:root {
	--bg: #ffffff;
	--bg-subtle: #f6f7f9;
	--bg-emphasis: #f1f2f6;
	--fg: #090e24;
	--fg-soft: #3c3d3d;
	--fg-muted: #757676;
	--accent: #283cff;
	--border: #e7eaf1;
	--line: #e6e7e7;
	--error: #e5371b;
	--radius: 12px;
	--radius-pill: 20px;
	color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #121212;
		--bg-subtle: #1c1c1c;
		--bg-emphasis: #1f1f22;
		--fg: #e2e8f0;
		--fg-soft: #d0d1d1;
		--fg-muted: #8f9090;
		--accent: #7d8bff;
		--border: rgba(255, 255, 255, .14);
		--line: rgba(255, 255, 255, .2);
		--error: #ff7a64;
	}
}

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

body {
	margin: 0;
	font: 16px/1.6 system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--fg);
	background: var(--bg);
	overflow-wrap: break-word;
	-webkit-font-smoothing: antialiased;
}

a {
	color: inherit;
	text-decoration: underline;
	text-decoration-color: var(--line);
	text-underline-offset: .25em;
	transition: text-decoration-color .2s;
}

a:hover {
	text-decoration-color: currentColor;
}

img {
	max-width: 100%;
	height: auto;
}

h1, h2, h3 {
	font-weight: 600;
	letter-spacing: -.03em;
	line-height: 1.25;
}

.muted {
	color: var(--fg-muted);
	font-size: 14px;
}

/* a narrow column with wide margins, as on a personal site */
.site {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	max-width: 60em;
	margin: 0 auto;
	padding: 80px;
}

.header {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 16px 24px;
}

.brand {
	display: flex;
	align-items: center;
	gap: 12px;
	text-decoration: none;
}

.brand__mark {
	display: grid;
	place-items: center;
	flex: none;
	width: 40px;
	height: 40px;
	overflow: hidden;
	border-radius: var(--radius);
	background: var(--fg);
	color: var(--bg);
	font-weight: 600;
	font-size: 18px;
}

.brand__mark img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	background: var(--bg);
}

.brand__info {
	display: grid;
	line-height: 1.3;
}

.brand__name {
	font-weight: 500;
}

.brand__tagline {
	color: var(--fg-muted);
	font-size: 14px;
}

.menu__list {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
	margin: 0;
	padding: 0;
	list-style: none;
}

/* the nested items open under their parent on hover or focus */
.menu__item {
	position: relative;
}

.menu__item > .menu__list {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	z-index: 10;
	flex-direction: column;
	min-width: 200px;
	padding: 6px;
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: 0 8px 24px rgba(0, 0, 0, .08);
}

.menu__item:hover > .menu__list, .menu__item:focus-within > .menu__list {
	display: flex;
}

.menu__link {
	display: block;
	padding: 6px 14px;
	border-radius: var(--radius-pill);
	font-size: 14px;
	font-weight: 500;
	text-decoration: none;
	transition: background-color .2s, transform .2s;
}

.menu__link:hover, .menu__item.is-active > .menu__link {
	background: var(--bg-emphasis);
}

.menu__link:active {
	transform: scale(.95);
}

.menu__heading {
	display: block;
	padding: 6px 14px;
	color: var(--fg-muted);
	font-size: 12px;
}

.menu__separator {
	border: 0;
	border-top: 1px solid var(--border);
	margin: 4px 0;
}

.main {
	flex: 1;
	padding-block: 96px 0;
}

.hero {
	display: grid;
	justify-items: start;
	gap: 8px;
	margin-bottom: 80px;
}

.hero__title {
	margin: 0;
	font-size: 28px;
}

.hero__lead {
	margin: 0;
	max-width: 36em;
	color: var(--fg-soft);
	font-size: 18px;
}

.hero__code {
	margin: 0;
	color: var(--accent);
	font-size: 14px;
	font-weight: 600;
	letter-spacing: .08em;
}

.hero .button {
	margin-top: 16px;
}

.section__title {
	margin: 0 0 24px;
	font-size: 24px;
}

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

.entry {
	padding-block: 16px;
	border-bottom: 1px solid var(--border);
}

.entry__link {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	gap: 4px 16px;
	text-decoration: none;
}

.entry__title {
	font-weight: 600;
	letter-spacing: -.15px;
	transition: color .2s;
}

.entry__link:hover .entry__title {
	color: var(--accent);
}

.entry__date {
	color: var(--fg-muted);
	font-size: 14px;
	white-space: nowrap;
}

