/* Box-sizing для всех элементов */
*, *::before, *::after {
  box-sizing: border-box; /* чтобы padding и border не увеличивали размер элемента */
}
body {
  /* Название переменной начинается с -- */
  --light-grey: #DFDDDD;    /* Серый */
  --grey: #5F5F5F;
  --grey_two: #B7B7B7;
  --accent: #00A19B;
  transition: all 200ms ease-in-out;  
}
.color_accent{
    color: var(--accent);
}
/* Убираем дефолтные отступы */
body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
  font-family: 'Gilroy', sans-serif;
}

/* Наследование шрифтов для форм */
input, button, textarea, select {
  font: inherit;
}

/* Убираем дефолтные стили списков */
ul, ol {
  list-style: none;
}

/* Ссылки без подчёркивания и дефолтного цвета */
a {
  text-decoration: none;
  color: inherit;
}

/* Изображения */
img {
  max-width: 100%;
  display: block; /* убирает лишний отступ снизу */
}

/* Упрощаем работу с медиаэлементами */
iframe, embed, video, object {
  max-width: 100%;
}
h2{
    font-size: 90px;
    font-weight: 400;
}
.h_desc{
    font-size: 20px;
    font-weight: 400;
}
/* Скрываем visually, но оставляем для скринридеров */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  border: 0;
  padding: 0;
  white-space: nowrap;
  clip-path: inset(100%);
  clip: rect(0 0 0 0);
  overflow: hidden;
}
.wrapper{
    width: 100%;
    max-width: 1800px;
    margin: 0 auto;
}
.header {
    flex-flow: row;
    display: flex;
    justify-content: space-between;
    height: 100px;
}
.header .menu{
    width: 100%;
    max-width: 50%;
    margin-top: 52px;
    font-weight: 300;
    font-size: 22px;
}
.header .mob_logo{
    display: none;
}
.header  .contacts_items{
    display: flex;
    flex-flow: wrap;
    width: 100%;
    max-width: 30%;
    align-items: center;
    margin-top: 52px;
    height: fit-content;
    font-weight: 300;
    font-size: 22px;
}
.header  .contacts_items .contacts_item{

    width: 100%;
    max-width: 50%;
  
 
}
.header .btn{
    width: 100%;
    max-width: 20%;
    display: flex;
    align-items: center;
    justify-content: right;
}
.header .btn a{
    padding: 14px 30px;
    background-color: #000;
    color: #FFF;
    border-radius: 18px;
    margin-top: 25px;
}

.header .menu ul{
    display: flex;
    justify-content: start;
}
.header .menu ul li{
   margin-right: 10%;
}
.banner{
    
}
 .banner .banner_img{
    background-image: url(/img/banner.png);
    background-position: bottom;
    background-size: cover;
    
    display: flex;
    justify-content: flex-start;
    align-items: center;
    min-height: 90vh;
}
.banner .banner_content{
    padding-top: 55px;
    /* padding-bottom: 46vh; */
    display: flex;
    flex-flow: wrap;
    justify-content: center;
}
.banner .banner_content .logo{
    width: 100%;
    max-width: fit-content;
    margin-right: 20px;
}
.banner .banner_content .title{
    width: 100%;
    max-width: fit-content;
    font-size: 100px;
    font-weight: 300;
    /* margin-top: -25px; */
    margin-bottom: 100px;
}
.banner .banner_content .desc{
    width: 100%;
    max-width: 100%;
    display: flex;
    justify-content: start;
    margin-top: 100px;
}
.banner .banner_content .desc h1{
    font-size: 48px;
    width: 100%;
    max-width: 33%;
    font-weight: 500;
    text-transform: uppercase;

}
.about.wrapper{
    padding-top: 80px;
    margin-bottom: 80px;
    display: flex;
    flex-flow: row;
    justify-content: space-between;
    /* align-items: center; */
}
.about .left_block{
    width: 100%;
    max-width: 34%;
}
.about .right_block{
    width: 100%;
    max-width: 66%;
}
.about .right_block .ttl{
    font-size: 60px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 2%;
}  
.about .right_block .description{
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
    font-size: 20px;
}  
.about .right_block .description .text1{
    width: 100%;
    max-width: 45%;
} 
.about .right_block .description .text2{
    width: 100%;
    max-width: 45%;
} 

.advantages{
    padding-top: 80px;
    margin-bottom: 80px;
}
.advantages .top_block{
    background-image: url(/img/adv_bg.jpeg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 60vh;
    filter: grayscale(1);
    margin-bottom: 30px;
}
.advantages .bottom_block{

