:root {
	--bg: #ffffff;
	--panel: #f7f8fa;
	--panel-deep: #eef1f5;
	--text: #16181d;
	--muted: #5c6370;
	--border: #e3e6eb;
	--accent: #2f7fe8;
	--accent-deep: #145ad8;
	--accent-soft: #eaf2fd;
	--green: #1f9d55;
	--red: #d9483b;
	--amber: #b4770e;
	--code-bg: #f5f7fa;
	--radius: 10px;
	--wrap: 1080px;
	--mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", monospace;
	--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #0f1115;
		--panel: #161a21;
		--panel-deep: #1b202a;
		--text: #e7e9ee;
		--muted: #9aa3b2;
		--border: #262b36;
		--accent: #4d97ff;
		--accent-deep: #2f7fe8;
		--accent-soft: #16233a;
		--green: #4ade80;
		--red: #f87171;
		--amber: #fbbf24;
		--code-bg: #12161d;
	}
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 90px;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--sans);
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
}

a {
	color: var(--accent);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

.wrap {
	max-width: var(--wrap);
	margin: 0 auto;
	padding: 0 24px;
}

/* nav */

.nav {
	position: sticky;
	top: 0;
	z-index: 50;
	background: color-mix(in srgb, var(--bg) 88%, transparent);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--border);
}

.nav-inner {
	display: flex;
	align-items: center;
	gap: 24px;
	height: 62px;
}

.nav-logo {
	display: flex;
	align-items: center;
	gap: 10px;
	font-weight: 700;
	color: var(--text);
	letter-spacing: -0.01em;
}

.nav-logo img {
	height: 22px;
	display: block;
}

.nav-links {
	display: flex;
	gap: 22px;
	margin-left: auto;
	flex-wrap: wrap;
}

.nav-links a {
	color: var(--muted);
	font-size: 14.5px;
	font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
	color: var(--text);
	text-decoration: none;
}

/* hero */

.hero {
	padding: 92px 0 76px;
	text-align: center;
	border-bottom: 1px solid var(--border);
	background: linear-gradient(180deg, var(--accent-soft) 0%, transparent 70%);
}

.hero img.mark {
	width: min(340px, 74vw);
	display: block;
	margin: 0 auto 22px;
}

.hero p.tagline {
	font-size: clamp(18px, 2.4vw, 23px);
	color: var(--muted);
	max-width: 620px;
	margin: 0 auto 30px;
}

.buttons {
	display: flex;
	gap: 12px;
	justify-content: center;
	flex-wrap: wrap;
}

.btn {
	display: inline-block;
	padding: 11px 22px;
	border-radius: 8px;
	font-weight: 600;
	font-size: 15px;
	border: 1px solid var(--border);
	color: var(--text);
	background: var(--bg);
}

.btn:hover {
	text-decoration: none;
	border-color: var(--muted);
}

.btn.primary {
	background: var(--accent);
	border-color: var(--accent);
	color: #fff;
}

.btn.primary:hover {
	background: var(--accent-deep);
	border-color: var(--accent-deep);
}

/* sections */

section {
	padding: 66px 0;
	border-bottom: 1px solid var(--border);
}

section:last-of-type {
	border-bottom: 0;
}

h1,
h2,
h3,
h4 {
	line-height: 1.25;
	letter-spacing: -0.015em;
	margin: 0 0 14px;
}

h1 {
	font-size: clamp(28px, 4vw, 40px);
}

h2 {
	font-size: clamp(23px, 3vw, 29px);
	margin-top: 8px;
}

h3 {
	font-size: 19px;
	margin-top: 34px;
}

h4 {
	font-size: 16px;
	margin-top: 26px;
}

p {
	margin: 0 0 16px;
}

.lede {
	font-size: 18px;
	color: var(--muted);
	max-width: 720px;
}

.grid {
	display: grid;
	gap: 22px;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	margin-top: 30px;
}

.card {
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 22px;
}

.card h3 {
	margin: 0 0 8px;
	font-size: 17px;
}

.card p {
	margin: 0;
	color: var(--muted);
	font-size: 15px;
}

/* code */

pre {
	background: var(--code-bg);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 16px 18px;
	overflow-x: auto;
	margin: 0 0 18px;
}

code {
	font-family: var(--mono);
	font-size: 13.5px;
}

p code,
li code,
td code,
th code {
	background: var(--panel-deep);
	padding: 1.5px 6px;
	border-radius: 5px;
	font-size: 13px;
	white-space: nowrap;
}

pre code {
	background: none;
	padding: 0;
	white-space: pre;
	line-height: 1.6;
}

.tok-c {
	color: var(--muted);
}
.tok-k {
	color: var(--accent);
}
.tok-s {
	color: var(--green);
}
.tok-a {
	color: var(--amber);
}
.tok-r {
	color: var(--red);
}

/* tables */

.table-wrap {
	overflow-x: auto;
	margin: 0 0 20px;
}

table {
	border-collapse: collapse;
	width: 100%;
	font-size: 14.5px;
}

th,
td {
	text-align: left;
	padding: 9px 14px;
	border-bottom: 1px solid var(--border);
	vertical-align: top;
}

th {
	font-weight: 650;
	background: var(--panel);
	white-space: nowrap;
}

tbody tr:last-child td {
	border-bottom: 0;
}

/* callouts */

.note {
	border-left: 3px solid var(--accent);
	background: var(--panel);
	border-radius: 0 var(--radius) var(--radius) 0;
	padding: 14px 18px;
	margin: 0 0 20px;
}

