/**
 * Labs — Next.js showcase page (scoped under .zs-labs-page).
 */

.zs-labs-page {
	--labs-radius: 14px;
	--labs-shadow: 0 24px 48px -32px rgba(21, 41, 74, 0.35);
	background: var(--color-cream);
}

.zs-labs-page .ls-section {
	padding-block: clamp(var(--space-7), 6vw, var(--space-9));
}

.zs-labs-page .container {
	max-width: var(--container-max);
	margin-inline: auto;
	padding-inline: clamp(var(--space-4), 4vw, var(--space-6));
}

/* Hero */
.zs-labs-hero {
	padding-top: calc(var(--header-height) + var(--space-7));
	border-bottom: 1px solid var(--color-border);
	background:
		radial-gradient(ellipse 80% 60% at 100% 0%, rgba(201, 169, 97, 0.12), transparent 55%),
		var(--color-cream);
}

.zs-labs-hero__grid {
	display: grid;
	gap: var(--space-7);
	align-items: center;
}

@media (min-width: 960px) {
	.zs-labs-hero__grid {
		grid-template-columns: minmax(0, 1.15fr) minmax(260px, 380px);
		gap: clamp(var(--space-7), 5vw, var(--space-9));
	}
}

.zs-labs-kicker {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	margin: 0 0 var(--space-4);
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--color-muted);
}

.zs-labs-kicker__dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--color-accent);
	box-shadow: 0 0 0 4px rgba(217, 119, 6, 0.18);
	animation: zs-labs-pulse 2.4s ease-in-out infinite;
}

@keyframes zs-labs-pulse {
	0%, 100% { opacity: 1; transform: scale(1); }
	50% { opacity: 0.7; transform: scale(0.92); }
}

.zs-labs-hero h1 {
	max-width: 18ch;
	font-size: clamp(2rem, 4.8vw, 3.2rem);
	line-height: 1.1;
	letter-spacing: -0.03em;
	margin-bottom: var(--space-5);
}

.zs-labs-hero__accent {
	display: block;
	font-style: italic;
	font-weight: 800;
	color: var(--color-navy-300);
}

.zs-labs-hero__lead {
	max-width: 52ch;
	font-size: 1.0625rem;
	line-height: 1.68;
	color: var(--color-muted);
	margin: 0 0 var(--space-6);
}

.zs-labs-hero__cta {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-3);
	margin-bottom: var(--space-6);
}

.zs-labs-trust {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-4) var(--space-6);
	margin: 0;
	padding: var(--space-5) 0 0;
	list-style: none;
	border-top: 1px solid var(--color-border);
	font-size: 0.9375rem;
	color: var(--color-muted);
}

.zs-labs-trust strong {
	display: inline-block;
	margin-right: var(--space-2);
	font-family: var(--font-display);
	font-size: 1.0625rem;
	font-weight: 700;
	font-style: italic;
	color: var(--color-navy);
}

.zs-labs-hero__photo-wrap {
	position: relative;
	margin: 0;
	border-radius: var(--labs-radius);
	overflow: hidden;
	box-shadow: var(--labs-shadow);
	border: 1px solid var(--color-border);
}

.zs-labs-hero__photo {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 4 / 5;
	object-fit: cover;
}

.zs-labs-hero__caption {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	padding: var(--space-5);
	background: linear-gradient(transparent, rgba(21, 41, 74, 0.88));
	color: var(--color-cream);
}

.zs-labs-hero__caption-name {
	display: block;
	font-family: var(--font-display);
	font-size: 1.125rem;
	font-weight: 700;
}

.zs-labs-hero__caption-role {
	display: block;
	font-size: 0.875rem;
	opacity: 0.85;
	margin-top: var(--space-1);
}

/* Demo section */
.zs-labs-demo {
	background: var(--color-cream-deep);
	border-block: 1px solid var(--color-border);
}

.zs-labs-demo__head {
	max-width: 58ch;
	margin-bottom: var(--space-6);
}

.zs-labs-demo__head h2 {
	margin-bottom: var(--space-3);
}

.zs-labs-demo__head p {
	margin: 0;
	color: var(--color-muted);
	line-height: 1.65;
}

.zs-pulse-lab-mount {
	min-height: 520px;
}

.zs-pulse-lab-fallback {
	display: grid;
	place-items: center;
	min-height: 420px;
	padding: var(--space-6);
	border-radius: var(--labs-radius);
	border: 1px dashed var(--color-border-strong);
	background: var(--color-white);
	color: var(--color-muted);
}

