/* pw/sequence: history timeline (rail + dots, optional photo) or numbered steps. */

.pw-sequence__heading {
	margin-bottom: var(--space-6);
}

.pw-sequence__intro {
	margin-bottom: var(--space-6);
}

.pw-sequence__list {
	margin: 0;
	padding: 0;
	list-style: none;
	counter-reset: pw-step;
}

.pw-sequence__label {
	margin: 0 0 var(--space-2);
	font-size: var(--text-h3);
	line-height: var(--lh-snug);
}

.pw-sequence__text {
	margin: 0;
	max-width: 52rem;
}

.pw-sequence__image {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 4 / 3;
	object-fit: cover;
}

.pw-sequence__media .pw-eyebrow-rule::before {
	margin: var(--space-4) 0 0;
}

/* Timeline */

.pw-sequence--timeline .pw-sequence__layout {
	display: grid;
	gap: var(--space-6);
}

.pw-sequence--timeline .pw-sequence__list {
	position: relative;
	padding-left: var(--space-6);
}

.pw-sequence--timeline .pw-sequence__list::before {
	content: "";
	position: absolute;
	top: 0.75rem;
	bottom: 0.75rem;
	left: 0.2rem;
	width: 2px;
	background-color: var(--colour-text-secondary);
	opacity: 0.55;
}

.pw-sequence--timeline .pw-sequence__item {
	position: relative;
	padding-bottom: var(--space-6);
}

.pw-sequence--timeline .pw-sequence__item:last-child {
	padding-bottom: 0;
}

.pw-sequence--timeline .pw-sequence__item::before {
	content: "";
	position: absolute;
	top: 0.6rem;
	left: calc(-1 * var(--space-6) - 0.1rem);
	width: 0.5rem;
	height: 0.5rem;
	border-radius: var(--radius-round);
	background-color: var(--colour-red);
}

.pw-sequence--timeline .pw-sequence__label {
	font-size: var(--text-h3);
}

/* Steps */

.pw-sequence--steps .pw-sequence__list {
	display: grid;
	gap: 0;
	border-top: var(--border);
}

.pw-sequence--steps .pw-sequence__item {
	counter-increment: pw-step;
	padding-block: var(--space-5);
	border-bottom: var(--border);
}

.pw-sequence--steps .pw-sequence__item::before {
	content: counter(pw-step);
	display: block;
	margin-bottom: var(--space-3);
	color: var(--colour-text-secondary);
	font-family: var(--font-heading);
	font-size: var(--text-h3);
	font-weight: var(--weight-medium);
	line-height: 1;
}

.pw-sequence--steps .pw-sequence__label {
	margin: 0;
	font-size: var(--text-h4);
}

@media (min-width: 56.25em) {
	.pw-sequence--timeline.pw-sequence--with-media .pw-sequence__layout {
		grid-template-columns: 440px 1fr;
		gap: var(--space-11);
		align-items: start;
	}

	.pw-sequence--timeline .pw-sequence__media {
		position: sticky;
		top: calc(var(--header-height-compact) + var(--space-6));
	}

	.pw-sequence--timeline .pw-sequence__list {
		padding-left: var(--space-6);
	}

	.pw-sequence--steps .pw-sequence__list {
		grid-template-columns: repeat(var(--pw-cols, 4), minmax(0, 1fr));
		gap: var(--space-6);
	}

	.pw-sequence--steps .pw-sequence__item {
		border-bottom: 0;
		padding-bottom: 0;
	}

	.pw-sequence--cols-2 { --pw-cols: 2; }
	.pw-sequence--cols-3 { --pw-cols: 3; }
	.pw-sequence--cols-4 { --pw-cols: 4; }
}