.timeline {
    --timeline-color: #1f1f1f;
    --timeline-line-thickness: 2px;
    --timeline-marker-size: 18px;
    --timeline-label-gap: 10px;
    --timeline-mobile-connector-length: 50px;
    --timeline-breakpoint: 768px;

    list-style: none;
    margin: 0;
    padding: 0;

    display: flex;
    align-items: flex-start;
    justify-content: space-between;

margin-top: 2rem;
}

#timeline h3 {
    text-align: center;
    font-size: 2rem;
margin-bottom: 5rem;
}

.timeline__step {
    position: relative;
    flex: 1 1 0;
    min-width: 0;

    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.timeline__marker {
    width: var(--timeline-marker-size);
    height: var(--timeline-marker-size);
    border: var(--timeline-line-thickness) solid var(--timeline-color);
    border-radius: 50%;
    box-sizing: border-box;
    background: transparent;
    flex: 0 0 auto;
    position: relative;
    z-index: 1;
}

.timeline__label {
    display: block;
    margin-top: var(--timeline-label-gap);
    line-height: 1.3;
}

.timeline__connector {
    display: none;
}

.timeline__step::before,
.timeline__step::after {
    content: "";
    position: absolute;
    top: calc((var(--timeline-marker-size) / 2) - (var(--timeline-line-thickness) / 2));
    height: var(--timeline-line-thickness);
    background: var(--timeline-color);
}

.timeline__step::before {
    left: 0;
    width: calc(50% - (var(--timeline-marker-size) / 2) - 10px);
}

.timeline__step::after {
    left: calc(50% + (var(--timeline-marker-size) / 2) + 10px);
    width: calc(50% - (var(--timeline-marker-size) / 2));
}

.timeline__step:first-child::before {
    display: none;
}

.timeline__step:last-child::after {
    display: none;
}

@media (max-width: 768px) {
    .timeline {
        flex-direction: column;
        align-items: center;
    }

    .timeline__step {
        width: 100%;
        flex: none;
    }

    .timeline__step::before,
    .timeline__step::after {
        display: none;
    }

    .timeline__label {
        margin-top: 5px;
    }

    .timeline__connector {
        display: block;
        width: var(--timeline-line-thickness);
        height: var(--timeline-mobile-connector-length);
        background: var(--timeline-color);
        flex: 0 0 auto;
margin-bottom: 10px;
margin-top: 10px;
    }

    .timeline__step:last-child .timeline__connector {
        display: none;
    }
}