@import url('https://fonts.googleapis.com/css2?family=Cormorant:wght@400;500&family=Montserrat:wght@400;500;600;700&family=Roboto:wght@300;400;500;700;900&display=swap');

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

.mobile { display: none !important; }
.desctop { display: block !important; }

body {
  
  position: relative;
  overflow-x: hidden;
  font-family: 'Roboto', sans-serif;
  font-size: 14px;
  color: #fff;
  background: #0C0421;
  
  width: 1000px;
}

/* Page */

header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;

  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 82px;
  padding: 80px 0;

  background: transparent;
  z-index: 10;
}

.logo {
  position: absolute;
  width: 61.73px;
  height: 106px;
  left: 61px;
  top: 51px;

  background: url('../img/logo.svg') no-repeat center / contain;
  cursor: pointer;
}

.mail-to {
  position: absolute;
  width: 27px;
  height: 26px;
  top: 72px;
  right: 75px;

  background: url('../img/svg_1.svg') no-repeat center / contain;
  cursor: pointer;
}

.nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 34px;
}

.nav__link {
  position: relative;
  font-family: 'Montserrat', sans-serif;
  font-style: normal;
  font-weight: bold;
  font-size: 16px;
  line-height: 20px;
  text-align: center;
  text-transform: uppercase;

  color: #A3C8FF;
  cursor: pointer;
  padding: 10px 30px;
  transition: .5s;
}
.nav__link:hover {
  color: #fff;
}

.nav__link::after {
  content: '';
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: .5s;
}
.nav__link.active::after {
  background: linear-gradient(267.67deg, #00A3FF 1.45%, #9E00FF 105.66%);
}


header.fixed {
  position: fixed;
  padding: 0;
  background: #1D0958;
}
header.fixed .logo {
  position: absolute;
  top: 25px;
  left: 67px;
  width: 37.91px;
  height: 41.04px;

  background: url('../img/logo_min.svg') no-repeat center / contain;
}
header.fixed .mail-to {
  top: 34px;
  right: 74px;
}

.menu_burger {
  display: none;
}
.menu_burger_block {
  display: none;
}


main {
  position: relative;
  z-index: 2;
}

.title-block {
  width: 100%;
  padding-top: 238px;
}

.title-block .container.flex {
  align-items: flex-end;
}

.title-block .img_wrapper {
  height: 400px;
}
.title-block .img_wrapper img {
  position: absolute;
  top: 0;
  left: -74px;
  width: 100%;
  height: 100%;
}
.title-block .text_wrapper {
  padding: 0;
  padding-right: 10px;
}


.about-block {
  position: relative;
  padding-top: 115px;
  padding-bottom: 70px;
}

.svg2 {
  position: absolute;
  top: 59px;
  right: 0;
  width: 289px;
  height: 155px;
  background: url('../img/svg_2.svg') no-repeat center / contain;
}

.about-block .title.big {
  margin-left: 41px;
}

.about-block .text_wrapper {
  width: 535px;
  padding: 0;
  margin-left: 90px;
}



.air-block {
  position: relative;
}
.air-block .container.flex .img_wrapper {
  height: 348px;
}

.air-block .container.flex .img_wrapper img{
  position: absolute;
  top: 0;
  left: -74px;
  height: 348px;
  z-index: 2;
}

.air-block .container.flex .img_wrapper .mask {
  position: absolute;
  top: 0;
  left: -74px;
  width: 545px;
  height: 349px;
}

.air-block .container.flex .text_wrapper {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  align-items: center;
  width: 456px;
  height: 348px;
  padding: 0;
  padding-left: 60px;
  background: linear-gradient(89.63deg, #297CF8 0.26%, rgba(4, 133, 226, 0) 104.77%);
}

.air-block .container.flex:first-child {
  flex-wrap: nowrap;
  margin-bottom: 52px;
}

.air-block .container.flex:last-child {
  justify-content: center;
}
.air-block .container.flex ul {
  display: inline;
  margin: 0 30px;
}


.services-block {
  padding-top: 95px;
  padding-bottom: 0;
}

.services-block .text_wrapper {
  padding: 0;
}

.services-block .text_wrapper .title.big {
  margin-left: 41px;
}
.services-block .text_wrapper .roboto_400_20 {
  width: 335px;
  margin-left: 90px;
}


.services-block .img_wrapper {
  padding-left: 44px;
}
.services-block .img_wrapper img {
  position: absolute;
  top: 90px;
  left: 44px;
  height: 242px;
}

.services-block .img_wrapper .mask {
  position: absolute;
  top: 93px;
  left: calc(44px + 78px);
  width: 376px;
  height: 238px;

  background-repeat: no-repeat;
  background-size: contain;
}

.services-block .big_padding {
  margin-top: 45px;
  padding-left: 410px;
}
.services-block .big_padding ul {
  padding-left: 50px;
}



