Mega Menu Component

<div class="bg-white dark:bg-gray-800 relative group">
    <div class="container mx-auto p-4">
        <nav class="flex justify-between items-center">
            <div class="text-2xl font-semibold text-brown-600 dark:text-green-200">
                Blog Title
            </div>
            <div class="hidden md:flex space-x-8">
                <a href="#" class="transition duration-300 ease-in-out hover:text-brown-700 dark:hover:text-green-300">Home</a>
                <a href="#" class="relative transition duration-300 ease-in-out hover:text-brown-700 dark:hover:text-green-300">Categories
                    <div class="absolute inset-x-0 bottom-0 h-0.5 bg-brown-600 dark:bg-green-200 transition duration-300 ease-in-out transform scale-x-0 group-hover:scale-x-100"></div>
                </a>
                <a href="#" class="transition duration-300 ease-in-out hover:text-brown-700 dark:hover:text-green-300">About</a>
                <a href="#" class="transition duration-300 ease-in-out hover:text-brown-700 dark:hover:text-green-300">Contact</a>
            </div>
            <div class="md:hidden">
                <button class="text-brown-600 dark:text-green-200 focus:outline-none">
                    <svg class="w-6 h-6" 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="M4 6h16M4 12h16M4 18h16" />
                    </svg>
                </button>
            </div>
        </nav>
    </div>
    <div class="absolute hidden group-hover:block bg-white dark:bg-gray-800 shadow-md mt-2 w-full rounded-lg overflow-hidden transition-opacity duration-300 ease-in-out">
        <div class="container mx-auto p-6">
            <div class="grid grid-cols-2 gap-4">
                <div>
                    <h2 class="font-bold text-lg text-brown-600 dark:text-green-200">Latest Posts</h2>
                    <ul class="space-y-2">
                        <li>
                            <a href="#" class="flex items-center space-x-2 transition duration-300 ease-in-out hover:text-brown-700 dark:hover:text-green-300">
                                <img src="https://picsum.photos/50" alt="Post 1" class="h-10 w-10 rounded-full">
                                <span>Understanding Earth Tones in Design</span>
                            </a>
                        </li>
                        <li>
                            <a href="#" class="flex items-center space-x-2 transition duration-300 ease-in-out hover:text-brown-700 dark:hover:text-green-300">
                                <img src="https://picsum.photos/50" alt="Post 2" class="h-10 w-10 rounded-full">
                                <span>The Beauty of Nature-Inspired Living</span>
                            </a>
                        </li>
                    </ul>
                </div>
                <div>
                    <h2 class="font-bold text-lg text-brown-600 dark:text-green-200">Categories</h2>
                    <ul class="space-y-2">
                        <li><a href="#" class="transition duration-300 ease-in-out hover:text-brown-700 dark:hover:text-green-300">Lifestyle</a></li>
                        <li><a href="#" class="transition duration-300 ease-in-out hover:text-brown-700 dark:hover:text-green-300">Travel</a></li>
                        <li><a href="#" class="transition duration-300 ease-in-out hover:text-brown-700 dark:hover:text-green-300">Food</a></li>
                        <li><a href="#" class="transition duration-300 ease-in-out hover:text-brown-700 dark:hover:text-green-300">Wellness</a></li>
                    </ul>
                </div>
            </div>
        </div>
    </div>
</div>