:root {
    --background-color:#eeeeee;
    --hover-lighter:#ededed;
    --active-lighter:#d5d5d5;
    --nav-dots:#00000066;
    --hover-darker:#cdcdcd;
    --active-darker:#a1a0a0; 
    --shadow-less:#0000000f;
    --shadow-more:#00000014;
}

/* ============================================
   CAROUSEL
   ============================================ */

main > ul {
    display: flex;
    gap: 0.3em;
    margin: 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    list-style: none;
}

main > ul::-webkit-scrollbar {
    display: none;
}

main > ul > li {
    flex: 0 0 100%;
    scroll-snap-align: center;
    padding: 0 0.3em;
}

main > ul > li > section {
    position: relative;
    display: grid;
    align-content: start;
    width: 100%;
    aspect-ratio: 3 / 4.9;
    margin: 2.5em 0;
    padding: 24px;
    border-radius: 1em;
    overflow: hidden;
}

main > ul > li > section > img {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

main > ul > li > section > h2,
main > ul > li > section > p,
main > ul > li > section > a {
    z-index: 2;
    margin: 0;
    text-align: center;
    color: var(--color-white);
}

main > ul > li > section > h2 {
    margin-bottom: 0.3em;
    font-weight: 600;
    line-height: 1.3em;
    letter-spacing: -0.02em;
}

main > ul > li > section > p {
    margin-bottom: 1.8em;
    padding: 0 0.2em;
    font-size: 1.05em;
    line-height: 1.5em;
}

main > ul > li > section > a {
    justify-self: center;
    display: inline-block;
    width: 100%;
    padding: 0.6em 1.2em;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    background-color: var(--color-white);
    border-radius: 40px;
    color: var(--color-black);
}

main > ul > li > section > a:hover {
    background-color: var(--hover-lighter);
}

main > ul > li > section > a:active {
    background-color: var(--active-lighter);
}

main > ul > li:nth-of-type(1) section::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(to bottom, rgba(0,0,0,.6), rgba(0,0,0,.1));
}

main > ul > li:nth-of-type(2) section::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(to bottom, rgba(0,0,0,.6), rgba(0,0,0,0));
}

main > ul > li:nth-of-type(2) section > img {
    transform: scale(1.08);
    object-position: 34%;
}

main > ul > li:nth-of-type(3) {
    margin-right: 2em;
}

/* ============================================
   NAV DOTS
   ============================================ */

main > nav {
    display: flex;
    justify-content: center;
    gap: 0.6em;
    margin-top: -1.5em;
}

main > nav a {
    font-size: 1.2em;
    text-decoration: none;
    color: var(--nav-dots);
}

main > nav a:active {
    color: var(--color-black);
}

main > nav a[href="#kaart1"] {
    color: var(--color-black);
}

main:has(#kaart1:target) nav a[href="#kaart1"],
main:has(#kaart2:target) nav a[href="#kaart2"],
main:has(#kaart3:target) nav a[href="#kaart3"] {
    color: var(--color-black);
}

main:has(:target) nav a:not([href*=":target"]) {
    color: var(--nav-dots);
}

/* ============================================
   DUURZAAMHEID
   ============================================ */

main > section:nth-of-type(1) {
    padding: 0;
    margin-bottom: 2.7em;
}
   
main > section:nth-of-type(1) h2 {
    margin-bottom: 1em;
    font-size: 1.75em;
    font-weight: 630;
    letter-spacing: -0.02em;
    text-align: center;
}

main > section:nth-of-type(1) > div {
    position: relative;
    padding-left: 1.6em;
    padding-right: 1.6em;
}

main > section:nth-of-type(1) article {
    position: relative;
    z-index: 2;
    padding: 0.1em 1.6em 1.5em;
    background-color: var(--color-white);
    border-radius: 1em;
    box-shadow: 0 14px 16px var(--shadow-less);
}

main > section:nth-of-type(1) h3 {
    margin-bottom: 0;
    font-size: 1.7em;
    font-weight: 650;
    letter-spacing: -0.02em;
}

main > section:nth-of-type(1) article p {
    margin-top: 0.4em;
    margin-bottom: 1.8em;

    font-size: 1.05em;
    font-weight: 420;
    line-height: 1.4em;
}

main > section:nth-of-type(1) article a {
    display: block;
    padding: 0.4em 1.2em;
    font-size: 1.05em;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    color: var(--color-black);
    border: 2px solid var(--color-black);
    border-radius: 999px;
}

main > section:nth-of-type(1) article a:hover {
    background-color: var(--hover-darker)
}

main > section:nth-of-type(1) article a:active {
    background-color: var(--active-darker)
}

