.btn-mail {
    display: inline-block;
    background-color: #2ecc40;
    color: white;
    font-weight: bold;
    padding: 14px 24px;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.btn-mail:hover {
    background-color: #27ae35;
}

#signup-hero h2 {
    font-size: 1.2rem;
    font-weight: 400;
    color: #555;
    margin: 18px 0;
}

@media (max-width: 600px) {
    #signup-hero {
        padding: 7px 15px 24px;
    }

    #signup-hero h2 {
        font-size: 1rem;
    }
}