@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    right: 20px;
    background: rgba(15, 25, 32, 0.98);
    padding: 20px;
    border-radius: 10px;
    width: 220px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  }

  .nav-links.show {
    display: flex;
  }

  .menu-icon {
    display: block;
  }

  .about-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-highlights {
    justify-content: center;
  }

  .about-text h2 {
    font-size: 30px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .section {
    padding: 80px 20px;
  }

  .trainer-grid {
    grid-template-columns: 1fr;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .contact-info {
    text-align: center;
  }

  .footer-container {
    text-align: center;
  }
}

@media (max-width: 900px) {
  .gallery-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .gallery-grid, .reviews-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}