/* Luminair — shared site nav (2026-10-02). One topbar, every page.
   Matches the homepage exactly: wordmark + flat links + Features mega-menu + Get Luminair. */
header.topbar{height:98px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dcdcdc;max-width:1440px;margin:0 auto;padding:0 64px;box-sizing:border-box;position:relative;font:16px/1.5 'Helvetica Neue',Helvetica,Arial,sans-serif;color:#242421}
header.topbar a{color:inherit;text-decoration:none}
header.topbar .brand{display:inline-flex;align-items:center}
header.topbar .wordmark{display:block;height:auto;width:150px;fill:currentColor}
header.topbar .navlinks{display:flex;align-items:center;gap:34px;font-size:13px}
header.topbar .navlinks>a:hover,header.topbar .mega-t:hover{color:#999999}
header.topbar .mega{position:relative}
header.topbar .mega-t{appearance:none;background:none;border:0;cursor:pointer;font:inherit;color:inherit;display:inline-flex;align-items:center;gap:6px;padding:0;transition:color .16s ease}
header.topbar .mega.open .mega-t{color:#999999}
header.topbar .mega-p{position:fixed;left:0;right:0;top:98px;z-index:60;background:#f7f7f7fa;backdrop-filter:saturate(160%) blur(18px);-webkit-backdrop-filter:saturate(160%) blur(18px);box-shadow:0 30px 70px -30px rgba(36,36,33,.18);border-bottom:1px solid #dcdcdc;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .18s ease,transform .18s ease,visibility .18s;max-height:calc(100vh - 98px);overflow-y:auto}
header.topbar .mega.open .mega-p{opacity:1;visibility:visible;transform:translateY(0)}
header.topbar .mega-in{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:34px;padding:30px 28px 34px}
header.topbar .mega-col{display:flex;flex-direction:column;gap:14px}
header.topbar .mega-col .label{margin-bottom:0;display:block;font:11px/1.6 Plex,ui-monospace,Menlo,monospace;letter-spacing:.1em;text-transform:uppercase;color:#777777}
header.topbar .mega-col>a{display:flex;align-items:flex-start;gap:10px}
header.topbar .mn-ic{flex:0 0 auto;width:22px;height:22px;margin-top:1px;color:#777777;padding:3px;border:1px solid #dcdcdc;border-radius:7px;box-sizing:border-box;transition:color .14s ease,border-color .14s ease}
header.topbar a:hover .mn-ic{color:#999999;border-color:rgba(150,150,150,.4)}
header.topbar .mtx{min-width:0}
header.topbar .mn{display:block;font-size:14.5px;font-weight:600;color:#242421;letter-spacing:-.01em}
header.topbar a:hover .mn{color:#999999}
header.topbar .md{display:block;font-size:12.5px;color:#777777;line-height:1.45;margin-top:1px}
header.topbar .mega-foot{grid-column:1/-1;border-top:1px solid #dcdcdc;margin-top:6px;padding-top:16px;display:flex;gap:18px;align-items:center;flex-wrap:wrap;font:11.5px/1.6 Plex,ui-monospace,Menlo,monospace;letter-spacing:.08em;color:#777777}
header.topbar .button{display:inline-flex;align-items:center;justify-content:center;gap:28px;min-height:39px;padding:0 17px;background:#242421;color:#fff;border:1px solid #242421;border-radius:4px;font-size:12px;transition:background .2s,transform .2s;white-space:nowrap}
header.topbar .button:hover{background:#414141;transform:translateY(-2px)}
@media(max-width:860px){
  header.topbar{padding:0 24px;height:78px}
  header.topbar .navlinks{display:none}
  header.topbar .wordmark{width:125px}
  header.topbar .mega-p{top:78px;max-height:calc(100vh - 78px)}
}