:root{
  --navy:#0b1f3a; --navy2:#12305a; --blue:#1f6feb; --blue-soft:#e8f0fe;
  --ink:#16202c; --muted:#5b6676; --bg:#ffffff; --soft:#f3f6fa; --line:#e3e8ef;
  --max:1160px; --r:6px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
.kicker{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.lead{color:var(--muted);font-size:1.08rem;max-width:720px}

/* ---------- En-tête ---------- */
header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:800;font-size:1.2rem;letter-spacing:.02em}
.brand:hover{text-decoration:none}
.brand small{display:block;font-weight:600;font-size:.68rem;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;margin-top:-2px}
.brand svg{width:36px;height:36px}
nav{display:flex;align-items:center;gap:28px}
nav a{color:var(--ink);font-weight:500;font-size:.95rem}
nav a:hover{color:var(--blue);text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:var(--r);font-weight:600;font-size:.95rem;border:2px solid transparent;transition:background .15s,color .15s,border-color .15s}
.btn:hover{text-decoration:none}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:#185ccc}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:#fff;color:var(--navy)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy2)}

/* ---------- Bandeau principal ---------- */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--navy) 35%,rgba(11,31,58,.55));pointer-events:none}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:110px;padding-bottom:110px}
.hero .kicker{color:#7fb0ff}
.hero h1{font-size:clamp(2.2rem,4.6vw,3.5rem);font-weight:800;margin:14px 0 18px}
.hero .sub{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.hero .sub span{border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:6px 14px;font-size:.9rem;color:#dbe6f5}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-art{justify-self:end;width:100%;max-width:380px}

/* ---------- Chiffres clés ---------- */
.facts{background:#fff;border-bottom:1px solid var(--line)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.fact{padding:30px 24px;border-left:1px solid var(--line)}
.fact:first-child{border-left:0}
.fact strong{display:block;font-size:1.9rem;font-weight:800;color:var(--navy);line-height:1.1}
.fact span{color:var(--muted);font-size:.92rem}

/* ---------- Sections ---------- */
section{padding:96px 0}
section.soft{background:var(--soft)}
.head{margin-bottom:48px}
.head h2{font-size:clamp(1.8rem,3.2vw,2.5rem);font-weight:800;color:var(--navy);margin:10px 0 14px}

.intro{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.intro h2{font-size:clamp(2rem,3.6vw,2.8rem);font-weight:800;color:var(--navy);margin:10px 0 0}
.intro .bar{width:72px;height:4px;background:var(--blue);margin:22px 0}
.intro p{color:var(--muted);font-size:1.08rem}
.intro p+p{margin-top:14px}
.checks{list-style:none;display:grid;gap:14px}
.checks li{display:flex;gap:14px;align-items:flex-start;background:var(--soft);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px}
.checks svg{flex:none;width:24px;height:24px;margin-top:2px}
.checks b{display:block;color:var(--navy)}
.checks span{color:var(--muted);font-size:.95rem}

/* Cartes métiers */
.grid5{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 22px;transition:border-color .15s,transform .15s}
.svc:hover{border-color:var(--blue);transform:translateY(-3px)}
.ico{width:52px;height:52px;border-radius:var(--r);background:var(--blue-soft);display:grid;place-items:center;margin-bottom:18px}
.ico svg{width:28px;height:28px;stroke:var(--blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.svc h3{font-size:1.05rem;color:var(--navy);margin-bottom:8px}
.svc p{color:var(--muted);font-size:.93rem}

/* Pôles */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pole{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.pole .top{height:8px}
.pole .body{padding:30px 28px 32px}
.pole .tag{font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.pole h3{font-size:1.5rem;font-weight:800;color:var(--navy);margin:6px 0 14px}
.pole p{color:var(--muted);font-size:.97rem}
.pole ul{list-style:none;margin-top:18px;display:grid;gap:8px}
.pole li{font-size:.92rem;color:var(--ink);padding-left:18px;position:relative}
.pole li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--blue)}
.c1 .top{background:var(--blue)} .c2 .top{background:var(--navy)} .c3 .top{background:#00a3a3}
.c3 li::before{background:#00a3a3} .c2 li::before{background:var(--navy)}

/* Approche */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:56px}
.panel{background:var(--navy);color:#fff;border-radius:var(--r);padding:40px}
.panel.alt{background:var(--navy2)}
.panel h3{font-size:1.5rem;font-weight:800}
.panel .bar{width:56px;height:3px;background:#7fb0ff;margin:16px 0 18px}
.panel b{display:block;margin-bottom:8px;color:#fff}
.panel p{color:#c9d6e8;font-size:.98rem}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;border:1px solid var(--line);border-radius:var(--r);background:#fff}
.step{padding:28px 24px;border-left:1px solid var(--line)}
.step:first-child{border-left:0}
.step::before{counter-increment:s;content:"0" counter(s);display:block;font-size:1.6rem;font-weight:800;color:var(--blue);margin-bottom:6px}
.step h3{font-size:1.05rem;color:var(--navy);margin-bottom:6px}
.step p{color:var(--muted);font-size:.93rem}

/* Bandeau contact */
.cta{background:var(--blue);color:#fff;padding:64px 0}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800}
.cta p{color:#dce8ff;margin-top:6px}
.cta .btn-navy{font-size:1.05rem;padding:15px 26px}

/* Contact */
.contact{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cbox{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}
.cbox .ico{margin-bottom:14px}
.cbox .label{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.cbox a,.cbox .val{display:block;margin-top:4px;font-size:1.15rem;font-weight:700;color:var(--navy);word-break:break-word}

/* Pied de page */
footer{background:var(--navy);color:#b9c7da;padding:56px 0 28px;font-size:.93rem}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
footer .brand{color:#fff}
footer .brand small{color:#8fa3bd}
footer h4{color:#fff;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
footer ul{list-style:none;display:grid;gap:8px}
footer a{color:#b9c7da}
footer a:hover{color:#fff}
footer p{margin-top:14px;max-width:340px}
.fbottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:.85rem}

/* Mentions légales */
.legal{padding:64px 0 96px}
.legal h1{font-size:2.2rem;font-weight:800;color:var(--navy);margin-bottom:28px}
.legal h2{font-size:1.2rem;color:var(--navy);margin:32px 0 10px}
.legal p,.legal li{color:var(--muted)}
.legal ul{padding-left:20px;display:grid;gap:4px}

.todo{background:#fff3cd;color:#7a5200;padding:0 5px;border-radius:3px;font-weight:600}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .grid5{grid-template-columns:repeat(3,1fr)}
  .facts .wrap{grid-template-columns:repeat(2,1fr)}
  .fact:nth-child(3){border-left:0}
  .fact:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:860px){
  nav a:not(.btn){display:none}
  .hero .wrap,.intro,.split,.grid3,.contact,.fgrid{grid-template-columns:1fr}
  .hero-art{display:none}
  .hero .wrap{padding-top:72px;padding-bottom:72px}
  .steps{grid-template-columns:1fr 1fr}
  .step:nth-child(3){border-left:0}
  .step:nth-child(n+3){border-top:1px solid var(--line)}
  section{padding:64px 0}
  .intro{gap:32px}
}
@media (max-width:560px){
  .grid5,.steps,.facts .wrap{grid-template-columns:1fr}
  .step,.fact{border-left:0}
  .step+.step,.fact+.fact{border-top:1px solid var(--line)}
  nav .btn span{display:none}
  .panel{padding:30px 24px}
}
@media (prefers-reduced-motion:reduce){
  .hero-video{display:none}
  *{transition:none!important;scroll-behavior:auto!important}
}