Componente de encabezado de Cyberpunk

<header class="bg-zinc-950 text-lime-400 border-b border-lime-600/30 shadow-lg shadow-lime-600/10 dark:bg-black dark:text-fuchsia-400 dark:border-fuchsia-600/30 dark:shadow-fuchsia-600/10">
  <div class="container mx-auto px-4 py-3 flex items-center justify-between">
    <!-- Logo/Site Title -->
    <a href="#" class="flex items-center space-x-2 relative group">
      <svg class="w-8 h-8 text-electric-blue-400 group-hover:text-electric-blue-300 transition-colors duration-300 dark:text-hot-pink-400 dark:group-hover:text-hot-pink-300" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9.75 17L9.75 17.01M12.000000000000002 21L12 21.01M14.25 17L14.25 17.01M12 3C10.73 3 7 4.12 7 9C7 11.83 8.36 13.92 9.77 15.14C11.18 16.35 12 17.67 12 19L12 21M9 6L15 6M10 9L14 9M11 12L13 12"></path>
      </svg>
      <span class="font-extrabold text-2xl tracking-tight text-transparent bg-clip-text bg-gradient-to-r from-lime-400 to-electric-blue-500 group-hover:from-lime-300 group-hover:to-electric-blue-400 transition-all duration-300 dark:from-fuchsia-400 dark:to-hot-pink-500 dark:group-hover:from-fuchsia-300 dark:group-hover:to-hot-pink-400">
        NEO-DOCS
      </span>
      <span class="absolute inset-0 bg-lime-400 opacity-0 group-hover:opacity-10 transition-opacity duration-300 rounded-lg blur-sm pointer-events-none dark:bg-fuchsia-400"></span>
    </a>

    <!-- Desktop Navigation -->
    <nav class="hidden md:flex space-x-8">
      <a href="#" class="text-lime-300 hover:text-lime-200 relative group transition-colors duration-300 dark:text-fuchsia-300 dark:hover:text-fuchsia-200">
        <span class="relative z-10">Guides</span>
        <span class="absolute h-0.5 w-0 bg-electric-blue-500 left-0 bottom-0.5 transition-all duration-300 group-hover:w-full group-hover:shadow-electric-blue-500/50 dark:bg-hot-pink-500 dark:group-hover:shadow-hot-pink-500/50"></span>
      </a>
      <a href="#" class="text-lime-300 hover:text-lime-200 relative group transition-colors duration-300 dark:text-fuchsia-300 dark:hover:text-fuchsia-200">
        <span class="relative z-10">API Ref</span>
        <span class="absolute h-0.5 w-0 bg-electric-blue-500 left-0 bottom-0.5 transition-all duration-300 group-hover:w-full group-hover:shadow-electric-blue-500/50 dark:bg-hot-pink-500 dark:group-hover:shadow-hot-pink-500/50"></span>
      </a>
      <a href="#" class="text-lime-300 hover:text-lime-200 relative group transition-colors duration-300 dark:text-fuchsia-300 dark:hover:text-fuchsia-200">
        <span class="relative z-10">Tutorials</span>
        <span class="absolute h-0.5 w-0 bg-electric-blue-500 left-0 bottom-0.5 transition-all duration-300 group-hover:w-full group-hover:shadow-electric-blue-500/50 dark:bg-hot-pink-500 dark:group-hover:shadow-hot-pink-500/50"></span>
      </a>
      <a href="#" class="text-lime-300 hover:text-lime-200 relative group transition-colors duration-300 dark:text-fuchsia-300 dark:hover:text-fuchsia-200">
        <span class="relative z-10">Community</span>
        <span class="absolute h-0.5 w-0 bg-electric-blue-500 left-0 bottom-0.5 transition-all duration-300 group-hover:w-full group-hover:shadow-electric-blue-500/50 dark:bg-hot-pink-500 dark:group-hover:shadow-hot-pink-500/50"></span>
      </a>
    </nav>

    <!-- Search Bar (Desktop) -->
    <div class="hidden md:block relative">
      <input type="text" placeholder="Search the dataverse..." class="w-56 px-4 py-2 bg-zinc-800 text-lime-300 placeholder-lime-500 rounded-full border border-lime-600 focus:outline-none focus:ring-2 focus:ring-electric-blue-500 focus:border-transparent transition-all duration-300 dark:bg-zinc-900 dark:text-fuchsia-300 dark:placeholder-fuchsia-500 dark:border-fuchsia-600 dark:focus:ring-hot-pink-500">
      <svg class="absolute right-3 top-1/2 -translate-y-1/2 w-5 h-5 text-lime-400 dark:text-fuchsia-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path>
      </svg>
    </div>

    <!-- Mobile Menu Button -->
    <div class="md:hidden">
      <label for="menu-toggle" class="cursor-pointer">
        <input type="checkbox" id="menu-toggle" class="hidden peer">
        <div class="space-y-2 group peer-checked:space-y-0 peer-checked:after:rotate-45 peer-checked:before:-rotate-45 peer-checked:before:translate-y-2 peer-checked:after:-translate-y-2 transition-all duration-300">
          <span class="block w-8 h-0.5 bg-lime-400 transition-all duration-300 dark:bg-fuchsia-400"></span>
          <span class="block w-8 h-0.5 bg-lime-400 transition-all duration-300 dark:bg-fuchsia-400"></span>
          <span class="block w-8 h-0.5 bg-lime-400 transition-all duration-300 dark:bg-fuchsia-400"></span>
        </div>
      </label>
      
