@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');

:root{
  --blue:#17549f;
  --blue-dark:#103e78;
  --orange:#ff8218;
  --ink:#17243a;
  --muted:#667994;
  --line:#dce5f0;
  --bg:#f7f9fc;
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Manrope,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{height:88px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{width:180px;height:auto}
.menu{display:flex;gap:34px;align-items:center;font-weight:600}
.menu a:hover{color:var(--orange)}
.cta{background:var(--orange);color:#fff;padding:14px 23px;border-radius:13px;font-weight:800;box-shadow:0 8px 20px rgba(255,130,24,.18)}
.mobile-toggle{display:none;border:0;background:none;font-size:28px}
.hero{position:relative;min-height:620px;display:grid;align-items:center;overflow:hidden;background:#fff}
.hero-media{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(255,255,255,1) 0%,rgba(255,255,255,.94) 30%,rgba(255,255,255,.25) 57%,rgba(255,255,255,0) 75%),url('../images/hero-montagne.jpg');background-size:cover;background-position:center right}
.hero-content{position:relative;z-index:1;max-width:650px;padding:80px 0}
.badge{display:inline-flex;align-items:center;gap:9px;border:1px solid #c8dbf3;color:var(--blue);padding:8px 15px;border-radius:999px;font-weight:700;background:#f7fbff}
.badge span{width:9px;height:9px;border-radius:50%;background:var(--orange)}
h1{font-size:clamp(42px,5.2vw,70px);line-height:1.08;color:var(--blue);margin:22px 0}
h1 .orange{color:var(--orange)}
.lead{font-size:19px;color:var(--muted);max-width:650px}
.buttons{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 24px;border-radius:12px;font-weight:800}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 8px 18px rgba(255,130,24,.18)}
.btn-outline{border:1px solid var(--line);background:#fff;color:var(--blue)}
.features{padding:34px 0 70px;background:#fff}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 10px 30px rgba(23,84,159,.05)}
.icon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:24px;background:#eef5ff;margin-bottom:18px}
.card:nth-child(2) .icon{background:#fff2e5}
.card:nth-child(3) .icon{background:#eaf7ed}
.card:nth-child(4) .icon{background:#edf8e8}
.card h3{margin:0 0 10px;color:var(--ink);font-size:21px}
.card p{margin:0;color:var(--muted)}
.section{padding:95px 0}
.section-white{background:#fff}
.eyebrow{color:var(--orange);font-weight:800;letter-spacing:3px;text-transform:uppercase;font-size:13px}
.section h2{font-size:clamp(34px,4vw,54px);line-height:1.15;color:var(--blue);margin:10px 0 20px}
.section-intro{font-size:18px;color:var(--muted);max-width:800px}
.tech-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:start}
.steps{margin-top:35px}
.step{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:20px 0;border-bottom:1px dashed #d7e0ea}
.num{width:40px;height:40px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:800}
.step h3{margin:0;color:var(--blue);font-size:21px}
.step p{margin:5px 0 0;color:var(--muted)}
.photo-stack{display:grid;gap:25px}
.photo-stack img{width:100%;height:300px;object-fit:cover;border-radius:22px;border:10px solid #fff;box-shadow:0 12px 30px rgba(20,40,70,.08)}
.partner{background:var(--blue);color:#fff}
.partner .inner{border:1px solid rgba(255,255,255,.22);border-radius:26px;padding:55px;max-width:980px;margin:auto;text-align:left}
.partner h2{color:#fff}
.partner p{color:rgba(255,255,255,.86);font-size:18px}
.partner img{border-radius:18px;width:100%;height:330px;object-fit:cover}
.contact-wrap{max-width:1050px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:28px;padding:55px;box-shadow:0 15px 45px rgba(23,84,159,.07)}
.contact-head{text-align:center;max-width:720px;margin:0 auto 40px}
.contact-head .logo{width:190px;margin:0 auto 18px}
.contact-head h2{margin:0;color:var(--blue);font-size:44px}
.contact-head p{color:var(--muted);font-size:18px}
.contact-info{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:30px 0}
.info{border:1px solid var(--line);border-radius:18px;padding:28px;text-align:center}
.info .small{font-size:13px;letter-spacing:2px;font-weight:800;color:var(--muted)}
.info strong{display:block;font-size:22px;margin-top:8px}
form{margin-top:35px;border-top:1px dashed var(--line);padding-top:35px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
form .full{grid-column:1/-1}
label{font-weight:700;font-size:14px}
input,textarea{width:100%;margin-top:7px;border:1px solid #d6dfeb;border-radius:12px;padding:13px 14px;font:inherit;background:#fbfcfe}
textarea{min-height:150px;resize:vertical}
footer{background:var(--blue-dark);color:#fff;padding:30px 0}
.footer-row{display:flex;align-items:center;justify-content:space-between;gap:25px}
.footer-logo{width:145px;background:#fff;border-radius:9px;padding:7px}
.footer-contact{font-weight:600}
.notice{font-size:13px;color:#73839a;margin-top:15px}
@media(max-width:900px){
  .menu{gap:18px;font-size:14px}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .tech-grid{grid-template-columns:1fr}
  .partner .inner{padding:35px}
}
@media(max-width:680px){
  .nav{height:72px}.logo{width:145px}.menu{display:none}.mobile-toggle{display:block}
  .hero{min-height:690px}.hero-media{background-image:linear-gradient(180deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 47%,rgba(255,255,255,.15) 80%),url('../images/hero-montagne.jpg');background-position:center bottom}
  .hero-content{padding:55px 0 120px}.lead{font-size:16px}h1{font-size:42px}
  .grid4{grid-template-columns:1fr}.section{padding:65px 0}
  .photo-stack img{height:240px}.contact-wrap{padding:28px 20px}.contact-info,form{grid-template-columns:1fr}
  form .full{grid-column:auto}.footer-row{flex-direction:column;align-items:flex-start}.footer-contact{font-size:14px}
}