:root{
  --bg:#070a13; --bg2:#0b1222; --card:#0e172a; --line:#1b2744;
  --text:#eaf2ff; --muted:#9fb0d0;
  --brand:#0f2a4d; --brand2:#0f2a4d;   /* bleu marine */
  --accent:#d9b243;                    /* or */
  --shadow: 0 10px 30px rgba(0,0,0,.35), inset 0 1px rgba(255,255,255,.02);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}

body{
  background:
    radial-gradient(1200px 600px at 80% -10%, #13203e 0%, transparent 60%),
    radial-gradient(900px 400px at -20% 0%, #0f1b33 0%, transparent 60%),
    var(--bg);
  color:var(--text);
  font:16px/1.55 Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.wrap{max-width:1120px;margin:0 auto;padding:0 18px}

a{color:#89d1ff;text-decoration:none}
a:hover{opacity:.95}

/* Liens externes */
a[target="_blank"]::after{
  content:" ↗";
  font-size:12px;
  opacity:.6;
}

/* Buttons */
.btn{
  display:inline-block;
  padding:12px 18px;
  border-radius:14px;
  border:1px solid transparent;
  transition:transform .08s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
  background:linear-gradient(135deg, var(--accent), #f0d37a);
  color:#0a0f1a;
  font-weight:800;
  letter-spacing:.2px;
  box-shadow:0 6px 18px rgba(217,178,67,.25);
}
.btn:hover{transform:translateY(-1px) scale(1.01); box-shadow:0 10px 26px rgba(217,178,67,.35)}
.btn.btn-ghost, .btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:#2a3a5a;
  backdrop-filter:saturate(130%) blur(6px);
  box-shadow:none;
}
.btn.btn-ghost:hover, .btn-ghost:hover{
  background:rgba(255,255,255,.05);
}

/* ===== HEADER (single source of truth) ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:999;
  border-bottom:1px solid rgba(255,255,255,.08);
  background:rgba(7,10,19,.70);
  backdrop-filter:saturate(140%) blur(10px);
}

.site-header .header-wrap{
  /* on réutilise .wrap + on ajoute layout */
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 18px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  letter-spacing:.08em;
  white-space:nowrap;
  color:var(--text);
}
.brand-icon{display:block;border-radius:10px}
.brand-word{color:var(--text);font-weight:900}

/* NAV */
.site-nav{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.site-nav a{
  color:rgba(232,238,252,.92);
  text-decoration:none;
  font-size:14px;
  padding:8px 10px;
  border-radius:10px;
  white-space:nowrap;
  transition:background .15s ease, color .15s ease;
}
.site-nav a:hover{
  background:rgba(255,255,255,.06);
  color:#fff;
}

/* CTA Investir (si tu utilises class="btn primary") */
.site-nav a.btn.primary{
  background:linear-gradient(135deg, var(--accent), #f0d37a);
  color:#0a0f1a;
  border:1px solid transparent;
  padding:10px 14px;
  border-radius:12px;
  font-weight:900;
  box-shadow:0 6px 18px rgba(217,178,67,.25);
}

/* HERO / CARDS */
.hero{padding:90px 0 60px}

.card{
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01)), var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  padding:24px;
  box-shadow:var(--shadow);
}
.hero .card{
  border-radius:22px;
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(1200px 400px at 50% -20%, rgba(217,178,67,.12) 0%, transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01)),
    var(--card);
}
.hero .card::before{
  content:"";
  position:absolute;
  inset:-2px;
  pointer-events:none;
  background:
    radial-gradient(600px 180px at 20% -20%, rgba(217,178,67,.18), transparent 60%),
    radial-gradient(800px 260px at 110% -30%, rgba(106,168,255,.18), transparent 60%);
}

h1{font-size:48px;line-height:1.08;margin:0 0 14px;letter-spacing:.2px}
h2{font-size:26px;margin:0 0 10px}
h3{font-size:20px;margin:0 0 10px}
p{margin:0 0 12px}

.muted,.notice{color:var(--muted)}
.kpi{font-size:30px;font-weight:900}

/* Grids */
.grid{display:grid;gap:18px}
.grid.col-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.col-2{grid-template-columns:repeat(2,minmax(0,1fr))}

.emphasis{
  border-color: rgba(137,209,255,.35);
  box-shadow: 0 0 0 1px rgba(137,209,255,.18) inset, var(--shadow);
}

.cta-row{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.badges{display:flex;gap:12px;margin-top:16px;color:#9bd3ff;flex-wrap:wrap}
.badges span{
  border:1px solid #244065;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(155,211,255,.06)
}

.section{padding:48px 0}

/* Forms */
.form{display:grid;gap:12px}
input,select,textarea{
  width:100%;
  padding:12px;
  border-radius:12px;
  border:1px solid #2a3a5a;
  background:#0d1426;
  color:var(--text);
  box-shadow:inset 0 1px rgba(255,255,255,.03)
}
input:focus,select:focus,textarea:focus{
  outline:none;
  border-color:#3f6fb3;
  box-shadow:0 0 0 3px rgba(106,168,255,.15)
}

.site-footer{
  border-top:1px solid var(--line);
  padding:26px 0;
  color:#9fb0d0
}

ul li::marker{color:var(--accent)}

/* Sticky CTA mobile */
.sticky-cta{
  position:fixed;
  left:0; right:0;
  bottom:12px;
  z-index:20;
  display:flex;
  gap:8px;
  justify-content:center;
  padding:0 14px;
}
@media (min-width:901px){ .sticky-cta{display:none} }

/* Responsive */
@media (max-width:980px){
  .site-header .header-wrap{
    flex-direction:column;
    align-items:flex-start;
  }
  .site-nav{
    width:100%;
    justify-content:flex-start;
  }
}
@media (max-width:900px){
  .grid.col-3,.grid.col-2{grid-template-columns:1fr}
  h1{font-size:36px}
}
.sticky-cta .bar{
  width:100%;
  max-width:560px;
  display:flex;
  gap:10px;
  justify-content:center;
  padding:10px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:16px;
  background:rgba(7,10,19,.75);
  backdrop-filter: blur(10px);
}