:root {
  --bg: #fbfaff;
  --surface: #ffffff;
  --text: #1c1830;
  --muted: #5d5873;
  --line: #e6e2f3;
  --brand: #5a2be0;
  --brand-2: #2196f3;
  --accent: #ffb020;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0d18;
    --surface: #18152a;
    --text: #efedf7;
    --muted: #a9a4c0;
    --line: #2b2742;
    --brand: #a58bff;
    --brand-2: #6cc0ff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 18px; }
.brand img { width: 32px; height: 32px; }
nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-weight: 600; font-size: 15px; }
nav a[aria-current="page"], nav a:hover { color: var(--brand); }
main { padding-top: 36px; padding-bottom: 56px; }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 34px 0 8px; }
a { color: var(--brand); }
.eyebrow { color: var(--brand); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; margin: 0 0 6px; }
.meta { color: var(--muted); margin: 0 0 24px; }
.summary { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px; padding: 14px 18px; }
.summary p { margin: 0; }
ul { padding-left: 22px; }
li { margin: 8px 0; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { padding-top: 18px; padding-bottom: 28px; }

.hero { text-align: center; padding-top: 40px; }
.hero img { width: 112px; height: 112px; }
.hero h1 { font-size: 40px; margin-top: 18px; }
.hero p { color: var(--muted); font-size: 18px; max-width: 520px; margin: 8px auto 0; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-top: 36px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.card h3 { margin: 0 0 4px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
@media (max-width: 480px) {
  nav a { margin-left: 12px; }
  h1 { font-size: 28px; }
  .hero h1 { font-size: 32px; }
}