:root {
  --bg: #f7f8fa;
  --panel: #ffffff;
  --border: #e3e6ec;
  --text: #14171f;
  --meta: #4a5163;
  --muted: #6b7386;
  --accent: #0f766e;
  --accent-soft: #e6f4f2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --panel: #1a1f27;
    --border: #2a303c;
    --text: #f2f4f8;
    --meta: #c3cad6;
    --muted: #8a93a6;
    --accent: #5eead4;
    --accent-soft: #163330;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); }

.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }

header.site {
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
header.site .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 8px 20px; padding-top: 14px; padding-bottom: 14px;
}
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.brand small { display: block; font-weight: 500; font-size: .78rem; color: var(--muted); }
nav a { color: var(--meta); text-decoration: none; margin-right: 16px; font-size: .95rem; }
nav a:last-child { margin-right: 0; }
nav a:hover { color: var(--accent); }

main { padding: 36px 0 48px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 1.35rem; margin: 40px 0 12px; }
h3 { font-size: 1.05rem; margin: 0 0 4px; }
p, li { color: var(--meta); }
.lead { font-size: 1.1rem; max-width: 680px; }

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px;
}
.facts { display: grid; grid-template-columns: 180px 1fr; gap: 6px 16px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; color: var(--text); }
@media (max-width: 560px) { .facts { grid-template-columns: 1fr; } .facts dd { margin-bottom: 8px; } }

.apps { display: grid; gap: 14px; }
.app { display: flex; gap: 16px; align-items: flex-start; }
.app img { width: 64px; height: 64px; border-radius: 14px; flex: none; }
.app p { margin: 4px 0 6px; }
.app .meta { font-size: .88rem; color: var(--muted); }
.app .links a { font-size: .9rem; margin-right: 14px; }

.note { background: var(--accent-soft); border-radius: 10px; padding: 14px 16px; color: var(--text); }

footer.site { border-top: 1px solid var(--border); background: var(--panel); font-size: .9rem; }
footer.site .wrap { padding-top: 20px; padding-bottom: 24px; }
footer.site p { margin: 4px 0; color: var(--muted); }
footer.site nav { margin-bottom: 8px; }