/* Stack cards */
.zs-labs-stack h2 {
	text-align: center;
	margin-bottom: var(--space-7);
}

.zs-labs-stack__grid {
	display: grid;
	gap: var(--space-5);
}

@media (min-width: 768px) {
	.zs-labs-stack__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

.zs-labs-stack__card {
	padding: var(--space-6);
	border-radius: var(--labs-radius);
	background: var(--color-white);
	border: 1px solid var(--color-border);
	box-shadow: var(--shadow-card);
	transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.zs-labs-stack__card:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-card-hover);
}

.zs-labs-stack__card h3 {
	font-size: 1.125rem;
	margin-bottom: var(--space-3);
}

.zs-labs-stack__card p {
	margin: 0;
	font-size: 0.9375rem;
	color: var(--color-muted);
	line-height: 1.6;
}

/* CTA finale */
.zs-labs-cta {
	background: var(--color-navy);
	color: var(--color-cream);
}

.zs-labs-cta__inner {
	text-align: center;
	max-width: 52ch;
	margin-inline: auto;
}

.zs-labs-cta h2 {
	color: var(--color-cream);
	margin-bottom: var(--space-4);
}

.zs-labs-cta p {
	margin: 0 0 var(--space-6);
	color: rgba(252, 251, 249, 0.82);
	line-height: 1.65;
}

.zs-labs-cta__buttons {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: var(--space-3);
}

.zs-labs-cta .button--outline {
	border-color: rgba(252, 251, 249, 0.35);
	color: var(--color-cream);
}

.zs-labs-cta .button--outline:hover {
	background: rgba(252, 251, 249, 0.08);
	border-color: rgba(252, 251, 249, 0.55);
}

/* -------------------------------------------------------------------------
   Pulse Lab — React app chrome (scoped under .pulse-lab)
   ------------------------------------------------------------------------- */

.pulse-lab {
	--pl-navy: var(--color-navy);
	--pl-cream: var(--color-cream);
	--pl-gold: var(--color-gold);
	--pl-accent: var(--color-accent);
	--pl-muted: var(--color-muted);
	--pl-border: var(--color-border);
	--pl-radius: 12px;
	font-family: var(--font-body);
	color: var(--color-charcoal);
	background: var(--color-white);
	border: 1px solid var(--pl-border);
	border-radius: calc(var(--labs-radius) + 2px);
	box-shadow: var(--labs-shadow);
	overflow: hidden;
}

.pulse-lab__chrome {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-4);
	padding: var(--space-3) var(--space-4);
	background: var(--color-navy-700);
	color: var(--pl-cream);
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
	flex-wrap: wrap;
}

.pulse-lab__brand {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.04em;
}

.pulse-lab__brand-dot {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: #22c55e;
	box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

.pulse-lab__nav {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-1);
}

.pulse-lab__nav-btn {
	appearance: none;
	border: 1px solid transparent;
	background: transparent;
	color: rgba(252, 251, 249, 0.75);
	font: inherit;
	font-size: 0.8125rem;
	font-weight: 500;
	padding: 0.45rem 0.75rem;
	border-radius: 8px;
	cursor: pointer;
	transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.pulse-lab__nav-btn:hover {
	background: rgba(255, 255, 255, 0.08);
	color: var(--pl-cream);
}

.pulse-lab__nav-btn.is-active {
	background: rgba(201, 169, 97, 0.18);
	border-color: rgba(201, 169, 97, 0.45);
	color: var(--pl-cream);
}

.pulse-lab__nav-btn:focus-visible {
	outline: 2px solid var(--pl-gold);
	outline-offset: 2px;
}

.pulse-lab__route-badge {
	font-size: 0.75rem;
	font-family: ui-monospace, 'Cascadia Code', monospace;
	color: rgba(252, 251, 249, 0.55);
	padding: 0.35rem 0.65rem;
	border-radius: 6px;
	background: rgba(0, 0, 0, 0.22);
}

.pulse-lab__body {
	position: relative;
	min-height: 420px;
	padding: clamp(var(--space-5), 4vw, var(--space-7));
}

.pulse-lab__view {
	animation: pulse-lab-enter 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes pulse-lab-enter {
	from {
		opacity: 0;
		transform: translateY(10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.pulse-lab__view h3 {
	font-size: 1.25rem;
	margin-bottom: var(--space-2);
}

.pulse-lab__view > p {
	margin: 0 0 var(--space-5);
	color: var(--pl-muted);
	font-size: 0.9375rem;
	max-width: 52ch;
	line-height: 1.6;
}

