.container {
    max-width: 1160px;
    margin: 0 auto;
}

/*.header {*/
/*    background: url("../img/background/section-1(header).jpg") fixed center no-repeat;*/
/*    background-size: cover;*/
/*    height: 1012px;*/
/*    margin-bottom: 8px;*/
/*}*/

.header_navbar {
    position: fixed;
    background: rgba(94, 93, 88, 0.6);
    width: 100%;
}

.header_navbar_add {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 27px 0;
}

.header_navbar_icon {
    display: flex;
    align-items: center;
}

.header_navbar_icon_letter {
    color: white;
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: 40px;
    background: #18CFAB;
    width: 58px;
    height: 67px;
    display: flex;
    justify-content: center;
    align-items: center;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    margin-right: 6px;

}

.header_navbar_icon_word {
    color: white;
    font-family: "Montserrat", sans-serif;
    font-weight: 400;
    font-size: 32px;
}

.header_navbar_icon_word_color {
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    color: #18CFAB;
}

.header_navbar_list {
    display: flex;
    align-items: center;

}

.header_navbar_list_item {
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: 16px;
    margin-right: 21px;
}


.header_navbar_list_item:last-child {
    margin: 0;
}

.header_navbar_list_item_link {
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    position: relative;
}

.header_navbar_list_item_link:before {
    content: "";
    position: absolute;
    height: 2px;
    background: #18CFAB;
    bottom: -51px;
    width: 0;
}

.header_navbar_list_item_link:hover:before {
    width: 100%;
    transition: .5s;
}

.header_navbar_list_item_link:hover {
    color: #18CFAB;
    transition: 1s;
}


.active-link {
    color: #18CFAB;
}

.main_background3 {
    background: url("../img/background/section-3.jpg") fixed center no-repeat;
    height: 100vh;
    background-size: cover;

}

.dark_block2 {
    background: rgba(0, 0, 0, 0.4);
    width: 100%;
    height: 100%;
}

.page-menu {
    padding-top: 321px;
}

.page-menu-item {
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: 36px;
}

.page-menu-item-link {
    color: white;
}

.page-menu-item-link:hover {
    color: #18CFAB;
}

.page-menu-item-list {
    margin: 25px 0 0 25px;
}

.page-menu-item-list-item {
    font-family: "Montserrat", sans-serif;
    font-weight: 500;
    font-size: 26px;
    padding: 10px;
}

.page-menu-item-list-item-link {
    color: white;
}

.page-menu-item-list-item-link:hover {
    color: #18CFAB;
}



@keyframes rotateLetter {
    0% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(180deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.header_navbar_icon_letter:hover {
    animation: rotateLetter 2s linear infinite;
}



@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.page-menu-item-link:hover {
    animation: fadeIn 1s ease;
}



@keyframes slideIn {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

.page-menu-item {
    animation: slideIn 1.5s ease forwards;
}



@keyframes scaleUp {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.page-menu-item-list-item:hover {
    animation: scaleUp 0.5s ease;
}