:root{--primary:#1e40af;--dark:#172554;--bg:#f5f6fa;--text:#111827;--muted:#6b7280;--line:#e5e7eb}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:#fff;line-height:1.6}
a{color:var(--primary)}
header.top{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:20}
.logo{text-decoration:none;color:var(--primary);display:inline-flex;align-items:baseline;flex-shrink:0}
.logo .ner{font-size:1.05rem;font-weight:600;letter-spacing:.5px}
.logo .ia{font-size:2rem;font-weight:800;line-height:1}

/* ---- Navigation principale + menus deroulants ---- */
nav.mainnav{display:flex;align-items:center;gap:4px}
.navgroup{position:relative}
.navtop,.navtop-btn{margin-left:14px;text-decoration:none;color:var(--text);font-weight:500;background:none;border:0;font:inherit;cursor:pointer;padding:10px 4px;display:inline-flex;align-items:center;gap:5px}
.navtop-btn::after{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-top:-4px;opacity:.6}
.navgroup.open .navtop-btn::after{transform:rotate(-135deg);margin-top:2px}
.dropdown{display:none;position:absolute;top:100%;left:14px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 28px rgba(23,37,84,.12);padding:8px;min-width:230px}
.navgroup.open .dropdown{display:block}
.dropdown a{display:block;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--text);font-size:.94rem}
.dropdown a:hover,.dropdown a:focus{background:var(--bg)}
.dropdown a small{display:block;color:var(--muted);font-weight:400;font-size:.8rem;margin-top:1px}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:var(--dark);margin:5px 0;border-radius:2px}

/* ---- Fil d'Ariane (retour au menu de base) ---- */
.breadcrumb{max-width:1000px;margin:14px auto 0;padding:0 24px;font-size:.88rem;color:var(--muted)}
.breadcrumb a{color:var(--muted);text-decoration:underline}
.breadcrumb .sep{margin:0 6px}
.btn{display:inline-block;background:var(--primary);color:#fff!important;padding:12px 22px;border-radius:10px;text-decoration:none;font-weight:600;margin:6px 6px 6px 0}
.btn.ghost{background:transparent;color:var(--primary)!important;border:1px solid var(--primary)}
.btn.off{opacity:.55;pointer-events:none}
.hero{background:linear-gradient(135deg,var(--dark),var(--primary));color:#fff;padding:72px 24px;text-align:center}
.hero h1{font-size:clamp(1.9rem,4vw,3rem);margin:0 auto 14px;max-width:820px;line-height:1.2}
.hero p{max-width:640px;margin:0 auto 26px;opacity:.92;font-size:1.1rem}
.hero .btn{background:#fff;color:var(--primary)!important}
.hero .btn.ghost{background:transparent;color:#fff!important;border-color:#fff}
.wrap{max-width:1000px;margin:0 auto;padding:48px 24px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:18px}
nav .btn{margin-left:18px}
.card{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff}
.card h3{margin:0 0 6px;color:var(--dark)}
h2{color:var(--dark)}
.band{background:var(--bg)}
footer{border-top:1px solid var(--line);padding:28px 24px;text-align:center;color:var(--muted);font-size:.9rem}
footer a{color:var(--muted);margin:0 8px}
.legal{max-width:820px;margin:0 auto;padding:36px 24px 60px}
.legal h1{color:var(--dark)}
.legal h2{margin-top:2em;font-size:1.2rem}
.legal .maj{color:var(--muted);font-size:.9rem}
.todo{background:#fff3b0;padding:0 4px;border-radius:4px}
.note{border-left:4px solid var(--primary);background:var(--bg);padding:12px 16px;border-radius:0 8px 8px 0}

/* ---- Tableaux (politique de confidentialité) ---- */
.tbl{width:100%;border-collapse:collapse;font-size:.95rem}
.tbl th,.tbl td{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
.tbl th{background:var(--bg)}

