/**
 * PageSpeed Insights resource — interactive guide UI.
 */

.ll-pagespeed {
	--ll-psi-glow-gold: rgba(232, 163, 23, 0.35);
	--ll-psi-glow-blue: rgba(91, 156, 255, 0.28);
	--ll-psi-success: #34d399;
}

.ll-pagespeed__progress {
	position: fixed;
	top: var(--ll-header-h, 72px);
	left: 0;
	right: 0;
	height: 3px;
	z-index: 40;
	background: rgba(148, 163, 184, 0.12);
	pointer-events: none;
}

.ll-pagespeed__progress-fill {
	height: 100%;
	width: 0;
	background: linear-gradient(90deg, var(--ll-accent-blue), var(--ll-accent));
	transition: width 120ms linear;
	box-shadow: 0 0 12px var(--ll-psi-glow-gold);
}

/* Hero */
.ll-pagespeed-hero {
	position: relative;
	overflow: hidden;
	padding-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.ll-pagespeed-hero__inner {
	position: relative;
	z-index: 1;
}

.ll-pagespeed-hero__ambient {
	position: absolute;
	inset: 0;
	pointer-events: none;
	overflow: hidden;
}

.ll-pagespeed-hero__mesh {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
	background-size: 40px 40px;
	mask-image: radial-gradient(ellipse 85% 75% at 50% 0%, #000 15%, transparent 72%);
}

.ll-pagespeed-hero__orb {
	position: absolute;
	border-radius: 50%;
	filter: blur(80px);
	opacity: 0.4;
	animation: ll-psi-orb-drift 20s ease-in-out infinite alternate;
}

.ll-pagespeed-hero__orb--gold {
	width: 300px;
	height: 300px;
	top: -60px;
	left: 8%;
	background: var(--ll-psi-glow-gold);
}

.ll-pagespeed-hero__orb--blue {
	width: 260px;
	height: 260px;
	top: -30px;
	right: 6%;
	background: var(--ll-psi-glow-blue);
	animation-delay: -7s;
}

.ll-pagespeed-hero__scan {
	position: absolute;
	left: 0;
	right: 0;
	height: 2px;
	top: 30%;
	background: linear-gradient(90deg, transparent, rgba(91, 156, 255, 0.55), transparent);
	animation: ll-psi-scan 6s ease-in-out infinite;
	opacity: 0.6;
}

@keyframes ll-psi-orb-drift {
	from { transform: translate(0, 0) scale(1); }
	to { transform: translate(24px, 18px) scale(1.08); }
}

@keyframes ll-psi-scan {
	0%, 100% { transform: translateY(-120px); opacity: 0; }
	15% { opacity: 0.7; }
	50% { transform: translateY(280px); opacity: 0.5; }
	85% { opacity: 0; }
}

/* Sticky nav */
.ll-pagespeed-nav {
	position: sticky;
	top: calc(var(--ll-header-h, 72px) + 3px);
	z-index: 30;
	background: rgba(11, 18, 32, 0.92);
	backdrop-filter: blur(12px);
	border-bottom: 1px solid var(--ll-border);
}

.ll-pagespeed-nav__list {
	display: flex;
	gap: 0.25rem;
	margin: 0;
	padding: 0.65rem 0;
	list-style: none;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: none;
}

.ll-pagespeed-nav__list::-webkit-scrollbar {
	display: none;
}

.ll-pagespeed-nav__list a {
	display: block;
	padding: 0.45rem 0.85rem;
	border-radius: 999px;
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--ll-muted);
	text-decoration: none;
	white-space: nowrap;
	transition: color var(--ll-transition), background var(--ll-transition);
}

.ll-pagespeed-nav__list a:hover,
.ll-pagespeed-nav__list a.is-active {
	color: var(--ll-ink);
	background: rgba(91, 156, 255, 0.12);
}

/* Sections */
.ll-pagespeed-section {
	scroll-margin-top: calc(var(--ll-header-h, 72px) + 56px);
}

.ll-pagespeed-section__header {
	margin-bottom: var(--ll-space-xl);
}

.ll-pagespeed-section__header .ll-lead {
	margin-bottom: var(--ll-space-md);
}

.ll-reveal {
	opacity: 0;
	transform: translateY(18px);
	transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.ll-reveal.is-visible {
	opacity: 1;
	transform: translateY(0);
}

/* Why + funnel */
.ll-pagespeed-split {
	display: grid;
	gap: var(--ll-space-xl);
	align-items: start;
}

@media (min-width: 900px) {
	.ll-pagespeed-split {
		grid-template-columns: 1fr 1fr;
	}
}

