:root {
	--bg: #f8faf9;
	--paper: #fff;
	--ink: #191c1c;
	--muted: #58655f;
	--green: #00522d;
	--green-fill: #00522d;
	--green-fill-mid: #006d3e;
	--on-brand: #fff;
	--green-deep: #003d20;
	--green-mid: #006d3e;
	--mint: #e6eee7;
	--soft: #f0f3f0;
	--line: #dce5de;
	--on-green: #c5d8cc;
	--lime: #dcf1af;
	--radius: 12px;
	--radius-sm: 8px;
	--s1: 4px;
	--s2: 8px;
	--s3: 12px;
	--s4: 16px;
	--s5: 24px;
	--s6: 32px;
	--s7: 48px;
	--s8: 64px;
	--s9: 96px;
	--s10: 128px;
	--small: 0.75rem;
	--label: 0.875rem;
	--body: 1.125rem;
	--large: 1.5rem;
	--title: clamp(2rem, 3.6vw, 3rem);
	--display: clamp(2.65rem, 4.9vw, 4.5rem);
	--container: 1248px;
	--gutter: clamp(24px, 5vw, 80px);
	--duration: 220ms;
	--shadow: 0 24px 48px #001a1633;
	color-scheme: light;
}
* {
	box-sizing: border-box;
}
html {
	scroll-behavior: smooth;
	scroll-padding-top: var(--s6);
}
body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font-family: 'Manrope', sans-serif;
	font-size: var(--body);
	-webkit-font-smoothing: antialiased;
}
a {
	color: inherit;
	text-decoration: none;
}
button,
input {
	font: inherit;
}
a,
summary,
input {
	-webkit-tap-highlight-color: transparent;
}
:focus-visible {
	outline: 3px solid var(--green-mid);
	outline-offset: 5px;
}
.invoice-stage :focus-visible,
.closing :focus-visible {
	outline-color: var(--lime);
}
::selection {
	background: var(--lime);
	color: var(--green-deep);
}
h1,
h2,
h3,
p {
	margin: 0;
}
h1,
h2,
h3 {
	text-wrap: balance;
}
p {
	line-height: 1.75;
}
.wrap {
	width: min(var(--container), calc(100% - var(--gutter) * 2));
	margin-inline: auto;
}
.header {
	min-height: var(--s9);
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: var(--s5);
	padding-block: var(--s4);
}
.brand {
	display: inline-flex;
	align-items: center;
	min-height: 48px;
	font-size: 1.75rem;
	font-weight: 800;
	letter-spacing: -0.06em;
}
.brand-mark {
	position: relative;
	display: grid;
	place-items: center;
	width: 36px;
	height: 40px;
	margin-right: var(--s3);
	background: var(--green-fill);
	border-radius: var(--radius-sm);
	color: var(--on-brand);
	font-size: 2rem;
	line-height: 1;
	letter-spacing: -0.08em;
}
.brand-mark span {
	position: absolute;
	bottom: -1px;
	left: 0;
	width: 100%;
	height: 5px;
	background: var(--bg);
	clip-path: polygon(
		0 100%,
		0 0,
		12.5% 100%,
		25% 0,
		37.5% 100%,
		50% 0,
		62.5% 100%,
		75% 0,
		87.5% 100%,
		100% 0,
		100% 100%
	);
}
.brand-period {
	color: var(--green);
}
nav {
	display: flex;
	gap: var(--s6);
}
nav a {
	display: grid;
	align-items: center;
	min-height: 48px;
	font-size: var(--label);
	font-weight: 600;
}
nav a:hover,
.text-link:hover {
	color: var(--green-mid);
}
.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--s6);
	min-height: 56px;
	padding: var(--s4) var(--s5);
	border-radius: var(--radius-sm);
	background: linear-gradient(15deg, var(--green-fill), var(--green-fill-mid));
	color: var(--on-brand);
	font-size: var(--label);
	font-weight: 700;
	transition:
		transform var(--duration),
		background var(--duration);
}
.button:hover {
	transform: translateY(-3px);
	background: var(--green-deep);
}
.button:active {
	transform: translateY(0);
}
.button span {
	font-size: var(--large);
	line-height: 1;
}
.button-small {
	min-height: 48px;
	padding: var(--s3) var(--s5);
	gap: var(--s5);
}
.hero {
	display: grid;
	grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
	align-items: center;
	gap: var(--s8);
	padding-block: var(--s7) var(--s8);
}
.eyebrow {
	font-size: var(--small);
	font-weight: 800;
	letter-spacing: 0.13em;
	text-transform: uppercase;
	color: var(--green);
}
h1 {
	margin-block: var(--s5);
	font-size: var(--display);
	font-weight: 650;
	letter-spacing: -0.065em;
	line-height: 1.17;
}
h1 span,
h2 span {
	color: var(--green);
}
.intro {
	color: var(--muted);
	font-size: var(--body);
}
.hero-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--s5);
