.header-area {
  width: 100%;
  transition: all 0.3s ease;
  z-index: 999;
}

.header-sticky-active {
  position: fixed;
  top: 0;
  left: 0;
  background-color: #fff;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  animation: slideDown 0.25s ease;
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}