.sentinel-history {
	--sentinel-history-surface: #fff;
	--sentinel-history-surface-strong: #fff;
	--sentinel-history-ink: #1f2430;
	--sentinel-history-muted: #5d6270;
	--sentinel-history-accent: #a64b2a;
	--sentinel-history-accent-soft: #d98a5f;
	--sentinel-history-line: rgba(31, 36, 48, 0.14);
	--sentinel-history-shadow: 0 18px 40px rgba(42, 31, 22, 0.08);
	position: relative;
	width: 100%;
	max-width: 100%;
	margin: 2rem 0;
	padding: 0;
	background: transparent;
	overflow: visible;
}

.sentinel-history__shell {
	width: 100%;
	max-width: min(100%, 1100px);
	margin: 0 auto;
}

.sentinel-history__stage {
	display: grid;
	gap: 1.5rem;
}

.sentinel-history__rail-wrap {
	display: grid;
	grid-template-columns: 52px minmax(0, 1fr) 52px;
	gap: 0.75rem;
	align-items: center;
}

.sentinel-history__rail-window {
	position: relative;
	min-width: 0;
	overflow-x: hidden;
	overflow-y: visible;
	padding: 1.25rem 0 0.5rem;
}

.sentinel-history__progress {
	position: absolute;
	top: 45px;
	left: 0;
	right: 0;
	height: 2px;
	background: var(--sentinel-history-line);
}

.sentinel-history__progress-bar {
	display: block;
	height: 100%;
	width: 0;
	background: linear-gradient(90deg, var(--sentinel-history-accent) 0%, var(--sentinel-history-accent-soft) 100%);
	transition: width 320ms ease;
}

.sentinel-history__rail {
	display: grid;
	grid-auto-flow: column;
	grid-auto-columns: calc((100% - 2rem) / 3);
	gap: 1rem;
	overflow-x: hidden;
	padding: 15px 0 0.35rem;
	scrollbar-width: none;
}

.sentinel-history__rail::-webkit-scrollbar {
	display: none;
}

.sentinel-history__dot {
	position: relative;
	display: grid;
	justify-items: center;
	gap: 0.75rem;
	padding: 0.15rem 0.25rem;
	background: transparent;
	border: 0;
	text-align: center;
	color: var(--sentinel-history-muted);
	cursor: pointer;
	transition: color 220ms ease, transform 220ms ease;
}

.sentinel-history__dot::before {
	content: "";
	width: 14px;
	height: 14px;
	border-radius: 50%;
	background: var(--sentinel-history-surface-strong);
	border: 2px solid rgba(31, 36, 48, 0.16);
	box-shadow: 0 0 0 0 rgba(166, 75, 42, 0.16);
	transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease, background-color 220ms ease;
}

.sentinel-history__dot:hover,
.sentinel-history__dot:focus-visible,
.sentinel-history__dot.is-active {
	color: var(--sentinel-history-ink);
	transform: translateY(-2px);
	outline: none;
}

.sentinel-history__dot:hover::before,
.sentinel-history__dot:focus-visible::before,
.sentinel-history__dot.is-active::before {
	background: var(--sentinel-history-accent);
	border-color: var(--sentinel-history-accent);
	transform: scale(1.1);
	box-shadow: 0 0 0 10px rgba(166, 75, 42, 0.12);
}

.sentinel-history__dot-year {
	font-size: clamp(0.95rem, 1.7vw, 1.1rem);
	font-weight: 700;
	line-height: 1.25;
	letter-spacing: -0.02em;
}

.sentinel-history__rail-nav {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 52px;
	height: 52px;
	padding: 0;
	border: 1px solid rgba(31, 36, 48, 0.12);
	border-radius: 999px;
	background: #fff;
	color: var(--sentinel-history-ink);
	font-size: 1.8rem;
	line-height: 1;
	cursor: pointer;
	box-shadow: 0 10px 24px rgba(31, 36, 48, 0.08);
	transition: transform 220ms ease, background-color 220ms ease, color 220ms ease, border-color 220ms ease;
}

.sentinel-history__rail-nav:hover,
.sentinel-history__rail-nav:focus-visible {
	background: var(--sentinel-history-accent);
	border-color: var(--sentinel-history-accent);
	color: #fff;
	transform: translateY(-1px);
	outline: none;
}

.sentinel-history__panels {
	position: relative;
	min-height: 320px;
}

.sentinel-history__panel {
	animation: sentinel-history-rise 420ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.sentinel-history__panel[hidden] {
	display: none !important;
}

.sentinel-history__card {
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
	gap: clamp(1.5rem, 3vw, 2.5rem);
	align-items: start;
	padding: 1rem 0 0;
	border: 0;
	background: transparent;
	box-shadow: none;
}

.sentinel-history__content {
	display: grid;
	align-content: start;
	gap: 1rem;
}

.sentinel-history__eyebrow {
	margin: 0;
	font-size: 0.9rem;
	font-weight: 700;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--sentinel-history-accent);
}

.sentinel-history__copy {
	color: var(--sentinel-history-ink);
	font-size: 1.05rem;
	line-height: 1.7;
}

.sentinel-history__copy > :first-child {
	margin-top: 0;
}

.sentinel-history__copy > :last-child {
	margin-bottom: 0;
}

.sentinel-history__media {
	position: relative;
	min-height: 260px;
	border-radius: 20px;
	overflow: hidden;
	background: linear-gradient(180deg, rgba(166, 75, 42, 0.12), rgba(31, 36, 48, 0.04));
	box-shadow: var(--sentinel-history-shadow);
}

.sentinel-history__media img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

@keyframes sentinel-history-rise {
	from {
		opacity: 0;
		transform: translate3d(32px, 0, 0);
	}

	to {
		opacity: 1;
		transform: translate3d(0, 0, 0);
	}
}

@media (max-width: 780px) {
	.sentinel-history {
		margin: 1.5rem 0;
	}

	.sentinel-history__rail-wrap {
		grid-template-columns: 44px minmax(0, 1fr) 44px;
		gap: 0.5rem;
	}

	.sentinel-history__rail {
		grid-auto-columns: 100%;
	}

	.sentinel-history__rail-nav {
		width: 44px;
		height: 44px;
		font-size: 1.5rem;
	}

	.sentinel-history__card {
		grid-template-columns: 1fr;
		padding-top: 1rem;
	}

	.sentinel-history__panels {
		min-height: 0;
	}

	.sentinel-history__media {
		order: -1;
		min-height: 220px;
	}
}