:root {
	--background: #0a0a0a;
	--foreground: #fafafa;
	--muted: #a1a1aa;
	--hairline: #262626;
	--surface: #141414;
	--accent: #ef4444;
	--font-sans: "Satoshi", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (prefers-color-scheme: light) {
	:root {
		--background: #fafafa;
		--foreground: #0a0a0a;
		--muted: #71717a;
		--hairline: #e4e4e7;
		--surface: #f4f4f5;
	}
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
	font-family: var(--font-sans);
	color: var(--foreground);
	background: var(--background);
	-webkit-font-smoothing: antialiased;
	line-height: 1.5;
}

a { color: var(--foreground); }
.mono { font-family: var(--font-mono); font-feature-settings: "tnum", "zero"; }

/* ── Site chrome ──────────────────────────────────────────────────────── */
.site-header {
	position: sticky;
	top: 0;
	z-index: 10;
	background: var(--background);
	border-bottom: 1px solid var(--hairline);
	padding: 16px 24px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: inherit; }
.brand-mark {
	width: 18px; height: 18px; background: var(--foreground); display: inline-block;
	clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}
.brand-name { font-size: 16px; font-weight: 600; letter-spacing: -0.02em; }
.site-nav { display: flex; gap: 18px; align-items: center; }
.site-nav a { color: var(--muted); font-size: 13px; text-decoration: none; }
.site-nav a:hover { color: var(--foreground); }
.site-nav .cta {
	color: var(--background);
	background: var(--foreground);
	padding: 6px 14px;
	border-radius: 6px;
	font-weight: 500;
}

.site-footer {
	padding: 48px 24px 32px;
	border-top: 1px solid var(--hairline);
	color: var(--muted);
	font-size: 13px;
	background: var(--background);
}
.site-footer a { color: var(--muted); text-decoration: none; }

/* ── Hero (landing) ───────────────────────────────────────────────────── */
.hero {
	max-width: 820px;
	margin: 0 auto;
	padding: 100px 24px 60px;
	text-align: center;
}
.hero .eyebrow {
	font-size: 11px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--muted);
	margin: 0 0 20px;
}
.hero h1 {
	font-size: clamp(40px, 6vw, 64px);
	font-weight: 600;
	letter-spacing: -0.03em;
	line-height: 1.05;
	margin: 0 0 24px;
}
.hero p.lede {
	font-size: 18px;
	color: var(--muted);
	max-width: 560px;
	margin: 0 auto 32px;
	line-height: 1.55;
}
.hero .buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; }
.hero .trust { font-size: 11px; color: var(--muted); letter-spacing: 0.02em; margin: 0; }
.btn {
	display: inline-block;
	padding: 12px 22px;
	border-radius: 8px;
	font-weight: 500;
	text-decoration: none;
	font-size: 14px;
	transition: transform 120ms ease, background 120ms ease;
}
.btn-primary { background: var(--foreground); color: var(--background); }
.btn-secondary { background: var(--surface); color: var(--foreground); border: 1px solid var(--hairline); }
.btn:hover { transform: translateY(-1px); }

.features {
	max-width: 980px;
	margin: 0 auto;
	padding: 40px 24px 80px;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 20px;
}
.feature {
	padding: 24px;
	border: 1px solid var(--hairline);
	border-radius: 12px;
	background: var(--surface);
}
.feature h3 { margin: 0 0 10px; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }

/* Hero emphasis */
.hero h1 em { font-style: normal; color: var(--muted); font-weight: 500; }
.btn-lg { padding: 14px 26px; font-size: 15px; }
.btn-full { display: block; width: 100%; text-align: center; }

/* Reusable eyebrow */
.eyebrow {
	font-size: 11px;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--muted);
	margin: 0 0 16px;
}

/* Highlight spans */
.highlight {
	background: linear-gradient(180deg, transparent 60%, rgba(34, 197, 94, 0.15) 60%);
	padding: 0 2px;
}

/* ── Problem ────────────────────────────────────────────────────────── */
.problem {
	padding: 100px 24px;
	border-top: 1px solid var(--hairline);
}
.problem-inner { max-width: 780px; margin: 0 auto; }
.problem h2 {
	font-size: clamp(26px, 3.6vw, 38px);
	font-weight: 600;
	letter-spacing: -0.02em;
	line-height: 1.2;
	margin: 0 0 32px;
}
.problem-math {
	border: 1px solid var(--hairline);
	border-radius: 12px;
	padding: 8px 20px;
	background: var(--surface);
	margin-bottom: 24px;
}
.problem-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 14px 0;
	border-bottom: 1px solid var(--hairline);
	font-size: 14px;
}
.problem-row:last-child { border-bottom: none; }
.problem-row.total {
	font-weight: 600;
	font-size: 16px;
	color: var(--foreground);
	padding-top: 18px;
	padding-bottom: 14px;
}
.problem-row span:last-child { color: var(--muted); }
.problem-row.total span:last-child { color: var(--foreground); }
.problem-note { color: var(--muted); font-size: 15px; line-height: 1.6; margin: 0; }

