:root {
  --ink: #332e3d;
  --muted: #716a7d;
  --faint: #a29aaa;
  --line: #e3ddea;
  --paper: #fffefe;
  --bg: #fcfafe;
  --primary: #806ab6;
  --primary-dark: #65508e;
  --rose: #a96d83;
  --danger: #8d2922;
  --danger-bg: #fff5f4;
  --danger-line: #e7b5b0;
  --radius: 20px;
  --shadow: 0 10px 30px rgba(75, 64, 87, 0.05);
  color-scheme: light;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  background:
    radial-gradient(900px 480px at 8% -12%, rgba(128, 106, 182, 0.16), transparent 55%),
    radial-gradient(720px 420px at 100% 0%, rgba(169, 109, 131, 0.12), transparent 50%),
    var(--bg);
  font-family: Outfit, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.02rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--primary-dark);
  text-underline-offset: 0.16em;
}

a:hover { color: var(--primary); }

a:focus-visible,
.skip:focus-visible {
  outline: 3px solid rgba(128, 106, 182, 0.45);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 2;
  padding: 8px 12px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.skip:focus { top: 12px; }

.wrap {
  width: min(740px, calc(100% - 36px));
  margin: 0 auto;
  padding: 28px 0 80px;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  margin-bottom: 36px;
}

.brand {
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
}

.toplinks {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  font-size: 0.92rem;
  font-weight: 600;
}

.toplinks a { color: var(--muted); text-decoration: none; }
.toplinks a[aria-current="page"],
.toplinks a:hover { color: var(--primary-dark); }

.kicker {
  margin: 0 0 8px;
  color: var(--rose);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 7.2vw, 3.05rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.lead, .updated {
  margin: 0;
  color: var(--muted);
}

.lead { font-size: 1.08rem; max-width: 38rem; }

.updated { margin-top: 10px; font-size: 0.92rem; }

.toc {
  display: grid;
  gap: 8px;
  margin: 28px 0 8px;
  padding: 18px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.toc a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.toc a:hover { color: var(--primary-dark); }

section {
  margin-top: 22px;
  padding: 22px 22px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

h2 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  letter-spacing: -0.03em;
}

h3 {
  margin: 18px 0 6px;
  font-size: 1rem;
}

p, li { color: var(--muted); }

p:last-child, ul:last-child { margin-bottom: 0; }

ul { padding-left: 1.15rem; }
li + li { margin-top: 6px; }

.meta {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.meta div {
  padding: 14px 16px;
  background: rgba(240, 236, 248, 0.7);
  border-radius: 14px;
}

.meta strong {
  display: block;
  color: var(--ink);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta span { color: var(--muted); font-size: 0.95rem; }

.notice {
  padding: 14px 16px;
  background: var(--danger-bg);
  border: 1px solid var(--danger-line);
  border-radius: 14px;
  color: var(--danger);
}

.notice strong { color: var(--danger); }

.placeholder {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.95em;
  color: var(--ink);
  background: #f3eff9;
  padding: 0.08em 0.4em;
  border-radius: 6px;
}

footer {
  margin-top: 28px;
  color: var(--faint);
  font-size: 0.88rem;
}

footer p { color: var(--faint); }

@media (min-width: 720px) {
  .wrap { padding-top: 44px; }
  section { padding: 26px 28px 28px; }
}