.header {
    background: linear-gradient( 180deg, #0C0D12 0%, #1A1C26 100%);
}

.header__wrapper {
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(180deg, #0C0D12 0%, #1A1C26 100%);
    color: #ffffff;
    transition: 300ms linear all;
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    padding-bottom: 15px;
}

.header__nav-item {
    position: relative;
    transition: 200ms linear all;
    font-weight: 600;
    margin-right: 48px;
}

.header__nav-item::before {
    content: '';
    width: calc(100% + 40px);
    border-radius: 0px 0px 8px 8px;
    height: 4px;
    background: #009BFF;
    position: absolute;
    left: -20px;
    top: -34px;
    transition: 200ms ease all;
    opacity: 0;
}

.header__nav-item:last-child {
    margin-right: 0;
}

.header__nav-item:hover, .header__nav-item--active {
    color: #009BFF;
}

.header__nav-item:hover::before, .header__nav-item--active::before {
    opacity: 1;
}

.hedaer__link {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 15px;
}

.hedaer__link:last-child {
    margin-right: 0;
}

.hedaer__link-icon path {
    transition: 200ms eae all;
}

.hedaer__link:hover .hedaer__link-icon path {
    fill: #009BFF;
}

.header__placeholder {
    height: 84px;
}

.hedaer__links--mobile {
    display: none;
}

.header__burger {
    display: none;
}

.header__burger-part {
    display: inline-block;
    transition: 200ms ease all;
    background: #FFFFFF;
    border-radius: 2px;
    width: 100%;
    height: 2px;
    margin-bottom: 5px;
    position: relative;
    transition: 200ms ease all;
}

.header--opened .header__burger-part:first-child {
    transform: rotate( 45deg);
    top: 8px;
}

.header--opened .header__burger-part:nth-child(2) {
    opacity: 0;
}

.header--opened .header__burger-part:last-child {
    transform: rotate( -45deg);
    bottom: 6px;
}

.header--hidden .header__wrapper {
    top: -100px;
}

.header--opened .header__nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    padding: 20px 15px 25px;
    width: 100%;
    left: 0;
    top: 70px;
    z-index: 40;
    background: linear-gradient( 180deg, #0C0D12 0%, #1A1C26 100%);
}

@media screen and (max-width: 1199px) {
    .header__nav-item {
        margin-right: 25px;
    }
}

@media screen and (max-width: 989px) {
    .header__logo {
        height: 40px;
    }
    .header__placeholder {
        height: 70px;
    }
    .header__nav {
        display: none;
    }
    .header__nav-item::before {
        content: none;
    }
    .hedaer__links {
        display: none;
    }
    .header__nav-item {
        margin-right: 0;
        margin-bottom: 15px;
    }
    .header__burger {
        width: 24px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        margin-right: 20px;
    }
    .hedaer__links--mobile {
        display: flex;
    }
}