/* ── Roadmap ────────────────────────────────────────────────────────── */
.roadmap {
	padding: 100px 24px;
	background: var(--surface);
	border-top: 1px solid var(--hairline);
	border-bottom: 1px solid var(--hairline);
}
.roadmap-inner { max-width: 1080px; margin: 0 auto; }
.roadmap h2 {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 600;
	letter-spacing: -0.02em;
	line-height: 1.15;
	margin: 0 0 14px;
}
.roadmap-lede { color: var(--muted); max-width: 620px; margin: 0 0 40px; font-size: 16px; }
.roadmap-timeline {
	display: grid;
	gap: 14px;
	grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.roadmap-item {
	background: var(--background);
	border: 1px solid var(--hairline);
	border-radius: 14px;
	padding: 24px;
	transition: transform 160ms ease, border-color 160ms ease;
}
.roadmap-item:hover { transform: translateY(-2px); }
.roadmap-item.live {
	border-color: rgba(34, 197, 94, 0.4);
	box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.15);
}
.roadmap-head {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 14px;
	font-size: 11px;
	letter-spacing: 0.08em;
	color: var(--muted);
}
.roadmap-badge {
	display: inline-block;
	padding: 4px 10px;
	border: 1px solid var(--hairline);
	border-radius: 6px;
	text-transform: uppercase;
	color: var(--muted);
	background: var(--surface);
}
.roadmap-badge.live-badge {
	background: rgba(34, 197, 94, 0.12);
	color: #22c55e;
	border-color: rgba(34, 197, 94, 0.3);
}
.roadmap-item h3 {
	margin: 0 0 8px;
	font-size: 18px;
	font-weight: 600;
	letter-spacing: -0.01em;
}
.roadmap-item p { margin: 0 0 12px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.roadmap-item code {
	font-family: var(--font-mono);
	font-size: 12px;
	padding: 1px 6px;
	background: var(--surface);
	border-radius: 4px;
	color: var(--foreground);
}
.roadmap-item ul {
	margin: 8px 0 0 0;
	padding: 0;
	list-style: none;
}
.roadmap-item li {
	padding: 5px 0 5px 18px;
	font-size: 13px;
	color: var(--foreground);
	position: relative;
	line-height: 1.5;
}
.roadmap-item li::before {
	content: "•";
	position: absolute;
	left: 2px;
	color: var(--muted);
}
.roadmap-note {
	margin: 32px 0 0;
	color: var(--muted);
	font-size: 14px;
	text-align: center;
	max-width: 600px;
	margin-left: auto;
	margin-right: auto;
}

/* ── Compare: divider + stronger highlight ─────────────────────────── */
.compare-table tr.divider td {
	padding: 0;
	height: 8px;
	border-bottom: none;
	background: var(--surface);
}

/* ── Pricing: future tier row ──────────────────────────────────────── */
.pricing { text-align: center; }
.pricing-future {
	max-width: 720px;
	margin: 32px auto 0;
	display: flex;
	flex-direction: column;
	gap: 8px;
	font-size: 13px;
	color: var(--muted);
}
.pricing-future div {
	padding: 10px 16px;
	border: 1px dashed var(--hairline);
	border-radius: 8px;
}
.pricing-future .tier-num {
	color: var(--foreground);
	padding: 2px 8px;
	background: var(--background);
	border-radius: 4px;
	margin-right: 8px;
	font-size: 11px;
}

/* ── Differentiator ───────────────────────────────────────────────── */
.differentiator {
	padding: 100px 24px;
	border-top: 1px solid var(--hairline);
}
.differentiator-inner { max-width: 1080px; margin: 0 auto; }
.differentiator h2 {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 600;
	letter-spacing: -0.02em;
	line-height: 1.15;
	margin: 0 0 14px;
	max-width: 780px;
}
.differentiator h2 em { font-style: italic; color: var(--foreground); }
.diff-lede {
	color: var(--muted);
	font-size: 16px;
	max-width: 700px;
	margin: 0 0 48px;
	line-height: 1.6;
}
.diff-grid {
	display: grid;
	gap: 16px;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.diff-card {
	padding: 28px;
	border: 1px solid var(--hairline);
	border-radius: 14px;
	background: var(--background);
}
.diff-num {
	font-size: 11px;
	color: var(--muted);
	letter-spacing: 0.08em;
	margin-bottom: 14px;
}
.diff-card h3 {
	margin: 0 0 12px;
	font-size: 17px;
	font-weight: 600;
	letter-spacing: -0.01em;
	line-height: 1.3;
}
.diff-card p {
	margin: 0 0 12px;
	color: var(--muted);
	font-size: 14px;
	line-height: 1.65;
}
.diff-card p:last-child { margin-bottom: 0; }
.diff-card p.diff-point {
	color: var(--foreground);
	font-weight: 450;
	padding-left: 14px;
	border-left: 2px solid rgba(34, 197, 94, 0.4);
}
.diff-card em { font-style: italic; color: var(--foreground); }
.diff-card code {
	font-family: var(--font-mono);
	font-size: 12px;
	padding: 1px 5px;
	background: var(--surface);
	border-radius: 4px;
	color: var(--foreground);
}
.diff-card strong { font-weight: 600; color: var(--foreground); }

