/* V7 responsive masthead, IST horizontal logo, accessible menus. */
:root{--primary:#0070c9}
body{padding-top:86px}
.shell{margin:0}
.topbar.ist-header{position:fixed;inset:0 0 auto;z-index:90;width:100%;height:86px;padding:0 clamp(14px,2vw,36px);gap:22px;background:#fff;border-bottom:1px solid #e2eaf5;box-shadow:0 3px 17px rgba(18,44,76,.055)}
.topbar .ist-brand{display:flex;align-items:center;gap:11px;min-width:250px;max-width:none;flex:none;padding:0;margin:0;text-decoration:none}
.topbar .ist-brand:after{display:none}
.topbar .ist-brand img{height:65px;width:auto;max-width:270px;object-fit:contain}
.ist-product-name{font-size:12px!important;font-weight:900!important;letter-spacing:.045em!important;color:#084c94!important;white-space:nowrap;border-left:1px solid #e0e9f4;padding-left:11px}
.topbar .topnav{display:flex;align-items:center;flex:1;justify-content:flex-end;overflow:visible;padding:0;gap:8px;min-width:0}
.topnav-links{display:flex;gap:3px;align-items:center;justify-content:flex-end;min-width:0}
.topnav a,.topnav summary{font-size:12px;min-height:44px;padding:10px 9px;white-space:nowrap;display:flex;align-items:center;gap:5px;font-weight:700;border-radius:8px}
.topnav .nav-dropdown{position:relative;flex:none}
.topnav .nav-dropdown>summary{list-style:none;user-select:none;cursor:pointer}
.topnav summary::-webkit-details-marker{display:none}
.topnav .nav-chevron{font-size:15px;transition:transform .15s ease}
.topnav details[open]>.nav-chevron,.topnav details[open]>summary .nav-chevron{transform:rotate(180deg)}
.topnav details[data-current-category=true]>summary{background:#edf6ff;color:#084c94}
.topnav .nav-dropdown-menu{display:flex;flex-direction:column;gap:3px;position:absolute;top:calc(100% + 10px);left:0;right:auto;width:max-content;min-width:226px;max-width:330px;max-height:min(72vh,550px);overflow:auto;background:#fff;border:1px solid #dce7f4;border-radius:13px;box-shadow:0 17px 40px rgba(13,38,69,.18);padding:10px;z-index:120}
.topnav .nav-dropdown:nth-last-of-type(-n+2) .nav-dropdown-menu,.topnav .admin-menu .nav-dropdown-menu{left:auto;right:0}
.topnav .nav-dropdown-menu a{white-space:normal;word-break:normal;justify-content:flex-start;font-size:12px;min-height:40px;padding:10px 12px}
.nav-menu-title{font-size:10px;font-weight:850;letter-spacing:.13em;text-transform:uppercase;padding:6px 10px;color:#8090a7}
.topnav-account{border-left:1px solid #e2eaf5;padding-left:12px;display:flex;align-items:center}
.topnav .nav-logout{width:100%;background:#f8fbff;border:none;min-height:40px;color:#b42333;justify-content:flex-start;font-size:12px}
.topnav .nav-logout:hover{background:#fff1f2}
.shell main{max-width:1680px;margin:0 auto}
@media(max-width:1350px){
 body{padding-top:80px}
 .topbar.ist-header{height:80px}
 .topbar .ist-brand img{height:57px;max-width:247px}
 .ist-product-name{font-size:11px!important}
 .ist-mobile-toggle{display:inline-flex!important;align-items:center;gap:8px;margin-left:auto;min-height:42px;padding:9px 14px;color:#084c94;border:1px solid #d3e6fa;background:#eff6fe}
 .topbar .topnav{display:none;position:fixed;top:80px;right:0;bottom:0;width:min(390px,95vw);min-width:0;overflow-y:auto;overscroll-behavior:contain;background:#fff;padding:18px;box-shadow:-15px 0 35px rgba(12,38,69,.2);flex-direction:column;align-items:stretch;justify-content:flex-start;z-index:110}
 body.menu-open .topnav{display:flex}
 .topnav-links,.topnav-account{width:100%;display:flex;flex-direction:column;align-items:stretch;gap:4px;justify-content:flex-start}
 .topnav .nav-dropdown{position:static}
 .topnav a,.topnav summary{font-size:14px;justify-content:space-between;min-height:45px;padding:10px 12px}
 .topnav .nav-dropdown-menu{position:static!important;left:auto!important;right:auto!important;width:100%;max-width:none;max-height:none;box-shadow:none;border:none;border-left:2px solid #dce9f8;margin:3px 0 9px 12px;border-radius:0;padding:0 5px 0 10px;overflow:visible}
 .nav-menu-title{display:none}
 .topnav-account{border-left:0;border-top:1px solid #e2eaf5;padding:11px 0}
 .topnav .nav-logout{min-height:44px;font-size:14px}
 .overlay:not([hidden]){display:block;position:fixed;inset:0;background:rgba(9,27,49,.55);border:0;z-index:85}
}
@media(max-width:610px){.topbar.ist-header{padding:0 12px;gap:8px}.topbar .ist-brand{min-width:0;gap:7px}.topbar .ist-brand img{height:auto;width:min(57vw,230px);max-width:none}.ist-product-name{font-size:9px!important;padding-left:7px}.ist-mobile-toggle{font-size:13px;padding:8px 11px}.ist-mobile-toggle span{display:none}}
@media(max-width:370px){.ist-product-name{display:none!important}}