:root {
  --bg: #08111f;
  --panel: #101b2d;
  --text: #e6eef8;
  --muted: #9fb0c7;
  --line: rgba(255,255,255,0.1);
  --green: #22c55e;
  --blue: #38bdf8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #13213b 0%, var(--bg) 55%);
}
.page { max-width: 1100px; margin: 0 auto; padding: 32px 20px 80px; }
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
  min-height: 72vh;
}
.eyebrow { color: var(--blue); text-transform: uppercase; letter-spacing: .08em; font-size: .85rem; }
h1 { font-size: clamp(2.3rem, 5vw, 4.8rem); line-height: 1.05; margin: 10px 0 16px; }
.lede { color: var(--muted); font-size: 1.1rem; max-width: 58ch; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 22px 0; }
.btn {
  text-decoration: none; color: white; padding: 13px 18px; border-radius: 999px; font-weight: 700;
  border: 1px solid var(--line);
}
.btn-primary { background: linear-gradient(135deg, var(--green), #16a34a); }
.btn-secondary { background: rgba(255,255,255,0.03); }
.card, .section, .price-card, details {
  background: rgba(16,27,45,.75);
  border: 1px solid var(--line);
  border-radius: 22px;
}
.card { padding: 24px; }
.card img { width: 100%; height: auto; display: block; }
.section { padding: 24px; margin-top: 22px; }
.feature-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px;
}
.feature-grid article, .price-card {
  background: rgba(255,255,255,0.03); border: 1px solid var(--line); border-radius: 18px; padding: 18px;
}
.audience, .micro-points { color: var(--muted); display: flex; flex-wrap: wrap; gap: 10px 20px; padding-left: 18px; }
.stack-list { display: block; }
.price { font-size: 3rem; font-weight: 800; margin: 0; }
.note { color: var(--muted); }
.roi-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}
.roi-grid label {
  display: grid;
  gap: 8px;
  color: var(--muted);
}
.roi-grid input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--text);
}
details { padding: 16px 18px; margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 700; }
.narrow-page { max-width: 820px; }
.single-column-grid { grid-template-columns: 1fr; }
.buy-hero { margin-top: 48px; }
.footer {
  margin-top: 22px;
  color: var(--muted);
  text-align: center;
}
.site-footer {
  padding: 20px 0 8px;
}
.site-footer p {
  margin: 8px 0;
}
.footer a { color: var(--blue); }
code {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2px 6px;
}
@media (max-width: 820px) {
  .hero, .feature-grid, .roi-grid { grid-template-columns: 1fr; }
}