/**
 * Blok: header
 * BEM: header, header__element, header__element--modifier
 */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-subtle);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.header__logo {
  flex-shrink: 0;
  display: inline-flex;
}

.header__logo img {
  height: 34px;
  width: auto;
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.header__nav-item {
  position: relative;
}

.header__nav-link {
  display: inline-block;
  padding: 0.5rem 0;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-small);
}

.header__nav-link:hover,
.header__nav-link--active {
  color: var(--color-accent-light);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.header__cta {
  padding: 0.55rem 1rem;
}

.header__cta--login,
.header__cta--register {
  display: none;
}

.header__flag {
  display: none;
  border-radius: 3px;
}

.header__burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  order: 99;
}

.header__burger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-accent-light);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

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

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

.header__mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  max-height: 0;
  overflow: hidden;
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border-subtle);
  transition: max-height var(--transition-slow);
}

.header__mobile-menu[data-open='true'] {
  display: flex;
  max-height: 640px;
}

.header__mobile-menu nav {
  padding: 1.25rem var(--container-padding-inline) 0;
}

.header__mobile-list {
  display: flex;
  flex-direction: column;
}

.header__mobile-link {
  display: block;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

.header__mobile-link:hover,
.header__mobile-link--active {
  color: var(--color-accent-light);
}

.header__mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0 var(--container-padding-inline) 1.5rem;
}

@media (min-width: 768px) {
  .header__flag {
    display: block;
  }
}

@media (min-width: 1024px) {
  .header__nav {
    display: block;
  }

  .header__cta--login,
  .header__cta--register {
    display: inline-flex;
  }

  .header__burger {
    display: none;
  }

  .header__mobile-menu,
  .header__mobile-menu[data-open='true'] {
    display: none;
    max-height: 0;
  }
}