@font-face {
    font-family: "Jost";
    src: url("../fonts/jost-400-book-webfont.woff") format("woff"),
    url("../fonts/jost-400-book-webfont.woff2") format("woff2");
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: "Jost";
    src: url("../fonts/jost-300-lightitalic-webfont.woff") format("woff"),
    url("../fonts/jost-300-lightitalic-webfont.woff2") format("woff2");
    font-weight: normal;
    font-style: italic;
}

@font-face {
    font-family: "Jost";
    src: url("../fonts/jost-500-medium-webfont.woff") format("woff"),
    url("../fonts/jost-500-medium-webfont.woff2") format("woff2");
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: "Jost";
    src: url("../fonts/jost-500-mediumitalic-webfont.woff") format("woff"),
    url("../fonts/jost-500-mediumitalic-webfont.woff2") format("woff2");
    font-weight: 500;
    font-style: italic;
}

@font-face {
    font-family: "Jost";
    src: url("../fonts/jost-700-bold-webfont.woff") format("woff"),
    url("../fonts/jost-700-bold-webfont.woff2") format("woff2");
    font-weight: bold;
    font-style: normal;
}

@font-face {
    font-family: "Jost";
    src: url("../fonts/jost-700-bolditalic-webfont.woff") format("woff"),
    url("../fonts/jost-700-bolditalic-webfont.woff2") format("woff2");
    font-weight: bold;
    font-style: italic;
}

$mainColor: #000;
$lightColor: #444;
$accentColor: #0066ff;
$bgColor: #fff;

* {
    font-family: "Jost", sans-serif;
    a, a:hover, a:active, a:focus, a:visited {
        color: $accentColor;
    }
    ul {
        list-style: none;
    }
}

header {
    display: flex;
    width: 100vw;
    max-height: 10vh;
    justify-content: space-between;
    align-items: center;
    border-bottom: solid 1px $lightColor;
    #logo {
        width: 7.5vh;
        height: 7.5vh;
        padding: 1vh;
        img {
            width: 100%;
            transform: scale(1.2) translateY(0.8rem);
        }
    }
    #main-title {
        align-self: flex-end;
        h1 {
            font-size: 1.3rem;
            font-weight: normal;
            color: $mainColor;
            text-transform: uppercase;
        }
    }
    #hamburger {
        padding: 1.5rem 1rem;
        width: 7.5vh;
        height: 7.5vh;
        border-left: solid 1px $lightColor;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        cursor: pointer;
        outline: unset;
        div {
            outline: unset;
            border-bottom: solid 1px $mainColor;
            width: 100%;
            background-color: $mainColor;
            opacity: 1;
            transition: opacity 0.2s ease-out, transform 0.4s ease-out;
            transform: none;
        }
    }
    #hamburger.open {
        div:first-of-type {
            transform: translate(0rem, calc(7.5vh / 2 - 1.5rem)) rotate(-45deg);
        }
        div:nth-of-type(2) {
            opacity: 0;
        }
        div:last-of-type {
            transform: translate(0rem, calc((7.5vh / 2 - 1.5rem) * -1)) rotate(45deg);
        }
    }
}

nav {
    background-color: $accentColor;
    max-height: 0vh;
    height: auto;
    transition: max-height 0.8s ease-out;
    ul {
        padding: 1rem 0 1rem 7.5vh;
        margin: 0;
        li {
            a, a:hover, a:active, a:focus, a:visited  {
                padding-left: 0;
                transition: padding-left 0.3s ease-out;
                color: $bgColor;
                font-weight: bold;
                font-size: 1.2rem;
            }
        }
        li a:hover {
            padding-left: 1rem;
        }
    }
}
nav.open {
    max-height: 20vh;
}