	margin-top: var(--s6);
}
.text-link {
	display: inline-flex;
	align-items: center;
	gap: var(--s4);
	min-height: 56px;
	font-size: var(--label);
	font-weight: 700;
}
.invoice-stage {
	background: var(--green-fill);
	padding: var(--s5) var(--s7) var(--s6);
	border-radius: var(--radius);
	color: var(--on-brand);
	transform: rotate(1.5deg);
}
.stage-caption {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: var(--s4);
	color: var(--on-green);
	font-size: 0.625rem;
	letter-spacing: 0.12em;
	margin-bottom: var(--s4);
	font-weight: 700;
}
.stage-caption > span:last-child {
	font-size: 2rem;
	color: var(--lime);
	line-height: 1;
}
.receipt {
	position: relative;
	background: var(--paper);
	color: var(--ink);
	padding: var(--s5);
	box-shadow: var(--shadow);
	transform: rotate(-3deg);
	margin-bottom: var(--s6);
}
.receipt::after {
	content: '';
	position: absolute;
	bottom: -8px;
	left: 0;
	width: 100%;
	height: 9px;
	background:
		linear-gradient(135deg, var(--paper) 25%, transparent 25%) -8px 0,
		linear-gradient(225deg, var(--paper) 25%, transparent 25%) -8px 0;
	background-size: 16px 16px;
}
.receipt-heading {
	display: flex;
	align-items: center;
	gap: var(--s3);
	padding-bottom: var(--s4);
	font-size: 0.625rem;
	letter-spacing: 0.08em;
	color: var(--muted);
}
.receipt-heading strong {
	display: inline-block;
	font-size: var(--label);
	color: var(--ink);
	letter-spacing: 0;
	margin-top: var(--s1);
}
.receipt-symbol {
	font-size: 2rem;
	font-weight: 800;
	color: var(--green);
	letter-spacing: -0.1em;
}
.receipt-room {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: var(--s2);
}
.receipt-room h2 {
	font-size: 1.3rem;
	letter-spacing: -0.04em;
}
.receipt-room > span {
	font-size: 0.625rem;
	color: var(--muted);
}
.bill-lines {
	margin: var(--s4) 0;
}
.bill-lines > div {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: var(--s3);
	padding-block: var(--s2);
	font-size: var(--label);
}
dd {
	margin: 0;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}
dt small {
	display: block;
	font-size: 0.625rem;
	color: var(--muted);
	margin-top: var(--s1);
}
.bill-total {
	background: var(--soft);
	padding: var(--s4);
	margin-inline: calc(var(--s2) * -1);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--s2);
	border-radius: var(--radius-sm);
	font-size: var(--small);
}
.bill-total output {
	color: var(--green);
	font-size: 1.4rem;
	font-weight: 800;
	letter-spacing: -0.06em;
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}
.receipt-bottom {
	display: flex;
	justify-content: center;
	gap: var(--s2);
	font-size: 0.625rem;
	margin-top: var(--s4);
	color: var(--muted);
}
.receipt-bottom span {
	color: var(--green);
}
.usage-control {
	transform: rotate(-1.5deg);
}
.usage-control > div {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: var(--s3);
	font-size: var(--small);
}
.usage-control output {
	color: var(--lime);
	font-weight: 700;
	white-space: nowrap;
	font-variant-numeric: tabular-nums;
}
.usage-control input {
	display: block;
	width: 100%;
	margin: var(--s2) 0;
	min-height: 44px;
	background: transparent;
	accent-color: var(--lime);
	cursor: pointer;
}
.usage-control p {
	font-size: 0.625rem;
	color: var(--on-green);
}
.capability-strip {
	background: var(--soft);
	padding-block: var(--s5);
}
.capability-strip .wrap {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: var(--s5);
}
.capability-strip span {
	color: var(--muted);
	font-size: var(--label);
	font-weight: 600;
}
.capability-strip i {
	font-style: normal;
	color: var(--green);
}
.section {
	padding-block: var(--s9);
}
h2 {
	font-size: var(--title);
	font-weight: 600;
	line-height: 1.25;
	letter-spacing: -0.055em;
}
.section-heading .eyebrow,
.faq .eyebrow {
	margin-bottom: var(--s4);
}
.feature-grid {
	display: grid;
	grid-template-columns: 1.2fr 1fr 1fr;
	gap: var(--s5);
	margin-top: var(--s7);
}
.feature {
	display: flex;
