.site-header{
  position: sticky;
  top: 0;
  z-index: 999;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 13, 25, .72);
  backdrop-filter: blur(12px);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  min-width: 250px;
}

.brand-logo{ width: 42px; height: 42px; }
.brand-text strong{ font-size: 16px; }
.brand-text span{ font-size: 12px; color: var(--muted); }

.nav{ display:flex; align-items:center; }
.nav-toggle{
  display:none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  border-radius: 12px;
  padding: 10px 12px;
}
.nav-toggle-bars{
  display:block; width: 18px; height: 2px; background: var(--text);
  position: relative;
}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:""; position:absolute; left:0; width:18px; height:2px; background: var(--text);
}
.nav-toggle-bars::before{ top:-6px; }
.nav-toggle-bars::after{ top:6px; }

.nav-menu{
  display:flex;
  align-items:center;
  gap: 12px;
}

.nav-link{
  padding: 10px 10px;
  border-radius: 12px;
  color: rgba(229,231,235,.92);
}
.nav-link:hover{ background: rgba(255,255,255,.06); }

.nav-cta{ margin-left: 6px; }

.nav-dropdown{ position: relative; }
.nav-dropbtn{ cursor:pointer; }
.nav-drop{
  position:absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 220px;
  border: 1px solid var(--line);
  background: rgba(15, 23, 42, .92);
  border-radius: 14px;
  padding: 8px;
  box-shadow: var(--shadow);
  display:none;
}
.nav-dropdown[data-open="true"] .nav-drop{ display:block; }
.nav-drop .nav-link{ display:block; }

@media (max-width: 980px){
  .nav-toggle{ display:inline-flex; }
  .nav-menu{
    position:absolute;
    right: 20px;
    top: 68px;
    width: min(420px, calc(100% - 40px));
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    border: 1px solid var(--line);
    background: rgba(15, 23, 42, .95);
    border-radius: 16px;
    display:none;
  }
  .nav-menu[data-open="true"]{ display:flex; }
  .nav-cta{ width: 100%; margin-left: 0; }
}