/* RESET STYLES & HELPER CLASSES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
:root {
    --level-1: #8dccad;
    --level-2: #7b9fe0;
    --level-3: #7b9fe0;
    --level-4: #7b9fe0;
    --level-4: #7b9fe0;
    --black: grey;
}

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

ol {
    list-style: none;
}



.chartcontainer {
    max-width: 80%;
    padding: 30px 10px;
    margin: 0 auto;
  
    text-align: center;
}

.rectangle {
    position: relative;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

/* LEVEL-1 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.level-1 {
    width: 50%;
    margin: 0 auto 40px;
}

    .level-1::before {
        content: "";
        position: absolute;
        top: 100%;
        left: calc(50% + 1px);
        transform: translateX(-50%);
        width: 2px;
        height: 20px;
        background: var(--black);
    }

/* LEVEL-2 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.level-2-wrapper {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
}

    .level-2-wrapper::before {
        content: "";
        position: absolute;
        top: -20px;
        left: calc(10% + 2px);
        width: 80%;
        height: 2px;
        background: var(--black);
    }

    .level-2-wrapper::after {
        display: none;
        content: "";
        position: absolute;
        bottom: -20px;
        width: 100%;
        height: 2px;
        background: var(--black);
    }

    .level-2-wrapper li {
        position: relative;
    }

    .level-2-wrapper > li::before {
        content: "";
        position: absolute;
        bottom: 100%;
        transform: translateX(50%);
        width: 2px;
        height: 20px;
        background: var(--black);
    }

.level-2 {
    width: 90%;
    margin: 0 auto 40px;
    background: var(--level-2);
}

    .level-2::before {
        content: "";
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        width: 2px;
        height: 20px;
        background: var(--black);
    }

    .level-2::after {
        display: none;
        content: "";
        position: absolute;
        top: 50%;
        left: 10%;
        transform: translate(-100%, -50%);
        width: 20px;
        height: 2px;
        background: var(--black);
    }

/* LEVEL-3 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.level-3-wrapper {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-column-gap: 10px;
    width: 90%;
    margin: 0 auto;
}

    .level-3-wrapper::before {
        content: "";
        position: absolute;
        top: -20px;
        left: calc(25% - 1px);
        width: calc(50% + 2px);
        height: 2px;
        background: var(--black);
    }

    .level-3-wrapper > li::before {
        content: "";
        position: absolute;
        top: 0;
        transform: translate(-50%, -100%);
        width: 2px;
        height: 20px;
        background: var(--black);
    }

.level-3 {
    margin-bottom: 20px;
    background: var(--level-3);
}

/* LEVEL-4 STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.level-4-wrapper {
    position: relative;
    width: 80%;
    margin-left: auto;
}

    .level-4-wrapper::before {
        content: "";
        position: absolute;
        top: -20px;
        left: -20px;
        width: 2px;
        height: calc(100% + 20px);
        background: var(--black);
    }

    .level-4-wrapper li + li {
        margin-top: 20px;
    }

.level-4 {
    font-weight: normal;
    background: var(--level-4);
}


.level-5-wrapper {
    position: relative;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
}



    .level-5-wrapper::after {
        display: none;
        content: "";
        position: absolute;
        bottom: -20px;
        width: 90%;
        height: 2px;
        background: var(--black);
    }

    .level-5-wrapper li {
        position: relative;
    }



.level-5 {
    width: 90%;
    margin: 0 auto 40px;
    top: 0px;
    left: 0;
    background: var(--level-2);
}




/* MQ STYLES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
@media screen and (max-width: 700px) {
    .rectangle {
        padding: 20px 10px;
    }

    .level-1,
    .level-2 {
        width: 100%;
    }

    .level-1 {
        margin-bottom: 20px;
    }

        .level-1::before,
        .level-2-wrapper > li::before {
            display: none;
        }

    .level-2-wrapper,
    .level-2-wrapper::after,
    .level-2::after {
        display: block;
    }

    .level-2-wrapper {
        width: 90%;
        margin-left: 10%;
    }

        .level-2-wrapper::before {
            left: -20px;
            width: 2px;
            height: calc(100% + 40px);
        }

        .level-2-wrapper > li:not(:first-child) {
            margin-top: 50px;
        }
}