.ll-pagespeed-split__copy h2 {
	margin-top: 0;
}

.ll-pagespeed-funnel {
	padding: var(--ll-space-lg);
	background: var(--ll-surface);
	border: 1px solid var(--ll-border);
	border-radius: calc(var(--ll-radius) * 2);
	box-shadow: 0 0 0 1px rgba(91, 156, 255, 0.06);
}

.ll-pagespeed-funnel__toggle {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.5rem;
	margin-bottom: var(--ll-space-lg);
	padding: 0.35rem;
	background: var(--ll-surface-raised);
	border-radius: 999px;
}

.ll-pagespeed-funnel__toggle button {
	border: 0;
	padding: 0.55rem 0.75rem;
	border-radius: 999px;
	font: inherit;
	font-size: 0.8125rem;
	font-weight: 700;
	cursor: pointer;
	color: var(--ll-muted);
	background: transparent;
	transition: background var(--ll-transition), color var(--ll-transition), box-shadow var(--ll-transition);
}

.ll-pagespeed-funnel__toggle button.is-active {
	color: var(--ll-accent-text);
	background: var(--ll-accent);
	box-shadow: 0 0 20px var(--ll-psi-glow-gold);
}

.ll-pagespeed-funnel__toggle button[data-pagespeed-funnel-mode="fast"].is-active {
	background: var(--ll-accent-blue);
	color: #fff;
	box-shadow: 0 0 20px var(--ll-psi-glow-blue);
}

.ll-pagespeed-funnel__steps {
	margin: 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 0.85rem;
}

.ll-pagespeed-funnel__steps li {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	padding: 0.85rem 1rem;
	background: var(--ll-surface-raised);
	border-radius: var(--ll-radius);
	border: 1px solid var(--ll-border);
	font-size: 0.9375rem;
}

.ll-pagespeed-funnel__outcome {
	border-color: rgba(232, 163, 23, 0.35);
}

.ll-pagespeed-funnel__outcome[data-pagespeed-funnel-outcome="fast"] {
	border-color: rgba(52, 211, 153, 0.35);
}

/* display:flex/grid on these elements overrides the native [hidden] rule */
.ll-pagespeed-funnel__outcome[hidden] {
	display: none !important;
}

.ll-pagespeed-funnel__icon {
	font-size: 1.25rem;
	line-height: 1;
}

/* CWV explorer */
.ll-pagespeed-cwv {
	display: grid;
	gap: var(--ll-space-lg);
	padding: var(--ll-space-lg);
	background: var(--ll-surface);
	border: 1px solid var(--ll-border);
	border-radius: calc(var(--ll-radius) * 2);
}

@media (min-width: 768px) {
	.ll-pagespeed-cwv {
		padding: var(--ll-space-xl);
	}
}

.ll-pagespeed-cwv__tabs {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 0.5rem;
}

.ll-pagespeed-cwv__tab {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.25rem;
	padding: 0.85rem 0.5rem;
	border: 1px solid var(--ll-border);
	border-radius: var(--ll-radius);
	background: var(--ll-surface-raised);
	cursor: pointer;
	font: inherit;
	color: var(--ll-muted);
	transition: border-color var(--ll-transition), color var(--ll-transition), transform var(--ll-transition), box-shadow var(--ll-transition);
}

.ll-pagespeed-cwv__tab:hover {
	border-color: rgba(91, 156, 255, 0.35);
	color: var(--ll-ink);
}

.ll-pagespeed-cwv__tab.is-active {
	border-color: rgba(91, 156, 255, 0.55);
	color: var(--ll-ink);
	box-shadow: 0 0 24px rgba(91, 156, 255, 0.15);
	transform: translateY(-2px);
}

.ll-pagespeed-cwv__tab-label {
	font-family: var(--ll-display);
	font-size: 1.125rem;
	font-weight: 700;
}

.ll-pagespeed-cwv__tab-target {
	font-size: 0.75rem;
	color: var(--ll-accent);
	font-weight: 600;
}

.ll-pagespeed-cwv__tab:focus-visible {
	outline: 2px solid var(--ll-accent-blue);
	outline-offset: 2px;
}

.ll-pagespeed-cwv__panels {
	display: grid;
	min-height: 16rem;
}

.ll-pagespeed-cwv__panel {
	grid-area: 1 / 1;
	display: none;
	grid-template-columns: 1fr;
	gap: var(--ll-space-lg);
	align-items: start;
	opacity: 0;
	transform: translateY(8px);
	transition:
		opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
		transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.ll-pagespeed-cwv__panel.is-active {
	display: grid;
	opacity: 1;
	transform: translateY(0);
}

