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

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

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.9rem;
}

.header__logo img {
  width: clamp(8.5rem, 8vw + 6rem, 9.5rem);
  height: auto;
}

/* ---- Desktop nav ---- */
.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 1.4vw, 1.75rem);
}

.header__nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.header__nav-link {
  color: var(--color-text-body);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  padding: 0.5rem 0.1rem;
}

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

.header__dropdown-toggle {
  color: var(--color-text-body);
  display: flex;
  align-items: center;
  padding: 0.25rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.header__dropdown-toggle:hover {
  color: var(--color-accent-light);
}

.header__nav-item--dropdown:hover .header__dropdown-toggle,
.header__dropdown-toggle[aria-expanded="true"] {
  transform: rotate(180deg);
  color: var(--color-accent-light);
}

.header__dropdown {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 0;
  min-width: 12.5rem;
  background: var(--color-card-bg);
  border-radius: var(--radius-card-sm);
  box-shadow: var(--shadow-card);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.header__nav-item--dropdown:hover .header__dropdown,
.header__nav-item--dropdown:focus-within .header__dropdown,
.header__dropdown--open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown-link {
  display: block;
  padding: 0.6rem 0.85rem;
  border-radius: 0.6rem;
  color: var(--color-text-body);
  font-size: var(--font-size-small);
}

.header__dropdown-link:hover {
  background: var(--color-bg-dark);
  color: var(--color-accent-light);
}

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

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

.header__cta {
  display: none;
  padding: 0.7rem 1.35rem;
  font-size: var(--font-size-small);
}

.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.3rem;
  width: 2.5rem;
  height: 2.5rem;
  order: 3;
}

.header__burger-line {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-pill);
  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);
}

/* ---- Mobile menu panel ---- */
.header__mobile-menu {
  border-top: 1px solid var(--color-border-subtle);
  background: var(--color-bg-primary);
  max-height: calc(100dvh - 4.5rem);
  overflow-y: auto;
}

.header__mobile-inner {
  padding-block: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.header__mobile-ctas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

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

.header__mobile-link {
  display: block;
  padding: 0.85rem 0.25rem;
  color: var(--color-white);
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  border-bottom: 1px solid var(--color-border-subtle);
}

.header__mobile-link--sub {
  padding-left: 1.25rem;
  color: var(--color-text-body);
  font-size: var(--font-size-small);
}

.header__mobile-link:hover {
  color: var(--color-accent-light);
}

.header__mobile-flag {
  padding-top: 0.75rem;
  color: var(--color-text-body);
  font-size: var(--font-size-small);
}

/* ---- Breakpoint: >=768px shows full desktop nav, hides burger ---- */
@media (min-width: 48em) {
  .header__nav {
    display: block;
  }

  .header__flag,
  .header__cta {
    display: inline-flex;
  }

  .header__burger,
  .header__mobile-menu {
    display: none;
  }
}