body{
    margin: 0;
}
.container {
    margin-left: auto;
    margin-right: auto;
    padding-left: 35px;
    padding-right: 35px;
    text-align: center;
}
header{
    background-image: url('img/bg-header.webp');
    background-size: cover;
    background-position: center center;
}
.header-line{
    display: flex;
    align-items: center;
    padding-bottom: 300px;
}
.header-line a{
    text-decoration: none;
    color: white;
    font-size: 15px;
    font-weight: 500;
}
.header-line a:hover{
    text-decoration: none;
    color: white;
    border-bottom: 4px solid rgb(108, 74, 187);
}
.logo{
    margin-right:100px;
}
.logo img{
    height: 40px;
}
.holder-item{
    display: flex;
    justify-content: space-between;
}
.nav{
    margin-right: 100px;
    font-size: 16px;
}
.header-menu{
    text-align: left;
    padding-bottom: 350px;
}
.header-menu2{
    text-align: left;
    padding-bottom: 350px;
}
.header-menu button{
    display: inline-block;
    width: 33%;
    padding: 15px 20px;
    border: 3px solid #fff;
    background: 0 0;
    border-radius: 50px;
    font-size: 30px;
    color: #fff;
    cursor: pointer;
    transition: .3s;
    background-color: #90b4ff4f;
    overflow: hidden;
    box-shadow: 0 0 10px #fff;
    text-decoration: none;
    
}
.about{
    display: flex;
    justify-content: space-between;
    margin: 60px 0;
}
.about-info{
    text-align: left;
    width: 30%;
}
.about-img{
    position: relative;
    width: 50%;
}
.about-img-1, .about-img-2,.about-img-3,.about-img-4,.about-img-5{
    height: 200px;
    position: absolute;
}
.about-img-1{
    top: 122px;
    right: 131px;
    z-index: 3;
}
.about-img-2{
    top: 263px;
    right: -23px;
}
.about-img-3{
    top: -24px;
    right: 326px;
    z-index: -1;
}
.about-img-4{
    top: 232px;
    right: 238px;
}
.about-img-5{
    top: 0px;
    right: 0px;
    z-index: 5;
}
.about-subtext, .about-iinfo{
    margin-top: 15px;
    color: rgba(0, 0, 0, 0.404);
}
.btn-dwl button{
    background-color: black;
    color:#fff;
    font-weight: bold;
    font-size: 20px;
    border-left: 7px solid rgb(108, 74, 187);
    cursor:pointer;
}
.colvo{
    margin-top: 100px;
    display: flex;
    justify-content: space-between;
    align-items:center;
}
.colvo-left{
    text-align: left; 
    display: flex;
    justify-content: space-between;
}
.colvo-subtext{
    max-width: 300px;
    color: #000;
}
.colvo-text{
    margin-right: 150px;
    font-size: 24px;
    font-weight: 300;
    line-height: 1.4;
    text-transform: uppercase;
}
.colvo-number{
    font-size: 100px;
    line-height: 1;
}
.dost{
    margin-top: 40px;
}
.dost-text{
    font-size: 25px;

}
.dost-img-holder img{
    margin: 20px 10px;
}
.sist-treb{
    background-color: rgb(56, 56, 56);
    background-size:cover;
    color:white;
    width: 100%;
    background-repeat: no-repeat;
    padding: 30px 0;
}
.sist-text{
    margin: 30px 0;
}
.sist-holder{
    display: flex;
    justify-content:space-between;
}
.sist-text{
    font-size: 30px;
}
.sist-title{
    margin-block-start: 1.67em;
    margin-block-end: 1.67em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-size: 24px;
    font-weight: bold;
}
.sist-sub{
    font-size: 15px;
    line-height: 1.66667;
    font-weight: 300;
    letter-spacing: .01em;
}
footer{
    background-color: black;
    color: white;
    font-size: 23px;
    height: 60px;
}
footer a{
    color:rgba(255, 255, 255, 0.242);
}
footer button{
    background-color:rgba(0, 255, 255, 0.438);
    color:white;
    font-size: 25px;
    border: 3px solid white;
    border-radius: 12px;
    cursor: pointer;
}
.footer-info{
    display: flex;
    justify-content: space-between;
    align-items:center
}
.pod{
    color:rgba(255, 255, 255, 0.242);
}
@media(max-width: 980px){
    .colvo{
        display: block;
    }
    .about-img{
        display: none;
    }
    .about-info{
        width: 100%;
    }
    .holder-item{
        display: none;
    }
}
@media(max-width: 600px){
    .colvo-number{
        font-size: 50px;
    }
    .colvo-text{
        margin-right: 0;
    }
}
@media(max-width: 530px){
    .dost-img-holder img {
        margin: 20px 10px;
        height: 104px;
    }
    .sist-holder{
        display:block;
    }
    .header-menu button{
        font-size: 15px;
    }
}