/* Overview */
.pulse-lab__stats {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
	gap: var(--space-4);
	margin-bottom: var(--space-5);
}

.pulse-lab__stat {
	padding: var(--space-4);
	border-radius: var(--pl-radius);
	background: var(--color-cream);
	border: 1px solid var(--pl-border);
}

.pulse-lab__stat-label {
	display: block;
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--pl-muted);
	margin-bottom: var(--space-2);
}

.pulse-lab__stat-value {
	font-family: var(--font-display);
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--pl-navy);
}

.pulse-lab__stat-value.is-good {
	color: #15803d;
}

.pulse-lab__pill-row {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-2);
}

.pulse-lab__pill {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0.35rem 0.7rem;
	border-radius: var(--radius-pill);
	font-size: 0.8125rem;
	font-weight: 500;
	background: var(--color-cream-deep);
	border: 1px solid var(--pl-border);
	color: var(--pl-navy);
}

/* CWV scoreboard */
.pulse-lab__cwv-grid {
	display: grid;
	gap: var(--space-4);
}

@media (min-width: 640px) {
	.pulse-lab__cwv-grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

.pulse-lab__cwv-card {
	padding: var(--space-5);
	border-radius: var(--pl-radius);
	border: 1px solid var(--pl-border);
	background: var(--color-cream);
	text-align: center;
}

.pulse-lab__cwv-ring {
	position: relative;
	width: 96px;
	height: 96px;
	margin: 0 auto var(--space-3);
}

.pulse-lab__cwv-ring svg {
	width: 100%;
	height: 100%;
	transform: rotate(-90deg);
}

.pulse-lab__cwv-ring-bg {
	fill: none;
	stroke: rgba(30, 58, 95, 0.1);
	stroke-width: 6;
}

.pulse-lab__cwv-ring-fg {
	fill: none;
	stroke-width: 6;
	stroke-linecap: round;
	transition: stroke-dashoffset 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.pulse-lab__cwv-ring-fg.is-good { stroke: #16a34a; }
.pulse-lab__cwv-ring-fg.is-warn { stroke: #d97706; }
.pulse-lab__cwv-ring-fg.is-bad { stroke: #dc2626; }

.pulse-lab__cwv-value {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	font-family: var(--font-display);
	font-size: 1.125rem;
	font-weight: 700;
	color: var(--pl-navy);
}

.pulse-lab__cwv-label {
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--pl-navy);
	margin-bottom: var(--space-1);
}

.pulse-lab__cwv-hint {
	font-size: 0.75rem;
	color: var(--pl-muted);
}

.pulse-lab__cwv-toggle {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-3);
	margin-top: var(--space-5);
}

.pulse-lab__toggle {
	appearance: none;
	border: 1px solid var(--pl-border);
	background: var(--color-white);
	padding: 0.5rem 1rem;
	border-radius: var(--radius-pill);
	font: inherit;
	font-size: 0.8125rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.18s ease;
}

.pulse-lab__toggle.is-active {
	background: var(--pl-navy);
	color: var(--pl-cream);
	border-color: var(--pl-navy);
}

/* Speed slider */
.pulse-lab__slider-wrap {
	max-width: 640px;
	margin-inline: auto;
}

.pulse-lab__compare {
	position: relative;
	border-radius: var(--pl-radius);
	overflow: hidden;
	border: 1px solid var(--pl-border);
	aspect-ratio: 16 / 10;
	background: #0f172a;
	user-select: none;
	touch-action: none;
}

.pulse-lab__compare-pane {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	padding: var(--space-5);
}

.pulse-lab__compare-pane--before {
	background: linear-gradient(135deg, #334155 0%, #1e293b 100%);
	z-index: 1;
}

.pulse-lab__compare-pane--after {
	background: linear-gradient(135deg, var(--color-navy) 0%, #15294a 100%);
	z-index: 2;
	clip-path: inset(0 0 0 50%);
}

.pulse-lab__compare-mock {
	width: min(92%, 380px);
	padding: var(--space-4);
	border-radius: 10px;
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.12);
	color: var(--pl-cream);
	text-align: left;
}

.pulse-lab__compare-mock h4 {
	margin: 0 0 var(--space-2);
	font-size: 0.9375rem;
	color: var(--pl-cream);
}

.pulse-lab__compare-mock p {
	margin: 0;
	font-size: 0.8125rem;
	opacity: 0.75;
	line-height: 1.5;
}

