.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 1rem 0 1rem;
  }
  
  .navbar h1 {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.9rem;
  }
  
  .navbar h1 span {
    color: var(--text);
    font-weight: 600;
  }
  
  .navbar .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent);
  }
  header.is-scrolled {
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    transition: background-color 0.3s ease;
  }
  header {
    position: sticky;
    top: 0;
    z-index: 10;
  }