:root{
  --ink:#0B2050;
  --navy:#143A7B;
  --orange:#FF8C00;
  --sand:#F4F6F9;
  --line:#E2E7EF;
  --grey:#4A5568;
  --white:#fff;
  --wrap:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;color:#1B2432;background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;line-height:1.15;letter-spacing:-.02em;color:var(--ink)}
h1{font-size:clamp(2rem,5.2vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.6vw,2.4rem);font-weight:600}
h3{font-size:1.22rem;font-weight:600}
p{color:var(--grey)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* ---------- HEADER ---------- */
header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:52px;width:auto}
.brand b{font-family:'Poppins',sans-serif;font-size:1.15rem;color:var(--ink);display:block;line-height:1.1}
.brand span{font-size:.68rem;color:var(--grey);letter-spacing:.04em}
nav.desk{display:flex;align-items:center;gap:30px}
nav.desk a{font-weight:500;font-size:.95rem;color:#22304A;padding:6px 0;border-bottom:2px solid transparent}
nav.desk a:hover{color:var(--navy)}
nav.desk a.on{color:var(--ink);border-bottom-color:var(--orange)}
.callbtn{background:var(--ink);color:#fff;padding:11px 20px;border-radius:4px;font-weight:600;font-size:.9rem}
.callbtn:hover{background:var(--navy)}
.burger{display:none;width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:4px;cursor:pointer;padding:12px 11px}
.burger span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .2s}
.burger span+span{margin-top:5px}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobmenu{display:none;border-top:1px solid var(--line);background:#fff}
.mobmenu.show{display:block}
.mobmenu a{display:block;padding:15px 24px;border-bottom:1px solid var(--line);font-weight:500}
.mobmenu a.sub{padding-left:44px;font-size:.92rem;color:var(--grey)}
.mobmenu a.on{color:var(--ink);border-left:3px solid var(--orange)}

/* ---------- HERO CARROUSEL ---------- */
.hero{position:relative;height:min(78vh,620px);min-height:420px;overflow:hidden;background:var(--ink)}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease}
.slide.on{opacity:1}
.slide img{width:100%;height:100%;object-fit:cover}
.scrim{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,32,80,.92) 0%,rgba(11,32,80,.72) 45%,rgba(11,32,80,.25) 100%)}
.herotext{position:absolute;inset:0;display:flex;align-items:center}
.herotext .wrap{color:#fff}
.herotext h1{color:#fff;max-width:15ch}
.kicker{display:inline-block;color:var(--orange);font-weight:600;font-size:.9rem;margin-bottom:14px;border-left:3px solid var(--orange);padding-left:10px}
.herotext p{color:rgba(255,255,255,.9);max-width:52ch;margin:18px 0 26px;font-size:1.05rem}
.btnrow{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 26px;border-radius:4px;font-weight:600;font-size:.95rem;cursor:pointer;border:2px solid transparent}
.btn-o{background:var(--orange);color:#0B2050}
.btn-o:hover{background:#ffa02e}
.btn-g{border-color:rgba(255,255,255,.6);color:#fff}
.btn-g:hover{background:#fff;color:var(--ink)}
.dots{position:absolute;left:0;right:0;bottom:26px;display:flex;gap:9px;justify-content:center;z-index:3}
.dots button{width:34px;height:4px;border:0;border-radius:2px;background:rgba(255,255,255,.4);cursor:pointer;padding:0}
.dots button.on{background:var(--orange)}
.arw{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:44px;height:44px;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:1.3rem;cursor:pointer;border-radius:50%}
.arw:hover{background:rgba(255,255,255,.3)}
.arw.l{left:16px}.arw.r{right:16px}

/* ---------- SECTIONS ---------- */
.sec{padding:76px 0}
.sec.tint{background:var(--sand)}
.lead{max-width:62ch;margin-bottom:38px}
.lead h2{margin-bottom:14px}

/* bandeau services (accueil + hub) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column}
.card img{height:210px;width:100%;object-fit:cover}
.card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.card h3{margin-bottom:8px}
.card p{font-size:.94rem;flex:1}
.card .go{margin-top:18px;color:var(--navy);font-weight:600;font-size:.92rem;border-top:2px solid var(--orange);padding-top:12px;display:inline-block;align-self:flex-start}
.card:hover{border-color:#c8d3e6}

/* bande alternée pages service */
.band{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:56px}
.band:last-child{margin-bottom:0}
.band.rev .txt{order:2}
.band img{width:100%;height:340px;object-fit:cover}
.band h3{margin-bottom:12px;font-size:1.35rem}
.tick{list-style:none;margin-top:16px}
.tick li{position:relative;padding-left:24px;margin-bottom:9px;color:var(--grey);font-size:.96rem}
.tick li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--orange);border-radius:2px}

