/**
 * About — immersive scroll brand page.
 *
 * 10 sections, each with a distinct layout pattern:
 *   1. Thesis:   centered full-viewport hero, film grain
 *   2. Strip:    edge-to-edge auto-scrolling loop
 *   3. Origin:   left-aligned editorial, narrow column
 *   4. Identity: full-width declarations with hairline separators
 *   5. Sound:    large pull quote + offset body text
 *   6. Events:   full-bleed video bg, bottom-left cinematic text
 *   7. Cities:   50/50 split grid with display-scale names
 *   8. Proof:    centered monument, giant red number
 *   9. Vision:   left-aligned trajectory timeline
 *  10. CTA:      centered button cluster
 */

.slist-main--about {
	padding: 0;
	overflow-x: hidden;
}

/* ================================================================
   Scroll reveal — elements fade up on enter
   ================================================================ */

.slist-reveal {
	opacity: 0;
	transform: translateY(24px);
	transition:
		opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Stagger children when parent reveals */
.slist-reveal.is-visible .slist-reveal {
	opacity: 1;
	transform: translateY(0);
}

/* ---- Thesis entrance choreography ---- */

.slist-about__thesis-inner .slist-about__thesis-eyebrow,
.slist-about__thesis-inner .slist-about__thesis-title,
.slist-about__thesis-inner .slist-about__thesis-sub {
	opacity: 0;
	transform: translateY(20px);
	transition:
		opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.slist-about__thesis-inner.is-visible .slist-about__thesis-eyebrow,
.slist-about__thesis-inner.is-visible .slist-about__thesis-title,
.slist-about__thesis-inner.is-visible .slist-about__thesis-sub {
	opacity: 1;
	transform: translateY(0);
}

.slist-about__thesis-title {
	will-change: transform, opacity;
}

/* ---- Declaration line-by-line reveal ---- */

.slist-about__declaration.slist-decl-anim {
	opacity: 0;
	transform: translateX(-16px);
	transition:
		opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.slist-about__declaration.slist-decl-anim.is-visible {
	opacity: 1;
	transform: translateX(0);
}

/* ---- Redline grow ---- */

.slist-about__redline.slist-redline-anim {
	width: 0;
	transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.slist-about__redline.slist-redline-anim.is-visible {
	width: 40px;
}

/* ---- Trajectory stagger ---- */

.slist-about__trajectory-phase.slist-traj-anim {
	opacity: 0;
	transform: translateY(12px);
	transition:
		opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.slist-about__trajectory-phase.slist-traj-anim.is-visible {
	opacity: 1;
	transform: translateY(0);
}

.slist-about__trajectory-line.slist-trajline-anim {
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.slist-about__trajectory-line.slist-trajline-anim.is-visible {
	transform: scaleX(1);
}

@media (max-width: 767px) {
	.slist-about__trajectory-line.slist-trajline-anim {
		transform: scaleY(0);
		transform-origin: top;
	}

	.slist-about__trajectory-line.slist-trajline-anim.is-visible {
		transform: scaleY(1);
	}
}

/* ---- City slide-in ---- */

.slist-about__city.slist-city-anim {
	opacity: 0;
	transform: translateX(-24px);
	transition:
		opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.slist-about__city--right.slist-city-anim {
	transform: translateX(24px);
}

.slist-about__city.slist-city-anim.is-visible {
	opacity: 1;
	transform: translateX(0);
}

/* ================================================================
   Shared section elements
   ================================================================ */

.slist-about__section {
	padding: var(--slist-space-10) 16px;
	border-bottom: 1px solid var(--slist-separator);
}

.slist-about__section:last-child {
	border-bottom: none;
}

@media (min-width: 768px) {
	.slist-about__section {
		padding: var(--slist-space-10) 48px;
	}
}

.slist-about__redline {
	width: 40px;
	height: 3px;
	background: var(--slist-primary);
	margin-bottom: var(--slist-space-5);
}

.slist-about__heading-xl {
	font-family: var(--slist-font-display);
	font-size: clamp(2rem, 5vw, 3.5rem);
	font-weight: var(--slist-weight-regular);
	letter-spacing: -0.02em;
	line-height: 1.0;
	color: var(--slist-text-primary);
	margin: 0 0 var(--slist-space-5);
}

.slist-about__body-lg {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-title3);
	color: var(--slist-text-primary);
	line-height: 1.4;
	margin: 0 0 var(--slist-space-3);
	max-width: 48ch;
}