.ll-pagespeed-cwv__panel[hidden] {
	display: none !important;
	opacity: 0;
	pointer-events: none;
}

@media (min-width: 768px) {
	.ll-pagespeed-cwv__panel.is-active {
		grid-template-columns: auto 1fr;
		align-items: center;
	}
}

.ll-pagespeed-cwv__gauge {
	position: relative;
	width: 120px;
	height: 120px;
	margin: 0 auto;
}

.ll-pagespeed-cwv__ring {
	width: 100%;
	height: 100%;
	transform: rotate(-90deg);
}

.ll-pagespeed-cwv__ring-track {
	fill: none;
	stroke: rgba(148, 163, 184, 0.15);
	stroke-width: 8;
}

.ll-pagespeed-cwv__ring-fill {
	fill: none;
	stroke: var(--ll-accent-blue);
	stroke-width: 8;
	stroke-linecap: round;
	stroke-dasharray: 327;
	stroke-dashoffset: 327;
	transition: stroke-dashoffset 0.9s cubic-bezier(0.16, 1, 0.3, 1), stroke 0.3s ease;
}

.ll-pagespeed-cwv__panel[data-pagespeed-cwv-panel="lcp"] .ll-pagespeed-cwv__ring-fill {
	stroke: var(--ll-accent);
}

.ll-pagespeed-cwv__panel[data-pagespeed-cwv-panel="inp"] .ll-pagespeed-cwv__ring-fill {
	stroke: var(--ll-accent-blue);
}

.ll-pagespeed-cwv__panel[data-pagespeed-cwv-panel="cls"] .ll-pagespeed-cwv__ring-fill {
	stroke: var(--ll-psi-success);
}

.ll-pagespeed-cwv__gauge-label {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--ll-display);
	font-weight: 700;
	font-size: 1.25rem;
	color: var(--ll-ink);
}

.ll-pagespeed-cwv__body h3 {
	margin: 0 0 0.75rem;
	font-size: 1rem;
}

.ll-pagespeed-cwv__summary {
	margin: 0 0 var(--ll-space-md);
	font-size: 1.05rem;
	line-height: 1.65;
	color: var(--ll-text);
}

.ll-pagespeed-psi-steps {
	margin-top: var(--ll-space-xl);
	padding: var(--ll-space-lg);
	background: var(--ll-surface-raised);
	border-radius: var(--ll-radius);
	border: 1px solid var(--ll-border);
}

.ll-pagespeed-psi-steps h3 {
	margin-top: 0;
}

.ll-pagespeed-psi-steps__list {
	margin: 0 0 var(--ll-space-md);
	padding-left: 1.25rem;
	line-height: 1.7;
}

/* Checklist */
.ll-pagespeed-checklist__meta {
	display: flex;
	align-items: center;
	gap: var(--ll-space-md);
	margin-top: var(--ll-space-md);
}

.ll-pagespeed-checklist__meter {
	flex: 1;
	max-width: 280px;
	height: 8px;
	background: rgba(148, 163, 184, 0.15);
	border-radius: 999px;
	overflow: hidden;
}

.ll-pagespeed-checklist__meter-fill {
	height: 100%;
	width: 0;
	background: linear-gradient(90deg, var(--ll-accent-blue), var(--ll-psi-success));
	border-radius: 999px;
	transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.ll-pagespeed-checklist__count {
	margin: 0;
	font-size: 0.875rem;
	font-weight: 700;
	color: var(--ll-accent);
	min-width: 4rem;
}

.ll-pagespeed-checklist {
	margin: 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 0.65rem;
}

.ll-pagespeed-checklist__label {
	display: flex;
	gap: var(--ll-space-md);
	align-items: flex-start;
	padding: var(--ll-space-md) var(--ll-space-lg);
	background: var(--ll-surface);
	border: 1px solid var(--ll-border);
	border-radius: var(--ll-radius);
	cursor: pointer;
	transition: border-color var(--ll-transition), background var(--ll-transition), transform var(--ll-transition);
}

.ll-pagespeed-checklist__label:hover {
	border-color: rgba(91, 156, 255, 0.35);
}

.ll-pagespeed-checklist__item.is-checked .ll-pagespeed-checklist__label {
	border-color: rgba(52, 211, 153, 0.4);
	background: rgba(52, 211, 153, 0.06);
}

.ll-pagespeed-checklist__label input {
	position: absolute;
	opacity: 0;
	width: 1px;
	height: 1px;
}

