:root {
	--bg: #06101b;
	--bg-soft: #0b1828;
	--bg-panel: rgba(255, 255, 255, 0.05);
	--bg-panel-strong: rgba(255, 255, 255, 0.08);
	--bg-panel-dark: rgba(4, 10, 18, 0.82);
	--line: rgba(255, 255, 255, 0.11);
	--line-strong: rgba(125, 211, 252, 0.22);
	--text: #ecf4ff;
	--muted: #9db1c9;
	--cyan: #7dd3fc;
	--teal: #5eead4;
	--amber: #fcd34d;
	--green: #86efac;
	--rose: #fda4af;
	--violet: #c4b5fd;
	--shadow: 0 24px 70px rgba(1, 9, 20, 0.48);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: 'Manrope', sans-serif;
	color: var(--text);
	background:
		radial-gradient(circle at top left, rgba(125, 211, 252, 0.12), transparent 24%),
		radial-gradient(circle at 92% 12%, rgba(252, 211, 77, 0.08), transparent 18%),
		radial-gradient(circle at 50% 100%, rgba(94, 234, 212, 0.07), transparent 22%),
		linear-gradient(180deg, #06101b, #091626 55%, #06101b);
}

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

a:hover {
	color: white;
}

code,
pre {
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono',
		'Courier New', monospace;
}

code {
	font-size: 0.92em;
}

.site-shell {
	display: grid;
	grid-template-columns: 18rem minmax(0, 1fr);
	min-height: 100vh;
}

.sidebar {
	position: sticky;
	top: 0;
	height: 100vh;
	overflow-y: auto;
	padding: 2rem 1.15rem;
	border-right: 1px solid var(--line);
	background: rgba(4, 10, 18, 0.78);
	backdrop-filter: blur(18px);
}

.brand {
	display: flex;
	align-items: center;
	gap: 0.9rem;
	margin-bottom: 1.8rem;
	color: white;
}

.brand strong {
	display: block;
	font-family: 'Space Grotesk', sans-serif;
	font-size: 1rem;
}

.brand small {
	display: block;
	color: var(--muted);
	font-size: 0.78rem;
}

.brand-mark {
	display: grid;
	place-items: center;
	width: 2.7rem;
	height: 2.7rem;
	border-radius: 1rem;
	background: linear-gradient(135deg, var(--cyan), var(--teal));
	color: #04101a;
	font-weight: 800;
}

.sidebar-group + .sidebar-group,
.sidebar-card + .sidebar-card {
	margin-top: 1.5rem;
}

.sidebar-label {
	margin: 0 0 0.75rem;
	color: var(--amber);
	font-size: 0.72rem;
	font-weight: 800;
	letter-spacing: 0.18em;
	text-transform: uppercase;
}

.nav {
	display: grid;
	gap: 0.45rem;
}

.nav-link {
	display: block;
	padding: 0.76rem 0.9rem;
	border-radius: 0.95rem;
	border: 1px solid transparent;
	color: var(--muted);
	background: transparent;
	transition:
		background 160ms ease,
		border-color 160ms ease,
		color 160ms ease,
		transform 160ms ease;
}

.nav-link:hover,
.nav-link.active {
	background: var(--bg-panel);
	border-color: var(--line);
	color: white;
	transform: translateY(-1px);
}

.sidebar-card {
	padding: 1rem;
	border-radius: 1.2rem;
	border: 1px solid var(--line);
	background: var(--bg-panel);
	box-shadow: var(--shadow);
}

.sidebar-card p,
.sidebar-card li {
	margin: 0.4rem 0 0;
	color: var(--muted);
	line-height: 1.65;
}

.sidebar-card ul {
	margin: 0.65rem 0 0;
	padding-left: 1rem;
}

.content {
	padding: 2rem clamp(1.2rem, 3vw, 3rem) 4rem;
}

.page-header {
	display: flex;
	flex-direction: column;
	gap: 1rem;
	padding: 0.2rem 0 1.4rem;
	border-bottom: 1px solid var(--line);
}

.breadcrumbs {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.55rem;
	color: var(--muted);
	font-size: 0.9rem;
}

