:root {
	--bg: #ffffff;
	--bg-soft: #f5f6fb;
	--ink: #14152b;
	--muted: #5b5f7a;
	--line: #e3e5f0;
	--navy: #1a1b33;
	--blue: #2358e6;
	--purple: #7a0f9e;
	--grad: linear-gradient(90deg, var(--blue), var(--purple));
	--radius: 14px;
}

@media (prefers-color-scheme: dark) {
	:root {
		--bg: #12132a;
		--bg-soft: #1a1b33;
		--ink: #f1f2fa;
		--muted: #a4a8c4;
		--line: #2c2e4d;
	}
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: inherit; }

.wrap {
	max-width: 1040px;
	margin: 0 auto;
	padding: 0 20px;
}

/* header */
header.top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 18px 0;
}

.brand {
	display: flex;
	align-items: center;
	gap: 10px;
	font-weight: 700;
	text-decoration: none;
}

.brand img { width: 32px; height: 32px; border-radius: 8px; }

nav.links { display: flex; gap: 22px; font-size: 15px; }
nav.links a { color: var(--muted); text-decoration: none; }
nav.links a:hover { color: var(--ink); }

/* buttons */
.btn {
	display: inline-block;
	padding: 14px 26px;
	border-radius: 10px;
	background: var(--grad);
	color: #fff;
	font-weight: 600;
	text-decoration: none;
	box-shadow: 0 6px 20px rgba(60, 40, 200, .25);
}

.btn:hover { filter: brightness(1.08); }

.btn.ghost {
	background: transparent;
	color: var(--ink);
	border: 1px solid var(--line);
	box-shadow: none;
}

/* hero */
.hero {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
	align-items: center;
	padding: 56px 0 72px;
}

.hero h1 {
	font-size: clamp(34px, 5vw, 52px);
	line-height: 1.1;
	margin: 0 0 18px;
	letter-spacing: -0.02em;
}

.hero h1 span {
	background: var(--grad);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.hero p.lead { color: var(--muted); font-size: 19px; margin: 0 0 26px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .note { margin-top: 14px; font-size: 14px; color: var(--muted); }

/* app mock */
.mock {
	border: 1px solid var(--line);
	border-radius: var(--radius);
	background: var(--bg-soft);
	box-shadow: 0 20px 50px rgba(20, 21, 43, .15);
	overflow: hidden;
}

.mock .bar {
	display: flex;
	gap: 6px;
	padding: 10px 12px;
	background: var(--navy);
}

.mock .bar i {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background: #4a4d78;
}

.mock .shot { display: block; width: 100%; height: auto; background: #fff; }

.mock .body { padding: 22px; }
.mock h3 { margin: 0 0 6px; font-size: 22px; }
.mock .sub { color: var(--muted); font-size: 14px; margin: 0 0 14px; }

.mock .input {
	border: 1px solid var(--line);
	background: var(--bg);
	border-radius: 10px;
	padding: 12px;
	min-height: 78px;
	font-size: 15px;
}

.mock .chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

.mock .chips span {
	font-size: 13px;
	padding: 5px 11px;
	border: 1px solid var(--line);
	border-radius: 20px;
	background: var(--bg);
}

/* sections */
section { padding: 64px 0; }
section.soft { background: var(--bg-soft); }

h2 {
	font-size: clamp(26px, 3.5vw, 36px);
	line-height: 1.2;
	margin: 0 0 12px;
	letter-spacing: -0.01em;
}

.section-lead { color: var(--muted); margin: 0 0 34px; max-width: 640px; }

.grid3 {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 18px;
}

.card {
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 22px;
	background: var(--bg);
}

.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }

.step-num {
	display: inline-grid;
	place-items: center;
	width: 34px;
	height: 34px;
	border-radius: 50%;
	background: var(--grad);
	color: #fff;
	font-weight: 700;
	margin-bottom: 12px;
}

/* pricing */
.grid2 {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 18px;
	max-width: 760px;
}

.price { font-size: 30px; font-weight: 700; margin: 4px 0 12px; }
.card ul { margin: 0 0 18px; padding-left: 20px; color: var(--muted); font-size: 16px; }
.card li { margin-bottom: 6px; }

/* faq */
details {
	border-bottom: 1px solid var(--line);
	padding: 16px 0;
	max-width: 760px;
}

summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }

/* cta band */
.band {
	background: var(--navy);
	color: #fff;
	text-align: center;
	padding: 64px 20px;
}

.band h2 { color: #fff; }
.band p { color: #b9bde0; margin: 0 0 24px; }

footer {
	padding: 28px 0;
	font-size: 14px;
	color: var(--muted);
}

footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

@media (max-width: 820px) {
	.hero, .grid3, .grid2 { grid-template-columns: 1fr; }
	nav.links { display: none; }
	.hero { padding: 32px 0 48px; }
}