header{position:sticky;top:0;z-index:20;background:rgba(250,250,249,.93);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.bar{max-width:var(--max);margin:auto;padding:12px 24px;display:flex;align-items:center;gap:24px}.brand{font-size:14px;font-weight:800;letter-spacing:.04em;white-space:nowrap}.bar nav{display:flex;gap:18px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}.bar nav a{color:#53606d;font-size:13px;text-decoration:none}.bar nav a:hover{color:var(--accent)}