Futuristic Overlay - MeggiTools

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Futuristic Overlay</title>
    <style>
        body, html {
            height: 100%;
            margin: 0;
            font-family: 'Arial', sans-serif;
            background: #f0f0f0;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(63,94,251,1) 0%, rgba(252,70,107,1) 100%);
            display: none;
            z-index: 1000;
            animation: fadeIn 0.7s ease-in-out forwards;
        }
        @keyframes fadeIn {
            from {opacity: 0;}
            to {opacity: 1;}
        }
        .overlay-content {
            position: relative;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: #fff;
        }
        .overlay-content h1 {
            font-size: 3em;
            margin: 0;
            animation: rotateIn 1s ease-in-out forwards;
        }
        @keyframes rotateIn {
            from {transform: rotate(-360deg); opacity: 0;}
            to {transform: rotate(0); opacity: 1;}
        }
        .overlay-content p {
            font-size: 1.5em;
            margin: 20px 0;
            animation: rotateIn 1s ease-in-out forwards;
            animation-delay: 0.3s;
        }
        .close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 2em;
            cursor: pointer;
            color: #fff;
            animation: fadeIn 1.5s ease-in-out forwards;
        }
        .close-btn:hover {
            color: #ff4c4c;
        }
        .centered-button {
            padding: 10px 20px;
            font-size: 1.2em;
            background: radial-gradient(circle, rgba(63,94,251,1) 0%, rgba(252,70,107,1) 100%);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: background 0.3s;
        }
        .centered-button:hover {
            background: radial-gradient(circle, rgba(63,94,251,1) 20%, rgba(252,70,107,1) 80%);
        }
    </style>
</head>
<body>
    <div class="overlay" id="futuristicOverlay">
        <div class="overlay-content">
            <h1>Futuristic Overlay 🌌</h1>
            <p>High-tech and modern overlay design</p>
        </div>
        <span class="close-btn" onclick="closeFuturisticOverlay()">&times;</span>
    </div>
    <button class="centered-button" onclick="openFuturisticOverlay()">Open Futuristic Overlay</button>
    <script>
        function openFuturisticOverlay() {
            document.getElementById('futuristicOverlay').style.display = 'block';
        }
        function closeFuturisticOverlay() {
            document.getElementById('futuristicOverlay').style.display = 'none';
        }
    </script>
</body>
</html>