body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #0f172a;
}

.contenedor {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tarjeta {
    background: #ffffff;
    padding: 32px;
    border-radius: 14px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.tarjeta h1 {
    text-align: center;
    margin-bottom: 25px;
    font-size: 22px;
    letter-spacing: 1px;
}

.contacto-form {
    display: flex;
    flex-direction: column;
}

.contacto-form label {
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: bold;
}

.contacto-form input,
.contacto-form textarea {
    padding: 10px;
    margin-bottom: 16px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
}

.contacto-form textarea {
    min-height: 120px;
    resize: vertical;
}

.contacto-form button {
    margin-top: 10px;
    background: #000;
    color: #fff;
    border: none;
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
}

.contacto-form button:hover {
    background: #333;
}

.mensaje-ok {
    text-align: center;
    font-size: 15px;
    color: #0a7a2f;
    line-height: 1.5;
}

.volver {
    text-align: center;
    margin-top: 20px;
}

.volver a {
    text-decoration: none;
    font-size: 13px;
    color: #555;
.copy-legal {
    margin-top: 15px;
    font-size: 12px;
    color: #666;
    text-align: center;
    line-height: 1.4;
}

}

.volver a:hover {
    color: #000;
}