:root {
	--bg: #070b18;
	--bg2: #0d1428;
	--panel: #101a33;
	--line: #24345c;
	--text: #f2f5ff;
	--muted: #a7b2cf;
	--dim: #7280a3;
	--accent: #4d6bfe;
	--accent2: #7de7ff;
	--green: #86efac;
	--radius: 22px;
	--wrap: 1180px;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	background:
		radial-gradient(900px 500px at 75% 0%, rgba(77, 107, 254, 0.2), transparent 60%),
		radial-gradient(700px 400px at 10% 30%, rgba(125, 231, 255, 0.07), transparent 60%),
		var(--bg);
	color: var(--text);
	line-height: 1.65;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { color: #fff; }

code {
	font-family: "Cascadia Code", Consolas, "SFMono-Regular", monospace;
	font-size: 0.92em;
	color: #dbe4ff;
	background: rgba(77, 107, 254, 0.13);
	border: 1px solid rgba(77, 107, 254, 0.22);
	border-radius: 7px;
	padding: 0.1em 0.4em;
}

.wrap { width: min(var(--wrap), calc(100% - 44px)); margin: 0 auto; }

.nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 26px 0;
	border-bottom: 1px solid rgba(36, 52, 92, 0.65);
}

.brand {
	color: var(--text);
	font-weight: 800;
	letter-spacing: -0.03em;
	font-size: 19px;
	display: flex;
	align-items: baseline;
	gap: 10px;
}
.brand span { color: var(--dim); font-weight: 500; font-size: 13px; letter-spacing: 0.12em; }

.nav-links { display: flex; flex-wrap: wrap; gap: 22px; font-size: 14px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: #fff; }

.hero {
	display: grid;
	grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
	gap: 56px;
	align-items: center;
	padding: 76px 0 72px;
}

.eyebrow {
	margin: 0 0 18px;
	color: var(--accent2);
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.18em;
	text-transform: uppercase;
}

h1 {
	margin: 0;
	font-size: clamp(46px, 6.2vw, 78px);
	line-height: 0.98;
	letter-spacing: -0.055em;
	font-weight: 800;
}
h1 span {
	display: inline-block;
	margin-top: 12px;
	font-size: 0.42em;
	line-height: 1.2;
	letter-spacing: 0.01em;
	font-weight: 700;
	color: #dbe4ff;
}

.lead {
	margin: 26px 0 10px;
	font-size: clamp(20px, 2.2vw, 27px);
	font-weight: 700;
	letter-spacing: -0.02em;
}

.sub { margin: 0; max-width: 620px; color: var(--muted); font-size: 16px; }

.install {
	margin: 28px 0 22px;
	background: linear-gradient(180deg, rgba(16, 26, 51, 0.95), rgba(10, 17, 35, 0.95));
	border: 1px solid var(--line);
	border-radius: 18px;
	padding: 15px 18px 13px;
	max-width: 620px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}
.install-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	color: var(--dim);
	font-size: 12px;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	margin-bottom: 8px;
}
.install-head button {
	background: rgba(77, 107, 254, 0.16);
	color: var(--accent2);
	border: 1px solid rgba(77, 107, 254, 0.34);
	border-radius: 8px;
	padding: 5px 9px;
	font: inherit;
	font-size: 12px;
	letter-spacing: 0;
	cursor: pointer;
}
.install-head button:hover { background: rgba(77, 107, 254, 0.28); }
.install code {
	display: block;
	background: transparent;
	border: 0;
	padding: 0;
	color: #eef3ff;
	font-size: 14px;
	white-space: nowrap;
	overflow-x: auto;
}
.install-note { margin: 8px 0 0; color: var(--dim); font-size: 12px; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 11px 18px;
	border-radius: 11px;
	border: 1px solid var(--line);
	color: var(--text);
	background: rgba(16, 26, 51, 0.7);
	font-size: 14px;
	font-weight: 650;
}
.btn:hover { border-color: #3d5fd9; color: #fff; }
.btn.primary {
	background: linear-gradient(180deg, #5b77ff, #3f59dd);
	border-color: #6f89ff;
	box-shadow: 0 10px 30px rgba(77, 107, 254, 0.28);
}

.stats { margin: 18px 0 0; color: var(--dim); font-size: 13px; }
.stats strong { color: var(--text); }

.hero-media { margin: 0; }
.hero-media img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: var(--radius);
	border: 1px solid var(--line);
	box-shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
}

.features { padding: 56px 0 26px; }
.section-head { max-width: 760px; margin-bottom: 30px; }
.section-head h2, .split h2, .cta h2 {
	margin: 0 0 10px;
	font-size: clamp(28px, 3.6vw, 42px);
	line-height: 1.1;
	letter-spacing: -0.035em;
}
.section-head p:not(.eyebrow), .split > div > p:not(.eyebrow), .cta p:not(.eyebrow) {
	margin: 0;
	color: var(--muted);
	font-size: 16px;
}

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card {
	background: linear-gradient(180deg, rgba(16, 26, 51, 0.86), rgba(11, 18, 37, 0.86));
	border: 1px solid var(--line);
	border-radius: 16px;
	padding: 20px 20px 18px;
}
.card:hover { border-color: #3652a8; }
.num { display: block; color: var(--accent2); font-size: 12px; font-weight: 700; letter-spacing: 0.16em; margin-bottom: 12px; }
.card h3 { margin: 0 0 7px; font-size: 18px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

.split {
	display: grid;
	grid-template-columns: 1.15fr 0.85fr;
	gap: 40px;
	align-items: start;
	padding: 50px 0;
	border-top: 1px solid rgba(36, 52, 92, 0.65);
}
.checks { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.checks li {
	padding: 11px 14px 11px 38px;
	border: 1px solid var(--line);
	border-radius: 12px;
	color: var(--muted);
	font-size: 14px;
	position: relative;
	background: rgba(16, 26, 51, 0.5);
}
.checks li::before {
	content: "✓";
	position: absolute;
	left: 14px;
	top: 11px;
	color: var(--green);
	font-weight: 800;
}

.cta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
	margin: 34px auto 0;
	padding: 34px;
	border: 1px solid #2a3e76;
	border-radius: 24px;
	background:
		radial-gradient(500px 200px at 10% 0%, rgba(77, 107, 254, 0.22), transparent 70%),
		rgba(13, 20, 40, 0.9);
}
.cta h2 { font-size: clamp(25px, 3vw, 36px); }
.cta .actions { flex: 0 0 auto; }

.footer {
	display: flex;
	justify-content: space-between;
	gap: 20px;
	flex-wrap: wrap;
	padding: 34px 0 42px;
	margin-top: 26px;
	border-top: 1px solid rgba(36, 52, 92, 0.65);
	color: var(--dim);
	font-size: 13px;
}

@media (max-width: 920px) {
	.hero { grid-template-columns: 1fr; gap: 32px; padding-top: 54px; }
	.hero-media { order: -1; }
	.grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.split { grid-template-columns: 1fr; gap: 22px; }
	.cta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 620px) {
	.wrap { width: calc(100% - 30px); }
	.nav { align-items: flex-start; flex-direction: column; gap: 12px; padding: 20px 0; }
	.nav-links { gap: 14px; font-size: 13px; }
	.hero { padding: 40px 0 46px; }
	.grid { grid-template-columns: 1fr; }
	.install code { font-size: 12px; }
	.cta { padding: 24px 20px; }
	.btn { flex: 1 1 auto; }
}