/* Site header — mobile burger + panel */

.site-header__burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0.375rem;
  background: transparent;
  color: hsl(var(--foreground));
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.site-header__burger:hover {
  background: hsl(var(--accent));
  color: hsl(var(--accent-foreground));
}

.site-header__burger:focus-visible {
  outline: 2px solid hsl(var(--primary));
  outline-offset: 2px;
}

.site-header__burger-box {
  position: relative;
  display: block;
  width: 1.25rem;
  height: 0.875rem;
}

.site-header__burger-line {
  position: absolute;
  left: 0;
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
  transition:
    transform 0.22s ease,
    opacity 0.18s ease,
    top 0.22s ease;
}

.site-header__burger-line:nth-child(1) {
  top: 0;
}

.site-header__burger-line:nth-child(2) {
  top: calc(50% - 1px);
}

.site-header__burger-line:nth-child(3) {
  top: calc(100% - 2px);
}

.site-header__burger[aria-expanded="true"] .site-header__burger-line:nth-child(1) {
  top: calc(50% - 1px);
  transform: rotate(45deg);
}

.site-header__burger[aria-expanded="true"] .site-header__burger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0.4);
}

.site-header__burger[aria-expanded="true"] .site-header__burger-line:nth-child(3) {
  top: calc(50% - 1px);
  transform: rotate(-45deg);
}

.site-header__mobile {
  display: none;
  border-top: 1px solid hsl(var(--border) / 0.55);
  background: hsl(var(--background) / 0.98);
}

.site-header__mobile.is-open {
  display: block;
  animation: site-header-mobile-in 0.22s ease;
}

.site-header__mobile-inner {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  width: min(100% - 0rem, 80rem);
  margin-inline: auto;
  padding: 0.75rem 1.5rem 1rem;
}

.site-header__mobile-link {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: hsl(var(--foreground));
  text-decoration: none;
}

.site-header__mobile-link:hover,
.site-header__mobile-link:focus-visible {
  background: hsl(var(--accent));
  color: hsl(var(--accent-foreground));
}

.site-header__mobile-lang {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.35rem;
  padding: 0.65rem 0.75rem 0.25rem;
  border-top: 1px solid hsl(var(--border) / 0.55);
}

@keyframes site-header-mobile-in {
  from {
    opacity: 0;
    transform: translateY(-0.35rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header__burger-line,
  .site-header__mobile.is-open {
    transition: none;
    animation: none;
  }
}

@media (min-width: 768px) {
  .site-header__burger,
  .site-header__mobile {
    display: none !important;
  }
}

body.site-header-menu-open {
  overflow: hidden;
}