body {
  margin: 0;
  padding: 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 22px;
  color: #252c36;
}

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

a {
  outline: none;
  text-decoration: none;
}

a:active {
  outline: none;
}

input {
  outline: none;
  margin: 0;
  padding: 0;
}

img {
  max-width: 100%;
}

img,
img a {
  border: none;
}

a:hover {
  text-decoration: none;
}

.clearfix:after {
  content: "";
  display: table;
  clear: both;
}

.wrapper {
  max-width: 1520px;
  margin: 0 auto;
  padding: 0 25px;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1 {
  color: #fff;
  font-size: 58px;
  margin: 0 0 40px;
  text-transform: uppercase;
}

.section-title {
  color: #000;
  font-size: 50px;
  font-weight: bold;
  text-align: center;
  margin: 0 auto;
  padding: 60px 0;
}

.subtitle {
  font-size: 38px;
  font-weight: normal;
  text-align: center;
}

.en .subtitle {
  font-size: 34px;
}

p {
  margin: 0;
}

header {
  background-color: #fff;
  width: 100%;
}
.phone a, .phone a:hover {
  color: #fff;
}
.lang-bar {
  background-color: #002a52;
  padding: 10px 0;
}
.lang-bar .phone {
  float: left;
  color: #fff;
  font-size: 20px;
  margin-top: 8px;
}
.langs {
  float: right;
  margin-top: 5px;
}
.langs li {
  display: inline-block;
  margin-left: 10px;
}
.logo-nav-container {
  padding: 15px 0;
}
.logo {
  float: left;
}
.main-navigation {
  float: right;
}
.main-navigation ul li {
  display: inline-block;
  vertical-align: middle;
  margin-right: 80px;
  margin-top: 40px;
}
.main-navigation ul li:last-child {
  margin-right: 0;
}
.main-navigation ul li a {
  color: #121212;
  font-size: 20px;
  font-weight: 600;
  text-transform: uppercase;
}
.main-navigation ul li a:hover {
  color: #1286f1;
}

.flex-container {
  display: flex;
  flex-wrap: wrap;
  margin-left: -40px;
}
.flex-item {
  flex-direction: column;
  padding-left: 40px;
  margin-bottom: 50px;
}
.flex-container.two-column .flex-item {
  width: 50%;
}
.flex-container.three-column .flex-item {
  width: 33.3%;
}
.flex-container.four-column .flex-item {
  width: 25%;
}

.hero-container {
  background: url("../images/hero.jpg") center center no-repeat;
  background-size: cover;
  width: 100%;
  height: 833px;
  position: relative;
}
.hero-container p {
  color: #fff;
}
.hero-container .content-container {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  max-width: 620px;
}

/* All */
.all {
  text-align: center;
  padding: 20px 0 60px;
}
.all img {
  margin-top: 150px;
}
.all p {
  margin-top: 40px;
}

/* About */
.about {
  background-color: #ddd;
  text-align: center;
  padding: 20px 0 80px;
}
.about p {
  text-align: left;
  margin-top: 50px;
}
.about .item-container {
  background-color: #fff;
  padding: 20px 50px 50px;
  height: 100%;
}

/* Services */
.services .flex-container {
  margin-left: -100px;
}
.services .flex-item {
  padding-left: 100px;
}
.services, .services .section-title {
  color: #fff;
}
.service-part-1 {
  background: url("../images/service_bg1.jpg") center no-repeat;
  background-size: cover;
}
.service-part-2 {
  background: url("../images/service_bg2.jpg") center no-repeat;
  background-size: cover;
  padding-bottom: 60px;
}
.services {
  text-align: center;
}
.services p {
  text-align: justify;
}
.services img {
  margin: 20px 0 60px;
}
.service-part-1 .subtitle {
  min-height: 100px;
}
.service-part-2 .subtitle {
  min-height: 150px;
}

