@font-face {
    font-family: 'Roboto Slab';
    src: url('../fonts/RobotoSlab-ExtraBold.eot');
    src: url('../fonts/RobotoSlab-ExtraBold.eot?#iefix') format('embedded-opentype'),
        url('../fonts/RobotoSlab-ExtraBold.woff2') format('woff2'),
        url('../fonts/RobotoSlab-ExtraBold.woff') format('woff'),
        url('../fonts/RobotoSlab-ExtraBold.ttf') format('truetype'),
        url('../fonts/RobotoSlab-ExtraBold.svg#RobotoSlab-ExtraBold') format('svg');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Roboto Slab';
    src: url('../fonts/RobotoSlab-ExtraBold.eot');
    src: url('../fonts/RobotoSlab-ExtraBold.eot?#iefix') format('embedded-opentype'),
        url('../fonts/RobotoSlab-ExtraBold.woff2') format('woff2'),
        url('../fonts/RobotoSlab-ExtraBold.woff') format('woff'),
        url('../fonts/RobotoSlab-ExtraBold.ttf') format('truetype'),
        url('../fonts/RobotoSlab-ExtraBold.svg#RobotoSlab-Bold') format('svg');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

* {
    padding: 0;
    margin: 0;
}

html {
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    font-size: 1px;
}

body {
    font-size: 14rem;
}

sup {
    font-size: 0.6em;
}

.wrapper {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
}

.flex-sb {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

main *{
    flex-grow: 1;
}
header {
    background-color: #fff;
}

.header-line {
    /* margin-left: -1px; */
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    background-color: #1f1f56;
    padding: 15px 0;
    z-index: 2;
}

.header-nav {
    /* width: 40%; */
}

.header-menu {
    list-style: none;
}

.header-main {
    padding: 88px 0 35px 0;
}
.main-content{
    align-items: flex-start;
}
.hide{
    display: none;
}

.header-line-content,
.header-main-content {
    align-items: center;
}

.header-main-content{
    position: relative;
    align-items: center;
    
}
.header-main-content::before{
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1px;
    height: 51px;
    background-color: #e4e4ec;
    transform: translate(-50%, -50%);
}

.header-menu__link {
    color: #b1b1d2;
    text-decoration: none;
    transition: .3s;
}

.header-menu__link:hover {
    color: #fd8300;
    text-decoration: underline;
}

.messangers {
    list-style: none;
    align-items: center;
    width: 8%;
}

.messangers__fb {
    display: inline-block;
    background-image: url(../img/spryte.hata.png);
    background-position: 0 0;
    width: 11px;
    height: 19px;
    transition: .1s;
}

.messangers__fb:hover {
    background-position: 0 22px;
}

.messangers__twt {
    display: inline-block;
    background-image: url(../img/spryte.hata.png);
    background-position: -12px 2px;
    width: 17px;
    height: 19px;
    transition: .1s;
}

.messangers__twt:hover {
    background-position: -12px 24px;
}

.messangers__insta {
    display: inline-block;
    background-image: url(../img/spryte.hata.png);
    background-position: -30px 0;
    width: 20px;
    height: 20px;
    transition: .1s;
}

.messangers__insta:hover {
    background-position: -30px 22px;
}

.phone-number {
    display: inline-block;
    max-width: 220px;
    justify-content: start;
    flex-direction: column;
}

.phone-number__link--icon {
    display: inline-block;
    margin-bottom: 2px;
    position: relative;
    padding-left: 25px;
}

.phone-number__link--icon::before {
    content: "";
    background-image: url(../img/spryte.hata.png);
    background-position: -50px 0;
    width: 16px;
    height: 17px;
    top: 3px;
    left: 0;
    position: absolute;
}

.phone-number__link {
    display: inline-block;
    padding-left: 25px;
}

.phone-number__link--icon,
.phone-number__link {
    font-size: 18rem;
    line-height: 24rem;
    color: #25252c;
    font-weight: bold;
    text-decoration: none;
}

.phone-number__link--icon:hover,
.phone-number__link:hover {
    color: #fd8300;
}

.contacts {

    justify-content: start;
    flex-direction: column;
    /* margin-right: 25px; */
}
/* .contacts a{
    display: inline-block;
} */

.contacts__skype{
    /* display: inline-block; */
    text-decoration: none;
}

.contacts__skype:hover{
    text-decoration: underline;
}

.contacts__skype,
.contacts__email {
    display: inline-block;
    flex-grow: 0;
    font-size: 16rem;
    color: #25252c;
    position: relative;
    padding-left: 25px;
}

.contacts__email:hover {
    text-decoration: none;
    color: #fd8300;
}

.contacts__skype::before {
    content: "";
    background-image: url(../img/spryte.hata.png);
    background-position: -87px 0;
    width: 25px;
    height: 25px;
    left: 0;
    top: 2px;
    position: absolute;
}

