.oreilly-about__past-carousel {
    position: relative;
    min-width: 0;
}

.oreilly-about__past-controls {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 20px;
}

.oreilly-about__past-control {
    display: inline-grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid var(--oreilly-color-primary-line);
    border-radius: 50%;
    background: transparent;
    color: var(--oreilly-color-primary);
    cursor: pointer;
    transition: color .25s ease, background-color .25s ease, border-color .25s ease, opacity .25s ease;
}

.oreilly-about__past-control:hover:not(:disabled),
.oreilly-about__past-control:focus-visible {
    border-color: var(--oreilly-color-primary);
    background: var(--oreilly-color-primary);
    color: var(--oreilly-color-ivory);
}

.oreilly-about__past-control:focus-visible {
    outline: 3px solid rgba(111, 85, 207, .35);
    outline-offset: 3px;
}

.oreilly-about__past-control:disabled {
    cursor: not-allowed;
    opacity: .35;
}

.oreilly-about__past-timeline {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 4px 0 18px;
    scrollbar-width: none;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    overscroll-behavior-inline: contain;
}

.oreilly-about__past-timeline::-webkit-scrollbar {
    display: none;
}

.oreilly-about__past-timeline:focus-visible {
    border-radius: 4px;
    outline: 2px solid var(--oreilly-color-violet);
    outline-offset: 5px;
}

.oreilly-about__past-list {
    position: relative;
    display: grid;
    width: max-content;
    min-width: 100%;
    grid-auto-columns: clamp(280px, 24vw, 320px);
    grid-auto-flow: column;
}

.oreilly-about__past-list::before {
    position: absolute;
    top: 25px;
    right: 25px;
    left: 25px;
    height: 1px;
    background: var(--oreilly-color-primary-line);
    content: "";
}

.oreilly-about__past-list article {
    position: relative;
    display: flex;
    min-width: 0;
    padding: 0 28px 8px 0;
    align-items: flex-start;
    flex-direction: column;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

.oreilly-about__past-list article.is-active > span {
    border-color: var(--oreilly-color-primary);
    background: var(--oreilly-color-primary);
    color: var(--oreilly-color-ivory);
    box-shadow: 0 0 0 5px rgba(111, 85, 207, .14);
}

.oreilly-about__past-list article > span {
    position: relative;
    z-index: 1;
    display: grid;
    width: 50px;
    height: 50px;
    flex: 0 0 50px;
    place-items: center;
    border: 1px solid var(--oreilly-color-primary-line);
    border-radius: 50%;
    background: var(--oreilly-color-ivory);
    color: var(--oreilly-color-primary);
    font-size: 11px;
    font-weight: 700;
}

.oreilly-about__past-list article > div {
    max-width: 180px;
    margin-top: 23px;
}

.oreilly-about__past-list h4 {
    margin: 0 0 7px;
    color: var(--oreilly-color-ink);
    font-family: var(--font-secondary);
    font-size: clamp(1.45rem, 1.8vw, 2rem);
    font-weight: 400;
    line-height: 1.15;
}

.oreilly-about__past-list p {
    margin: 0;
    color: #655f70;
    font-size: 14px;
    line-height: 1.5;
}

@media (max-width: 767px) {
    .oreilly-about__past-controls {
        justify-content: space-between;
        margin: 0 0 16px;
    }

    .oreilly-about__past-list {
        grid-auto-columns: 86vw;
    }

    .oreilly-about__past-list article {
        padding-right: 24px;
    }

    .oreilly-about__past-list article > div {
        max-width: min(80vw, 300px);
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .oreilly-about__past-list {
        grid-auto-columns: clamp(240px, 31vw, 280px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .oreilly-about__past-timeline {
        scroll-behavior: auto;
    }

    .oreilly-about__past-control {
        transition: none;
    }
}