:root {
	color-scheme: light;
	--desk: #9fcfe2;
	--ink: #24323a;
	--muted: #5d6b71;
	--paper: #fffdf8;
	--paper-blue: #eaf7fb;
	--paper-yellow: #fff4bd;
	--paper-green: #e4f2e7;
	--paper-pink: #ffe8ed;
	--line: #b9cbd2;
	--red: #b64e62;
	--green: #317252;
	--blue: #276782;
	--shadow: 0 18px 48px rgba(36, 50, 58, 0.17);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--desk);
	color: var(--ink);
	font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Inter, system-ui, sans-serif;
	line-height: 1.7;
}

a {
	color: inherit;
}

a:focus-visible,
summary:focus-visible {
	outline: 3px solid #225f79;
	outline-offset: 4px;
}

.site-header,
.hero-inner,
.section-inner,
.site-footer {
	width: min(70rem, calc(100% - 2rem));
	margin-inline: auto;
}

.site-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	min-height: 5rem;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 0.7rem;
	font-weight: 750;
	text-decoration: none;
}

.brand-mark {
	display: grid;
	place-items: center;
	width: 2.4rem;
	height: 2.4rem;
	border: 2px solid var(--ink);
	border-radius: 50%;
	background: var(--paper-yellow);
	font-family: Georgia, serif;
	font-size: 1.2rem;
}

.top-nav {
	display: flex;
	align-items: center;
	gap: 1rem;
	font-size: 0.92rem;
}

.top-nav a {
	text-underline-offset: 0.25rem;
}

.hero {
	position: relative;
	min-height: 35rem;
	overflow: hidden;
}

.hero-inner {
	position: relative;
	z-index: 1;
	display: flex;
	align-items: center;
	min-height: 35rem;
	padding-block: 4.5rem 7rem;
}

.hero-copy {
	max-width: 44rem;
}

.eyebrow {
	margin: 0 0 0.85rem;
	font-size: 0.86rem;
	font-weight: 750;
	text-transform: uppercase;
}

h1,
h2,
h3,
p {
	margin-top: 0;
}

h1 {
	max-width: 16ch;
	margin-bottom: 1.2rem;
	font-family: Georgia, "Noto Serif SC", serif;
	font-size: 3.6rem;
	line-height: 1.08;
}

.lead {
	max-width: 40rem;
	margin-bottom: 1.5rem;
	font-size: 1.16rem;
}

.hero-note {
	max-width: 38rem;
	padding-left: 1rem;
	border-left: 4px solid var(--red);
	color: #3f5058;
}

.hero-art {
	position: absolute;
	right: max(1rem, calc((100vw - 72rem) / 2));
	bottom: -1.8rem;
	width: 20rem;
	max-height: 28rem;
	object-fit: contain;
	opacity: 0.42;
	pointer-events: none;
}

.status-key {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
	margin-top: 1.8rem;
}

.status-stamp {
	display: inline-flex;
	align-items: center;
	gap: 0.42rem;
	min-height: 2rem;
	padding: 0.3rem 0.65rem;
	border: 1px solid currentColor;
	border-radius: 4px;
	background: rgba(255, 253, 248, 0.72);
	font-size: 0.8rem;
	font-weight: 750;
}

.status-stamp::before {
	content: "";
	width: 0.58rem;
	height: 0.58rem;
	border-radius: 50%;
	background: currentColor;
}

.status-stamp[data-status="public"] {
	color: var(--green);
}

.status-stamp[data-status="source"] {
	color: var(--blue);
}

.status-stamp[data-status="invite"] {
	color: #826414;
}

.status-stamp[data-status="private"] {
	color: #6e5960;
}

.content-band {
	padding-block: 5.5rem;
	background: var(--paper);
}

.content-band:nth-of-type(3) {
	background: var(--paper-blue);
}

.content-band:nth-of-type(4) {
	background: var(--paper-yellow);
}

.content-band:nth-of-type(5) {
	background: var(--paper-green);
}

.section-heading {
	display: grid;
	grid-template-columns: minmax(0, 0.7fr) minmax(18rem, 1fr);
	gap: 2rem;
	align-items: end;
	margin-bottom: 2.2rem;
}