.slist-about__body {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-body);
	color: var(--slist-text-secondary);
	line-height: var(--slist-lh-relaxed);
	margin: 0 0 var(--slist-space-3);
	max-width: 48ch;
}

/* ================================================================
   1. THESIS — full viewport, massive type, grain, red glow
   ================================================================ */

.slist-about__thesis {
	min-height: 100vh;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: var(--slist-space-10) 16px;
	border-bottom: 1px solid var(--slist-separator);
	position: relative;
	background:
		radial-gradient(ellipse at 50% 80%, rgba(255, 0, 0, 0.06) 0%, transparent 50%);
}

/* Film grain overlay via SVG feTurbulence */
.slist-about__thesis::after {
	content: "";
	position: absolute;
	inset: 0;
	background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
	background-size: 256px 256px;
	pointer-events: none;
	z-index: 1;
}

.slist-about__thesis-inner {
	position: relative;
	z-index: 2;
}

.slist-about__thesis-eyebrow {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-caption);
	color: var(--slist-text-quaternary);
	letter-spacing: 0.15em;
	text-transform: lowercase;
	margin: 0 0 var(--slist-space-5);
}

.slist-about__thesis-title {
	font-family: var(--slist-font-display);
	font-size: clamp(4rem, 14vw, 10rem);
	font-weight: var(--slist-weight-regular);
	letter-spacing: -0.04em;
	line-height: 0.85;
	color: var(--slist-text-primary);
	margin: 0 0 var(--slist-space-5);
}

.slist-about__thesis-sub {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-body);
	color: var(--slist-text-tertiary);
	margin: 0;
	line-height: 1.6;
}

/* ================================================================
   2. PHOTO STRIP — edge-to-edge infinite auto-scroll
   ================================================================ */

.slist-about__strip {
	overflow: hidden;
	border-bottom: 1px solid var(--slist-separator);
	position: relative;
}

/* Fade edges */
.slist-about__strip::before,
.slist-about__strip::after {
	content: "";
	position: absolute;
	top: 0;
	bottom: 0;
	width: 80px;
	z-index: 2;
	pointer-events: none;
}

.slist-about__strip::before {
	left: 0;
	background: linear-gradient(to right, #000, transparent);
}

.slist-about__strip::after {
	right: 0;
	background: linear-gradient(to left, #000, transparent);
}

.slist-about__strip-track {
	display: flex;
	gap: 4px;
	width: max-content;
	animation: slist-strip-scroll 40s linear infinite;
}

@keyframes slist-strip-scroll {
	0% { transform: translateX(0); }
	100% { transform: translateX(-50%); }
}

.slist-about__strip-frame {
	flex: 0 0 auto;
	width: 300px;
	height: 220px;
	overflow: hidden;
}

@media (min-width: 768px) {
	.slist-about__strip-frame {
		width: 400px;
		height: 280px;
	}
}

@media (min-width: 1024px) {
	.slist-about__strip-frame {
		width: 480px;
		height: 320px;
	}
}

.slist-about__strip-frame img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	filter: grayscale(50%) contrast(1.15) brightness(0.9);
	transform: scale(1);
	transition:
		filter 0.6s cubic-bezier(0.22, 1, 0.36, 1),
		transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.slist-about__strip-frame:hover img {
	filter: grayscale(0%) contrast(1.05) brightness(1);
	transform: scale(1.06);
}

/* ================================================================
   3. ORIGIN — left-aligned editorial, narrow column
   ================================================================ */

.slist-about__origin {
	padding-top: var(--slist-space-10);
	padding-bottom: var(--slist-space-10);
	position: relative;
	overflow: hidden;
}

.slist-about__origin-bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center right;
	filter: grayscale(100%) brightness(0.25);
	z-index: 0;
}

.slist-about__origin-inner {
	position: relative;
	z-index: 1;
	max-width: 640px;
	display: flex;
	flex-direction: column;
	gap: var(--slist-space-8);
}

/* ================================================================
   4. IDENTITY — full-width declarations with hairline separators
   ================================================================ */

.slist-about__identity {
	padding-top: var(--slist-space-10);
	padding-bottom: var(--slist-space-10);
}

.slist-about__identity-inner {
	max-width: var(--slist-content-wide);
}

.slist-about__declarations {
	margin: 0;
}

.slist-about__declaration {
	font-family: var(--slist-font-display);
	font-size: clamp(1.75rem, 4.5vw, 3rem);
	font-weight: var(--slist-weight-regular);
	letter-spacing: -0.01em;
	line-height: 1.2;
	color: var(--slist-text-primary);
	margin: 0;
	padding: var(--slist-space-4) 0;
	border-bottom: 1px solid var(--slist-separator);
}

