:root{
  --blue:#0f62fe; --blue-hover:#0353e9; --blue-10:#edf5ff;
  --g100:#161616; --g90:#262626; --g80:#393939; --g70:#525252; --g60:#6f6f6f;
  --g30:#c6c6c6; --g20:#e0e0e0; --g10:#f4f4f4; --white:#fff;
  --sans:'IBM Plex Sans',-apple-system,'Segoe UI',Helvetica,Arial,sans-serif;
  --mono:'IBM Plex Mono',Menlo,Consolas,monospace;
  --mast:56px;
}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.masthead{position:sticky;top:0;z-index:240;background:#fff;color:var(--g100);border-bottom:1px solid var(--g20);font-family:var(--sans)}
.masthead-inner{height:var(--mast);display:flex;align-items:center;padding:0 20px;gap:10px;max-width:100%}
.icon-btn.menu-toggle{display:none;place-items:center;width:40px;height:40px;border:0;background:transparent;font-size:22px;cursor:pointer;color:var(--g100);flex-shrink:0}
.brand{display:flex;align-items:center;gap:10px;font-size:16px;letter-spacing:.01em;padding:0 8px;white-space:nowrap;color:inherit;text-decoration:none}
.brand b{font-weight:600}
.primary-nav{display:flex;height:100%;margin-left:4px;align-items:stretch}
.primary-nav a,.nav-more{display:flex;align-items:center;gap:6px;height:100%;padding:0 13px;font-size:14px;color:var(--g80);background:none;border:0;cursor:pointer;transition:background .12s,color .12s;white-space:nowrap;text-decoration:none;font-family:var(--sans)}
.primary-nav a:hover,.primary-nav a.is-active,.nav-more:hover,.nav-more[aria-expanded=true]{background:var(--g10);color:var(--g100)}
.primary-nav a:hover,.primary-nav a.is-active{box-shadow:inset 0 -2px 0 var(--blue)}
.nav-more{border-left:1px solid var(--g20);margin-left:4px}
.masthead-tools{margin-left:auto;display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search-field{display:inline-flex;align-items:center;gap:8px;width:236px;height:36px;padding:0 12px;border:0;border-bottom:2px solid var(--g30);background:var(--g10);color:var(--g70);font:13px/1 var(--sans);cursor:text;text-align:left;transition:background .15s,border-color .15s,box-shadow .15s}
.nav-search-field:hover,.nav-search-field:focus-visible{background:#fff;border-bottom-color:var(--blue);color:var(--g100)}
.nav-search-field .search-icon{color:var(--g60);font-size:16px;line-height:1}
.nav-search-hint{position:relative;flex:1;min-width:0;overflow:hidden;height:18px}
.nav-search-hint span{position:absolute;inset:0;white-space:nowrap;transition:opacity .28s ease,transform .28s ease}
.nav-search-hint span.is-leave{opacity:0;transform:translateY(-8px)}
.nav-search-hint span.is-enter{opacity:0;transform:translateY(8px)}
.nav-search-hint span.is-show{opacity:1;transform:translateY(0)}
.mast-join{display:inline-flex;align-items:center;min-height:32px;padding:0 14px;background:var(--blue);color:#fff;font-size:13px;text-decoration:none;white-space:nowrap}
.mast-join:hover{background:var(--blue-hover)}

