body {
  padding: 0;
  margin: 0;
  background-color: #130d0a;
  font-family: "Playfair Display", serif;
  color: #fff;
}

#hero {
  height: 800px;
  overflow: hidden;
  position: relative;
}

#content {
  background-color: black;
}

.layer {
  background-position: bottom center;
  background-size: auto;
  background-repeat: no-repeat;
  width: 100%;
  height: 800px;
  position: fixed;
  z-index: -1;
}

#hero-mobile {
  display: none;
  background: url("../../new_assets/full-illustration.png") no-repeat center bottom/cover;
  height: 320px;
}

.first-section {
  padding: 50px 0 20px 0;
}

.text-header {
  font-size: 50px;
  text-align: center;
}

h1 {
  line-height: 120%;
  margin-bottom: 30px;
}

p {
  color: #ede0d5;
  font-size: 18px;
  line-height: 150%;
}

#hero,
.layer {
  min-height: 817px;
}

.layer-bg {
  background-image: url("../../new_assets/sky.png");
}

.layer-overlay {
  background-image: url("../../new_assets/helicopters.png");
}

.layer-1 {
  background-image: url("../../new_assets/chaes.png");
  background-position: left bottom;
}

.layer-2 {
  background-image: url("../../new_assets/forest.png");
}

.layer-3 {
  background-image: url("../../new_assets/stalker1.png");
  background-position: right bottom;
}

.layer-4 {
  background-image: url("../../new_assets/block.png");
}

.layer-5 {
  background-image: url("../../new_assets/logo.png");
}

@media only screen and (max-width: 1024px) {
  #hero {
    display: none;
  }

  #hero-mobile {
    display: block;
  }
}
.tutorial-link {
  color: #fff;
  font-size: 18px;
  text-decoration: underline;
}
.tutorial-link:hover {
  color: #ede0d5;
}

/* CSS */
.one {
  appearance: none;
  background-color: transparent;
  border: 2px solid grey;
  border-radius: 15px;
  box-sizing: border-box;
  color: white;
  cursor: pointer;
  display: inline-block;
  font-family: Roobert,-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";
  font-size: 16px;
  font-weight: 600;
  line-height: normal;
  margin: 0;
  min-height: 60px;
  min-width: 0;
  outline: none;
  padding: 16px 24px;
  text-align: center;
  text-decoration: none;
  transition: all 300ms cubic-bezier(.23, 1, 0.32, 1);
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  will-change: transform;
}

.one:disabled {
  pointer-events: none;
}

.one:hover {
  color: #fff;
  background-color: #1A1A1A;
  box-shadow: rgba(0, 0, 0, 0.25) 0 8px 15px;
  transform: translateY(-2px);
}

.one:active {
  box-shadow: none;
  transform: translateY(0);
}

ul {
    position: absolute;
    z-index: 9999;
    display: inline-flex;
    justify-content: center;
    height: 69px;
    list-style-type: none;
    margin: 0;
    padding: 0;
    background: linear-gradient(180deg, rgba(17,17,17,1) 0%, rgba(0,0,0,0) 100%);
    font-size: 20px;
    font-family: 'Montserrat', sans-serif;
    font-family: 'Raleway', sans-serif;
    color: grey;
    background-color: transparent
}

li {
    float: center;
    cursor: pointer;
}

li a {
    display: block;
    color: white;
    -webkit-transition: all 0.5s ease;
            transition: all 0.5s ease;
    text-align: center;
    padding: 35px 35px;
    text-decoration: none;
    cursor: pointer;
    background-color: transparent;
}

li a:hover {
  color: grey;
  background-color: transparent;
}

/* Стили для подложки */

.overlay {

   /* Скрываем подложку  */
   opacity: 0;
   visibility: hidden;

   position: fixed;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   background-color: rgba(0, 0, 0, .5);
   z-index: 20;
   transition: .3s all;
}

.modal {
  opacity: 0;
   visibility: hidden;
   width: 100%;
   max-width: 500px;
   position: fixed;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
   z-index: 30;
   box-shadow: 0 3px 10px -.5px rgba(0, 0, 0, .2);
   padding: 30px;
   border-radius: 3px;
   background-color: grey;
   transition: 0.3s all;
   text-align: justify;
}

.modal.active,
.overlay.active{
   opacity: 1;
   visibility: visible;
}

.modal__cross {
   width: 15px;
   height: 15px;
   position: absolute;
   top: 20px;
   right: 20px;
   fill: #444;
   cursor: pointer;
}

.modal__title {
  font-family: 'Montserrat', sans-serif;
  font-family: 'Raleway', sans-serif;
}

.h1 {
  font-family: 'Arimo', sans-serif;
  font-size: 16px;
}

.main-content {
  max-width: 950px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-top: 35px;

}

.footer__wrap {
  justify-content: space-between;
  height: 110px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  font-family: 'Montserrat', sans-serif;
  font-family: 'Raleway', sans-serif;
}

.two {
  appearance: none;
  background-color: transparent;
  border: 2px solid grey;
  border-radius: 15px;
  box-sizing: border-box;
  color: white;
  cursor: pointer;
  display: inline-block;
  font-family: Roobert,-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";
  font-size: 16px;
  font-weight: 600;
  line-height: normal;
  margin: 0;
  min-height: 60px;
  min-width: 0;
  outline: none;
  padding: 16px 24px;
  text-align: center;
  text-decoration: none;
  transition: all 300ms cubic-bezier(.23, 1, 0.32, 1);
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  will-change: transform;
}

.two:disabled {
  pointer-events: none;
}

.two:hover {
  color: #fff;
  background-color: #1A1A1A;
  box-shadow: rgba(0, 0, 0, 0.25) 0 8px 15px;
  transform: translateY(-2px);
}

.two:active {
  box-shadow: none;
  transform: translateY(0);
}