/* Footer */
    footer {
      background: var(--bg-white);
      padding: 48px 20px 24px;
      color: var(--text-dark);
    }

    .footer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-logo img {
      width: 24px;
      height: 24px;
    }

    .footer-logo-text {
      font-size: 16px;
      font-weight: 600;
    }

    .footer-logo-text span {
      font-weight: 400;
    }

    .theme-toggle {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-gray);
    }

    .toggle-switch {
      width: 40px;
      height: 22px;
      background: var(--border-color);
      border-radius: 11px;
      position: relative;
      cursor: pointer;
    }

    .toggle-switch::after {
      content: '';
      position: absolute;
      top: 2px;
      left: 2px;
      width: 18px;
      height: 18px;
      background: var(--bg-white);
      border-radius: 50%;
      transition: left 0.2s;
    }

    .footer-tagline {
      font-size: 13px;
      color: var(--text-gray);
      margin-bottom: 32px;
    }

    .footer-links {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-bottom: 32px;
    }

    .footer-column h4 {
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-column ul {
      list-style: none;
    }

    .footer-column li {
      margin-bottom: 12px;
    }

    .footer-column a {
      font-size: 13px;
      color: var(--text-gray);
      transition: color 0.2s;
    }

    .footer-column a:hover {
      color: var(--text-dark);
    }

    .social-links {
      display: flex;
      gap: 12px;
      margin-top: 8px;
    }

    .social-links a {
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--bg-gray);
      border-radius: 8px;
      transition: background 0.2s;
    }

    .social-links a:hover {
      background: var(--border-color);
    }

    .social-links img {
      width: 18px;
      height: 18px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
      font-size: 12px;
      color: var(--text-gray);
    }

    .footer-legal {
      display: flex;
      gap: 24px;
    }

    .footer-legal a:hover {
      color: var(--text-dark);
    }

    /* Responsive */
    @media (max-width: 600px) {
      .search-bar {
        display: none;
      }

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

      .browse-grid {
   grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 400px) {
      .artwork-grid,
      .auction-grid,
      .featured-grid,
      .curated-grid {
        grid-template-columns: 1fr;
      }

      .browse-grid {
        grid-template-columns: repeat(3, 1fr);
      }

      .featured-title
      {

        font-size: 70px;
      }
    }

    /* Chat Button */
    .chat-button {
      position: fixed;
      bottom: 24px;
      right: 24px;
      width: 56px;
      height: 56px;
      background: var(--bg-card-dark);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      transition: transform 0.2s;
      z-index: 100;
    }

    .chat-button:hover {
      transform: scale(1.05);
    }

    .chat-button svg {
      width: 24px;
      height: 24px;
      fill: var(--text-white);
    }