/* v389 — Four-group institutional navigation and header stability
   Scope: homepage entry surfaces. No protected data, auth, or workflow logic changes. */

body.v389-institutional-nav .tvh-header{
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,250,240,.96);
  border-bottom: 1px solid rgba(8,42,67,.12);
  box-shadow: 0 1px 0 rgba(8,42,67,.04);
}

body.v389-institutional-nav .tvh-header-inner{
  width: min(1840px, calc(100vw - 80px)) !important;
  max-width: none !important;
  min-height: 88px !important;
  margin: 0 auto !important;
  display: grid !important;
  grid-template-columns: auto minmax(520px, 1fr) auto auto auto !important;
  gap: clamp(14px, 1.25vw, 28px) !important;
  align-items: center !important;
  padding: 0 !important;
}

body.v389-institutional-nav .tvh-logo{
  min-width: max-content !important;
  display:flex !important;
  align-items:center !important;
  gap:14px !important;
  text-decoration:none !important;
}
body.v389-institutional-nav .tvh-logo-name{white-space:nowrap !important;}
body.v389-institutional-nav .tvh-logo-tag{white-space:nowrap !important;}

body.v389-institutional-nav .tvh-nav-primary.v389-nav-groups{
  display:flex !important;
  justify-content:center !important;
  align-items:center !important;
  gap: clamp(8px, .75vw, 16px) !important;
  min-width:0 !important;
  overflow: visible !important;
}

body.v389-institutional-nav .v389-nav-group{
  position:relative !important;
  margin:0 !important;
  flex: 0 0 auto !important;
}
body.v389-institutional-nav .v389-nav-group summary{
  list-style:none !important;
  cursor:pointer !important;
  user-select:none !important;
  display:inline-flex !important;
  align-items:center !important;
  gap:8px !important;
  min-height:42px !important;
  padding:0 10px !important;
  border-radius:999px !important;
  font-size:14px !important;
  line-height:1 !important;
  font-weight:700 !important;
  color:#082a43 !important;
  white-space:nowrap !important;
  border:1px solid transparent !important;
}
body.v389-institutional-nav .v389-nav-group summary::-webkit-details-marker{display:none !important;}
body.v389-institutional-nav .v389-nav-group summary::after{
  content:'⌄';
  font-size:12px;
  color:rgba(8,42,67,.55);
  transform:translateY(-1px);
}
body.v389-institutional-nav .v389-nav-group[open] summary,
body.v389-institutional-nav .v389-nav-group summary:hover{
  background:#fffdf6 !important;
  border-color:rgba(8,42,67,.14) !important;
}
body.v389-institutional-nav .v389-nav-menu{
  position:absolute !important;
  top:calc(100% + 10px) !important;
  left:0 !important;
  width:300px !important;
  padding:10px !important;
  display:grid !important;
  gap:6px !important;
  background:#fffdf6 !important;
  border:1px solid rgba(8,42,67,.14) !important;
  border-radius:18px !important;
  box-shadow:0 24px 70px rgba(8,42,67,.16) !important;
}
body.v389-institutional-nav .v389-nav-group:nth-last-child(-n+2) .v389-nav-menu{
  left:auto !important;
  right:0 !important;
}
body.v389-institutional-nav .v389-nav-menu a{
  display:grid !important;
  gap:3px !important;
  padding:11px 12px !important;
  border-radius:12px !important;
  text-decoration:none !important;
  color:#082a43 !important;
  font-size:13px !important;
  font-weight:800 !important;
  white-space:normal !important;
}
body.v389-institutional-nav .v389-nav-menu a:hover{background:rgba(8,42,67,.06) !important;}
body.v389-institutional-nav .v389-nav-menu a span{
  display:block !important;
  font-size:11px !important;
  color:rgba(8,42,67,.58) !important;
  font-weight:700 !important;
  line-height:1.3 !important;
}

body.v389-institutional-nav .tvh-search-trigger{
  justify-self:end !important;
  width:46px !important;
  min-width:46px !important;
  height:46px !important;
  padding:0 !important;
  display:inline-flex !important;
  align-items:center !important;
  justify-content:center !important;
  border:1px solid rgba(8,42,67,.18) !important;
  background:#fffdf6 !important;
  color:#082a43 !important;
  border-radius:0 !important;
  overflow:hidden !important;
}
body.v389-institutional-nav .tvh-search-trigger svg{width:19px !important;height:19px !important;display:block !important;}
body.v389-institutional-nav .tvh-search-trigger .label,
body.v389-institutional-nav .tvh-search-trigger .tvh-search-shortcut{display:none !important;}

body.v389-institutional-nav .tvh-nav-actions{
  display:flex !important;
  align-items:center !important;
  gap:18px !important;
  white-space:nowrap !important;
}
body.v389-institutional-nav .tvh-link-text{white-space:nowrap !important;}
body.v389-institutional-nav .tvh-cta-primary{white-space:nowrap !important;}

body.v389-institutional-nav .tvh-burger{
  display:none !important;
  width:46px !important;
  height:46px !important;
  margin:0 !important;
  justify-self:end !important;
}
body.v389-institutional-nav .tvh-burger::before{
  content:'☰';
  font-size:22px;
  line-height:1;
}

body.v389-institutional-nav .tvh-mobile-nav{display:none !important;}

body.v389-institutional-nav .v389-authority-ref{
  color:rgba(8,42,67,.64) !important;
  font-weight:800 !important;
}

@media (max-width: 1320px){
  body.v389-institutional-nav .tvh-header-inner{
    width:min(100vw - 44px, 1260px) !important;
    grid-template-columns:auto minmax(420px, 1fr) auto auto !important;
  }
  body.v389-institutional-nav .tvh-logo-tag{display:none !important;}
  body.v389-institutional-nav .v389-nav-group summary{font-size:13px !important;padding:0 8px !important;}
  body.v389-institutional-nav .tvh-link-text{display:none !important;}
}

@media (max-width: 1060px){
  body.v389-institutional-nav .tvh-header-inner{
    grid-template-columns:auto 1fr auto !important;
    min-height:82px !important;
  }
  body.v389-institutional-nav .tvh-nav-primary,
  body.v389-institutional-nav .tvh-search-trigger,
  body.v389-institutional-nav .tvh-nav-actions{
    display:none !important;
  }
  body.v389-institutional-nav .tvh-burger{
    display:inline-flex !important;
    align-items:center !important;
    justify-content:center !important;
    border:1px solid rgba(8,42,67,.18) !important;
    background:#fffdf6 !important;
    color:#082a43 !important;
  }
  body.v389-institutional-nav .tvh-mobile-nav{
    display:none !important;
    width:min(100vw - 44px, 1260px) !important;
    margin:0 auto 18px !important;
    background:#fffdf6 !important;
    border:1px solid rgba(8,42,67,.14) !important;
    border-radius:18px !important;
    padding:16px !important;
    box-shadow:0 24px 70px rgba(8,42,67,.14) !important;
  }
  body.v389-institutional-nav .tvh-mobile-nav.is-open,
  body.v389-institutional-nav .tvh-header:has(.tvh-burger[aria-expanded="true"]) .tvh-mobile-nav{
    display:block !important;
  }
}

@media (max-width: 620px){
  body.v389-institutional-nav .tvh-header-inner{width:calc(100vw - 24px) !important;}
  body.v389-institutional-nav .tvh-logo-name{font-size:18px !important;}
}