:root {
	color-scheme: dark;
	--bg: #080a0e;
	--panel: #10131a;
	--panel-2: #151923;
	--line: #252b38;
	--line-strong: #394151;
	--text: #f3f1eb;
	--muted: #949baa;
	--faint: #666e7e;
	--brand: #e69405;
	--brand-bright: #ffad14;
	--cyan: #4cc9f0;
	--violet: #a78bfa;
	--pink: #f43f5e;
	--mint: #34d399;
	--shell: 80rem;
	--font:
		Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
		'Segoe UI', sans-serif;
	--mono: 'IBM Plex Mono', 'Cascadia Mono', Consolas, monospace;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 5rem;
	background: var(--bg);
}

body {
	margin: 0;
	min-width: 320px;
	overflow-x: hidden;
	background:
		radial-gradient(circle at 75% 7%, rgb(230 148 5 / 0.1), transparent 25rem),
		linear-gradient(180deg, #0c0f15 0, var(--bg) 44rem);
	color: var(--text);
	font-family: var(--font);
	font-size: 1rem;
	line-height: 1.65;
}

body::before {
	position: fixed;
	inset: 0;
	z-index: -1;
	background-image:
		linear-gradient(rgb(255 255 255 / 0.018) 1px, transparent 1px),
		linear-gradient(90deg, rgb(255 255 255 / 0.018) 1px, transparent 1px);
	background-size: 4rem 4rem;
	mask-image: linear-gradient(to bottom, black, transparent 65%);
	content: '';
	pointer-events: none;
}

a {
	color: inherit;
	text-underline-offset: 0.22em;
}

button,
a {
	-webkit-tap-highlight-color: transparent;
}

button {
	font: inherit;
}

img,
svg {
	display: block;
	max-width: 100%;
}

:focus-visible {
	outline: 2px solid var(--brand-bright);
	outline-offset: 4px;
}

::selection {
	background: rgb(230 148 5 / 0.35);
	color: #fff;
}

.shell {
	width: min(calc(100% - 2rem), var(--shell));
	margin-inline: auto;
}

.skip-link {
	position: fixed;
	top: 0.75rem;
	left: 0.75rem;
	z-index: 100;
	transform: translateY(-180%);
	background: var(--brand);
	color: #111;
	padding: 0.65rem 0.9rem;
	font-weight: 800;
	text-decoration: none;
	transition: transform 160ms ease;
}

.skip-link:focus {
	transform: translateY(0);
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 20;
	border-bottom: 1px solid transparent;
	background: rgb(8 10 14 / 0.78);
	backdrop-filter: blur(16px);
	transition: border-color 160ms ease;
}

.site-header.scrolled {
	border-color: var(--line);
}

.nav-shell {
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: center;
	min-height: 4.6rem;
	gap: 2rem;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.7rem;
	color: var(--text);
	font-size: 1.1rem;
	font-weight: 850;
	letter-spacing: 0.07em;
	text-decoration: none;
}

.brand-mark {
	display: grid;
	width: 2.1rem;
	height: 2.1rem;
	flex: none;
	place-items: center;
	border-radius: 50%;
	background: #000;
	color: var(--brand);
	font-size: 1.2rem;
}

.brand-mark svg {
	width: 1.25rem;
	fill: none;
	stroke: currentcolor;
	stroke-linecap: round;
	stroke-linejoin: round;
	stroke-width: 2.2;
}

.site-nav {
	display: flex;
	justify-content: center;
	gap: clamp(1rem, 2.5vw, 2.4rem);
}

.site-nav a {
	color: var(--muted);
	font-size: 0.82rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	text-decoration: none;
	transition: color 140ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current='true'] {
	color: var(--text);
}

.menu-button {
	display: none;
}

.button {
	display: inline-flex;
	min-height: 3.1rem;
	align-items: center;
	justify-content: center;
	border: 1px solid var(--brand);
	border-radius: 0.35rem;
	background: var(--brand);
	color: #15130c;
	padding: 0.78rem 1.1rem;
	font-size: 0.88rem;
	font-weight: 800;
	letter-spacing: 0.02em;
	line-height: 1;
	text-decoration: none;
	transition:
		transform 150ms ease,
		background 150ms ease,
		border-color 150ms ease;
}

.button:hover {
	transform: translateY(-2px);
	background: var(--brand-bright);
	border-color: var(--brand-bright);
}

.button-small {
	min-height: 2.55rem;
	padding: 0.65rem 0.85rem;
	font-size: 0.78rem;
}

.button-secondary {
	border-color: var(--line-strong);
	background: transparent;
	color: var(--text);
}

