/* LENS SI — feuille de style commune */
:root{
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --blue-light:#60A5FA;
  --ink:#0F172A;
  --muted:#475569;
  --border:#E5E9F0;
  --slate:#CBD5E1;
  --bg-soft:#F8FAFC;
  --white:#FFFFFF;
  --max:1160px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dark)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;background:var(--blue);color:#fff;padding:10px 16px;z-index:999}
.skip:focus{left:8px;top:8px;color:#fff}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:var(--white);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 24px;max-width:var(--max);margin:0 auto}
.brand{display:flex;align-items:center;gap:12px}
.brand:hover{color:inherit}
.brand-mark{
  width:44px;height:44px;border-radius:50%;border:3px solid var(--blue);flex-shrink:0;
  background:conic-gradient(var(--blue-light) 0% 12.5%,var(--blue) 12.5% 25%,var(--blue-light) 25% 37.5%,var(--blue) 37.5% 50%,var(--blue-light) 50% 62.5%,var(--blue) 62.5% 75%,var(--blue-light) 75% 87.5%,var(--blue) 87.5% 100%);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark span{width:22px;height:22px;border-radius:50%;background:var(--white)}
.brand-name{font-weight:800;font-size:20px;letter-spacing:1px;color:var(--ink);line-height:1.1}
.brand-tag{font-weight:600;font-size:10px;letter-spacing:2px;color:var(--blue);white-space:nowrap}

.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:15px;font-weight:600;color:var(--ink);padding-bottom:4px;border-bottom:2px solid transparent}
.nav a:hover{color:var(--blue)}
.nav a[aria-current="page"]{color:var(--blue);border-bottom-color:var(--blue)}
.lang{display:flex;border:1px solid var(--slate);border-radius:6px;overflow:hidden}
.lang a{padding:6px 12px;font-size:13px;font-weight:700;color:var(--muted);border:0}
.lang a[aria-current="true"]{background:var(--blue);color:#fff}
.btn{
  display:inline-block;background:var(--blue);color:#fff;font-weight:600;font-size:15px;
  padding:12px 24px;border-radius:6px;border:1px solid var(--blue);cursor:pointer;
  transition:background .15s ease;
}
.btn:hover{background:var(--blue-dark);color:#fff}
.btn-ghost{background:transparent;color:var(--blue)}
.btn-ghost:hover{background:var(--bg-soft);color:var(--blue-dark)}
.btn-light{background:#fff;color:var(--blue);border-color:#fff}
.btn-light:hover{background:#EFF6FF;color:var(--blue-dark)}

.nav-toggle{display:none;background:none;border:1px solid var(--slate);border-radius:6px;padding:8px 12px;font-size:18px;cursor:pointer}

/* ---------- Sections ---------- */
main section{padding:76px 0}
section.tight{padding:56px 0}
.soft{background:var(--bg-soft)}
.kicker{font-size:12px;font-weight:700;letter-spacing:2.5px;color:var(--blue);text-transform:uppercase;margin-bottom:14px}
h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.5px;margin-bottom:20px}
h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;line-height:1.25;margin-bottom:18px;letter-spacing:-.3px}
h3{font-size:19px;font-weight:700;margin-bottom:10px}
.lead{font-size:18px;color:var(--muted);max-width:62ch}
p{margin-bottom:16px;color:var(--muted)}
p.ink{color:var(--ink)}

/* ---------- Hero ---------- */
.hero{padding:88px 0 72px}
.hero h1{max-width:19ch}
.hero .lead{margin-bottom:30px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- Grilles ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{
  border:1px solid var(--border);border-radius:10px;padding:28px;background:var(--white);
  transition:border-color .15s ease,box-shadow .15s ease;
}
.card:hover{border-color:var(--blue-light);box-shadow:0 4px 18px rgba(37,99,235,.07)}
.card .mark{font-size:13px;font-weight:800;color:var(--blue-light);letter-spacing:1px;margin-bottom:10px}
.card ul{list-style:none;margin-top:14px}
.card ul li{position:relative;padding-left:20px;font-size:15px;color:var(--muted);margin-bottom:7px}
.card ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--blue-light)}

.step{border-left:3px solid var(--blue);padding-left:22px}
.step .tag{font-size:12px;font-weight:800;letter-spacing:2px;color:var(--blue)}

/* ---------- Bandeau CTA ---------- */
.banner{background:var(--ink);color:#fff;border-radius:12px;padding:46px 40px;text-align:center}
.banner h2{color:#fff;margin-bottom:10px}
.banner p{color:#CBD5E1;margin-bottom:24px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.field{margin-bottom:18px}
label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--ink)}
input,textarea{
  width:100%;font-family:inherit;font-size:15px;color:var(--ink);
  padding:12px 14px;border:1px solid var(--slate);border-radius:7px;background:#fff;
}
input:focus,textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(37,99,235,.14)}
textarea{min-height:140px;resize:vertical}
.info-item{border-bottom:1px solid var(--border);padding:16px 0}
.info-item:last-child{border-bottom:0}
.info-label{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--blue)}
.info-value{font-size:16px;font-weight:500;color:var(--ink)}
.hp{position:absolute;left:-9999px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#94A3B8;padding:54px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}
.site-footer h4{font-size:11px;font-weight:700;letter-spacing:2px;color:#fff;margin-bottom:14px}
.site-footer a{color:#94A3B8;font-size:15px}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:9px}
.footer-tag{color:#CBD5E1;max-width:38ch;font-size:15px}
.footer-bottom{border-top:1px solid #1E293B;margin-top:34px;padding-top:20px;font-size:14px}

/* ---------- Responsive ---------- */
@media (max-width:880px){
  .g3,.g2,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:12px 24px 20px;
    border-bottom:1px solid var(--border);box-shadow:0 8px 20px rgba(15,23,42,.07);
  }
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--border)}
  .nav a[aria-current="page"]{border-bottom-color:var(--border)}
  .nav .lang{align-self:flex-start;margin-top:14px}
  .nav .btn{text-align:center;margin-top:14px}
  main section{padding:56px 0}
  .hero{padding:56px 0 48px}
  .banner{padding:36px 24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}