помогите. при клике вне попапа нужно закрывать его

const modal = document.querySelector('.modal__services');
    const btn = document.querySelector('.modal-services');
    const closeBtn = document.querySelector('.close__btn');

    const closeModal = () => {
        modal.style.display = 'none';
    };
    const openModal = () => {
        modal.style.display = 'block';
    };
    btn.addEventListener('click', e => {
        e.preventDefault();
        openModal();
    });
    closeBtn.addEventListener('click', closeModal);

.modal__services {
  display: none;
  width: 80%;
  height: 59%;
  z-index: 1000;
  background-color: rgba(0,0,0,0.5);
  overflow:scroll;
  position:fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
}
.modal__services .services__items {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 10px 20px 10px 20px;
}
.modal__services .services__item {
  width: 200px;
  height: 50px;
  margin: 10px;
}
.modal__services img {
  width: 150px;
  height: 100px;
}
.modal__services .services__item-link {
  margin-bottom: 20px;
}
.modal__news {
  display: none;
  width: 30%;
  height: 80%;
  z-index: 1001;
  background-color: rgba(0,0,0,1);
  /* overflow:scroll; */
  position:fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
}
.modal__news .news__blog {
  margin: 0 auto;
  margin-top: 20px;
}
.modal__news .news__blog-title {
  color: #FFF;
}
.modal__news .news__blog-text {
  color: #FFF;
}

<div class="modal__services">
  <div class="modal__content">
    <div class="close__btn">&times;</div>
    <div class="services__items">
      <div class="services__item">
        <img src="img/services-2.jpeg" alt="">
        <div class="services__item-title">
          Полная покраска авто
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-1.jpeg" alt="">
        <div class="services__item-title">
          Покраска любой детали машины
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-3.jpeg" alt="" class="swiper-slide">
        <div class="services__item-title">
          Полировка авто
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-4.jpeg" alt="">
        <div class="services__item-title">
          Полировка фар

        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-5.jpeg" alt="">
        <div class="services__item-title">
          Химчистка
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-6.jpeg" alt="">
        <div class="services__item-title">
          Покраска кожи салона
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-7.jpeg" alt="">
        <div class="services__item-title">
          Тонировка
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-8.jpeg" alt="">
        <div class="services__item-title">
          Полировка стёкл
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-9.jpeg" alt="">
        <div class="services__item-title">
          Порошковая покраска дисков
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-10.jpeg" alt="">
        <div class="services__item-title">
          Выпрямление вмятин без покраски PDR
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-11.jpeg" alt="">
        <div class="services__item-title">
          Детейлинг салонный
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-12.jpeg" alt="">
        <div class="services__item-title">
          Детейлинг кузовной
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-13.jpeg" alt="">
        <div class="services__item-title">
          Кузовной ремонт рихтовка.
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-14.jpeg" alt="">
        <div class="services__item-title">
          Пошивка салона
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
      <div class="services__item">
        <img src="img/services-15.jpeg" alt="">
        <div class="services__item-title">
          Поклейка брониленки на кузов
        </div>
        <div class="services__item-btn">
          <a data-fancybox data-src="#modal" href="javascript:;" class="default-btn">
            Заказать
          </a>
        </div>
      </div>
    </div>
  </div>
</div>
<div class="services__btn">
          <a href="#" class="modal-services">
            Показать все услуги
          </a>
        </div>