/* Language dropdown + i18n helpers */

.lang-dropdown {
  position: relative;
  flex-shrink: 0;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 34px;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--navy);
  background: var(--white);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
}

.lang-toggle:hover,
.lang-dropdown.is-open .lang-toggle {
  border-color: var(--navy);
  color: var(--navy);
}

.lang-toggle-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.lang-current {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
}

.lang-toggle-caret {
  width: 10px;
  height: 10px;
  transition: transform 0.25s var(--ease);
}

.lang-dropdown.is-open .lang-toggle-caret {
  transform: rotate(180deg);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 88px;
  margin: 0;
  padding: 0.35rem 0;
  list-style: none;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 28px rgba(26, 42, 94, 0.12);
  z-index: 120;
}

.lang-menu[hidden] {
  display: none;
}

.lang-menu button {
  display: block;
  width: 100%;
  padding: 0.55rem 0.9rem;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-align: left;
  color: var(--navy-muted);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.lang-menu button:hover {
  color: var(--accent);
  background: rgba(26, 42, 94, 0.04);
}

.lang-menu button.is-active {
  color: var(--navy);
  background: rgba(26, 42, 94, 0.07);
}

html[lang="en"] .business-label-en,
html[lang="en"] .why-label-en,
html[lang="en"] .partners-heading-en,
html[lang="en"] .feature-heading-en,
html[lang="zh-CN"] .business-label-en,
html[lang="zh-CN"] .why-label-en,
html[lang="zh-CN"] .partners-heading-en,
html[lang="zh-CN"] .feature-heading-en,
html[lang="mn"] .business-label-en,
html[lang="mn"] .why-label-en,
html[lang="mn"] .partners-heading-en,
html[lang="mn"] .feature-heading-en {
  display: none;
}

html[lang="en"] .hero-title,
html[lang="en"] .business-heading,
html[lang="en"] .why-heading,
html[lang="en"] .medical-main h2,
html[lang="en"] .footer-cta-text h2,
html[lang="zh-CN"] .hero-title,
html[lang="zh-CN"] .business-heading,
html[lang="zh-CN"] .why-heading,
html[lang="zh-CN"] .medical-main h2,
html[lang="zh-CN"] .footer-cta-text h2,
html[lang="mn"] .hero-title,
html[lang="mn"] .business-heading,
html[lang="mn"] .why-heading,
html[lang="mn"] .medical-main h2,
html[lang="mn"] .footer-cta-text h2 {
  letter-spacing: 0.02em;
}

html[lang="en"] .hero-actions .btn,
html[lang="en"] .shop-text .btn,
html[lang="en"] .medical-main .btn,
html[lang="en"] .btn-cta,
html[lang="en"] .btn-sm {
  font-family: var(--font-en);
}