}
.advantages .bottom_block.adv_items{
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    flex-flow: wrap;
}
.advantages .bottom_block.adv_items .adv_item{
    width: 100%;
    max-width: 24%;
    text-align: center;
}
.advantages .bottom_block.adv_items .adv_item .ttl{
    font-size: 100px;
}
.advantages .bottom_block.adv_items .adv_item .desc{
    font-size: 24px;
}

.services{
    padding-top: 80px;
    margin-bottom: 80px;
    display: flex;
    flex-flow: row;
    justify-content: space-between;
}
.services .left_block{
    width: 100%;
    max-width: 34%;
}
.services .right_block{
    width: 100%;
    max-width: 66%;
}

.services .right_block.services_items{
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
}
.services .right_block.services_items .services_item{

    width: 100%;
    max-width: 32%;
    padding: 35px 20px;
    border: 1px var(--light-grey) solid;
    margin-bottom: 20px;
    display: flex;
    flex-flow: column;
    justify-content: space-between;
    

}
.services .right_block.services_items .services_item.tech{
    background-image: url(/img/dron.jpg);
    background-size: cover;
    background-position: center;
}
.services .right_block.services_items .services_item.tech .tags .tag{
    background-color: #fff;
}
.services .right_block.services_items .services_item .name{
    font-size: 28px;
    margin-bottom: 18px;
    min-height: 3em;
        font-weight: 700;
}
.services .right_block.services_items .services_item .desc{
    font-size: 16px;
    margin-bottom: 120px;
    color: var(--grey);
    
}
.services .right_block.services_items .services_item .tags{
    display: flex;
    width: 100%;
    max-width: 100%;
    flex-flow: wrap;
    
}
.services .right_block.services_items .services_item .tags .tag{
    font-size: 14px;
    padding: 5px 10px;
    background-color: var(--light-grey);
    width: 100%;
    color: #000;
    max-width: fit-content;
    height: fit-content;
    border-radius: 9px;
    margin-right: 5px;
    margin-bottom: 5px;
    font-weight: 300;
}
.projects{
    padding-top: 80px;
    margin-bottom: 80px;
}
.projects .ttl_line{
    display: flex;
    justify-content: flex-end;
    margin-bottom: 15px;
}
.projects .ttl_line h2{
    width: 100%;
    max-width: 50%;
}
.projects .projects_items{
    display: flex;
    flex-flow: wrap;
    justify-content: space-around;
}
.projects .projects_items .projects_item{
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    width: 100%;
    max-width: 24%;
    padding-top: 38.87%;
    background-image: url(/img/projects\ full.png);
}
.projects .projects_items .projects_item.mobile{
    display: none;
}
.projects .projects_items .projects_item:nth-child(1){
    
    background-position: 0%;
}
.projects .projects_items .projects_item:nth-child(2){
    
    background-position: 33%;
}
.projects .projects_items .projects_item:nth-child(3){
    background-image: unset;
    padding-top: unset;
}
.projects .projects_items .projects_item:nth-child(4){
    
    background-position: 100%;
    
}
.form{
    padding-top: 80px;
    margin-bottom: 80px;
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
}
.form .left_block{
    width: 100%;
    max-width: 60%;
}
.form .left_block .ttl{
    font-size: 60px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 2%;
} 
.form .right_block{
    width: 100%;
    max-width: 40%;
    display: flex;
    flex-flow: wrap;
    justify-content: center;
    align-items: center;
}
.form .right_block .cirсle_btn{
    padding: 20px 30px;
    border: 1px solid var(--grey);
    border-radius: 15px;
    width: 100%;
    max-width: fit-content;
    cursor: pointer;
    transition: 0.3s ease;
}
.form .right_block .cirсle_btn:hover{
    background-color: var(--grey);
    border-color: var(--grey);
    color:#fff;
    transition: 0.3s ease;
    
}



.footer{
    background-color: #2F2F2F;
    color: var(--light-grey);
    padding-top: 60px;
    padding-bottom: 20px;
}
.footer .wrapper{
    display: flex;
    align-items: stretch;
    flex-flow: wrap;   
}
.footer .left_block{
    width: 100%;
    max-width: 50%;
    display: flex;
    justify-content: flex-start;
    flex-flow: wrap;
}
.footer .left_block .site_map{
    width: 100%;
    max-width: 25%;
}
.footer .left_block .site_map .ttl{
    font-size: 24px;
    color: var(--light-grey);
    margin-bottom: 30px;
}
.footer .left_block .site_map .list{
    font-size: 18px;
    font-weight: 300;
    color: var(--grey_two);
}
.footer .left_block .site_map .list li{
    margin-bottom: 15px;
}
.footer .right_block{
    width: 100%;
    max-width: 50%;
}
.footer .right_block .contacts{
    
