:28px}
.lb-count{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);color:#fff;font-weight:700;font-size:14px;background:rgba(0,0,0,.4);padding:6px 14px;border-radius:20px}
@media(max-width:900px){.two,.team,.mgrid,.pgrid,.two-c{grid-template-columns:1fr}.lb-btn{width:44px;height:44px;font-size:26px}}

/* logo en-tête : icône + sigle */
.brand{gap:11px}
.brand .bi{height:46px;width:auto}
.brand .bw{height:29px;width:auto}
@media(max-width:520px){.brand .bi{height:38px}.brand .bw{height:24px}}