.sfi-chart {
	border: 1px solid #111;
	border-radius: 18px;
	margin: 2rem 0;
	padding: clamp(20px, 4vw, 36px);
}

.sfi-chart figcaption {
	margin-bottom: 24px;
}

.sfi-chart figcaption strong,
.sfi-chart figcaption span {
	display: block;
}

.sfi-chart figcaption span {
	color: #666;
	font-size: .85em;
	margin-top: 4px;
}

.sfi-chart-row {
	align-items: center;
	display: grid;
	gap: 12px;
	grid-template-columns: minmax(180px, 1fr) minmax(140px, 2fr) 32px;
	margin: 12px 0;
}

.sfi-chart-row > span {
	font-size: .85em;
}

.sfi-chart-row > div {
	background: #e9e9e7;
	height: 10px;
	overflow: hidden;
}

.sfi-chart-row i {
	background: #111;
	display: block;
	height: 100%;
}

.sfi-chart-row strong {
	font-size: .85em;
	text-align: right;
}

.sfi-chart-table {
	border-collapse: collapse;
	position: absolute;
	height: 1px;
	width: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}

header nav a[href*="sarteri.substack.com/subscribe"] {
	border: 1px solid #111;
	border-radius: 999px;
	padding: .45em .85em;
	transition: background-color .2s ease, color .2s ease;
}

header nav a[href*="sarteri.substack.com/subscribe"]:hover,
header nav a[href*="sarteri.substack.com/subscribe"]:focus {
	background: #111;
	color: #fff;
}

.sfi-public-shell {
	box-sizing: border-box;
	margin: 0 auto;
	max-width: 1240px;
	padding: clamp(48px, 8vw, 112px) clamp(20px, 5vw, 72px);
	width: 100%;
}

.sfi-public-hero {
	border-bottom: 1px solid #111;
	margin-bottom: clamp(40px, 6vw, 72px);
	padding-bottom: clamp(36px, 5vw, 64px);
}

.sfi-kicker,
.sfi-card-meta,
.sfi-single-meta {
	font-size: .78rem;
	font-weight: 700;
	letter-spacing: .11em;
	margin: 0 0 14px;
	text-transform: uppercase;
}

.sfi-public-hero h1,
.sfi-single-header h1 {
	font-size: clamp(2.75rem, 8vw, 6.8rem);
	letter-spacing: -.055em;
	line-height: .94;
	margin: 0;
	max-width: 1080px;
}

.sfi-public-deck {
	font-size: clamp(1.08rem, 2vw, 1.45rem);
	line-height: 1.55;
	margin: 28px 0 0;
	max-width: 820px;
}

.sfi-public-actions,
.sfi-index-actions {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	gap: 18px;
	margin-top: 30px;
}

.sfi-outline-link {
	border: 1px solid #111;
	border-radius: 999px;
	color: #111;
	display: inline-block;
	font-weight: 700;
	padding: 11px 18px;
	text-decoration: none;
	transition: background-color .2s ease, color .2s ease;
}

.sfi-outline-link:hover,
.sfi-outline-link:focus {
	background: #111;
	color: #fff;
}

.sfi-text-link,
.sfi-card-link {
	color: #111;
	font-weight: 700;
	text-decoration-thickness: 1px;
	text-underline-offset: 4px;
}

.sfi-archive-grid,
.sfi-briefing-grid {
	display: grid;
	gap: clamp(24px, 4vw, 44px);
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sfi-archive-card,
.sfi-briefing-card {
	border-top: 1px solid #111;
	margin: 0;
	padding-top: 20px;
}

.sfi-archive-card:first-child {
	grid-column: 1 / -1;
}

.sfi-card-image {
	display: block;
	margin-bottom: 24px;
	overflow: hidden;
}

.sfi-card-image img {
	aspect-ratio: 16 / 8;
	display: block;
	height: auto;
	object-fit: cover;
	transition: transform .35s ease;
	width: 100%;
}

.sfi-card-image:hover img {
	transform: scale(1.015);
}

.sfi-archive-card h2,
.sfi-briefing-card h3 {
	font-size: clamp(1.45rem, 3vw, 2.35rem);
	letter-spacing: -.035em;
	line-height: 1.08;
	margin: 0 0 16px;
}

