:root {
  --bg: #0b1020;
  --panel: #121a30;
  --line: #22304f;
  --text: #e6ebf5;
  --muted: #9aa7c2;
  --accent: #3ddc97;
  --accent-ink: #062016;
  --warn: #ffb547;
  --radius: 14px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 70% -10%, #17244a 0%, transparent 60%), var(--bg);
  color: var(--text);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }

.nav { display: flex; align-items: center; justify-content: space-between; padding-top: 20px; padding-bottom: 20px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; }
.brand:hover { text-decoration: none; }
.nav-link { color: var(--muted); }

.hero { padding-top: 48px; padding-bottom: 40px; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: 13px; font-weight: 600; margin: 0 0 12px; }
h1 { font-size: clamp(32px, 6vw, 56px); line-height: 1.08; margin: 0 0 20px; max-width: 16ch; letter-spacing: -0.02em; }
.lead { color: var(--muted); font-size: clamp(17px, 2.2vw, 20px); max-width: 62ch; margin: 0 0 28px; }
.lead strong { color: var(--text); }

.cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-bottom: 36px; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 600; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { text-decoration: none; filter: brightness(1.08); }
.note { color: var(--muted); font-size: 14px; }

.demo { background: #070b17; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 0;
  overflow-x: auto; font-size: 14px; line-height: 1.7; color: var(--text); }
.dim { color: var(--muted); }
.warn { color: var(--warn); }
.ok { color: var(--accent); }

.grid { display: grid; gap: 16px; padding-top: 24px; padding-bottom: 24px; }
.three { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h2 { font-size: 19px; margin: 0 0 8px; }
.card p { color: var(--muted); margin: 0; }
.card code { color: var(--text); background: #0a1124; padding: 1px 5px; border-radius: 5px; font-size: 13px; }

.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; padding-top: 32px; padding-bottom: 56px; align-items: start; }
.split h2 { font-size: 26px; margin: 0 0 12px; }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { position: relative; padding-left: 28px; margin: 0 0 12px; color: var(--muted); }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.ticks strong { color: var(--text); }

.price .amount { font-size: 44px; font-weight: 800; margin: 4px 0 6px; color: var(--text); letter-spacing: -0.02em; }
.price .amount span { font-size: 18px; font-weight: 500; color: var(--muted); }
.price p { margin: 0 0 8px; }
.small { font-size: 14px; }

.foot { display: flex; flex-wrap: wrap; gap: 8px 24px; padding-top: 24px; padding-bottom: 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.foot a { color: var(--muted); }