/* ── Segments ─────────────────────────────────────────────────────────── */
.segments {
	padding: 80px 24px;
	border-top: 1px solid var(--hairline);
}
.segments-inner { max-width: 1080px; margin: 0 auto; }
.segments h2 {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 600;
	letter-spacing: -0.02em;
	line-height: 1.15;
	margin: 0 0 14px;
	max-width: 820px;
}
.segments-lede { color: var(--muted); max-width: 640px; margin: 0 0 40px; font-size: 16px; }
.segments-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.segment {
	padding: 28px;
	border: 1px solid var(--hairline);
	border-radius: 14px;
	background: var(--background);
	transition: border-color 160ms ease, transform 160ms ease;
}
.segment:hover { border-color: var(--hairline-strong, var(--muted)); transform: translateY(-2px); }
.segment-tag { font-size: 11px; color: var(--muted); margin-bottom: 14px; letter-spacing: 0.08em; }
.segment h3 { margin: 0 0 10px; font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.segment p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

/* ── How it works ────────────────────────────────────────────────────── */
.how {
	padding: 80px 24px;
	background: var(--surface);
	border-top: 1px solid var(--hairline);
	border-bottom: 1px solid var(--hairline);
}
.how-inner { max-width: 1080px; margin: 0 auto; }
.how h2 {
	font-size: clamp(24px, 3vw, 32px);
	font-weight: 600;
	letter-spacing: -0.02em;
	margin: 0 0 40px;
	text-align: center;
}
.how-steps {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 24px;
}
.how-step { padding: 12px 4px; }
.how-num {
	display: inline-flex; align-items: center; justify-content: center;
	width: 32px; height: 32px;
	border: 1px solid var(--hairline);
	border-radius: 50%;
	font-size: 13px; color: var(--foreground);
	margin-bottom: 16px;
}
.how-step h3 { margin: 0 0 8px; font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.how-step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

/* ── Features (update) ──────────────────────────────────────────────── */
.feature-icon { font-size: 22px; margin-bottom: 14px; }

/* ── Compare table ────────────────────────────────────────────────────── */
.compare {
	padding: 80px 24px;
	border-top: 1px solid var(--hairline);
}
.compare-inner { max-width: 960px; margin: 0 auto; }
.compare h2 {
	font-size: clamp(28px, 4vw, 40px);
	font-weight: 600;
	letter-spacing: -0.02em;
	margin: 0 0 32px;
	text-align: center;
}
.compare-wrap { overflow-x: auto; border: 1px solid var(--hairline); border-radius: 12px; }
.compare-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 14px;
	background: var(--background);
	min-width: 560px;
}
.compare-table thead th {
	text-align: left;
	padding: 14px 16px;
	font-weight: 600;
	border-bottom: 1px solid var(--hairline);
	background: var(--surface);
	font-size: 13px;
}
.compare-table tbody td {
	padding: 13px 16px;
	border-bottom: 1px solid var(--hairline);
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table td.good { color: #22c55e; font-weight: 500; }
.compare-table td.bad { color: var(--muted); }
.compare-table td.meh { color: #eab308; }
.compare-table th.col-arca, .compare-table td.col-arca {
	background: rgba(34, 197, 94, 0.05);
	border-left: 1px solid rgba(34, 197, 94, 0.2);
	border-right: 1px solid rgba(34, 197, 94, 0.2);
}
.compare-note {
	font-size: 11px;
	color: var(--muted);
	text-align: center;
	margin: 20px 0 0;
}
@media (max-width: 640px) {
	.compare-table { font-size: 12px; }
	.compare-table thead th, .compare-table tbody td { padding: 10px 10px; }
}