}
.footer .right_block .contacts .contacts_items{
    display: flex;
    flex-flow: wrap;
}
.footer .right_block .contacts .contacts_item{
    width: 100%;
    max-width: 100%;
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--light-grey);
    cursor: pointer;
}
.footer .right_block .contacts .ttl{
    font-size: 42px;
    color: var(--light-grey);
    margin-bottom: 10px;
}
.footer .right_block .contacts .tel{
    
}
.footer .bottom_block{
    padding: 20px 0;
    border-top: 2px solid var(--grey);
    width: 100%;
    max-width: 100%;
    display: flex;
    flex-flow: wrap;
}
.footer .bottom_block .copyrights{
    width: 100%;
    max-width: 50%;

}

.footer .bottom_block .up_btn{
    width: 100%;
    max-width: 50%;
    text-align: right;
    color: var(--light-grey);
    cursor: pointer;
}
.footer .bottom_block .ps{
    font-size: 14px;
    color: var(--grey);
}
.footer  .footer_logo{
    display: flex;
    flex-flow: row;
    align-items: stretch;
    justify-content: center;
    width: 100%;
    max-width: 100%;
}
.footer  .footer_logo .logo {
    width: 100%;
    
    max-width: 240px;
}

.footer  .footer_logo .logo svg{
    max-width: 45px;
    height: 45px;
}
.footer  .footer_logo .title {
    font-size: 34px;
    max-width: fit-content;
    font-weight: 200;
}

@media all and (max-width: 1799px) {
    .wrapper{
        max-width: 1350px;
    }
}
@media all and (max-width: 1380px) {
    .wrapper{
        max-width: 1320px;
        padding: 0 20px;
    }
    h2{
        font-size: 70px;
        font-weight: 400;
    }
    .h_desc{
        font-size: 18px;
        font-weight: 400;
    }
    .header .menu{
       
        font-size: 20px;
    }
    .header .contacts_items{
        
        font-size: 20px;
    }
    .header .menu ul li{
        margin-right: 8%;
    }
    .banner .banner_content .logo svg{
        width: 100px;
    }
    .banner .banner_content .title{
        font-size: 80px;
    }
    .banner .banner_content .desc h1{
        font-size: 38px;
        max-width: 35%;
    }


    .about .right_block .ttl{
        font-size: 40px;
    }
    .about .right_block .description {
        font-size: 18px;
    }

    .advantages .bottom_block.adv_items .adv_item .ttl{
        font-size: 80px;
    }
    .advantages .bottom_block.adv_items .adv_item .desc {
        font-size: 18px;
    }
    
    .services .right_block.services_items .services_item{

    }
    .services .right_block.services_items .services_item .name {
        font-size: 22px;
    }
    .services .right_block.services_items .services_item .desc{
        font-size: 14px;
        margin-bottom: 70px;
    }

    .form .left_block .ttl {
        font-size: 40px;
 
    }
    .footer .left_block .site_map .ttl{
        font-size: 22px;
    }
    .footer .left_block .site_map .list{
        font-size: 16px;
    }
    .footer .right_block .contacts .ttl{
        font-size: 36px;
    }

}


@media all and (max-width: 1200px) {
    
    .wrapper{
        max-width: 100%;
        padding: 0 20px;
    }
    .header{
        height: 80px;
        align-items: center;
    }
    .header .menu{
        
        font-size: 18px;
    }
    .header .menu,
    .header .btn a,
    .header .contacts_items{
        margin-top: unset;
    }
    .header .contacts_items{
        
        font-size: 18px;
    }
    .header .menu ul li{
        margin-right: 6%;
    }
    .banner .banner_content .desc h1{
        max-width: 45%;
    }
}
@media all and (max-width: 1060px) {
    .header{
        height: 70px;
        
    }
    .header .menu,
    .header .contacts_items{
        font-size: 16px;
    }
    .header .menu,
    .header .btn a,
    .header .contacts_items{
        margin-top: unset;
    }
    .header .menu ul li{
        margin-right: 5%;
    }
    .header .contacts_items{
        max-width: 40%;
        justify-content: space-around;
    }
    .header .contacts_items .contacts_item{
        max-width: fit-content;
    }
}
@media all and (max-width: 900px) {
    h2{
        font-size: 48px;
        font-weight: 400;
    }
    .header .contacts_items{
        max-width: fit-content;
    }
    .header .contacts_items .contacts_item.tel{
        display: none;
    }
    .banner .banner_content .desc h1{
        max-width: 55%;
    }
    .projects.wrapper{
        overflow-x: scroll;
    }
    .projects .projects_items{
        width: 180%;
        justify-content: space-between;
    }
    .projects .projects_items .projects_item{
        max-width: 23%;
        padding-top: 38.87%;
        
