:root {
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #475569;
  --accent: #0f766e;
  --accent-fg: #ffffff;
  --card: #f8fafc;
  --border: #e2e8f0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --fg: #e2e8f0;
    --muted: #94a3b8;
    --accent: #2dd4bf;
    --accent-fg: #06251f;
    --card: #111a2c;
    --border: #1e293b;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

header.site {
  padding: 32px 0 0;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  color: var(--fg);
}

.logo-mark .sq {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-fg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
}

.hero {
  padding: 56px 0 24px;
}

h1 {
  font-size: 40px;
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.subhead {
  font-size: 19px;
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 60ch;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  font-size: 16px;
  padding: 14px 26px;
  border-radius: 10px;
  text-decoration: none;
}

.cta:hover { opacity: 0.9; }

.cta-note {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

section {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

h2 {
  font-size: 26px;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}

p { color: var(--muted); margin: 0 0 14px; }

.features {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.feature h3 {
  font-size: 17px;
  margin: 0 0 6px;
  color: var(--fg);
}

.feature p { margin: 0; }

.footer-cta {
  text-align: center;
  padding: 56px 0;
}

.footer-cta h2 { margin-bottom: 20px; }

footer.site {
  padding: 28px 0 48px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
}

footer.site a { color: var(--muted); }

.legal h1 { font-size: 30px; }
.legal h2 { font-size: 20px; margin-top: 32px; }
.legal p, .legal li { color: var(--muted); }
.legal .meta { color: var(--muted); font-size: 14px; margin-bottom: 32px; }