.products-block {
  padding-top: 80px;
  padding-bottom: 10px;
}


.products-block ul {
  padding-left: 1em;
}

.products-block .container:nth-child(2) {
  margin-bottom: 40px;
}

.products-block .img_wrapper img {
  position: absolute;
  top: 0;
  left: -74px;
  height: 336px;
  object-position: center;
object-fit: cover
}

.products-block .img_wrapper .mask {
  position: absolute;
  top: 0;
  left: -74px;
  width: 460.5px;
  height: 337.5px;
}


footer {
  position: relative;
  z-index: 2;

  padding: 58px 113px 130px 113px;
}

footer .contacts_wrapper {
  display: flex;
}
footer .contacts_wrapper .roboto_400_18 {
  display: inline;
  margin-left: 50px;
}

footer .contacts_wrapper .links {
  margin-left: 100px;
}

footer .contacts_wrapper .links a {
  display: flex;
  align-items: center;

  font-size: 14px;
  line-height: 179%;

  margin-bottom: 20px;
}

footer .contacts_wrapper .links a:last-child {
  margin-bottom: 0;
}


/* Components */

.title.big {
  font-family: 'Cormorant', serif;
  font-style: normal;
  font-weight: normal;
  font-size: 70px;
  line-height: 71%;

  margin-bottom: 35px;
}

.title {
  font-family: 'Roboto', sans-serif;
  font-style: normal;
  font-weight: normal;
  font-size: 20px;
  line-height: 130%;

  margin-bottom: 20px;
}


.roboto_400_28,
.roboto_400_20,
.roboto_400_18,
.roboto_400_14,
.roboto_300_14
{
  font-family: 'Roboto', sans-serif;
  font-style: normal;
}

.roboto_400_28 {
  font-weight: normal;
  font-size: 28px;
  font-size: 2em;
  line-height: 130%;
}

.roboto_400_20 {
  font-weight: normal;
  font-size: 20px;
  font-size: 1.4285em;
  line-height: 150%;
}

.roboto_400_18 {
  font-weight: normal;
  font-size: 18px;
  font-size: 1.2857em;
  line-height: 167%;
}

.roboto_400_14 {
  font-weight: normal;
  font-size: 14px;
  font-size: 1em;
  line-height: 180%;
}

.roboto_300_14 {
  font-weight: 300;
  font-size: 14px;
  font-size: 1em;
  line-height: 180%;
}


.container {
  display: block;
  width: 100%;
  padding: 0 74px;
}
.container.flex {
  display: flex;
  flex-wrap: wrap;
}

.text_wrapper {
  width: 50%;
  padding: 0 70px;
}

.img_wrapper {
  position: relative;
  width: 50%;
}
.img_wrapper .mask {
  z-index: 2;

  background-repeat: no-repeat;
  background-size: contain;
  background-blend-mode: multiply;
}

.air-block .mask {
  -webkit-mask: url('../img/polygon_1.svg') no-repeat bottom / contain;
  mask: url('../img/polygon_1.svg') no-repeat bottom / contain;
  background: linear-gradient(267.67deg, rgba(0, 163, 255, 0.44) 1.45%, #9E00FF 105.66%);
}

.services-block .mask {
  -webkit-mask: url('../img/polygon_2.svg') no-repeat bottom / contain;
  mask: url('../img/polygon_2.svg') no-repeat bottom / contain;
  background: linear-gradient(255.67deg, #9E00FF -8.41%, rgba(0, 163, 255, 0.44) 47.21%);
}

.products-block .mask {
  -webkit-mask: url('../img/polygon_3.svg') no-repeat bottom / contain;
  mask: url('../img/polygon_3.svg') no-repeat bottom / contain;
  background: linear-gradient(267.43deg, rgba(0, 163, 255, 0.44) -4.87%, #9E00FF 106.02%);
}


.transition {
  transition: .5s;
}

.white {
  color: #fff;
}
.blue {
  color: #A3C8FF;
}
.gray {
  color: #C4C4C4;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  margin-right: 15px;
}

.icon.phone {
  background: url('../img/phone_icon.svg') no-repeat center / 100%;
}
.icon.tg {
  background: url('../img/tg_phone.svg') no-repeat center / 100%;
}



.bg_fon {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: auto;
  z-index: 1;
}

.bg_fon .bg1 {
  width: 100%;
  height: 1044px;
  background: linear-gradient(29.73deg, #0C0421 32.63%, #1D0958 67.76%, #00A3FF 98.11%);
}
.bg_fon .bg2 {
  width: 100%;
  height: 2000px;
  background: #0C0421;
}
.bg_fon .bg3 {
  width: 100%;
  height: 347px;
  background: linear-gradient(198deg, #0C0421 61.15%, #411997 78.2%, #00A3FF 98.78%);
}

.star {
  position: absolute;
  background: url('../img/star.svg') no-repeat center / contain;
}

.bg_fon#stars_block {
  transition: .1s linear;

  transform: scale(0) translateZ(-400px);
  transform-origin: left;
}
.bg_fon#stars_block.active {
  transform: scale(1) translateZ(0);

}