Classic Black And White Mega Menu

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Classic Black and White Mega Menu</title>
    <style>
        body {
            font-family: 'Arial', sans-serif;
            margin: 0;
            padding: 0;
            background: #ffffff;
        }
        nav {
            background: #000000;
            color: #ffffff;
            padding: 10px 0;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }
        .menu-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .menu {
            display: flex;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .menu li {
            position: relative;
            margin: 0 15px;
        }
        .menu > li > a {
            text-decoration: none;
            color: #ffffff;
            padding: 10px 15px;
            display: block;
            transition: background 0.3s;
        }
        .menu > li:hover > a {
            background: #333333;
        }
        .mega-menu {
            position: absolute;
            left: 0;
            top: 100%;
            background: #f9f9f9;
            color: #333;
            display: none;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            padding: 20px;
            z-index: 10;
            animation: fadeIn 0.5s ease-in-out;
            white-space: nowrap;
        }
        .menu > li:hover .mega-menu {
            display: flex;
        }
        .mega-menu-column {
            padding: 10px;
        }
        .mega-menu-column h4 {
            margin-top: 0;
        }
        .mega-menu-column a {
            display: block;
            text-decoration: none;
            color: #000000;
            padding: 5px 0;
            transition: color 0.3s;
        }
        .mega-menu-column a:hover {
            color: #555555;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        /* Custom emoji and icon styles */
        .menu a::before {
            content: "⬛ ";
        }
        .mega-menu-column a::before {
            content: "⚪ ";
        }
        /* Responsive styles */
        @media (max-width: 768px) {
            .menu-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .menu {
                flex-direction: column;
                width: 100%;
            }
            .menu li {
                width: 100%;
            }
            .menu > li > a {
                width: 100%;
            }
            .mega-menu {
                position: static;
                width: 100%;
            }
            .mega-menu-column {
                width: 100%;
            }
        }
    </style>
</head>
<body>
    <nav>
        <div class="menu-container">
            <ul class="menu">
                <li>
                    <a href="#">Home</a>
                </li>
                <li>
                    <a href="#">Services</a>
                    <div class="mega-menu">
                        <div class="mega-menu-column">
                            <h4>Consulting</h4>
                            <a href="#">Business</a>
                            <a href="#">Technology</a>
                            <a href="#">Strategy</a>
                        </div>
                        <div class="mega-menu-column">
                            <h4>Support</h4>
                            <a href="#">Customer Service</a>
                            <a href="#">Technical Support</a>
                            <a href="#">FAQ</a>
                        </div>
                        <div class="mega-menu-column">
                            <h4>Training</h4>
                            <a href="#">Workshops</a>
                            <a href="#">Webinars</a>
                            <a href="#">Certifications</a>
                        </div>
                    </div>
                </li>
                <li>
                    <a href="#">Projects</a>
                    <div class="mega-menu">
                        <div class="mega-menu-column">
                            <h4>Current</h4>
                            <a href="#">Project A</a>
                            <a href="#">Project B</a>
                            <a href="#">Project C</a>
                        </div>
                        <div class="mega-menu-column">
                            <h4>Completed</h4>
                            <a href="#">Project D</a>
                            <a href="#">Project E</a>
                            <a href="#">Project F</a>
                        </div>
                        <div class="mega-menu-column">
                            <h4>Upcoming</h4>
                            <a href="#">Project G</a>
                            <a href="#">Project H</a>
                            <a href="#">Project I</a>
                        </div>
                    </div>
                </li>
                <li>
                    <a href="#">Contact</a>
                </li>
            </ul>
        </div>
    </nav>
</body>
</html>

Classic Black And White Mega Menu - MeggiTools