/* header.css */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-sm);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding-block: 0.65rem;
}
.header__logo img { height: 44px; width: auto; }

.header__nav-list { display: flex; align-items: center; gap: 0.35rem; }
.header__nav-link {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  color: var(--text);
  font-weight: var(--fw-semibold);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.header__nav-link:hover,
.header__nav-link--active { color: var(--white); background: rgba(255, 255, 255, 0.06); }

.header__actions { display: flex; align-items: center; gap: 0.75rem; }
.header__cta { display: flex; align-items: center; gap: 0.5rem; }
.header__cta--mobile { display: none; }
.header__flag svg { border-radius: 3px; }

.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  padding: 9px;
}
.header__burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.header__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile / large-mobile: burger menu, flat list (no dropdowns) */
@media (max-width: 991px) {
  .header__cta--desktop { display: none; }
  .header__burger { display: flex; }
  .header__nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--bg-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .header__nav.is-open { max-height: calc(100dvh - var(--header-h)); overflow-y: auto; }
  .header__nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: 0.5rem 1rem; }
  .header__nav-link { padding: 0.85rem 0.5rem; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .header__cta--mobile {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1rem;
  }
  .header__cta--mobile .btn { width: 100%; }
}