:root {
    --color-text-dark: #1B1A1A;
    --color-brand: #001d77;
    --color-hero-bg: #00001c;
    --container-width: 80%;
    --container-max-width: 1440px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body{
      font-family: 'Poppins', sans-serif;
  }
  li{
      list-style: none;
  }
  a{
      text-decoration: none;
      cursor: pointer;
  }
  h1 {
    font-size: 4em;
    text-align: center;
    padding-bottom: 70px;
}
  .container{
      width: var(--container-width);
      max-width: var(--container-max-width);
      margin-left: auto;
      margin-right: auto;
  }

  .header{
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 0 4px 10px rgb(0 0 0 / 5%);
    z-index: 10; 
  }
  .header__top {
    height: 90px;
    display: flex;
    justify-content:space-between;
    align-items: center;
    font-size: 1.2em;
  }
  
  .header__top .nav {
    display: flex;
    width: 100%;
    height: 100%;
  }
  
  .header__top .nav ul {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
    width: 80%;
    margin-left: auto;
  }
  
  .header__top .nav ul li a,
  .header__top .nav ul li a:visited {
    color: var(--color-text-dark);
  }
  .header__top .nav > ul > li > a{
      position: relative;
      height: 100%;
      margin-right: 30px;
  }
 
  .header__top .nav > ul > li > a:after{
    width:  0;
    transition: all 0.6s ease-in-out;
    content: ""; 
    display: block;
    clear: both; 
    height: 2px;  
    position: absolute;
    bottom: 0;
    left:0;
    background-color: var(--color-text-dark);
}
.header__top .nav > ul > li:hover > a:after,
.header__top .nav > ul > li.active > a:after{   
    width: 100%;    
}

  .logo{
      width: 160px;
      height: 90px;
      background-image: url(../img/logo11.png);
      background-repeat: no-repeat;
      background-size: contain;
      cursor: pointer;
      margin: 0;
  }

.kuberit{
    display: grid;
    grid-template-columns: 50% 50%;
    height: 800px;
    background-color: var(--color-hero-bg);
    color: #fff;
}

.kuberit__title{
    display: flex;
    flex-direction: column;
    justify-content: center;
}


.kuberit p,
.p__about{
    font-size: 1.4em;
    text-align: center;
    width: 70%;
    margin-left: auto;
    margin-right: auto;
}

.kuberit__bg{
    background-image: url(../img/logo41.JPG);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.main__content{
    position: relative;
    margin-top: -100px; 
    padding-bottom: 450px;   
}
.content__item{
    background-color: #fff;
    margin-bottom: 50px;
    box-shadow: 10px 10px 20px rgb(0 70 204 / 15%);
}
.content__item h2{
    font-size: 2.5em;
    text-align: left;
    padding: 40px 70px;
    color: var(--color-brand);
}
.content__item ul li{
    font-size: 1.4em;
    list-style: none;
    position: relative;
    margin-left: 70px;
    margin-bottom: 15px;
}
.content__item ul li:before{
    content: '';
    position: absolute;
    top: 9px;
    left: -25px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-brand);
}

.item__list{
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    justify-items: center;
    margin-bottom: 20px;
    padding-bottom: 50px;
    background-color: #fff;
}
.ico{
    background-repeat: no-repeat;
    background-size: contain;
    display: block;
}

.ico__item1,
.ico__item2,
.ico__item3,
.ico__item4{
    width: 450px;
    height: 415px;
}

.ico__item1{
    background-image: url(../img/laptop7.png);
}
.ico__item2{
    background-image: url(../img/laptop4.png);
}
.ico__item3{
    background-image: url(../img/data.png);
}
.ico__item4{
    background-image: url(../img/comp3.png);
}

.connect{
    padding-top: 50px;
}

.connect h3{
    font-size: 1.8em;
    text-align: center;
    color: var(--color-brand);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.btn{
    margin: 0 auto;
    padding: 24px 110px;
    display: block;
    text-transform: uppercase;
    background-color: var(--color-brand);
    border-radius: 100px;
    box-shadow: 0 4px 20px rgb(11 51 247 / 25%);
    border: none;
    color: #fff;
    margin-bottom: 50px;
    cursor: pointer;
}
.team{
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 50px;
}
.team__description{
    font-size: 1.3em;
    padding-bottom: 70px;
    padding-top: 100px;
    
}
.team__description p{
    padding-bottom: 25px;
}
.team__pic{
    background-image: url(../img/map.png);
    background-repeat: no-repeat;
    background-position: top;
    background-size: contain;
    margin-left: -100px;
}
.about__company,
.contacts{
    color: var(--color-brand);
    padding-bottom: 45px;
}

.about__company p{
    padding-bottom: 50px;
}
.company__description{
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding-top: 80px;
    padding-bottom: 50px;
}
.desc{
    font-size: 1.4em;
}
.ico__company{
    background-image: url(../img/laptop6.png);
    width: 580px;
}

.factors{
    padding-bottom: 120px;
}
.factors h2,
.competence h2{
    text-transform: uppercase;
    margin-bottom: 45px;
    color: var(--color-brand);
}
.factors__list,
.competence__list{
    columns: 2;
}
.competence__list{
    margin-bottom: 60px;
}
.factors__item,
.competence__item{
    margin-bottom: 30px;
    font-size: 18px;
    position: relative;
    padding-left: 80px;
}
.factors__item::before{
    content: '';
    position: absolute;
    top: -5px;
    left: -3px;
    width: 60px;
    height: 42px;
    background-image: url(../img/logo9.png);
    background-repeat: no-repeat;
    background-size: contain;
    background-color: rgb(255 255 255 / 41%);
    background-blend-mode: exclusion;
}
.competence__item::before{
    content: '';
    position: absolute;
    top: 0px;
    left: 25px;
    z-index: -1;
    background-repeat: no-repeat;
    background-size: contain;
    background-color: rgb(255 255 255 / 41%);
    background-blend-mode: overlay;
    width: 47px;
    height: 55px;
    background-image: url(../img/logo12.png);
}

