.er-form-wrapper {
    max-width: 480px;
    margin: 30px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.er-form {
    background: #ffffff;
    border: 1px solid #e2e5ea;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 18px rgba(20, 30, 60, 0.06);
}

.er-form-titulo {
    margin: 0 0 22px;
    font-size: 22px;
    color: #12203c;
    text-align: center;
}

.er-campo {
    margin-bottom: 18px;
}

.er-campo label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: #23324d;
    margin-bottom: 6px;
}

.er-requerido {
    color: #c0392b;
}

.er-campo input[type="text"],
.er-campo input[type="tel"],
.er-campo input[type="email"] {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid #cbd3e0;
    border-radius: 8px;
    font-size: 15px;
    box-sizing: border-box;
    transition: border-color 0.15s ease;
}

.er-campo input:focus {
    outline: none;
    border-color: #1a5aa2;
    box-shadow: 0 0 0 3px rgba(26, 90, 162, 0.12);
}

.er-radio-group {
    display: flex;
    gap: 22px;
    margin-top: 4px;
}

.er-radio-opcion {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    font-size: 15px;
    color: #23324d;
    cursor: pointer;
}

.er-radio-opcion input {
    width: 17px;
    height: 17px;
}

.er-boton-enviar {
    width: 100%;
    background: #12203c;
    color: #ffffff;
    border: none;
    padding: 13px 18px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
}

.er-boton-enviar:hover {
    background: #1a5aa2;
}

.er-mensaje {
    padding: 16px 18px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 15px;
    text-align: center;
}

.er-mensaje-exito {
    background: #e3f6e8;
    color: #1d6b30;
    border: 1px solid #b7e4c2;
}

.er-mensaje-error {
    background: #fdecea;
    color: #a4322a;
    border: 1px solid #f7c3bd;
}