.button-secondary:hover {
	border-color: var(--muted);
	background: var(--panel-2);
}

.hero {
	display: grid;
	grid-template-columns: minmax(0, 0.76fr) minmax(36rem, 1.24fr);
	align-items: center;
	gap: clamp(2rem, 5vw, 5.5rem);
	min-height: calc(100vh - 4.6rem);
	padding-block: clamp(4rem, 8vw, 8rem);
}

.eyebrow {
	margin: 0 0 1.15rem;
	color: var(--brand-bright);
	font-family: var(--mono);
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.15em;
	line-height: 1.4;
	text-transform: uppercase;
}

h1,
h2,
h3,
p {
	text-wrap: pretty;
}

h1 {
	max-width: 9ch;
	margin: 0;
	font-size: clamp(3.6rem, 7.2vw, 7rem);
	font-weight: 690;
	letter-spacing: -0.075em;
	line-height: 0.9;
	text-wrap: balance;
}

.hero-lede {
	max-width: 42rem;
	margin: 1.7rem 0 0;
	color: #b5bac5;
	font-size: clamp(1.05rem, 1rem + 0.35vw, 1.3rem);
	line-height: 1.58;
}

.button-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 2rem;
}

.proof-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.8rem 1.6rem;
	margin: 2.3rem 0 0;
	padding: 1.2rem 0 0;
	border-top: 1px solid var(--line);
	color: var(--muted);
	font-family: var(--mono);
	font-size: 0.67rem;
	letter-spacing: 0.05em;
	list-style: none;
	text-transform: uppercase;
}

.proof-row li::before {
	display: inline-block;
	width: 0.35rem;
	height: 0.35rem;
	margin-right: 0.55rem;
	border-radius: 50%;
	background: var(--brand);
	content: '';
	vertical-align: 0.08em;
}

.scope-line {
	margin: 1.1rem 0 0;
	color: var(--faint);
	font-size: 0.8rem;
}

.product-frame {
	position: relative;
	margin: 0;
	border: 1px solid var(--line-strong);
	border-radius: 0.8rem;
	background: #0b0d12;
	box-shadow: 0 2.5rem 8rem rgb(0 0 0 / 0.5);
	overflow: hidden;
}

.product-frame::after {
	position: absolute;
	inset: 0;
	border-radius: inherit;
	box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.03);
	content: '';
	pointer-events: none;
}

.product-frame img {
	width: 100%;
	height: auto;
}

.frame-bar {
	display: flex;
	align-items: center;
	gap: 0.4rem;
	height: 2.15rem;
	border-bottom: 1px solid var(--line);
	padding: 0 0.85rem;
	background: #0d1016;
}

.frame-bar span {
	width: 0.45rem;
	height: 0.45rem;
	border-radius: 50%;
	background: #39404e;
}

.frame-bar span:first-child {
	background: var(--pink);
}

.frame-bar span:nth-child(2) {
	background: var(--brand);
}

.frame-bar span:nth-child(3) {
	background: var(--mint);
}

.frame-bar small {
	margin-left: auto;
	color: var(--faint);
	font-family: var(--mono);
	font-size: 0.56rem;
	letter-spacing: 0.13em;
}

.product-frame figcaption {
	position: absolute;
	right: 0.8rem;
	bottom: 0.65rem;
	border: 1px solid var(--line);
	border-radius: 0.25rem;
	background: rgb(8 10 14 / 0.85);
	color: var(--muted);
	padding: 0.3rem 0.48rem;
	font-family: var(--mono);
	font-size: 0.56rem;
}

.section {
	padding-block: clamp(5rem, 10vw, 9rem);
	border-top: 1px solid var(--line);
}

.section h2 {
	max-width: 16ch;
	margin: 0;
	font-size: clamp(2.5rem, 5.4vw, 5.2rem);
	font-weight: 620;
	letter-spacing: -0.06em;
	line-height: 0.98;
	text-wrap: balance;
}

.section h3 {
	margin: 0;
	font-size: 1.05rem;
	letter-spacing: -0.02em;
}

.section-lede {
	max-width: 44rem;
	margin: 1.5rem 0 0;
	color: var(--muted);
	font-size: clamp(1.05rem, 1rem + 0.3vw, 1.28rem);
}

.split-heading {
	display: grid;
	grid-template-columns: 1.05fr 0.95fr;
	align-items: end;
	gap: clamp(2rem, 9vw, 9rem);
}

.split-heading > p,
.split-heading > div:last-child {
	max-width: 35rem;
	margin: 0 0 0.3rem;
	color: var(--muted);
	font-size: 1.08rem;
}

