:root{
  --ckvd-bg:#080716;
  --ckvd-card:#0f0d24;
  --ckvd-text:#f6f6ff;
  --ckvd-muted:rgba(246,246,255,.72);
  --ckvd-accent:#a855f7; /* violet */
  --ckvd-accent2:#ff4fd8; /* rose néon */
  --ckvd-border:rgba(255,255,255,.10);
  --ckvd-shadow:0 12px 30px rgba(0,0,0,.35);
  --ckvd-radius:18px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  background: radial-gradient(1200px 700px at 20% -10%, rgba(255,79,216,.25), transparent 55%),
              radial-gradient(900px 600px at 90% 0%, rgba(168,85,247,.22), transparent 60%),
              radial-gradient(1200px 800px at 50% 100%, rgba(168,85,247,.12), transparent 60%),
              var(--ckvd-bg);
  color:var(--ckvd-text);
}

a{color:inherit; text-decoration:none}
a:hover{opacity:.95}

.container{
  width:min(1180px, 92vw);
  margin-inline:auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:saturate(140%) blur(16px);
  background: rgba(8,7,22,.75);
  border-bottom:1px solid var(--ckvd-border);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 0;
}

.brand{
  display:flex; align-items:center; gap:12px;
  min-width: 220px;
}
.brand img{height:52px; width:auto; display:block; filter: drop-shadow(0 10px 18px rgba(0,0,0,.35));}
.brand .tagline{font-size:12px; color:var(--ckvd-muted); margin-top:2px}

.nav{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav ul{
  list-style:none; margin:0; padding:0;
  display:flex; gap:6px; flex-wrap:wrap;
}
.nav a{
  display:inline-flex;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid transparent;
  color:rgba(246,246,255,.92);
  font-weight:700;
  letter-spacing:.2px;
}
.nav a:hover{
  border-color: var(--ckvd-border);
  background: rgba(255,255,255,.04);
}

.header-cta{
  display:flex; align-items:center; gap:10px;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid var(--ckvd-border);
  background: rgba(255,255,255,.05);
  color: var(--ckvd-text);
  box-shadow: 0 10px 22px rgba(0,0,0,.18);
  font-weight:800;
}
.btn.primary{
  background: linear-gradient(135deg, var(--ckvd-accent2), var(--ckvd-accent));
  border-color: rgba(255,255,255,.16);
}
.btn.small{padding:8px 10px; border-radius:12px; font-size:14px}

.player{
  display:flex; align-items:center; gap:10px;
  padding:8px 10px;
  border-radius:14px;
  border:1px solid var(--ckvd-border);
  background: rgba(0,0,0,.18);
}
.player label{font-size:12px; color:var(--ckvd-muted)}
.player button{
  border:0; cursor:pointer;
  border-radius:12px;
  padding:8px 10px;
  background: rgba(255,255,255,.06);
  color:var(--ckvd-text);
  font-weight:800;
}
.player button:hover{background: rgba(255,255,255,.09)}
.player .dot{
  width:10px;height:10px;border-radius:999px;
  background: var(--ckvd-accent2);
  box-shadow: 0 0 0 6px rgba(255,79,216,.14);
}

.hero{
  padding:54px 0 26px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:22px;
}
.card{
  background: rgba(15,13,36,.75);
  border:1px solid var(--ckvd-border);
  border-radius: var(--ckvd-radius);
  box-shadow: var(--ckvd-shadow);
}
.hero-card{
  padding:28px;
  position:relative;
  overflow:hidden;
}
.hero-card:before{
  content:"";
  position:absolute; inset:-40%;
  background: radial-gradient(circle at 30% 30%, rgba(255,79,216,.25), transparent 60%),
              radial-gradient(circle at 80% 20%, rgba(168,85,247,.22), transparent 60%);
  transform: rotate(8deg);
}
.hero-card > *{position:relative}
.kicker{
  display:inline-flex;
  gap:10px;
  align-items:center;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--ckvd-border);
  background: rgba(255,255,255,.04);
  color: var(--ckvd-muted);
  font-weight:700;
  font-size:13px;
}
.h1{
  margin:14px 0 10px;
  font-size: clamp(34px, 4vw, 54px);
  line-height:1.05;
  letter-spacing:-.6px;
}
.lead{
  margin: 0 0 16px;
  color: var(--ckvd-muted);
  font-size: 17px;
  line-height: 1.55;
}

.stats{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:12px;
  margin-top:18px;
}
.stat{
  padding:14px;
  border-radius:16px;
  border:1px solid var(--ckvd-border);
  background: rgba(0,0,0,.14);
}
.stat b{display:block; font-size:18px}
.stat span{color:var(--ckvd-muted); font-size:12px}

.side-card{padding:18px}
.side-card h3{margin:6px 0 10px}
.side-card p{margin:0; color:var(--ckvd-muted); line-height:1.55}
.badge{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--ckvd-border);
  background: rgba(255,255,255,.03);
  color: var(--ckvd-muted);
  font-weight:700;
  font-size:12px;
}

.section{padding:26px 0}
.section h2{
  margin:0 0 14px;
  font-size: 26px;
  letter-spacing:-.3px;
}
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.tile{
  padding:18px;
}
.tile h3{margin: 6px 0 8px}
.tile p{margin:0; color:var(--ckvd-muted); line-height:1.55}
.meta-row{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px}
.pill{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--ckvd-border);
  background: rgba(255,255,255,.03);
  color: rgba(246,246,255,.86);
  font-weight:700;
  font-size:12px;
}

.site-footer{
  padding:34px 0;
  border-top:1px solid var(--ckvd-border);
  background: rgba(0,0,0,.18);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:18px;
}
.footer-grid p{color:var(--ckvd-muted); line-height:1.55; margin:10px 0 0}
.footer-links{display:flex; gap:10px; flex-wrap:wrap; align-items:center; justify-content:flex-end}
.footer-links a{opacity:.9}
.footer-links a:hover{opacity:1}

@media (max-width: 920px){
  .hero-grid{grid-template-columns: 1fr}
  .grid-3{grid-template-columns: 1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-links{justify-content:flex-start}
  .nav{display:none}
}