@media (max-width: 1199px) {

  /* Header */
  .header-logo {
    font-size: 22px;
  }
  .header-btn .btn_primary {
    padding-right: 50px;
    font-size: 14px;
  }

  /* Nav */
  .nav-item {
    margin-right: 18px;
  }
  .nav-link {
    font-size: 14px;
  }

  /* Main */
  .main {
    min-height: auto;
    background-attachment: unset;
  }
  .main-devices {
    font-size: 30px;
  }
  .main-job {
    margin-bottom: 25px;
    font-size: 40px;
  }
  .main-consultation {
    margin-bottom: 40px;
    font-size: 28px;
  }

  /* About */
  

  /* Tabs */
  .tabs-item .space-row-60 {
    margin-right: -15px;
    margin-left: -15px;
  }

  .tabs-item .space-row-60>[class^="col-"] {
    padding-right: 15px;
    padding-left: 15px;
  }

  .tabs-btn {
    min-height: 45px;
    font-size: 18px;
    line-height: 45px;
  }

  /* Team */
  .team-list .space-row-40 {
    margin-right: -15px;
    margin-left: -15px;
  }
  .team-list .space-row-40>[class^="col-"] {
    padding-right: 15px;
    padding-left: 15px;
  }

  /* Contacts */
  .contacts:before {
    clip-path: polygon(0% 0%, 0% 100%, 100% 100%, 100% 0%, 0% 0%, 0% 35%, 45% 35%, 45% 73.5%, 2% 73.5%, 2% 0%);
  }

  /* Footer */
  .footer {
    padding-bottom: 20px;
  }
  .footer-copyright {
    padding-top: 15px;
  }

}

@media (max-width: 990px) {
  .about .container_custom {
    max-width: 100%;
    padding-right: 15px;
    padding-left: 15px;
  }
}

@media (max-width: 959px) {
  /* Header */
  .header {
    padding-top: 15px;
  }
  .header-nav {
    width: 100%;
    max-width: calc(100% - 180px);
  }
  .header-logo {
    font-size: 22px;
  }
  .header-btn {
    /* position: fixed;
    bottom: 60px;
    right: 15px; */
    display: none;
  }

  /* Nav */
  .nav-list {
    justify-content: flex-end;
  }
  .nav-item {
    margin-right: 18px;
  }
  .nav-link {
    font-size: 14px;
  }
}

@media (max-width: 767px) {

  /* Header */
  .header-row {
    flex-direction: column;
    align-items: center;
  }
  .header-logo {
    font-size: 20px;
  }
  .header-logo-img {
    width: 45px;
    height: 40px;
  }
  .header-btn {
    justify-content: center;
  }
  .header-btn .btn_primary {
    font-size: 13px;
  }

  /* Nav */
  .nav {
    max-width: 100%;
    padding: 12px 0;
  }
  .nav-list {
    justify-content: center;
  }
  .nav-item {
    margin-right: 10px;
    margin-left: 10px;
  }
  .nav-link {
    font-size: 13px;
    letter-spacing: 0;
  }

  /* Main */
  .main-devices {
    font-size: 25px;
  }
  .main-job {
    font-size: 35px;
  }
  .main-preview .main-consultation {
    font-size: 22px;
  }
  .main-btn .btn_primary {
    line-height: 50px;
  }

  .main-logo {
    font-size: 60px;
  }

  .main-logo span {
    padding-left: 20px;
  }

  .main-logo-img {
    width: 150px;
    min-width: 150px;
    max-width: 150px;
    height: 122px;
    max-height: 122px;
  }

  .main-logo-img img {
    width: 150px;
    height: 120px;
  }

  /* Tabs */
  .tabs-btn {
    min-width: 180px;
    min-height: 30px;
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 30px;
  }

  .tabs-content {
    padding-top: 25px;
  }

  /* team */
  .team-item {
    padding-bottom: 0;
  }
  .team-item-info {
    padding-top: 10px;
  }
  .team-img {
    min-height: unset;
  }
  .team-name {
    font-size: 13px;
  }

  /* Contacts */
  .contacts:before {
    clip-path: none;
    background-color: rgba(0, 0, 0, .3);
  }

  .contacts-content {
    width: 100%;
    padding-left: 15px;
    float: none;
  }

  .contacts-form {
    margin-right: auto;
    margin-left: auto;
  }

  /* Footer */
  .footer-logo {
    width: 50px;
    height: 44px;
    margin-right: 20px;
  }
  .footer-item {
    font-size: 14px;
  }
  .footer-copyright {
    font-size: 11px;
  }
}

@media (max-width: 599px) {

  /* Section */
  .section {
    padding-top: 60px;
  }

  /* Main */
  .main {
    padding-top: 30px;
    padding-bottom: 40px;
  }
  .main-btn .btn_primary {
    padding-right: 40px;
    padding-left: 20px;
    font-size: 13px;
    line-height: 45px;
  }
  .btn_primary .arrow {
    width: 20px;
    right: 13px;
  }
  .btn_primary .arrow:before, .btn_primary .arrow:after {
    width: 7px;
  }

  /* About */
  .about-item {
    margin-bottom: 25px;
  }
  .about-item :last-child{
    margin-bottom: 0;
  }
  .about-item-descr {
    text-align: center;
  }

  /* Projects */
  .projects-list .space-row-30 {
    margin-right: -8px;
    margin-left: -8px;
  }

  .projects-list .space-row-30 .projects-item {
    padding: 0 8px 5px;
    padding-right: 8px;
    padding-left: 8px;
  }

  .projects-item-title {
    line-height: 16px;
  }

  .projects-item-descr {
    font-size: 13px;
    line-height: 18px;
  }

  /* Footer */
  .footer-logo {
    margin-bottom: 15px;
    margin-right: auto;
    margin-left: auto;
  }
  .footer-contacts {
    width: 100%;
    text-align: center;
  }
  .footer-item span {
    display: block;
  }
  .footer-social {
    width: 100%;
  }
  .footer .social-links {
    justify-content: center;
  }

}

@media (max-width: 550px) {

  /* Main */
  .main-logo {
    margin-bottom: 35px;
    font-size: 36px;
  }

  .main-logo-img {
    width: 90px;
    min-width: 90px;
    max-width: 90px;
    height: 82px;
    max-height: 82px;
  }

  .main-logo-img img {
    width: 90px;
    height: 82px;
  }

  .main-preview {
    height: auto;
    top: 28%;
    /* transform: translateY(-50%); */
  }

  .main-preview .main-consultation {
    font-size: 12px;
  }

  .main-btn_arrow {
    bottom: 60px;
  }

}