@media (min-width: 2048px) {
  section.hero {
    background-position: bottom;
  }
  .main_footer {
    background-position: top;
  }
}

@media (min-width: 1200px) and (max-width: 1290px) {
  .footer_links {
    max-width: 1000px;
    margin-left: 90px;
  }
}

@media (max-width: 1200px) {
  .hero .hero_text {
    margin-top: 20px;
  }

  .hero .iphones .iphone_1 {
    margin-top: 40px;
  }

  .screenshots .iphone_x #screen_slider > div {
    height: 595px;
  }

  section.hero.about {
    height: 900px;
  }
  .screenshots .screenshots_row > div.first,
  .screenshots .screenshots_row > div.last {
    justify-content: center;
  }
  .screenshots .iphone_x:before {
    width: 400px;
  }
  .screenshots .iphone_x:before {
    margin-left: -16px;
  }
  .screenshots .iphone_x img {
    width: 277px;
  }
  .screenshots .screenshots_row > div.iphone {
    width: 370px;
  }
  .screenshots .iphone_x #screen_slider {
    margin: 54px 44px;
    width: 277px;
  }
  .screenshots .screenshot {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 20px;
    max-height: 160px;
  }
  .screenshots .row {
    margin-bottom: 50px;
  }
  .main_footer .download {
    margin-top: 0;
  }
}

@media (max-width: 1100px) {
  .footer_links {
    max-width: 824px;
    margin-left: 90px;
  }
}

@media (max-width: 992px) {
  .navbar-dark .navbar-toggler {
    border: 0;
  }

  #download h3 {
    color: #fff;
  }

  .navbar-toggler:not(:disabled):not(.disabled) {
    outline: none;
  }
  .tablet-hidden {
    display: none;
  }
  .tablet-full {
    margin-top: 0px;
  }
  .navbar-toggler.collapsed .navbar-toggler-icon {
    background-image: url(../icons/hamburger_icon.svg);
    width: 24px;
    height: 24px;
    background-size: 24px;
  }
  .navbar-toggler .navbar-toggler-icon {
    background-image: url(../icons/hamburger_icon_close.svg);
    width: 21px;
    height: 21px;
    background-size: 21px;
  }

  .navbar-toggler {
    z-index: 4;
  }

  .header_btn {
    margin: 12px 13px 0;
  }

  .hero .hero_text {
    margin: 42px auto;
    max-width: 600px;
    float: left;
  }
  .tablet-full {
    width: 100%;
    max-width: 100%;
    flex: auto;
  }
  section.hero {
    height: 600px;
  }
  section.hero.about {
    height: 820px;
  }
  div#main_navbar {
    position: absolute;
    top: 0;
    z-index: 3;
    background: rgba(0, 0, 0, 0.9);
    width: 200px;
    right: -4px;
    border-radius: 13px;
    border-top-right-radius: 0;
  }
  div#main_navbar ul {
    padding: 35px 10px 25px;
  }
  div#main_navbar .btn-primary {
    border-color: #ffffff;
  }
  .features h2 {
    margin-bottom: 100px;
  }
  nav.navbar {
    padding: 0;
  }
  .screenshots_row .first,
  .screenshots_row .last {
    display: none;
  }
  .screenshots .screenshots_row > div.iphone {
    margin: 0 auto;
  }
  section.section.features {
    margin-bottom: 0px;
    padding-bottom: 30px;
  }
  .screenshots .iphone_x #screen_slider {
    margin-bottom: 0;
  }
  .screenshots .screenshots_row > div.iphone {
    height: 717px;
  }
  .screenshots .iphone_x #screen_slider > div {
    height: 595px;
  }
  .news_block .news_item .content {
    padding: 21px 8px 6px;
  }
  .news_block .news_item img {
    height: 200px;
  }
  .news_block > div {
    padding-right: 15px;
    padding-left: 15px;
  }
  .news .news_block {
    margin-right: -15px;
    margin-left: -15px;
  }
  .news .section_button {
    margin-top: 70px;
  }
  .footer_links {
    display: none;
  }
  .main_footer {
    height: 605px;
    margin-top: 20px;
  }
  .main_footer .download {
    background-color: transparent;
    border: 0;
    box-shadow: none;
    height: auto;
    padding: 0;
    margin-top: 170px;
  }
  .footer_content {
    margin-top: 63px;
    margin-bottom: 15px;
  }
  .main_footer .download p {
    color: #e6e6e6;
  }
  .footer_bottom p {
    margin-top: 5px;
  }
  section.screenshots {
    margin-bottom: 20px;
  }
  .section_button {
    margin: 20px 0 40px;
  }
  .dropdown-toggle::after {
    width: 11px;
    height: 11px;
    background-size: 11px;
  }
  .dropdown-toggle[aria-expanded="true"]:after {
    transform: rotate(180deg);
  }
}

