.primary-nav{
  display:flex;
  align-items:center;
  gap:.15rem;
}
.primary-nav .home-link,
.nav-toggle{
  min-height:44px;
  padding:.65rem .75rem;
  border:0;
  border-radius:6px;
  background:transparent;
  color:var(--ink);
  font:inherit;
  font-size:.88rem;
  font-weight:750;
  text-decoration:none;
  cursor:pointer;
}
.primary-nav .home-link:hover,
.nav-toggle:hover,
.nav-toggle[aria-expanded="true"]{
  background:#e6eeec;
  color:var(--teal);
}
.nav-toggle span{
  display:inline-block;
  margin-left:.2rem;
  transition:transform .2s ease;
}
.nav-toggle[aria-expanded="true"] span{transform:rotate(180deg)}
.nav-group{position:relative}
.mega-menu{
  position:fixed;
  top:74px;
  left:clamp(1rem,4vw,4.5rem);
  right:clamp(1rem,4vw,4.5rem);
  display:grid;
  grid-template-columns:1.25fr repeat(3,1fr);
  gap:1px;
  padding:1px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--line);
  box-shadow:0 28px 70px rgba(4,32,44,.18);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.nav-group.open .mega-menu{
  opacity:1;
  visibility:visible;
  transform:none;
}
.mega-menu>div{background:#fff;padding:1.35rem}
.mega-intro{
  background:var(--navy)!important;
  color:#fff;
}
.mega-intro span{
  display:block;
  margin-bottom:1.2rem;
  color:var(--lime);
  font-size:.7rem;
  font-weight:850;
  letter-spacing:.15em;
  text-transform:uppercase;
}
.mega-intro strong{
  display:block;
  max-width:280px;
  font-family:Georgia,serif;
  font-size:1.65rem;
  font-weight:500;
  line-height:1.08;
}
.mega-intro p{max-width:330px;color:#c9d5d8;font-size:.86rem}
.mega-intro a{color:var(--lime);font-size:.84rem;font-weight:800;text-decoration:none}
.mega-column{display:flex;flex-direction:column;gap:.3rem}
.mega-column>b{
  margin-bottom:.55rem;
  color:var(--teal);
  font-size:.7rem;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.mega-column>a{
  display:flex;
  flex-direction:column;
  padding:.62rem;
  border-radius:6px;
  text-decoration:none;
}
.mega-column>a:hover,
.mega-column>a:focus-visible{background:#eef4f2}
.mega-column strong{font-size:.88rem}
.mega-column small{color:var(--muted);font-size:.72rem}
.compact-menu{grid-template-columns:1.15fr 1fr 1fr}
.mini-menu{
  position:absolute;
  top:calc(100% + 14px);
  left:0;
  right:auto;
  width:310px;
  grid-template-columns:1fr;
}
.mini-menu.align-right{left:auto;right:0}
body.menu-open:after{
  content:"";
  position:fixed;
  z-index:30;
  inset:74px 0 0;
  background:rgba(7,27,38,.28);
}
@media(max-width:1180px){
  header{gap:1rem;padding-inline:1.25rem}
  #site-nav{gap:.65rem}
  .primary-nav .home-link,.nav-toggle{padding-inline:.55rem}
}
@media(max-width:980px){
  body.menu-open{overflow:hidden}
  #site-nav.open{
    max-height:calc(100vh - 88px);
    overflow:auto;
    gap:.7rem;
    border:1px solid var(--line);
    border-radius:10px;
  }
  #site-nav.open .primary-nav{display:flex;flex-direction:column;align-items:stretch;gap:.3rem}
  .primary-nav .home-link,.nav-toggle{display:flex;width:100%;align-items:center;justify-content:space-between;padding:.8rem;text-align:left}
  .mega-menu,.compact-menu,.mini-menu,.mini-menu.align-right{
    position:static;
    display:none;
    width:auto;
    grid-template-columns:1fr;
    margin:.25rem 0 .75rem;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
  }
  .nav-group.open .mega-menu{display:grid}
  .mega-menu>div{padding:1rem}
  .mega-intro strong{font-size:1.35rem}
  .mega-intro p{margin-block:.45rem}
  #site-nav .nav-cta{text-align:center}
  body.menu-open:after{display:none}
}
@media(prefers-reduced-motion:reduce){
  .mega-menu,.nav-toggle span{transition:none}
}