@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .cards,
  .players {
    grid-template-columns: 1fr 1fr;
  }

  .join-container {
    flex-direction: column;
    align-items: center;
  }

  .leaderboard {
    width: 400px;
  }
}

@media (max-width: 600px) {
  .header {
    flex-direction: column;
    gap: 15px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .cards,
  .players {
    grid-template-columns: 1fr;
  }

  .hero-text h1 {
    font-size: 32px;
  }

  .hero-text p {
    font-size: 16px;
  }

  .join-form-box,
  .leaderboard {
    width: 100%;
  }

  .section {
    padding: 50px 20px;
  }
}