.breadcrumbs span {
	opacity: 0.55;
}

.eyebrow {
	margin: 0 0 0.65rem;
	color: var(--amber);
	font-size: 0.76rem;
	font-weight: 800;
	letter-spacing: 0.18em;
	text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
	margin: 0;
	font-family: 'Space Grotesk', sans-serif;
	letter-spacing: -0.03em;
}

h1 {
	font-size: clamp(2.5rem, 5vw, 4.2rem);
	line-height: 0.97;
}

h2 {
	font-size: clamp(1.7rem, 3vw, 2.45rem);
	line-height: 1.02;
	margin-bottom: 0.9rem;
}

h3 {
	font-size: 1.18rem;
	margin-bottom: 0.7rem;
}

h4 {
	font-size: 1rem;
	margin-bottom: 0.5rem;
}

.lede {
	margin: 0;
	max-width: 52rem;
	color: var(--muted);
	font-size: 1.02rem;
	line-height: 1.85;
}

.hero {
	padding: 1rem 0 1.8rem;
}

.hero-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
	gap: 1rem;
	align-items: stretch;
}

.hero-copy {
	display: grid;
	gap: 1rem;
}

.hero-panel,
.card,
.notice,
.toc,
.kpi,
.path-card,
.next-card {
	border: 1px solid var(--line);
	background: var(--bg-panel);
	box-shadow: var(--shadow);
}

.hero-panel {
	padding: 1.15rem;
	border-radius: 1.4rem;
	display: grid;
	gap: 0.9rem;
}

.stat-grid,
.doc-grid,
.two-column,
.path-grid,
.next-links {
	display: grid;
	gap: 1rem;
}

.stat-grid {
	grid-template-columns: repeat(4, minmax(0, 1fr));
	margin-top: 1.5rem;
}

.kpi {
	padding: 1rem;
	border-radius: 1.15rem;
}

.kpi span,
.meta-label {
	display: block;
	font-size: 0.78rem;
	color: var(--muted);
	margin-bottom: 0.35rem;
}

.kpi strong {
	display: block;
	font-size: 1rem;
	line-height: 1.45;
}

.doc-grid {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-column,
.path-grid,
.next-links {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.path-card,
.next-card,
.notice,
.toc {
	padding: 1.3rem;
	border-radius: 1.3rem;
}

.card.tight {
	padding: 1rem 1.05rem;
}

.card p,
.card li,
.path-card p,
.path-card li,
.notice p,
.notice li,
.steps span,
.copy,
.muted {
	color: var(--muted);
	line-height: 1.72;
}

.copy {
	font-size: 0.98rem;
}

.section {
	margin-top: 2.5rem;
}

.section-head {
	max-width: 52rem;
	margin-bottom: 1rem;
}

.pill-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.55rem;
}

.pill {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.38rem 0.7rem;
	border-radius: 999px;
	border: 1px solid var(--line);
	background: var(--bg-panel-strong);
	font-size: 0.76rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	color: white;
}

.button-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.8rem;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.95rem 1.2rem;
	border-radius: 999px;
	font-weight: 700;
	border: 1px solid var(--line);
}

.button-primary {
	background: linear-gradient(135deg, var(--cyan), var(--teal));
	color: #04101a;
	border-color: transparent;
}

.button-secondary {
	background: var(--bg-panel);
	color: white;
}

.toc {
	display: grid;
	gap: 0.7rem;
	margin-top: 1.2rem;
}

.toc-links {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.7rem;
}

.toc a {
	display: block;
	padding: 0.7rem 0.85rem;
	border-radius: 0.95rem;
	border: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.03);
	color: var(--muted);
}

.toc a:hover {
	color: white;
	border-color: var(--line-strong);
}

.steps {
	display: grid;
	gap: 0.95rem;
	padding: 0;
	margin: 0;
	list-style: none;
}

.steps li {
	display: grid;
	grid-template-columns: 2.3rem minmax(0, 1fr);
	gap: 0.9rem;
	padding: 1rem 1.05rem;
	border-radius: 1.05rem;
	border: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.03);
}

