.arena-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px max(24px,calc((100vw - 1240px)/2));background:#121719;color:#f4f5ee;border-bottom:1px solid #34403c;font-family:system-ui,sans-serif}
.arena-brand{font-size:24px;font-weight:850;letter-spacing:-1px;text-decoration:none;color:inherit;white-space:nowrap}
.arena-brand span{display:block;font-size:10px;font-weight:400;letter-spacing:1px;color:#a7b5ae}
.arena-header nav{display:flex;gap:22px;flex-wrap:wrap}
.arena-header nav a{color:#b7c2bc;text-decoration:none;font-size:13px;padding:8px 0}
.arena-header nav a:hover,.arena-header nav a[aria-current]{color:#d8ef8d}
.arena-header a:focus-visible{outline:2px solid #d8ef8d;outline-offset:5px}
@media(max-width:700px){.arena-header{align-items:flex-start;flex-direction:column;gap:12px;padding:20px}.arena-header nav{gap:16px}}