nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 32px;
  background: rgba(10,10,10,0.55);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition);
}

nav.scrolled {
  background: rgba(10,10,10,0.85);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-logo-icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 6px;
}

.nav-logo span.ld-red {
  color: var(--red);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 40px;
  flex: 1;
  list-style: none;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  display: block;
  padding: 6px 14px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--white-dim);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: var(--white-faint);
}

.nav-links a.active {
  color: var(--red);
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.lang-btn {
  background: none;
  border: 1px solid var(--glass-border);
  color: var(--white-dim);
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn.active,
.lang-btn:hover {
  color: var(--white);
  border-color: var(--red);
  background: var(--red-soft);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: 12px;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 24px 20px;
  z-index: 99;
  transform: translateY(-10px);
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.mobile-menu a {
  padding: 10px 0;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--white-dim);
  border-bottom: 1px solid var(--white-faint);
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--red);
}

.mobile-lang {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .burger { display: flex; }
  .lang-switcher { margin-left: 8px; }
}