:root{
  --ink:#0B0B0D; --ink-2:#2A2A2E; --muted:#6B6B72; --line:#E6E6EA;
  --paper:#FFFFFF; --wash:#F5F5F7; --rouge:#E01023;
  --r:18px; --w:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;line-height:1.6}
a{color:inherit}
img{max-width:100%;display:block}
:focus-visible{outline:3px solid var(--rouge);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 22px}

/* ---- barre ---- */
.bar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;gap:18px;height:64px}
.bar img{height:28px;width:auto}
.bar nav{margin-left:auto;display:flex;gap:22px;font-size:15px;font-weight:600}
.bar nav a{text-decoration:none;color:var(--ink-2)}
.bar nav a:hover{color:var(--rouge)}
@media (max-width:640px){.bar nav a.opt{display:none}}

/* ---- ouverture ---- */
.hero{background:var(--ink);color:#fff;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:72px;padding-bottom:80px}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:56px}}
.live{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;padding:6px 12px;border:1px solid rgba(255,255,255,.22);border-radius:999px}
.live i{width:9px;height:9px;border-radius:50%;background:var(--rouge);box-shadow:0 0 0 0 rgba(224,16,35,.6);
  animation:pouls 1.8s infinite}
@keyframes pouls{70%{box-shadow:0 0 0 10px rgba(224,16,35,0)}100%{box-shadow:0 0 0 0 rgba(224,16,35,0)}}
@media (prefers-reduced-motion:reduce){.live i{animation:none}}
h1{font-size:clamp(40px,6.4vw,76px);line-height:1.02;letter-spacing:-.035em;margin:22px 0 18px;font-weight:800;text-wrap:balance}
h1 em{font-style:normal;color:var(--rouge)}
.hero p.lead{font-size:clamp(17px,2vw,20px);color:#CFCFD4;max-width:34ch;margin:0 0 28px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 20px;border-radius:999px;font-weight:700;
  text-decoration:none;font-size:15px;border:1px solid transparent}
.btn.rouge{background:var(--rouge);color:#fff}
.btn.clair{border-color:rgba(255,255,255,.3);color:#fff}
.btn.sombre{background:var(--ink);color:#fff}

/* écran de téléphone dessiné */
.tel{justify-self:center;width:min(300px,78vw);aspect-ratio:9/18.5;border-radius:38px;background:#1B1B1F;
  border:1px solid #2F2F35;padding:12px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.ecran{height:100%;border-radius:28px;background:linear-gradient(160deg,#3A2A2E 0%,#17171B 60%);position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:space-between;padding:16px}
.ecran .haut{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700}
.ecran .pastille{background:var(--rouge);padding:3px 8px;border-radius:6px;font-size:11px;letter-spacing:.06em}
.ecran .chat{display:flex;flex-direction:column;gap:6px;font-size:12px}
.ecran .chat span{background:rgba(0,0,0,.4);padding:6px 10px;border-radius:12px;width:fit-content;max-width:90%}
.ecran .chat b{margin-right:5px;color:#DADADF}
.ecran .jp{display:flex;gap:8px;margin-top:10px}
.ecran .jp div{flex:1;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:8px;font-size:11px}
.ecran .jp strong{display:block;font-size:13px}

/* ---- sections ---- */
section{padding:84px 0}
section.gris{background:var(--wash)}
.eyebrow{font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--rouge);margin:0 0 10px}
h2{font-size:clamp(30px,4vw,46px);line-height:1.08;letter-spacing:-.025em;margin:0 0 18px;font-weight:800;text-wrap:balance}
.intro{color:var(--muted);max-width:60ch;margin:0 0 44px}
.grille{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:860px){.grille{grid-template-columns:1fr}}
.carte{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.carte h3{margin:0 0 8px;font-size:20px;letter-spacing:-.01em}
.carte p{margin:0;color:var(--ink-2);font-size:16px}
.etape{font-variant-numeric:tabular-nums;font-weight:800;color:var(--rouge);font-size:14px;margin-bottom:12px}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:860px){.duo{grid-template-columns:1fr}}
.duo .carte{padding:32px}
.duo ul{margin:14px 0 0;padding-left:20px;color:var(--ink-2)}
.duo li{margin:6px 0}
.encart{border-left:4px solid var(--rouge);background:var(--paper);border-radius:0 var(--r) var(--r) 0;padding:22px 26px;margin-top:26px}

/* ---- documents ---- */
.doc{max-width:760px;margin:0 auto;padding:56px 22px 90px}
.doc h1{font-size:clamp(34px,5vw,52px);margin:10px 0 8px}
.doc .maj{color:var(--muted);font-size:15px;margin:0 0 34px}
.doc h2{font-size:24px;margin:44px 0 10px;letter-spacing:-.01em}
.doc h3{font-size:18px;margin:26px 0 6px}
.doc p,.doc li{color:var(--ink-2)}
.doc table{width:100%;border-collapse:collapse;font-size:15px;margin:14px 0}
.doc th,.doc td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.doc th{background:var(--wash);font-weight:700}
.table{overflow-x:auto}
.sommaire{background:var(--wash);border-radius:var(--r);padding:18px 22px;font-size:15px}
.sommaire ol{margin:6px 0 0;padding-left:20px}
.en{background:var(--wash);border-radius:var(--r);padding:22px 24px;margin-top:44px}

/* ---- pied ---- */
footer{background:var(--ink);color:#BDBDC3;padding:48px 0;font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
footer img{height:24px;width:auto}
footer nav{display:flex;flex-wrap:wrap;gap:20px}
footer a{color:#fff;text-decoration:none}
footer a:hover{color:var(--rouge)}