.ll-pagespeed-checklist__box {
	flex-shrink: 0;
	width: 22px;
	height: 22px;
	margin-top: 2px;
	border: 2px solid rgba(148, 163, 184, 0.45);
	border-radius: 4px;
	position: relative;
	transition: border-color var(--ll-transition), background var(--ll-transition);
}

.ll-pagespeed-checklist__item.is-checked .ll-pagespeed-checklist__box {
	border-color: var(--ll-psi-success);
	background: var(--ll-psi-success);
}

.ll-pagespeed-checklist__item.is-checked .ll-pagespeed-checklist__box::after {
	content: "";
	position: absolute;
	left: 6px;
	top: 2px;
	width: 5px;
	height: 10px;
	border: solid #0b1220;
	border-width: 0 2px 2px 0;
	transform: rotate(45deg);
}

.ll-pagespeed-checklist__text strong {
	display: block;
	margin-bottom: 0.35rem;
	font-size: 0.9375rem;
	line-height: 1.45;
	color: var(--ll-ink);
}

.ll-pagespeed-checklist__text small {
	display: block;
	font-size: 0.8125rem;
	line-height: 1.5;
	color: var(--ll-muted);
}

.ll-pagespeed-checklist__item.is-checked .ll-pagespeed-checklist__text strong {
	text-decoration: line-through;
	text-decoration-color: rgba(148, 163, 184, 0.5);
}

/* Fix groups */
.ll-pagespeed-fixes {
	display: grid;
	gap: 0.75rem;
}

.ll-pagespeed-fixes__group {
	padding: var(--ll-space-md) var(--ll-space-lg);
	background: var(--ll-surface);
	border: 1px solid var(--ll-border);
	border-radius: var(--ll-radius);
}

.ll-pagespeed-fixes__group summary {
	cursor: pointer;
	font-weight: 700;
	color: var(--ll-ink);
	list-style: none;
	position: relative;
	padding-right: 1.5rem;
}

.ll-pagespeed-fixes__group summary::-webkit-details-marker {
	display: none;
}

.ll-pagespeed-fixes__group summary::after {
	content: "";
	position: absolute;
	right: 0;
	top: 50%;
	width: 8px;
	height: 8px;
	border-right: 2px solid var(--ll-muted);
	border-bottom: 2px solid var(--ll-muted);
	transform: translateY(-70%) rotate(45deg);
	transition: transform 0.25s ease;
}

.ll-pagespeed-fixes__group[open] summary::after {
	transform: translateY(-30%) rotate(225deg);
}

.ll-pagespeed-fixes__group ul {
	margin: var(--ll-space-md) 0 0;
}

/* Stack cards */
.ll-pagespeed-stack {
	padding: var(--ll-space-xl);
	background: linear-gradient(145deg, rgba(91, 156, 255, 0.08), rgba(232, 163, 23, 0.06));
	border: 1px solid var(--ll-border);
	border-radius: calc(var(--ll-radius) * 2);
}

.ll-pagespeed-stack h2 {
	margin-top: 0;
}

.ll-pagespeed-stack__cards {
	display: grid;
	gap: var(--ll-space-md);
	margin: var(--ll-space-lg) 0;
}

@media (min-width: 900px) {
	.ll-pagespeed-stack__cards {
		grid-template-columns: repeat(3, 1fr);
	}
}

.ll-pagespeed-stack__card {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	padding: var(--ll-space-lg);
	background: var(--ll-surface);
	border: 1px solid var(--ll-border);
	border-radius: var(--ll-radius);
	min-height: 100%;
}

.ll-pagespeed-stack__card--primary {
	border-color: rgba(232, 163, 23, 0.35);
	box-shadow: 0 0 32px rgba(232, 163, 23, 0.08);
}

.ll-pagespeed-stack__step {
	margin: 0;
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--ll-accent);
}

.ll-pagespeed-stack__card h3 {
	margin: 0;
	font-size: 1.125rem;
}

.ll-pagespeed-stack__card p {
	margin: 0;
	flex: 1;
	font-size: 0.9375rem;
	line-height: 1.6;
	color: var(--ll-muted);
}

.ll-pagespeed-stack__card .ll-btn {
	align-self: flex-start;
	margin-top: 0.5rem;
}

.ll-pagespeed-stack__care {
	margin: 0;
	font-size: 0.875rem;
	color: var(--ll-muted);
	line-height: 1.6;
}

@media print {
	.ll-pagespeed__progress,
	.ll-pagespeed-nav,
	.ll-pagespeed-hero__ambient,
	.ll-pagespeed-funnel__toggle {
		display: none !important;
	}

	.ll-reveal {
		opacity: 1 !important;
		transform: none !important;
	}
}