	flex-direction: column;
	position: relative;
	overflow: hidden;
	min-height: 390px;
	border-radius: var(--radius);
	padding: var(--s6);
	background: var(--soft);
}
.feature-main {
	background: var(--mint);
}
.feature-icon {
	width: 32px;
	height: 32px;
	margin-bottom: var(--s5);
	color: var(--green);
}
h3 {
	font-size: var(--large);
	font-weight: 650;
	line-height: 1.4;
	letter-spacing: -0.035em;
}
.feature p {
	font-size: 1rem;
	margin-top: var(--s4);
	color: var(--muted);
}
.feature .privacy-note {
	font-size: var(--small);
}
.feature-foot {
	display: block;
	padding-top: var(--s6);
	margin-top: auto;
	font-size: var(--small);
	font-weight: 700;
	color: var(--green);
}
.room-art {
	display: flex;
	align-items: flex-end;
	gap: var(--s4);
	margin-top: var(--s5);
	height: 100px;
}
.door {
	position: relative;
	display: block;
	width: 58px;
	height: 90px;
	background: var(--bg);
	border-radius: var(--radius-sm) var(--radius-sm) 0 0;
	box-shadow: inset -6px 0 var(--line);
}
.door i {
	display: block;
	margin-top: var(--s4);
	font-size: var(--small);
	font-style: normal;
	text-align: center;
	color: var(--green);
}
.door b {
	position: absolute;
	width: 4px;
	height: 12px;
	background: var(--green);
	right: 12px;
	top: 50px;
	border-radius: var(--s1);
}
.plant {
	color: var(--green);
	font-size: 3rem;
}
.workflow {
	background: var(--soft);
}
.workflow-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--s9);
}
.workflow-intro p {
	color: var(--muted);
	margin-top: var(--s5);
}
.workflow-intro .text-link {
	margin-top: var(--s5);
}
.steps {
	padding: 0;
	margin: 0;
	list-style: none;
	display: grid;
	gap: var(--s7);
}
.steps li {
	display: flex;
	gap: var(--s5);
}
.step-number {
	color: var(--green);
	font-size: var(--small);
	font-weight: 800;
	padding-top: var(--s2);
}
.steps p {
	color: var(--muted);
	font-size: 1rem;
	margin-top: var(--s3);
}
.faq {
	display: grid;
	grid-template-columns: 0.85fr 1.15fr;
	gap: var(--s9);
}
.faq-list {
	display: grid;
	align-content: start;
	gap: var(--s2);
}
details {
	background: var(--soft);
	border-radius: var(--radius-sm);
}
summary {
	min-height: 72px;
	padding: var(--s5);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--s5);
	list-style: none;
	cursor: pointer;
	font-size: 1rem;
	font-weight: 650;
}
summary::-webkit-details-marker {
	display: none;
}
summary span {
	font-size: var(--large);
	color: var(--green);
	transition: transform var(--duration);
}
details[open] summary span {
	transform: rotate(45deg);
}
summary:hover {
	color: var(--green);
}
details p {
	padding: 0 var(--s5) var(--s5);
	color: var(--muted);
	font-size: 1rem;
}
.closing {
	position: relative;
	overflow: hidden;
	padding: var(--s8);
	background: var(--green-deep);
	color: var(--on-brand);
	border-radius: var(--radius);
}
.closing > div {
	position: relative;
	z-index: 1;
}
.closing-symbol {
	display: inline-block;
	color: var(--lime);
	font-size: 3rem;
	line-height: 1;
	margin-bottom: var(--s5);
}
.closing h2 {
	font-size: clamp(2.5rem, 5vw, 4rem);
}
.closing p {
	color: var(--on-green);
	margin-block: var(--s5);
}
.button-light {
	background: var(--lime);
	color: var(--green-deep);
}
.button-light:hover {
	background: var(--on-brand);
}
.closing-word {
	position: absolute;
	right: -16px;
	bottom: -64px;
	font-size: clamp(8rem, 23vw, 20rem);
	font-weight: 800;
	letter-spacing: -0.08em;
	color: var(--on-green);
	line-height: 1.5;
	pointer-events: none;
}
.footer {
	display: flex;
	flex-wrap: wrap;
	gap: var(--s5);
	justify-content: space-between;
	align-items: center;
	padding-block: var(--s7);
}
.footer p,
.footer > span {
	font-size: var(--small);
	color: var(--muted);
}
.skip-link {
	position: absolute;
	top: -100px;
	left: var(--s5);
	z-index: 2;
	background: var(--paper);
	padding: var(--s4);
}
.skip-link:focus {
	top: var(--s4);
}
@media (min-width: 1000px) and (prefers-reduced-motion: no-preference) {
