.header-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 24px;
  z-index: 1000;
  display: flex;
  justify-content: center;
  pointer-events: none; /* Let clicks pass through outside the actual header */
}

.header {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1000px;
  height: 64px;
  padding: 0 28px;
  background: var(--background-pill);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-pill);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.header:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 45px rgba(0, 0, 0, 0.5);
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: #fff;
}

.logo-icon {
  width: 24px;
  height: 24px;
  color: var(--primary-color);
}

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

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--border-radius-pill);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
  color: #fff;
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 55%;
  height: 2px;
  border-radius: 1px;
  background: var(--primary-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--border-radius-pill);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-selector:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #fff;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Mobile Nav container state defaults */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav {
    display: none; /* Will handle mobile state in JS or via responsive.css overlay */
  }
  
  .lang-selector {
    display: none;
  }
}