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

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(7, 11, 29, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.header__logo {
  flex-shrink: 0;
  display: inline-flex;
}

.header__logo img {
  width: clamp(110px, 14vw, 150px);
  height: auto;
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
}

.header__nav-item {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  padding: 0.5rem 0;
  position: relative;
}

.header__nav-item:hover,
.header__nav-item--active {
  color: var(--color-heading-gold);
}

.header__nav-item--active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--color-heading-gold);
  border-radius: var(--radius-pill);
}

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

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

.header__locale {
  display: none;
  align-items: center;
  gap: 0.4rem;
}

.header__flag {
  border-radius: 3px;
}

.header__locale-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: 0.5px;
}

.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-card);
}

.header__burger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-heading-gold);
  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 flat menu panel */
.header__mobile-menu {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  background: var(--color-bg-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  transition: grid-template-rows var(--transition-base);
}

.header__mobile-menu.is-open {
  grid-template-rows: 1fr;
}

.header__mobile-menu-inner {
  min-height: 0;
  overflow: hidden;
}

.header__mobile-cta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem var(--container-padding) 0.5rem;
}

.header__mobile-list {
  display: flex;
  flex-direction: column;
  padding: 0.5rem var(--container-padding) 1.5rem;
}

.header__mobile-item {
  display: block;
  padding: 0.85rem 0;
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header__mobile-item:hover,
.header__mobile-item--active {
  color: var(--color-heading-gold);
}

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

@media (min-width: 1024px) {
  .header__nav {
    display: block;
  }

  .header__locale {
    display: flex;
  }

  .header__burger {
    display: none;
  }

  .header__mobile-menu {
    display: none;
  }
}