:root {
	--bg: #f7f8fb;
	--text: #1f2937;
	--muted: #64748b;
	--brand: #0f766e;
	--brand-dark: #115e59;
	--border: #e5e7eb;
	--card: #fff;
	--shadow: 0 18px 45px rgba(15, 23, 42, 0.06);
}

* {
	box-sizing: border-box;
}

html,
body {
	min-height: 100%;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", Arial, sans-serif;
	background: var(--bg);
	color: var(--text);
	line-height: 1.7;
}

a {
	overflow-wrap: anywhere;
}

.site-shell {
	display: flex;
	min-height: 100vh;
	flex-direction: column;
}

.site-header,
.site-footer {
	padding: 1rem max(1rem, calc((100vw - 1120px) / 2));
	background: var(--card);
}

.site-header {
	display: flex;
	gap: 1rem;
	align-items: center;
	justify-content: space-between;
	border-bottom: 1px solid var(--border);
}

.brand {
	font-weight: 700;
	color: var(--brand-dark);
	text-decoration: none;
}

.primary-nav .menu {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem 1rem;
	align-items: center;
	margin: 0;
	padding: 0;
	list-style: none;
}

.primary-nav a,
.entry-points a,
.latest-news a,
.event-list a,
.article-detail a,
.event-detail a {
	color: var(--brand-dark);
}

.primary-nav a {
	text-decoration: none;
}

.primary-nav a:hover,
.primary-nav a:focus,
.entry-points a:hover,
.entry-points a:focus,
.latest-news a:hover,
.latest-news a:focus,
.event-list a:hover,
.event-list a:focus,
.article-detail a:hover,
.article-detail a:focus,
.event-detail a:hover,
.event-detail a:focus {
	color: var(--brand);
	text-decoration: underline;
}

.site-main {
	width: min(1120px, 100%);
	margin: 0 auto;
	padding: 1.25rem 1rem;
	flex: 1;
}

.hero,
.content-card,
.grid > *,
.event-list article {
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 1rem;
	padding: 1.5rem;
	margin-bottom: 1rem;
	box-shadow: var(--shadow);
}

.hero {
	padding: clamp(1.5rem, 4vw, 2.5rem);
}

.hero h1,
.hero p,
.grid h2,
.grid h3,
.site-footer p,
.article-detail h1,
.event-detail h1 {
	margin-top: 0;
}

.hero p,
.meta,
.site-footer {
	color: var(--muted);
}

.grid {
	display: grid;
	grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
	gap: 1rem;
	align-items: start;
}

.latest-news article {
	padding: 1rem 0;
	border-top: 1px solid var(--border);
}

.latest-news article:first-of-type {
	padding-top: 0;
	border-top: 0;
}

.latest-news article:last-child {
	padding-bottom: 0;
}

.entry-points ul {
	margin: 0;
	padding-left: 1.25rem;
}

.entry-content {
	font-size: 1.02rem;
}

.entry-content > :first-child {
	margin-top: 0;
}

.entry-content img,
.entry-content iframe,
.entry-content video,
.entry-content table {
	max-width: 100%;
}

.entry-content img {
	height: auto;
}

.article-detail,
.event-detail {
	max-width: 860px;
	margin-right: auto;
	margin-left: auto;
}

.related-event,
.source-card,
.latest-progress,
.event-background,
.event-timeline {
	padding-top: 1rem;
	margin-top: 1.5rem;
	border-top: 1px solid var(--border);
}

.related-event h2,
.source-card h2,
.latest-progress h2,
.event-background h2,
.event-timeline h2 {
	margin-top: 0;
	font-size: 1.2rem;
}

.source-card p,
.related-event p,
.latest-progress p {
	margin: 0.45rem 0;
}

.event-facts {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.75rem 1rem;
	margin: 1.25rem 0;
}

.event-facts > div {
	padding: 0.85rem 1rem;
	background: var(--bg);
	border: 1px solid var(--border);
	border-radius: 0.75rem;
}

.event-facts dt {
	font-size: 0.85rem;
	font-weight: 700;
	color: var(--muted);
}

.event-facts dd {
	margin: 0.25rem 0 0;
}

.event-timeline ol {
	margin: 0;
	padding-left: 1.25rem;
}

.event-timeline li {
	padding: 0 0 1rem 0.5rem;
}

.event-timeline li:last-child {
	padding-bottom: 0;
}

.event-timeline h3 {
	margin: 0.15rem 0 0.35rem;
}

.event-list article h2 {
	margin-top: 0;
}

.site-footer {
	border-top: 1px solid var(--border);
}

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

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

	.primary-nav .menu {
		gap: 0.35rem 0.85rem;
	}

	.grid,
	.event-facts {
		grid-template-columns: 1fr;
	}

	.site-main {
		padding: 0.75rem;
	}

	.hero,
	.content-card,
	.grid > *,
	.event-list article {
		border-radius: 0.75rem;
		padding: 1rem;
	}
}