body {
            margin: 0;
            padding: 0;
            font-family: 'Arial', sans-serif;
            background: #2c3e50;
            color: #ecf0f1;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            overflow: hidden;
            text-align: center;
            position: relative;
        }
        .container {
            background: #34495e;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            position: relative;
            max-width: 500px;
            width: 100%;
            animation: fadeIn 2s ease-in-out;
            z-index: 1;
        }
        .icon {
            font-size: 80px;
            color: #e67e22;
            margin-bottom: 20px;
        }
        h1 {
            font-size: 2.5em;
            margin: 0;
            color: #ecf0f1;
        }
        p {
            font-size: 1.2em;
            margin-top: 10px;
            color: #bdc3c7;
        }
        .background-waves {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 0;
        }
        .waves {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 150px;
            background: url('https://www.transparenttextures.com/patterns/black-linen.png') repeat-x;
            background-size: 200% 100%;
            animation: moveWaves 10s linear infinite;
        }
        @keyframes moveWaves {
            0% { background-position-x: 0; }
            100% { background-position-x: 100%; }
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
