/* Best Practices (ai.html, nabla.html) — scoped so hero/resource/footer do not affect other pages */
body.page-nabla-best-practices {
	--primary-color: #007bff;
	--secondary-color: #6610f2;
	--success-color: #28a745;
	--info-color: #17a2b8;
	--warning-color: #ffc107;
	--danger-color: #dc3545;
	--dark-color: #343a40;
	--light-color: #f8f9fa;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
		"Helvetica Neue", Arial, sans-serif;
	line-height: 1.6;
	color: var(--text-primary);
	background-color: var(--bg-primary);
}

/* Homepage + nabla.html: flat blue→violet band, no grid animation (see landing-sections .hero-section default) */
body.page-nabla-best-practices .hero-section,
body.home-page.page-dark .hero-section {
	text-align: center;
	padding: 4rem 2rem;
	min-height: 0;
	display: block;
	background: linear-gradient(135deg, #007bff 0%, #6610f2 100%);
	color: #fff;
	position: relative;
	overflow: hidden;
}

body.page-nabla-best-practices .hero-section::before,
body.home-page.page-dark .hero-section::before {
	display: none;
}

body.page-nabla-best-practices .hero-title,
body.home-page.page-dark .hero-title {
	font-size: 3rem;
	font-weight: 700;
	margin-bottom: 0.5rem;
	animation: none;
}

body.page-nabla-best-practices .hero-subtitle,
body.home-page.page-dark .hero-subtitle {
	font-size: 1.5rem;
	margin-bottom: 1rem;
	opacity: 0.95;
	animation: none;
}

body.page-nabla-best-practices .hero-description,
body.home-page.page-dark .hero-description {
	font-size: 1.1rem;
	max-width: 800px;
	margin: 0 auto 2rem;
	line-height: 1.6;
	opacity: 0.95;
	animation: none;
}

body.page-nabla-best-practices .content-section {
	padding: 4rem 2rem;
	max-width: 1200px;
	margin: 0 auto;
}

body.page-nabla-best-practices .resource-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
	gap: 2rem;
	margin-bottom: 3rem;
}

body.page-nabla-best-practices .resource-card {
	background: var(--bg-card);
	border-radius: 12px;
	padding: 2rem;
	box-shadow: 0 4px 12px var(--shadow-color);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
	border: 1px solid var(--border-color);
	border-left: 4px solid var(--primary-color);
}

body.page-nabla-best-practices .resource-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 8px 24px var(--shadow-hover);
}

body.page-nabla-best-practices .resource-card h3 {
	font-size: 1.5rem;
	margin-bottom: 1rem;
	color: var(--primary-color);
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

body.page-nabla-best-practices .resource-card-icon {
	font-size: 2rem;
	color: var(--primary-color);
}

body.page-nabla-best-practices .resource-card p {
	color: var(--text-secondary);
	margin-bottom: 1rem;
	line-height: 1.6;
}

body.page-nabla-best-practices .resource-link {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	color: var(--link-color);
	text-decoration: none;
	font-weight: 600;
	transition: color 0.3s ease;
}

body.page-nabla-best-practices .resource-link:hover {
	color: var(--link-hover);
	text-decoration: underline;
}

body.page-nabla-best-practices .resource-link i {
	font-size: 1rem;
}

/* OSS / product logos (ai.html: useful links & document pipeline) */
body.page-nabla-best-practices .ai-oss-logo {
	width: 2rem;
	height: 2rem;
	object-fit: contain;
	flex-shrink: 0;
}

body.page-nabla-best-practices .ai-oss-logo--wide {
	width: auto;
	max-width: 6.5rem;
	max-height: 2rem;
}

html[data-theme="dark"] body.page-nabla-best-practices .ai-oss-logo--invert {
	filter: invert(1) brightness(1.12);
}

body.page-nabla-best-practices .ai-doc-pipeline {
	list-style: none;
	padding: 0;
	margin: 0 0 2rem;
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

body.page-nabla-best-practices .ai-doc-pipeline > li {
	display: flex;
	align-items: flex-start;
	gap: 1rem;
	padding: 1.25rem 1.5rem;
	background: var(--bg-card);
	border-radius: 12px;
	border: 1px solid var(--border-color);
	box-shadow: 0 2px 8px var(--shadow-color);
}

body.page-nabla-best-practices .ai-doc-pipeline__body {
	color: var(--text-secondary);
	line-height: 1.65;
	flex: 1;
	min-width: 0;
}

