:root {
  --bg: #F6F9FC;
  --bg2: #FFFFFF;
  --border: #E3E8EE;
  --text: #0A2540;
  --muted: #5E6B7A;
  --accent: #5650E8;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Heebo', ui-sans-serif, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 80px 20px 48px;
  -webkit-font-smoothing: antialiased;
}
.skip-link {
  position: absolute;
  top: -100px;
  inset-inline-start: 16px;
  background: var(--accent);
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  z-index: 10000;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.skip-link:focus {
  top: 16px;
}
.back-link {
  position: fixed;
  top: 20px;
  inset-inline-start: 24px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
  z-index: 20;
}
.back-link:hover { color: var(--accent); }
.logo-link {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
}
.logo-link img { height: 40px; width: 160px; object-fit: contain; display: block; }
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 44px;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: 0 8px 40px -12px rgba(10,37,64,0.10);
}
h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.updated {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 32px;
}
h2 {
  font-size: 16px;
  font-weight: 700;
  margin: 28px 0 10px;
  color: var(--text);
}
p, li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
p { margin-bottom: 12px; }
ul {
  margin: 0 0 12px 20px;
}
[dir="rtl"] ul { margin: 0 20px 12px 0; }
li { margin-bottom: 6px; }
a { color: var(--accent); }
code {
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
}
.site-footer {
  margin-top: 28px;
  text-align: center;
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}
.site-footer a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}
.site-footer a:hover { color: var(--accent); }
@media (max-width: 520px) {
  .card { padding: 32px 24px; }
  .logo-link { display: none; }
}