/* Shared accessible primary navigation — site-wide */ 
.research-primary-nav{background:#fff;color:#19343f;position:sticky;top:0;z-index:100;border-bottom:1px solid #d8ddd9;box-shadow:0 2px 12px rgba(22,49,58,.09);font:700 14px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
.research-primary-nav *{box-sizing:border-box}
.research-nav-inner{max-width:1240px;padding:0 28px;margin:0 auto;display:flex;align-items:stretch;gap:4px;flex-wrap:wrap}
.research-primary-nav a,.research-primary-nav summary{color:#334e5b;display:block;padding:15px 13px;text-decoration:none;cursor:pointer;white-space:nowrap;border-bottom:3px solid transparent}
.research-primary-nav a:hover,.research-primary-nav summary:hover,.research-primary-nav a:focus-visible,.research-primary-nav summary:focus-visible{color:#19343f;background:#f6f3eb;border-bottom-color:#ab8750;outline-offset:-3px}
.research-primary-nav a[aria-current="page"],.research-nav-section-current>summary{border-bottom-color:#ab8750;color:#19343f}
.research-nav-dropdown{position:relative}
.research-nav-dropdown summary{list-style:none}
.research-nav-dropdown summary::-webkit-details-marker{display:none}
.research-nav-dropdown summary:after{content:" ▾";font-size:11px;color:#7d633c}
.research-nav-dropdown[open]>summary{background:#f6f3eb}
.research-nav-menu{position:absolute;top:100%;left:0;min-width:225px;background:#fff;border:1px solid #d8ddd9;box-shadow:0 12px 26px rgba(22,49,58,.16);padding:6px;border-radius:0 0 8px 8px;z-index:110}
.research-nav-menu a{border-bottom:0;border-radius:5px;padding:11px 12px;white-space:normal}
.research-nav-menu a[aria-current="page"]{background:#efe6d8;border-bottom:0}
@media(max-width:680px){.research-nav-inner{padding:4px 12px;gap:0}.research-primary-nav a,.research-primary-nav summary{padding:11px 10px;font-size:13px}.research-nav-menu{left:auto;right:0;min-width:200px;max-width:min(85vw,320px)}}
@media print{.research-primary-nav{display:none!important}}