@media screen and (max-height: 800px) and (min-width: 1200px) {
  .main {
    padding-top: 50px;
  }
  .main__title {
    margin-bottom: 40px;
  }
  .main__prop {
    margin-bottom: 40px;
  }
  .main__img {
    top: -20px;
  }
  .main__img img {
    max-height: 780px;
  }
}
@media screen and (max-width: 1199px) {
  .title-box {
    font-size: 25px;
    margin-bottom: 40px;
  }

  .intro-box {
    margin-bottom: 60px;
    margin-top: 0;
  }

  .main {
    padding-top: 20px;
    margin-bottom: 20px;
  }
  .main__content {
    max-width: 470px;
  }
  .main__content:after {
    right: -25px;
  }
  .main__title {
    font-size: 22px;
    margin-bottom: 45px;
  }
  .main__title-big {
    font-size: 30px;
    margin: 20px 0 14px;
  }
  .main__prop {
    margin-bottom: 35px;
  }
  .main__form-title {
    font-size: 20px;
    margin-bottom: 25px;
  }
  .main__form-arr {
    display: none;
  }
  .main__img {
    top: 100px;
    margin-left: 50px;
  }
  .main__img img {
    width: 440px;
  }
  .main__img:before {
    width: 170px;
    height: 50px;
    top: -80px;
  }

  .qualification__item-photo {
    width: 360px;
  }
  .qualification__item-icon {
    height: 115px;
    padding-top: 15px;
    padding-bottom: 15px;
    max-width: 110px;
  }
  .qualification__item-icon img {
    max-height: 100%;
  }
  .qualification__more {
    max-width: 760px;
  }

  .skills__tabs {
    margin-bottom: 50px;
    width: calc(100% + 30px);
    margin-left: -15px;
    position: relative;
  }
  .skills__tabs ul {
    overflow: hidden;
    overflow-x: auto;
  }
  .skills__tabs a {
    padding: 0 20px;
  }
  .skills__item {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    grid-gap: 40px;
  }
  .skills__item-photo {
    width: 100%;
  }

  .process__item__name {
    font-size: 20px;
  }
  .process__item__text {
    font-size: 16px;
  }

  .team__items {
    -ms-grid-columns: 260px 260px;
    grid-template-columns: 260px 260px;
    -ms-flex-pack: distribute;
        justify-content: space-around;
    grid-row-gap: 50px;
  }

  .request__forms {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    max-width: 585px;
    margin: 30px auto 0;
  }
  .request__forms-item:not(.active) {
    display: none;
  }
  .request__forms-prev {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
}
@media screen and (max-width: 979px) {
  .pd_box {
    padding: 40px 0;
  }

  .main {
    min-height: 790px;
    margin-bottom: 40px;
  }
  .main__content {
    padding-bottom: 0;
  }
  .main__content > * {
    max-width: 330px;
  }
  .main__content:after {
    right: 0px;
    bottom: 30px;
  }
  .main__title-big {
    width: 460px;
  }
  .main__img {
    top: 140px;
    margin-left: -80px;
    max-width: initial;
  }
  .main__img img {
    width: auto;
  }
  .main__img:before {
    right: 0;
  }
  .main__prop {
    font-size: 18px;
  }

  .qualification__item {
    grid-gap: 50px;
  }
  .qualification__item-title {
    font-size: 24px;
  }
  .qualification__more {
    padding-left: 45px;
    padding-right: 45px;
  }
  .qualification__more-item + .qualification__more-item {
    margin-top: 30px;
  }

  .process__item {
    padding-bottom: 0;
  }
  .process__item:before {
    display: none;
  }
  .process__item__align:before {
    height: 100%;
  }
  .process__item__numb span {
    display: none;
  }

