.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(248,250,252,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(29,78,216,.12);
  box-shadow:0 8px 24px rgba(15,23,42,.05);
}
.site-header-inner{
  position:relative;
  width:100%;
  max-width:1400px;
  min-height:72px;
  margin:0 auto;
  padding:12px 20px;
  display:flex;
  flex-wrap:nowrap;
  align-items:center;
  gap:14px;
}
.brand{
  display:flex;
  flex:0 0 auto;
  min-width:0;
  align-items:center;
  gap:12px;
  color:var(--text,#0f172a);
  text-decoration:none;
}
.brand-mark{
  display:grid;
  width:44px;
  height:44px;
  flex:0 0 44px;
  place-items:center;
  border-radius:14px;
  background:linear-gradient(135deg,var(--brand-dark,#0f172a),var(--brand,#1d4ed8));
  color:#fff;
  font-weight:800;
  box-shadow:0 12px 24px rgba(29,78,216,.18);
}
.brand-copy{
  display:flex;
  min-width:0;
  flex-direction:column;
  line-height:1.1;
}
.brand-name{
  color:var(--text,#0f172a);
  font-size:1rem;
  font-weight:800;
  white-space:nowrap;
}
.brand-tag{
  color:var(--muted,#475569);
  font-size:.82rem;
  white-space:nowrap;
}
.site-header-menu{
  display:flex;
  flex:1 1 auto;
  min-width:0;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
  margin-left:auto;
}
.site-nav{
  display:flex;
  min-width:0;
  flex-wrap:nowrap;
  align-items:center;
  justify-content:flex-end;
  gap:3px;
}
.site-nav a{
  padding:8px;
  border:1px solid transparent;
  border-radius:999px;
  color:var(--text,#0f172a);
  font-size:.84rem;
  font-weight:700;
  line-height:1.2;
  text-decoration:none;
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.site-nav a:hover,
.site-nav a:focus-visible{
  background:#fff;
  border-color:rgba(29,78,216,.26);
  outline:none;
}
.site-nav a[aria-current="page"]{
  color:var(--brand,#1d4ed8);
  background:#fff;
  border-color:rgba(29,78,216,.18);
  box-shadow:0 6px 16px rgba(29,78,216,.08);
}
.site-header-cta{
  display:inline-flex;
  min-height:44px;
  flex:0 0 auto;
  align-items:center;
  justify-content:center;
  padding:0 16px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--brand,#1d4ed8),#2563eb);
  color:#fff;
  font-weight:800;
  line-height:1.2;
  text-decoration:none;
  white-space:nowrap;
  box-shadow:0 14px 26px rgba(29,78,216,.22);
}
.site-header-cta:hover,
.site-header-cta:focus-visible{
  color:#fff;
  outline:none;
  transform:translateY(-1px);
}
.site-menu-toggle{
  display:none;
  min-height:44px;
  align-items:center;
  justify-content:center;
  gap:9px;
  margin-left:auto;
  padding:0 13px;
  border:1px solid rgba(29,78,216,.18);
  border-radius:12px;
  background:#fff;
  color:var(--text,#0f172a);
  cursor:pointer;
  font:inherit;
  font-size:.9rem;
  font-weight:800;
}
.site-menu-toggle:hover,
.site-menu-toggle:focus-visible{
  border-color:rgba(29,78,216,.42);
  color:var(--brand,#1d4ed8);
  outline:none;
}
.site-menu-toggle-icon,
.site-menu-toggle-icon::before,
.site-menu-toggle-icon::after{
  display:block;
  width:20px;
  height:2px;
  border-radius:999px;
  background:currentColor;
  transition:transform .2s ease,opacity .2s ease;
}
.site-menu-toggle-icon{position:relative}
.site-menu-toggle-icon::before,
.site-menu-toggle-icon::after{
  content:"";
  position:absolute;
  left:0;
}
.site-menu-toggle-icon::before{transform:translateY(-6px)}
.site-menu-toggle-icon::after{transform:translateY(6px)}
.site-menu-toggle[aria-expanded="true"] .site-menu-toggle-icon{background:transparent}
.site-menu-toggle[aria-expanded="true"] .site-menu-toggle-icon::before{transform:rotate(45deg)}
.site-menu-toggle[aria-expanded="true"] .site-menu-toggle-icon::after{transform:rotate(-45deg)}

@media (max-width:1320px){
  .site-header-inner{min-height:68px;padding:10px 16px}
  .site-menu-toggle{display:inline-flex}
  .site-header-menu{
    position:absolute;
    top:calc(100% + 8px);
    right:16px;
    left:16px;
    width:auto;
    max-height:calc(100vh - 92px);
    margin:0;
    padding:14px;
    overflow-y:auto;
    display:grid;
    gap:14px;
    background:rgba(255,255,255,.99);
    border:1px solid rgba(29,78,216,.14);
    border-radius:16px;
    box-shadow:0 18px 40px rgba(15,23,42,.16);
  }
  .site-header-menu[hidden]{display:none}
  .site-menu-toggle[aria-expanded="false"] + .site-header-menu{display:none}
  .site-menu-toggle[aria-expanded="true"] + .site-header-menu{display:grid}
  .site-nav{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:6px;
  }
  .site-nav a{
    padding:10px 12px;
    border-radius:10px;
    background:var(--bg,#f8fafc);
    border-color:rgba(29,78,216,.08);
  }
  .site-header-cta{width:100%}
}
@media (max-width:640px){
  .brand-mark{width:40px;height:40px;flex-basis:40px;border-radius:12px}
  .brand-tag{display:none}
  .site-menu-toggle-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
  .site-menu-toggle{width:44px;padding:0}
  .site-nav{grid-template-columns:1fr}
}
@media (max-width:380px){
  .brand-name{font-size:.9rem}
  .site-header-inner{padding-right:12px;padding-left:12px}
  .site-header-menu{right:12px;left:12px}
}
@media (prefers-reduced-motion:reduce){
  .site-nav a,
  .site-header-cta,
  .site-menu-toggle-icon,
  .site-menu-toggle-icon::before,
  .site-menu-toggle-icon::after{transition:none}
}