@font-face {
    font-family: 'Lato';
    src: url('../webfonts/Lato-Regular.ttf') format('truetype');
    src: url('../webfonts/Lato-Bold.ttf') format('truetype');
}

html {
    scroll-behavior: smooth;
}

html * {
    font-family: 'Lato', sans-serif;
}

@media (max-width: 767px) {
    .link-row-btn-texts {
        display: none;
    }

    #links-row .btn {
        margin: 0px !important;
    }
}

@media (min-width: 768px) {

    #navbar-language, .navbar-brand {
        width: 285px;
    }

    .nav-link {
        padding: 0px min(40px, 2vw) !important;
        border-right: 1px solid rgba(255,255,255,.5);
    }
    
    .nav-item:first-child .nav-link {
        border-left: 1px solid rgba(255,255,255,.5);
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    #navbar-language, .navbar-brand {
        width: 135px;
    }

    #language-select-text {
        display: none;
    }
}

.bg-dark {
    background-color: #000 !important;
}

.navbar-toggler:focus {
    outline: none !important;
    box-shadow: none !important;
}

#navbar-collapse-icon {
    font-size: 25px;
}

#about-section {
    text-align: center;
}

#cover-gradient {
    background: linear-gradient(to bottom, transparent 0%, #000 75%, #000 100%);
    padding: 120px 20px;
}

#cover-image {
    background-image: url("../assets/cover-image.jpg");
    background-repeat: no-repeat;
    background-position: center bottom;
    background-size: cover;
}

#about-name {
    font-size: calc(25px + 6vw);
    margin-bottom: 100px;
}

#about-profession {
    font-size: calc(18px + 2vw);
}

#about-curriculum {
    margin: 60px 0px;
}

#about-text {
    max-width: 800px;
    font-size: calc(12px + 0.5vw);
    margin-bottom: 90px;
}

#about-name, #about-text, #about-profession {
    color: white;
}

#links-row .btn {
    margin: 0px 10px;
}

#projects-section {
    text-align: center;
    padding: 170px 20px 0px 20px;
}

.project-holder {
    margin-bottom: 170px;
}

.project-image {
    width: 80%;
    height: 200px;
    line-height: 200px;
    border: 2px solid black;
    margin: 0 auto;
    box-shadow: 0px 0px 6px 1px #777;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    transition: 0.1s filter ease-in-out, 0.1s -webkit-filter ease-in-out;
    position: relative;
}

.col-6:nth-child(1) > .project-holder > .project-image {
    background-image: url("../assets/genetic_algorithm.png");
}

.col-6:nth-child(2) > .project-holder > .project-image {
    background-color: lightgrey;
}

.col-6:nth-child(3) > .project-holder > .project-image {
    background-color: lightgrey;
}

.col-6:nth-child(4) > .project-holder > .project-image {
    background-color: lightgrey;
}

.project-image-filter {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(49, 49, 49, 0.4);
    transition: opacity 0.1s ease-in-out;
    opacity: 0;
}

.project-image:hover > .project-image-filter {
    opacity: 1;
}

.project-image > .btn {
    opacity: 0;
    transition: opacity 0.1s ease-in-out;
    position: relative;
    z-index: 10;
}

.project-image:hover > .btn {
    opacity: 1;
}

.project-name {
    font-size: 22px;
    font-weight: bold;
}