/* Problems */
.problems .item-container {
  height: 100%;
  padding: 40px 25px;
  -webkit-box-shadow: 3px 3px 18px 0px rgba(0,0,0,0.2);
  -moz-box-shadow: 3px 3px 18px 0px rgba(0,0,0,0.2);
  box-shadow: 3px 3px 18px 0px rgba(0,0,0,0.2);
}
.problems .flex-item:nth-child(2) img {
  margin-left: -10px;
}
.problems {
  text-align: center;
}
.problems .subtitle {
  font-size: 30px;
  font-weight: bold;
}
.problems p {
  text-align: justify;
}

.more-problems {
  background-color: #1a4d7f;
  color: #fff;
  padding: 130px 0;
}
.more-problems img, .more-problems h3 {
  display: inline-block;
  vertical-align: middle;
}
.more-problems .tools-image {
  margin-right: 40px;
}
.more-problems p {
  margin-top: 40px;
}

/* Gallery */
.gallery {
  padding-bottom: 70px;
}
.gallery .flex-container.three-column {
  margin-left: -30px;
}
.gallery .flex-container.three-column .flex-item {
  margin-bottom: 30px;
  padding-left: 30px;
}
.gallery img {
  display: block;
  width: 100%;
}

/* Contacts */
.contacts {
  background-color: #eee;
}
.contacts p {
  font-style: italic;
  text-align: center;
  padding-bottom: 40px;
}
iframe {
  width: 100%;
}
input, textarea {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 30px;
  border: 2px solid #fff;
  display: block;
  width: 100%;
  padding: 15px;
}
input {
  height: 60px;
  line-height: 60px;
  margin-bottom: 25px;
}
textarea {
  resize: none;
}
.checkbox {
  display: table;
  width: 100%;
  margin-top: 15px;
}
input[type=checkbox] {
  display: table-cell;
  vertical-align: top;
  width: 25px;
  height: 25px;
  margin-bottom: 0;
}
.checkbox span {
  color: #373f4a;
  font-size: 14px;
  display: table-cell;
  vertical-align: top;
  padding-left: 10px;
}
.submit {
  position: relative;
}
.submit img {
  position: absolute;
  top: 40px;
  right: 15px;
  width: 40px;
}
.submit input {
  float: right;
  background-color: #0a63bf;
  border-radius: 50px;
  color: #fff;
  cursor: pointer;
  text-align: center;
  line-height: 0;
  width: 200px;
  margin-top: 20px;
  margin-bottom: 0;
}
.submit input:hover {
  background-color: #4180b6;
}
.output_message span {
  margin-bottom: 10px;
}
footer {
  background-color: #d3d3d3;
  color: #000;
}
footer a {
  color: #000;
}
footer a:hover {
  color: #1286f1;
}
footer .footer-image {
  display: block;
}
footer .flex-item {
  margin-top: 90px;
  margin-bottom: 90px;
}
footer .footer-logo {
  margin-bottom: 50px;
}
.footer-nav li {
  display: block;
  margin-bottom: 50px;
  text-align: center;
}
.footer-nav li:last-child {
  margin-bottom: 0;
}
.footer-nav li a {
  color: #000;
  font-size: 20px;
  font-weight: bold;
  text-transform: uppercase;
}
.footer-nav li a:hover {
  color: #1286f1;
}
.manifest {
  text-align: center;
  margin-bottom: 40px;
}
.location li {
  margin-bottom: 20px;
}
.location li:first-child span {
  margin-left: 10px;
  margin-right: 30px;
}
.location span, .location a {
  display: inline-block;
  vertical-align: middle;
}
.location span {
  margin-right: 40px;
}
.location a {
  font-weight: bold;
}
.socials-container {
  text-align: center;
}
.socials-container p {
  margin-top: 40px;
}
.socials li {
  display: inline-block;
  margin-top: 30px;
  margin-right: 50px;
  vertical-align: middle;
}
.socials li:last-child {
  margin-right: 0;
}
.socials li span, .socials li a {
  display: inline-block;
  vertical-align: middle;
}
.terms {
  background-color: #002a52;
  text-align: center;
  padding: 30px 25px;
}
.terms a {
  color: #fff;
}
.terms a:hover {
  color: #1286f1;
}
.terms-content {
  padding: 50px 0 100px;
}
.terms-content p {
  margin: 20px 0;
}
.copyright {
  background-color: #000;
  color: #5b95d2;
  font-size: 20px;
  text-align: center;
  padding: 25px;
}
.scroll-top {
  cursor: pointer;
  position: fixed;
  left: 20px;
  bottom: 20px;
  width: 42px;
  height: 42px;
  text-indent: -999px;
  display: none;
  background: url(../images/scroll_top_icon.png) no-repeat;
  z-index: 9;
}

