.site-header{z-index:30;position:relative}.site-header .desktop-navigation{gap:16px;font-size:13px}.site-header .desktop-navigation a,.site-header .desktop-navigation .nav-button{align-items:center;min-height:44px;display:inline-flex}.mobile-navigation{display:none}@media (max-width:1200px){.site-header{flex-wrap:nowrap;gap:20px;min-height:76px;padding:14px 22px}.site-header .wordmark{gap:8px;font-size:24px}.site-header .desktop-navigation{display:none}.mobile-navigation{display:block}.mobile-navigation>summary{border:1px solid var(--line);cursor:pointer;border-radius:24px 24px 24px 7px;justify-content:center;align-items:center;gap:10px;min-height:44px;padding:8px 14px;font-size:13px;list-style:none;display:flex}.mobile-navigation>summary::-webkit-details-marker{display:none}.mobile-navigation .mobile-menu-close{display:none}.mobile-navigation[open] .mobile-menu-close{display:block}.mobile-navigation[open] .mobile-menu-open{display:none}.mobile-navigation[open]>summary{background:var(--soft)}.site-header .mobile-navigation>nav{background:var(--surface);border:1px solid var(--line);border-radius:8px 24px 24px;gap:6px;padding:18px;display:grid;position:absolute;top:calc(100% + 8px);left:14px;right:14px;box-shadow:0 14px 45px #172b6118}.site-header .mobile-navigation nav a,.site-header .mobile-navigation nav .nav-button{border-radius:10px;align-items:center;min-height:46px;padding:10px 14px;font-size:14px;display:flex}.site-header .mobile-navigation nav a:hover,.site-header .mobile-navigation nav .nav-button:hover{background:var(--soft)}.site-header .mobile-navigation nav .button{border-radius:24px 24px 24px 7px;justify-content:center}.site-header .mobile-navigation nav .nav-button{border-top:1px solid var(--line);border-radius:0;width:100%;margin-top:8px}.header-placeholder{height:76px}}@media (max-width:600px){.site-header{flex-wrap:wrap;gap:10px}.site-header .wordmark{font-size:21px}.site-header .subject-switcher{flex-basis:100%;order:3;align-items:center;gap:12px;max-width:100%;display:flex}.site-header .subject-switcher select{flex:1;min-width:0}}