:root{
  --bg:#F8FAFC;
  --card:#FFFFFF;
  --border:#E5E7EB;
  --text:#0F172A;
  --muted:#475569;

  --primary:#1A2B48;          /* Bleu profond */
  --action:#4F46E5;           /* Indigo électrique */
  --action2:#6366F1;
  --danger:#F87171;           /* Corail doux */
  --success:#10B981;

  --shadow: 0 10px 25px rgba(15,23,42,.08);
  --radius: 18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color:var(--text);
  background:linear-gradient(180deg, #F8FAFC 0%, #F3F4F6 100%);
}
a{color:inherit}
.container{max-width:1120px;margin:0 auto;padding:0 20px}

header.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(180%) blur(14px);
  background:rgba(248,250,252,.78);
  border-bottom:1px solid rgba(229,231,235,.7);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;gap:16px
}
.brand{
  display:flex;align-items:center;gap:12px;
  font-weight:950;letter-spacing:-.02em;text-decoration:none
}
.logo{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg, var(--action), #A855F7);
  box-shadow:0 10px 26px rgba(79,70,229,.28)
}
.navlinks{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.navlinks a{
  text-decoration:none;color:var(--muted);font-weight:900;font-size:14px;
  padding:8px 10px;border-radius:12px
}
.navlinks a:hover{background:rgba(79,70,229,.08);color:var(--action)}
.navcta{display:flex;gap:10px;align-items:center}

.pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 12px;border-radius:999px;
  background:rgba(99,102,241,.10); color:var(--action);
  border:1px solid rgba(99,102,241,.25);
  font-weight:950;font-size:12px;letter-spacing:.03em;text-transform:uppercase
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 16px;border-radius:14px;border:1px solid var(--border);
  background:#fff;color:var(--text);font-weight:950;text-decoration:none;
  box-shadow:0 6px 18px rgba(15,23,42,.06);
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
  cursor:pointer;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,23,42,.10)}
.btn.primary{background:var(--action);border-color:transparent;color:#fff}
.btn.primary:hover{background:var(--action2)}
.btn.ghost{background:transparent}
.btn.small{padding:9px 12px;border-radius:12px;font-size:13px}

.section{padding:26px 0}
.hero{padding:26px 0 14px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:start}
h1{font-size:46px;line-height:1.05;letter-spacing:-.03em;margin:14px 0 10px}
.lead{font-size:18px;color:var(--muted);line-height:1.6;margin:0 0 14px}
.micro{font-size:13px;color:var(--muted);font-weight:800;margin-top:8px}
.microline{font-size:13px;color:var(--muted);font-weight:900;margin-top:12px}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px;
}
.card h2{margin:0 0 10px 0;font-size:22px;letter-spacing:-.02em}
.card h3{margin:0 0 8px 0;font-size:16px}
.card p{margin:0;color:var(--muted);line-height:1.65}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}

.proofbar{
  display:flex;gap:10px;flex-wrap:wrap;margin-top:10px
}
.proof{
  padding:10px 12px;border-radius:14px;border:1px solid var(--border);
  background:#fff;font-weight:950;color:var(--muted);
  box-shadow:0 10px 25px rgba(15,23,42,.05);
}

.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px
}
.step{
  background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px;
  box-shadow:0 10px 25px rgba(15,23,42,.05);
}
.step b{display:block;margin-bottom:6px}

.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 10px;border-radius:999px;border:1px solid rgba(16,185,129,.25);
  background:rgba(16,185,129,.10);color:#047857;font-weight:950;font-size:12px
}

.pricing{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch
}
.plan .price{font-size:28px;font-weight:1000;letter-spacing:-.02em;margin:10px 0}
.plan .price small{font-size:12px;color:var(--muted);font-weight:900}
.plan ul{margin:10px 0 0 18px;color:var(--muted);line-height:1.7}
.plan .btn{margin-top:14px;width:100%}
.plan.featured{border:2px solid rgba(79,70,229,.35)}
.badge{
  display:inline-flex;align-items:center;
  padding:6px 10px;border-radius:999px;
  font-weight:1000;font-size:12px;
  background:rgba(79,70,229,.10);
  border:1px solid rgba(79,70,229,.25);
  color:var(--action);
  margin-bottom:10px;
}

.faq details{
  border:1px solid var(--border);
  border-radius:14px;background:#fff;padding:12px 14px;margin-bottom:10px;
}
.faq summary{cursor:pointer;font-weight:1000}
.faq p{color:var(--muted);margin:10px 0 0;line-height:1.6}

hr.sep{border:none;border-top:1px solid rgba(229,231,235,.85);margin:18px 0}

.footer{padding:28px 0;color:var(--muted);font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px;align-items:start}
.smallnote{font-size:12px;color:var(--muted);font-weight:800}

.notice{
  padding:12px 14px;border-radius:14px;border:1px solid rgba(248,113,113,.25);
  background:rgba(248,113,113,.12);color:#991B1B;font-weight:950
}
.topbanner{
  background:rgba(16,185,129,.10);
  border-bottom:1px solid rgba(16,185,129,.18);
}
.topbanner .wrap{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 0;
  font-weight:950;color:#047857
}
.topbanner .wrap .actions{display:flex;gap:10px;align-items:center}

@media (max-width: 980px){
  h1{font-size:38px}
  .hero-grid{grid-template-columns:1fr}
  .grid3,.grid2,.steps,.pricing{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}