.contacts__email {
    margin-bottom: 7px;
    padding-left: 25px;
}

.contacts__email::before {
    content: "";
    background-image: url(../img/spryte.hata.png);
    background-position: -68px 0;
    width: 19px;
    height: 20px;
    left: 0;
    top: 3px;
    position: absolute;
}

.header-main__button {
    display: inline-block;
    align-items: center;
    text-align: center;
    text-decoration: none;
    padding: 16px 30px;
    color: #000;
    border-radius: 35px;
    font-weight: bold;
    border: 2px solid #fd8300;
    background-image: linear-gradient(90deg,white 50%,#fd8300  50%);
    background-size: 200%;
    transition: .3s;
}

.header-main__button:hover {
    background-position: -100% 0;
    
    color: #fff;
}

.vertical-line__line {
    width: 60px;
    border-top: 1px solid #e4e4ec;
    transform: rotate(90deg);
}

.spec-aplication {
    background: #000 url(../img/prop_image.png);
    background-size: cover;
    padding: 50px 0px 40px;
    margin-bottom: 30px;
}

.spec-aplication-content {
    text-align: center;
    color: #fff;
}

.spec-aplication__heading {
    font-size: 30rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-weight: 700;
    font-family: "Roboto Slab";
}

.spec-aplication__text {
    margin-bottom: 15px;
}

.section-price {
    display: flex;
    justify-content: center;
    align-items: baseline;
}

.section-price__numbers {
    font-size: 40rem;
    color: #fd8300;
}

.section-price__index {
    font-size: 24rem;
    color: #fd8300;
    font-weight: bold;
    margin-left: 15px;
}

main {
    margin-bottom: 30px;
}

.main {
    width: 75%;
}

.main-info {
    margin-bottom: 30px;
}

.main-info__heading {
    font-size: 30rem;
    margin-bottom: 20px;
    color: #24242b;
    font-weight: 700;
    font-family: "Roboto Slab"
}

.main-text__text {
    color: #666;
    margin-bottom: 20px;
    line-height: 24rem;
}

.main-info__link {
    padding: 3px 7px 3px 0;
    color: #fd8300;
    font-weight: bold;
    background-image: linear-gradient(90deg,white 50%, #fd8300 50%);
    background-size: 200%;
    text-decoration: none;
    border-radius:0 15px 15px 0;
    transition: 0.3s ease-in-out;
}

.main-info__link:hover {
    background-position: -100% 0;
    color: #fff;
    text-decoration: underline;
}

.main-line {
    border: none;
    border-top: 1px solid #e4e4ec;
    margin-bottom: 30px;
}

.popular-projects__heading {
    font-size: 24rem;
    margin-bottom: 30px;
    font-weight: 700;
    font-family: "Roboto Slab";
}
.cards{
    flex-wrap: wrap;
    align-items: center;
}
.card {
    width: 30%;
    min-width: 200px;
    flex-basis: 230px;
    position: relative;
}

.card-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}



.card__img {
    width: 100%;
    margin-bottom: 10px;
}

.card-info__link {
    color: #1f1f56;
    text-decoration: none;
    
}

.card-info__name{
    text-transform: uppercase;
}

.card:hover .card-info__link {
    text-decoration: underline;
}

.card-characteristics {
    list-style: none;
    padding-top: 10px;
}

.card-characteristics__item {
    font-size: 13rem;
    line-height: 18px;
    color: #9999a6;
}


.aside-heading {
    font-size: 16rem;
    color: #fff;
    font-weight: 700;
    font-family: "Roboto Slab";
    padding: 15px 40px 15px 15px;
    background-color: #1f1f56;
    border-radius: 3px 3px 0 0;
}


footer {
    background-color: #ededf5;
}

.footer-content {
    gap: 20px;
    padding: 30px 0 30px;
}

.footer-menu {
    list-style: none;
}

.footer-menu__link {
    font-size: 14rem;
    line-height: 26rem;
    color: #666;
    text-decoration: none;
    transition: .3s
}

.footer-menu__link:hover {
    color: #fd8300;
    text-decoration: underline;
}

.footer-line {
    background-color: #dcdce6;
    padding: 15px 0;
}


.footer-line__copy {
    font-size: 13rem;
    color: #9999a6;
    text-align: center;
}

.aside-menu {
    position: sticky;
    top: 65px;
}

.aside-menu-title__heading {
    padding: 15px 60px 15px 15px;
    background-color: #e4e4ec;
    border-top: 1px solid #cdcddd;
    position: relative;
}

.aside-menu-title__heading::after {
    content: url(../img/arrow-spysok.png);
    width: 16px;
    height: 16px;
    right: 15px;
    position: absolute;
}

.aside-menu-title-line:hover>.aside-menu-title__heading {
    background-color: #fd8300;
    color: #fff;
    border-radius: 0px;
}

