:root { --ink:#1c1c1e; --soft:#5d5f66; --red:#C8201E; --line:#d9dbe0; --bg:#e9eaec; --card:#f5f6f7; }
@media (prefers-color-scheme: dark) {
  :root { --ink:#f2f2f4; --soft:#a4a7ae; --red:#E5483F; --line:#34363b; --bg:#16171a; --card:#222428; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%; }
.wrap { max-width: 720px; margin: 0 auto; padding: 40px 20px 80px; }
header { display: flex; gap: 18px; align-items: center; margin-bottom: 28px; }
.sign { flex: none; width: 72px; height: 72px; border-radius: 50%; background: #fff;
  border: 8px solid #CC0605; box-shadow: 0 0 0 2px #fff, 0 6px 16px rgba(0,0,0,.25);
  display: grid; place-items: center; font: 900 30px/1 -apple-system, "Helvetica Neue", Arial, sans-serif;
  color: #111; letter-spacing: -1px; }
h1 { font-size: 30px; line-height: 1.15; margin: 0; letter-spacing: -0.4px; }
h2 { font-size: 21px; margin: 34px 0 8px; }
h3 { font-size: 17px; margin: 22px 0 4px; }
.lead { color: var(--soft); margin: 4px 0 0; }
a { color: var(--red); }
nav.langs { display: flex; gap: 14px; flex-wrap: wrap; margin: 0 0 26px; font-weight: 600; }
.card { background: var(--card); border-radius: 18px; padding: 18px 20px; margin: 16px 0;
  box-shadow: 0 6px 18px rgba(0,0,0,.08); }
section { scroll-margin-top: 20px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0 36px; }
footer { color: var(--soft); font-size: 15px; margin-top: 50px; }
ul { padding-left: 22px; } li { margin: 4px 0; }
.app { display: flex; gap: 16px; align-items: center; }
.app img { flex: none; width: 64px; height: 64px; border-radius: 15px; box-shadow: 0 4px 12px rgba(0,0,0,.18); }
.app h2 { margin: 0 0 2px; }
.app p { margin: 0; }
header img { flex: none; width: 72px; height: 72px; border-radius: 17px; box-shadow: 0 6px 16px rgba(0,0,0,.25); }