/* ===== Header (GLOBAL) ===== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 9999;
  background: rgba(7, 18, 32, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.site-header-inner{
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Brand */
.site-brand{
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #eaf2ff;
  font-weight: 800;
  letter-spacing: .2px;
}

.site-brand-badge{
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 10px 22px rgba(0,0,0,.28);
}

.site-brand-text{
  font-size: 1.02rem;
  white-space: nowrap;
}

/* Nav */
.site-nav{
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a{
  color: rgba(234,242,255,.82);
  text-decoration: none;
  font-weight: 650;
  white-space: nowrap;
}

.site-nav a:hover{
  color: #fff;
}

/* Button */
.site-btn{
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(62, 175, 255, .35);
  background: rgba(255,255,255,.06);
  color: #eaf2ff;
  font-weight: 750;
  box-shadow: 0 10px 26px rgba(0,0,0,.22);
}

.site-btn:hover{
  background: rgba(255,255,255,.10);
}

/* Responsive */
@media (max-width: 820px){
  .site-header-inner{ padding: 12px 14px; }
  .site-brand-text{ display: none; }
  .site-nav{ gap: 14px; }
  .site-btn{ padding: 9px 14px; }
}