:root {
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --accent: #0891b2;
  --accent-ink: #0e7490;
  --paper: #ffffff;
  --wash: #f8fafc;
  font: 17px/1.6 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--accent-ink); }
img { max-width: 100%; }
code, pre { font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
:not(pre) > code { background: #f1f5f9; padding: 1px 5px; border-radius: 4px; }
pre { background: var(--ink); color: #e2e8f0; padding: 16px 18px; border-radius: 10px; overflow-x: auto; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 24px; }
.nav { display: flex; align-items: center; gap: 24px; padding: 20px 0; }
.nav .brand { display: flex; margin-right: auto; }
.nav .brand img { display: block; height: 40px; width: auto; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.hero { padding: 64px 0 40px; }
.hero h1 { font-size: clamp(36px, 6vw, 60px); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 20px; max-width: 14ch; }
.hero p { font-size: 20px; color: var(--muted); max-width: 46ch; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.button { display: inline-block; font-family: inherit; padding: 12px 20px; border-radius: 8px; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; border: 0; font-size: 16px; cursor: pointer; }
.button:hover { background: var(--accent-ink); }
.button.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
section { padding: 48px 0; }
section h2 { font-size: 30px; letter-spacing: -0.01em; margin: 0 0 12px; }
section > .wrap > p { color: var(--muted); max-width: 62ch; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 24px; counter-reset: step; }
.step { border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.step::before { counter-increment: step; content: counter(step); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 8px; }
.step h3 { margin: 0 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); }
.playground { background: var(--wash); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.mock { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; margin-top: 24px; }
@media (max-width: 760px) { .mock { grid-template-columns: 1fr; } }
.product { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.product .art { aspect-ratio: 4 / 3; border-radius: 10px; background: linear-gradient(135deg, #a5f3fc, #c4b5fd 60%, #fbcfe8); }
.product h3 { margin: 16px 0 4px; font-size: 22px; }
.product .price { font-size: 26px; font-weight: 700; margin: 8px 0 16px; }
.product .price s { color: var(--muted); font-weight: 400; font-size: 18px; margin-left: 6px; }
.form { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.form label { display: block; font-weight: 600; font-size: 14px; margin: 12px 0 4px; }
.form input, .form select { width: 100%; font: inherit; padding: 10px 12px; border: 1px solid #cbd5e1; border-radius: 8px; }
.form .button { width: 100%; margin-top: 16px; }
.compare { width: 100%; border-collapse: collapse; margin-top: 24px; }
.compare th, .compare td { text-align: left; padding: 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare th { font-size: 15px; }
.compare td:first-child { color: var(--muted); width: 28%; }
footer { padding: 40px 0 60px; color: var(--muted); font-size: 15px; border-top: 1px solid var(--line); }
.docs { display: grid; grid-template-columns: 200px 1fr; gap: 40px; padding: 24px 0 80px; }
.docs nav { position: sticky; top: 20px; align-self: start; display: grid; gap: 6px; font-size: 15px; }
.docs nav a { color: var(--muted); text-decoration: none; }
.docs article { min-width: 0; }
.docs h1 { margin-top: 0; }
.docs h2 { margin-top: 48px; padding-top: 8px; }
.docs table { border-collapse: collapse; width: 100%; font-size: 15px; }
.docs td, .docs th { border-bottom: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; }
@media (max-width: 760px) { .docs { grid-template-columns: 1fr; } .docs nav { position: static; } }
kbd { font: 600 0.8em/1 'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif; padding: 2px 6px; border-radius: 5px; border: 1px solid var(--line); border-bottom-width: 2px; background: #fff; }