/* ==========================================================================
   About page — v1.9.3 optimization (density, perf, polish)
   Scoped: .iuk-about
   ========================================================================== */

/* —— Animation gating —— */
.iuk-about.ab-anim-paused .ab-page__light-pass::before,
.iuk-about.ab-anim-paused .ab-hero__sweep::before {
	animation-play-state: paused;
}

.iuk-about #ab-metrics:not(.is-animating) .ab-metric.stat-card.is-in {
	animation: none;
}

.iuk-about .ab-network:not(.is-network-live) .ab-network__link--travel,
.iuk-about .ab-network:not(.is-network-live) .ab-network__node--hub::before {
	animation-play-state: paused;
}

.iuk-about .ab-network:not(.is-network-live) .ab-network__node--hub::before {
	opacity: 0.5;
}

/* —— Lower-page atmosphere (no new sections) —— */
.iuk-about .ab-section--lift {
	position: relative;
}

.iuk-about .ab-section__atmos {
	position: absolute;
	inset: 0;
	pointer-events: none;
	z-index: 0;
	background:
		radial-gradient(ellipse 70% 45% at 50% 0%, rgba(6, 182, 212, 0.06) 0%, transparent 55%),
		radial-gradient(ellipse 50% 30% at 85% 100%, rgba(6, 182, 212, 0.04) 0%, transparent 50%);
	opacity: 0.9;
}

.iuk-about .ab-section--lift > .iuk-container,
.iuk-about .ab-section--lift > .ab-excellence__inner {
	position: relative;
	z-index: 1;
}

.iuk-about .ab-network-wrap.ab-section--lift::before {
	content: '';
	position: absolute;
	inset: 0;
	pointer-events: none;
	background: radial-gradient(ellipse 80% 50% at 50% 100%, rgba(6, 182, 212, 0.05) 0%, transparent 60%);
}

.iuk-about .ab-excellence.ab-section--lift::after {
	content: '';
	position: absolute;
	inset: 0;
	pointer-events: none;
	background: linear-gradient(180deg, transparent 0%, rgba(6, 182, 212, 0.03) 100%);
}

.iuk-about .ab-cta.ab-section--lift::before {
	content: '';
	position: absolute;
	inset: 0;
	pointer-events: none;
	background:
		radial-gradient(ellipse 60% 40% at 20% 50%, rgba(6, 182, 212, 0.07) 0%, transparent 55%),
		radial-gradient(ellipse 50% 35% at 80% 30%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
}

.iuk-about .ab-cta .av-cta__glow {
	filter: blur(36px);
	opacity: 0.75;
	transform: translateZ(0);
}

/* —— Network — full canvas —— */
.iuk-about .ab-network--expanded {
	min-height: clamp(340px, 42vw, 460px);
	padding: 1rem 0.65rem 2.25rem;
	aspect-ratio: 2.15 / 1;
	max-height: 480px;
}

/* Network stage positioning — see about-layout.css */

.iuk-about .ab-network__field {
	position: absolute;
	inset: 0;
	pointer-events: none;
	z-index: 1;
	background:
		radial-gradient(ellipse 55% 45% at 48% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 70%),
		linear-gradient(180deg, rgba(6, 182, 212, 0.02) 0%, transparent 40%, rgba(6, 182, 212, 0.02) 100%);
	opacity: 0.85;
}

.iuk-about .ab-network__scan {
	display: none;
}

.iuk-about .ab-network__ring {
	stroke: rgba(6, 182, 212, 0.12);
	stroke-width: 0.35;
	vector-effect: non-scaling-stroke;
}

.iuk-about .ab-network__ring--outer {
	stroke: rgba(6, 182, 212, 0.07);
	stroke-width: 0.25;
}

.iuk-about .ab-network__hub-glow {
	display: none;
}

.iuk-about .ab-network__link.is-active {
	stroke-width: 0.5;
	box-shadow: none;
}

.iuk-about .ab-network__link--travel {
	filter: none;
	stroke-width: 0.55;
}

.iuk-about .ab-network__node.is-pulse::after {
	box-shadow: 0 0 14px rgba(6, 182, 212, 0.2);
}

.iuk-about .ab-network__node--hub::before {
	animation-duration: 3.5s;
}

.iuk-about .ab-network__node[data-code].is-target {
	transform: translate3d(-50%, -50%, 0) scale(1.05);
}

/* —— Editorial — dense ops deck —— */
.iuk-about .ab-editorial__aside-tiles {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 0.5rem;
	margin-top: 1.25rem;
}

.iuk-about .ab-editorial__aside-tile {
	padding: 0.55rem 0.45rem;
	text-align: center;
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid rgba(255, 255, 255, 0.08);
	border-radius: 8px;
}

.iuk-about .ab-editorial__aside-tile strong {
	display: block;
	font-size: 0.75rem;
	font-weight: 700;
	color: #fff;
	line-height: 1.2;
	margin-bottom: 0.15rem;
}

.iuk-about .ab-editorial__aside-tile span {
	font-size: 0.5625rem;
	color: var(--av-muted);
	line-height: 1.25;
}

.iuk-about .ab-editorial__panel {
	padding: 1.25rem 1.2rem 1.35rem;
}

.iuk-about .ab-ops-deck {
	padding: 1rem 1rem 1.1rem;
	background: rgba(11, 17, 32, 0.9);
	border: 1px solid rgba(255, 255, 255, 0.1);
	border-radius: 12px;
	margin-bottom: 1.15rem;
}

