:root {
  --surface: #121316;
  --surface-1: #1b1b1f;
  --surface-2: #1f1f23;
  --surface-3: #292a2d;
  --text: #e3e2e6;
  --text-dim: #cbc4d0;
  --line: #49454f;
  --primary: #d2bcff;
  --on-primary: #382462;
  --radius: 12px;
  --page: 760px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--text);
  font: 400 16px/1.65 Inter, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: var(--page); margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0;
  background: rgba(18, 19, 22, .92);
  backdrop-filter: blur(12px);
  z-index: 10;
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 64px; flex-wrap: wrap;
}
.logo { font-weight: 600; font-size: 18px; text-decoration: none; color: var(--text); }
.logo b { color: var(--primary); font-weight: 600; }
nav a { margin-left: 18px; font-size: 14px; text-decoration: none; color: var(--text-dim); }
nav a:hover { color: var(--text); }

h1 { font-size: clamp(28px, 6vw, 40px); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 16px; }
h2 { font-size: clamp(20px, 4vw, 24px); line-height: 1.25; margin: 40px 0 12px; }
h3 { font-size: 17px; margin: 24px 0 8px; }
p, li { color: var(--text-dim); }
main { padding: 40px 0 64px; }

.lead { font-size: 18px; color: var(--text-dim); max-width: 56ch; }

.btn {
  display: inline-block; margin-top: 24px;
  background: var(--primary); color: var(--on-primary);
  text-decoration: none; font-weight: 600;
  padding: 14px 24px; border-radius: var(--radius);
}
.btn:hover { opacity: .92; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin-top: 20px; }
.card { background: var(--surface-2); border-radius: var(--radius); padding: 20px; }
.card .price { font-size: 28px; font-weight: 600; color: var(--text); margin: 6px 0 2px; }
.card .note { font-size: 14px; color: var(--text-dim); }

.facts { background: var(--surface-1); border-radius: var(--radius); padding: 4px 20px; margin-top: 20px; }
.facts dl { display: grid; grid-template-columns: minmax(140px, 240px) 1fr; gap: 10px 20px; margin: 18px 0; }
.facts dt { color: var(--text-dim); font-size: 14px; }
.facts dd { margin: 0; }

.doc { max-width: 68ch; }
.doc ol { padding-left: 20px; }
.doc li { margin-bottom: 8px; }
.doc .updated { font-size: 14px; color: var(--text-dim); }

footer.site { border-top: 1px solid var(--line); padding: 28px 0 48px; font-size: 14px; color: var(--text-dim); }
footer.site a { color: var(--text-dim); }
footer.site .row { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 12px; }

@media (max-width: 560px) {
  .facts dl { grid-template-columns: 1fr; gap: 4px; }
  .facts dt { margin-top: 10px; }
  nav a { margin: 0 14px 0 0; }
  header.site .wrap { padding-bottom: 12px; }
}