  .about__grid {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
  .about__grid + .about__grid {
    margin-top: 40px;
  }
  .about__photo {
    display: none;
  }
  .about__text-mw {
    max-width: 100%;
  }
  .about__text p + p {
    margin-top: 7px;
  }
  .about__text p + ul {
    margin-top: 25px;
  }
}
@media screen and (max-width: 767px) {
  .main {
    min-height: 790px;
    margin-bottom: 40px;
  }
  .main__content > * {
    max-width: 100%;
  }
  .main__content:after {
    right: -300px;
    bottom: auto;
    top: -20px;
    height: 640px;
  }
  .main__title-big {
    width: 100%;
  }
  .main__img {
    position: relative;
    top: auto;
    left: 50px;
    width: 300px;
    margin-left: 0px;
    text-align: center;
    margin-bottom: 40px;
  }
  .main__img img {
    width: auto;
  }
  .main__img:before {
    bottom: 45px;
    top: auto;
    right: 100%;
    margin-right: -11px;
    height: 193px;
    width: 50px;
    background: url(../images/dots-main_img-m.svg);
  }
  .main__prop {
    font-size: 18px;
  }

  .skills__tabs-desktop {
    display: none;
  }
  .skills__tabs-mobile {
    display: block;
    margin-top: 40px;
  }
  .skills__tabs-mobile ul {
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    padding: 0;
    border: none;
  }
  .skills__tabs-mobile li {
    margin: 0 5px;
  }
  .skills__tabs-mobile a {
    opacity: 0.3;
    border-top: 3px solid #5876E1;
    width: 40px;
    padding: 0;
  }
  .skills__tabs-mobile a.active {
    opacity: 1;
  }
  .skills__tabs-mobile a:before {
    display: none;
  }

  .qualification__item {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
  .qualification__item-photo {
    max-width: 480px;
    width: 100%;
    margin-right: 10px;
    -webkit-box-ordinal-group: 0 !important;
        -ms-flex-order: -1 !important;
            order: -1 !important;
  }
  .qualification__item-reverse .qualification__item-photo {
    margin-left: 10px;
    margin-right: 0;
  }
  .qualification__more-item {
    -ms-grid-columns: auto;
    grid-template-columns: auto;
    grid-gap: 15px;
    text-align: center;
  }
  .qualification__more-item__icon {
    text-align: center;
  }
  .qualification__more:before, .qualification__more:after {
    left: 50%;
    right: 0;
    top: -29px;
    margin-left: -76px;
  }
  .qualification__more:after {
    top: auto;
    bottom: -29px;
  }
}
@media screen and (max-width: 639px) {
  .title-box {
    font-size: 20px;
  }

  .skills__item {
    grid-gap: 20px;
  }

  .skills__item-title {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .process__item {
    padding-bottom: 30px;
  }
  .process__item__align {
    width: calc(100% - 35px);
    float: right !important;
  }
  .process__item__align:before {
    left: -30px !important;
    height: calc(100% + 20px);
  }
  .process__item__numb {
    left: -45px !important;
    right: auto !important;
  }

  .about__photo {
    display: block;
    -webkit-box-ordinal-group: 3;
        -ms-flex-order: 2;
            order: 2;
  }
  .about__adv {
    padding: 20px;
  }
  .about__adv-title {
    margin-bottom: 30px;
  }

  .team__items {
    -ms-grid-columns: 1fr 20px 1fr;
    grid-template-columns: 1fr 1fr;
    grid-gap: 30px 20px;
  }
  .team__item-photo {
    margin-bottom: 20px;
  }
  .team__item-photo img {
    max-width: 100%;
  }
  .team__item-name {
    font-size: 18px;
  }
  .team__item-work {
    font-size: 14px;
  }

  .request__forms-item {
    padding: 30px 20px 35px;
  }
  .request__forms-title {
    font-size: 18px;
  }
  .request__forms-param__count {
    font-size: 14px;
  }
}
@media screen and (max-width: 560px) {
  .title-box {
    margin-bottom: 25px;
  }

  .main__title-big {
    font-size: 26px;
  }

  .request__forms-item {
    padding: 30px 20px 35px;
  }
  .request__forms-title {
    font-size: 18px;
  }
  .request-param__line {
    grid-gap: 10px;
  }
  .request__forms-param__count {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
  }
  .request__forms-param__count span {
    display: none;
  }
  .request__forms .counter {
    width: 70px;
  }
}