body.page-nabla-best-practices .ai-doc-pipeline__body strong {
	display: block;
	margin-bottom: 0.35rem;
}

body.page-nabla-best-practices .ai-doc-pipeline__body strong a {
	color: var(--primary-color);
	font-weight: 700;
	text-decoration: none;
}

body.page-nabla-best-practices .ai-doc-pipeline__body strong a:hover {
	text-decoration: underline;
	color: var(--link-hover);
}

body.page-nabla-best-practices .ai-doc-pipeline__body a:not(strong a) {
	color: var(--link-color);
	font-weight: 600;
}

body.page-nabla-best-practices .ai-doc-pipeline__sep {
	display: none;
}

body.page-nabla-best-practices .intro-section {
	background: var(--bg-secondary);
	border-radius: 12px;
	padding: 2rem;
	margin-bottom: 3rem;
}

body.page-nabla-best-practices .intro-section p {
	font-size: 1.1rem;
	line-height: 1.8;
	color: var(--text-secondary);
	margin-bottom: 1rem;
}

body.page-nabla-best-practices .intro-section p:last-child {
	margin-bottom: 0;
}

body.page-nabla-best-practices .intro-section__heading {
	color: var(--primary-color);
	margin-bottom: 1rem;
}

body.page-nabla-best-practices .intro-section__list {
	font-size: 1.1rem;
	line-height: 1.8;
	color: var(--text-secondary);
}

/* Beats print.css @media screen .print-button (later sheet, lower specificity) */
body.page-nabla-best-practices .print-button {
	position: fixed;
	bottom: 5rem;
	right: 2rem;
	z-index: 999;
	background: var(--site-fab-bg, #28a745);
	color: var(--site-fab-fg, #fff);
	border: var(--site-fab-border, none);
	padding: 0.75rem 1.5rem;
	border-radius: 25px;
	cursor: pointer;
	box-shadow: var(
		--site-fab-shadow,
		0 2px 10px var(--shadow-color, rgba(0, 0, 0, 0.1))
	);
	transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
	transform: none;
	font-size: inherit;
	font-weight: 600;
}

body.page-nabla-best-practices .print-button:hover {
	background: var(--site-fab-hover-bg, #17a2b8);
	color: var(--site-fab-hover-fg, var(--site-fab-fg, #fff));
	transform: none;
}

@media (max-width: 575.98px) {
	body.page-nabla-best-practices .print-button {
		width: 2.75rem;
		height: 2.75rem;
		min-width: 2.75rem;
		padding: 0;
		border-radius: 50%;
		font-size: 0;
		bottom: 12px;
		right: 12px;
	}

	body.page-nabla-best-practices .print-button__label {
		display: none;
	}

	body.page-nabla-best-practices .print-button__icon {
		margin-right: 0;
		width: 22px;
		height: 22px;
	}
}

@media (max-width: 768px) {
	body.page-nabla-best-practices .hero-title,
	body.home-page.page-dark .hero-title {
		font-size: 2rem;
	}

	body.page-nabla-best-practices .hero-subtitle,
	body.home-page.page-dark .hero-subtitle {
		font-size: 1.2rem;
	}

	body.page-nabla-best-practices .resource-grid {
		grid-template-columns: 1fr;
	}
}

/* Platforms showcase (shared: ai.html, nabla.html) */
.nabla-platforms-hero {
	display: grid;
	grid-template-columns: minmax(200px, 300px) 1fr;
	gap: 2rem;
	align-items: center;
	margin-bottom: 2.5rem;
	padding: 2rem 2rem 2rem 1.75rem;
	border-radius: 16px;
	background: linear-gradient(
		145deg,
		var(--bg-secondary) 0%,
		var(--bg-card) 100%
	);
	border: 1px solid var(--border-color);
	overflow: hidden;
	position: relative;
}

.nabla-platforms-hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background: radial-gradient(
			ellipse 90% 70% at 15% 35%,
			rgba(0, 123, 255, 0.14),
			transparent 55%
		),
		radial-gradient(
			ellipse 70% 60% at 88% 75%,
			rgba(102, 16, 242, 0.12),
			transparent 50%
		);
	pointer-events: none;
}

.nabla-platforms-visual-wrap {
	position: relative;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 1rem;
}

.nabla-platforms-visual-wrap .nabla-platforms-orbit {
	position: absolute;
	width: 280px;
	height: 280px;
	border: 1px dashed var(--border-color);
	border-radius: 50%;
	opacity: 0.45;
	pointer-events: none;
}