/* Responsive */
@media screen and (max-width: 1450px) {
  body {
    font-size: 18px;
  }
  h1 {
    font-size: 48px;
  }
  .section-title {
    font-size: 40px;
  }
  .subtitle {
    font-size: 28px;
  }
  .en .subtitle {
    font-size: 26px;
  }
  .about .item-container {
    padding: 20px 30px 50px;
  }
}
@media screen and (max-width: 1200px) {
  .subtitle {
    font-size: 26px;
  }
}
@media screen and (max-width: 1199px) {
  .main-navigation {
    display: none;
    background-color: #fff;
    position: absolute;
    top: 65px;
    left: 0;
    width: 100%;
    z-index: 99;
  }
  .main-navigation ul li {
    display: block;
    margin: 20px 0;
    text-align: center;
  }
  .mobile-menu-button {
    position: absolute;
    text-indent: -9999px;
    background: url(../images/mobile_menu_icon.png) 0 0 no-repeat;
    background-size: 23px 19px;
    width: 23px;
    height: 19px;
    top: 120px;
    right: 25px;
    z-index: 99;
  }
  .flex-container.three-column .flex-item,
  .flex-container.two-column .flex-item {
    width: 100%;
  }
  footer .flex-item {
    margin-top: 50px;
    margin-bottom: 50px;
  }
  footer .flex-container.three-column .flex-item,
  .contacts .flex-container.three-column .flex-item {
    width: 100%;
    text-align: center;
  }
}
@media screen and (max-width: 420px) {
  .lang-bar .phone {
    font-size: 11px;
  }
  h1 {
    font-size: 32px;
  }
  .hero-container {
    height: 500px;
  }
  .hero-container .content-container {
    padding-right: 25px;
  }
  .section-title {
    font-size: 26px;
    padding: 20px 0; 
  }
  .subtitle {
    font-size: 22px;
  }
  .all {
    padding-bottom: 0;
  }
  .all img {
    margin-top: 0;
    max-width: 70%;
  }
  .all .flex-item:first-child img {
    margin-top: 40px;
  }
  .all p {
    margin-top: 20px;
  }
  .about {
    padding-bottom: 0px;
  }
  .services img {
    margin: -40px 0 40px;
    max-width: 70%;
  }
  .service-part-2 {
    padding-bottom: 0;
  }
  .problems .subtitle {
    font-size: 22px;
  }
  .more-problems {
    padding: 40px 0 0;
  }
  .more-problems .tools-image {
    margin-right: 0;
  }
  .gallery {
    padding-bottom: 20px;
  }
  .submit input {
    float: none;
    margin: 20px auto;
  }
  footer .flex-item {
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .footer-nav li {
    margin-bottom: 20px;
  }
  .location img {
    max-width: 60%;
  }
  .location span {
    margin-right: 0;
  }
  .socials li {
    margin-right: 10px;
  }
  .socials img {
    max-width: 70%;
  }
  .copyright {
    font-size: 14px;
  }
  .scroll-top {
    top: 20px;
    right: 25px;
    left: auto;
    bottom: auto;
  }
}