:root{
  --bg:#0b1220;
  --card:#111a2e;
  --text:#eef2fb;
  --muted:#aab5cc;
  --accent:#6ea8ff;
  --border: rgba(255,255,255,.10);
  --radius: 16px;
  --max: 1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(110,168,255,.22), transparent 55%),
    radial-gradient(900px 500px at 80% 10%, rgba(124,243,208,.16), transparent 55%),
    var(--bg);
}

a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 18px}

header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,18,32,.75);
  border-bottom:1px solid var(--border);
  backdrop-filter: blur(10px);
}
.nav{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:44px;height:44px;object-fit:cover;border-radius:12px;border:1px solid var(--border)}
.brand .name{font-weight:800;letter-spacing:.2px;line-height:1}
.brand .tag{font-size:12px;color:var(--muted)}

.menu{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.menu a{
  padding:10px 10px;border-radius:12px;color:var(--muted)
}
.menu a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.menu a.active{background:rgba(255,255,255,.08);color:var(--text)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),#7cf3d0);
  color:#07101f;font-weight:800;border:0;cursor:pointer;
}
.btn:hover{filter:brightness(1.02);transform:translateY(-1px)}
.btn.ghost{
  background:transparent;color:var(--text);
  border:1px solid var(--border);
}
.btn.full{width:100%}

.hero {
  position: relative;
  min-height: 90vh; /* prend presque tout l'écran */
  display: flex;
  align-items: center;
  background-size: 110%;
background:
  linear-gradient(
    to right,
    rgba(0,0,0,0.75) 0%,
    rgba(0,0,0,0.6) 40%,
    rgba(0,0,0,0.3) 100%
  ),
  url("assets/avant-apres.jpg") center/cover no-repeat;
}

/* Pour que le contenu passe au-dessus */
.hero > * {
  position: relative;
  z-index: 1;
}
.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:18px;align-items:start}
h1{font-size:clamp(32px,4vw,50px);line-height:1.05;margin:0 0 12px}
.lead{color:var(--muted);font-size:18px;margin:0 0 18px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}

.card{
  background:rgba(17,26,46,.78);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 14px 30px rgba(0,0,0,.25);
}
.kpis{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.kpis span{padding:8px 10px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.03)}

.section{padding:44px 0}
.section.alt{
  background:rgba(255,255,255,.02);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
h2{margin:0 0 10px;font-size:28px}
p{margin:0 0 12px}
.muted{color:var(--muted)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:14px}

.list{margin:10px 0 0;padding-left:18px;color:var(--muted)}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:999px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--muted);font-size:14px
}

.form label{display:block;margin-bottom:12px;color:var(--muted);font-size:14px}
input,textarea{
  width:100%;margin-top:6px;padding:12px;
  border-radius:12px;border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--text);outline:none;
}
input:focus,textarea:focus{border-color:rgba(110,168,255,.55)}
.small{font-size:12px;color:var(--muted)}

footer{padding:22px 0;color:var(--muted)}
.footer-flex{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
}.card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 10px;
}