.nabla-platforms-figure {
	position: relative;
	z-index: 2;
	margin: 0;
	padding: 1.25rem;
	border-radius: 20px;
	background: linear-gradient(
		160deg,
		var(--bg-card) 0%,
		var(--bg-secondary) 100%
	);
	box-shadow: 0 4px 24px var(--shadow-color), inset 0 1px 0
		rgba(255, 255, 255, 0.06);
	border: 1px solid var(--border-color);
}

.nabla-platforms-figure img {
	display: block;
	width: min(200px, 100%);
	height: auto;
	transition: transform 0.4s ease;
}

.nabla-platforms-visual-wrap:hover .nabla-platforms-figure img {
	transform: scale(1.06);
}

.nabla-platforms-caption {
	position: relative;
	z-index: 2;
	font-size: 0.8rem;
	color: var(--text-secondary);
	text-align: center;
	max-width: 14rem;
	line-height: 1.45;
	margin: 0;
}

.nabla-platforms-lede {
	position: relative;
	z-index: 1;
}

.nabla-platforms-lede h3 {
	font-size: 1.35rem;
	font-weight: 700;
	color: var(--text-primary);
	margin-bottom: 0.75rem;
}

.nabla-platforms-lede p {
	font-size: 1.05rem;
	color: var(--text-secondary);
	margin-bottom: 0;
	line-height: 1.75;
}

.nabla-platforms-matrix {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
	gap: 1.25rem;
}

.nabla-platform-pillar {
	--pillar-accent: var(--primary-color);
	background: var(--bg-card);
	border-radius: 14px;
	padding: 1.25rem 1.35rem;
	border: 1px solid var(--border-color);
	box-shadow: 0 2px 12px var(--shadow-color);
	transition: transform 0.25s ease, box-shadow 0.25s ease;
	border-top: 3px solid var(--pillar-accent);
}

.nabla-platform-pillar:hover {
	transform: translateY(-4px);
	box-shadow: 0 10px 28px var(--shadow-hover);
}

.nabla-platform-pillar h3 {
	font-size: 1rem;
	font-weight: 700;
	margin: 0 0 0.9rem;
	color: var(--text-primary);
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.nabla-platform-pillar h3 i {
	color: var(--pillar-accent);
	font-size: 1.1rem;
}

.nabla-tool-tags {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem;
}

.nabla-tool-tags li {
	font-size: 0.84rem;
	padding: 0.38rem 0.72rem;
	border-radius: 999px;
	background: var(--bg-secondary);
	color: var(--text-secondary);
	border: 1px solid var(--border-color);
	line-height: 1.3;
}

@media (max-width: 768px) {
	.nabla-platforms-hero {
		grid-template-columns: 1fr;
		padding: 1.75rem;
		text-align: center;
	}

	.nabla-platforms-lede {
		text-align: left;
	}

	.nabla-platforms-visual-wrap .nabla-platforms-orbit {
		width: 240px;
		height: 240px;
	}
}

/* Category Sections */
.category-section {
	margin-bottom: 4rem;
}

.category-title {
	font-size: 2rem;
	font-weight: 700;
	margin-bottom: 1.5rem;
	color: var(--text-primary);
	border-bottom: 3px solid var(--primary-color);
	padding-bottom: 0.5rem;
}

/* DevSecOps toolchain map (SVG) */
.tools-section-intro {
	max-width: 42rem;
	margin: 0 auto 1.75rem;
	text-align: center;
	color: var(--text-light);
	line-height: 1.65;
	font-size: 1.05rem;
}

.devsecops-map-wrap {
	max-width: 1200px;
	margin: 0 auto 2.5rem;
	padding: 0 1rem;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.devsecops-map__heading {
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--text-dark);
	text-align: center;
	margin-bottom: 1rem;
}

.devsecops-map-figure {
	margin: 0;
}

.devsecops-map {
	display: block;
	width: 100%;
	min-width: 720px;
	max-width: 1160px;
	height: auto;
	margin: 0 auto;
}

.devsecops-map-caption {
	text-align: center;
	font-size: 0.875rem;
	color: var(--text-light);
	margin-top: 0.85rem;
	max-width: 44rem;
	margin-left: auto;
	margin-right: auto;
	line-height: 1.5;
}

.tools-grid-heading {
	font-size: 1.05rem;
	font-weight: 600;
	color: var(--text-dark);
	text-align: center;
	margin: 2.5rem 0 1.25rem;
}