.header {
  height: var(--header-height);
  width: 100%;
  background-color: var(--white-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-color);
  z-index: 110;
}

.header__brand-logo {
  height: 40px;
  width: auto;
}

.header__brand-name {
  font-size: 1.5rem;
  font-weight: 700;
}

.header__toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-color);
  z-index: 110;
}

.header__nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.header__nav--visible {
  opacity: 1;
  visibility: visible;
}

.header__nav-link {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-color-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.header__nav-link:hover {
  color: var(--primary-color);
}

.header__nav-link.active {
  color: var(--primary-color);
  font-weight: 600;
}

.header__actions {
  display: none;
}

.header__mobile-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background-color: var(--secondary-color);
  padding: 0.3rem;
  border-radius: 6px;
}

.language-switcher__button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-color-light);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.language-switcher__button.active {
  background-color: var(--white-color);
  color: var(--primary-color);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.language-switcher__divider {
  color: var(--border-color);
}

@media (min-width: 992px) {
  .header__toggle,
  .header__mobile-controls {
    display: none;
  }
  .header__nav {
    position: static;
    flex-direction: row;
    height: auto;
    width: auto;
    background-color: transparent;
    backdrop-filter: none;
    gap: 2rem;
    opacity: 1;
    visibility: visible;
  }
  .header__nav-link {
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
  }
  .header__nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
  }
  .header__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
}