* {
        font-family: "DinPro", sans-serif;
        padding: 0;
        margin: 0;
        box-sizing: border-box;
    }

    body {
        background-color: transparent;
    }

    :root {
        --level-1: #c29943;
        --level-2: #006a73;
        --level-3: #24a8ab;
        --level-4: #f3f3f3;
        --level-5: #fff;
        --black: black;
    }

    body {
        margin: 50px 0 100px;
        text-align: center;
        background-color: #fff;
    }

    ol {
        list-style: none;
    }

    .container {
        padding: 0 10px;
        margin: 0 auto;
    }

    .rectangle {
        position: relative;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
        border-radius: 1rem;
    }

    /* المستوى الأول */
    .level-1 {
        width: 400px;
        margin: 0 auto 40px;
        background: var(--level-1);
        color: var(--level-5)
    }

    .level-1::after {
        content: "";
        position: absolute;
        bottom: -40px;
        left: 50%;
        transform: translateX(-50%);
        width: 2px;
        height: 40px;
        background: var(--black);
    }

    /* المستوى الثاني */
    .level-2 {
        width: 400px;
        margin: 0 auto 40px;
        background: var(--level-2);
        color: var(--level-5)
    }

    .level-2::after {
        content: "";
        position: absolute;
        bottom: -40px;
        left: 50%;
        transform: translateX(-50%);
        width: 2px;
        height: 40px;
        background: var(--black);
    }

    /* المستوى الثالث */
    .level-3 {
        width: 400px;
        margin: 0 auto 40px;
        background: var(--level-3);
        color: var(--level-5)
    }

    .level-3::after {
        content: "";
        position: absolute;
        bottom: -60px;
        left: 50%;
        transform: translateX(-40%);
        width: 2px;
        height: 60px;
        background: var(--black);
    }

    /* المستوى الرابع أفقي */
    .level-4-horizontal-wrapper {
        display: flex;
        justify-content: center;
        gap: 60px;
        position: relative;
        margin-top: 20px;
        padding-top: 40px;
    }

    .level-4-horizontal-wrapper::after {
        content: "";
        position: absolute;
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
        width: 50%;
        min-width: 408px;
        height: 2px;
        background: var(--black);
    }

    .level-4-item {
        position: relative;
    }

    .level-4-item::before {
        content: "";
        position: absolute;
        top: -20px;
        left: 50%;
        width: 2px;
        height: 20px;
        background: var(--black);
        transform: translateX(-50%);
    }

    .level-4 {
        width: 350px;
        background: var(--level-4);
        font-size: large;
        text-align: center;

    }

    /* المستوى الخامس */
    .level-5-wrapper {
        position: relative;
        padding-left: 40px;
        margin-top: 15px;
    }

    .level-5-wrapper {
        position: relative;
        padding-right: 40px;
    }

    .level-5-wrapper::before {
        content: "";
        position: absolute;
        top: -20px;
        right: 20px;
        width: 2px;
        height: calc(100% + 20px);
        background: var(--black);
    }

    .level-5 {
        background: var(--level-5);
        width: 100%;
        color: #333;
        padding: 10px 20px;
        border-radius: 0.8rem;
        position: relative;
        text-align: cenetr;
        margin-top: 20px;
        font-size: medium;
    }

    .level-5::before {
        content: "";
        position: absolute;
        top: 50%;
        right: -20px;
        transform: translateY(-50%);
        width: 20px;
        height: 2px;
        background: var(--black);
    }


    @media screen and (max-width: 700px) {

        .level-4-horizontal-wrapper {
            flex-direction: column;
            gap: 20px;
            padding-top: 0;
        }

        .level-4-horizontal-wrapper::after,
        .level-4-item::before {
            display: none;
        }

        .level-5-wrapper {
            padding-left: 0;
            padding-right: 0;
        }

        .level-5-wrapper::before,
        .level-5::before {
            display: none;
        }

        .level-1,
        .level-2,
        .level-3,
        .level-4,
        .level-5 {
            width: 100%;
        }

        .level-1,
        .level-2,
        .level-3,
        .level-4,
        .level-5-wrapper {
            margin-top: 20px;
        }

        .level-4,
        .level-5 {
            text-align: center;
        }
    }