.mega{position:absolute;top:100%;left:0;right:0;max-height:calc(100vh - var(--mast));overflow:auto;background:#fff;border-top:1px solid var(--g20);box-shadow:0 18px 42px rgba(0,0,0,.16)}
.mega[hidden]{display:none}
.mega-shell{display:grid;grid-template-columns:1.15fr 2fr auto;gap:24px;padding:24px 32px 28px;max-width:1584px;margin:0 auto}
.mega-feature{display:grid;grid-template-columns:180px 1fr;gap:16px;padding:14px;border:1px solid var(--g20);background:var(--g10)}
.mega-feature-image{overflow:hidden;background:var(--g20);min-height:140px}
.mega-feature-image img{width:100%;height:100%;object-fit:cover;display:block}
.mega-feature-copy{display:flex;flex-direction:column;justify-content:center;gap:10px}
.mega-feature-copy .eyebrow{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--g70)}
.mega-feature-copy h3{font-size:22px;font-weight:400;line-height:1.25;letter-spacing:-.02em;margin:0}
.mega-feature-copy a{color:var(--blue);font-size:14px;text-decoration:none}
.mega-feature-copy a:hover{text-decoration:underline}
.mega-panel-group{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding-top:2px}
.mega-column{display:flex;flex-direction:column;gap:4px}
.mega-column h4{font-family:var(--mono);font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--g60);margin:0 0 8px}
.mega-column a{display:block;padding:9px 10px;border:1px solid transparent;color:var(--g80);font-size:14px;text-decoration:none;transition:background .12s,color .12s,border-color .12s}
.mega-column a:hover{background:var(--blue-10);color:var(--blue);border-color:rgba(15,98,254,.12)}
.mega-column a span{display:block;font-size:12px;color:var(--g60);margin-top:2px}
.mega-actions{display:flex;flex-direction:column;justify-content:flex-end;gap:12px;padding-top:8px}
.mega-action-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 16px;background:var(--blue);color:#fff;font-size:14px;white-space:nowrap;text-decoration:none}
.mega-action-btn.secondary{background:transparent;border:1px solid var(--g20);color:var(--g100)}
.mega-action-btn:hover{filter:brightness(.98)}
.menu-backdrop{position:fixed;z-index:230;inset:var(--mast) 0 0;background:rgba(22,22,22,.45)}
.menu-backdrop[hidden]{display:none}

.search-popup{position:fixed;inset:0;z-index:260;display:grid;place-items:center;padding:24px}
.search-popup[hidden]{display:none}
.search-popup-backdrop{position:absolute;inset:0;background:rgba(17,17,17,.46)}
.search-popup-panel{position:relative;z-index:1;width:min(720px,calc(100vw - 28px));background:#fff;border:1px solid var(--g20);box-shadow:0 28px 80px rgba(0,0,0,.22);padding:20px 20px 14px}
.search-popup-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.search-popup-header .eyebrow{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--g70)}
.search-close{background:transparent;border:1px solid var(--g20);padding:8px 12px;font-size:12px;cursor:pointer;color:var(--g80);font-family:var(--sans)}
.search-close:hover{border-color:var(--blue);color:var(--g100)}
.search-field{display:block}
.search-field input{width:100%;border:0;border-bottom:2px solid var(--g30);background:var(--g10);padding:16px 14px;font-size:18px;letter-spacing:-.02em;color:var(--g100);outline:none;font-family:var(--sans)}
.search-field input::placeholder{color:var(--g60)}
.search-field input:focus{border-bottom-color:var(--blue);background:#fff}
.search-results{max-height:360px;margin-top:12px;overflow:auto}
.search-results[hidden]{display:none}
.search-result{display:flex;flex-direction:column;gap:3px;width:100%;padding:12px 10px;border:0;border-bottom:1px solid var(--g10);text-align:left;background:#fff;color:var(--g100);cursor:pointer;font-family:var(--sans);text-decoration:none}
.search-result:hover,.search-result:focus-visible{background:var(--blue-10);outline:none}
.search-result strong{font-size:14px;font-weight:500}
.search-result span{font-size:12px;color:var(--g70)}
.search-empty,.search-status{padding:16px 4px;color:var(--g70);font-size:13px}

@media (max-width:1100px){
  .primary-nav a:nth-child(n+7){display:none}
  .nav-search-field{width:196px}
}
@media (max-width:960px){
  .icon-btn.menu-toggle{display:grid}
  .primary-nav{display:none}
  .nav-search-field{width:min(180px,32vw)}
  .nav-search-hint{display:none}
  .mega-shell{grid-template-columns:1fr;padding:16px}
  .mega-feature{grid-template-columns:1fr}
  .mega-feature-image{height:140px}
  .mega-panel-group{grid-template-columns:1fr 1fr}
  .mega-actions{flex-direction:row;flex-wrap:wrap}
  .mast-join{display:none}
}
@media (max-width:640px){
  .masthead-inner{padding:0 12px}
  .nav-search-field{width:40px;padding:0;justify-content:center;border-bottom:0}
  .mega-panel-group{grid-template-columns:1fr}
}
body.nav-lock{overflow:hidden}