.aside-menu-title-line:hover>.aside-menu-title__heading::after {
    top: 20px;
    right: 17px;
    transform: rotate(90deg);
    filter: brightness(100);
}

.aside-menu-inside {
    display: none;
    list-style: none;
}

.aside-menu-title-line {
    list-style: none;
}

.aside-menu-title-line:hover>.aside-menu-inside {
    display: block;
}

.aside-menu-inside__item {
    background-color: #e4e4ec;
    color: #666;
}

.aside-menu-inside__link{
    display: inline-block;
    color: #666;
    text-decoration: none;
    padding: 15px 40px 15px 30px;
}

.aside-menu-inside__item:hover {
    background-color: #cecedd;
}

.brdn {
    border: none;
}

.brdr {
    border-radius: 0px 0px 3px 3px;
}
.card{
    flex-grow: 1;
}

.burger>.burger_list{
    display: none;
}
.burger{
    position: relative;
    width: 30px;
    height: 3px;
    /* padding: 25px 0px; */
    border-radius: 20px;
    background-color: #fff;
    
    
}
.click{
    appearance: none;
    position: absolute;
    width: 40px;
    height: 40px;
    top: -18px;
    left: -5px;
    cursor: pointer;
    filter: opacity(0);
    z-index: 1;
}
.burger::before{
    content: "";
    position: absolute;
    background-color: #fff;
    border-radius: 20px;
    width: 30px;
    height: 3px;
    bottom: 10px;
}
.burger::after{
    content: "";
    position: absolute;
    width: 30px;
    height: 3px;
    background-color: #fff;
    border-radius: 20px;
    top: 10px;
}

.burger_list.add{
    display: block;
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100vw;
    height: 100vh;
    background-color: rgba(31, 31, 86, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    z-index: 1;
}
.burger_list{
    padding-top: 15px;
    padding-left: 20px;
    position: relative;
}
.burger_list li{
    margin-bottom: 30px;
}

.close{
    position: relative;
    width: 30px;
    height: 30px;
    margin-bottom: 30px;
    cursor: pointer;
}
.close::after{
    content: "";
    position: absolute;
    width: 30px;
    height: 3px;
    background-color: #fff;
    border-radius: 20px;
    top: 10px;
    transform: rotate(45deg);
}
  
.close:before{
    content: "";
    position: absolute;
    width: 30px;
    height: 3px;
    background-color: #fff;
    border-radius: 20px;
    top: 10px;
    /* left: 3px; */
    transform: rotate(-45deg);
}

@media screen and (min-width: 320px){
    html{
        /* font-size: 0.9px; */
    }
    
    .wrapper{
        width: auto;
        padding-left: 20px;
        padding-right: 20px;
    }
    .flex-sb:not(.header-main-content, .header-line-content, .header-nav, .header-menu, .messangers){
        /* justify-content: center; */
        /* width: 100%; */
    }
    .header-line{
        /* padding: 15px 25px; */
    }
    .header-main-content{
        gap: 20px;
    }
    .header-main-content::before{
        /* transform: rotate(90deg); */
        display: none;
    }
    .header-menu{
        display: none;
    }
    .messangers{
        width: 40%;
        gap: 20px;
    }
    
    h1{
        font-size: 20rem;
    }
    .main-content{
        gap: 20px;
    }
    /* div{
        flex-grow: 1;
    } */
    .cards{
        gap: 20px;
    }
    
    .header-main__button{
        flex-grow: 1;
    }
    .aside-menu{
        flex-grow: 1;
    }
    .footer-content{
        flex-grow: 1;
    }
}
@media screen and (max-width: 445px) and (min-width: 435px){
    .header-main-content{
       flex-direction: column;
       gap: 30px;
    }
    .header-main__button{
        flex-grow: 1;
    }
}

@media screen and (min-width: 768px) {
    .messangers{
        width: 20%;
        gap: 0;
    }
    
    
}
@media screen and (max-width: 768px){
    .header-main__button{
        max-width: 85%;
    }
    
}
@media screen and (max-width: 768px) and (min-width: 707px){
    .header-main-content{
        justify-content: center;
        /* gap: 50px; */
    }
}

@media screen and (min-width: 1023px){
    .burger{
        display: none;
    }
}
@media screen and (min-width: 1024px){
    .header-menu{
        display: flex;
        width: 100%;
        gap: 25px;
    }
    
}
@media screen and (max-width: 1000px) and (min-width: 800px){
    .header-main-content{
        justify-content: center;
    }
    .header-main__button{
        max-width: 600px;
    }
}
@media screen and (min-width: 965px) {
    .header-main-content::before{
        display: block;

    }
    .messangers{
        width: 8%;
        gap: 0;
    }
    .header-main__button{
        flex-grow: 0;
    }
    .header-main__button{
        flex-grow: 0;
    }
}