:root{
  --bg:#0b0b0f;
  --panel:#12121a;
  --muted:#a9a9b2;
  --accent:#e50914;
  --accent-2:#b0060f;
  --fg:#ffffff;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Apple Color Emoji","Segoe UI Emoji", "Segoe UI Symbol";
  color:var(--fg);
  background: radial-gradient(80% 80% at 70% 10%, #15151e 0%, #0b0b0f 60%) fixed;
}
.container{max-width:1100px;margin:0 auto;padding:20px}
.bg{position:fixed;inset:0;pointer-events:none;background:
  radial-gradient(40% 30% at 20% 10%, rgba(229,9,20,.12), transparent 60%),
  radial-gradient(25% 20% at 80% 0%, rgba(229,9,20,.10), transparent 60%);
  filter:saturate(110%);}
.site-header{display:flex;align-items:center;justify-content:center;padding:28px 20px}
.h1-sub {
  font-size: 0.9em; /* 60% de la taille du H1 */
  font-weight: 400; /* plus léger que le titre */
  color: #c9cad6;   /* option : un gris plus doux */
}
.logo{width:220px;height:auto;display:block;filter:drop-shadow(0 6px 18px rgba(229,9,20,.15));}
.hero{padding:20px 0 10px;text-align:center}
h1{font-size:clamp(28px,3.2vw,44px);line-height:1.15;margin:10px 0 10px}
.lead{max-width:900px;margin:0 auto;color:var(--muted);font-size:clamp(16px,1.8vw,19px)}
.newsletter{margin:26px auto 10px;display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;justify-content:center}
.field{display:flex;flex-direction:column;gap:6px;min-width:280px;width:min(520px,90%)}
label{font-weight:600;color:#d6d6df}
input[type=email]{border:1px solid #2a2a35;background:#0f0f15;color:#fff;border-radius:12px;padding:14px 16px;font-size:16px;outline:none}
input[type=email]::placeholder{color:#787887}
.hnpt{position:absolute;left:-9999px}
.btn{appearance:none;border:0;border-radius:12px;background:var(--accent);color:#fff;font-weight:700;padding:14px 18px;cursor:pointer;transition:transform .06s ease, background .2s}
.btn:hover{background:var(--accent-2)}
.btn:active{transform:translateY(1px)}
.hint{width:100%;text-align:center;color:#9ea0aa;margin:2px 0 0;font-size:12.5px}
.seo-blocks{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:34px 0}
.card{background:var(--panel);border:1px solid #1e1e27;border-radius:16px;padding:18px}
.card h2{font-size:20px;margin:0 0 6px}
.card p{color:#c9cad6}
.tags{list-style:none;padding:0;margin:12px 0 0;display:flex;flex-wrap:wrap;gap:10px}
.tags li{background:#1a1a24;border:1px solid #2b2b38;border-radius:999px;padding:8px 12px;font-size:14px;color:#ddd}
.keywords{color:#aeb0bc;font-size:14px}
.faq{margin:28px 0 34px}
.faq h2{margin:0 0 10px}
details{background:#0f0f15;border:1px solid #1f1f2a;border-radius:12px;padding:10px 14px;margin:10px 0}
summary{cursor:pointer;font-weight:600}
.site-footer{border-top:1px solid #1f1f28;margin-top:20px;padding:22px 0 40px;text-align:center;color:#a6a8b2}
.footer-nav{display:flex;gap:16px;justify-content:center;margin-bottom:6px}
.footer-nav a{color:#c5c6d2;text-decoration:none}
.footer-nav a:hover{color:#fff;text-decoration:underline}
@media (prefers-reduced-motion:no-preference){
  .btn:hover{box-shadow:0 10px 30px rgba(229,9,20,.18)}


}