:root {
  --bg: #0B1410;
  --surface: #13201A;
  --border: #22362C;
  --text: #ECF5EF;
  --muted: #9FB3A8;
  --body: #C7D6CD;
  --accent: #69F0AE;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #F6FAF7;
    --surface: #FFFFFF;
    --border: #D9E5DD;
    --text: #0B1410;
    --muted: #5D6B63;
    --body: #2E3B34;
    --accent: #00843A;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.7 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Arabic", "Geeza Pro", sans-serif;
}
a { color: var(--accent); }
.top, main, .foot { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding-top: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 20px; }
.brand img { border-radius: 9px; }
.top nav { color: var(--muted); font-size: 15px; }
article { padding: 32px 0; }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--body); }
ul { padding-inline-start: 22px; }
li { margin: 6px 0; }
.muted { color: var(--muted); margin-top: 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 8px 0; }
.foot { padding-top: 24px; padding-bottom: 40px; border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; }