class CustomNavbar extends HTMLElement {
    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    position: fixed;
                    top: 0;
                    left: 0;
                    right: 0;
                    z-index: 1000;
                    transition: all 0.3s ease;
                }
                
                nav {
                    background: rgba(255, 255, 255, 0.95);
                    backdrop-filter: blur(10px);
                    -webkit-backdrop-filter: blur(10px);
                    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
                }
                
                .nav-container {
                    max-width: 1200px;
                    margin: 0 auto;
                    padding: 1rem 2rem;
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                }
                
                .logo {
                    font-size: 1.5rem;
                    font-weight: bold;
                    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
                    -webkit-background-clip: text;
                    -webkit-text-fill-color: transparent;
                    text-decoration: none;
                }
                
                .nav-links {
                    display: flex;
                    gap: 2rem;
                    align-items: center;
                    list-style: none;
                    margin: 0;
                    padding: 0;
                }
                
                .nav-links a {
                    color: #4B5563;
                    text-decoration: none;
                    font-weight: 500;
                    transition: color 0.3s ease;
                    position: relative;
                }
                
                .nav-links a:hover {
                    color: #3B82F6;
                }
                
                .nav-links a::after {
                    content: '';
                    position: absolute;
                    bottom: -5px;
                    left: 0;
                    width: 0;
                    height: 2px;
                    background: #3B82F6;
                    transition: width 0.3s ease;
                }
                
                .nav-links a:hover::after {
                    width: 100%;
                }
                
                .cta-button {
                    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
                    color: white;
                    padding: 0.5rem 1.5rem;
                    border-radius: 2rem;
                    text-decoration: none;
                    font-weight: 600;
                    transition: transform 0.3s ease, box-shadow 0.3s ease;
                }
                
                .cta-button:hover {
                    transform: translateY(-2px);
                    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
                }
                
                .mobile-menu-toggle {
                    display: none;
                    background: none;
                    border: none;
                    cursor: pointer;
                    padding: 0.5rem;
                }
                
                .mobile-menu {
                    display: none;
                    position: absolute;
                    top: 100%;
                    left: 0;
                    right: 0;
                    background: white;
                    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                    padding: 1rem;
                }
                
                .mobile-menu.active {
                    display: block;
                    animation: slideIn 0.3s ease-out;
                }
                
                .mobile-menu-links {
                    list-style: none;
                    padding: 0;
                    margin: 0;
                }
                
                .mobile-menu-links li {
                    padding: 0.75rem 0;
                    border-bottom: 1px solid #E5E7EB;
                }
                
                .mobile-menu-links li:last-child {
                    border-bottom: none;
                }
                
                .mobile-menu-links a {
                    color: #4B5563;
                    text-decoration: none;
                    font-weight: 500;
                    display: block;
                }
                
                @keyframes slideIn {
                    from {
                        transform: translateY(-20px);
                        opacity: 0;
                    }
                    to {
                        transform: translateY(0);
                        opacity: 1;
                    }
                }
                
                @media (max-width: 768px) {
                    .nav-links {
                        display: none;
                    }
                    
                    .mobile-menu-toggle {
                        display: block;
                    }
                    
                    .nav-container {
                        padding: 1rem;
                    }
                }
            </style>
            
            <nav>
                <div class="nav-container">
                    <a href="#" class="logo">Redesign Studio</a>
                    
                    <ul class="nav-links">
                        <li><a href="#home">Home</a></li>
                        <li><a href="#features">Features</a></li>
                        <li><a href="#portfolio">Portfolio</a></li>
                        <li><a href="#testimonials">Testimonials</a></li>
                        <li><a href="#contact" class="cta-button">Get Started</a></li>
                    </ul>
                    
                    <button class="mobile-menu-toggle">
                        <svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <line x1="3" y1="12" x2="21" y2="12"></line>
                            <line x1="3" y1="6" x2="21" y2="6"></line>
                            <line x1="3" y1="18" x2="21" y2="18"></line>
                        </svg>
                    </button>
                    
                    <div class="mobile-menu">
                        <ul class="mobile-menu-links">
                            <li><a href="#home">Home</a></li>
                            <li><a href="#features">Features</a></li>
                            <li><a href="#portfolio">Portfolio</a></li>
                            <li><a href="#testimonials">Testimonials</a></li>
                            <li><a href="#contact" class="cta-button">Get Started</a></li>
                        </ul>
                    </div>
                </div>
            </nav>
        `;
        
        const mobileToggle = this.shadowRoot.querySelector('.mobile-menu-toggle');
        const mobileMenu = this.shadowRoot.querySelector('.mobile-menu');
        
        mobileToggle.addEventListener('click', () => {
            mobileMenu.classList.toggle('active');
        });
        
        // Close mobile menu when clicking outside
        document.addEventListener('click', (e) => {
            if (!this.contains(e.target)) {
                mobileMenu.classList.remove('active');
            }
        });
        
        // Add scroll effect
        window.addEventListener('scroll', () => {
            if (window.scrollY > 50) {
                this.shadowRoot.querySelector('nav').style.boxShadow = '0 4px 30px rgba(0, 0, 0, 0.1)';
            } else {
                this.shadowRoot.querySelector('nav').style.boxShadow = '0 2px 20px rgba(0, 0, 0, 0.1)';
            }
        });
    }
}

customElements.define('custom-navbar', CustomNavbar);