.project_header {
    background-image: url(./../images/project_header.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    height: 570px;
}

.project_time_line {
    max-width: 1600px;
    --bs-gutter-x: 1.5rem;
    --bs-gutter-y: 0;
    width: 100%;
    padding-right: calc(var(--bs-gutter-x) * .5);
    padding-left: calc(var(--bs-gutter-x) * .5);
    margin-right: auto;
    margin-left: auto;
    padding: 80px 0;
}

.project_time_line .title_main {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 60px;
}

/*time line*/
.project_time_line ul {
    display: grid;
    grid-auto-rows: minmax(min-content, max-content);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-gap: 0px;
    list-style: none;
    margin: 0;
}

.project_time_line ul li p {
    margin-bottom: 0;
}

.project_time_line ul li p:last-child {
    font-size: 32px;
    line-height: 50px;
    margin-top: 15px;
    max-width: 670px;
    text-align: justify;
}

.project_time_line ul li:nth-child(3) {
    margin-top: -20px;
}

.project_time_line ul li:nth-child(5) {
    margin-top: -70px;
}

.project_time_line ul li:nth-child(1) p:last-child,
.project_time_line ul li:nth-child(3) p:last-child,
.project_time_line ul li:nth-child(5) p:last-child {
    margin-right: 60px;
}

.project_time_line ul li:nth-child(2) p:last-child,
.project_time_line ul li:nth-child(4) p:last-child {
    margin-left: 60px;
}


.project_time_line ul li p:first-child {
    text-align: center;
    height: 80px;
    padding-top: 8px;
    font-size: 40px;
    color: #fff;
    position: relative;
    width: 100%;
    max-width: 500px;
}

.project_time_line ul li:nth-child(1) p:first-child,
.project_time_line ul li:nth-child(3) p:first-child,
.project_time_line ul li:nth-child(5) p:first-child {
    margin-left: auto;
    margin-top: 55px;
}

.project_time_line ul li:nth-child(1) p:first-child {
    background-color: #C83637;

}

.project_time_line ul li:nth-child(2) p:first-child {
    margin-top: 136px;
}

.project_time_line ul li:nth-child(4) p:first-child {
    margin-top: 114px;
}

.project_time_line ul li:nth-child(2) p:first-child {
    background-color: #3B9EC7;
}

.project_time_line ul li:nth-child(3) p:first-child {
    background-color: #AFE241;
}

.project_time_line ul li:nth-child(4) p:first-child {
    background-color: #FFC501;
}

.project_time_line ul li:nth-child(5) p:first-child {
    background-color: #4EDADA;
}

/*Tree*/
.project_time_line ul li:nth-child(1)::after,
.project_time_line ul li:nth-child(3)::after,
.project_time_line ul li:nth-child(5)::after {
    content: url(../images/tree.svg);
}

.project_time_line ul li:nth-child(1),
.project_time_line ul li:nth-child(3),
.project_time_line ul li:nth-child(5) {
    display: flex;
    justify-content: end;
}


/*label 1*/
.project_time_line ul li:nth-child(1) p:first-child::before,
.project_time_line ul li:nth-child(3) p:first-child::before,
.project_time_line ul li:nth-child(5) p:first-child::before {
    content: "";
    width: 0px;
    height: 0px;
    border-top: 50px solid transparent;
    border-bottom: 50px solid transparent;
    border-left: 50px solid #fff;
    position: absolute;
    left: 0;
    top: -10px;
}

.project_time_line ul li:nth-child(2) p:first-child::before,
.project_time_line ul li:nth-child(4) p:first-child::before {
    content: "";
    width: 0px;
    height: 0px;
    border-top: 50px solid transparent;
    border-bottom: 50px solid transparent;
    border-left: 50px solid #fff;
    position: absolute;
    right: 0;
    top: -10px;
    transform: rotate(0.5turn);
}

@media (min-width: 1200px) and (max-width: 1700.98px) {
    .project_time_line .title_main {
        font-size: 32px;
    }

    .project_time_line ul li p:first-child {
        font-size: 30px;
        padding-top: 18px;
    }

    .project_time_line ul li p:last-child {
        font-size: 25px;
        line-height: 38px;
        max-width: 520px;
    }

    .project_time_line ul li:nth-child(3) {
        margin-top: -13px;
    }

    .project_time_line ul li:nth-child(5) {
        margin-top: -39px;
    }

    .project_time_line ul li:nth-child(4) p:first-child {
        margin-top: 120px;
    }
}

