/* WWI Timeline: inherits the WWI theme tokens, with fallbacks for other themes. */
.wwi-timeline {
	--tl-accent: var(--wwi-red, #762b36);
	--tl-ink: var(--wwi-ink, #282522);
	--tl-muted: var(--wwi-muted, #716b63);
	--tl-line: var(--wwi-border, #e3dcd0);
	--tl-card: var(--wwi-surface, #fffdf9);
	--tl-paper: var(--wwi-paper, #f7f4ee);
	--tl-focus: var(--wwi-focus, #ad702f);
	--tl-gutter: 56px;
	margin: 32px auto;
	max-width: 1140px;
	color: var(--tl-ink);
}

.wwi-timeline__heading {
	margin: 0 0 28px;
	text-align: center;
}

.wwi-timeline__list {
	position: relative;
	margin: 0;
	padding: 4px 0;
	list-style: none;
}

/* Centre line. */
.wwi-timeline__list::before {
	content: "";
	position: absolute;
	top: 0;
	bottom: 0;
	left: 50%;
	width: 2px;
	margin-left: -1px;
	background: var(--tl-line);
}

.wwi-timeline__item {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 1fr) var(--tl-gutter) minmax(0, 1fr);
	margin: 0 0 24px;
	padding: 0;
}

.wwi-timeline__item[hidden] {
	display: none;
}

.wwi-timeline__item.is-revealed {
	animation: wwi-timeline-in 0.35s ease-out both;
}

@keyframes wwi-timeline-in {
	from { opacity: 0; transform: translateY(12px); }
}

.wwi-timeline__year {
	grid-column: 1 / -1;
	grid-row: 1;
	justify-self: center;
	position: relative;
	z-index: 1;
	margin: 8px 0 22px;
	font-family: Georgia, "Times New Roman", serif;
	font-size: 1.15rem;
	font-weight: 400;
	line-height: 1;
	letter-spacing: 0.02em;
}

.wwi-timeline__year span {
	display: inline-block;
	padding: 8px 18px;
	border-radius: 6px;
	background: var(--tl-accent);
	color: #fff;
}

.wwi-timeline__dot {
	grid-column: 2;
	grid-row: 2;
	justify-self: center;
	position: relative;
	z-index: 1;
	width: 16px;
	height: 16px;
	margin-top: 20px;
	border: 3px solid var(--tl-accent);
	border-radius: 50%;
	background: var(--tl-paper);
	box-sizing: border-box;
}

.wwi-timeline__card {
	grid-row: 2;
	position: relative;
	padding: 18px 22px;
	border: 1px solid var(--tl-line);
	border-radius: 12px;
	background: var(--tl-card);
	box-shadow: 0 1px 2px rgba(40, 37, 34, 0.04);
	font-size: 1rem;
	line-height: 1.6;
}

.is-right .wwi-timeline__card { grid-column: 3; }
.is-left .wwi-timeline__card { grid-column: 1; }

/* Arrow pointing at the line. */
.wwi-timeline__card::before {
	content: "";
	position: absolute;
	top: 22px;
	width: 12px;
	height: 12px;
	border: solid var(--tl-line);
	background: var(--tl-card);
	transform: rotate(45deg);
}

.is-right .wwi-timeline__card::before {
	left: -7px;
	border-width: 0 0 1px 1px;
}

.is-left .wwi-timeline__card::before {
	right: -7px;
	border-width: 1px 1px 0 0;
}

.wwi-timeline__card:focus {
	outline: none;
}

.wwi-timeline__card:focus-visible {
	outline: 2px solid var(--tl-focus);
	outline-offset: 3px;
}

.wwi-timeline__title {
	margin: 0 0 8px;
	font-family: Georgia, "Times New Roman", serif;
	font-size: 1.15rem;
	line-height: 1.3;
}

.wwi-timeline__media {
	margin: 0 0 14px;
}

.wwi-timeline__img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 8px;
}

.wwi-timeline__text > :first-child { margin-top: 0; }
.wwi-timeline__text > :last-child { margin-bottom: 0; }

.wwi-timeline__more {
	position: relative;
	z-index: 1;
	margin-top: 8px;
	text-align: center;
}

.wwi-timeline__button {
	padding: 10px 26px;
	border: 1px solid var(--tl-accent);
	border-radius: 7px;
	background: var(--tl-accent);
	color: #fff;
	font: inherit;
	font-weight: 600;
	cursor: pointer;
}

.wwi-timeline__button:hover {
	background: var(--tl-card);
	color: var(--tl-accent);
}

.wwi-timeline__button:focus-visible {
	outline: 2px solid var(--tl-focus);
	outline-offset: 3px;
}

.wwi-timeline__status {
	margin: 10px 0 0;
	color: var(--tl-muted);
	font-size: 0.875rem;
}

/* Single column: the "left" layout everywhere, and the alternating layout on narrow screens. */
.wwi-timeline--left {
	--tl-gutter: 40px;
}

.wwi-timeline--left .wwi-timeline__list::before {
	left: 20px;
}

.wwi-timeline--left .wwi-timeline__item {
	grid-template-columns: var(--tl-gutter) minmax(0, 1fr);
}

.wwi-timeline--left .wwi-timeline__year {
	justify-self: start;
}

.wwi-timeline--left .wwi-timeline__dot {
	grid-column: 1;
}

.wwi-timeline--left .wwi-timeline__item .wwi-timeline__card {
	grid-column: 2;
}

.wwi-timeline--left .wwi-timeline__card::before {
	right: auto;
	left: -7px;
	border-width: 0 0 1px 1px;
}

@media (max-width: 700px) {
	.wwi-timeline--alternate {
		--tl-gutter: 32px;
	}

	.wwi-timeline--alternate .wwi-timeline__list::before {
		left: 16px;
	}

	.wwi-timeline--alternate .wwi-timeline__item {
		grid-template-columns: var(--tl-gutter) minmax(0, 1fr);
	}

	.wwi-timeline--alternate .wwi-timeline__year {
		justify-self: start;
	}

	.wwi-timeline--alternate .wwi-timeline__dot {
		grid-column: 1;
	}

	.wwi-timeline--alternate .wwi-timeline__item .wwi-timeline__card {
		grid-column: 2;
	}

	.wwi-timeline--alternate .wwi-timeline__card::before {
		right: auto;
		left: -7px;
		border-width: 0 0 1px 1px;
	}

	.wwi-timeline__card {
		padding: 16px 18px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.wwi-timeline__item.is-revealed {
		animation: none;
	}
}