.koi-timeline {
    --start-text-font-size: 0.75rem;
    --start-line-height: 90px;
    --start-line-offset: 10px;

    --heading-font-size: 2.25rem;
    --heading-block-end: 4rem;

    --section-line-height: 59px;

    --section-intro-block: calc(var(--section-line-height) + 1.68rem);

    --section-intro-icon-width: 6.25rem;
    --section-intro-year-font-size: 1.25rem;
    --section-intro-heading-font-size: 2rem;

    --section-panels-gap: 1rem;

    --section-panel-photo-order: 1;
    --section-panel-content-order: 2;

    /* for larger viewports this is assigned below in .koi-timeline-section */
    --section-panels-areas: auto auto / 1fr;

    --section-panel-year-font-size: 0.9375rem;
    --section-panel-year-letter-spacing: 0.1875rem;
    --section-panel-year-block-end: var(--sds-size-space-300);

    --section-panel-heading-font-size: 1.5rem;
    --section-panel-heading-block-end: var(--sds-size-space-600);

    --section-panel-link-font-size: 0.9375rem;

    --section-panel-image-width: 100%;

    @media (width >=64rem) {
        --start-text-font-size: 0.875rem;
        --start-line-height: 180px;
        --start-line-offset: 20px;

        --heading-font-size: 3rem;
        --heading-block-end: 4.75rem;

        --section-intro-heading-font-size: 2.75rem;

        --section-panels-gap: 7.125rem;
    }

    margin-block: 0 var(--sds-size-space-1600);
}


.koi-timeline-heading {
    color: #0B1F41;
    text-align: center;
    font-family: var(--fonts-maiah);
    font-size: var(--heading-font-size);
    margin-block: 0 var(--heading-block-end);
    font-style: normal;
    font-weight: 700;
    line-height: 100%;
    text-transform: uppercase;
}

.koi-timeline-start-text {
    text-align: center;
    font-size: var(--start-text-font-size);
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: #011e41;
}

.koi-timeline-section-intro,
.koi-timeline-start-line {
    position: relative;

    &::before,
    &::after {
        content: "";
        position: absolute;
        top: var(--line-offset, 0);
        left: 50%;
    }
}

.koi-timeline-start-line {
    --start-line-total-height: calc(var(--start-line-height) + var(--start-line-offset));
    --line-offset: var(--start-line-offset);

    height: var(--start-line-total-height);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end;

    margin-block: 0;

    &::before {
        height: 1rem;
        width: 1rem;
        border-radius: 50%;
        border: 1px solid #011e41;
        background: var(--colors-white);
        transform: translateX(-50%);
        z-index: 1;
    }

    &::after {
        width: 1px;
        background: #011e41;
        height: var(--start-line-height);
        z-index: 0;
    }
}

.koi-timeline-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;

    @media (width >=64rem) {
        &:nth-child(odd) {
            --section-panel-content-order: 1;
            --section-panel-photo-order: 2;

            --section-panels-areas: auto / 1fr 55%;
        }

        &:nth-child(even) {

            --section-panel-content-order: 2;
            --section-panel-photo-order: 1;

            --section-panels-areas: auto / 55% 1fr;
        }
    }
}

.koi-timeline-section-intro {
    display: flex;
    gap: 2rem;
    flex-direction: column;
    align-items: center;
    padding-block: var(--section-intro-block);


    &::before,
    &::after {
        content: '';
        width: 1px;
        background: #011e41;
        height: var(--section-line-height);
        z-index: 0;
    }

    &::after {
        top: unset;
        bottom: 0;
    }
}

.koi-timeline-section-intro-subheading {
    order: 1;

    color: var(--colors-brand);
    text-align: center;
    font-family: var(--fonts-nexa-xbold);
    font-size: var(--section-intro-year-font-size);
    font-style: normal;
    font-weight: 800;
    line-height: 100%;
    letter-spacing: 0.1875rem;
    text-transform: uppercase;
}

.koi-timeline-section-intro-icon {
    order: 2;
    width: var(--section-intro-icon-width);
}

.koi-timeline-section-intro-heading {
    order: 3;

    color: #0B1F41;
    text-align: center;
    font-family: var(--fonts-maiah);
    font-size: var(--section-intro-heading-font-size);
    font-style: normal;
    font-weight: 700;
    line-height: 100%;
    text-transform: uppercase;
    margin-block: 0;
}

.koi-timeline-section-panels {
    display: grid;
    grid-template: var(--section-panels-areas);
    gap: var(--section-panels-gap);

    width: 100%;
}

.koi-timeline-section-panel:first-child {
    display: flex;
    flex-direction: column;
    order: var(--section-panel-content-order);
}

.koi-timeline-section-panel:last-child {
    order: var(--section-panel-photo-order);
}

.koi-timeline-section-panel-subheading {
    order: 1;
    color: var(--colors-brand);
    font-family: var(--fonts-nexa-xbold);
    font-size: var(--section-panel-year-font-size);
    font-style: normal;
    font-weight: 800;
    line-height: 100%;
    letter-spacing: var(--section-panel-year-letter-spacing);
    text-transform: uppercase;

    margin-block: 0 var(--section-panel-year-block-end);
}

.koi-timeline-section-panel-heading {
    order: 2;

    color: var(--colors-brand);
    font-family: var(--fonts-proxima-nova);
    font-size: var(--section-panel-heading-font-size);
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    /* 2.25rem */
    text-transform: uppercase;
    text-wrap: balance;
    margin-block: 0 var(--section-panel-heading-block-end);
}

.koi-timeline-section-panel-link {
    order: 3;
    align-self: flex-start;

    display: flex;
    padding-bottom: var(--sds-size-space-300);
    align-items: center;
    gap: var(--sds-size-space-600);

    border-bottom: 1px solid var(--colors-brand);

    color: var(--colors-brand);
    font-family: var(--fonts-proxima-nova);
    font-size: var(--section-panel-link-font-size);
    font-style: normal;
    font-weight: 600;
    line-height: 100%;
    letter-spacing: 0.125rem;
    text-transform: uppercase;
    padding-inline-end: var(--sds-size-space-1600);
}

.koi-timeline-section-panel-link:focus-visible::after,
.koi-timeline-section-panel-link:hover::after {
    translate: var(--sds-size-space-300) 0;
}

.koi-timeline-section-panel-link::after {
    content: var(--images-arrow-right);

    transition: translate .2s;
    translate: 0 0;
}

.koi-timeline-section-panel-image {
    width: var(--section-panel-image-width);
}