:root,
:root[data-theme="light"] {
	color-scheme: light dark;
	--bg: #f1f0eb;
	--surface: #e7e6df;
	--text: #171916;
	--muted: #65685f;
	--line: #c9c9c0;
	--overlay: rgb(241 240 235 / 92%);
	--accent: #537800;
	--focus: #3867ff;
	--content-width: 1240px;
	font-family:
		Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
		"Segoe UI", sans-serif;
	font-synthesis: none;
}

:root[data-theme="light"] {
	color-scheme: light;
}

:root[data-theme="dark"] {
	color-scheme: dark;
	--bg: #101110;
	--surface: #191b18;
	--text: #edeee9;
	--muted: #a3a79d;
	--line: #33362f;
	--overlay: rgb(16 17 16 / 92%);
	--accent: #c8ff48;
	--focus: #8dacff;
}

@media (prefers-color-scheme: dark) {
	:root:not([data-theme]) {
		--bg: #101110;
		--surface: #191b18;
		--text: #edeee9;
		--muted: #a3a79d;
		--line: #33362f;
		--overlay: rgb(16 17 16 / 92%);
		--accent: #c8ff48;
		--focus: #8dacff;
	}
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	min-width: 320px;
	background: var(--bg);
	color: var(--text);
}

body {
	min-height: 100vh;
	margin: 0;
}

a {
	color: inherit;
}

img,
svg {
	display: block;
}

.site-shell {
	display: grid;
	grid-template-rows: auto 1fr auto;
	width: min(calc(100% - 48px), var(--content-width));
	min-height: 100vh;
	margin-inline: auto;
}

.site-header,
.site-footer {
	display: flex;
	align-items: center;
	min-height: 88px;
}

.site-header {
	justify-content: center;
	position: relative;
}

.header-actions {
	position: absolute;
	right: 0;
	display: flex;
	align-items: center;
	gap: 12px;
}

.language-switch {
	display: flex;
	align-items: center;
	gap: 2px;
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.75rem;
}

.language-switch a {
	padding: 8px 5px;
	border-radius: 3px;
	color: var(--muted);
	text-decoration: none;
}

.language-switch a[aria-current="page"] {
	color: var(--text);
	font-weight: 700;
}

.language-switch a:hover {
	background: var(--surface);
}

.theme-toggle {
	display: grid;
	width: 40px;
	height: 40px;
	place-items: center;
	padding: 0;
	border: 0;
	border-radius: 50%;
	background: transparent;
	color: var(--text);
	cursor: pointer;
}

.theme-toggle[hidden] {
	display: none;
}

.theme-toggle:hover {
	background: var(--surface);
}

.theme-toggle svg {
	width: 20px;
	height: 20px;
	fill: none;
	stroke: currentColor;
	stroke-linecap: round;
	stroke-linejoin: round;
	stroke-width: 1.8;
}

.theme-toggle__sun,
[data-theme="dark"] .theme-toggle__moon {
	display: none;
}

[data-theme="dark"] .theme-toggle__sun {
	display: block;
}

.wordmark {
	color: var(--text);
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 1.25rem;
	font-weight: 700;
	letter-spacing: -0.06em;
	text-decoration: none;
}

.wordmark span {
	color: var(--accent);
}

main {
	display: grid;
	align-items: center;
}

.project-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: clamp(10px, 1.2vw, 18px);
	width: 100%;
	padding-block: 16px 40px;
}

.project-card {
	position: relative;
	isolation: isolate;
	aspect-ratio: 1;
	overflow: hidden;
	border: 1px solid var(--line);
	border-radius: 3px;
	background: var(--surface);
	color: var(--text);
	text-decoration: none;
}

.project-card > img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: filter 360ms ease;
}

.project-card::before {
	position: absolute;
	z-index: 1;
	inset: 0;
	background: var(--overlay);
	content: "";
	opacity: 0;
	pointer-events: none;
	transition: opacity 280ms ease;
}

.project-card__caption {
	position: absolute;
	z-index: 2;
	inset: auto 0 0;
	display: grid;
	gap: 0.45rem;
	padding: clamp(16px, 2vw, 24px);
	transform: translateY(calc(100% - 4px));
	transition: transform 280ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

.project-card__caption strong {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: clamp(1.05rem, 1.5vw, 1.35rem);
	letter-spacing: -0.04em;
}

.project-card__caption > span {
	max-width: 30ch;
	color: var(--muted);
	font-size: 0.88rem;
	line-height: 1.42;
}

.external-mark {
	display: inline-block;
	margin-left: 0.35em;
	color: var(--accent);
	font-family: inherit;
	font-size: 0.78em;
	transition: transform 180ms ease;
}

.project-card:is(:hover, :focus-visible) > img {
	filter: saturate(0.72) contrast(0.92);
}

