/* Zeitstrahldarstellung der regulären Geschichtsseite. */
.timeline {
    max-width: 76rem;
    margin-inline: auto;
}

.timeline__header {
    max-width: 50rem;
    margin: 0 auto 2rem;
    text-align: center;
}

.timeline__header h1 {
    margin: 1rem 0;
}

.timeline__brick-band {
    width: min(100%, 60rem);
    height: 4.25rem;
    margin: 0 auto clamp(3rem, 7vw, 5rem);
    background: url('../images/timeline-klinker.svg') repeat-x center / 15rem 4.25rem;
    mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}

.timeline__list {
    position: relative;
    margin: 0;
    padding: 0;
    list-style: none;
}

.timeline__list + .timeline__brick-band {
    margin: clamp(2rem, 4vw, 3rem) auto;
}

.timeline__list::before {
    position: absolute;
    inset: 0 auto 0 50%;
    width: 2px;
    background: var(--apo-green);
    content: '';
    transform: translateX(-50%);
}

.timeline__event {
    position: relative;
    width: 50%;
    margin: 0;
    padding: 0 2.5rem 3rem 0;
}

.timeline__event:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 3rem 2.5rem;
}

.timeline__event::before {
    position: absolute;
    top: 1.5rem;
    right: -0.55rem;
    z-index: 1;
    width: 1.1rem;
    height: 1.1rem;
    border: 0.25rem solid #fff;
    border-radius: 50%;
    background: var(--apo-green);
    box-shadow: 0 0 0 1px var(--apo-green);
    content: '';
}

.timeline__event:nth-child(even)::before {
    right: auto;
    left: -0.55rem;
}

.timeline__card {
    padding: clamp(1.25rem, 3vw, 2rem);
    border-top: 0.25rem solid var(--apo-green);
    background: var(--apo-green-light);
}

.timeline__period {
    display: inline-block;
    margin: 0 0 0.75rem;
    padding: 0.35rem 0.65rem;
    color: #fff;
    background: var(--apo-green);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.timeline__card h2 {
    margin: 0 0 0.75rem;
    color: var(--apo-green);
    font-size: clamp(1.3rem, 2.4vw, 1.75rem);
}

.timeline__highlights {
    margin-block: 1.25rem;
}

.timeline__gallery {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--apo-gap);
    margin-top: 1.5rem;
}

.timeline__gallery figure {
    margin: 0;
}

.timeline__gallery figure:only-child {
    grid-column: 1 / -1;
    width: min(100%, 32rem);
    margin-inline: auto;
}

.timeline__gallery .timeline__figure--compact {
    width: min(100%, 20rem);
}

.timeline__gallery img {
    display: block;
    width: 100%;
    border-radius: var(--apo-radius-image);
    box-shadow: 0 0.65rem 1.5rem rgba(5, 133, 80, 0.14);
}

.timeline__gallery figcaption {
    margin-top: 0.5rem;
    color: var(--apo-text-muted);
    font-size: 0.75rem;
    line-height: 1.4;
}

.timeline__note {
    margin-top: 1.5rem;
    padding: 1rem;
    border-left: 0.25rem solid var(--apo-green);
    background: #fff;
}

.timeline__sources {
    max-width: 54rem;
    margin: 0 auto;
}

.timeline__sources h2 {
    margin-top: 0;
    color: var(--apo-green);
}

@media (max-width: 760px) {
    .timeline__header {
        text-align: left;
    }

    .timeline__list::before {
        right: auto;
        left: 0.55rem;
        transform: none;
    }

    .timeline__event,
    .timeline__event:nth-child(even) {
        width: 100%;
        margin-left: 0;
        padding: 0 0 2rem 2.5rem;
    }

    .timeline__event::before,
    .timeline__event:nth-child(even)::before {
        right: auto;
        left: 0;
    }

    .timeline__gallery {
        grid-template-columns: 1fr;
    }
}