.site-header{position:sticky;top:0;z-index:40;background:color-mix(in oklch,var(--bg) 85%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}.site-header .container{width:100%;max-width:1280px;margin:0 auto;padding-inline:0}.site-header__inner{display:flex;align-items:center;justify-content:space-between;padding-block:var(--sp-4)}.site-header .brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:19px;font-weight:600;letter-spacing:-.01em;text-decoration:none;color:var(--ink)}.site-header .brand__mark{width:28px;height:28px;border-radius:6px;display:grid;place-items:center;flex-shrink:0;overflow:hidden}.site-header .brand__mark-img{display:block;width:100%;height:100%;object-fit:contain}.site-header .brand__name-accent{color:var(--accent)}.site-header .nav{display:flex;gap:var(--sp-5)}.site-header .nav a{position:relative;padding:6px 0;color:var(--ink-2);font-size:14px;text-decoration:none;transition:color .15s}.site-header .nav a:hover{color:var(--ink)}.site-header .nav a.active{color:var(--ink);font-weight:500}.site-header .nav a.active::after{content:'';position:absolute;right:0;bottom:-20px;left:0;height:2px;background:var(--accent)}.site-header .header-cta{display:flex;align-items:center;gap:var(--sp-3)}.site-header .header-nav-btn{inline-size:82px;min-inline-size:82px;max-inline-size:82px;min-height:0;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;padding:8px 10px;border:1px solid transparent;border-radius:var(--r-md);background:0 0;color:var(--ink);font-family:var(--font-sans);font-size:13px;font-weight:500;line-height:1.55;text-decoration:none;text-overflow:ellipsis;white-space:nowrap;cursor:pointer;transition:transform .12s,background .15s,box-shadow .15s}.site-header .header-nav-btn.btn-primary{background:var(--accent);color:var(--accent-ink)}.site-header .header-nav-btn.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.site-header .header-nav-btn.btn-ghost{border-color:var(--line-2)}.site-header .header-nav-btn.btn-ghost:hover{border-color:var(--ink-3);background:var(--bg-sunk)}.site-header .header-nav-btn[data-auth-nav][data-state=logged-in]{justify-content:flex-start;text-align:left}@media (max-width:768px){.site-header__inner{flex-wrap:nowrap;gap:12px;align-items:center}.site-header .brand{min-width:0;flex:0 1 auto}.site-header .nav{display:flex;order:0;width:auto;flex:1 1 auto;min-width:0;gap:var(--sp-3);justify-content:flex-end;overflow-x:auto;padding-bottom:0;scrollbar-width:none;-webkit-overflow-scrolling:touch}.site-header .nav::-webkit-scrollbar{display:none}.site-header .nav a{flex:0 0 auto}.site-header .nav a.active::after{bottom:-12px}.site-header .header-cta{display:none}}@media (max-width:640px){.site-header .container{padding-inline:22px}.site-header__inner{flex-wrap:wrap;gap:10px}.site-header .brand{flex:1 1 100%;max-width:100%}.site-header .brand span:last-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.site-header .nav{display:flex;order:2;width:100%;justify-content:flex-start}}