:root {
  --bg: #fff8fd;
  --surface: #fff;
  --border: #e4e4e7;
  --text: #18181b;
  --muted: #52525b;
  --accent: #6d28d9;
  --accent-soft: #f3eefc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171022;
    --surface: #1f1730;
    --border: #322544;
    --text: #f4f1f8;
    --muted: #a8a0b8;
    --accent: #c4a8ff;
    --accent-soft: #241a36;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
.wrap { max-width: 44rem; margin: 0 auto; padding: 3rem 1.25rem 5rem; }
header { border-bottom: 1px solid var(--border); padding-bottom: 1.75rem; margin-bottom: 2.5rem; }
.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: .3rem .7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1 { margin: 0 0 .6rem; font-size: clamp(1.8rem, 5vw, 2.4rem); line-height: 1.2; letter-spacing: -.02em; }
h2 {
  margin: 3rem 0 .9rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 1.25rem;
  line-height: 1.3;
  letter-spacing: -.01em;
}
h3 { margin: 2rem 0 .5rem; color: var(--text); font-size: 1.02rem; }
p, li { color: var(--muted); }
p { margin: 0 0 1rem; }
strong { color: var(--text); font-weight: 600; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
ul { margin: 0 0 1rem; padding-left: 1.2rem; }
li { margin-bottom: .6rem; }
.updated { margin: 0; color: var(--muted); font-size: .9rem; }
.summary {
  margin: 0 0 1rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  background: var(--surface);
}
.summary p:last-child { margin-bottom: 0; }
.lang { float: right; font-size: .875rem; }
footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .875rem;
}