.first {
  min-height: 40vh;
}
@media (max-width: 767px) {
  .first {
      margin-top: -25vw;
      padding-top: 10vw;
      min-height: auto;
      padding-bottom: 10vh;
      margin-bottom: 7.8125vw;
  }
}
.calc-price__title {
  font-size: 25px;
  line-height: 1.2;
}
@media (max-width: 767px) {
  .calc-price__title {
    font-size: 18px;
  }
}
.calc-price__text p {
  font-size: 16px;
  line-height: 1.5;
}
@media (max-width: 767px) {
  .calc-price__text p {
    font-size: 14px;
    line-height: 1.5;
    text-transform: none;
  }
}
.calc-price__text-span {
  font-weight: 500;
}
.header__nav .nav-wrap .nav > .nav-item:first-child {
    display: block;
  }