:root {
  --primary: #1a5276;
  --primary-light: #2980b9;
  --accent: #e67e22;
  --bg: #f0f4f8;
  --card: #ffffff;
  --text: #1a252f;
  --muted: #5d6d7e;
  --border: #dde4ea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #5dade2;
    --primary-light: #85c1e9;
    --bg: #0f1a24;
    --card: #17242f;
    --text: #e8eef3;
    --muted: #9fb0bf;
    --border: #2a3a48;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--primary-light); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header.hero {
  background: #1D3547;
  color: #fff;
  padding: 56px 0 48px;
  text-align: center;
}
.hero img { width: 96px; height: 96px; border-radius: 22px; }
.hero h1 { margin: 16px 0 4px; font-size: 32px; line-height: 1.2; }
.hero p { margin: 0 auto; max-width: 520px; opacity: .85; }
.btn {
  display: inline-block;
  margin-top: 24px;
  padding: 12px 24px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 32px 0;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.card h3 { margin: 0 0 4px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.lang { display: flex; gap: 8px; flex-wrap: wrap; margin: 24px 0 8px; }
.lang a {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
}
article h1 { font-size: 26px; margin: 32px 0 4px; }
article h2 { font-size: 18px; margin: 28px 0 6px; }
article .meta { color: var(--muted); font-size: 14px; margin: 0; }
article section + section { border-top: 1px solid var(--border); margin-top: 48px; }
footer {
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  padding: 32px 16px 48px;
}
footer a { margin: 0 8px; }