.project-card:is(:hover, :focus-visible)::before {
	opacity: 0.8;
}

.project-card:is(:hover, :focus-visible) .project-card__caption {
	transform: translateY(0);
}

.project-card:is(:hover, :focus-visible) .external-mark {
	transform: translate(2px, -2px);
}

.project-card:focus-visible,
.social-links a:focus-visible,
.wordmark:focus-visible,
.language-switch a:focus-visible,
.theme-toggle:focus-visible,
.skip-link:focus-visible {
	outline: 3px solid var(--focus);
	outline-offset: 3px;
}

.site-footer {
	justify-content: space-between;
	border-top: 1px solid var(--line);
	color: var(--muted);
}

.social-links {
	display: flex;
	gap: 8px;
}

.social-links a {
	display: grid;
	width: 40px;
	height: 40px;
	place-items: center;
	border-radius: 50%;
	color: var(--text);
}

.social-links a:hover {
	background: var(--surface);
}

.social-links svg {
	width: 20px;
	height: 20px;
	fill: currentColor;
}

.page-heading,
.notes-index,
.note {
	width: min(100%, 820px);
	margin-inline: auto;
}

.page-heading {
	margin-bottom: clamp(36px, 6vw, 72px);
}

.page-heading h1 {
	margin: 0.3em 0 0.2em;
	font-size: clamp(2.6rem, 8vw, 6rem);
	font-weight: 650;
	letter-spacing: -0.075em;
	line-height: 0.95;
}

.page-heading > p:not(.eyebrow),
.page-heading time {
	color: var(--muted);
}

.eyebrow {
	margin: 0;
	color: var(--muted);
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.8rem;
	text-transform: uppercase;
}

.eyebrow a {
	text-decoration: none;
}

.eyebrow a:hover {
	color: var(--text);
}

.notes-index,
.note {
	padding: clamp(48px, 8vw, 96px) 0;
}

.note-list {
	margin: 0;
	padding: 0;
	border-top: 1px solid var(--line);
	list-style: none;
}

.note-list a {
	display: grid;
	grid-template-columns: 8rem 1fr auto;
	gap: 24px;
	align-items: start;
	padding: 22px 4px;
	border-bottom: 1px solid var(--line);
	text-decoration: none;
}

.note-list a:hover strong {
	color: var(--accent);
}

.note-list time,
.note-list small {
	color: var(--muted);
	font-size: 0.82rem;
}

.note-list span {
	display: grid;
	gap: 6px;
}

.prose {
	font-family: Georgia, "Times New Roman", serif;
	font-size: clamp(1.05rem, 1.5vw, 1.2rem);
	line-height: 1.72;
}

.prose :is(h2, h3, h4) {
	margin-top: 2em;
	font-family: Inter, ui-sans-serif, system-ui, sans-serif;
	letter-spacing: -0.035em;
	line-height: 1.2;
}

.prose a {
	color: var(--accent);
	text-underline-offset: 0.16em;
}

.prose img,
.prose iframe {
	max-width: 100%;
}

.prose table {
	display: block;
	width: 100%;
	overflow-x: auto;
	border-collapse: collapse;
	font-family: Inter, ui-sans-serif, system-ui, sans-serif;
	font-size: 0.9rem;
}

.prose :is(th, td) {
	padding: 10px 14px;
	border-bottom: 1px solid var(--line);
	text-align: left;
	vertical-align: top;
}

.prose mjx-container[display="true"] {
	overflow-x: auto;
	overflow-y: hidden;
}

.prose pre {
	overflow-x: auto;
	padding: 18px;
	border: 1px solid var(--line);
	border-radius: 3px;
	background: var(--surface) !important;
	font-size: 0.85rem;
	line-height: 1.55;
}

.prose code:not(pre code) {
	padding: 0.12em 0.3em;
	border-radius: 3px;
	background: var(--surface);
	font-size: 0.88em;
}

.skip-link {
	position: fixed;
	z-index: 10;
	top: 12px;
	left: 12px;
	padding: 10px 14px;
	background: var(--bg);
	transform: translateY(-150%);
}

.skip-link:focus {
	transform: translateY(0);
}

.visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	clip-path: inset(50%);
	white-space: nowrap;
}

@media (max-width: 900px) {
	.project-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 560px) {
	.site-shell {
		width: min(calc(100% - 28px), var(--content-width));
	}

	.site-header,
	.site-footer {
		min-height: 72px;
	}

	.project-grid {
		gap: 10px;
	}

	.project-card__caption {
		padding: 12px;
	}

	.project-card__caption > span {
		display: none;
	}

	.note-list a {
		grid-template-columns: 1fr auto;
		gap: 10px;
	}

	.note-list time {
		grid-column: 1 / -1;
	}
}

@media (hover: none) {
	.project-card::before {
		opacity: 0.8;
	}

	.project-card__caption {
		transform: translateY(0);
	}
}

@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
	}
}