main > section:nth-of-type(1) img {
    margin-top: -5em;
}

/* ============================================
   MERKEN
   ============================================ */

main > section:nth-of-type(2) {
    padding: 0 1.6em;
}

main > section:nth-of-type(2) h2 {
    margin-bottom: 1.1em;
    font-size: 1.75em;
    font-weight: 650;
    letter-spacing: -0.02em;
    text-align: center;
}

main > section:nth-of-type(2) ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1em;
    margin: 1em 0 2em;
    padding: 0;
    list-style: none;
}

main > section:nth-of-type(2) li {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    padding: 24px;
    background-color: var(--color-white);
    border-radius: 1em;
    box-shadow: 0 10px 25px var(--shadow-more);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

main > section:nth-of-type(2) li:hover {
    transform: scale(1.04);
    box-shadow: 0 15px 35px var(--shadow-more);
}

main > section:nth-of-type(2) li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

main > section:nth-of-type(2) li img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

main > section:nth-of-type(2) li:last-child {
    grid-column: 1 / -1;
    justify-self: center;
    width: 48%;
    padding: 24px;
}

main > section:nth-of-type(2) > a {
    display: block;
    margin-bottom: 3.3em;
    padding: 0.5em 1.2em;
    font-size: 1.05em;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    color: var(--color-black);
    border: 2px solid var(--color-black);
    border-radius: 999px;
}

main > section:nth-of-type(2) > a:hover {
    background-color: var(--hover-darker)
}

main > section:nth-of-type(2) > a:active {
    background-color: var(--active-darker)
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (min-width: 375px) {
    main > ul > li > section {
        max-width: 560px;
    }
}

@media (min-width: 600px) {
    main > ul > li > section {
        max-height: 900px; 
        max-width: 1200px;     
    }

    main > ul > li > section > h2 {
        padding: 0 1em;
        font-size: 2em;
    }
}

@media (min-width: 1200px) {
    main > ul > li > section {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        height: clamp(520px, 45vw, 600px);
        max-width: 1385px;
        margin-top: 3.5em;
        padding-left: 4em;
    }

    main > ul > li:nth-of-type(1) section img {
        content: url(images-homepage/hero_ab-testing_green-ver_desktop.png);
    }

    main > ul > li:nth-of-type(3) section img {
        content: url(images-homepage/hero_img_groot.webp);
    }

    main > ul > li > section > h2 {
        max-width: 20ch;
        margin-left: 0.8em;
        padding: 0;
        font-size: 2.4em;
        font-weight: 650;
        text-align: left;
    }

    main > ul > li > section > p {
        max-width: 40ch;
        margin-left: 2em;
        padding: 0;
        font-size: 1em;
        text-align: left;
    }

    main > ul > li section a { 
        width: auto; 
        margin-left: 1.8em;
        padding: 0.6em 6.5em; 
    }

    main > section:nth-of-type(1) {
        max-width: 1125px;
        margin: 3.5em auto;
    }

    main > section:nth-of-type(1) h2 {
        font-size: 2.1em;
    }

    main > section:nth-of-type(1) > div {
        display: flex;
        align-items: flex-start;
        padding: 0;
    }

    main > section:nth-of-type(1) img {
        display: block;
        width: 57%;
        margin-top: 5em;
        border-radius: 0.5em;
        content: url(images-homepage/nl_homepage_campaign_card_desktop_1280x1024\(1\).jpg);
    }

    main > section:nth-of-type(1) article {
        position: absolute;
        right: 0.5em;
        margin-top: 6.9em;
        padding: 2em 3.8em 4.2em;
        transform: translateY(-20%);
    }

    main > section:nth-of-type(1) article h3 {
        font-size: 2em;
    }

    main > section:nth-of-type(1) article p {
        max-width: 36ch;
        font-size: 1.1em;
        line-height: 1.4;
    }

    main > section:nth-of-type(1) article a {
        width: 80%;
        margin-top: 8em;
    }

    main > section:nth-of-type(2) {
        max-width: 780px;
        margin: 0 auto;
    }

    main > section:nth-of-type(2) h2 {
        font-size: 2em;
    }

    main > section:nth-of-type(2) ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center; 
        gap: 1.5em;
    }

    main > section:nth-of-type(2) ul li {
        width: calc((100% - 2 * 1.5em) / 3);
    }

    main > section:nth-of-type(2) ul li:last-child {
        width: calc((100% - 2 * 1.5em) / 3);
    }

    main > section:nth-of-type(2) > a {
        max-width: 330px;       
        margin: 0 auto 7em;
    }
}

@media (min-width: 1440px) {
    main > ul > li > section {
        max-width: 1385px;       
        margin-left: auto;
        margin-right: auto;
    }
}