:root {
	--ink: #1a1f2e;
	--muted: #5a6274;
	--paper: #f7f7f5;
	--line: #e2e2dd;
	--accent: #2f6bff;
	--radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
		Helvetica, Arial, sans-serif;
	color: var(--ink);
	background: var(--paper);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.site {
	position: sticky;
	top: 0;
	z-index: 10;
	background: rgba(247, 247, 245, 0.92);
	backdrop-filter: blur(6px);
	border-bottom: 1px solid var(--line);
}

.nav {
	max-width: 980px;
	margin: 0 auto;
	padding: 14px 24px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
}

.brand {
	display: flex;
	align-items: center;
	gap: 10px;
	font-weight: 650;
	color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand img { width: 26px; height: 26px; }

.nav-links a {
	margin-left: 22px;
	color: var(--muted);
	font-size: 0.95rem;
}
.nav-links a:first-child { margin-left: 0; }

main {
	max-width: 980px;
	margin: 0 auto;
	padding: 32px 24px 72px;
}

.hero {
	padding: 56px 0 24px;
	text-align: center;
}
.hero h1 {
	font-size: 2.6rem;
	line-height: 1.15;
	margin: 0 0 16px;
	letter-spacing: -0.02em;
}
.hero p.lede {
	font-size: 1.15rem;
	color: var(--muted);
	max-width: 640px;
	margin: 0 auto 30px;
}
.hero .cta {
	display: inline-flex;
	gap: 12px;
	align-items: center;
}
.btn {
	display: inline-block;
	padding: 12px 24px;
	border-radius: 10px;
	background: var(--accent);
	color: #fff;
	font-weight: 600;
}
.btn:hover { background: #2457d6; text-decoration: none; }
.btn.secondary {
	background: transparent;
	color: var(--ink);
	border: 1px solid var(--line);
}
.btn.secondary:hover { border-color: var(--ink); }

.features {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 18px;
	margin: 56px 0 0;
}
.feature {
	background: #fff;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 22px;
}
.feature h3 {
	margin: 0 0 8px;
	font-size: 1.05rem;
}
.feature p {
	margin: 0;
	color: var(--muted);
	font-size: 0.95rem;
}

.section {
	margin: 64px 0 0;
}
.section h2 {
	font-size: 1.7rem;
	letter-spacing: -0.01em;
	margin: 0 0 16px;
}
.section p { color: var(--muted); max-width: 720px; }

.timeline {
	list-style: none;
	margin: 20px 0 0;
	padding: 0;
}
.timeline li {
	display: flex;
	gap: 16px;
	padding: 14px 0;
	border-bottom: 1px solid var(--line);
}
.timeline li .when {
	flex: 0 0 130px;
	font-variant-numeric: tabular-nums;
	color: var(--muted);
	font-size: 0.9rem;
	padding-top: 2px;
}

footer.site {
	max-width: 980px;
	margin: 0 auto;
	padding: 32px 24px 40px;
	border-top: 1px solid var(--line);
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 12px;
	color: var(--muted);
	font-size: 0.9rem;
}
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--accent); text-decoration: none; }

.notfound {
	padding: 96px 0;
	text-align: center;
}
.notfound h1 { font-size: 6rem; margin: 0; color: var(--line); line-height: 1; }
.notfound p { color: var(--muted); margin: 8px 0 24px; }

@media (max-width: 560px) {
	.hero h1 { font-size: 2rem; }
	.nav-links a { margin-left: 14px; }
	.timeline li { flex-direction: column; gap: 4px; }
	.timeline li .when { flex: none; }
}