body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #333;
}

.container {
    width: 100%;
    max-width: 600px;
    text-align: center;
}

header {
    margin-bottom: 30px;
}

.logo {
    max-width: 150px;
    margin-bottom: 10px;
}

h1 {
    font-size: 2em;
    margin-bottom: 5px;
    color: #333;
}

.subtitle {
    font-size: 1.1em;
    color: #555;
    margin-bottom: 20px;
}

main a.button {
    display: block;
    background-color: #28a745; /* Verde chamativo */
    color: white;
    padding: 15px 20px;
    margin: 15px auto;
    border-radius: 25px; /* Arredondado */
    text-decoration: none;
    font-size: 1.1em;
    font-weight: bold;
    transition: background-color 0.3s ease;
    max-width: 80%;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

main a.button:hover {
    background-color: #218838; /* Verde mais escuro no hover */
}

.support-text {
    display: block;
    font-size: 0.8em;
    font-weight: normal;
    margin-top: 5px;
    color: #f0f0f0; /* Cor clara para contraste com o verde */
}

footer {
    margin-top: 40px;
    font-size: 0.9em;
    color: #777;
}

/* Responsividade */
@media (max-width: 600px) {
    h1 {
        font-size: 1.8em;
    }

    .subtitle {
        font-size: 1em;
    }

    main a.button {
        padding: 12px 15px;
        font-size: 1em;
        max-width: 90%;
    }

    .logo {
        max-width: 120px;
    }
}

@media (max-width: 400px) {
    main a.button {
        max-width: 95%;
    }
}