@import url('https://fonts.googleapis.com/css2?family=Kalam:wght@300;400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,300;0,400;0,700;0,900;1,300&display=swap');
*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

a{
    font-family: 'Kalam';
    text-decoration: none;
    color: whitesmoke;
}

h1, h2{
    font-family: 'Kalam';
}



body{
    background-image: url(../img/strona_glowna_tlo.jpg);
    background-repeat: no-repeat;
    background-position: 40%;
    background-size: cover;
    overflow: hidden;
    
}

nav{
    position: relative; 
}

.nav_container{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 16px 0 rgba(0, 0, 0, 0.5);
}

.header_wrapper{
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.menu_header{
    color: whitesmoke;
    font-size: 1.5em;
    letter-spacing: 0.05em;
    padding-left: 20px;
}

.nav_mobile_menu_icon_wrapper{
    display: flex;
    align-items: center;
    justify-content: flex-start;
    background-color: transparent;
    border: 0;
    margin: 0;
    padding: 0;
    padding-right: 20px;
    
}

.nav_mobile_css_style{
    color: white;
    font-size: 2.4em;
}



.nav_links_wrapper{
    position: absolute;
    top: 100%;
    width: 100%;
    height: calc(100vh - (59px + 208px));
    display: none;
    justify-content: space-around;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    /* box-shadow: 0 0 16px 0 rgba(0, 0, 0, 0.5); */
}

.menu_list{

    margin: 0;
    padding: 0;
}

.logo_wrapper{
    display: none;
}

.list_item{
    line-height: 2em;
    list-style: none;
    margin-bottom: 0.7em;
    
}

.list_item a{
    font-size: 1.25em;
    letter-spacing: 0.05em;
    font-weight: bold;
}

.list_item_text_container{
padding-top: 5px;
}

.list_item_icon_container{
    width: 2em;
    display: flex;
    align-items: center;
    border-right: 3px solid white;
    margin-right: 0.5em;
}

.css_style{
    color: white;
    font-size: 1.25em;
}

.list_item_link_container{
    display: flex;
    justify-content: flex-start;
}

.nav_logos_wrapper{
    display: flex;
    flex-direction: column;
    height: 100%;
    align-items: center;
    justify-content: space-evenly;
}


.nav_logo{
    display: flex;
    justify-content: center;
    margin: 0;
    width: 120px;
}



main{
    width: 100%;
    height: calc(100vh - (59px + 208px));
}

.sponsors{
    width: 100%;
    height: 13em;
    display: flex;
    flex-direction: column;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 16px 0 rgba(0, 0, 0, 0.5);
}

.sponsors_header_wrapper{
    display: flex;
    justify-content: center;
    padding: 10px;
}

.sponsors_header{
    letter-spacing: 0.05em;
    color: whitesmoke;
}

.sponsors_logos_wrapper{   
    position: relative;
    width: 95%;
    background-color: white;
    white-space: nowrap;
    overflow: hidden;
    margin: 0 auto;
}

.slider{
    display: inline-block;
    padding: 20px 0;
    animation: 15s slide infinite linear;    
}

.sponsors_logos_wrapper > .slider:hover{
    cursor: pointer;
}


.sponsors_logos_wrapper:before, .sponsors_logos_wrapper:after{
    position: absolute;
    content: "";
    width: 10%;
    height: 100%;
    top: 0;
    z-index: 1000;
}

.sponsors_logos_wrapper:before{
    left: 0;
    background: linear-gradient( to left, rgba(0,0,0,0), rgba(0,0,0,0.9));        
}
.sponsors_logos_wrapper:after{
    right: 0;
    background: linear-gradient( to right, rgba(0,0,0,0), rgba(0,0,0,0.9)); 
}

.sponsor_link_logo{
    display: inline-block;
    margin: 0 25px;
}

.slider_picture{
    height: 50px;
}

/* Toggle class */

.display{
    display: flex;
}

.whiteBorderTop{
    border-top: 2px solid white;
}





@media (max-width: 374px){
    .list_item a{
        font-size: 1.2em;
    }

}