/* v9.3 — fond sombre #161b33, rail sticky, wix retiré */
:root{
  --bg:#161b33;
  --surface:#171b31;
  --surface-2:#1d2240;
  --text:#f2f6fb;
  --muted:#b0bad1;
  --link:#d6e7ff;
  --link-hover:#ffffff;
  --accent:#3b82f6;
  --accent-strong:#2563eb;
  --danger:#ef4444;
  --ok:#22c55e;
  --radius:18px;
  --shadow: 0 12px 34px rgba(0,0,0,.30);
  --gap: 18px;
  --gap-lg: 22px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height:1.7;
}

a{color:var(--link);text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--link-hover)}
.muted{color:var(--muted)}

.container{max-width:1100px;margin:0 auto;padding:28px 22px}

h1{font-size:clamp(2rem, 2.4vw + 1rem, 2.6rem);margin:0 0 8px}
h2{font-size:1.3rem;margin:0 0 12px}
h3{font-size:1.1rem;margin:0 0 10px}
.inline-guarantees{color:var(--muted);margin:0 0 var(--gap-lg)}

.layout{display:grid;grid-template-columns: 170px minmax(0, 2.1fr) minmax(260px,1fr);gap:var(--gap-lg);align-items:start}
.layout--rail{grid-template-areas: 'rail main side'}

/* Sticky logo rail */
.logo-rail{grid-area: rail;display:flex;flex-direction:column;gap:16px;position:sticky;top:30px}
.logo-rail .logo{width:100%;background:#1e2344;border:1px solid #3a4687;border-radius:14px;padding:10px;box-shadow: var(--shadow);overflow:hidden}
.logo-rail img{display:block;width:100%;height:110px;object-fit:contain}

.card{background:var(--surface);border:1px solid #22284a;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);margin-bottom:var(--gap-lg)}
.card.primary{padding:26px}
.card.inner{background:var(--surface-2);border-color:#2a315a;margin-top:18px}

.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:10px}
.field{display:flex;flex-direction:column;gap:10px}
.field--full{grid-column:1/-1}
label{font-weight:800}
.req{color:var(--danger)}
.hint{color:var(--muted);font-size:.9rem}

input,select,textarea{background:#111633;color:var(--text);border:1px solid #2b3566;border-radius:12px;padding:14px 14px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,.18)}
textarea{resize:vertical}
.hp{position:absolute;left:-10000px;opacity:0;height:0;width:0}

/* Engaging primary button */
.btn{
  background:linear-gradient(90deg,var(--accent),var(--accent-strong));
  color:white;border:0;border-radius:14px;
  padding:14px 18px;font-weight:900;cursor:pointer;
  display:inline-flex;align-items:center;gap:10px;
  transition:transform .06s ease,filter .2s ease, box-shadow .2s ease;
  box-shadow:0 8px 18px rgba(37,99,235,.25);
  margin-top:12px;
}
.btn:hover{filter:brightness(1.08); box-shadow:0 10px 26px rgba(37,99,235,.32)}
.btn:active{transform:translateY(1px)}
.btn__icon{transform:translateY(1px)}
.status{margin-top:12px;min-height:24px}

.footer-band{background:#0d1126;border-top:1px solid #222741;color:var(--muted)}
.band-grid{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer-links{display:flex;gap:14px;flex-wrap:wrap}
.footer-links a{color:var(--link)}
.footer-links a[aria-disabled="true"]{opacity:.7;cursor:not-allowed;text-decoration:line-through}

/* Sidebar blocks */
.sidebar .card{margin-bottom:var(--gap-lg)}
.checklist{margin:0;padding-left:20px}

.seo-bottom p{margin:0}

/* Responsive */
@media (max-width:1100px){
  .layout{grid-template-columns: 1fr;grid-template-areas: 'main' 'side'}
  .logo-rail{display:none}
}
@media (max-width:720px){
  .grid{grid-template-columns:1fr}
}