:root {
  color-scheme: light dark;
  --bg: #f7f8fb;
  --card: #ffffff;
  --text: #1a1d26;
  --muted: #5c6478;
  --accent: #5b7cfa;
  --border: #e3e7ef;
  --shadow: 0 10px 30px rgba(20, 30, 60, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1219;
    --card: #171b24;
    --text: #eef1f7;
    --muted: #a6afc2;
    --accent: #8aa2ff;
    --border: #2a3140;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.65;
  color: var(--text);
  background: radial-gradient(circle at top, rgba(91, 124, 250, 0.08), transparent 42%),
    var(--bg);
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 28px 24px;
}

header {
  margin-bottom: 24px;
}

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.35rem);
  line-height: 1.15;
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.meta {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.92rem;
}

.lang-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.lang-nav a {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 0.92rem;
}

.lang-nav a:hover {
  border-color: var(--accent);
}

.lang-nav a[aria-current="page"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover {
  color: var(--accent);
}

.site-nav a[aria-current="page"] {
  color: var(--accent);
}

h2 {
  margin: 28px 0 10px;
  font-size: 1.15rem;
}

p,
ul,
ol {
  margin: 0 0 14px;
}

ul,
ol {
  padding-left: 1.25rem;
}

li {
  margin-bottom: 6px;
}

.summary {
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(91, 124, 250, 0.08);
  border: 1px solid rgba(91, 124, 250, 0.18);
}

footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
}

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