.note.warn {
	border-left-color: var(--amber);
}

.note.danger {
	border-left-color: var(--red);
}

.note p:last-child {
	margin-bottom: 0;
}

.note strong {
	display: block;
	margin-bottom: 4px;
	font-size: 14px;
	letter-spacing: 0.01em;
}

/* docs layout */

.docs {
	display: grid;
	grid-template-columns: 232px minmax(0, 1fr);
	gap: 48px;
	align-items: start;
	padding: 42px 0 90px;
}

.side {
	position: sticky;
	top: 88px;
	font-size: 14.5px;
}

.side h5 {
	margin: 22px 0 8px;
	font-size: 11.5px;
	text-transform: uppercase;
	letter-spacing: 0.09em;
	color: var(--muted);
	font-weight: 700;
}

.side h5:first-child {
	margin-top: 0;
}

.side a {
	display: block;
	padding: 4px 0;
	color: var(--muted);
}

.side a:hover {
	color: var(--text);
	text-decoration: none;
}

.side a.active {
	color: var(--accent);
	font-weight: 600;
}

.content {
	min-width: 0;
}

.content > h2 {
	scroll-margin-top: 90px;
	padding-top: 14px;
	margin-top: 40px;
}

.content > h2:first-of-type {
	margin-top: 18px;
}

.content ul,
.content ol {
	margin: 0 0 18px;
	padding-left: 22px;
}

.content li {
	margin-bottom: 7px;
}

hr {
	border: 0;
	border-top: 1px solid var(--border);
	margin: 38px 0;
}

.pager {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	margin-top: 52px;
	padding-top: 22px;
	border-top: 1px solid var(--border);
	font-size: 15px;
}

/* footer */

footer {
	background: var(--panel);
	border-top: 1px solid var(--border);
	padding: 46px 0 34px;
	font-size: 14.5px;
}

.foot-grid {
	display: grid;
	gap: 30px;
	grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

footer h6 {
	margin: 0 0 10px;
	font-size: 11.5px;
	text-transform: uppercase;
	letter-spacing: 0.09em;
	color: var(--muted);
	font-weight: 700;
}

footer a {
	display: block;
	padding: 3px 0;
	color: var(--muted);
}

footer a:hover {
	color: var(--text);
	text-decoration: none;
}

.foot-note {
	margin-top: 32px;
	padding-top: 20px;
	border-top: 1px solid var(--border);
	color: var(--muted);
	font-size: 13.5px;
}

/* wide screens */

@media (min-width: 1500px) {
	:root {
		--wrap: 1180px;
	}

	body {
		font-size: 17px;
	}
}

/* tablet */

@media (max-width: 900px) {
	html {
		scroll-padding-top: 74px;
	}

	.wrap {
		padding: 0 20px;
	}

	.docs {
		grid-template-columns: 1fr;
		gap: 22px;
		padding: 26px 0 64px;
	}

	.side {
		position: static;
		background: var(--panel);
		border: 1px solid var(--border);
		border-radius: var(--radius);
		padding: 14px 16px;
	}

	.side h5 {
		margin: 14px 0 6px;
	}

	.side a {
		display: inline-block;
		padding: 3px 0;
		margin-right: 14px;
	}

	.hero {
		padding: 62px 0 54px;
	}

	section {
		padding: 48px 0;
	}
}

/* phone */

@media (max-width: 620px) {
	body {
		font-size: 15.5px;
		line-height: 1.6;
	}

	.wrap {
		padding: 0 16px;
	}

	.nav-inner {
		height: auto;
		min-height: 56px;
		flex-wrap: wrap;
		gap: 8px;
		padding: 10px 0;
	}

	.nav-logo img {
		height: 19px;
	}

	.nav-links {
		width: 100%;
		margin-left: 0;
		gap: 14px;
		overflow-x: auto;
		flex-wrap: nowrap;
		padding-bottom: 2px;
		scrollbar-width: none;
	}

	.nav-links::-webkit-scrollbar {
		display: none;
	}

	.nav-links a {
		white-space: nowrap;
		font-size: 14px;
	}

	.hero {
		padding: 44px 0 40px;
	}

	.hero img.mark {
		width: min(260px, 78vw);
	}

	.buttons {
		flex-direction: column;
		align-items: stretch;
	}

	.btn {
		text-align: center;
	}

	section {
		padding: 38px 0;
	}

	h3 {
		margin-top: 26px;
	}

	.grid {
		grid-template-columns: 1fr;
		gap: 14px;
		margin-top: 22px;
	}

	.card {
		padding: 18px;
	}

	pre {
		padding: 13px 14px;
		border-radius: 8px;
		margin-left: -16px;
		margin-right: -16px;
		border-left: 0;
		border-right: 0;
		border-radius: 0;
	}

	code {
		font-size: 12.5px;
	}

	p code,
	li code,
	td code,
	th code {
		white-space: normal;
		word-break: break-word;
	}

	th,
	td {
		padding: 8px 10px;
		font-size: 14px;
	}

	.note {
		padding: 12px 14px;
	}

	.pager {
		flex-direction: column;
		gap: 10px;
	}

	.foot-grid {
		grid-template-columns: 1fr 1fr;
		gap: 20px;
	}
}

@media (max-width: 380px) {
	.foot-grid {
		grid-template-columns: 1fr;
	}
}

/* respect reduced motion */

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
}