.dv-nav .dv-site-nav-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.dv-header .dv-container.dv-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.dv-site-mega-wrap { position: relative; }

.dv-site-mega-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--dv-border, #ddd);
  border-radius: var(--dv-radius-md, 8px);
  background: var(--dv-bg-card, #fff);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--dv-text, #1a1a2e);
}

.dv-site-mega-trigger:hover { border-color: var(--dv-iau-blue, #003087); color: var(--dv-iau-blue, #003087); }

.dv-site-mega-panel {
  display: none;
  position: absolute;
  top: calc(100% + 0.5rem);
  inset-inline-start: 0;
  width: min(960px, 96vw);
  padding: 1.25rem;
  background: var(--dv-bg-card, #fff);
  border: 2px solid var(--dv-gold, #D4AF37);
  border-radius: var(--dv-radius-xl, 16px);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.15);
  z-index: 1100;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.dv-site-mega-wrap.open .dv-site-mega-panel { display: grid; }

.dv-site-mega-section h4 {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--dv-iau-blue, #003087);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.dv-site-mega-section a {
  display: block;
  font-size: 0.78rem;
  padding: 0.25rem 0;
  color: var(--dv-text-muted, #555);
  text-decoration: none;
}

.dv-site-mega-section a:hover { color: var(--dv-iau-blue, #003087); text-decoration: underline; }

.dv-site-mega-section > a.section-main {
  font-weight: 600;
  color: var(--dv-text, #222);
  margin-bottom: 0.35rem;
}

.dv-lang-dropdown-wrap { position: relative; }

.dv-lang-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--dv-radius-md, 8px);
  border: 1px solid var(--dv-border, #ddd);
  background: var(--dv-bg-subtle, #f5f6f8);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 140px;
  justify-content: space-between;
}

.dv-lang-dropdown-panel {
  display: none;
  position: absolute;
  top: calc(100% + 0.35rem);
  inset-inline-end: 0;
  min-width: 200px;
  background: var(--dv-bg-card, #fff);
  border: 1px solid var(--dv-border, #ddd);
  border-radius: var(--dv-radius-lg, 12px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  z-index: 1100;
  overflow: hidden;
}

.dv-lang-dropdown-wrap.open .dv-lang-dropdown-panel { display: block; }

.dv-lang-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.65rem 1rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.88rem;
  text-align: inherit;
  color: var(--dv-text, #222);
}

.dv-lang-option:hover { background: var(--dv-bg-subtle, #f0f2f5); }

.dv-lang-option[aria-current="true"] {
  background: rgba(0, 48, 135, 0.08);
  font-weight: 700;
  color: var(--dv-iau-blue, #003087);
}

.dv-lang-auto-hint {
  font-size: 0.7rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 178, 169, 0.1);
  color: var(--dv-text-muted, #666);
  border-bottom: 1px solid var(--dv-border, #eee);
}

.dv-site-footer-lang {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  margin-top: 0.75rem;
}

.dv-site-footer-lang a {
  font-size: 0.85rem;
  text-decoration: none;
  color: inherit;
  opacity: 0.85;
}

.dv-site-footer-lang a:hover,
.dv-site-footer-lang a[aria-current="true"] {
  opacity: 1;
  font-weight: 700;
  color: var(--dv-gold, #D4AF37);
}

.dv-site-nav-links-inline {
  display: none;
}

@media (min-width: 900px) {
  .dv-site-nav-links-inline {
    display: flex;
    gap: 1rem;
    align-items: center;
  }
  .dv-site-nav-links-inline a {
    font-size: 0.88rem;
    text-decoration: none;
    color: var(--dv-text, #222);
    font-weight: 500;
  }
  .dv-site-nav-links-inline a:hover { color: var(--dv-iau-blue, #003087); }
}

@media (max-width: 768px) {
  .dv-site-mega-panel { grid-template-columns: 1fr 1fr; width: min(340px, 94vw); }
}

@media (max-width: 480px) {
  .dv-site-mega-panel { grid-template-columns: 1fr; }
}