.iuk-about .ab-ops-deck__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	margin-bottom: 0.85rem;
}

.iuk-about .ab-ops-deck__ref {
	font-size: 0.625rem;
	font-weight: 600;
	letter-spacing: 0.12em;
	color: rgba(255, 255, 255, 0.45);
}

.iuk-about .ab-ops-deck__status {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 0.45rem;
	margin-bottom: 0.85rem;
}

@media (min-width: 520px) {
	.iuk-about .ab-ops-deck__status {
		grid-template-columns: repeat(3, 1fr);
	}
}

.iuk-about .ab-ops-deck__cell {
	display: flex;
	flex-direction: column;
	gap: 0.2rem;
	padding: 0.5rem 0.55rem;
	background: rgba(255, 255, 255, 0.03);
	border: 1px solid rgba(255, 255, 255, 0.07);
	border-radius: 8px;
	transition: border-color 0.35s, opacity 0.35s;
}

.iuk-about .ab-ops-deck__cell.is-live {
	border-color: rgba(6, 182, 212, 0.35);
	background: rgba(6, 182, 212, 0.06);
}

.iuk-about .ab-ops-deck__cell span {
	font-size: 0.5625rem;
	color: var(--av-muted);
	line-height: 1.3;
}

.iuk-about .ab-ops-deck__cell strong {
	font-size: 0.6875rem;
	font-weight: 700;
	color: #fff;
}

.iuk-about .ab-ops-deck__flow {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.35rem 0.25rem;
	margin-bottom: 0.75rem;
	padding-bottom: 0.75rem;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.iuk-about .ab-ops-deck__step {
	font-size: 0.625rem;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	padding: 0.35rem 0.55rem;
	border-radius: 6px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	color: rgba(255, 255, 255, 0.55);
	transition: border-color 0.35s, color 0.35s, opacity 0.35s;
}

.iuk-about .ab-ops-deck__step.is-live {
	border-color: rgba(6, 182, 212, 0.4);
	color: #fff;
	background: rgba(6, 182, 212, 0.08);
}

.iuk-about .ab-ops-deck__arrow {
	width: 0.5rem;
	height: 1px;
	background: rgba(255, 255, 255, 0.2);
	flex-shrink: 0;
}

.iuk-about .ab-ops-deck__delivery {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 0.45rem;
	margin-bottom: 0.75rem;
}

.iuk-about .ab-ops-deck__delivery-item {
	text-align: center;
	padding: 0.5rem 0.35rem;
	border-radius: 8px;
	border: 1px solid rgba(255, 255, 255, 0.07);
	background: rgba(255, 255, 255, 0.02);
	transition: border-color 0.35s;
}

.iuk-about .ab-ops-deck__delivery-item.is-live {
	border-color: rgba(6, 182, 212, 0.35);
}

.iuk-about .ab-ops-deck__delivery-item span {
	display: block;
	font-size: 0.5625rem;
	color: var(--av-muted);
	margin-bottom: 0.15rem;
}

.iuk-about .ab-ops-deck__delivery-item strong {
	font-size: 0.6875rem;
	font-weight: 700;
	color: #fff;
}

.iuk-about .ab-ops-deck__mission {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 0.45rem;
}

.iuk-about .ab-ops-deck__phase {
	text-align: center;
	padding: 0.45rem 0.35rem;
	border: 1px solid rgba(255, 255, 255, 0.07);
	border-radius: 8px;
	transition: border-color 0.35s;
}

.iuk-about .ab-ops-deck__phase.is-live {
	border-color: rgba(6, 182, 212, 0.35);
	background: rgba(6, 182, 212, 0.05);
}

.iuk-about .ab-ops-deck__phase span {
	display: block;
	font-size: 0.5625rem;
	color: var(--av-muted);
	margin-bottom: 0.15rem;
}

.iuk-about .ab-ops-deck__phase strong {
	font-size: 0.6875rem;
	font-weight: 700;
	color: #fff;
}

.iuk-about .ab-editorial__panel .ab-editorial__prose {
	margin-top: 0;
}

.iuk-about .ab-editorial__mega {
	margin-bottom: 0.25rem;
}

/* —— CTA typography —— */
.iuk-about .ab-cta__title.av-cta__title {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.15rem;
	max-width: 18ch;
	margin-left: auto;
	margin-right: auto;
	line-height: 1.12;
	letter-spacing: -0.02em;
}

.iuk-about .ab-cta__title-line {
	display: block;
	white-space: nowrap;
}

.iuk-about .ab-cta__title-line--accent {
	background: linear-gradient(90deg, #fff 0%, rgba(6, 182, 212, 0.95) 100%);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.iuk-about .ab-cta .av-cta__inner {
	padding: 0 1rem;
	gap: 1.25rem;
}

.iuk-about .ab-cta .av-cta__text {
	max-width: 36rem;
	line-height: 1.65;
}

@media (max-width: 480px) {
	.iuk-about .ab-cta__title-line {
		white-space: normal;
		text-align: center;
	}
}

@media (max-width: 767px) {
	.iuk-about .ab-ops-deck__status {
		grid-template-columns: repeat(2, 1fr);
	}

	.iuk-about .ab-network--expanded {
		min-height: 320px;
		aspect-ratio: auto;
		max-height: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.iuk-about .ab-network__field,
	.iuk-about .ab-network__node--hub::before {
		animation: none;
	}
}