.entry__excerpt {
	margin: 4px 0 0;
	color: var(--fg-soft);
	font-size: 14px;
}

.article__header {
	display: grid;
	gap: 4px;
	margin-bottom: 40px;
}

.article__title {
	margin: 0;
	font-size: 28px;
}

.content {
	color: var(--fg-soft);
}

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

.content h2 {
	margin: 48px 0 16px;
	color: var(--fg);
	font-size: 24px;
}

.content h3 {
	margin: 32px 0 12px;
	color: var(--fg);
	font-size: 20px;
}

.content img {
	border-radius: var(--radius);
}

.content blockquote {
	margin: 24px 0;
	padding: 4px 0 4px 20px;
	border-left: 2px solid var(--line);
}

.content pre, .content code {
	background: var(--bg-subtle);
	border-radius: 6px;
	font-size: 14px;
}

.content code {
	padding: 2px 6px;
}

.content pre {
	padding: 16px;
	overflow-x: auto;
}

.content pre code {
	padding: 0;
}

.footer {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 12px 24px;
	margin-top: 120px;
	padding-top: 24px;
	border-top: 1px solid var(--border);
	color: var(--fg-muted);
	font-size: 14px;
}

.menu--footer .menu__link {
	padding-inline: 10px;
	font-weight: 400;
	color: var(--fg-muted);
}

.menu--footer .menu__item > .menu__list {
	top: auto;
	bottom: 100%;
}

.comments {
	margin-top: 80px;
}

.comments__title {
	display: flex;
	align-items: baseline;
	gap: 8px;
	margin: 0 0 24px;
	font-size: 24px;
}

.comments__list {
	margin: 0;
	padding: 0;
	list-style: none;
}

.comment .comments__list {
	margin-top: 8px;
	padding-left: 20px;
	border-left: 1.5px solid var(--border);
}

.comment {
	padding-block: 12px;
}

.comment__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: baseline;
}

.comment__content {
	margin-top: 4px;
	color: var(--fg-soft);
}

.comment__reply {
	margin-top: 4px;
	padding: 0;
	border: 0;
	background: none;
	color: var(--fg-muted);
	font: inherit;
	font-size: 14px;
	text-decoration: underline;
	text-decoration-color: var(--line);
	text-underline-offset: .25em;
	cursor: pointer;
}

.comment__reply:hover {
	color: var(--fg);
}

.comment-form {
	display: grid;
	gap: 16px;
	margin-top: 32px;
	padding: 24px;
	background: var(--bg-subtle);
	border: 1px solid var(--border);
	border-radius: var(--radius-pill);
}

.comment-form__title {
	margin: 0;
	font-size: 20px;
}

/* hidden from people, a bot fills it in */
.comment-form__trap {
	position: absolute;
	left: -9999px;
}

.field {
	display: grid;
	gap: 6px;
	font-size: 14px;
	font-weight: 500;
}

.field input, .field textarea {
	width: 100%;
	padding: 10px 14px;
	font: inherit;
	font-weight: 400;
	font-size: 16px;
	color: var(--fg);
	background: var(--bg);
	border: 1.5px solid var(--border);
	border-radius: var(--radius);
	transition: border-color .2s;
}

.field input:focus, .field textarea:focus {
	outline: none;
	border-color: var(--accent);
}

.comment-form__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.button {
	display: inline-flex;
	align-items: center;
	padding: 8px 18px;
	font: inherit;
	font-size: 14px;
	font-weight: 500;
	color: var(--bg);
	background: var(--fg);
	border: 1.5px solid var(--fg);
	border-radius: var(--radius-pill);
	text-decoration: none;
	cursor: pointer;
	transition: transform .2s, opacity .2s;
}

.button:hover {
	opacity: .85;
}

.button:active {
	transform: scale(.95);
}

.button--outline {
	color: var(--fg);
	background: none;
	border-color: var(--border);
}

.button[disabled] {
	opacity: .5;
	cursor: default;
}

.comment-form__notice {
	margin: 0;
	font-size: 14px;
}

.comment-form__notice.is-invalid {
	color: var(--error);
}

@media (max-width: 1012px) {
	.site {
		padding: 60px;
	}
}

@media (max-width: 768px) {
	.site {
		padding: 20px;
	}

	.main {
		padding-top: 64px;
	}

	.hero {
		margin-bottom: 56px;
	}

	.hero__title, .article__title {
		font-size: 24px;
	}

	.section__title, .comments__title, .content h2 {
		font-size: 20px;
	}

	.footer {
		margin-top: 80px;
	}
}

.notice {
	margin: 0 0 32px;
	padding: 10px 16px;
	background: var(--bg-emphasis);
	border-radius: var(--radius);
	color: var(--fg-soft);
	font-size: 14px;
}