body {
            margin: 0;
            padding: 0;
            background: #000;
            color: #fff;
            font-family: 'Open Sans', sans-serif;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
        }
        .container {
            text-align: center;
            width: 100%;
        }
        #logo {
            width: 150px;
            transition: transform 0.8s ease, opacity 0.8s ease;
            cursor: pointer;
        }
        #comenzarBtn {
            margin-top: 30px;
            padding: 12px 30px;
            font-size: 16px;
            border: 1px solid #555;
            border-radius: 2px;
            background: transparent;
            color: #fff;
            cursor: pointer;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.8s ease;
        }
        #comenzarBtn:hover {
            background: rgba(255,255,255,0.08);
        }