/* russo-one-regular - latin_cyrillic */
@font-face {
    font-family: 'Russo One';
    font-style: normal;
    font-weight: 400;
    src: local(''),
    url('../fonts/russo-one-v14-latin_cyrillic-regular.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
    url('../fonts/russo-one-v14-latin_cyrillic-regular.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}

.container{
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    display: flex;
}

html{
    scroll-behavior: smooth;
}

body{
    background: linear-gradient(-45deg, #000000 30%, #49245b 50%, #000000 70%);
    background-size: 1200% auto;
    animation: gradient 30s ease infinite;
    animation-delay: 8s;
    height: 100vh;
}
@keyframes gradient {
    0% {
        background-position: 100% 50%;
    }
    50% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 100% 50%;
    }
}
a{
    text-decoration: none;
}
li{
    list-style: none;
}

.header {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.75);
    border-bottom: 1px solid #000000;
    position: fixed;
}

.header_navbar{
    font-family: 'Russo One';
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header_logo a{
    outline: none;
}

.header_logo a img{
    height: 50px;
    width: 100%;
}

.header_menu{

}

#checkbox_toggle{
    display: none;
}
.hamburger{
    display: none;
    font-size: 24px;
    cursor: pointer;
}
.hamburger_line{
    background-color: rgba(0, 0, 0, 0.75);
    display: block;
    height: 5px;
    position: relative;
    width: 30px;
}
.hamburger_line::before, .hamburger_line::after{
    background-color: rgba(0, 0, 0, 0.75);
    content: '';
    display: block;
    position: absolute;
    transition: all 0.5s;
    width: 100%;
    height: 100%;
}
.hamburger_line::before{
    top: 10px;
}
.hamburger_line::after{
    top: -10px;
}

.header_menu_links{
    display: flex;
}

.header_menu_links li{
    padding: 0 0 0 20px;
}

.header_menu_links a{
    font-size: 20px;
    color: rgba(0, 0, 0, 0.65);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.65);
    outline: none;
}

.header_menu_links a:hover{
    transition: all 0.5s;
    color: black;
}

.intro {

}

.intro_block_wrapper{
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    margin: 0 auto;
}

.intro_block{
    width: 100%;
    margin: auto;
}

.intro_logo{
    opacity: 0;
    /*transition: 1s;*/
    animation: show_logo 5s 1;
    animation-fill-mode: forwards;
    /* animation-delay: 1s; */
}
@keyframes show_logo{
    0%{
        opacity:0;
    }
    100% {
        opacity:1;
    }
}

.intro_logo img{
    max-width: 80%;
    height: auto;
    display: block;
    margin: 0 auto;
    padding-right: 2%;
    filter: invert(100);
}

.intro_text{
    margin-top: 50px;
    text-align: center;
    font-size: 28px;
}

.about{
    height: 1000px;
    background-color: white;
}

.footer{
    font-family: 'Russo One';
}

.footer_row{
    width: 100%;
    height: 350px;
}

.footer_content{
    height: 90%;
    display: flex;
    align-items: center;
}

.footer_logo{
    width: 33.3%;
}
.footer_logo img{
    width: 80%;
    filter: invert(100);
}

.footer_contacts{
    width: 33.3%;
    text-align: center;
}

.footer_contacts p{
    padding: 10px;
}

.footer_contacts a{
    font-size: 20px;
    color: rgba(255, 255, 255, 0.65);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.footer_social{
    width: 33.3%;
}

.footer_social img{
    width: 60px;
    float: right;
}

.footer_down{
    height: 10%;
    text-align: center;
}

.footer_down p{
    font-size: 14px;
    color: rgba(255, 255, 255, 0.45);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}