.site-header{
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:1px solid var(--line, #cfd8e3);
  background:rgba(237,243,248,.92);
  backdrop-filter:blur(10px);
}

.site-header-inner{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.site-logo{
  display:inline-flex;
  align-items:center;
  flex-shrink:0;
}

.site-logo img{
  display:block;
  height:64px;
  width:auto;
  max-width:320px;
}

.site-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:18px;
  flex-wrap:wrap;
  flex:1;
}

.site-nav a{
  color:var(--muted, #5b6472);
  font-size:.95rem;
  font-weight:700;
  text-align:center;
}

.site-nav a:hover{
  color:var(--primary, #114c7a);
}

.site-footer{
  padding:28px 0;
  border-top:1px solid var(--line, #cfd8e3);
  color:var(--muted, #5b6472);
}

@media (max-width:860px){
  .site-header-inner{
    min-height:auto;
    padding:14px 0;
    flex-direction:column;
    align-items:flex-start;
  }

  .site-nav{
    justify-content:flex-start;
    gap:14px;
  }

  .site-logo img{
    height:34px;
    max-width:200px;
  }
}

.site-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 8px;
  background: #111;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}

.site-header-cta:hover {
  background: #333;
}

.site-header-cta:focus-visible {
  outline: 2px solid #111;
  outline-offset: 3px;
}

@media (max-width: 768px) {
  .site-header-inner {
    flex-wrap: wrap;
  }

  .site-header-cta {
    width: 100%;
  }
}