/* R63: main navigation and direct detail links in two header rows. */
header.topbar{display:block;height:auto;min-height:0;padding:0 2vw;}
header.topbar .aria-header-primary{display:flex;align-items:center;gap:clamp(12px,1.3vw,22px);min-height:82px;}
header.topbar .aria-header-primary>.brand{flex:0 0 220px;align-self:stretch;}
header.topbar .aria-header-primary>nav{display:flex;flex:1;flex-wrap:nowrap;justify-content:space-between;gap:clamp(8px,1vw,18px);min-width:0;}
header.topbar .aria-header-primary>nav a{font-size:clamp(12px,1vw,15px);letter-spacing:.2px;white-space:nowrap;}
header.topbar .aria-header-details{display:flex;flex-wrap:nowrap;justify-content:flex-start;align-items:center;gap:7px;overflow-x:auto;width:100%;margin:0;padding:8px 0 10px;border-top:1px solid #c8dcf3;scrollbar-width:thin;}
header.topbar .aria-header-details a{flex:0 0 auto;min-height:35px;padding:7px 11px;border:1px solid #9dbbdf;border-radius:6px;background:#fff;color:#185ba3;font-size:13px;font-weight:600;line-height:1.4;letter-spacing:0;white-space:nowrap;text-decoration:none;}
header.topbar .aria-header-details a:hover{background:#e5efff;border-color:#6f9fd4;}
header.topbar .aria-header-details a:focus-visible{outline:2px solid #1765b5;outline-offset:2px;}
@media(max-width:1200px){
 header.topbar .aria-header-primary{gap:12px;min-height:72px;}
 header.topbar .aria-header-primary>.brand{flex-basis:170px;}
 header.topbar .aria-header-primary>.brand img{width:170px;height:58px;}
 header.topbar .aria-header-primary>nav{overflow-x:auto;justify-content:flex-start;}
 header.topbar .aria-header-primary>nav a{font-size:12px;}
 header.topbar .aria-header-account{flex-shrink:0;}
 header.topbar .zena-brand img{width:90px;}
}
@media(max-width:760px){
 header.topbar{position:sticky;top:0;padding:0 12px;}
 header.topbar .aria-header-primary{display:grid;grid-template-columns:110px minmax(0,1fr) auto;gap:9px;min-height:70px;}
 header.topbar .aria-header-primary>.brand{width:110px;min-height:0;}
 header.topbar .aria-header-primary>.brand img{width:110px;height:46px;}
 header.topbar .aria-header-primary>nav{display:flex;order:initial;flex-basis:auto;gap:13px;}
 header.topbar .aria-header-primary>nav a{font-size:12px;padding:10px 0;}
 header.topbar .aria-header-account{min-width:0;}
 header.topbar .zena-brand{margin:0;}
 header.topbar .zena-brand img{width:70px;height:auto;}
 header.topbar .aria-header-actions{gap:4px;}
 header.topbar .aria-header-actions button{font-size:10px;padding:5px 6px;min-height:28px;}
 header.topbar .aria-header-details{gap:6px;padding:7px 0 8px;}
 header.topbar .aria-header-details a{font-size:12px;min-height:33px;padding:7px 9px;}
}