.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 30%, rgba(255,255,255,0) 60%),
    linear-gradient(to bottom, rgba(10,10,10,0.98), rgba(10,10,10,0.94));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
}

.site-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: #fff;
  min-width: 0;
}

.site-logo {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: #111;
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(255,255,255,0.08);
}

.site-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: #f5f5f5;
  white-space: nowrap;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  text-decoration: none;
  color: #d7d7d7;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 14px;
  border-radius: 10px;
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.nav-link:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
  transform: translateY(-1px);
}

.mobile-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.mobile-nav-toggle span {
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px 14px;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav-link {
  text-decoration: none;
  color: #f2f2f2;
  font-weight: 700;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
}

.mobile-nav-link:hover {
  background: rgba(255,255,255,0.08);
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }

  .site-title {
    font-size: 0.95rem;
  }
}