/* Shared mobile navigation and return-to-top control. Loaded after shell styles. */
.nsn-app .public-shell-footer .footer-brand img,
.seo-site-footer .seo-footer-brand>a img{width:min(360px,100%);height:auto;aspect-ratio:280/88;max-width:100%;object-fit:contain}
.back-to-top{position:fixed;z-index:80;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:center;gap:7px;min-width:52px;min-height:52px;padding:0 15px;border:1px solid #7fdbf7;border-radius:999px;background:#061a3e;color:#fff;box-shadow:0 12px 32px #02081788;font:800 13px Arial,sans-serif;cursor:pointer}
.back-to-top[hidden]{display:none!important}
.back-to-top:hover{background:#1257c8}
.back-to-top:focus-visible{outline:3px solid #68e5e5;outline-offset:3px}
.nsn-app .public-shell-header .menu-label{display:none}
.nsn-app .public-shell-header .search-toggle{display:none;flex-shrink:0;width:44px;height:44px;place-items:center;padding:0;border:0;border-radius:14px;background:transparent;color:#d6eaff;cursor:pointer}
.nsn-app .public-shell-header .search-toggle span[hidden]{display:none}
.nsn-app .public-shell-header .search-toggle:focus-visible{outline:3px solid #29d9ef;outline-offset:3px}
.nsn-app .public-shell-header .search-toggle:hover,.nsn-app .public-shell-header .search-toggle[aria-expanded="true"]{background:#182e52;color:#83e9f2}
.nsn-app .public-shell-header .menu-caption{display:none}
@media(max-width:1199px){
 .nsn-app .public-shell-header .menu-button{border:0;border-radius:14px;background:transparent;color:#d6eaff}
 .nsn-app .public-shell-header .menu-button:hover,.nsn-app .public-shell-header .menu-button[aria-expanded="true"]{background:#182e52;color:#83e9f2}
 .nsn-app .public-shell-header nav.open{z-index:50;top:calc(100% + 8px);right:0;display:flex;width:min(360px,calc(100vw - 16px));max-height:calc(100dvh - 96px);padding:10px 16px 14px;flex-direction:column;align-items:stretch;gap:0;border:0;border-radius:18px;background:linear-gradient(150deg,#0b1d39,#071428);box-shadow:0 20px 44px #010918a8,0 0 0 1px #a0c5ee24;overflow-y:auto;white-space:normal}
 .nsn-app .public-shell-header nav.open .menu-caption{display:block;padding:8px 8px 12px;color:#78cfe9;font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
 .nsn-app .public-shell-header nav.open a{display:flex;align-items:center;min-height:47px;padding:0 8px;border-bottom:1px solid #a1bbdf1c;border-radius:0;color:#eff7ff;background:transparent;font-size:15px;font-weight:700}
 .nsn-app .public-shell-header nav.open a:last-child{border-bottom:0}
 .nsn-app .public-shell-header nav.open a::after{content:"→";margin-left:auto;color:#75badf;font-size:18px;font-weight:400}
 .nsn-app .public-shell-header nav.open a:hover,.nsn-app .public-shell-header nav.open a:focus-visible{background:#18365b;color:#fff}
}
@media(max-width:760px){
 .nsn-app .public-shell-footer .footer-brand img,.seo-site-footer .seo-footer-brand>a img{width:min(300px,100%)}
 .seo-site-topbar{z-index:60;height:72px;min-height:72px;grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:0 14px}
 .seo-site-brand{min-width:0;max-width:100%}
 .seo-site-brand .seo-site-logo-image{display:block;width:clamp(170px,51vw,208px);height:60px;max-width:100%;object-fit:contain}
 .seo-site-menu{position:static;margin:0}
 .seo-site-menu>summary{display:grid;place-items:center;min-width:44px;width:44px;min-height:44px;padding:0;border:0;border-radius:14px;background:transparent;color:#d6eaff;cursor:pointer}
 .seo-site-menu>summary:hover,.seo-site-menu[open]>summary{background:#182e52;color:#83e9f2}
 .seo-site-menu>summary .seo-menu-label{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}
 .seo-site-menu>summary .seo-menu-close-icon{display:none}
 .seo-site-menu[open]>summary .seo-menu-open-icon{display:none}
 .seo-site-menu[open]>summary .seo-menu-close-icon{display:block}
 .seo-site-nav-mobile,.seo-site-menu[open] .seo-site-nav-mobile{position:absolute;top:calc(100% + 8px);right:8px;left:8px;z-index:50;max-height:calc(100dvh - 88px);padding:10px 16px 14px;flex-direction:column;gap:0;border:0;border-radius:18px;background:linear-gradient(150deg,#0b1d39,#071428);box-shadow:0 20px 44px #010918a8,0 0 0 1px #a0c5ee24;overflow-y:auto}
 .seo-site-nav-mobile{display:none}
 .seo-site-menu[open] .seo-site-nav-mobile{display:flex}
 .seo-site-nav-mobile .menu-caption{padding:8px 8px 12px;color:#78cfe9;font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
 .seo-site-nav-mobile a{display:flex;align-items:center;justify-content:space-between;min-height:47px;padding:0 8px;border:0;border-bottom:1px solid #a1bbdf1c;border-radius:0;background:transparent;color:#eff7ff;font-size:15px;font-weight:700;letter-spacing:0;text-align:left;text-transform:none}
 .seo-site-nav-mobile a:last-child{border-bottom:0}
 .seo-site-nav-mobile a:after{content:"→";position:static;display:block;width:auto;height:auto;margin-left:auto;background:none;color:#75badf;font-size:18px;font-weight:400;opacity:1;transform:none}
 .seo-site-nav-mobile a:hover,.seo-site-nav-mobile a:focus-visible{background:#18365b;color:#fff}
}
@media(max-width:600px){
 .nsn-app .public-shell-header{height:72px;min-height:72px;display:flex;align-items:center;gap:8px;padding:0}
 .nsn-app .public-shell-header .nsn-brand{min-width:0;margin-right:auto}
 .nsn-app .public-shell-header .nsn-brand-logo{width:clamp(170px,53vw,210px);height:60px;max-width:100%}
 .nsn-app .public-shell-header .search-toggle{display:grid}
 .nsn-app .public-shell-header .menu-button{display:grid;place-items:center;width:44px;height:44px}
 .nsn-app .public-shell-header .header-search{position:absolute;z-index:50;top:calc(100% + 8px);right:-8px;left:-8px;display:none;width:auto;height:64px;margin:0;padding:10px 12px;gap:0;border:0;border-radius:18px;background:#0b1d39;box-shadow:0 20px 44px #010918a8,0 0 0 1px #a0c5ee24}
 .nsn-app .public-shell-header .header-search.is-open{display:flex}
 .nsn-app .public-shell-header .header-search:focus-within{outline:0;box-shadow:0 20px 44px #010918a8,0 0 0 1px #a0c5ee38}
 .nsn-app .public-shell-header .header-search input{height:44px;padding:0 14px;border-radius:12px 0 0 12px;background:#142b4d;color:#fff}
 .nsn-app .public-shell-header .header-search input:focus-visible{outline:0}
 .nsn-app .public-shell-header .header-search button{height:44px;width:48px;border-radius:0 12px 12px 0;background:#142b4d;color:#8de7f4}
 .nsn-app .public-shell-header nav.open{top:calc(100% + 8px);right:-8px;left:-8px;width:auto;max-height:calc(100dvh - 88px)}
}