:root{
  --navy:#1e3a8a; --navy-d:#162e6e; --blue:#3b82f6; --blue-l:#dbeafe;
  --ink:#111827; --body:#374151; --muted:#6b7280; --line:#e5e7eb;
  --bg:#ffffff; --bg-alt:#f8fafc; --ok-bg:#ecfdf5; --ok-fg:#065f46;
  --err-bg:#fef2f2; --err-fg:#991b1b;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--body);font-family:var(--sans);
     font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:0 1.25rem}
h1,h2,h3{color:var(--ink);line-height:1.2;margin:0;text-wrap:balance}
h1{font-size:clamp(2rem,5vw,3rem);font-weight:800;letter-spacing:-.025em}
h2{font-size:clamp(1.5rem,3.2vw,2.1rem);font-weight:750;letter-spacing:-.02em}
h3{font-size:1.15rem;font-weight:700}
p{margin:0}
a{color:var(--navy)}

/* nav */
.nav{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
.navin{display:flex;align-items:center;justify-content:space-between;gap:1rem;
       min-height:64px;flex-wrap:wrap}
.brand{font-weight:800;color:var(--navy);text-decoration:none;font-size:1.15rem;letter-spacing:-.02em}
.nav nav{display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap}
.nav nav a{text-decoration:none;color:var(--body);font-weight:600;font-size:.95rem}
.nav nav a:hover{color:var(--navy)}
.nav .cta{background:var(--navy);color:#fff;padding:.5rem .9rem;border-radius:6px}
.nav .cta:hover{background:var(--navy-d);color:#fff}

/* hero */
.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-d) 60%,#0f2350 100%);
      color:#fff;padding:4.5rem 0 4rem;text-align:center}
.hero h1{color:#fff}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:700;
         color:#a9c2f5;margin-bottom:.9rem}
.lead{color:#d6e2fb;font-size:1.15rem;margin:1rem auto 2rem;max-width:44rem}

/* boutons */
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;
     font-weight:700;padding:.85rem 1.7rem;border-radius:8px;border:0;cursor:pointer;
     font-size:1rem;font-family:inherit;transition:background .15s}
.btn:hover{background:#2563eb;color:#fff}
.btn.small{padding:.6rem 1.2rem;font-size:.92rem;margin-top:1.2rem}
.btn.light{background:#fff;color:var(--navy)}
.btn.light:hover{background:var(--blue-l);color:var(--navy)}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,
textarea:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:2px}

/* blocs */
.block{padding:3.75rem 1.25rem}
.alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.intro{max-width:46rem;margin:.9rem 0 2.25rem;font-size:1.05rem}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:1.25rem}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(20rem,1fr));gap:1.5rem;margin-top:2rem}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:1.5rem}
.card h3{margin:.6rem 0 .4rem}
.card p{color:var(--muted);font-size:.95rem}
.ico{font-size:1.9rem;line-height:1}

/* tarifs */
.price{background:#fff;border:1px solid var(--line);border-radius:12px;padding:2rem;text-align:center}
.price.featured{border:2px solid var(--blue);box-shadow:0 8px 28px rgba(30,58,138,.10)}
.price h3{margin:.7rem 0 .5rem;font-size:1.3rem}
.amount{font-size:2.6rem;font-weight:800;color:var(--navy);line-height:1;letter-spacing:-.03em}
.note{color:var(--muted);font-size:.92rem;margin-top:.35rem}
.dur{color:var(--body);font-weight:600;font-size:.92rem;margin-top:.6rem}
.price ul{list-style:none;padding:0;margin:1.4rem 0 0;text-align:left;
          display:flex;flex-direction:column;gap:.55rem}
.price li{padding-left:1.6rem;position:relative;font-size:.95rem}
.price li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:800}

/* zones */
.zone .chips{list-style:none;padding:0;margin:1rem 0 0;display:flex;flex-wrap:wrap;gap:.5rem}
.zone .chips li{background:var(--blue-l);color:var(--navy);border-radius:999px;
                padding:.32rem .8rem;font-size:.87rem;font-weight:600}

/* final */
.final{background:var(--navy);color:#fff;text-align:center;padding:3.75rem 1.25rem}
.final h2{color:#fff}
.final p{color:#d6e2fb;margin:.8rem 0 1.8rem}

/* page contact */
.pagehead{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:3rem 0;text-align:center}
.pagehead p{color:var(--muted);margin-top:.6rem}
.contactgrid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:3rem;align-items:start}
.form{display:flex;flex-direction:column;gap:1.1rem;margin-top:1.6rem}
.form label{display:flex;flex-direction:column;gap:.4rem;font-weight:650;color:var(--ink);font-size:.95rem}
.form input,.form select,.form textarea{font:inherit;font-weight:400;color:var(--ink);
  padding:.7rem .85rem;border:1px solid #cbd5e1;border-radius:8px;background:#fff;width:100%}
.form textarea{resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px}
.form .btn{align-self:flex-start;margin-top:.4rem}
.ok{background:var(--ok-bg);color:var(--ok-fg);border:1px solid #a7f3d0;
    padding:.9rem 1.1rem;border-radius:8px;margin-top:1.2rem;font-weight:600}
.err{background:var(--err-bg);color:var(--err-fg);border:1px solid #fecaca;
     padding:.9rem 1.1rem;border-radius:8px;margin-top:1.2rem;font-weight:600}
.coords{background:var(--bg-alt);border:1px solid var(--line);border-radius:10px;padding:1.75rem}
.coords h2{font-size:1.3rem}
.coords p{margin-top:1.2rem;font-size:.95rem}
.coords strong{color:var(--ink)}

/* footer */
.foot{background:#0f172a;color:#94a3b8;margin-top:0;padding:2.75rem 0 1.5rem;font-size:.92rem}
.footgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:2rem}
.foot strong{color:#fff;display:block;margin-bottom:.5rem}
.foot a{color:#cbd5e1}
.copy{border-top:1px solid #1e293b;margin-top:2rem;padding-top:1.25rem;font-size:.85rem}

@media (max-width:820px){
  .contactgrid{grid-template-columns:1fr;gap:2rem}
  .hero{padding:3.25rem 0 3rem}
}