.timeline {
    position: relative;
}

.timeline_progress {
    position: sticky;
    top: 13%;
    left: 0;
    float: left;
    margin-top: 50px;
}

.timeline_progress ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.timeline-year-marker {
    font-size: .75rem;
    font-weight: 400;
    font-family: sans-serif;
    line-height: 1.6666666667;
    display: block;
    width: 50px;
    overflow: hidden;
    text-align: right;
    background-image: linear-gradient(0deg, var(--c-gray-50), var(--c-gray-50));
    background-position: left center;
    background-repeat: no-repeat;
    background-size: 16px 2px;
    transition: .5s;
}
.timeline-year-marker.is-active {
    color: transparent;
    /*background-image: linear-gradient(0deg, var(--c-bd-base), var(--c-bd-base));*/
    background-image: linear-gradient(0deg, var(--c-red-mediapro), var(--c-red-mediapro));
    background-size: 100% 8px;
}

.timeline_title {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%;
    max-width: calc(var(--container-width) + var(--container-glutter) + var(--container-glutter));
    margin-inline: auto;
    padding: 40px var(--container-glutter);
}

.timeline_title h2 {
    font-weight: normal;
    font-size: clamp(1.5rem, 1.1129rem + 1.2903vw, 2rem);
    color: black;
    flex: auto;
    min-width: 50%;
    max-width: 870px;
    text-align: left;
}

/*.timeline_title,*/
.timeline_content {
    display: block;
    width: 100%;
    max-width: calc(var(--container-width) + var(--container-glutter) + var(--container-glutter));
    padding: 40px var(--container-glutter);
    text-align: left;
    margin: 0 auto;
}

.timeline_title span {
    font-weight: normal;
    font-size: clamp(1.5rem, 1.1129rem + 1.2903vw, 2rem);
    color: black;

    /*margin-top: var();*/
}

.timeline_year_row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto;
    grid-gap: 32px;

    max-width: var(--container-width) + var(--container-glutter) + var(--container-glutter);
}

.timeline_year_row {
    margin-top: var(--l-margintop-between-years);
    padding-top: calc(var(--l-paddingtop-between-years) - 1px);
    border-top: 1px solid var(--c-silver);
}

.timeline_year_row:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.timeline_year_column {
    grid-column:1 / span 4;
    text-align: left;
}

.timeline_year_display {
    position: sticky;
    top: 40%;
    color: var(--c-gray-text-on-light);
    font-size: 36px;
    line-height: 1em !important;
    transform-origin: left top;
    transition: 1s;
}

.timeline_year_row.scrolled-into-view .timeline_year_display {
    transform: scale(2.666666);
    transition: transform 750ms;
}

.timeline_year_row.scrolled-into-view .timeline_year_display {
    /*color: var(--c-text-base);*/
    color: var(--c-red-mediapro);
}

.timeline_year-facts_column {
    grid-column: 5 / span 8;
    max-width: --var(--container-width) + var(--container-glutter) + var(--container-glutter);
    margin: 0 auto;
    text-align: left;
}

.timeline_year-facts_rows {
    display: block;
}

.timeline_fact {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: auto;
    grid-gap: 32px;
}

.timeline_fact {
    margin-top: var(--l-margintop-between-facts);
    padding-top: calc(var(--l-paddingtop-fact) - 3px);
    border-top: 1px solid var(--c-silver);
}

.timeline_fact:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.timeline_fact__content-column {
    display: block;
    grid-column: 1 / span 3;
    padding: 1px 0px;
}

.timeline_fact__title {
    font-weight: bold;
    font-weight: 500;
    font-size: clamp(1.125rem, .9315rem + .6452vw, 1.375rem);
    color: black;
}

.timeline_fact__description {
    visibility: hidden;
    opacity: 0;
    margin-top: 0;
    line-height: 0;
    transition: .5s 5s;
}

.timeline_year-facts_rows .timeline_fact__description {
    visibility: visible;
    opacity: 1;
    margin-top: var(--l-spacing-title-subtitle);
    line-height: 1.5;
    transition: line-height 250ms, margin 250ms, opacity 250ms 250ms, visibility 250ms 250ms;
}

.timeline_year-facts_rows .timeline_fact__description p {
    padding-bottom: var(--space-16);
}

.timeline_fact__image-column,
.timeline_fact__video-column {    
    display: block;
    grid-column: 4 / span 5;
}

.timeline_fact__image,
.timeline_fact__video {
    width: 60%;
    margin-left: auto;
    padding-top: 0;
    transition: 1s;
}

.timeline_year-facts_rows .timeline_fact__image,
.timeline_year-facts_rows .timeline_fact__video {
    width: 100%;
    transition: 750ms 150ms;
}

.timeline_fact__image img,
.timeline_fact__video video {
    height: 100%;
    width: 100%;
    -o-object-fit: cover;
    object-fit: cover;
}