:root{
  --bg:#070a11;
  --bg2:#0b1020;
  --surface: rgba(255,255,255,.04);
  --surface2: rgba(255,255,255,.06);
  --line: rgba(255,255,255,.10);

  --text:#eef2ff;
  --muted:#b8c2e1;

  --accent:#ff8a00;
  --accent2:#ffb35c;
  --blue:#7aa6ff;

  --radius:18px;
  --shadow: 0 18px 52px rgba(0,0,0,.55);
  --shadow2: 0 10px 26px rgba(0,0,0,.40);
  --container: 1120px;
  --focus: 0 0 0 3px rgba(255,138,0,.28);
}

*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color:var(--text);
  line-height:1.55;
  background:
    radial-gradient(900px 600px at 16% 6%, rgba(255,138,0,.14), transparent 58%),
    radial-gradient(900px 620px at 84% 16%, rgba(122,166,255,.12), transparent 60%),
    radial-gradient(720px 520px at 80% 80%, rgba(255,179,92,.08), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

img{max-width:100%; height:auto; display:block}
a{color:inherit; text-decoration:none}
a:hover{opacity:.96}

.container{
  width:min(var(--container), calc(100% - 44px));
  margin-inline:auto;
}

.skip-link{
  position:absolute; left:-999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:16px; top:16px; width:auto; height:auto;
  background:#fff; color:#000; padding:10px 12px; border-radius:12px;
}

.site-header{
  position:sticky; top:0; z-index:50;
  background: rgba(7,10,17,.62);
  backdrop-filter: blur(12px);
  border-bottom:1px solid var(--line);
}

.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:18px;
  padding:6px 0;
}

.brand{
  display:flex; align-items:center;
  padding:1px 0;
}
.brand img{
  height:100px;               /* LOGO GRAND ET LISIBLE */
  width:auto;
  /*filter: drop-shadow(0 10px 22px rgba(0,0,0,.55));*/
  filter: drop-shadow(0 10px 22px rgba(0,0,0,.55)) brightness(1.1) contrast(1.22); /* Ajustez pour atténuer le blanc */
}
.brand:focus-visible{outline:none; box-shadow: var(--focus); border-radius:14px}

.nav{
  display:flex; align-items:center; gap:14px;
}
.nav a{
  color:var(--muted);
  padding:10px 10px;
  border-radius:12px;
  border:1px solid transparent;
}
.nav a:hover{
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.10);
}
.nav a[aria-current="page"]{
  color:var(--text);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
}
.nav .cta{
  padding:10px 14px;
  border-radius:999px;
  color:#1a1208;
  font-weight:800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border:1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow2);
}

.nav-toggle{
  display:none;
}

@media (max-width: 768px){
  .nav{
    position:absolute; top:100%; left:0; right:0; z-index:10;
    background: rgba(7,10,17,.9);
    backdrop-filter: blur(12px);
    flex-direction:column; align-items:stretch; gap:0;
    padding:16px;
    border-radius:0 0 18px 18px;
    border:1px solid var(--line); border-top:none;
    display:none;
  }
  .nav.open{
    display:flex;
  }
  .nav a{
    padding:12px 16px; border-radius:12px; text-align:center;
    /*background: rgba(255,255,255,.05);*/
  }
  .nav-toggle{
    display:block; background:none; border:none; cursor:pointer;
    padding:8px; border-radius:8px; color:var(--text);
  }
  .hamburger{
    display:block; width:24px; height:2px; background:var(--text);
    position:relative; transition:background 0.3s ease;
  }
  .hamburger::before, .hamburger::after{
    content:''; position:absolute; width:24px; height:2px; background:var(--text);
    transition:all 0.3s ease;
  }
  .hamburger::before{ top:-8px; }
  .hamburger::after{ top:8px; }
  .nav-toggle[aria-expanded="true"] .hamburger{ background:transparent; }
  .nav-toggle[aria-expanded="true"] .hamburger::before{ transform:rotate(45deg); top:0; }
  .nav-toggle[aria-expanded="true"] .hamburger::after{ transform:rotate(-45deg); top:0; }
}

main{min-height:65vh}

.hero{
  position:relative;
  padding:66px 0 34px;
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.18fr .82fr;
  gap:20px;
  align-items:stretch;
}

