/* ==========================================================================
   blocks/header/header.css
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-cool-accent);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.75rem;
}

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

.header__nav {
  display: none;
}

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

.header__nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-main);
  padding-block: 0.5rem;
  position: relative;
}

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

.header__nav-link--active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--color-heading-accent);
}

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

.header__login,
.header__register {
  display: inline-flex;
  padding: 0.5rem 0.7rem;
  font-size: 0.72rem;
  white-space: nowrap;
}

.header__flag {
  display: none;
  border-radius: 2px;
  overflow: hidden;
  line-height: 0;
}

.header__burger {
  position: relative;
  width: 34px;
  height: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: var(--z-burger);
}

.header__burger-line {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-white);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.header__burger[aria-expanded="true"] .header__burger-line:nth-child(1) {
  transform: translateY(13px) 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(-13px) rotate(-45deg);
}

.header__mobile {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-cool-accent);
  padding: 1.25rem var(--container-padding) 2rem;
}

.header__mobile[hidden] {
  display: none;
}

.header__mobile-list {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.header__mobile-link {
  display: block;
  padding: 0.85rem 0.25rem;
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-main);
  border-bottom: 1px solid rgba(57, 73, 80, 0.5);
}

.header__mobile-link--active {
  color: var(--color-heading-accent);
}

.header__mobile-actions {
  display: grid;
  gap: 0.75rem;
}

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

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

  .header__login,
  .header__register {
    padding: 0.75rem 1.25rem;
    font-size: var(--font-size-sm);
  }

  .header__burger {
    display: none;
  }
}