:root {
  --bg: #0a0a0a;
  --surface: #171717;
  --border: #262626;
  --text: #e5e5e5;
  --muted: #a1a1a1;
  --accent: #ad46ff;
  --accent-2: #f6339a;
  --link: #c27aff;
  --max: 720px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

header {
  background: linear-gradient(135deg, #59168b 0%, #861043 100%);
  padding: 48px 24px 36px;
}
header .inner {
  max-width: var(--max);
  margin: 0 auto;
}
header .brand {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}
header h1 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
header .effective {
  margin-top: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 24px 80px;
}

h2 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin: 36px 0 12px;
  letter-spacing: -0.01em;
}
h2:first-child { margin-top: 0; }

p { margin: 0 0 12px; color: var(--text); }
ul { margin: 0 0 16px 0; padding-left: 20px; }
li { margin-bottom: 6px; color: var(--text); }
li::marker { color: var(--accent); }

strong { color: #fff; font-weight: 700; }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 14px;
  color: var(--muted);
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 48px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
footer a { color: var(--muted); }

nav.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 32px;
}
nav.toc ol {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
}
nav.toc li { margin-bottom: 4px; }

.home-cards {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-top: 24px;
}
@media (min-width: 600px) {
  .home-cards { grid-template-columns: 1fr 1fr; }
}
.home-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  text-decoration: none;
  display: block;
  transition: border-color 0.15s ease;
}
.home-card:hover {
  border-color: var(--accent);
  text-decoration: none;
}
.home-card h3 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 18px;
}
.home-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}