#about {
    color: $accentColor;
    line-height: 1.4;
    border-bottom: solid 1px $mainColor;
    padding: 1rem 1.2rem 1rem 1.2rem;
    font-weight: 500;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, auto);
    justify-items: center;
    #about-hidden {
        overflow: hidden;
        height: auto;
        max-height: 0vh;
        transition: max-height 1s ease-out;
        font-weight: normal;
    }
    #about-hidden.open {
        max-height: 50vh;
    }
    #about-arrow {
        width: 7.5vh;
        height: 3.75vh;
        display: flex;
        justify-content: space-around;
        margin-top: 1rem;
        transform: rotate(0deg) scale(0.5);
        transition: transform 0.5s ease-out;
        cursor: pointer;
        outline: unset;
        div {
            outline: unset;
            width: 50%;
            border-bottom: solid 1px $mainColor;
        }
        div:first-of-type {
            transform: translateX(50%) translateY(-1rem) rotate(45deg);
        }
        div:last-of-type {
            transform: translateX(-50%) translateY(-1rem) rotate(-45deg);
        }
    }
    #about-arrow.open {
        transform: rotate(180deg) scale(0.5);
    }
}
main {
    display: grid;
    padding: 1.2rem;
    .article-card {
        cursor: pointer;
        width: 100%;
        margin: 2rem 0;
        .img-cover {
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            max-height: 40vh;
            position: relative;
            .eye {
                position: absolute;
                opacity: 0;
                background-color: rgba(255, 255, 255, 0.5);
                transition: opacity 0.3s ease-out;
                z-index: 1;
                width: 100%;
                height: 100%;
                display: flex;
                justify-content: center;
                align-items: center;
                .eye-picto {
                    width: 35%;
                    height: 100%;
                    -webkit-mask: url(../images/eye.svg) no-repeat center;
                    mask: url(../images/eye.svg) no-repeat center; 
                    mask-size: 100%;
                    -webkit-mask-size: 100%;
                    background-color: $accentColor;
                }
            }
            > img {
                z-index: 0;
                width: 100%;
                transform: scale(1);
                transition: transform 0.3s ease-out;
            }
        }
        .date {
            margin-top: 0.8rem;
            font-weight: 500;
            color: $accentColor;
        }
        h3 {
            font-weight: normal;
            font-size: 1rem;
            margin: 0;
        }
    }
    .article-card:hover {
        .img-cover {
            .eye {
                opacity: 1;
            }
            > img {
                transform: scale(1.1);
            }
        }
    }
}
article {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    background-color: rgba(255, 255, 255, 0.5);
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    #article-wrapper {
        border: solid 1px $mainColor;
        width: 95vw;
        max-height: 90vh;
        overflow-y: auto;
        background-color: $bgColor;
        padding-bottom: 1.5rem;
        .article-header {
            position: relative;
            width: 100%;
            height: 3rem;
            margin-top: 2rem;
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
            .article-siblings {
                width: 100%;
                padding: 0 7vw;
                display: flex;
                justify-content: space-between;
                a {
                    color: $mainColor;
                    display: flex;
                    align-items: center;
                    i {
                        font-size: 0.5rem;
                        padding: 0.3rem;
                    }
                }
            }
            .close-article {
                z-index: 11;
                display: block;
                padding-top: 0.75rem;
                width: 1.5rem;
                height: 1.5rem;
                position: absolute;
                right: 0.5rem;
                top: -1.5rem;
                cursor: pointer;
                div {
                    width: 100%;
                    border-bottom: solid 1px $mainColor;
                }
                div:first-of-type {
                    transform: rotate(45deg);
                }
                div:last-of-type {
                    transform: rotate(-45deg);
                }
            }
        }
        .swiper {
            max-height: 40vh;
            overflow: hidden;
            opacity: 0;
            transition: opacity 0.3s ease-out;
            .swiper-wrapper {
                .swiper-slide {
                    display: flex;
                    justify-content: center;
                    padding: 0 7vw;
                    img {
                        box-sizing: content-box;
                        width: 100%;
                    }
                }
            }
            .swiper-button-prev, .swiper-button-next {
                color: $mainColor;
                transform: scale(0.5);
            }
            .swiper-button-prev {
                left: 0;
            }
            .swiper-button-next {
                right: 0;
            }
        }
    }
    .article-date {
        padding: 0 7vw;
        font-weight: 500;
        color: $accentColor;
        margin: 0;
        margin-top: 1rem;
    }
    .article-titre {
        padding: 0 7vw;
        font-weight: bold;
        margin: 0;
    }
    .article-content {
        padding: 0 7vw        
    }
}

@media screen and (min-width: 960px) {
    header {
        #logo {
            width: 15vw;
            img {
                padding-left: 40%;
                padding-right: 10%;
            }
        }
        #main-title {
            width: 100%;
            h1 {
                font-size: 2rem;
                padding-left: 2.5vw;
                margin-bottom: 0.5rem;
            }
        }
    }
    nav {
        ul {
            padding: 1rem 0 1rem 15vw;
        }
    }
    #about {
        grid-template-columns: repeat(2, auto);
        grid-template-rows: repeat(2, auto);
        padding: 1rem 0 1rem 15vw;
        cursor: pointer;
        #about-summary {
            padding-right: calc(15vw - 7.5vh);
        }
        #about-hidden {
            grid-row: 2;
            grid-column: 1;
            padding-right: calc(15vw - 7.5vh);
        }
        #about-arrow {
            grid-row: 1 / 3;
            grid-column: 2;
            align-self: center;
        }
        #about-hidden.open {
            max-height: 20vh;
        }
    }
    main {
        grid-template-columns: repeat(3, 1fr);
        column-gap: 2rem;
        .article-card {
            .img-cover {
                max-height: 20vh;
            }
        }
    }
    article {
        #article-wrapper {
            width: 60vw;
            .swiper-button-prev {
                left: 1rem !important;
            }
            .swiper-button-next {
                right: 1rem !important;
            }
        }
    }
}

@media screen and (min-width: 1280px) {
    main {
        margin: 2rem 15vw;
        padding: 0;
    }
}