:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #111111;
  --muted: #6e6e73;
  --border: rgba(0, 0, 0, 0.08);
  --accent: #8b5cf6;
  --accent-light: #a78bfa;
  --tint: rgba(139, 92, 246, 0.1);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #15171b;
    --text: #ffffff;
    --muted: #8e8e93;
    --border: #272a30;
    --tint: rgba(139, 92, 246, 0.18);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.nav { border-bottom: 1px solid var(--border); }
header.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 19px; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.brand:hover { text-decoration: none; }
nav.links { display: flex; gap: 18px; font-size: 15px; }
nav.links a { color: var(--muted); }
nav.links a[aria-current="page"] { color: var(--text); font-weight: 600; }
main { padding: 48px 0 64px; }
h1 { font-size: 40px; line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 12px; }
h2 { font-size: 24px; letter-spacing: -0.01em; margin: 40px 0 10px; }
h3 { font-size: 18px; margin: 24px 0 6px; }
p, li { color: var(--text); }
.lead { font-size: 20px; color: var(--muted); margin: 0 0 28px; }
.muted { color: var(--muted); }
.hero { text-align: center; padding-top: 16px; }
.hero img.icon { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 18px 40px rgba(139, 92, 246, 0.35); }
.hero h1 { margin-top: 24px; }
.tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--accent); background: var(--tint); padding: 4px 12px; border-radius: 999px; }
.btn { display: inline-block; background: linear-gradient(180deg, var(--accent-light), var(--accent)); color: #fff; font-weight: 600; padding: 14px 26px; border-radius: 16px; }
.btn:hover { text-decoration: none; opacity: 0.92; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin-top: 36px; text-align: left; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 20px; }
.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.contact { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 22px; margin: 8px 0 8px; }
.contact strong { display: block; font-size: 19px; margin-bottom: 4px; }
details { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 14px 18px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
details p, details ol, details ul { margin: 10px 0 2px; color: var(--muted); }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
footer { border-top: 1px solid var(--border); padding: 24px 0 40px; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
@media (max-width: 520px) {
  h1 { font-size: 32px; }
  .lead { font-size: 18px; }
  nav.links { gap: 12px; font-size: 14px; }
  .brand span { display: none; }
}