/* ============================================================
   Shared site navigation — four-category dropdown / mobile accordion
   Namespaced .sn-* so it never collides with any page's inline CSS.
   ============================================================ */
.sn{position:sticky;top:0;z-index:40;display:flex;justify-content:space-between;
  align-items:center;padding:12px 28px;background:rgba(6,13,21,.97);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border-bottom:1px solid #1a2535;
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.sn *{box-sizing:border-box}
.sn-brand{font-weight:800;font-size:13px;letter-spacing:.02em;color:#d9c587;text-decoration:none;flex-shrink:0}
.sn-brand:hover{opacity:.85}

.sn-links{display:flex;gap:4px;align-items:center}

.sn-grp{position:relative}
.sn-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:none;cursor:pointer;
  font:inherit;font-size:13px;font-weight:700;letter-spacing:.04em;color:#c8d4e0;
  padding:8px 14px;border-radius:7px;text-transform:uppercase}
.sn-btn:hover{color:#fff;background:rgba(255,255,255,.04)}
.sn-chev{font-size:9px;opacity:.7;transition:transform .18s}
.sn-btn[aria-expanded="true"]{color:#d9c587}
.sn-btn[aria-expanded="true"] .sn-chev{transform:rotate(180deg)}

.sn-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:252px;
  background:#0a131f;border:1px solid #1a2535;border-radius:12px;padding:8px;
  box-shadow:0 18px 44px rgba(0,0,0,.5);display:none;flex-direction:column;gap:2px}
.sn-menu.open{display:flex}
/* keep the rightmost dropdown from clipping off the right edge */
.sn-grp:last-child .sn-menu{left:auto;right:0}
.sn-menu a{display:block;padding:10px 12px;border-radius:8px;text-decoration:none;color:#c8d4e0;margin:0}
.sn-menu a:hover{background:rgba(255,255,255,.05)}
.sn-t{font-size:13.5px;font-weight:700;color:#f0ece4;display:block}
.sn-d{font-size:11.5px;color:#6a7a8a;display:block;margin-top:1px;line-height:1.4}
.sn-menu a.active .sn-t{color:#d9c587}

.sn-toggle{display:none;background:none;border:none;cursor:pointer;color:#d9c587;
  font-size:23px;line-height:1;padding:4px 6px}

@media(max-width:780px){
  /* drop backdrop-filter on mobile: it makes .sn a containing block for the
     fixed panel, which collapses .sn-links to a sliver under the bar */
  .sn{justify-content:flex-start;gap:14px;-webkit-backdrop-filter:none;backdrop-filter:none}
  .sn-toggle{display:block;order:0}
  .sn-brand{order:1}
  .sn-links{display:none;position:fixed;top:51px;left:0;right:0;bottom:0;z-index:39;
    flex-direction:column;align-items:stretch;gap:0;padding:0 0 40px;
    background:rgba(6,13,21,.995);overflow-y:auto;border-top:1px solid #1a2535}
  .sn-links.open{display:flex}
  .sn-grp{position:static}
  .sn-btn{width:100%;justify-content:space-between;padding:16px 24px;font-size:15px;
    border-radius:0;border-bottom:1px solid #1a2535}
  .sn-menu{position:static;min-width:0;border:none;border-radius:0;box-shadow:none;
    background:#08111c;padding:0}
  .sn-menu a{padding:13px 24px 13px 38px;border-bottom:1px solid rgba(26,37,53,.6)}
  .sn-d{display:none}
}