:root {
	color-scheme: dark;
	font-family: "Segoe UI", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
	--background: #07101f;
	--surface: #101a30;
	--surface-strong: #162340;
	--border: #293a5d;
	--text: #f5f7ff;
	--muted: #b8c3d9;
	--primary: #7c5cff;
	--accent: #19d3ae;
	--warning: #ffca58;
}

* {
	box-sizing: border-box;
}

html {
	background: var(--background);
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background:
		radial-gradient(circle at 85% 5%, rgb(43 93 160 / 28%), transparent 34rem),
		linear-gradient(180deg, #081326 0%, var(--background) 55%);
	color: var(--text);
	line-height: 1.65;
}

a {
	color: var(--accent);
	text-underline-offset: 0.2em;
}

a:hover,
a:focus-visible {
	color: #7ff5dc;
}

.site-header {
	border-bottom: 1px solid rgb(255 255 255 / 8%);
	background: rgb(7 16 31 / 88%);
	backdrop-filter: blur(14px);
	position: sticky;
	top: 0;
	z-index: 2;
}

.site-header__inner,
.page,
.site-footer__inner {
	width: min(72rem, calc(100% - 2rem));
	margin-inline: auto;
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	min-height: 4.5rem;
}

.brand {
	color: var(--text);
	font-size: 1.05rem;
	font-weight: 750;
	text-decoration: none;
	letter-spacing: 0.01em;
}

.brand span {
	color: var(--accent);
}

.site-nav {
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-end;
	gap: 0.35rem 1rem;
}

.site-nav a {
	color: var(--muted);
	font-size: 0.9rem;
	text-decoration: none;
}

.page {
	padding-block: clamp(3rem, 7vw, 6rem);
}

.hero {
	max-width: 52rem;
	margin-bottom: 2.5rem;
}

.eyebrow {
	margin: 0 0 0.8rem;
	color: var(--accent);
	font-size: 0.78rem;
	font-weight: 750;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

h1,
h2 {
	line-height: 1.18;
	text-wrap: balance;
}

h1 {
	margin: 0;
	font-size: clamp(2.25rem, 7vw, 4.75rem);
	letter-spacing: -0.045em;
}

h2 {
	margin: 0 0 0.8rem;
	font-size: clamp(1.3rem, 3vw, 1.75rem);
	color: #d8d0ff;
}

.lead {
	max-width: 48rem;
	margin: 1.25rem 0 0;
	color: var(--muted);
	font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.cards,
.document {
	display: grid;
	gap: 1rem;
}

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

.card,
.document section,
.notice {
	border: 1px solid var(--border);
	border-radius: 1rem;
	background: linear-gradient(145deg, rgb(22 35 64 / 94%), rgb(13 24 45 / 94%));
	box-shadow: 0 1.5rem 4rem rgb(0 0 0 / 18%);
}

.card {
	display: flex;
	flex-direction: column;
	padding: 1.4rem;
	text-decoration: none;
}

.card strong {
	color: var(--text);
	font-size: 1.15rem;
}

.card span {
	margin-top: 0.5rem;
	color: var(--muted);
}

.card b {
	margin-top: auto;
	padding-top: 1.4rem;
	color: var(--accent);
	font-size: 0.9rem;
}

.document {
	max-width: 56rem;
}

.document section {
	padding: clamp(1.25rem, 3vw, 2rem);
}

.document p,
.document li {
	color: var(--muted);
}

.document p:last-child,
.document ul:last-child {
	margin-bottom: 0;
}

.notice {
	max-width: 56rem;
	margin: 0 0 1rem;
	padding: 1rem 1.2rem;
	border-color: rgb(255 202 88 / 45%);
	color: #ffe6a8;
}

.steps {
	padding-left: 1.25rem;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 3rem;
	margin-top: 0.75rem;
	padding: 0.6rem 1.1rem;
	border: 1px solid rgb(124 92 255 / 70%);
	border-radius: 0.75rem;
	background: var(--primary);
	color: white;
	font-weight: 700;
	text-decoration: none;
}

.button:hover,
.button:focus-visible {
	background: #927aff;
	color: white;
}

.metadata {
	color: #8493b2;
	font-size: 0.88rem;
}

.site-footer {
	border-top: 1px solid rgb(255 255 255 / 8%);
}

.site-footer__inner {
	padding-block: 2rem;
	color: #8493b2;
	font-size: 0.86rem;
}

@media (max-width: 760px) {
	.site-header {
		position: static;
	}

	.site-header__inner {
		align-items: flex-start;
		flex-direction: column;
		padding-block: 1rem;
	}

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

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