/* NeuroFlamma shared nav + footer — standalone (hardcoded colors, no :root dependency),
   safe to load on pages that have their own stylesheets (clinical app, 3D viewer). */
.nf-nav{position:sticky;top:0;z-index:50;background:rgba(15,31,50,.97);backdrop-filter:blur(6px);color:#fff;border-bottom:1px solid #20364f;font-family:'Segoe UI',system-ui,Arial,sans-serif}
.nf-nav .row{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:8px;padding:11px 22px}
.nf-nav img{height:32px;display:block}
.nf-nav .brand{font-weight:800;letter-spacing:.2px;margin-inline-end:auto;display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}
.nf-lang{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;width:34px;height:30px;font-weight:800;cursor:pointer;font-size:14px}
.nf-lang:hover{background:rgba(255,255,255,.22)}
.nf-nav .brand span{font-size:11px;color:#9fc1dc;font-weight:600}
.nf-nav .links{display:flex;gap:2px;flex-wrap:wrap}
.nf-nav .links a{color:#cfe0ef;font-size:14px;font-weight:600;padding:8px 12px;border-radius:9px;text-decoration:none}
.nf-nav .links a:hover{background:rgba(255,255,255,.08)}
.nf-nav .links a.active{background:#D96B3A;color:#fff}
.nf-nav .pill{font-size:11px;font-weight:700;color:#081320;background:#58C7D8;border-radius:999px;padding:4px 10px;white-space:nowrap}
.nf-burger{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer}
.nf-foot{background:#0F1F32;color:#aac2dc;padding:30px 0;margin-top:40px;font-size:13.5px;font-family:'Segoe UI',system-ui,Arial,sans-serif}
.nf-foot .row{max-width:1180px;margin:0 auto;padding:0 22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.nf-foot a{color:#cfe0ef} .nf-foot b{color:#fff}
/* RTL: keep the nav usable and right-align page prose; hero/cards inherit dir=rtl */
[dir=rtl] .hero, [dir=rtl] .section, [dir=rtl] .prose, [dir=rtl] .card{text-align:right}
[dir=rtl] .nf-foot .row > div:last-child{text-align:left}
[dir=rtl] .subnav{direction:rtl}
@media (max-width:840px){
  .nf-nav .links{display:none;position:absolute;top:54px;right:12px;left:12px;flex-direction:column;background:#16293f;border:1px solid #20364f;border-radius:12px;padding:8px}
  .nf-nav .links.open{display:flex}
  .nf-burger{display:block}
}