.pulse-lab__compare-mock .pulse-lab__mock-bar {
	height: 8px;
	border-radius: 4px;
	background: rgba(255, 255, 255, 0.15);
	margin-top: var(--space-3);
	overflow: hidden;
}

.pulse-lab__compare-mock .pulse-lab__mock-bar span {
	display: block;
	height: 100%;
	border-radius: 4px;
	background: var(--pl-gold);
}

.pulse-lab__compare-mock.is-slow .pulse-lab__mock-bar span { width: 28%; background: #ef4444; }
.pulse-lab__compare-mock.is-fast .pulse-lab__mock-bar span { width: 94%; background: #22c55e; }

.pulse-lab__compare-handle {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 50%;
	width: 3px;
	background: var(--pl-gold);
	z-index: 3;
	transform: translateX(-50%);
	cursor: ew-resize;
}

.pulse-lab__compare-handle::after {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 36px;
	height: 36px;
	border-radius: 50%;
	background: var(--pl-gold);
	border: 3px solid var(--color-white);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.pulse-lab__slider-input {
	width: 100%;
	margin-top: var(--space-4);
	accent-color: var(--pl-gold);
}

.pulse-lab__slider-labels {
	display: flex;
	justify-content: space-between;
	font-size: 0.8125rem;
	color: var(--pl-muted);
	margin-top: var(--space-2);
}

/* Components playground */
.pulse-lab__components {
	display: grid;
	gap: var(--space-5);
}

@media (min-width: 768px) {
	.pulse-lab__components {
		grid-template-columns: 1fr 1fr;
	}
}

.pulse-lab__comp-card {
	padding: var(--space-5);
	border-radius: var(--pl-radius);
	border: 1px solid var(--pl-border);
	background: var(--color-cream);
}

.pulse-lab__comp-card h4 {
	font-size: 0.9375rem;
	margin-bottom: var(--space-4);
	color: var(--pl-navy);
}

.pulse-lab__btn-row {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-2);
}

.pulse-lab__demo-btn {
	appearance: none;
	border: 1px solid var(--pl-border);
	background: var(--color-white);
	color: var(--pl-navy);
	font: inherit;
	font-size: 0.8125rem;
	font-weight: 600;
	padding: 0.5rem 0.9rem;
	border-radius: 8px;
	cursor: pointer;
	transition: all 0.18s ease;
}

.pulse-lab__demo-btn:hover {
	border-color: var(--pl-navy);
}

.pulse-lab__demo-btn--primary {
	background: var(--pl-navy);
	color: var(--pl-cream);
	border-color: var(--pl-navy);
}

.pulse-lab__demo-btn--gold {
	background: var(--pl-accent);
	color: var(--color-white);
	border-color: var(--pl-accent);
}

.pulse-lab__demo-field {
	display: grid;
	gap: var(--space-2);
	margin-bottom: var(--space-3);
}

.pulse-lab__demo-field label {
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--pl-navy);
}

.pulse-lab__demo-field input {
	padding: 0.55rem 0.75rem;
	border-radius: 8px;
	border: 1px solid var(--pl-border);
	font: inherit;
	font-size: 0.9375rem;
	background: var(--color-white);
	transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.pulse-lab__demo-field input:focus {
	outline: none;
	border-color: var(--pl-navy);
	box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.12);
}

.pulse-lab__toast {
	position: fixed;
	bottom: calc(80px + env(safe-area-inset-bottom, 0px));
	left: 50%;
	transform: translateX(-50%) translateY(12px);
	padding: 0.65rem 1rem;
	border-radius: var(--radius-pill);
	background: var(--pl-navy);
	color: var(--pl-cream);
	font-size: 0.8125rem;
	font-weight: 500;
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.25s ease, transform 0.25s ease;
	z-index: 999;
}

.pulse-lab__toast.is-visible {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}

@media (max-width: 640px) {
	.pulse-lab__chrome {
		flex-direction: column;
		align-items: stretch;
	}

	.pulse-lab__nav {
		order: 3;
	}

	.pulse-lab__route-badge {
		align-self: flex-start;
	}

	.pulse-lab__body {
		min-height: 480px;
		padding: var(--space-4);
	}
}

@media (prefers-reduced-motion: reduce) {
	.pulse-lab__view,
	.pulse-lab__cwv-ring-fg,
	.pulse-lab__toast,
	.zs-labs-kicker__dot {
		animation: none !important;
		transition: none !important;
	}
}