:root {
  --brand: #3B82C4;
  --brand-ink: #2C649A;
  --accent: #F2A03D;
  --bg: #F7FBFF;
  --card: #ffffff;
  --label: #1E2A36;
  --label2: #5A6B7B;
  --hairline: #1B3A5A24;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand: #6FB0E8; --brand-ink: #9CCBF2; --accent: #F6B968;
    --bg: #10171F; --card: #1B2530; --label: #E8EEF4; --label2: #9DAFBF;
    --hairline: #FFFFFF1F;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--label);
  line-height: 1.6;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
header.site {
  display: flex; align-items: center; gap: .75rem;
  padding: 1.25rem; max-width: 720px; margin: 0 auto;
}
header.site .logo {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--brand); color: #fff; display: grid; place-items: center;
  font-size: 1.5rem; font-weight: 700;
}
header.site h1 { font-size: 1.15rem; margin: 0; }
nav a { color: var(--brand-ink); text-decoration: none; margin-left: 1rem; font-weight: 600; }
nav a:hover { text-decoration: underline; }
.spacer { flex: 1; }
h1.title { font-size: 2rem; margin: .5rem 0 1rem; }
h2 { margin-top: 2rem; color: var(--label); }
p, li { color: var(--label2); }
.card {
  background: var(--card); border: 1px solid var(--hairline);
  border-radius: 18px; padding: 1.25rem 1.5rem; margin: 1rem 0;
}
.lead { font-size: 1.15rem; color: var(--label2); }
.pill {
  display: inline-block; background: color-mix(in srgb, var(--brand) 14%, transparent);
  color: var(--brand-ink); padding: .2rem .7rem; border-radius: 999px;
  font-size: .85rem; font-weight: 600; margin: .2rem .3rem .2rem 0;
}
a.button {
  display: inline-block; background: var(--brand); color: #fff;
  padding: .7rem 1.2rem; border-radius: 12px; text-decoration: none; font-weight: 700;
}
footer { border-top: 1px solid var(--hairline); margin-top: 3rem; padding-top: 1.25rem;
  font-size: .9rem; color: var(--label2); }
footer a { color: var(--brand-ink); }
.muted { color: var(--label2); font-size: .95rem; }