:root {
  --gold: #9A7B4F;
  --olive: #6B6E3D;
  --black: #0b0b0b;
}

.custom-navbar {
  background: rgba(255, 253, 248, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background-color .3s ease, box-shadow .3s ease;
  font-family: 'Poppins', sans-serif;
}

.custom-navbar.scrolled {
  background: rgba(255, 253, 248, 0.98);
  box-shadow: 0 4px 20px rgba(154, 123, 79, .1);
}

.navbar-toggler {
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.navbar .nav-link {
  color: var(--black) !important;
  font-weight: 500;
  padding: .6rem 1rem;
  transition: color .25s ease, transform .25s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--gold) !important;
  transform: translateY(-2px);
}

.dropdown-menu {
  background: #fffdf8;
}

.dropdown-item:hover {
  background: rgba(154, 123, 79, 0.08);
  color: var(--gold);
}

.lang-switch .btn.active {
  background: var(--gold);
  color: #fff !important;
  border: 1px solid var(--gold);
}

.lang-switch .btn-group {
  gap: 6px; /* ปรับค่าระยะ เช่น 4px–10px ตามความชอบ */
}