.step-index {
	display: grid;
	place-items: center;
	height: 2.3rem;
	border-radius: 0.85rem;
	background: rgba(125, 211, 252, 0.12);
	color: var(--cyan);
	font-weight: 800;
}

.steps strong {
	display: block;
	margin-bottom: 0.35rem;
	font-size: 1rem;
}

.list,
.checklist {
	margin: 0;
	padding-left: 1.15rem;
}

.checklist li + li,
.list li + li {
	margin-top: 0.5rem;
}

.table-wrap {
	overflow-x: auto;
	border-radius: 1.2rem;
	border: 1px solid var(--line);
	background: rgba(4, 10, 18, 0.6);
	box-shadow: var(--shadow);
}

table {
	width: 100%;
	border-collapse: collapse;
	min-width: 42rem;
}

th,
td {
	padding: 0.95rem 1rem;
	text-align: left;
	vertical-align: top;
	border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

th {
	font-size: 0.82rem;
	font-weight: 800;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--amber);
	background: rgba(255, 255, 255, 0.03);
}

td {
	color: var(--muted);
	line-height: 1.68;
}

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

.notice {
	display: grid;
	gap: 0.55rem;
	margin-top: 1rem;
}

.notice strong {
	color: white;
}

.notice.info {
	border-color: rgba(125, 211, 252, 0.2);
}

.notice.warn {
	border-color: rgba(252, 211, 77, 0.22);
}

.notice.success {
	border-color: rgba(134, 239, 172, 0.2);
}

.path-card {
	display: grid;
	gap: 0.7rem;
}

.path-card strong {
	font-size: 1rem;
}

.meta-list {
	display: grid;
	gap: 0.65rem;
}

.meta-row {
	display: grid;
	grid-template-columns: 10rem minmax(0, 1fr);
	gap: 0.9rem;
	padding-top: 0.65rem;
	border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.meta-row:first-child {
	padding-top: 0;
	border-top: 0;
}

.meta-row strong {
	font-size: 0.9rem;
	color: white;
}

pre {
	overflow-x: auto;
	margin: 0;
	padding: 1rem;
	border-radius: 1rem;
	border: 1px solid rgba(125, 211, 252, 0.15);
	background: rgba(2, 10, 20, 0.78);
	color: #d6ecff;
	font-size: 0.88rem;
	line-height: 1.65;
}

.code-block + .code-block,
.card + .card {
	margin-top: 1rem;
}

.source-list {
	display: grid;
	gap: 0.8rem;
}

.source-item {
	padding: 0.95rem 1rem;
	border-radius: 1rem;
	border: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.03);
}

.source-item code {
	display: block;
	margin-bottom: 0.4rem;
	color: #d6ecff;
}

details {
	border-radius: 1rem;
	border: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.03);
	padding: 0.95rem 1rem;
}

details + details {
	margin-top: 0.75rem;
}

summary {
	cursor: pointer;
	font-weight: 700;
	color: white;
}

summary + p,
summary + ul {
	margin-top: 0.8rem;
}

.next-links {
	margin-top: 1.5rem;
}

.next-card {
	display: grid;
	gap: 0.45rem;
}

.next-card strong {
	font-size: 1rem;
}

.footer-note {
	margin-top: 2rem;
	color: var(--muted);
	font-size: 0.9rem;
}

@media (max-width: 1100px) {
	.hero-grid,
	.stat-grid,
	.doc-grid,
	.two-column,
	.path-grid,
	.next-links,
	.toc-links {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 980px) {
	.site-shell {
		grid-template-columns: 1fr;
	}

	.sidebar {
		position: static;
		height: auto;
		border-right: 0;
		border-bottom: 1px solid var(--line);
	}

	.content {
		padding-top: 1.5rem;
	}
}

@media (max-width: 720px) {
	.content {
		padding: 1.4rem 1rem 3rem;
	}

	.card,
	.notice,
	.toc,
	.kpi,
	.path-card,
	.next-card {
		padding: 1rem;
	}

	.steps li {
		grid-template-columns: 1fr;
	}

	.meta-row {
		grid-template-columns: 1fr;
		gap: 0.35rem;
	}

	table {
		min-width: 34rem;
	}
}