@media (max-width: 767px) {
  .hero .hero_text p br {
    display: none;
  }
  .footer_logo img {
    width: 80px;
  }
  .main_logo img {
    max-width: 40px;
    margin-left: 10px;
  }
  .features .feature_item {
    margin-bottom: 30px;
  }
  .news_block .news_item {
    max-width: 350px;
    margin-bottom: 40px;
  }

  .section_title {
    margin: 70px 0px 40px 0px !important;
    font-size: 36px;
    font-weight: 600;
  }

  .sub_title {
    margin: 0px 0px 20px 0px !important;
    font-size: 24px;
    font-weight: 600;
  }

  .feature_subtitle {
    margin-bottom: 50px !important;
  }
  .news_block > div {
    display: flex;
    justify-content: center;
  }
  .news_block .news_item img {
    height: 350px;
  }
  section.hero {
    height: 600px;
  }
  section.hero.about {
    height: 740px;
  }
  .main_footer {
    background-color: #3182ce;
    margin-top: 80px;
    height: 608px;
  }
  .features h2 {
    margin-top: 100px;
  }
  .main_footer .download {
    margin-top: 112px;
  }
  footer .social_links {
    float: left;
    margin-bottom: 40px;
  }
  .footer_bottom {
    display: flex;
    flex-wrap: wrap-reverse;
    justify-content: center;
    width: 300px;
    margin: 40px auto 0;
    float: none;
  }
  .screenshots_row {
    flex-wrap: wrap;
  }
  .screenshots_row .first {
    flex-wrap: wrap;
  }

  .screenshots_row .last {
    flex-wrap: wrap;
  }
}

@media (max-width: 550px) {
  .hero h1 {
    font-size: 27px;
  }
  .hero .hero_text p {
    font-size: 14px;
    max-width: 340px;
    margin-top: 16px;
    margin-left: auto;
    margin-right: auto;
  }
  .btn-primary.btn-lg {
    min-width: 167px;
    height: 45px;
    font-size: 14px;
    line-height: 28px;
  }
  .hero .hero_text .btn-icon span {
    font-size: 14px;
  }
  .hero .hero_text .btn-icon i {
    font-size: 25px;
  }
  .hero .hero_text .buttons > a {
    clear: both;
  }
  .hero .hero_text .btn-icon {
    color: #ffffff;
    padding: 20px 2px;
  }
  .hero .hero_text {
    margin: 60px auto;
    max-width: 380px;
    float: none;
  }
  .section_title {
    font-size: 30px;
  }
  .download .download_links img {
    width: 133px;
  }
  .main_footer .download h3 {
    font-size: 20px;
    line-height: 30px;
  }
  .main_footer .download p {
    font-size: 14px;
  }

  .footer_content {
    margin-top: 33px;
  }
  .screenshots_row,
  .screenshots_row .first,
  .screenshots_row .last {
    flex-direction: column;
  }
  .screenshot {
    width: 100% !important;
    max-width: none !important;
  }
}

@media (max-width: 400px) {
  .screenshots .iphone_x:before {
    width: 100%;
    background-size: 338px;
    background-position: center;
    margin-left: 0;
  }
  .screenshots .iphone_x #screen_slider {
    margin: 131px 0;
    width: 234px;
  }
  section.hero {
    height: 600px;
  }
  section.hero.about {
    height: 780px;
  }
  .screenshots .iphone_x img {
    width: 234px;
  }
  .iphone_x {
    display: flex;
    justify-content: center;
  }
  .screenshots .container {
    padding: 0;
  }
}