:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --text: #1c1f26;
  --muted: #5b6270;
  --rule: #e3e1db;
  --accent: #2f3a8f;
  --accent-soft: #e9ebf7;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161b;
    --surface: #1c1f26;
    --text: #ecedf0;
    --muted: #a3a9b6;
    --rule: #2d313b;
    --accent: #9aa6ff;
    --accent-soft: #252a45;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.site { border-bottom: 1px solid var(--rule); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 18px; padding-bottom: 18px; }
header.site a.brand { color: var(--text); text-decoration: none; font-weight: 650; letter-spacing: .01em; }
header.site nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
header.site nav a:hover { color: var(--text); }
main { padding: 40px 0 56px; }
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 8px; letter-spacing: -.01em; }
h2 { font-size: 21px; margin: 40px 0 10px; }
h3 { font-size: 17px; margin: 22px 0 4px; }
p.lede { color: var(--muted); font-size: 19px; margin: 0 0 8px; }
.app-head { display: flex; align-items: center; gap: 20px; margin-bottom: 18px; }
.app-head img { width: 88px; height: 88px; border-radius: 20px; box-shadow: 0 1px 3px rgba(0,0,0,.12); flex: none; }
.cards { display: grid; gap: 14px; margin-top: 28px; }
.card { display: flex; gap: 16px; align-items: center; background: var(--surface); border: 1px solid var(--rule); border-radius: 14px; padding: 16px; text-decoration: none; color: var(--text); }
.card:hover { border-color: var(--accent); }
.card img { width: 60px; height: 60px; border-radius: 14px; flex: none; }
.card strong { display: block; font-size: 18px; }
.card span { color: var(--muted); font-size: 15px; }
.contact { background: var(--accent-soft); border-radius: 14px; padding: 18px 20px; margin-top: 36px; }
.contact p { margin: 4px 0; }
ul { padding-left: 22px; }
li { margin: 4px 0; }
footer { border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }
footer .wrap { padding-top: 20px; padding-bottom: 28px; }
@media (max-width: 520px) {
  h1 { font-size: 28px; }
  header.site nav a { margin-left: 12px; }
  .app-head img { width: 68px; height: 68px; border-radius: 16px; }
}