/* Nav 5a autonome — remplace l'ancienne nav sur les pages outils/articles (var-flip).
   Sélecteurs préfixés header.nav pour l'emporter sur l'ancien CSS de la page. */
header.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 56px;margin:0;background:rgba(15,17,20,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(241,243,245,.08)}
header.nav .wrap{max-width:none;margin:0;padding:0}
header.nav .brand{display:flex;align-items:center;gap:10px;font-family:"Hanken Grotesk",system-ui,sans-serif;font-weight:700;font-style:normal;font-size:15px;letter-spacing:-.2px;text-decoration:none;color:#F1F3F5}
header.nav .brand .a{font-style:normal;color:#F1F3F5;font-family:inherit}
header.nav .logo-grid{display:grid;grid-template-columns:repeat(3,7px);grid-template-rows:repeat(3,7px);gap:2px;flex:none}
header.nav .logo-grid span{display:block;background:#4A505A;width:auto;height:auto;border:0;border-radius:0}
header.nav .logo-grid span.blue{background:#8FA6C4}
header.nav .nav-links{display:flex;align-items:center;gap:28px;position:static;flex-direction:row;font-family:"Space Mono",ui-monospace,monospace;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:#8A909B;background:none;border:0;padding:0;box-shadow:none;transform:none}
header.nav .nav-links a{color:#8A909B;text-decoration:none;padding:0;border:0;font-size:10px;background:none}
header.nav .nav-links a:hover{color:#F1F3F5}
header.nav .nav-links a.active,header.nav .nav-links a.is-current{color:#F1F3F5;border-bottom:2px solid #5E789B;padding-bottom:3px}
header.nav .nav-right{display:flex;align-items:center;gap:14px}
header.nav .nav-login{display:inline;font-family:"Space Mono",ui-monospace,monospace;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:#8A909B;text-decoration:none;padding:0;border:0;background:none}
header.nav .nav-login:hover{color:#F1F3F5}
header.nav .nav-links .nav-login{display:none}
header.nav .nav-cta{display:inline-flex;align-items:center;background:#F1F3F5;color:#0F1114;border-radius:99px;padding:10px 20px;font-family:"Hanken Grotesk",sans-serif;font-weight:700;font-size:13px;white-space:nowrap;text-decoration:none;border:0}
header.nav .burger{display:none;background:none;border:1px solid rgba(241,243,245,.25);border-radius:8px;width:42px;height:38px;flex-direction:column;justify-content:center;align-items:stretch;gap:5px;cursor:pointer;padding:0 9px}
header.nav .burger span{display:block;height:2px;width:auto;margin:0;background:#F1F3F5;border-radius:0}
.nav-backdrop{position:fixed;inset:0;background:rgba(15,17,20,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s;z-index:45}
.nav-backdrop.show{opacity:1;visibility:visible}
@media(max-width:768px){
  header.nav{padding:14px 20px}
  header.nav .nav-links,header.nav .nav-right .nav-login{display:none}
  header.nav .burger{display:flex}
  header.nav.nav-menu-open .nav-links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:#0F1114;border-top:1px solid rgba(241,243,245,.1);border-bottom:1px solid rgba(241,243,245,.1);padding:10px 20px 22px;box-shadow:0 24px 60px rgba(0,0,0,.5);z-index:46;max-height:calc(100vh - 70px);overflow-y:auto}
  header.nav.nav-menu-open .nav-links a{padding:14px 0;border-bottom:1px solid rgba(241,243,245,.08);font-size:12px}
  header.nav.nav-menu-open .nav-links .nav-login{display:block;padding:14px 0}
}