:root {
  color-scheme: light dark;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-2: #334155;
  --muted: #64748b;
  --brand: #4f46e5;
  --brand-soft: #eef2ff;
  --navy: #0f172a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --surface: #101a30;
    --border: #1e293b;
    --text: #f1f5f9;
    --text-2: #cbd5e1;
    --muted: #94a3b8;
    --brand: #818cf8;
    --brand-soft: #1e1b4b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
header.site {
  background: linear-gradient(135deg, #312e81 0%, #4f46e5 55%, #6366f1 100%);
  color: #fff;
  padding: 0 20px;
}
.nav {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
}
.nav .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  color: #fff;
  text-decoration: none;
}
.nav .logo svg { display: block; }
.nav .links { margin-left: auto; display: flex; gap: 18px; }
.nav .links a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}
.nav .links a:hover { color: #fff; }
.hero {
  max-width: 860px;
  margin: 0 auto;
  padding: 34px 0 42px;
}
.hero h1 { font-size: 32px; margin: 0 0 6px; letter-spacing: -0.02em; }
.hero p { margin: 0; color: rgba(255, 255, 255, 0.78); font-size: 15px; }
main {
  max-width: 860px;
  margin: 0 auto;
  padding: 36px 20px 72px;
}
h2 { font-size: 19px; margin: 32px 0 10px; letter-spacing: -0.01em; }
p, li { line-height: 1.65; font-size: 15px; color: var(--text-2); }
.muted { color: var(--muted); font-size: 13.5px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  margin: 16px 0;
}
.card.accent { border-left: 4px solid var(--brand); }
ul { padding-left: 20px; }
li { margin-bottom: 8px; }
a { color: var(--brand); }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.grid .card { margin: 0; }
.grid .card h3 { margin: 0 0 6px; font-size: 16px; }
.grid .card p { margin: 0 0 12px; font-size: 14px; }
.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff !important;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 10px;
}
.pill {
  display: inline-block;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 12.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
footer.site {
  border-top: 1px solid var(--border);
  padding: 26px 20px 40px;
}
footer.site .inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: center;
  color: var(--muted);
  font-size: 13.5px;
}
footer.site a { color: var(--muted); }