.slist-about__declaration:first-child {
	border-top: 1px solid var(--slist-separator);
}

.slist-about__identity-body {
	max-width: 560px;
	margin-top: var(--slist-space-7);
}

/* ================================================================
   5. THE SOUND — large pull quote + left-aligned body
   ================================================================ */

.slist-about__sound {
	padding-top: var(--slist-space-10);
	padding-bottom: var(--slist-space-10);
}

.slist-about__sound-inner {
	max-width: 780px;
	display: flex;
	flex-direction: column;
	gap: var(--slist-space-8);
}

.slist-about__sound-quote {
	font-family: var(--slist-font-display);
	font-size: clamp(2rem, 6vw, 4rem);
	font-weight: var(--slist-weight-regular);
	font-style: italic;
	line-height: 1.1;
	color: var(--slist-text-primary);
	margin: 0;
	padding: 0;
	border: none;
}

.slist-about__sound-photo {
	width: 100%;
	height: 280px;
	overflow: hidden;
}

@media (min-width: 768px) {
	.slist-about__sound-photo {
		height: 360px;
	}
}

.slist-about__sound-photo img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	filter: grayscale(40%) contrast(1.1) brightness(0.85);
}

.slist-about__sound-body {
	max-width: 560px;
}

/* ================================================================
   6. THE EVENTS — full-bleed video bg, cinematic bottom-left text
   ================================================================ */

.slist-about__events {
	position: relative;
	min-height: 80vh;
	display: flex;
	align-items: flex-end;
	padding: var(--slist-space-10) 16px;
	border-bottom: 1px solid var(--slist-separator);
	/* Atmospheric fallback when no video/poster is set */
	background:
		radial-gradient(ellipse at 30% 40%, rgba(255, 0, 0, 0.03) 0%, transparent 60%);
}

@media (min-width: 768px) {
	.slist-about__events {
		padding: var(--slist-space-10) 48px;
	}
}

/* Video or poster background */
.slist-about__events-bg {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	z-index: 0;
}

.slist-about__events-bg--poster {
	background-size: cover;
	background-position: center;
}

/* Dark gradient overlay — cinematic bottom fade */
.slist-about__events-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(
		to top,
		rgba(0, 0, 0, 0.92) 0%,
		rgba(0, 0, 0, 0.6) 40%,
		rgba(0, 0, 0, 0.3) 70%,
		transparent 100%
	);
	z-index: 1;
}

.slist-about__events-content {
	position: relative;
	z-index: 2;
	max-width: 560px;
}

.slist-about__events-content .slist-about__body {
	color: rgba(255, 255, 255, 0.7);
}

/* ================================================================
   7. CITIES — 50/50 split grid with display-scale names
   ================================================================ */

.slist-about__cities {
	padding-top: var(--slist-space-10);
	padding-bottom: var(--slist-space-10);
}

.slist-about__cities-grid {
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	max-width: var(--slist-content-wide);
	gap: var(--slist-space-8);
	align-items: center;
}

.slist-about__city {
	display: flex;
	flex-direction: column;
	gap: var(--slist-space-2);
}

.slist-about__city--right {
	text-align: right;
}

.slist-about__city-name {
	font-family: var(--slist-font-display);
	font-size: clamp(3.5rem, 12vw, 8rem);
	font-weight: var(--slist-weight-regular);
	letter-spacing: -0.03em;
	line-height: 0.85;
	color: var(--slist-text-primary);
}

.slist-about__city-role {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-callout);
	color: var(--slist-text-secondary);
}

.slist-about__city-year {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-eyebrow);
	font-weight: var(--slist-weight-semibold);
	letter-spacing: var(--slist-ls-wider);
	color: var(--slist-primary);
}

.slist-about__cities-divider {
	width: 1px;
	height: 120px;
	background: var(--slist-primary);
}

.slist-about__cities-tagline {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-callout);
	color: var(--slist-text-tertiary);
	text-align: center;
	margin: var(--slist-space-8) auto 0;
	max-width: var(--slist-content-wide);
}

@media (max-width: 767px) {
	.slist-about__cities-grid {
		grid-template-columns: 1fr;
		gap: var(--slist-space-5);
		text-align: center;
	}

	.slist-about__city--right {
		text-align: center;
	}

	.slist-about__cities-divider {
		width: 40px;
		height: 1px;
		margin: 0 auto;
	}
}

/* ================================================================
   8. PROOF — centered monument, giant red number
   ================================================================ */

