:root {
  --bg: #0b0d12;
  --bg-soft: #11141c;
  --text: #eef1f6;
  --muted: #9aa3b8;
  --line: rgba(255,255,255,.1);
  --accent: #7c5cff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
}
.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 34px 20px 70px;
}
.back {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--muted);
  text-decoration: none;
}
.back:hover { color: var(--text); }
h1 {
  margin: 0 0 22px;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}
h2 {
  margin: 30px 0 10px;
  font-size: 22px;
  letter-spacing: 0;
}
p, li { color: var(--muted); }
strong { color: var(--text); }
a { color: #cbbdff; }
.details, details {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 700;
}