.competence{
    padding-bottom: 45px;   
}

.contacts{
    padding-bottom: 30px;
}
.contact__city{
    font-size: 3em;
    color: var(--color-brand);
}
.contact__info{
    padding-bottom: 40px;
}
.contact__address{
    border-top: 1px solid #002c7f;
}
.contact__address-wrapper{
    padding: 50px 0;
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    align-items: center;
}
.address{
    font-weight: bold;
    text-decoration-line: underline;
    font-size: 1.2em;
}
.map{
    width: 100%;
    margin: 0 auto;
}
.map iframe{
    width: 100%;
}

footer{
    position: relative;
}
.footer__top{
    background-color: #1e1953;
}

.footer__top-content{
    display: grid;
    grid-template-columns: 1fr 2fr;
    align-items: center;
}
.footer__top-content ul{
    display: flex;
    justify-content: flex-end;
}

.footer__nav a{
    color: #fff;
    font-size: 1.2em;
    margin-right: 50px;
}
.logo__footer-top{
    background-image: url(../img/logo9.png);
    width: 240px;
    height: 150px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    margin: 0;
}
.footer__bottom{
    height: 100px;
    background-color: #000;
}
.footer__bot-content{
    height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo__footer-bot{
    background-image: url(../img/logo10.png);
    height: 55px;
    width: 250px;
    background-repeat: no-repeat;
    background-size: contain;
    margin: 0;
}
.copy{
    color: white;
    font-size: 0.8em;
}
.copy span{
    padding-left: 40px;
    padding-right: 40px;
}

@media (max-width: 1200px) {
    .content__item h2 {
        font-size: 2em;
        padding: 32px 40px;
    }

    .content__item ul li {
        margin-left: 50px;
        font-size: 1.2em;
    }

    .ico__item1,
    .ico__item2,
    .ico__item3,
    .ico__item4 {
        width: 360px;
        height: 320px;
    }

    .ico__company {
        width: 100%;
        max-width: 480px;
    }
}

@media (max-width: 992px) {
    .header {
        position: static;
    }

    h1 {
        font-size: 2.6em;
        padding-bottom: 30px;
    }

    .header__top {
        height: 76px;
        font-size: 1em;
    }

    .logo {
        width: 130px;
        height: 70px;
    }

    .header__top .nav ul {
        width: auto;
    }

    .kuberit {
        grid-template-columns: 1fr;
        height: auto;
        min-height: 640px;
    }

    .kuberit__title {
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .kuberit p,
    .p__about {
        width: 85%;
        font-size: 1.2em;
    }

    .main__content {
        margin-top: 0;
        padding-bottom: 120px;
    }

    .item__list,
    .team,
    .company__description,
    .contact__address-wrapper,
    .footer__top-content {
        grid-template-columns: 1fr;
    }

    .team {
        padding: 30px;
        row-gap: 20px;
    }

    .team__description {
        padding-top: 0;
        padding-bottom: 30px;
    }

    .team__pic {
        margin-left: 0;
        min-height: 260px;
        background-position: center;
    }

    .content__item h2 {
        font-size: 1.8em;
        padding: 24px 28px;
    }

    .item__list {
        row-gap: 20px;
        padding: 0 16px 30px;
    }

    .item__list ul {
        width: 100%;
    }

    .content__item ul li {
        margin-left: 38px;
        font-size: 1.05em;
    }

    .ico__item1,
    .ico__item2,
    .ico__item3,
    .ico__item4,
    .ico__company {
        width: 100%;
        max-width: 420px;
        height: 280px;
        margin: 0 auto;
    }

    .factors__list,
    .competence__list {
        columns: 1;
    }

    .contact__address-wrapper {
        row-gap: 15px;
        text-align: left;
    }

    .footer__top-content ul {
        justify-content: flex-start;
        padding-bottom: 20px;
        gap: 0 20px;
        flex-wrap: wrap;
    }

    .footer__bot-content {
        height: auto;
        padding: 20px 0;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .copy span {
        display: block;
        padding: 0;
    }
}

@media (max-width: 576px) {
    .container {
        width: 92%;
    }

    h1 {
        font-size: 2.1em;
    }

    .header__top {
        height: auto;
        padding: 10px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .header__top .nav {
        height: auto;
    }

    .header__top .nav ul {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 10px 18px;
        margin-left: 0;
    }

    .header__top .nav > ul > li > a {
        margin-right: 0;
    }

    .kuberit__title {
        padding-top: 24px;
        padding-bottom: 24px;
    }

    .kuberit {
        min-height: 0;
    }

    .kuberit p,
    .p__about {
        width: 92%;
        font-size: 1em;
    }

    .content__item h2 {
        font-size: 1.4em;
        padding: 18px;
        line-height: 1.3;
    }

    .content__item ul li {
        margin-left: 26px;
        font-size: 1em;
    }

    .factors__item,
    .competence__item {
        padding-left: 58px;
        font-size: 16px;
    }

    .factors__item::before {
        width: 42px;
        height: 32px;
    }

    .competence__item::before {
        left: 10px;
        width: 37px;
        height: 43px;
    }

    .contact__city {
        font-size: 2em;
    }

    .contact__address-wrapper {
        padding: 24px 0;
    }

    .btn {
        width: 100%;
        max-width: 360px;
        padding: 16px 20px;
    }

    .footer__nav a {
        font-size: 1em;
        margin-right: 0;
    }

    .logo__footer-top {
        width: 180px;
        height: 110px;
    }
}