/* Mr. McLean Math — authoritative shared header. Do not override per page. */
html{scrollbar-gutter:stable;}
body{margin:0;}
body > header.site-global-header{
  box-sizing:border-box !important;
  width:100% !important;
  height:85px !important;
  min-height:85px !important;
  margin:0 !important;
  padding:0 !important;
  background:rgba(255,255,255,.88) !important;
  backdrop-filter:blur(7px) !important;
  -webkit-backdrop-filter:blur(7px) !important;
  border-top:6px solid #3d3f45 !important;
  border-right:0 !important;
  border-bottom:1px solid rgba(201,203,208,.9) !important;
  border-left:0 !important;
  border-radius:0 !important;
  position:sticky !important;
  top:0 !important;
  z-index:1000 !important;
  box-shadow:none !important;
  font-family:"Trebuchet MS",Arial,sans-serif !important;
}
body > header.site-global-header .site-global-topbar{
  box-sizing:border-box !important;
  width:min(100% - 36px,1380px) !important;
  max-width:1380px !important;
  height:78px !important;
  min-height:78px !important;
  margin:0 auto !important;
  padding:10px 0 !important;
  display:grid !important;
  grid-template-columns:minmax(0,1fr) 198px !important;
  align-items:center !important;
  gap:18px !important;
}
body > header.site-global-header nav.site-global-nav{
  box-sizing:border-box !important;
  width:100% !important;
  max-width:none !important;
  height:58px !important;
  min-height:58px !important;
  margin:0 !important;
  padding:6px 2px !important;
  display:grid !important;
  grid-template-columns:repeat(5,minmax(80px,1fr)) !important;
  align-items:stretch !important;
  gap:8px !important;
  overflow:visible !important;
  border:0 !important;
  background:transparent !important;
}
body > header.site-global-header nav.site-global-nav > a{
  box-sizing:border-box !important;
  width:100% !important;
  height:46px !important;
  min-height:46px !important;
  margin:0 !important;
  padding:0 !important;
  display:flex !important;
  align-items:center !important;
  justify-content:center !important;
  color:#4a4e56 !important;
  text-decoration:none !important;
  text-align:center !important;
  font-family:"Trebuchet MS",Arial,sans-serif !important;
  font-size:20px !important;
  font-style:normal !important;
  font-weight:900 !important;
  line-height:1 !important;
  letter-spacing:0 !important;
  white-space:nowrap !important;
  border:0 !important;
  border-radius:0 !important;
  background:transparent !important;
  box-shadow:none !important;
  transform:none !important;
  transition:color .2s ease,transform .2s ease !important;
}
body > header.site-global-header nav.site-global-nav > a:hover{
  color:#2218ff !important;
  transform:translateY(-2px) !important;
}
body > header.site-global-header nav.site-global-nav > a.active{
  color:#2218ff !important;
}
body > header.site-global-header .site-global-social{
  box-sizing:border-box !important;
  width:198px !important;
  height:46px !important;
  min-height:46px !important;
  margin:0 !important;
  padding:0 !important;
  display:flex !important;
  align-items:center !important;
  justify-content:flex-end !important;
  gap:10px !important;
  flex-wrap:nowrap !important;
}
body > header.site-global-header .site-global-social > a.site-global-social-icon{
  box-sizing:border-box !important;
  width:42px !important;
  height:42px !important;
  min-width:42px !important;
  min-height:42px !important;
  margin:0 !important;
  padding:0 !important;
  display:grid !important;
  place-items:center !important;
  border:0 !important;
  border-radius:50% !important;
  background:rgba(0,0,0,.07) !important;
  color:#555a63 !important;
  text-decoration:none !important;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.72) !important;
  transform:none !important;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease !important;
}
body > header.site-global-header .site-global-social > a.site-global-social-icon:hover{
  transform:translateY(-2px) scale(1.04) !important;
  background:rgba(0,0,0,.11) !important;
  color:#2218ff !important;
  box-shadow:0 8px 18px rgba(45,52,68,.14),inset 0 1px 0 rgba(255,255,255,.85) !important;
}
body > header.site-global-header .site-global-social svg{
  width:20px !important;
  height:20px !important;
  display:block !important;
}
@media(max-width:900px){
  body > header.site-global-header{height:auto !important;min-height:0 !important;position:relative !important;}
  body > header.site-global-header .site-global-topbar{width:min(100% - 24px,1380px) !important;height:auto !important;min-height:0 !important;grid-template-columns:minmax(0,1fr) 198px !important;gap:12px !important;}
  body > header.site-global-header nav.site-global-nav{height:58px !important;display:flex !important;justify-content:flex-start !important;gap:8px !important;overflow-x:auto !important;overscroll-behavior-inline:contain !important;scrollbar-width:none !important;-webkit-overflow-scrolling:touch !important;}
  body > header.site-global-header nav.site-global-nav::-webkit-scrollbar{display:none !important;}
  body > header.site-global-header nav.site-global-nav > a{flex:0 0 110px !important;width:110px !important;font-size:16px !important;}
}
@media(max-width:640px){
  body > header.site-global-header .site-global-topbar{width:100% !important;padding:10px 12px !important;grid-template-columns:1fr !important;}
  body > header.site-global-header nav.site-global-nav{width:100% !important;order:1 !important;}
  body > header.site-global-header .site-global-social{order:2 !important;width:100% !important;justify-content:center !important;}
}