.site-header{z-index:1000;border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--surface) 82%, transparent);-webkit-backdrop-filter:saturate(1.4)blur(10px);justify-content:space-between;align-items:center;height:66px;padding:0 24px;display:flex;position:sticky;top:0}.site-header .brand{font-family:var(--font-display);letter-spacing:-.01em;color:var(--text);align-items:center;gap:9px;font-size:23px;font-weight:600;text-decoration:none;display:inline-flex}.site-header .brand-mark{width:30px;height:30px;color:var(--primary);flex:none}.site-header .brand-name{display:inline-block}.site-header .brand-name-accent{color:var(--primary)}.site-nav{align-items:center;gap:8px;display:flex}.site-nav a{color:var(--muted);border-radius:var(--radius-pill);padding:8px 12px;font-size:15px;font-weight:500;text-decoration:none;transition:color .15s,background .15s}.site-nav a:hover{color:var(--primary);background:var(--primary-soft)}.site-nav a.active{color:var(--primary);background:var(--primary-soft);font-weight:600}.site-nav .nav-admin{color:var(--text);border:1px solid var(--border-strong)}.site-nav .nav-admin:hover{border-color:var(--primary);background:0 0}.nav-toggle{opacity:0;pointer-events:none;width:0;height:0;position:absolute}.nav-burger{cursor:pointer;width:42px;height:42px;color:var(--text);-webkit-tap-highlight-color:transparent;border-radius:12px;justify-content:center;align-items:center;margin-right:-8px;display:none}.nav-burger:hover{background:var(--primary-soft);color:var(--primary)}.nav-burger-lines,.nav-burger-lines:before,.nav-burger-lines:after{content:"";background:currentColor;border-radius:2px;width:22px;height:2px;transition:transform .2s,opacity .2s;display:block}.nav-burger-lines{position:relative}.nav-burger-lines:before{position:absolute;top:-7px}.nav-burger-lines:after{position:absolute;top:7px}.nav-toggle:checked~.nav-burger .nav-burger-lines{background:0 0}.nav-toggle:checked~.nav-burger .nav-burger-lines:before{top:0;transform:rotate(45deg)}.nav-toggle:checked~.nav-burger .nav-burger-lines:after{top:0;transform:rotate(-45deg)}@media (max-width:640px){.site-header{padding:0 16px}.nav-burger{display:inline-flex}.site-nav{border:1px solid var(--border);background:var(--surface);opacity:0;pointer-events:none;border-radius:16px;flex-direction:column;align-items:stretch;gap:4px;min-width:190px;padding:8px;transition:opacity .16s,transform .16s;position:absolute;top:calc(100% + 8px);right:12px;transform:translateY(-6px);box-shadow:0 14px 34px #172b1e29}.nav-toggle:checked~.site-nav{opacity:1;pointer-events:auto;transform:translateY(0)}.site-nav a{border-radius:12px;padding:11px 14px;font-size:16px}.site-nav .nav-admin{text-align:center;margin-top:4px}}