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

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  min-height: var(--header-height);
}

.header__logo img {
  width: auto;
  height: 38px;
  object-fit: contain;
}

.header__nav {
  position: fixed;
  inset: var(--header-height) 0 auto 0;
  z-index: var(--z-overlay);
  display: grid;
  gap: var(--space-md);
  max-height: calc(100dvh - var(--header-height));
  overflow-y: auto;
  padding: var(--space-md) var(--container-pad) var(--space-xl);
  background-color: var(--color-bg-dark);
  transform: translateY(-120%);
  visibility: hidden;
  transition: transform var(--transition-base), visibility var(--transition-base);
}

.header__nav--open {
  transform: translateY(0);
  visibility: visible;
}

.header__nav-list {
  display: grid;
  gap: var(--space-2xs);
}

.header__nav-link {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-weight: var(--fw-medium);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

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

.header__nav-cta {
  display: grid;
  gap: var(--space-2xs);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
}

.header__cta { display: none; }

.header__flag {
  display: inline-flex;
  border-radius: 3px;
  overflow: hidden;
}

.header__burger {
  display: grid;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  align-content: center;
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
}

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

.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__backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background-color: rgba(0, 0, 0, 0.6);
}

@media (min-width: 768px) {
  .header__cta { display: inline-flex; }

  .header__nav {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 0;
    background: none;
    transform: none;
    visibility: visible;
    grid-auto-flow: column;
    align-items: center;
  }

  .header__nav-list {
    grid-auto-flow: column;
    gap: var(--space-2xs);
  }

  .header__nav-cta { display: none; }

  .header__burger { display: none; }

  .header__backdrop { display: none; }
}

@media (min-width: 1440px) {
  .header__nav-list { gap: var(--space-md); }
}