:root {
    --black: #1e2020;
    --gray: #282929;
    --gold: #d2a90b;
    --mont: 'Montserrat';
    --product: "Product-sans";
}

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

html,
body {
    scroll-behavior: smooth;
}

.header {
    background: url(../images/header_img_bg.jpg) center/cover no-repeat;
    min-height: 100vh;
}

.header__nav {
    background: var(--black);
    padding-top: 23px;
    padding-bottom: 23px;
}
.logo{
    text-transform: uppercase;
    color: white;
    font-family: var(--product);
    font-size: 26px;
    text-decoration: none;
    height: 34px;
    width: 168px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-image: 1 linear-gradient(133deg,white,var(--gold));
}
.logo_gold{
    color: var(--gold);
}
.logo:hover{
    text-decoration: none;
    color: white;
}
.header__link{
    font-family: var(--product);
    color: white;
    font-size: 20px;
    text-decoration: none;
    text-transform: uppercase;
    margin-left: 70px;
    transition: 0.5 s;
}
.header__link:hover{
    text-decoration: none;
    color: var(--gold);
}
.header__title{
    color: white;
    font-size: 60px;
    font-family: var(--product);
    text-transform: uppercase;
    margin-bottom: 50px;
}
.header__text{
    font-family: var(--product);
    font-size: 22px;
    line-height: 27px;
    text-align: justify;
    color: white;
} 
.history{
    padding-top: 60px;
    background: var(--gray);
}
.section__title{
    width: max-content;
    margin: auto;
    margin-bottom: 30px;
    font-family: var(--product);
    color: var(--gold);
    font-size: 28px;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
}
.section__title::before{
    content: ' ';
    height: 2px;
    width: 53px;
    background: white;
    display: inline-block;
    margin-left: auto;
    margin-bottom: 9px;
}
.section__title::after{
    content: ' ';
    height: 2px;
    width: 53px;
    background: white;
    display: inline-block;
    margin-top: 9px;
}
.history__text{
    color: white;
    text-align: justify;
    font-family: var(--mont);
    font-size: 18px;
    margin-top: 30px;
    line-height: 24px;
}
.work__slider-prev{
    display: flex;
    align-items: center;
    color: var(--gold);
    font-size: 50px;
    text-decoration: none;
}
.work__slider-prev:hover{
    color: var(--gold);
    text-decoration: none;
}
.work__slider-prev i::after,
.work__slider-next i::after{
    color: white;
}
.work__slider-next{
    display: flex;
    align-items: center;
    color: var(--gold);
    font-size: 50px;
    text-decoration: none;
    justify-content: flex-end;
}
.work__slider-next:hover{
    color: var(--gold);
    text-decoration: none;
}
.work__slider-title{
    font-family: var(--product);
    color: var(--gold);
    text-transform: uppercase;
    font-size: 24px;
    margin-bottom: 20px;
}
.work__slider-white{
    color: white;
}
.work__slider-text{
    color: white;
    font-family: var(--mont);
    font-size: 18px;
    line-height: 24px;
    text-align: justify;
}
.works{
    padding-top: 60px;
    background: var(--gray);
}
.works__text{
    font-family: var(--mont);
    color: white;
    font-size: 18px;
}
.works__link{
    height: 38px;
    display: flex;
    align-items: center;
    font-family: var(--mont);
    color: var(--black);
    text-transform: uppercase;
    text-decoration: none;
    background: white;
    padding: 0 30px;
    border-radius: 19px;
    margin-bottom: 20px;
}
.works__link.active{
    background: black;
    color: white;
}
.works__right{
    background: var(--black);
    padding: 20px 30px;
    height: 100%;
    display: flex;
    flex-direction: column;
    border-radius: 20px;
}
.works__right-title{
    font-size: 24px;
    font-family: var(--product);
    color: var(--gold);
    margin-bottom: 2px; text-align: justify;
}
.works__right-text{
    font-family: var(--mont);
    line-height: 24px;
    color: white;
    flex-grow: 1;
}
.works__right-link{
    height: 44px;
    width: 169px;
    border-radius: 22px;
    color: white;
    background: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
}
.works__right-link:hover{
    text-decoration: none;
    color: white;
}
.abilities{
    padding-top: 60px;
    background: var(--gray);
}
.card-header{
    padding: 0;

}
.abilities__button{
    display: block;
    padding: 20px 15px;
    background: var(--gold);
    color: var(--gray);
    font-family: var(--mont);
    font-size: 20px;
    bottom: none;
    width: 100%;
    text-align-last: left;
    font-weight: bold;
    text-transform: uppercase;
    border-radius: 0;

}
.abilities__button.collapsed{
    color: white;
    background: #000;
}
.card{
    border-radius: 0;
    border: none;
}
.card-body{
    padding: 16px 19px;
    background: var(--black);
    text-align: justify;
    color: white;
    font-family: var(--mont);   
    font-size: 18px;
    line-height: 24px;
    border: 1px solid var(--gold);
}
.abilities__text {
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.footer{
    padding-top: 20px;
    padding-bottom: 20px;
    background:var(--black);
}
.footer__list{
    margin-top: 45px;
    margin-bottom: 50px;
}
.footer__link{
    color: white;
    text-transform: uppercase;
    margin: 0 25px;
    font-family: var(--product);
    font-size: 20px;
}
.footer__link:hover{
    color: var(--gold);
    text-decoration: none;
}
.footer__contact-link{
    color: white;
    font-size: 20px;
    font-family: var(--product);
    margin: 0 15px;
}
.footer__contact-link:hover{
    text-decoration: none;
    color: white;
}