body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: #f9f9f9;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    max-width: 600px;
}

.logo {
    width: 150px;
    margin-bottom: 20px;
}

h1 {
    font-size: 24px;
    color: #333;
    margin-bottom: 30px;
}

.btn-start {
    display: inline-block;
    padding: 15px 30px;
    background: #007bff;
    color: white;
    font-size: 18px;
    text-decoration: none;
    border-radius: 10px;
    transition: background 0.3s;
}

.btn-start:hover {
    background: #0056b3;
}