.ventilation {
  background-color: #f9f9f9;
  padding: 40rem 0;
}
.ventilation__items, .ventilation__jobs, .ventilation__advs, .ventilation__facts {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 120rem;
}
.ventilation__item, .ventilation__job, .ventilation__adv, .ventilation__fact {
  flex: 1 1 30%;
  background-color: #fff;
  border-radius: 8rem;
  box-shadow: 0 2rem 8rem rgba(0, 0, 0, 0.1);
  padding: 20rem;
  margin: 10rem;
}
.ventilation__item .ventilation__item-title,
.ventilation__item .ventilation__fact-title, .ventilation__job .ventilation__item-title,
.ventilation__job .ventilation__fact-title, .ventilation__adv .ventilation__item-title,
.ventilation__adv .ventilation__fact-title, .ventilation__fact .ventilation__item-title,
.ventilation__fact .ventilation__fact-title {
  font-size: 18rem;
  font-weight: bold;
  margin-bottom: 10rem;
}
.ventilation__item .ventilation__item-text,
.ventilation__item .ventilation__fact-text, .ventilation__job .ventilation__item-text,
.ventilation__job .ventilation__fact-text, .ventilation__adv .ventilation__item-text,
.ventilation__adv .ventilation__fact-text, .ventilation__fact .ventilation__item-text,
.ventilation__fact .ventilation__fact-text {
  font-size: 18rem;
  color: #555;
}
.ventilation__job {
  display: flex;
  align-items: center;
  flex-direction: column;
  flex: 1 1 10%;
  box-shadow: 0rem 2rem 10rem rgba(0, 0, 0, 0.25);
  border-radius: 20rem;
}
.ventilation__adv-title {
  font-weight: 500;
  font-size: 32rem;
  margin-top: 0;
  margin-bottom: 32rem;
  text-align: center;
}
.ventilation__adv-items {
  display: flex;
  flex-direction: column;
  gap: 30rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.ventilation__adv-item {
  display: flex;
  gap: 30rem;
  align-items: center;
}
.ventilation__adv-svg {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 64rem;
  width: 100%;
  height: 64rem;
  background: #FFFFFF;
  border: 2rem solid #A4B9FF;
  border-radius: 20rem;
}
.ventilation__adv-info-title {
  margin: 0;
  margin-bottom: 12rem;
  font-weight: 500;
  font-size: 24rem;
}
.ventilation__adv-info-text {
  margin: 0;
  font-size: 20rem;
  line-height: 24rem;
  color: rgba(0, 0, 0, 0.6);
}
.ventilation__job-title {
  font-weight: 500;
  font-size: 64rem;
  color: rgba(0, 0, 0, 0.2);
}
.ventilation__job-text {
  text-align: center;
  font-weight: 500;
  font-size: 20rem;
  line-height: 24rem;
  margin: 0;
}
.ventilation .ventilation__advs {
  gap: 25rem;
}
.ventilation .ventilation__advs .ventilation__adv {
  background: #E9F1F3;
  margin: 0;
  padding: 24rem 32rem;
  box-shadow: 0rem 2rem 10rem rgba(0, 0, 0, 0.25);
}
.ventilation .ventilation__advs .ventilation__adv:first-child {
  background: #FFFFFF;
  opacity: 0.5;
}
.ventilation .ventilation__facts {
  justify-content: space-around;
}
.ventilation .ventilation__facts .ventilation__fact {
  text-align: center;
}
.ventilation .ventilation__facts .ventilation__fact .ventilation__fact-title {
  font-size: 2em;
  color: #28a745;
}
.ventilation__title {
  text-align: center;
  font-weight: 700;
  font-size: 40rem;
  margin-bottom: 35rem;
}

@media (max-width: 768px) {
  .ventilation__item {
    flex: auto;
    margin: 0;
    margin-bottom: 10rem;
  }
  .ventilation__item .ventilation__item-text,
  .ventilation__item .ventilation__fact-text {
    font-size: 12rem;
  }
  .ventilation__item .ventilation__item-title,
  .ventilation__item .ventilation__fact-title {
    font-size: 14rem;
  }
  .ventilation__items, .ventilation__jobs, .ventilation__advs, .ventilation__facts {
    margin-bottom: 40rem;
  }
  .ventilation__title {
    font-size: 18rem;
    margin-bottom: 10rem;
  }
  .ventilation__job-title {
    font-size: 20rem;
  }
  .ventilation__job-text {
    font-size: 12rem;
    line-height: 1.2;
  }
  .ventilation__adv-title {
    font-size: 18rem;
  }
  .ventilation__adv-item {
    gap: 10rem;
    flex-direction: column;
  }
  .ventilation__adv-info-title {
    font-size: 14rem;
    line-height: 1.2;
    text-align: center;
  }
  .ventilation__adv-info-text {
    font-size: 12rem;
    line-height: 1.2;
    text-align: center;
  }
  .ventilation .ventilation__fact .ventilation__fact-text {
    font-size: 12rem;
  }
}