.sticky-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  transition: background 0.3s ease;
}

.sticky-header.scrolled {
  background: rgba(0, 0, 0, 0.8);
}

.sticky-header h1 {
  font-size: 1.5rem;
  color: #ffd700;
  margin: 0;
}

.sticky-header nav a {
  color: #ffffff;
  text-decoration: none;
  margin: 0 15px;
  font-weight: bold;
  transition: color 0.3s ease;
}

.sticky-header nav a:hover {
  color: #ffd700;
}