/* Responsive Design - Multi-Device Combat Operations */

/* Tablet Devices (768px - 1199px) */
@media (max-width: 1199px) {
  .games-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-stats {
    gap: var(--spacing-lg);
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
    box-sizing: border-box;
  }
  
  .contact-form-container {
    padding: var(--spacing-md);
  }
}

/* Mobile Devices (max-width: 767px) */
@media (max-width: 767px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-darker);
    flex-direction: column;
    padding: var(--spacing-lg);
    transition: left 0.3s ease;
    border-top: 2px solid var(--primary-green);
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger-menu {
    display: flex;
  }

  .hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

  .hamburger-menu.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .games-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .section-title {
    font-size: 1.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .game-detail-title {
    font-size: 1.75rem;
  }

  .game-detail-header {
    height: 250px;
  }

  .game-detail-actions {
    flex-direction: column;
  }

  .exit-button {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
  }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .hero-section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .stat-number {
    font-size: 2rem;
  }

  .game-thumbnail {
    height: 180px;
  }
  
  /* 确保contact页面在小屏幕上完全适配 */
  .contact-section {
    padding: 0 var(--spacing-sm);
    width: 100%;
    box-sizing: border-box;
  }
  
  .contact-info,
  .contact-form-container {
    width: 100%;
    box-sizing: border-box;
    padding: var(--spacing-md);
    margin: 0;
  }
}