/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  background: transparent;
  transition: var(--transition-base);
}

.header--scrolled {
  background: rgba(10, 14, 31, 0.6);
  backdrop-filter: blur(16px);
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.logo__image {
  height: 32px;
  width: auto;
}

.nav {
  display: flex;
  gap: var(--space-xl);
}

.nav--center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Responsive — hide nav and extras on small screens */
@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .header__actions .lang-switcher {
    display: none;
  }
}