/* ============================================================
   Header block
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--color-bg-primary);
  border-bottom: var(--border-width) solid rgba(255, 194, 31, 0.14);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
}

.header__logo img { height: 32px; width: auto; }

.header__nav { display: none; }

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

.header__nav-item {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-main);
  transition: color var(--transition-base);
  padding-block: 0.4rem;
}
.header__nav-item:hover,
.header__nav-item--active {
  color: var(--color-accent-light);
}

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

.header__flag { display: none; font-size: 1.25rem; line-height: 1; }

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

.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
}
.header__burger-line {
  width: 22px;
  height: 2px;
  background: var(--color-accent-light);
  border-radius: 2px;
  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 {
  border-top: var(--border-width) solid rgba(255, 194, 31, 0.14);
  background: var(--color-bg-primary);
  padding: 1rem 1rem 1.5rem;
}
.header__mobile-menu[hidden] { display: none; }

.header__mobile-list {
  display: flex;
  flex-direction: column;
}
.header__mobile-item {
  display: block;
  padding: 0.85rem 0.25rem;
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  border-bottom: var(--border-width) solid rgba(212, 197, 177, 0.1);
}
.header__mobile-item:hover,
.header__mobile-item--active { color: var(--color-accent-light); }

.header__mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.header__mobile-actions .btn { width: 100%; padding: 0.9rem; }

@media (min-width: 1024px) {
  .header__nav { display: block; }
  .header__flag { display: inline-flex; }
  .header__login, .header__register { display: inline-flex; }
  .header__burger { display: none; }
  .header__mobile-menu { display: none; }
}