.site-header{position:relative;display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:80rem;margin:0 auto;padding:1rem 1.25rem;border-bottom:1px solid var(--line);overflow:visible}
.site-header .brand{display:flex;align-items:center;gap:.75rem;min-width:0;margin:0;text-decoration:none;color:inherit;font-weight:700}
.site-header .brand img{display:block;width:142px;height:auto;flex:0 0 auto}
.site-header-actions{display:flex;align-items:center;justify-content:flex-end;gap:.65rem;flex:0 0 auto}
.site-header .lang-switch,.site-menu-toggle{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font:inherit;font-size:.9rem;line-height:1;text-decoration:none;cursor:pointer}
.site-header .lang-switch{padding:.65rem .85rem;color:var(--muted)}
.site-header .lang-switch:hover,.site-menu-toggle:hover{border-color:var(--ink);color:var(--ink);text-decoration:none}
.site-menu{position:relative}
.site-menu>summary{list-style:none}
.site-menu>summary::-webkit-details-marker{display:none}
.site-menu-toggle{gap:.55rem;padding:.65rem .9rem;font-weight:700}
.site-menu-icon{position:relative;display:block;width:18px;height:14px}
.site-menu-icon span{position:absolute;left:0;display:block;width:18px;height:2px;border-radius:999px;background:currentColor;transition:top .18s ease,transform .18s ease,opacity .18s ease}
.site-menu-icon span:nth-child(1){top:0}
.site-menu-icon span:nth-child(2){top:6px}
.site-menu-icon span:nth-child(3){top:12px}
.site-menu[open] .site-menu-icon span:nth-child(1){top:6px;transform:rotate(45deg)}
.site-menu[open] .site-menu-icon span:nth-child(2){opacity:0}
.site-menu[open] .site-menu-icon span:nth-child(3){top:6px;transform:rotate(-45deg)}
.site-menu-panel{position:absolute;z-index:50;top:calc(100% + .7rem);right:0;display:grid;grid-template-columns:repeat(4,minmax(9rem,1fr));gap:.75rem;width:min(50rem,calc(100vw - 2.5rem));max-height:calc(100vh - 6.5rem);overflow:auto;padding:1rem;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 18px 48px rgba(17,17,17,.16)}
.site-menu-group{min-width:0;padding:.25rem}
.site-menu-label{margin:0 0 .45rem;color:var(--muted);font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.site-menu-list{display:grid;gap:.25rem;margin:0;padding:0;list-style:none}
.site-menu-list li{margin:0}
.site-menu-list a{display:flex;align-items:center;min-height:44px;padding:.55rem .65rem;border:1px solid transparent;border-radius:9px;color:var(--ink);text-decoration:none;overflow-wrap:anywhere}
.site-menu-list a:hover{border-color:var(--line);background:var(--soft);text-decoration:none}
.site-menu-list a[aria-current]{border-color:var(--accent);background:var(--soft);font-weight:700}
.site-header a:focus-visible,.site-menu-toggle:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.skip:focus{z-index:100}
@media(max-width:800px){.site-header{display:flex;align-items:center;padding:.8rem 1rem}.site-header .brand{justify-content:flex-start;margin:0}.site-header .brand img{width:112px}.site-header .brand span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header-actions{gap:.4rem}.site-header .lang-switch{padding:.65rem .7rem}.site-menu-toggle{padding:.65rem .72rem}.site-menu-panel{position:absolute;right:0;grid-template-columns:1fr;width:min(22rem,calc(100vw - 2rem));max-height:calc(100vh - 5.5rem);padding:.75rem}.site-menu-group{padding:.2rem}.site-menu-label{margin-top:.15rem}.site-menu-list{grid-template-columns:1fr 1fr}.site-menu-list a{padding:.55rem}}
@media(max-width:420px){.site-menu-toggle-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-menu-toggle{width:44px;padding:0}.site-menu-list{grid-template-columns:1fr}.site-menu-panel{width:calc(100vw - 2rem)}}
@media(prefers-reduced-motion:reduce){.site-menu-icon span{transition:none}}