/* ==========================================================================
   RESPONSIVE STYLES
   ========================================================================== */

@media (max-width: 900px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.45rem; }

  .site-nav .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: #FFFFFF;
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
    align-items: flex-start;
    gap: 1rem;
  }

  .site-nav .nav-links.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .grid-4, .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}