.section-heading h2 {
	margin-bottom: 0;
	font-family: Georgia, "Noto Serif SC", serif;
	font-size: 2.2rem;
	line-height: 1.18;
}

.section-heading p {
	margin-bottom: 0;
	color: var(--muted);
}

.service-grid,
.plan-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1rem;
}

.service-card,
.plan-card {
	position: relative;
	min-width: 0;
	padding: 1.45rem;
	border: 1px solid var(--line);
	border-radius: 8px;
	background: #fff;
}

.service-card {
	min-height: 16rem;
}

.service-card .status-stamp,
.plan-card .status-stamp {
	margin-bottom: 1.1rem;
}

.service-card h3,
.plan-card h3 {
	margin-bottom: 0.55rem;
	font-size: 1.2rem;
	line-height: 1.3;
}

.service-card p,
.plan-card p {
	color: var(--muted);
}

.service-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem 1rem;
	margin-top: 1rem;
	padding-top: 0.9rem;
	border-top: 1px solid #dbe4e8;
	font-size: 0.85rem;
	color: #52626a;
}

.service-links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.7rem 1.1rem;
	margin-top: 1.1rem;
	font-weight: 700;
}

.service-links a {
	text-decoration-thickness: 2px;
	text-underline-offset: 0.25rem;
}

.service-links a::after {
	content: " ↗";
}

.source-note {
	margin-top: 1.4rem;
	padding: 1.1rem 1.2rem;
	border-left: 4px solid var(--blue);
	background: rgba(255, 255, 255, 0.72);
}

.source-note strong {
	display: block;
	margin-bottom: 0.25rem;
}

.plan-grid {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.plan-card {
	background: rgba(255, 253, 248, 0.78);
}

.plan-card p:last-child {
	margin-bottom: 0;
}

.boundary-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2.2rem;
}

.boundary-list {
	margin: 0;
	padding: 0;
	list-style: none;
}

.boundary-list li {
	position: relative;
	padding: 0.85rem 0 0.85rem 1.6rem;
	border-bottom: 1px solid rgba(49, 114, 82, 0.24);
}

.boundary-list li::before {
	content: "✓";
	position: absolute;
	left: 0;
	color: var(--green);
	font-weight: 800;
}

.private-note {
	padding: 1.4rem;
	border: 1px solid rgba(36, 50, 58, 0.24);
	border-radius: 8px;
	background: var(--paper-pink);
}

.private-note h3 {
	margin-bottom: 0.6rem;
}

.private-note p:last-child {
	margin-bottom: 0;
}

.faq-list {
	max-width: 52rem;
}

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

.faq-list summary {
	cursor: pointer;
	padding: 1rem 0;
	font-weight: 750;
}

.faq-list p {
	padding-bottom: 1rem;
	color: var(--muted);
}

.site-footer {
	display: flex;
	justify-content: space-between;
	gap: 2rem;
	padding-block: 2.4rem;
	font-size: 0.9rem;
}

.site-footer p {
	margin-bottom: 0;
}

.site-footer nav {
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-end;
	gap: 0.7rem 1.1rem;
}

@media (max-width: 760px) {
	.site-header,
	.site-footer {
		align-items: flex-start;
		flex-direction: column;
	}

	.top-nav {
		flex-wrap: wrap;
	}

	.hero,
	.hero-inner {
		min-height: 32rem;
	}

	.hero-inner {
		align-items: flex-start;
		padding-block: 3.4rem 8rem;
	}

	h1 {
		font-size: 2.45rem;
	}

	.lead {
		font-size: 1.04rem;
	}

	.hero-art {
		right: -2rem;
		bottom: -2.5rem;
		width: 14rem;
		opacity: 0.28;
	}

	.content-band {
		padding-block: 4rem;
	}

	.section-heading,
	.service-grid,
	.plan-grid,
	.boundary-grid {
		grid-template-columns: 1fr;
	}

	.section-heading {
		gap: 0.8rem;
	}

	.section-heading h2 {
		font-size: 1.8rem;
	}

	.service-card {
		min-height: 0;
	}

	.site-footer nav {
		justify-content: flex-start;
	}
}

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