.feature-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 1px;
	margin-top: clamp(3rem, 7vw, 6rem);
	border: 1px solid var(--line);
	background: var(--line);
}

.feature-grid article {
	min-height: 18rem;
	background: var(--panel);
	padding: clamp(1.5rem, 3vw, 2.7rem);
}

.feature-grid article:nth-child(2) {
	background: var(--panel-2);
}

.feature-number {
	display: block;
	margin-bottom: 5rem;
	color: var(--brand);
	font-family: var(--mono);
	font-size: 0.7rem;
}

.feature-grid p {
	margin: 0.8rem 0 0;
	color: var(--muted);
	font-size: 0.94rem;
}

.sound-section {
	background:
		linear-gradient(90deg, rgb(76 201 240 / 0.025), transparent 35%), #0a0c11;
}

.sound-layout {
	display: grid;
	grid-template-columns: 0.8fr 1.2fr;
	gap: clamp(3rem, 10vw, 10rem);
}

.sound-copy {
	position: sticky;
	top: 8rem;
	align-self: start;
}

.availability-note {
	display: inline-block;
	margin-top: 2rem;
	border-left: 2px solid var(--brand);
	color: var(--faint);
	padding-left: 0.85rem;
	font-family: var(--mono);
	font-size: 0.7rem;
}

.voice-list {
	border-top: 1px solid var(--line);
}

.voice-list article {
	display: grid;
	grid-template-columns: 3.5rem 1fr;
	gap: 1.25rem;
	padding-block: 2rem;
	border-bottom: 1px solid var(--line);
}

.voice-list p {
	margin: 0.35rem 0 0;
	color: var(--muted);
}

.voice-swatch {
	position: relative;
	display: block;
	height: 2.4rem;
	margin-top: 0.15rem;
}

.voice-swatch::before,
.voice-swatch::after {
	position: absolute;
	left: 0;
	width: 100%;
	content: '';
}

.voice-swatch::before {
	top: 50%;
	height: 1px;
	background: currentcolor;
	box-shadow: 0 0 1rem currentcolor;
}

.voice-swatch::after {
	inset: 0;
	background: repeating-linear-gradient(
		90deg,
		transparent 0 0.4rem,
		currentcolor 0.4rem 0.48rem
	);
	clip-path: polygon(
		0 50%,
		10% 20%,
		18% 74%,
		31% 30%,
		42% 60%,
		57% 12%,
		68% 80%,
		79% 36%,
		90% 66%,
		100% 50%,
		100% 54%,
		0 54%
	);
	opacity: 0.85;
}

.cyan {
	color: var(--cyan);
}

.violet {
	color: var(--violet);
}

.amber {
	color: var(--brand-bright);
}

.mint {
	color: var(--mint);
}

.play-section h2 {
	max-width: 18ch;
}

.layout-switcher {
	margin-top: clamp(3rem, 6vw, 5rem);
	border: 1px solid var(--line);
	border-radius: 0.75rem;
	background: var(--panel);
	padding: clamp(1rem, 3vw, 2.2rem);
}

.switcher-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

[role='tablist'] {
	display: inline-flex;
	gap: 0.35rem;
}

[role='tab'] {
	min-height: 2.6rem;
	border: 1px solid var(--line-strong);
	border-radius: 0.28rem;
	background: transparent;
	color: var(--muted);
	padding: 0.65rem 0.85rem;
	cursor: pointer;
	font-size: 0.77rem;
	font-weight: 750;
}

[role='tab'][aria-selected='true'] {
	border-color: var(--brand);
	background: var(--brand);
	color: #17140e;
}

.switcher-head p {
	margin: 0;
	color: var(--faint);
	font-family: var(--mono);
	font-size: 0.66rem;
}

.key-diagram {
	display: grid;
	gap: 0.55rem;
	margin-top: 2.2rem;
}

.diagram-row {
	display: grid;
	grid-template-columns: repeat(10, minmax(0, 1fr));
	gap: 0.45rem;
}

.diagram-row.home {
	width: 92%;
	margin-left: 3.5%;
}

.diagram-row.lower {
	width: 84%;
	margin-left: 8%;
}

.diagram-key {
	display: grid;
	min-height: 4.4rem;
	place-items: center;
	border: 1px solid var(--line-strong);
	border-bottom: 3px solid var(--key-color);
	border-radius: 0.32rem;
	background: var(--panel-2);
	color: var(--text);
	font-family: var(--mono);
	font-size: 0.82rem;
	font-weight: 700;
	transition:
		transform 150ms ease,
		background 150ms ease;
}