/* page header interne */
.phead{background:var(--ink);color:#fff;padding:54px 0}
.phead h1{color:#fff;font-size:clamp(1.8rem,4vw,2.6rem)}
.phead p{color:rgba(255,255,255,.82);margin-top:10px;max-width:60ch}
.crumb{font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:12px}
.crumb a:hover{color:var(--orange)}

/* chiffres / engagements */
.vals{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.val{background:#fff;padding:26px 22px}
.val b{font-family:'Poppins',sans-serif;color:var(--ink);font-size:1.05rem;display:block;margin-bottom:6px}
.val span{font-size:.9rem;color:var(--grey)}

/* mosaïque */
.mosaic{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px}
.mosaic img{width:100%;height:100%;min-height:190px;object-fit:cover}
.mosaic .big{grid-row:span 2}

/* CTA bande */
.cta{background:var(--navy);color:#fff;padding:56px 0}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.85);margin:10px 0 24px;max-width:56ch}

/* contact */
.cgrid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px}
.info h3{margin-bottom:6px}
.info .row{padding:18px 0;border-bottom:1px solid var(--line)}
.info .row b{display:block;font-size:.8rem;color:var(--grey);font-weight:500;margin-bottom:3px}
.info .row a,.info .row span{font-family:'Poppins',sans-serif;color:var(--ink);font-size:1.02rem}
.info .row a:hover{color:var(--navy)}
form{background:var(--sand);padding:30px;border:1px solid var(--line)}
.f{margin-bottom:16px}
.f label{display:block;font-size:.86rem;font-weight:600;margin-bottom:6px;color:#22304A}
.f input,.f select,.f textarea{width:100%;padding:12px 13px;border:1px solid #CFD8E6;border-radius:4px;font:inherit;font-size:.95rem;background:#fff}
.f textarea{min-height:120px;resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(20,58,123,.12)}
.send{width:100%;background:var(--ink);color:#fff;border:0;padding:15px;border-radius:4px;font:inherit;font-weight:600;font-size:1rem;cursor:pointer}
.send:hover{background:var(--navy)}
.note{font-size:.82rem;color:var(--grey);margin-top:10px;text-align:center}

/* à propos */
.about{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.about img{width:100%;height:400px;object-fit:cover}
.about p{margin-bottom:14px}

/* footer */
footer{background:var(--ink);color:rgba(255,255,255,.72);padding:52px 0 26px;font-size:.92rem}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;margin-bottom:34px}
footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;font-weight:600}
footer a:hover{color:var(--orange)}
footer .flist a,footer .flist p{display:block;margin-bottom:8px;color:rgba(255,255,255,.72)}
.fbrand img{height:56px;background:#fff;padding:6px;border-radius:4px;margin-bottom:14px}
.fbot{border-top:1px solid rgba(255,255,255,.16);padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.85rem}

/* whatsapp */
.wa{position:fixed;right:20px;bottom:20px;z-index:70;width:58px;height:58px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.wa svg{width:30px;height:30px;fill:#fff}
.wa:hover{background:#1fbb59}

/* pages */

@media(max-width:900px){
  .cards{grid-template-columns:1fr}
  .band,.about,.cgrid{grid-template-columns:1fr;gap:24px}
  .band.rev .txt{order:0}
  .band img,.about img{height:250px}
  .vals{grid-template-columns:1fr 1fr}
  .mosaic{grid-template-columns:1fr 1fr}
  .mosaic .big{grid-row:span 1}
  nav.desk,.bar .callbtn{display:none}
  .burger{display:block}
  .hero{height:auto;min-height:0;padding:0}
  .scrim{background:linear-gradient(180deg,rgba(11,32,80,.55) 0%,rgba(11,32,80,.9) 100%)}
  .arw{display:none}
  .sec{padding:52px 0}
}
@media(max-width:900px){
  .hero{height:520px}
  .herotext{align-items:flex-end;padding-bottom:56px}
}
@media(max-width:560px){
  .vals{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  .brand span{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* selecteur de langue */
.lang{display:inline-flex;align-items:center;gap:7px;margin-left:auto;margin-right:16px;
  padding:8px 14px 8px 12px;border:1px solid var(--line);border-radius:999px;
  font-size:.82rem;font-weight:600;color:#3D4A61;letter-spacing:.01em;white-space:nowrap;
  transition:border-color .2s,color .2s,background .2s}
.lang svg{width:16px;height:16px;flex:0 0 auto;opacity:.75}
.lang:hover{border-color:var(--navy);color:var(--ink);background:var(--sand)}
.lang:hover svg{opacity:1;color:var(--orange)}
@media(max-width:900px){
  .lang{margin-right:10px;padding:8px 12px 8px 10px;font-size:.78rem}
  .lang span{display:none}
  .lang::after{content:attr(hreflang);text-transform:uppercase;letter-spacing:.06em}
}