:root{
  --brand:#a00000; /* rouge historique Dupré */
  --brand-dark:#800000;
  --grey:#5f6368; /* gris historique */
  --ink:#0f172a;
  --muted:#6b7280;
  --bg:#fafafa;
  --ring:rgba(160,0,0,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial;
  line-height:1.6;
  color:var(--ink);
  background:linear-gradient(180deg,#fff,#fafafa)
}
.container{max-width:1120px;margin:0 auto;padding:24px}

/* Header / nav */
.topbar{
  background:var(--brand);
  color:#fff;
  position:sticky;
  top:0;
  z-index:1000;
}
.header{
  display:flex;
  align-items:center;
  gap:18px;
  padding:14px 0;
  flex-wrap:wrap;
}
.header img{
  height:68px;
  width:auto;
  border-radius:10px;
}
.brand-wrap{
  display:flex;
  flex-direction:column;
}
.brand{
  font-weight:800;
  font-size:clamp(18px,2.6vw,28px);
  letter-spacing:.2px;
}
.sub{
  font-size:12px;
  color:#ffe8e8;
}
nav{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  margin-left:auto;
}
nav a{
  color:#fff;
  text-decoration:none;
  font-weight:700;
  border-bottom:2px solid transparent;
  padding:6px 2px;
}
nav a:hover{border-color:#fff}
.call{
  margin-left:auto;
  display:flex;
  gap:10px;
  align-items:center;
}
.call a{
  color:#fff;
  text-decoration:none;
  font-weight:800;
}

/* Retirement banner */
.banner{
  background:#fff5f5;
  border:1px solid #fecaca;
  color:#7f1d1d;
  border-radius:12px;
  padding:10px 14px;
  margin:16px 0
}

/* Hero */
.hero{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:28px;
  align-items:center
}
.card{
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:18px;
  box-shadow:0 10px 30px rgba(0,0,0,.06)
}
.hero .left{padding:22px}
.hero h1{
  font-size:clamp(28px,4.4vw,44px);
  line-height:1.1;
  margin:8px 0 8px
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--ring);
  padding:6px 10px;
  border-radius:999px;
  font-size:13px;
  color:var(--muted)
}
.prices{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:800;
  color:#fff;
  background:var(--brand);
  border-radius:999px;
  padding:8px 12px
}
.pill.gray{background:var(--grey)}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}
.btn{
  appearance:none;
  border:none;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  border-radius:12px;
  padding:12px 16px;
  text-decoration:none
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-outline{background:#fff;color:var(--brand);border:2px solid var(--brand)}

/* Sections */
section h2{font-size:clamp(20px,2.6vw,28px);margin:26px 0 10px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{padding:18px;border-radius:16px;border:1px solid #e5e7eb;background:#fff}
.zones{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* Breadcrumbs */
.breadcrumbs{font-size:14px;color:var(--muted);margin:10px 0}
.breadcrumbs a{text-decoration:none;color:var(--brand)}

/* FAQ */
.faq details{border:1px solid #e5e7eb;background:#fff;border-radius:12px;padding:12px;margin:10px 0}
.faq summary{font-weight:700;cursor:pointer}

/* Footer */
footer{margin-top:36px;padding:24px 0;color:#475569;font-size:14px;border-top:1px solid #e2e8f0}

/* Responsive */
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .zones{grid-template-columns:1fr}
}

/* Mobile centré et esthétique */
@media (max-width:768px){
  .header{
    flex-direction:column;
    justify-content:center;
    text-align:center;
    gap:10px;
  }
  .header img{
    height:56px;
  }
  .brand-wrap{
    align-items:center;
  }
  nav{
    width:100%;
    justify-content:center;
    margin-left:0;
    gap:16px;
  }
  nav a{
    padding:8px 4px;
    font-size:16px;
  }
  .call{
    margin-left:0;
    justify-content:center;
    width:100%;
  }
  .call a{
    background:#16a34a;
    padding:10px 14px;
    border-radius:10px;
  }
}