/* ==========================================================================
   Responsive Styles: Viewport Optimizations & Media Queries
   ========================================================================== */

/* Tablet & Mobile Screens (<= 768px) */
@media (max-width: 768px) {
  :root {
    --nav-height: 3.5rem;
    --content-max-width: 100%;
  }

  html {
    font-size: 15px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.35rem;
  }

  .site-container,
  .site-container-wide {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .main-content {
    padding-top: 1.75rem;
    padding-bottom: 3.5rem;
  }

  /* Mobile Navigation Menu */
  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem 1.5rem 1.25rem;
    gap: 0.75rem;
    box-shadow: 0 10px 15px -3px var(--shadow-menu);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 0.6rem 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-link.active {
    border-bottom-color: var(--text-primary);
  }

  /* Cards Grid */
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  table {
    font-size: 0.875rem;
  }

  th, td {
    padding: 0.5rem 0.65rem;
  }

  /* Pre & Code */
  pre {
    padding: 0.75rem 1rem;
    font-size: 0.825rem;
  }

  /* Footer */
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 1rem;
  }

  #home-footer {
    gap: 1rem;
  }
}

/* Profile layout on tablets and smaller screens */
@media (max-width: 1024px) {
  .profile-layout {
    display: block;
  }

  .profile-card {
    width: 100%;
    max-width: none;
    margin: 0 0 1.5rem;
  }

  .profile-image {
    width: 60%;
    max-width: 200px;
  }

  .profile-body {
    width: 100%;
  }
}

/* Small Mobile Screens (<= 480px) */
@media (max-width: 480px) {
  .pub-links {
    flex-wrap: wrap;
  }

  .card-thumbnail-wrapper {
    height: 140px;
  }
}