@font-face {
  font-family: "Literata"; font-style: normal; font-display: swap; font-weight: 200 900;
  src: url(fonts/literata-cyrillic-opsz-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Literata"; font-style: normal; font-display: swap; font-weight: 200 900;
  src: url(fonts/literata-latin-opsz-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Golos Text"; font-style: normal; font-display: swap; font-weight: 400 900;
  src: url(fonts/golos-text-cyrillic-wght-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Golos Text"; font-style: normal; font-display: swap; font-weight: 400 900;
  src: url(fonts/golos-text-latin-wght-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #0a1024;
  --text: #eef2fb;
  --muted: #b5bfd8;
  --line: #24325c;
  --blue: #3f6ef0;
  --blue-text: #9db7ff;
  --gold: #e2b64f;
  --ok: #8fe3a8;
  --warn: #f2b36b;
  --bad: #ff8f8f;
  --serif: "Literata", Georgia, "Times New Roman", serif;
  --sans: "Golos Text", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.6 var(--serif);
  font-variant-numeric: lining-nums;
  font-optical-sizing: auto;
}
main { max-width: 720px; margin: 0 auto; padding: 48px 16px 64px; }
h1 { font-size: clamp(52px, 12vw, 84px); line-height: 0.95; margin: 0 0 14px; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: 25px; line-height: 1.2; margin: 44px 0 10px; font-weight: 650; letter-spacing: -0.005em; }
h3 { font-size: 21px; margin: 36px 0 8px; font-weight: 650; }

.top { display: flex; gap: 28px; align-items: center; }
.crest { width: 168px; height: auto; flex: none; filter: drop-shadow(0 10px 30px rgba(40, 90, 230, .28)); }
.motto { color: var(--gold); font-size: 20px; font-weight: 600; margin: 0 0 16px; }
p { margin: 0 0 12px; }
.lead { font-size: 20px; color: var(--text); margin-bottom: 10px; }
a { color: var(--text); text-decoration: underline; text-decoration-color: var(--muted); text-underline-offset: 4px; }
a:hover { text-decoration-color: var(--text); }
code { font: 15px/1.4 ui-monospace, "SF Mono", Menlo, Consolas, monospace; color: var(--text); word-break: break-all; }
b.host { font-weight: 600; word-break: break-all; }

.status { display: flex; gap: 10px; align-items: center; color: var(--muted); font: 15px/1.4 var(--sans); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); flex: none; }
.status.ok .dot { background: var(--ok); } .status.ok { color: var(--ok); }
.status.warn .dot { background: var(--warn); } .status.warn { color: var(--warn); }
.status.bad .dot { background: var(--bad); } .status.bad { color: var(--bad); }

.platforms { display: flex; flex-wrap: wrap; gap: 6px 26px; margin: 40px 0 6px; padding-bottom: 14px; border-bottom: 1px solid var(--line); font-family: var(--sans); }
.platforms a { font-size: 18px; text-decoration-color: transparent; color: var(--muted); padding: 4px 0; }
.platforms a:hover { color: var(--text); }
.platforms a[aria-current="true"] { color: var(--text); font-weight: 650; text-decoration-color: var(--text); text-decoration-thickness: 2px; }
.detected { color: var(--muted); font: 14px/1.4 var(--sans); margin: 8px 0 0; min-height: 1.4em; }

section { padding-top: 28px; }
.action { display: inline-flex; align-items: center; gap: 14px; margin: 10px 0 14px; font-size: 22px; font-weight: 650; text-decoration-thickness: 2px; text-decoration-color: var(--blue); }
.action:hover { text-decoration-color: var(--text); }
.action.small { font-size: 18px; }
.mark {
  width: 46px; height: 46px; border-radius: 50%; flex: none;
  display: inline-grid; place-items: center;
  background: var(--blue); color: #fff; font: 700 22px/1 var(--sans);
  box-shadow: 0 0 0 4px rgba(63, 110, 240, .18);
}
.action.small .mark { width: 36px; height: 36px; font-size: 18px; }
.hint { color: var(--muted); font: 15px/1.5 var(--sans); }
.count { color: var(--gold); font: 600 15px/1.45 var(--sans); margin: -4px 0 6px; }
.sign { color: var(--text); font: 17px/1.55 var(--serif); margin-bottom: 14px; }
.steps { padding-left: 1.4em; margin: 8px 0 18px; }
.steps li { margin: 0 0 7px; padding-left: 4px; }
.steps li::marker { color: var(--blue-text); font-family: var(--sans); font-weight: 600; }

details { border-top: 1px solid var(--line); padding: 12px 0 4px; }
details:last-of-type { border-bottom: 1px solid var(--line); padding-bottom: 12px; }
summary { cursor: pointer; font-weight: 650; font-size: 19px; }
details[open] summary { margin-bottom: 8px; }

.levels { margin-top: 36px; border-top: 1px solid var(--line); }
dl { margin: 0; }
dt { font-weight: 650; font-size: 19px; margin-top: 18px; }
dd { margin: 4px 0 0; color: var(--muted); }
dt.no { color: var(--warn); }
dd.no { color: var(--text); }

footer { margin-top: 52px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font: 15px/1.5 var(--sans); }
footer code { font-size: 14px; color: var(--muted); }

@media (max-width: 560px) {
  .top { flex-direction: column; align-items: flex-start; gap: 18px; }
  .crest { width: 132px; }
}
@media (max-width: 420px) {
  body { font-size: 16px; }
  main { padding-top: 32px; }
  .action { font-size: 20px; }
}