.global-header{background:var(--header-bg);-webkit-backdrop-filter:saturate(180%)blur(20px);border-bottom:1px solid var(--header-border);z-index:9999;justify-content:center;align-items:center;height:48px;display:flex;position:sticky;top:0}.header-content{justify-content:space-between;align-items:center;width:100%;max-width:1024px;height:100%;padding:0 22px;display:flex}.logo-link{align-items:center;height:100%;display:flex}.logo{object-fit:contain;width:auto;height:24px}.header-nav{flex-grow:1;justify-content:center;display:flex}.nav-list{gap:32px;margin:0;padding:0;list-style:none;display:flex}.nav-link{letter-spacing:.01em;color:#c8c8c8;white-space:nowrap;font-size:11px;font-weight:400;line-height:1;transition:color .2s}.nav-link:hover{color:var(--color-text)}.header-actions{align-items:center;gap:16px;display:flex}.search-button{color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:0;transition:color .2s;display:flex}.search-button:hover{color:var(--color-text)}.sign-in-button{background:var(--color-link);color:#fff;border-radius:980px;justify-content:center;align-items:center;padding:6px 14px;font-size:12px;font-weight:400;transition:background-color .2s;display:inline-flex}.sign-in-button:hover{background:#0071e3}.mobile-menu-toggle{color:#f5f5f7;cursor:pointer;background:0 0;border:none;margin-left:12px;padding:0;display:none}.mobile-menu-overlay{-webkit-backdrop-filter:saturate(180%)blur(30px);z-index:9998;opacity:0;pointer-events:none;background:#000000f2;flex-direction:column;width:100vw;height:calc(100vh - 48px);padding:2rem;transition:opacity .3s;display:flex;position:fixed;top:48px;left:0;overflow-y:auto}.mobile-menu-overlay.open{opacity:1;pointer-events:auto}.mobile-nav-list{flex-direction:column;gap:1.5rem;margin:0;padding:0;list-style:none;display:flex}.mobile-nav-link{color:#f5f5f7;border-bottom:1px solid #333336;padding-bottom:1rem;font-size:1.5rem;font-weight:500;text-decoration:none;display:block}@media (max-width:768px){.header-nav{display:none}.mobile-menu-toggle{justify-content:center;align-items:center;display:flex}.sign-in-button{padding:5px 10px;font-size:11px}}