/* ── Pricing ──────────────────────────────────────────────────────────── */
.pricing {
	padding: 80px 24px;
	background: var(--surface);
	border-top: 1px solid var(--hairline);
	border-bottom: 1px solid var(--hairline);
}
.pricing-card {
	max-width: 480px;
	margin: 0 auto;
	background: var(--background);
	border: 1px solid var(--hairline);
	border-radius: 16px;
	padding: 40px 32px;
	text-align: center;
	box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}
.pricing-eyebrow {
	font-size: 11px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--muted);
	margin: 0 0 16px;
}
.pricing-amount { display: flex; align-items: baseline; justify-content: center; gap: 6px; margin-bottom: 18px; }
.pricing-amount .currency { font-size: 14px; color: var(--muted); font-family: var(--font-mono); }
.pricing-amount .amount {
	font-size: clamp(48px, 7vw, 64px);
	font-weight: 600;
	letter-spacing: -0.03em;
	line-height: 1;
}
.pricing-amount .period { font-size: 13px; color: var(--muted); }
.pricing-note { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.pricing-feat {
	list-style: none;
	padding: 0;
	margin: 0 0 28px;
	text-align: left;
	border-top: 1px solid var(--hairline);
	border-bottom: 1px solid var(--hairline);
	padding: 16px 0;
}
.pricing-feat li {
	padding: 7px 0 7px 22px;
	font-size: 14px;
	color: var(--foreground);
	position: relative;
}
.pricing-feat li::before {
	content: "✓";
	position: absolute;
	left: 0;
	top: 7px;
	color: #22c55e;
	font-weight: 600;
}
.pricing-fine { font-size: 11px; color: var(--muted); margin: 18px 0 0; }
.pricing-fine a { color: var(--foreground); text-decoration: underline; text-underline-offset: 3px; }

/* ── FAQ ──────────────────────────────────────────────────────────────── */
.faq {
	padding: 80px 24px;
}
.faq-inner { max-width: 760px; margin: 0 auto; }
.faq h2 {
	font-size: clamp(28px, 4vw, 36px);
	font-weight: 600;
	letter-spacing: -0.02em;
	margin: 0 0 32px;
	text-align: center;
}
.faq-item {
	padding: 22px 0;
	border-bottom: 1px solid var(--hairline);
}
.faq-item:last-child { border-bottom: none; }
.faq-item h3 {
	margin: 0 0 10px;
	font-size: 16px;
	font-weight: 600;
	letter-spacing: -0.01em;
}
.faq-item p {
	margin: 0;
	color: var(--muted);
	font-size: 14px;
	line-height: 1.7;
}
.faq-item code { font-family: var(--font-mono); font-size: 13px; padding: 1px 5px; background: var(--surface); border-radius: 3px; }

/* ── CTA ──────────────────────────────────────────────────────────────── */
.cta-section {
	max-width: 720px;
	margin: 0 auto;
	padding: 100px 24px 120px;
	text-align: center;
}
.cta-section h2 {
	font-size: clamp(32px, 5vw, 48px);
	font-weight: 600;
	letter-spacing: -0.02em;
	line-height: 1.1;
	margin: 0 0 18px;
}
.cta-section p { color: var(--muted); margin: 0 0 28px; font-size: 16px; line-height: 1.55; }
.cta-section .buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Footer expanded ──────────────────────────────────────────────────── */
.footer-grid {
	max-width: 1080px;
	margin: 0 auto 32px;
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr 1fr;
	gap: 40px;
	text-align: left;
	padding: 0 8px;
}
.footer-grid a {
	display: block;
	color: var(--muted);
	text-decoration: none;
	font-size: 13px;
	margin: 6px 0;
}
.footer-grid a:hover { color: var(--foreground); }
.footer-title {
	font-size: 11px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--foreground);
	margin-bottom: 12px;
}
.footer-base {
	max-width: 1080px;
	margin: 0 auto;
	padding-top: 20px;
	border-top: 1px solid var(--hairline);
	font-size: 11px;
	color: var(--muted);
	text-align: center;
}
@media (max-width: 720px) {
	.footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Legal document ───────────────────────────────────────────────────── */
.legal-page { padding: 48px 24px 80px; }
.legal-page article { max-width: 720px; margin: 0 auto; }
.legal-page h1 { font-size: 32px; font-weight: 600; letter-spacing: -0.02em; margin: 0; }
.legal-page .updated { font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin: 8px 0 40px; }
.legal-body { font-size: 15px; line-height: 1.65; }
.legal-body h2 { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; margin: 40px 0 12px; }
.legal-body h3 { font-size: 16px; font-weight: 600; margin: 28px 0 8px; }
.legal-body p { margin: 0 0 16px; }
.legal-body ul, .legal-body ol { margin: 0 0 16px 20px; padding: 0; }
.legal-body li { margin-bottom: 6px; }
.legal-body a { color: var(--foreground); text-decoration: underline; text-underline-offset: 3px; }
.legal-body strong { font-weight: 600; }
.legal-body hr { border: none; border-top: 1px solid var(--hairline); margin: 48px 0; }
.legal-body code {
	font-family: var(--font-mono); font-size: 13px;
	padding: 1px 4px; background: var(--surface); border-radius: 3px;
}