body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #f0f2f5, #e0e6ec);
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
}

.container {
    padding: 30px;
    max-width: 600px;
    width: 100%;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

h1 {
    color: #333;
    font-size: 2.2em;
    margin-bottom: 10px;
    line-height: 1.2;
}

p {
    color: #666;
    font-size: 1.1em;
    margin-bottom: 30px;
}

.whatsapp-button {
    display: inline-block;
    padding: 20px 40px;
    background-color: #25d366;
    color: #fff;
    font-size: 1.4em;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    animation: pulse 2s infinite;
}

.whatsapp-button:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.03); }
    100% { transform: scale(1); }
}

/* Otimizações para telas menores (celulares) */
@media (max-width: 480px) {
    .container {
        padding: 20px;
    }
    
    h1 {
        font-size: 1.8em;
    }

    p {
        font-size: 1em;
    }

    .whatsapp-button {
        padding: 15px 30px;
        font-size: 1.2em;
        width: 100%; /* Ocupa a largura total para facilitar o clique */
    }
}