html {
    --back-height: 40px;
}

/* -- header -- */
header {
    border-bottom: 0px;
    height: 0px;
    padding: 0px;
}

    header a {
        background-color: black;
        font-size: 19px;
        padding: 11px 20px 12px 40px;
        border-radius: 40px;

        position: fixed;
        top: var(--body-margin);
        left: var(--body-margin);
    }

    header a:hover {
        background-color: white;
        color: black;
    }

        header a::before {
            display: block;
            content: "";
            background-image: url(/images/icons/back.png);
            background-size: contain;
            background-repeat: no-repeat;

            position: absolute;
            left: 19px;
            top: 12px;

            width: 10px;
            height: 17px;
        }

        header:hover a::before {
            filter: invert(100%);
        }

/* -- content -- */
section {
    padding-top: 30px;
    padding-bottom: 60px;
    border-bottom: none;
}

main {
    padding-top: calc(var(--body-margin) + var(--back-height));
}

.zoom {
    cursor: zoom-in;
}


/* -- hero -- */
#hero .hero {
    margin-bottom: 10px;
}

#hero > p {
    margin-top: 0px;
    font-size: 30px;
    line-height: 1.4em;
    font-weight: 400;
    color: var(--secondary-colour);
    margin-bottom: 0px;
}

    #hero > p em {
        font-weight: 400 !important;
    }

#hero > p + p {
    margin-top: 1em;
}

#hero ul {
    margin-top: 40px;
    display: flex;
    flex-flow: row wrap;
    gap: 10px 8px;
}

    #hero ul li {
        color: #999;
        border: 1px solid #999;
        border-radius: 100px;
        padding: 5px 11px 6px 11px;
        display: block;
    }

/* -- work examples -- */
#examples {
    padding-top: 0px;
}

    #examples img {
        width: 100%;
        margin-bottom: 50px;
    }

    #examples figure img {
        margin-bottom: 0px;
    }

    #examples figure figcaption {
        background: black;
        padding: 20px;
        margin-bottom: 50px;
        font-size: 13px;
        line-height: 20px;
    }

    #examples video {
        width: 100%;
    }

    #examples h2 {
        padding-left: 100px;
        padding-right: 100px;
    }

    #examples p {
        padding-left: 100px;
        padding-right: 100px;
    }

    #examples p + p {
        margin-top: 1em;
    }

    #examples p + img,
    #examples p + figure,
    #examples p + .video {
        margin-top: 50px;
    }

    .wbt-video {
        margin-bottom: 0px;
        background-color: #0047ba;
        display: grid;
        place-items: center;
        padding: 8%;
    }

        .wbt-video video, .wbt-video .video {
            box-shadow: 0px 30px 30px 0px rgba(0, 0, 0, 0.1);
            border-radius: 10px;
        }

    #wbt-video1 {
        background-color: #0047ba;
    }

    #wbt-video2 {
        background-color: #3a444e;
    }

@media screen and (max-width: 900px) {
    section {
        padding-top: 30px;
        padding-bottom: 45px;
    }
    
    #hero .hero {
        margin-bottom: 5px;
    }
    
    #hero > p {
        font-size: 25px;
    }

    #hero ul {
        margin-top: 35px;
    }
    
    #examples img {
        margin-bottom: 40px;
    }

    #examples figure figcaption {
        margin-bottom: 40px;
    }

    #examples h2 {
        padding-left: 0px;
        padding-right: 0px;
    }

    #examples p {
        padding-left: 0px;
        padding-right: 0px;
    }

    #examples p + img,
    #examples p + figure,
    #examples p + .video {
        margin-top: 40px;
    }
}

@media screen and (max-width: 600px) {
    section {
        padding-top: 20px;
        padding-bottom: 35px;
    }

    #hero .hero {
        margin-bottom: 5px;
    }

    #hero > p {
        font-size: 20px;
    }

    #hero ul {
        margin-top: 25px;
        gap: 8px 6px;
    }
    
    #hero ul li {
        padding: 5px 10px 6px 10px;
        font-size: 15px;
    }
    
    #examples img {
        margin-bottom: 30px;
    }

    #examples figure figcaption {
        margin-bottom: 30px;
    }

    #examples h2 {
        padding-left: 0px;
        padding-right: 0px;
    }
    
    #examples p {
        padding-left: 0px;
        padding-right: 0px;
    }

    #examples p + img,
    #examples p + figure,
    #examples p + .video {
        margin-top: 30px;
    }
}