@media (min-width: 768px) and (max-width: 1199.98px) {
    .project_time_line .title_main {
        font-size: 26px;
    }

    .project_time_line ul li p:first-child {
        font-size: 26px;
    }

    .project_time_line ul li p:first-child {
        height: 60px;
    }

    .project_time_line ul li:nth-child(1) p:first-child::before,
    .project_time_line ul li:nth-child(3) p:first-child::before,
    .project_time_line ul li:nth-child(5) p:first-child::before {
        border-top: 40px solid transparent;
        border-bottom: 40px solid transparent;
        border-left: 40px solid #fff;
    }

    .project_time_line ul li p:last-child {
        font-size: 22px;
    }

    .project_time_line ul li:nth-child(1) p:last-child,
    .project_time_line ul li:nth-child(3) p:last-child,
    .project_time_line ul li:nth-child(5) p:last-child {
        margin-right: 30px;
    }

    .project_time_line ul li p:last-child {
        line-height: 39px;
    }

    .project_time_line ul li:nth-child(2) p:last-child,
    .project_time_line ul li:nth-child(4) p:last-child {
        margin-left: 30px;
    }

    .project_time_line ul li p:last-child {
        max-width: 326px;
    }

    .project_time_line ul li:nth-child(2) p:first-child::before,
    .project_time_line ul li:nth-child(4) p:first-child::before {
        border-top: 40px solid transparent;
        border-bottom: 40px solid transparent;
        border-left: 40px solid #fff;
    }

    .project_time_line ul {
        padding-left: 15px;
    }

    .project_time_line ul li:nth-child(1) p:first-child::before,
    .project_time_line ul li:nth-child(3) p:first-child::before,
    .project_time_line ul li:nth-child(5) p:first-child::before {
        left: -1px;
    }

    .project_time_line ul li:nth-child(3) {
        margin-top: -27px;
    }
}

@media (max-width: 767.98px) {
    .project_time_line ul {
        grid-template-columns: repeat(1, minmax(0, 1fr));
        padding-left: 10px;
    }

    .project_time_line ul li:nth-child(1)::before,
    .project_time_line ul li:nth-child(2)::before,
    .project_time_line ul li:nth-child(3)::before,
    .project_time_line ul li:nth-child(4)::before,
    .project_time_line ul li:nth-child(5)::before {
        content: url(../images/tree.svg);
    }

    .project_time_line ul li:nth-child(1)::after, .project_time_line ul li:nth-child(3)::after, .project_time_line ul li:nth-child(5)::after {
        display: none;
    }

    .project_time_line ul li {
        display: flex;
    }

    .project_time_line ul li:nth-child(1) p:first-child::before,
    .project_time_line ul li:nth-child(3) p:first-child::before,
    .project_time_line ul li:nth-child(5) p:first-child::before {
        right: 0;
        left: auto;
        transform: rotate(0.5turn);
        top: -24px;
    }

    .project_time_line ul li:nth-child(2) p:first-child::before,
    .project_time_line ul li:nth-child(4) p:first-child::before {
        top: -24px;
    }

    .project_time_line ul li p:first-child {
        height: 50px;
        padding-top: 5px;
        font-size: 26px;
        text-align: left;
        padding-left: 15px;
    }

    .project_time_line ul li:nth-child(2) p:last-child, .project_time_line ul li:nth-child(4) p:last-child {
        margin-left: 15px;
        line-height: 28px;
        margin-right: 15px;
    }

    .project_time_line ul li:nth-child(1) p:last-child, .project_time_line ul li:nth-child(3) p:last-child, .project_time_line ul li:nth-child(5) p:last-child {
        margin-left: 15px;
        line-height: 28px;
        margin-right: 15px;
    }

    .project_time_line ul li p:last-child {
        font-size: 16px;
    }

    .project_time_line ul li:nth-child(2) p:first-child,
    .project_time_line ul li:nth-child(4) p:first-child {
        margin-top: 55px;
    }

    .project_time_line ul li:nth-child(3),
    .project_time_line ul li:nth-child(5) {
        margin-top: auto;
    }

    .project_header {
        height: 250px;
    }

    .project_time_line .title_main {
        font-size: 22px;
        margin-bottom: 40px;
    }

    .project_time_line{
        padding: 40px 0;
    }
}