:root {
  --brand: #6c47ff;
  --brand-deep: #3a1890;
  --ink: #1b1530;
  --muted: #5d5873;
  --line: #e7e3f3;
  --bg: #faf8ff;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eeeaff;
    --muted: #b3acd0;
    --line: #2e2747;
    --bg: #14101f;
    --card: #1c1730;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--brand); }
a:hover { color: var(--brand-deep); }
@media (prefers-color-scheme: dark) { a:hover { color: #a993ff; } }

.top {
  display: flex; align-items: center; gap: 10px;
  max-width: 760px; margin: 0 auto; padding: 20px 20px 0;
}
.top img { width: 36px; height: 36px; border-radius: 9px; }
.top a.brand { font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none; letter-spacing: -0.3px; }
.top nav { margin-left: auto; display: flex; gap: 16px; font-size: 14px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover { color: var(--brand); }

main { max-width: 760px; margin: 0 auto; padding: 24px 20px 56px; }
h1 { font-size: 32px; line-height: 1.2; margin: 16px 0 6px; letter-spacing: -0.5px; }
h2 { font-size: 21px; margin: 36px 0 8px; }
h3 { font-size: 17px; margin: 24px 0 6px; }
.lead { color: var(--muted); margin-top: 0; }
.meta { color: var(--muted); font-size: 14px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 20px; margin: 18px 0;
}
.card h2 { margin-top: 0; }
ol, ul { padding-left: 22px; }
li { margin: 4px 0; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; }

.hero { text-align: center; padding: 48px 0 24px; }
.hero img { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 12px 32px rgba(58, 24, 144, 0.25); }
.hero h1 { font-size: 44px; margin-top: 20px; }
.hero p { font-size: 19px; color: var(--muted); max-width: 520px; margin: 8px auto 0; }
.button {
  display: inline-block; margin-top: 24px; padding: 12px 22px; border-radius: 12px;
  background: var(--brand); color: #fff; font-weight: 600; text-decoration: none;
}
.button:hover { background: var(--brand-deep); color: #fff; }

footer {
  max-width: 760px; margin: 0 auto; padding: 20px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 8px 18px;
}
footer a { color: var(--muted); }