	.hero-copy {
		animation: enter 700ms both;
	}
	.invoice-stage {
		animation: receipt-enter 900ms both;
	}
}
@keyframes enter {
	from {
		translate: 0 14px;
	}
	to {
		translate: 0 0;
	}
}
@keyframes receipt-enter {
	from {
		translate: 0 24px;
	}
	to {
		translate: 0 0;
	}
}
@media (max-width: 1100px) {
	.hero {
		gap: var(--s6);
	}
	.invoice-stage {
		padding-inline: var(--s6);
	}
	.hero-actions {
		gap: var(--s3);
	}
	.feature {
		padding: var(--s5);
	}
	.workflow-grid,
	.faq {
		gap: var(--s7);
	}
	nav {
		gap: var(--s5);
	}
}
@media (max-width: 800px) {
	.header {
		min-height: 80px;
	}
	nav {
		display: none;
	}
	.hero {
		grid-template-columns: 1fr;
		gap: var(--s7);
		padding-top: var(--s6);
	}
	h1 {
		font-size: clamp(2.65rem, 8vw, 4.5rem);
	}
	.desktop-break {
		display: none;
	}
	.hero-copy {
		max-width: 580px;
	}
	.invoice-stage {
		width: min(100%, 470px);
		justify-self: center;
		padding-inline: var(--s7);
	}
	.capability-strip .wrap {
		display: grid;
		grid-template-columns: 1fr 1fr;
		gap: var(--s4);
	}
	.capability-strip i {
		display: none;
	}
	.capability-strip span {
		font-size: var(--small);
	}
	.feature-grid {
		grid-template-columns: 1fr 1fr;
	}
	.feature-main {
		grid-column: 1 / -1;
		min-height: auto;
	}
	.feature-main p {
		max-width: 420px;
	}
	.room-art {
		position: absolute;
		right: var(--s6);
		bottom: var(--s6);
		opacity: 0.35;
	}
	.feature-main .feature-foot {
		position: relative;
	}
	.feature {
		min-height: 340px;
	}
	.workflow-grid,
	.faq {
		grid-template-columns: 1fr;
	}
	.section {
		padding-block: var(--s8);
	}
	.closing {
		padding: var(--s7);
	}
	.footer {
		gap: var(--s4);
	}
	.footer p {
		width: 100%;
		order: 3;
	}
	.closing-word {
		display: none;
	}
}
@media (max-width: 480px) {
	.header {
		gap: var(--s3);
	}
	.brand {
		font-size: 1.5rem;
	}
	.brand-mark {
		width: 30px;
		height: 34px;
		font-size: 1.75rem;
		margin-right: var(--s2);
	}
	.button-small {
		padding-inline: var(--s4);
		gap: var(--s3);
		font-size: var(--small);
	}
	.eyebrow {
		font-size: 0.625rem;
		letter-spacing: 0.1em;
	}
	h1 {
		letter-spacing: -0.06em;
	}
	.intro {
		font-size: 1rem;
	}
	.hero-actions {
		gap: var(--s4);
	}
	.hero-actions .button {
		gap: var(--s5);
	}
	.hero-actions .text-link {
		font-size: var(--small);
		gap: var(--s2);
	}
	.invoice-stage {
		padding: var(--s5);
		transform: none;
	}
	.receipt {
		padding: var(--s5) var(--s4);
	}
	.bill-total {
		padding: var(--s3);
	}
	.bill-total output {
		font-size: 1.25rem;
	}
	.usage-control {
		transform: none;
	}
	.feature-grid {
		grid-template-columns: 1fr;
	}
	.feature {
		min-height: auto;
		padding: var(--s6);
	}
	.room-art {
		position: static;
		opacity: 1;
	}
	.feature-foot {
		padding-top: var(--s5);
	}
	.closing {
		padding: var(--s6);
	}
	.closing p {
		font-size: 1rem;
	}
	summary {
		padding: var(--s4);
	}
	details p {
		padding-inline: var(--s4);
	}
	.steps li {
		gap: var(--s4);
	}
	.footer > span {
		font-size: 0.625rem;
	}
}
@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
	*,
	*::before,
	*::after {
		animation: none !important;
		transition: none !important;
	}
}

/* Keep the explicit preference and the no-script system default in sync. */
:root[data-theme="dark"] {
  --bg: #111a16;
  --paper: #1c2922;
  --ink: #edf4ee;
  --muted: #b0c0b5;
  --green: #8cd5a8;
  --green-mid: #a4e4bc;
  --mint: #23382c;
  --soft: #1b2a22;
  --line: #405448;
  --surface: #1c2922;
  --accent-soft: #23382c;
  --green-fill: #00522d;
  --green-fill-mid: #006d3e;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111a16;
    --paper: #1c2922;
    --ink: #edf4ee;
    --muted: #b0c0b5;
    --green: #8cd5a8;
    --green-mid: #a4e4bc;
    --mint: #23382c;
    --soft: #1b2a22;
    --line: #405448;
    --surface: #1c2922;
    --accent-soft: #23382c;
    --green-fill: #00522d;
    --green-fill-mid: #006d3e;
  }
}