/* ─── Post Navigation ─── */
.single-article__nav {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
  }
  .single-article__nav a {
    background: #00d4ff;
    color: #002b5b;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
  }