components/footer.js

class CustomFooter extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        :host {
          display: block;
          margin-top: 4rem;
        }
        
        footer {
          background: rgba(17, 24, 39, 0.9);
          border-top: 1px solid rgba(255, 255, 255, 0.1);
          padding: 2rem 0;
        }
        
        .container {
          max-width: 1200px;
          margin: 0 auto;
          padding: 0 1rem;
        }
        
        .footer-content {
          display: flex;
          flex-direction: column;
          align-items: center;
          gap: 1.5rem;
        }
        
        .footer-logo {
          display: flex;
          align-items: center;
          gap: 0.75rem;
          font-weight: 700;
          font-size: 1.25rem;
          background: linear-gradient(90deg, #3b82f6, #8b5cf6);
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
        }
        
        .footer-links {
          display: flex;
          gap: 2rem;
          flex-wrap: wrap;
          justify-content: center;
        }
        
        .footer-links a {
          color: #9ca3af;
          text-decoration: none;
          transition: color 0.3s ease;
        }
        
        .footer-links a:hover {
          color: #3b82f6;
        }
        
        .copyright {
          color: #6b7280;
          text-align: center;
          font-size: 0.875rem;
        }
        
        @media (max-width: 768px) {
          .footer-links {
            gap: 1rem;
          }
        }
      </style>
      
      <footer>
        <div class="container">
          <div class="footer-content">
            <div class="footer-logo">
              <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                <path d="M11.767 19.089c4.924.868 6.14-6.025 1.216-6.894m-1.216 6.894L5.86 18.047m5.908 1.042-.347 1.97m1.563-8.864c4.924.869 6.14-6.025 1.215-6.893m-1.215 6.893-3.94-.695m5.155-6.2-.347-1.97m-5.807 4.048c4.924.868 6.14-6.026 1.215-6.894m-1.215 6.894L5.86 5.953m5.908-1.042-.347-1.97M7.48 9.855c-4.924-.868-6.14 6.026-1.215 6.894m1.215-6.894l5.908 1.042m-5.908-1.042-.347 1.97"/>
              </svg>
              Bitcoin Transfer Pro
            </div>
            
            <div class="footer-links">
              <a href="#">Documentation</a>
              <a href="#">API Reference</a>
              <a href="#">Security</a>
              <a href="#">Privacy Policy</a>
              <a href="#">Terms of Service</a>
            </div>
            
            <div class="copyright">
              &copy; 2023 Bitcoin Transfer Pro. All rights reserved. Securely transfer your Bitcoin assets.
            </div>
          </div>
        </div>
      </footer>
    `;
  }
}

customElements.define('custom-footer', CustomFooter);