    }
    .projects .projects_items .projects_item:nth-child(1){
    
        order: 1;
    }
    .projects .projects_items .projects_item:nth-child(2){
        background-position:66%;
        order: 3;
    }
    .projects .projects_items .projects_item:nth-child(3){
        order: 2;
        
    }
    .projects .projects_items .projects_item:nth-child(4){
    
        order: 4;
    }
    .form .left_block .ttl {
        font-size: 36px;
 
    }
    .footer .left_block .site_map .ttl{
        font-size: 20px;
    }
    .footer .left_block .site_map .list{
        font-size: 14px;
    }
    .footer .right_block .contacts .ttl{
        font-size: 30px;
    }
    .footer .left_block .site_map{
        max-width: 33%;
    }
    

}
@media all and (max-width: 750px) {
    .header{
        height: 60px;
    }
    .header .menu,
    .header .contacts_items{
        display: none;
    }
    .header .mob_logo{
        display: flex;
        flex-flow: wrap;
        justify-content: flex-start;
        align-content: center;
        width: 100%;
    }
    .header .mob_logo .logo{
        margin-right: 10px;
    }
    .header .mob_logo .title{
        align-self: center;
        font-size: 36px;
    }
    .header .mob_logo .logo svg{
        max-width: 40px;
        height: 40px;
    }
    .header .btn a{
        margin: unset;
    }
    .banner .banner_content .desc h1{
        max-width: 75%;
    }


    .about.wrapper{
        flex-flow:column;
    }
    .about .right_block,
    .about .left_block{
        max-width: 100%;
    }
    h2{
        margin-bottom: 40px;
    }

    .advantages .bottom_block.adv_items .adv_item{
        max-width: 49%;
        margin-bottom: 2%;
    }

    .services{
        flex-flow: column;
    }
    .services .left_block,
    .services .right_block{
        max-width: 100%;
    }
    .services .left_block{
        margin-bottom: 40px;
    }
    .services .left_block h2{
        margin-bottom: 15px;
    }
    .services .right_block{

    }
    .services .right_block.services_items .services_item{
        max-width: 49%;
        margin-bottom: 2%;
    }
    .projects .ttl_line{
        justify-content: flex-start;
    }
    .projects .projects_items{
        width: calc(270px * 5);
    }
    .projects .projects_items .projects_item{
        min-width: 270px;
        
    }
    
    
    
}

@media all and (max-width: 660px) {
    h2{
        font-size: 32px;
        font-weight: 400;
    }
    .about .right_block .ttl{
        font-size: 26px;
    }
    .wrapper {
      
        padding: 0 10px;
    }
    .banner .banner_content .title{
        font-size: 70px;
        margin-bottom: 50px;
    }
    .banner .banner_content .logo svg{
        width: 70px;
        height: 70px;
    }
    .banner .banner_img{
        min-height: 90vh;
    }
    .banner .banner_content{
        padding-top: 10px;
    }
    .banner .banner_content .desc h1{
        max-width: 100%;
        font-size: 28px;
    }
    .projects .projects_items .projects_item:nth-child(1){
        background-position:33%;
        order: 2;
    }
    .projects .projects_items .projects_item:nth-child(2){
        background-position:66%;
        order: 3;
    }
    .projects .projects_items .projects_item:nth-child(3){
        order: 1;
        
    }
    .projects .projects_items .projects_item:nth-child(4){
    
        order: 4;
    }
    .projects .projects_items .projects_item:nth-child(1){

        background-position: 33%;
    }
    .form{
        flex-flow: column;
    }
    .form .left_block,
    .form .right_block{
        max-width: 100%;
    }
    .form .left_block{
        margin-bottom: 2%;
    }
    .form .left_block .ttl{
        font-size: 24px;
    }
    .footer .wrapper{
        flex-flow: column;
    }
    .footer .left_block,
    .footer .right_block{
        max-width: 100%;
    }
    .footer .left_block .site_map {
        max-width: 44%;
    }
    .footer .right_block .contacts{
        text-align: center;
    }
    .footer .left_block{
        justify-content: space-around;
    }
    .footer .bottom_block .copyrights{
        max-width: 70%;
    }
    .footer .bottom_block .up_btn{
        max-width: 30%;
    }


}
@media all and (max-width: 500px) {
    .services .right_block.services_items .services_item{
        max-width: 100%;
    }
    
}
@media all and (max-width: 450px) {
    .header .mob_logo .title{
       display: none;
    }
    .about .right_block .description{
        flex-flow: column;
    }
    .about .right_block .description .text1,
    .about .right_block .description .text2{
        max-width: 100%;
    }
    .about .right_block .description .text1{
        margin-bottom: 2%;
    }
    .banner .banner_content .title {
        font-size: 50px;
        margin-bottom: 30px;
    }
}