:root {
  --bg: #070b1a;
  --surface: #121c38;
  --text: #f4f6fc;
  --muted: #8fa0c4;
  --teal: #1fc9bb;
  --violet: #25399e;
  --border: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #25399e55, transparent),
    radial-gradient(900px 500px at 100% 0%, #149e9040, transparent),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
}

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 1.15rem;
}

.brand span { color: var(--teal); }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

nav a {
  color: var(--muted);
  font-size: 0.92rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}
nav a.active {
  color: var(--text);
  border-color: var(--border);
  background: var(--surface);
}

select#lang {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.9rem;
}

h1 {
  font-size: 1.75rem;
  margin: 0 0 8px;
  line-height: 1.25;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

article h2 {
  font-size: 1.05rem;
  margin: 28px 0 10px;
  color: var(--teal);
}

article p, article li {
  color: #d7def0;
  margin: 0 0 12px;
}

article ul { padding-left: 1.2rem; margin: 0 0 12px; }

footer {
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

[dir="rtl"] article ul { padding-left: 0; padding-right: 1.2rem; }