/* ==========================================================================
   Header block
   ========================================================================== */

.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: 2.25rem;
  width: auto;
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.75rem);
}

.header__nav-link {
  font-weight: var(--fw-medium);
  font-size: var(--fs-body);
  color: var(--color-white);
  padding-block: 0.5rem;
  position: relative;
  transition: color var(--transition-fast);
}

.header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--color-accent-yellow);
  transition: right var(--transition-fast);
}

.header__nav-link:hover,
.header__nav-link:focus-visible,
.header__nav-link.is-active {
  color: var(--color-accent-yellow);
}

.header__nav-link.is-active::after,
.header__nav-link:hover::after {
  right: 0;
}

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

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

.header__flag {
  display: none;
  font-size: 1.35rem;
  line-height: 1;
}

.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.3rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-card);
  order: 2;
}

.header__burger-line {
  display: block;
  width: 1.5rem;
  height: 2px;
  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(6px) 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(-6px) rotate(-45deg);
}

.header__mobile-menu {
  display: none;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.25rem clamp(1rem, 3vw, 2.5rem) 1.75rem;
  background: var(--color-bg-dark);
}

.header__mobile-menu.is-open {
  display: flex;
}

.header__mobile-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.header__mobile-link {
  display: block;
  padding: 0.75rem 0.25rem;
  font-size: 1rem;
  font-weight: var(--fw-medium);
  color: var(--color-white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.header__mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.header__mobile-actions .btn {
  width: 100%;
}

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

  .header__action {
    display: inline-flex;
  }

  .header__flag {
    display: inline-flex;
  }

  .header__burger {
    display: none;
  }

  .header__mobile-menu,
  .header__mobile-menu.is-open {
    display: none;
  }
}