#subscription-success {
    text-align: center;
    padding: 20px;
    background-color: #e7f9e7;
    border: 1px solid #d4edda;
    border-radius: 5px;
    margin-top: 20px;
}

#subscription-success h1 {
    color: #155724;
    margin-bottom: 10px;
    font-size: clamp(1.5rem, 4vw, 2rem);
    line-height: 1.25;
}

#subscription-success p {
    color: #155724;
    font-size: 1rem;
}

#subscription-success .btn {
    display: inline-block;
    margin-top: 15px;
    padding: 12px 16px;
    min-height: 44px;
    background-color: #155724;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

#subscription-success .btn:hover {
    background-color: #0c3c12;
}

@media (max-width: 600px) {
    #subscription-success {
        padding: 16px;
    }

    #subscription-success p {
        font-size: 0.98rem;
    }

    #subscription-success .btn {
        width: 100%;
        max-width: 320px;
    }
}