.newsletter-container {
    background: linear-gradient(180deg, var(--blue), var(--blue-2));
    padding: 2rem;
    margin: 5% auto;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    display: grid;
    gap: 1.5rem;
    width: min(1000px, 90vw);
    color: var(--white);
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.contact-form .form-group {
    display: grid;
    gap: 0.3rem;
}

.contact-form label {
    font-weight: 600;
    color: var(--white);
}

.contact-form input {
    padding: 0.6rem 1rem;
    border-radius: var(--radius);
    border: 1px solid #e5e7eb;
    font-size: 0.95rem;
    outline: none;
    transition: border 0.2s ease;
}

.contact-form input:focus {
    border-color: var(--white);
}

.contact-form button {
    padding: 0.7rem 1.2rem;
    background: var(--white);
    color: var(--blue);
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.contact-form button:hover {
    background: var(--blue);
    color: var(--white);
    transform: translateY(-2px);
}

.error-message {
    color: red;
    font-size: 0.8rem;
    display: none;
}

.success-message {
    background-color: var(--white);
    border-radius: var(--radius);
    color: green;
    font-size: 0.9rem;
    padding: 0.2rem 0.5rem;
    margin-top: 0.5rem;
    font-weight: 600;
    width: fit-content; /* Ajusta a largura ao conteúdo */
    display: inline-block; /* Faz com que o bloco se comporte como um inline */
    visibility: hidden; /* Inicialmente escondido */
    opacity: 0; /* Deixa invisível, mas ocupa espaço */
    transition: opacity 0.3s ease;
}

.success-message.visible {
    visibility: visible;
    opacity: 1;
}