.kicker{
  margin:0 0 10px;
  color:var(--muted);
  letter-spacing:.16em;
  text-transform: uppercase;
  font-size:12px;
}

h1{
  margin:0 0 12px;
  font-size: clamp(36px, 4vw, 58px);
  line-height:1.04;
  letter-spacing: -0.02em;
}
.lead{
  margin:0;
  color:var(--muted);
  font-size:18px;
  max-width: 64ch;
}

.hero-actions{
  display:flex; gap:12px; flex-wrap:wrap;
  margin-top:18px;
}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  font-weight:800;
  letter-spacing:.01em;
  transition: transform .08s ease, background .12s ease, border-color .12s ease, filter .12s ease;
}
.btn:active{transform: translateY(1px)}
.btn-primary{
  color:#1a1208;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: var(--shadow2);
}
.btn-primary:hover{filter:saturate(1.05)}
.btn-ghost{
  color:var(--text);
  background: rgba(255,255,255,.03);
}
.btn-ghost:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.18);
}

.hero-metrics{
  list-style:none;
  padding:0;
  margin:22px 0 0;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.hero-metrics li{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding:10px 12px;
  min-width: 170px;
}
.hero-metrics strong{display:block}
.hero-metrics span{display:block; color:var(--muted); font-size:14px}

.card{
  border:1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}

.hero-side{
  position:relative;
  height:100%;
  min-height: 280px;
}
.hero-side .card{
  height:100%;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.hero-side h2{margin:0; font-size:18px}
.hero-side p{margin:0; color:var(--muted)}

.pills{
  display:flex; flex-wrap:wrap; gap:8px; margin-top:8px;
}
.pill{
  display:inline-flex; align-items:center;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  font-size:13px;
}

/* Hero illustration */
.hero-illustration{
  position:absolute;
  inset:-40px -40px -60px -40px;
  pointer-events:none;
  opacity:.88;
  filter: saturate(1.05);
}
.hero-glow{
  position:absolute;
  width: 680px; height: 680px;
  right:-280px; top:-260px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,138,0,.26), transparent 55%),
    radial-gradient(circle at 70% 55%, rgba(122,166,255,.16), transparent 60%);
  filter: blur(12px);
  pointer-events:none;
}

.section{padding:56px 0}
.section--alt{
  background: rgba(255,255,255,.02);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
h2{margin:0 0 18px; font-size:26px; letter-spacing:-.01em}
h3{margin:0 0 8px; font-size:18px}
.prose{color:var(--muted); max-width: 90ch}

.grid3{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px}
.grid2{display:grid; grid-template-columns: repeat(2, 1fr); gap:14px}
.grid3 .card, .grid2 .card{padding:16px}

.link{color: var(--accent2); font-weight:800}

.page-title{padding:40px 0 10px}
.page-title h1{font-size: clamp(30px, 3.2vw, 46px)}
.breadcrumb{color:var(--muted); font-size:14px}

.form{display:grid; gap:12px; max-width:720px}
.field{display:grid; gap:6px}
label{color:var(--muted); font-size:14px}
input, textarea{
  font: inherit;
  color: var(--text);
  background: rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  padding:12px 12px;
  outline:none;
}
textarea{min-height: 140px; resize: vertical}
input:focus, textarea:focus{box-shadow: var(--focus); border-color: rgba(255,138,0,.40)}

.site-footer{
  padding:28px 0;
  border-top:1px solid var(--line);
  background: rgba(7,10,17,.55);
}
.footer-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; flex-wrap:wrap;
}
.footer-links{display:flex; gap:16px; color:var(--muted)}
.site-version{color:var(--muted); font-size:14px; margin-left:8px}

@media (max-width: 920px){
  .hero-inner{grid-template-columns: 1fr}
  .hero-glow{right:-340px}
  .brand img{height:60px}
}
@media (max-width: 620px){
  .brand img{height:56px}
  .grid3{grid-template-columns: 1fr}
  .grid2{grid-template-columns: 1fr}
}