      <!-- Mobile Menu Overlay -->
      <div class="fixed inset-0 bg-black bg-opacity-70 backdrop-blur-sm z-40 hidden peer-checked:block animate-fade-in-down">
        <!-- Mobile Navigation -->
        <nav class="absolute top-0 right-0 w-64 h-full bg-zinc-900 border-l border-lime-600/50 p-6 shadow-xl shadow-lime-600/30 overflow-y-auto transform translate-x-full peer-checked:translate-x-0 transition-transform duration-500 ease-out dark:bg-black dark:border-fuchsia-600/50 dark:shadow-fuchsia-600/30">
          <div class="flex justify-end mb-8">
            <label for="menu-toggle" class="cursor-pointer text-lime-400 hover:text-lime-300 dark:text-fuchsia-400 dark:hover:text-fuchsia-300">
              <svg class="w-8 h-8" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
              </svg>
            </label>
          </div>
          <ul class="space-y-6">
            <li>
              <a href="#" class="block text-2xl font-bold text-lime-300 hover:text-lime-200 transition-colors duration-300 relative group dark:text-fuchsia-300 dark:hover:text-fuchsia-200">
                <span>Guides</span>
                <span class="absolute h-0.5 w-0 bg-electric-blue-500 left-0 bottom-0.5 transition-all duration-300 group-hover:w-full group-hover:shadow-electric-blue-500/50 dark:bg-hot-pink-500 dark:group-hover:shadow-hot-pink-500/50"></span>
              </a>
            </li>
            <li>
              <a href="#" class="block text-2xl font-bold text-lime-300 hover:text-lime-200 transition-colors duration-300 relative group dark:text-fuchsia-300 dark:hover:text-fuchsia-200">
                <span>API Ref</span>
                <span class="absolute h-0.5 w-0 bg-electric-blue-500 left-0 bottom-0.5 transition-all duration-300 group-hover:w-full group-hover:shadow-electric-blue-500/50 dark:bg-hot-pink-500 dark:group-hover:shadow-hot-pink-500/50"></span>
              </a>
            </li>
            <li>
              <a href="#" class="block text-2xl font-bold text-lime-300 hover:text-lime-200 transition-colors duration-300 relative group dark:text-fuchsia-300 dark:hover:text-fuchsia-200">
                <span>Tutorials</span>
                <span class="absolute h-0.5 w-0 bg-electric-blue-500 left-0 bottom-0.5 transition-all duration-300 group-hover:w-full group-hover:shadow-electric-blue-500/50 dark:bg-hot-pink-500 dark:group-hover:shadow-hot-pink-500/50"></span>
              </a>
            </li>
            <li>
              <a href="#" class="block text-2xl font-bold text-lime-300 hover:text-lime-200 transition-colors duration-300 relative group dark:text-fuchsia-300 dark:hover:text-fuchsia-200">
                <span>Community</span>
                <span class="absolute h-0.5 w-0 bg-electric-blue-500 left-0 bottom-0.5 transition-all duration-300 group-hover:w-full group-hover:shadow-electric-blue-500/50 dark:bg-hot-pink-500 dark:group-hover:shadow-hot-pink-500/50"></span>
              </a>
            </li>
            <li>
              <!-- Search Bar (Mobile) -->
              <div class="relative mt-8">
                <input type="text" placeholder="Search..." class="w-full px-4 py-3 bg-zinc-800 text-lime-300 placeholder-lime-500 rounded-lg border border-lime-600 focus:outline-none focus:ring-2 focus:ring-electric-blue-500 focus:border-transparent transition-all duration-300 dark:bg-zinc-900 dark:text-fuchsia-300 dark:placeholder-fuchsia-500 dark:border-fuchsia-600 dark:focus:ring-hot-pink-500">
                <svg class="absolute right-3 top-1/2 -translate-y-1/2 w-6 h-6 text-lime-400 dark:text-fuchsia-400" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
                  <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"></path>
                </svg>
              </div>
            </li>
          </ul>
        </nav>
      </div>
    </div>
  </div>
</header>

<style>
  /* Custom colors for better cyberpunk feel */
  .text-electric-blue-400 { color: #00e5ff; }
  .text-electric-blue-300 { color: #66efff; }
  .bg-electric-blue-500 { background-color: #00b8d4; }
  .text-hot-pink-400 { color: #ff007f; }
  .text-hot-pink-300 { color: #ff66b2; }
  .bg-hot-pink-500 { background-color: #e60073; }
  .text-lime-400 { color: #aeff00; }
  .text-lime-300 { color: #d0ff66; }
  .bg-lime-400 { background-color: #aeff00; }

  /* Keyframes for mobile menu animation */
  @keyframes fade-in-down {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .animate-fade-in-down {
    animation: fade-in-down 0.3s ease-out forwards;
  }
</style>