.header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--color-bg-primary);
  box-shadow: var(--shadow-header);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.85rem;
}

.header__logo img {
  height: 36px;
  width: auto;
}

.header__nav-list {
  display: none;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__flag {
  font-size: 1.4rem;
  line-height: 1;
}

.header__login,
.header__register {
  display: none;
  padding: 0.6rem 1.1rem;
  font-size: var(--fs-small);
}

.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}

.header__burger-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.header__burger[aria-expanded="true"] .header__burger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__burger[aria-expanded="true"] .header__burger-bar:nth-child(2) {
  opacity: 0;
}

.header__burger[aria-expanded="true"] .header__burger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header__mobile-menu {
  max-height: 0;
  overflow: hidden;
  background: var(--color-bg-dark);
  transition: max-height var(--transition-slow);
}

.header__mobile-menu.is-open {
  max-height: 640px;
}

.header__mobile-list {
  display: flex;
  flex-direction: column;
  padding: 1rem var(--container-padding);
  gap: 0.25rem;
}

.header__mobile-link {
  display: block;
  padding: 0.75rem 0.25rem;
  font-weight: var(--fw-medium);
  color: var(--color-white);
  border-bottom: 1px solid rgba(245, 241, 234, 0.08);
}

.header__mobile-link.is-active {
  color: var(--color-gold);
}

.header__mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0 var(--container-padding) 1.25rem;
}

.header__nav-link.is-active {
  color: var(--color-gold);
}

@media (prefers-reduced-motion: reduce) {
  .header__burger-bar,
  .header__mobile-menu {
    transition: none;
  }
}

@media (min-width: 768px) {
  .header__burger {
    display: none;
  }

  .header__mobile-menu {
    display: none;
  }

  .header__nav-list {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 2rem);
  }

  .header__nav-link {
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--color-text-main);
    white-space: nowrap;
  }

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

  .header__login,
  .header__register {
    display: inline-flex;
  }
}