/* ---- Pied de page ---- */
footer p{margin:6px 0}
footer .links{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px}
footer .links a{margin:0;white-space:nowrap}

/* ---- Version mobile ---- */
img,svg{max-width:100%}
@media (max-width:720px){
  header.top{padding:10px 16px;flex-wrap:wrap}
  header.top img{height:28px}
  .burger{display:block}
  nav.mainnav{display:none;width:100%;order:3;flex-direction:column;align-items:stretch;padding-top:10px;border-top:1px solid var(--line);margin-top:10px}
  nav.mainnav.show{display:flex}
  .navgroup{width:100%}
  .navtop,.navtop-btn{margin-left:0;width:100%;justify-content:space-between;padding:12px 4px}
  .dropdown{position:static;box-shadow:none;border:0;border-left:2px solid var(--line);border-radius:0;margin:0 0 4px 10px;padding:0 0 0 6px}
  .navcta{margin-left:0;margin-top:8px;text-align:center}
  .breadcrumb{padding:0 16px}
  .hero{padding:44px 20px}
  .hero p{font-size:1rem}
  .hero .btn{display:block;margin:10px auto;max-width:320px}
  .wrap{padding:36px 16px}
  .grid{grid-template-columns:1fr}
  .legal{padding:24px 16px 48px}
  .legal h1{font-size:1.5rem}
  .btn{padding:13px 20px}                  /* zones de toucher confortables */
  /* le tableau devient une liste de fiches */
  .tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
  .tbl thead{display:none}
  .tbl tr{border:1px solid var(--line);border-radius:10px;margin:0 0 12px;overflow:hidden}
  .tbl td{border:0;border-bottom:1px solid var(--line);padding:8px 12px}
  .tbl td:last-child{border-bottom:0}
  .tbl td::before{content:attr(data-label);display:block;font-weight:600;color:var(--muted);font-size:.8rem;margin-bottom:2px}
}
/* ---- Accessibilite : lien d'evitement, focus visible, animations reduites ---- */
.skip{position:absolute;left:-999px;top:8px;background:var(--dark);color:#fff;padding:10px 16px;border-radius:8px;z-index:100;text-decoration:none}
.skip:focus{left:8px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #f59e0b;outline-offset:2px;border-radius:6px}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
section[id]{scroll-margin-top:84px}

/* ---- Accueil : confiance, etapes, frise, FAQ, appel a l'action ---- */
.trust{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin:26px auto 0;padding:0;font-size:.92rem;opacity:.9}
.trust li::before{content:"✓ ";font-weight:700}
.steps{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:18px;counter-reset:s}
.steps li{border:1px solid var(--line);border-radius:14px;padding:20px;background:#fff;position:relative}
.steps h3{margin:10px 0 6px;color:var(--dark)}
.steps p{margin:0}
.steps .n{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800}
.timeline{list-style:none;padding:0;margin:18px 0;border-left:3px solid var(--primary)}
.timeline li{padding:4px 0 14px 18px;position:relative}
.timeline li::before{content:"";position:absolute;left:-9px;top:10px;width:15px;height:15px;border-radius:50%;background:var(--primary);border:3px solid #fff}
.timeline strong{display:block;color:var(--dark)}
.ticks{padding-left:0;list-style:none}
.ticks li{padding:4px 0 4px 28px;position:relative}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:800}
details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 16px;margin:10px 0}
summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px;color:var(--dark)}
summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--primary)}
details[open] summary::after{content:"–"}
summary::-webkit-details-marker{display:none}
details p{margin:0 0 14px;color:#374151}
.cta{background:linear-gradient(135deg,var(--dark),var(--primary));color:#fff;text-align:center;padding:56px 24px}
.cta h2{color:#fff;margin-top:0}
.cta .btn{background:#fff;color:var(--primary)!important}

.grid.three{grid-template-columns:repeat(3,1fr)}
@media (max-width:720px){.grid.three{grid-template-columns:1fr}}