:root {
  --ink: #17163A;
  --muted: #5B5A78;
  --bg: #FFFFFF;
  --panel: #F5F5FB;
  --line: #E4E3F0;
  --accent: #5C54F5;
  --accent-2: #1AB2D6;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #F2F2FA;
    --muted: #A9A8C4;
    --bg: #0F0E24;
    --panel: #18173A;
    --line: #2A2950;
    --accent: #8C86FF;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 800; font-size: 22px; letter-spacing: -0.02em; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
nav { display: flex; gap: 18px; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); }
main { padding: 40px 0 56px; }
h1 { font-size: 34px; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 21px; margin: 36px 0 8px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 24px 0 4px; }
p, li { color: var(--ink); }
.lead { font-size: 19px; color: var(--muted); margin-top: 0; }
.meta { color: var(--muted); font-size: 15px; margin: 0 0 28px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; margin: 24px 0; }
.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
.email { font-size: 20px; font-weight: 700; }
.hero { text-align: center; padding: 32px 0 8px; }
.hero img { width: 96px; height: 96px; border-radius: 22px; }
.hero h1 { font-size: 40px; margin-top: 16px; }
.links { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
.button { display: inline-block; padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); text-decoration: none; color: var(--ink); background: var(--panel); font-weight: 600; font-size: 15px; }
details { border-bottom: 1px solid var(--line); padding: 12px 0; }
summary { cursor: pointer; font-weight: 600; }
details p, details ol, details ul { margin: 8px 0 4px; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { padding-top: 20px; padding-bottom: 32px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; }
footer a { color: var(--muted); }
@media (max-width: 480px) {
  h1 { font-size: 28px; }
  .hero h1 { font-size: 32px; }
  body { font-size: 16px; }
}