.diagram-key:nth-child(4n + 1) {
	transform: translateY(-0.18rem);
}

.upper .diagram-key {
	--key-color: var(--violet);
}

.home .diagram-key {
	--key-color: var(--brand-bright);
}

.lower .diagram-key {
	--key-color: var(--pink);
}

.diagram-note {
	margin: 1.2rem 0 0;
	color: var(--faint);
	font-size: 0.72rem;
}

.loops-layout {
	display: grid;
	grid-template-columns: 0.82fr 1.18fr;
	align-items: center;
	gap: clamp(3rem, 10vw, 9rem);
}

.check-list {
	display: grid;
	gap: 1rem;
	margin: 2rem 0 0;
	padding: 0;
	color: var(--muted);
	list-style: none;
}

.check-list li {
	position: relative;
	padding-left: 1.6rem;
}

.check-list li::before {
	position: absolute;
	top: 0.65em;
	left: 0;
	width: 0.55rem;
	height: 0.2rem;
	border-left: 2px solid var(--brand);
	border-bottom: 2px solid var(--brand);
	content: '';
	transform: rotate(-45deg);
}

.track-stack {
	display: grid;
	gap: 0.55rem;
	border: 1px solid var(--line);
	border-radius: 0.75rem;
	background: var(--panel);
	padding: clamp(1rem, 3vw, 2rem);
	box-shadow: 0 2rem 6rem rgb(0 0 0 / 0.3);
}

.track {
	display: grid;
	grid-template-columns: 2.5rem 1fr 5rem;
	align-items: center;
	gap: 1rem;
	min-height: 3.15rem;
	border: 1px solid var(--line);
	border-radius: 0.35rem;
	background: var(--panel-2);
	padding: 0.55rem 0.75rem;
}

.track b,
.track small {
	font-family: var(--mono);
	font-size: 0.66rem;
}

.track small {
	color: var(--faint);
	text-align: right;
}

.track > span {
	height: 0.42rem;
	border-radius: 1rem;
	background: #0b0d12;
	overflow: hidden;
}

.track i {
	display: block;
	width: var(--w);
	height: 100%;
	border-radius: inherit;
	background: var(--mint);
	box-shadow: 0 0 0.8rem rgb(52 211 153 / 0.3);
}

.track.armed i {
	background: var(--brand);
}

.track.active small {
	color: var(--mint);
}

.track.armed small {
	color: var(--brand-bright);
}

.fine-print {
	color: var(--faint);
	font-size: 0.82rem;
}

.status-section {
	background:
		radial-gradient(
			circle at 82% 50%,
			rgb(230 148 5 / 0.13),
			transparent 24rem
		),
		#0c0f15;
}

.status-card {
	display: grid;
	grid-template-columns: 1fr 0.9fr auto;
	align-items: center;
	gap: clamp(2rem, 6vw, 5rem);
	border: 1px solid var(--line-strong);
	border-radius: 0.8rem;
	background: rgb(16 19 26 / 0.82);
	padding: clamp(1.5rem, 5vw, 4.5rem);
}

.status-card h2 {
	max-width: 13ch;
	font-size: clamp(2.1rem, 4vw, 4rem);
}

.status-card p:not(.eyebrow) {
	max-width: 38rem;
	margin: 1rem 0 0;
	color: var(--muted);
}

.steps {
	display: grid;
	gap: 1rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.steps li {
	display: grid;
	grid-template-columns: 2rem 1fr;
	align-items: center;
	gap: 0.75rem;
}

.steps span {
	display: grid;
	width: 2rem;
	height: 2rem;
	place-items: center;
	border: 1px solid var(--line-strong);
	border-radius: 50%;
	color: var(--brand);
	font-family: var(--mono);
	font-size: 0.65rem;
}

.steps b,
.steps small {
	display: block;
}

.steps b {
	font-size: 0.85rem;
}

.steps small {
	color: var(--faint);
}

.faq-layout {
	display: grid;
	grid-template-columns: 0.62fr 1.38fr;
	gap: clamp(3rem, 10vw, 10rem);
}

.faq-list {
	border-top: 1px solid var(--line);
}

.faq-list details {
	border-bottom: 1px solid var(--line);
}

.faq-list summary {
	position: relative;
	padding: 1.5rem 3rem 1.5rem 0;
	cursor: pointer;
	font-size: 1.04rem;
	font-weight: 700;
	list-style: none;
}

.faq-list summary::-webkit-details-marker {
	display: none;
}

.faq-list summary::after {
	position: absolute;
	top: 1.2rem;
	right: 0;
	color: var(--brand);
	content: '+';
	font-family: var(--mono);
	font-size: 1.4rem;
	font-weight: 400;
}

