/* Compact shared navigation. Existing routes and disclosure controls are retained. */
.header .nav>ul{gap:clamp(5px,.65vw,10px)}
.header .nav-item{gap:0}
:root body .header .nav-item>a{padding:20px 3px;white-space:nowrap;font-size:.875rem;line-height:1.5}
.header .nav-item>button{display:grid;place-items:center;min-width:26px;width:26px;height:36px;min-height:36px;border-radius:7px;transition:background .15s,color .15s}
.header .nav-item>button:hover,.header .nav-item>button[aria-expanded=true]{background:var(--accent-soft);color:var(--blue)}
.nav-chevron{transition:transform .18s}
[aria-expanded=true]>.nav-chevron{transform:rotate(180deg)}
.header .nav-menu{top:calc(100% + 8px);left:0;right:0;width:min(1180px,calc(100% - 48px));margin-inline:auto;padding:0;background:var(--card);border:1px solid var(--line);border-radius:15px;box-shadow:0 20px 48px #0003;max-height:calc(100dvh - var(--header-height) - 28px);overflow:auto;isolation:isolate}
.header .nav-menu:before{content:"";display:block;height:3px;background:linear-gradient(90deg,#bfa76c,#dcd1aa 38%,#aebdce 75%,#c7d0da);position:sticky;top:0;z-index:1}
.header .nav-menu-inner{display:block;width:100%;padding:0 26px 24px}
.header .nav-menu-inner>.nav-menu-head{display:flex;align-items:center;gap:22px;min-height:68px;margin-bottom:20px;border-bottom:1px solid var(--line)}
.header .nav-menu-inner>.nav-menu-head h2{font-size:1.1rem;letter-spacing:-.015em;line-height:1.4;margin:0;color:var(--ink)}
.header .nav-menu-inner>.nav-menu-head>a{font-size:.875rem;line-height:1.5;font-weight:600;text-decoration:none;margin-left:auto;padding:10px 0}
.header .nav-menu-inner>.nav-menu-head>a:hover{text-decoration:underline}
.header .nav-menu-close{display:grid;place-items:center;width:36px;height:36px;flex:none;border:1px solid var(--line);border-radius:9px;background:var(--soft);color:var(--muted);font-size:1.5rem;line-height:1}
.header .nav-menu-close:hover{border-color:var(--blue);color:var(--ink)}
.header .nav-menu-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.header .nav-link-group{min-width:0;margin:0}
.header .nav-link-group+.nav-link-group{border-left:1px solid var(--line);padding-left:26px}
.header .nav-link-group h3{margin:0 0 9px;padding:0 10px;font-size:.875rem;font-weight:700;line-height:1.45;letter-spacing:0;color:var(--muted)}
.header .nav-link-group ul{display:block;padding:0;margin:0;list-style:none}
.header .nav-link-group li+li{margin-top:1px}
:root body .header .nav-link-group a{display:flex;align-items:center;min-height:40px;padding:9px 10px;border-radius:7px;font-size:.875rem;line-height:1.45;color:var(--ink);text-decoration:none;overflow-wrap:break-word;transition:background .15s,color .15s}
:root body .header .nav-link-group a:hover,:root body .header .nav-link-group a:focus-visible{background:var(--accent-soft);color:var(--blue);text-decoration:none}
:root body .header .nav-link-group a[aria-current=page]{background:var(--accent-soft);color:var(--blue);font-weight:650}

@media(max-width:1320px){
 .header .nav{padding:8px 24px 24px;background:var(--surface)}
 .header .nav-item{grid-template-columns:minmax(0,1fr) 48px;border-bottom:1px solid var(--line)}
 :root body .header .nav-item>a{white-space:normal;font-size:1rem;min-height:54px;padding:14px 4px;display:flex;align-items:center}
 .header .nav-item>button{width:44px;height:44px;min-width:44px;min-height:44px}
 .header .nav-item.open{padding-bottom:10px}
 .header .nav-menu{position:static;width:100%;margin:0;padding:0;border:0;border-radius:0;box-shadow:none;background:transparent;max-height:none;overflow:visible}
 .header .nav-menu:before{display:none}
 .header .nav-menu-inner{padding:0;display:block}
 .header .nav-menu-inner>.nav-menu-head{display:flex;min-height:44px;margin:0 0 14px;border:0;gap:0}
 .header .nav-menu-inner>.nav-menu-head h2,.header .nav-menu-close{display:none}
 .header .nav-menu-inner>.nav-menu-head>a{margin:0;padding:8px 4px;font-size:.875rem}
 .header .nav-menu-groups{gap:14px;padding:0}
 .header .nav-link-group,.header .nav-link-group+.nav-link-group{border:1px solid var(--line);border-radius:11px;background:var(--soft);padding:14px 10px 10px}
 .header .nav-link-group h3{padding:0 10px 10px;border-bottom:1px solid var(--line);margin:0 0 5px}
 :root body .header .nav-link-group a{min-height:44px;font-size:.9375rem;padding:10px}
}
@media(max-width:760px){
 .header .nav{padding-inline:16px}
 .header .nav-menu-groups{grid-template-columns:1fr;gap:12px}
 :root body .header .nav-link-group a{font-size:1rem}
}
@media(prefers-reduced-motion:reduce){.header .nav-chevron,.header .nav-item>button,.header .nav-link-group a{transition:none}}