.welcome-section {
  height: 819px;

  position: relative;
  z-index: 0;

  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--main-color);

  padding: 106px 0;
  overflow: hidden;

  background-image: url("../../img/train.png");
  background-size: cover; /* Заполняет весь блок */
  background-position: center; /* Центрирует изображение */
  background-repeat: no-repeat; /* Запрещает повторение */
}

.welcome-section__title {
  position: relative;

  font-size: 48px;
  font-weight: 500;
  color: var(--main-text-color);
  width: 760px;
  text-align: center;
}

.welcome-section__title::before {
  content: "";
  width: 87px;
  height: 4px;

  position: absolute;
  top: -28px;
  left: calc(50% - 43px);

  background-color: var(--white);
  border-radius: 100px;
}

.welcome-section__subtitle {
  font-size: var(--default-font-size);
  color: var(--main-text-color);

  margin-top: 24px;
  width: 580px;
  font-weight: 300;
  line-height: 1.5;
  text-align: center;
}

.demo-btn-wrapper {
  position: relative;
  z-index: 1000;
}

.demo-btn {
  background-color: var(--white);

  font-size: var(--default-font-size);
  color: var(--main-color);

  border: 1px solid white;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;

  width: 232px;

  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;

  margin-top: 40px;
  transition: 0.3s linear;

  position: relative;
  z-index: 4;
}

.demo-btn:hover {
  border: 1px solid #cccccc;
  background-color: #e9e9e9;
}

.welcome-section__system-image {
  margin-top: 38px;
}

.welcome-section__system-image__image {
  width: 100%;
  height: 100%;
  border-radius: 20px;
}

@media (max-width: 1239px) {
  .welcome-section {
    height: 549px;
    padding: 86px 0;
    background-position: left; /* Центрирует изображение */
  }

  .welcome-section__title {
    width: 357px;
    font-size: 28px;
  }

  .welcome-section__title::before {
    top: -16px;
  }

  .welcome-section__subtitle {
    margin-top: 16px;
    width: 357px;
    font-size: 16px;
  }

  .demo-btn {
    margin-top: 32px;
    width: 215px;
    font-size: 16px;
  }

  .welcome-section__system-image {
    width: 357px;
    margin-top: 44px;
  }
}