@font-face {
    font-family: "Fredoka";
    src: url(../font/Fredoka-VariableFont_wdth\,wght.woff2) format("woff2");
}

*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    font-family: "Fredoka", sans-serif;
    line-height: 1.6;
    scroll-behavior: smooth;
    background-color: var(--achtergrond);

    --achtergrond: oklch(17% 0.03 250);
    --text: oklch(88% 0.02 250);
    --nav-achtergrond: oklch(22% 0.04 250);
    --nav-link: oklch(80% 0.03 250);
    --nav-hover: oklch(75% 0.14 230);
    --nav-active: oklch(34.687% 0.05081 226.444);
    --accent: oklch(68% 0.20 220);
    --card-achtergrond: oklch(22% 0.04 250);
    --border: oklch(30% 0.03 250);
    --shadow: oklch(0% 0 0 / 0.25);
}

body, html {
    margin: 0;
    color: var(--text);
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    display: flex;
    flex-direction: column;
    max-width: 100%;
    margin-inline: auto;
    margin-block: auto;
    flex: 1;

    a {
        color: var(--nav-link);
    }
}

.container {
    padding-inline: 1rem;
    margin: 0 auto;
    max-width: 100%;
}

/*bron w3 schools voor hamburger-menu*/
.topnav {
    overflow: hidden;
    background-color: var(--nav-achtergrond);
    position: relative;
}

.topnav #myLinks {
    display: none;
}

.topnav a {
    color: var(--text);
    text-decoration: none;
    font-size: 17px;
    display: block;
    padding: 14px 16px;
    text-align: center;
}

.topnav a.icon {
    background: var(--nav-active);
    display: block;
    position: absolute;
    right: 0;
    top: 0;
}

.topnav a:hover {
    background-color: var(--nav-hover);
    color: var(--text);
}

.active {
    background-color: var(--nav-achtergrond);
    color: white;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    list-style: none;
    gap: 2rem;
    flex-basis: 30rem;
    margin: 0;
    padding: 1rem;

    ul {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        padding-inline-start: 0;
        gap: 1em;
    }

    li {
        display: flex;
        flex-direction: column;
        position: relative;
        overflow: hidden;
        width: 100%;
        min-width: 16em;
        border: 5px solid var(--border);
        border-radius: 25px;
        background-color: var(--card-achtergrond);
        box-shadow: 0 0 .2rem var(--shadow), 0 0 2rem var(--shadow);
        transition: box-shadow .5s ease-in-out, filter .5s ease-in-out, background-color .5s ease-in-out;

        &:hover,
        &:focus-visible {
            box-shadow: 0 0 1rem var(--shadow), 0 0 4rem var(--shadow);
            filter: grayscale(20%);
            background-color: var(--nav-active);
        }

        img {
            order: -1;
            border-radius: 15px 15px 0 0;
            width: 100%;
            height: auto;
        }

        a:not(.overlay-link) {
            z-index: 1;
        }
    }
}

.content {
    padding: 0 0.5rem 1rem 1rem;

    a {
        color: var(--nav-link);
    }
}

.overlay-link {
    position: absolute;
    inset: 0;
    text-indent: 100%;
    white-space: nowrap;
    overflow: hidden;
}

.socials {
    ul {
        list-style: none;
        display: flex;
        justify-content: start;
        gap: 0.5rem;

        li {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
    }
}

footer {
    background-color: var(--nav-achtergrond);
    padding: 1rem;

    a {
        color: var(--text);
    }

    p {
        margin-block: 0;
        text-align: center;
    }
}

.button {
    display: inline-block;
    background-color: var(--nav-active);
    border-radius: 2rem;
    text-align: center;

    a {
        color: var(--text);
        text-decoration: none;
        padding: 0.5rem 2rem;
        display: inline-block;
    }
}

img {
    border-radius: 2rem;
    max-width: 100%;
    height: auto;
}

@media (min-width: 768px) {

    .topnav {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 2rem;
        padding: 0 2rem;
        background-color: var(--nav-achtergrond);
    }

    .topnav > a:first-of-type {
        margin-right: auto;      
        font-size: 1.25rem;
        font-weight: 600;
        color: var(--text);
        text-decoration: none;
        padding: 1rem 0;
        white-space: nowrap;
        background: none !important;
    }

    .topnav > a:first-of-type:hover {
        background: none;
        color: var(--text);
        cursor: default;
    }

    .topnav #myLinks {
        display: flex !important;
        flex-direction: row;
        align-items: center;
        justify-content: flex-end;
        gap: 2rem;
        flex-grow: 1;
    }

    .actief{
        background-color: var(--nav-active);
    }
    .topnav a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.75rem 1rem;
        font-size: 1rem;
        border-radius: 0.5rem;
        color: var(--nav-link);
        transition: background-color 0.3s, color 0.3s;
    }

    .topnav a:hover {
        background-color: var(--nav-hover);
        color: var(--text);
    }

    .topnav a.active {
        background-color: var(--nav-active);
        color: var(--text);
    }

    .topnav a.icon {
        display: none;
    }

    main {
        max-width: 100rem;
        margin: 0;
    }

    .cards {
        justify-content: space-around;
    }

    .cards li {
        flex: 1 1 calc(33.33% - 2rem);
    }

    .container {
        padding-inline: 2rem;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 80rem;
        padding-inline: 4rem;
    }

    main {
        max-width: 70%;
    }

    .cards li {
        flex: 1 1 calc(25% - 2rem);
    }

    .topnav a {
        font-size: 19px;
        padding: 18px 22px;
    }
}