.faq-list details[open] summary::after {
	content: '−';
}

.faq-list details p {
	max-width: 42rem;
	margin: -0.5rem 0 1.6rem;
	color: var(--muted);
}

.final-cta {
	padding-block: clamp(6rem, 12vw, 11rem);
	border-top: 1px solid var(--line);
	text-align: center;
}

.final-cta-inner {
	display: flex;
	flex-direction: column;
	align-items: center;
}

.final-cta h2 {
	margin: 0 0 2rem;
	font-size: clamp(4rem, 11vw, 10rem);
	font-weight: 650;
	letter-spacing: -0.08em;
	line-height: 0.85;
}

.site-footer {
	border-top: 1px solid var(--line);
	padding-block: 2rem;
}

.footer-inner {
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	align-items: center;
	gap: 1rem;
	color: var(--faint);
	font-size: 0.72rem;
}

.footer-inner p {
	margin: 0;
}

.footer-inner p:last-child {
	text-align: right;
}

.footer-inner a:not(.brand):hover {
	color: var(--text);
}

@media (max-width: 1100px) {
	.hero {
		grid-template-columns: 1fr;
		min-height: 0;
	}

	.hero-copy {
		max-width: 50rem;
	}

	h1 {
		max-width: 11ch;
	}

	.product-frame {
		width: 100%;
	}

	.status-card {
		grid-template-columns: 1fr 1fr;
	}

	.status-card .button {
		justify-self: start;
	}
}

@media (max-width: 820px) {
	.nav-shell {
		grid-template-columns: auto 1fr auto;
		gap: 1rem;
	}

	.menu-button {
		display: inline-flex;
		align-items: center;
		justify-self: end;
		gap: 0.4rem;
		border: 0;
		background: transparent;
		color: var(--muted);
		padding: 0.65rem;
		cursor: pointer;
		font-size: 0.78rem;
	}

	.menu-button svg {
		width: 1.2rem;
		fill: none;
		stroke: currentcolor;
		stroke-linecap: round;
		stroke-width: 2;
	}

	.site-nav {
		position: absolute;
		top: calc(100% + 1px);
		right: 1rem;
		left: 1rem;
		display: none;
		flex-direction: column;
		gap: 0;
		border: 1px solid var(--line);
		background: #0d1016;
		padding: 0.5rem;
		box-shadow: 0 1.5rem 4rem rgb(0 0 0 / 0.45);
	}

	.site-nav.open {
		display: flex;
	}

	.site-nav a {
		padding: 0.85rem;
	}

	.nav-cta {
		display: none;
	}

	.split-heading,
	.sound-layout,
	.loops-layout,
	.faq-layout {
		grid-template-columns: 1fr;
	}

	.sound-copy {
		position: static;
	}

	.feature-grid {
		grid-template-columns: 1fr;
	}

	.feature-grid article {
		min-height: 0;
	}

	.feature-number {
		margin-bottom: 2.5rem;
	}

	.status-card {
		grid-template-columns: 1fr;
	}

	.footer-inner {
		grid-template-columns: 1fr;
		text-align: center;
	}

	.footer-inner .brand {
		justify-self: center;
	}

	.footer-inner p:last-child {
		text-align: center;
	}
}

@media (max-width: 560px) {
	.shell {
		width: min(calc(100% - 1.25rem), var(--shell));
	}

	.site-header .shell {
		width: calc(100% - 1rem);
	}

	.hero {
		padding-top: 3rem;
	}

	h1 {
		font-size: clamp(3.25rem, 17vw, 5rem);
	}

	.button-row {
		display: grid;
		grid-template-columns: 1fr;
	}

	.proof-row {
		display: grid;
		gap: 0.65rem;
	}

	.product-frame {
		margin-inline: -0.2rem;
	}

	.product-frame img {
		width: 145%;
		max-width: none;
		transform: translateX(-19%);
	}

	.product-frame figcaption {
		display: none;
	}

	.switcher-head {
		align-items: flex-start;
		flex-direction: column;
	}

	[role='tablist'] {
		display: grid;
		width: 100%;
		grid-template-columns: 1fr 1fr;
	}

	[role='tab'] {
		padding-inline: 0.4rem;
		font-size: 0.68rem;
	}

	.diagram-row {
		gap: 0.22rem;
	}

	.diagram-key {
		min-height: 3.2rem;
		font-size: 0.65rem;
	}

	.track {
		grid-template-columns: 2rem 1fr;
	}

	.track small {
		display: none;
	}

	.status-card .button {
		width: 100%;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
	}
}