.slist-about__proof {
	padding: var(--slist-space-10) 16px;
	text-align: center;
	border-bottom: 1px solid var(--slist-separator);
	position: relative;
}

/* Subtle red glow behind number */
.slist-about__proof::before {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 400px;
	height: 400px;
	background: radial-gradient(circle, rgba(255, 0, 0, 0.08) 0%, transparent 70%);
	pointer-events: none;
}

.slist-about__proof-inner {
	position: relative;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--slist-space-3);
}

.slist-about__proof-number {
	font-family: var(--slist-font-display);
	font-size: clamp(6rem, 25vw, 16rem);
	font-weight: var(--slist-weight-regular);
	color: var(--slist-primary);
	line-height: 0.8;
	letter-spacing: -0.04em;
}

.slist-about__proof-label {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-eyebrow);
	font-weight: var(--slist-weight-semibold);
	letter-spacing: var(--slist-ls-wider);
	text-transform: uppercase;
	color: var(--slist-text-tertiary);
}

.slist-about__proof-context {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-callout);
	color: var(--slist-text-quaternary);
	margin-top: var(--slist-space-2);
}

/* ================================================================
   9. VISION — left-aligned trajectory timeline
   ================================================================ */

.slist-about__vision {
	padding-top: var(--slist-space-10);
	padding-bottom: var(--slist-space-10);
	position: relative;
	overflow: hidden;
}

.slist-about__vision-bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	filter: grayscale(100%) brightness(0.15);
	z-index: 0;
}

.slist-about__vision-inner {
	position: relative;
	z-index: 1;
	max-width: 640px;
}

.slist-about__trajectory {
	display: flex;
	align-items: center;
	gap: 0;
	margin: var(--slist-space-5) 0;
	padding: var(--slist-space-4) 0;
}

.slist-about__trajectory-phase {
	display: flex;
	flex-direction: column;
	gap: 4px;
	flex: 0 0 auto;
}

.slist-about__trajectory-label {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-eyebrow);
	font-weight: var(--slist-weight-bold);
	letter-spacing: var(--slist-ls-wider);
	text-transform: uppercase;
	color: var(--slist-primary);
}

.slist-about__trajectory-desc {
	font-family: var(--slist-font-body);
	font-size: var(--slist-text-caption);
	color: var(--slist-text-tertiary);
}

.slist-about__trajectory-line {
	flex: 1;
	height: 1px;
	background: var(--slist-separator-medium);
	margin: 0 var(--slist-space-3);
	min-width: 32px;
}

@media (max-width: 767px) {
	.slist-about__trajectory {
		flex-direction: column;
		align-items: flex-start;
		gap: var(--slist-space-3);
	}

	.slist-about__trajectory-line {
		width: 1px;
		height: 24px;
		min-width: 1px;
		margin: 0 0 0 4px;
	}
}

/* ================================================================
   10. CTA — centered button cluster
   ================================================================ */

.slist-about__cta {
	padding-top: var(--slist-space-10);
	padding-bottom: var(--slist-space-10);
}

.slist-about__cta-inner {
	max-width: 640px;
	margin: 0 auto;
}

.slist-about__cta .slist-about__heading-xl {
	margin-bottom: var(--slist-space-5);
}

.slist-about__cta-row--secondary {
	margin-top: var(--slist-space-3);
}

.slist-about__cta-row {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: var(--slist-space-2);
}

@media (max-width: 767px) {
	.slist-about__cta-row {
		flex-direction: column;
		align-items: stretch;
	}

	.slist-about__cta-row .slist-btn {
		text-align: center;
	}
}

/* ================================================================
   Reduced motion — all animations immediately visible
   ================================================================ */

@media (prefers-reduced-motion: reduce) {
	.slist-reveal {
		opacity: 1;
		transform: none;
		transition: none;
	}

	.slist-about__strip-track {
		animation: none;
		overflow-x: auto;
	}

	.slist-about__declaration.slist-decl-anim,
	.slist-about__redline.slist-redline-anim,
	.slist-about__trajectory-phase.slist-traj-anim,
	.slist-about__trajectory-line.slist-trajline-anim,
	.slist-about__city.slist-city-anim {
		opacity: 1;
		transform: none;
		transition: none;
	}

	.slist-about__thesis-inner .slist-about__thesis-eyebrow,
	.slist-about__thesis-inner .slist-about__thesis-title,
	.slist-about__thesis-inner .slist-about__thesis-sub {
		opacity: 1;
		transform: none;
		transition: none;
	}
}