@media (min-width: 768px) {
  header {
    background: none; }
  .header__item_left {
    width: 25%; }
  .header__item_right {
    width: 75%; }
  .nav__button {
    display: none; }
  .nav__case {
    position: static;
    display: table;
    width: auto;
    margin-left: 60px;
    background: none; }
  .nav__item {
    display: inline-block;
    vertical-align: top; }
  .present__wrap {
    width: 50%;
    padding: 0 0 30px; }
  .present__wrap:after {
    position: absolute;
    bottom: 0;
    left: 100%;
    width: 410px;
    height: 495px; }
  .description__wrap {
    width: 50%;
    margin-left: auto; }
  .description__photo {
    position: absolute;
    bottom: 0;
    right: 50%;
    max-width: initial; }
  .description__photo img {
    margin: 0;
    width: 95%; }
  .tasks__item {
    display: inline-block;
    vertical-align: text-top;
    width: 50%; }
  .service__case {
    width: 80%;
    margin: 0 50px 0 auto;
    display: table;
    text-align: left; }
  .service__cell {
    display: table-cell;
    vertical-align: top; } }

@media (min-width: 990px) {
  body {
    font-size: 18px; }
  .logo {
    padding: 30px 0 30px 55px; }
  .logo__text {
    font-size: 18px; }
  .logo:before {
    width: 44px;
    height: 42px;
    margin-top: -21px; }
  .nav__case {
    margin-left: 70px; }
  .nav__item a {
    margin: 0 25px; }
  .present {
    background: url("../img/present_bg.jpg") center top no-repeat;
    -webkit-background-size: cover;
    background-size: cover;
    margin-top: 75px; }
  .present__wrap {
    padding-bottom: 20px; }
  .present__wrap:after {
    -webkit-transform: translateY(35px);
        -ms-transform: translateY(35px);
            transform: translateY(35px); }
  .present__title {
    line-height: 1.2;
    font-size: 40px;
    padding: 10px 0 20px; }
  .present__text {
    font-size: 20px;
    line-height: 1.43; }
  .present__wrap:after {
    width: 510px;
    height: 620px; }
  button {
    min-width: 280px; }
  .button__wrap {
    padding: 35px 0 45px;
    text-align: left; }
  .description {
    padding: 150px 0 0; }
  .description__wrap {
    padding-bottom: 110px; }
  .description__photo {
    margin: 0 65px 0 -40px; }
  .description__photo:before {
    margin-top: 90px;
    -webkit-box-shadow: 0 0 200px 200px rgba(165, 165, 165, 0.6);
            box-shadow: 0 0 200px 200px rgba(165, 165, 165, 0.6); }
  .description__photo img {
    width: auto; }
  h1 {
    font-size: 36px; }
  .description__subtitle {
    font-size: 18px;
    width: auto; }
  .tasks {
    padding: 90px 0; }
  .tasks__title b {
    display: initial; }
  .tasks__wrap {
    padding-top: 65px; }
  .tasks__item {
    width: 16%; }
  .tasks__text {
    padding: 25px 10px 0;
    line-height: 1.43; }
  .service {
    padding: 80px 0 0; }
  .service:before {
    height: 100%; }
  .service__wrap {
    width: 70%;
    margin: 0 auto; }
  .service__title {
    font-size: 52px; }
  .service__subtitle {
    font-size: 30px;
    padding: 40px 0;
    width: 80%;
    margin: 0 auto; }
  .service__subtext {
    width: 55%;
    margin: 0 auto; }
  form .button__wrap {
    text-align: center; }
  footer .logo {
    margin: 0; }
  .footer__wrap {
    display: table;
    width: 100%;
    text-align: initial; }
  .footer__cell {
    display: table-cell;
    vertical-align: middle; }
  .footer__case {
    display: table;
    margin-left: auto;
    width: 50%;
    min-width: 350px; }
  .footer__item {
    text-align: left; }
  .footer__data {
    text-align: right; }
  [data-unshow='2'] {
    -webkit-transition-delay: .1s;
         -o-transition-delay: .1s;
            transition-delay: .1s; }
  [data-unshow='3'] {
    -webkit-transition-delay: .2s;
         -o-transition-delay: .2s;
            transition-delay: .2s; }
  [data-unshow='4'] {
    -webkit-transition-delay: .3s;
         -o-transition-delay: .3s;
            transition-delay: .3s; }
  [data-unshow='5'] {
    -webkit-transition-delay: .4s;
         -o-transition-delay: .4s;
            transition-delay: .4s; } }

@media (min-width: 1170px) {
  .present__title {
    font-size: 48px;
    padding: 30px 0; }
  .present__wrap:after {
    width: 586px;
    height: 710px; }
  .service__title {
    font-size: 60px; } }