/* ==========================================================================
   Header block
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-primary);
  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: var(--header-height);
}
.header__logo { display: inline-flex; flex-shrink: 0; }
.header__logo img { width: clamp(110px, 10vw, 150px); height: auto; }

.header__actions { display: flex; align-items: center; gap: 0.625rem; flex-shrink: 0; }
.header__login, .header__register {
  display: none;
  white-space: nowrap;
  padding: 0.55rem 1.1rem;
  font-size: var(--fs-small);
}
.header__flag {
  display: none;
  align-items: center;
  gap: 0.3rem;
  color: var(--color-text-main);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.03em;
}
.header__flag-icon {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  object-fit: cover;
}

.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0.5rem;
  border-radius: var(--radius-card);
}
.header__burger-line {
  display: block;
  width: 100%;
  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 — off canvas */
.header__nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: var(--color-bg-primary);
  padding: 1.5rem clamp(1rem, 5vw, 2.5rem) 2rem;
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}
.header__nav.header__nav--open {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
}
.header__nav-list {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}
.header__nav-link {
  display: block;
  padding: 0.9rem 0.25rem;
  font-size: 1.05rem;
  font-weight: var(--fw-medium);
  color: var(--color-text-main);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header__nav-link:hover,
.header__nav-link--active { color: var(--color-heading-gold); }
.header__mobile-cta {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 1200px) {
  .header__nav {
    position: static;
    inset: auto;
    background: none;
    padding: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    display: flex;
    align-items: center;
    overflow: visible;
  }
  .header__nav-list {
    display: flex;
    align-items: center;
    gap: clamp(0.85rem, 1.4vw, 1.5rem);
    margin-bottom: 0;
  }
  .header__nav-link {
    padding: 0.4rem 0;
    font-size: var(--fs-small);
    border-bottom: none;
    position: relative;
    white-space: nowrap;
  }
  .header__nav-link::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 2px;
    background: var(--color-heading-gold);
    transform: scaleX(0);
    transition: transform var(--transition-base);
  }
  .header__nav-link:hover::after,
  .header__nav-link--active::after { transform: scaleX(1); }
  .header__mobile-cta { display: none; }
  .header__nav-item--mobile-only { display: none; }
  .header__login, .header__register { display: inline-flex; }
  .header__flag { display: inline-flex; }
  .header__burger { display: none; }
}