:root {
  --bg: #faf6ef;
  --card: #ffffff;
  --text: #1f1b2d;
  --muted: #6b6478;
  --line: rgba(31, 27, 45, 0.1);
  --coral: #f46b62;
  --grape: #7852d6;
  --sun: #fabc45;
  --grad: linear-gradient(135deg, var(--coral), var(--grape));
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121118;
    --card: #1d1b26;
    --text: #f2eff8;
    --muted: #a49db3;
    --line: rgba(255, 255, 255, 0.1);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}
a { color: var(--grape); }
@media (prefers-color-scheme: dark) { a { color: #a98cff; } }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }

header.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
header.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 800; font-size: 20px; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.nav-links { display: flex; gap: 18px; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--text); }

.hero { padding: 72px 0 40px; text-align: center; }
.hero img.icon {
  width: 156px; height: 156px; border-radius: 36px;
  box-shadow: 0 24px 60px rgba(120, 82, 214, 0.35);
}
.hero h1 {
  margin: 28px 0 8px;
  font-size: clamp(40px, 8vw, 64px); line-height: 1.05; letter-spacing: -0.02em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { margin: 0 auto; max-width: 560px; font-size: 20px; color: var(--muted); }
.badge {
  display: inline-block; margin-top: 28px; padding: 12px 22px; border-radius: 999px;
  background: var(--grad); color: #fff; font-weight: 700; text-decoration: none;
}
.note { margin-top: 12px; font-size: 14px; color: var(--muted); }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; padding: 24px 0 56px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 22px; }
.feature .emoji { font-size: 28px; }
.feature h3 { margin: 10px 0 6px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

.doc { padding: 48px 16px 64px; max-width: 752px; }
.doc h1 { font-size: clamp(30px, 6vw, 42px); line-height: 1.15; margin: 0 0 6px; }
.doc .updated { color: var(--muted); margin: 0 0 28px; font-size: 15px; }
.doc h2 { font-size: 21px; margin: 32px 0 6px; }
.doc p, .doc li { color: var(--text); }
.doc .card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; margin: 14px 0; }
.doc .card h3 { margin: 0 0 4px; font-size: 17px; }
.doc .card p { margin: 0; color: var(--muted); font-size: 15px; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
footer a { color: var(--muted); }

@media (max-width: 520px) {
  .nav-links { gap: 12px; }
  .nav-links a { font-size: 14px; }
  .brand span { display: none; }
}