.sfi-archive-card h2 a,
.sfi-briefing-card h3 a {
	color: inherit;
	text-decoration: none;
}

.sfi-archive-card h2 a:hover,
.sfi-briefing-card h3 a:hover {
	text-decoration: underline;
	text-decoration-thickness: 1px;
	text-underline-offset: 5px;
}

.sfi-archive-card p,
.sfi-briefing-card p {
	line-height: 1.65;
}

.sfi-pagination {
	margin-top: 56px;
}

.sfi-briefings-index {
	border-bottom: 1px solid #111;
	border-top: 1px solid #111;
	margin: clamp(42px, 7vw, 88px) 0;
	padding: clamp(36px, 6vw, 68px) 0;
}

.sfi-section-heading {
	margin-bottom: 34px;
	max-width: 820px;
}

.sfi-section-heading h2 {
	font-size: clamp(2rem, 5vw, 4.3rem);
	letter-spacing: -.05em;
	line-height: 1;
	margin: 0 0 18px;
}

.sfi-section-heading > p:last-child {
	font-size: 1.08rem;
	line-height: 1.6;
}

.sfi-breadcrumbs {
	align-items: center;
	display: flex;
	flex-wrap: wrap;
	font-size: .88rem;
	gap: 8px;
	margin-bottom: clamp(36px, 6vw, 72px);
}

.sfi-breadcrumbs a {
	color: inherit;
	text-underline-offset: 3px;
}

.sfi-single-shell {
	max-width: 1120px;
}

.sfi-single-header,
.sfi-single-image,
.sfi-single-content,
.sfi-single-footer {
	margin-left: auto;
	margin-right: auto;
	max-width: 820px;
}

.sfi-single-header {
	border-bottom: 1px solid #111;
	margin-bottom: 42px;
	padding-bottom: 36px;
}

.sfi-single-header h1 {
	font-size: clamp(2.6rem, 7vw, 5.8rem);
}

.sfi-single-meta {
	gap: .45em;
	letter-spacing: .06em;
	margin-top: 24px;
}

.sfi-single-meta p {
	margin: 0;
}

.sfi-single-image {
	margin-bottom: 42px;
}

.sfi-single-image img {
	height: auto;
	width: 100%;
}

.sfi-single-content {
	font-size: clamp(1rem, 1.4vw, 1.12rem);
	line-height: 1.75;
}

.sfi-single-content h2 {
	border-top: 1px solid #111;
	font-size: clamp(1.7rem, 4vw, 2.75rem);
	letter-spacing: -.035em;
	line-height: 1.12;
	margin-top: 64px;
	padding-top: 28px;
}

.sfi-single-content h3 {
	font-size: clamp(1.25rem, 2vw, 1.65rem);
	margin-top: 34px;
}

.sfi-single-content blockquote {
	border-left: 3px solid #111;
	margin: 28px 0;
	padding-left: 24px;
}

.sfi-single-footer {
	border: 1px solid #111;
	margin-top: clamp(56px, 8vw, 96px);
	padding: clamp(26px, 5vw, 48px);
}

.sfi-single-footer h2 {
	font-size: clamp(1.8rem, 4vw, 3rem);
	letter-spacing: -.04em;
	line-height: 1;
	margin: 0 0 18px;
}

.sfi-empty-state {
	border: 1px solid #111;
	padding: clamp(28px, 5vw, 52px);
}

@media (max-width: 640px) {
	header nav a[href*="sarteri.substack.com/subscribe"] {
		border: 0;
		padding: inherit;
	}

	.sfi-chart-row {
		grid-template-columns: 1fr 28px;
	}

	.sfi-chart-row > div {
		grid-column: 1 / -1;
		grid-row: 2;
	}

	.sfi-archive-grid,
	.sfi-briefing-grid {
		grid-template-columns: 1fr;
	}

	.sfi-archive-card:first-child {
		grid-column: auto;
	}

	.sfi-public-actions {
		align-items: flex-start;
		flex-direction: column;
	}
}