:root{
  --bg:#0B0F19;
  --surface:#111827;
  --surface2:#1a2236;
  --p:#4F46E5;
  --p2:#06B6D4;
  --a:#22D3EE;
  --a2:#818CF8;
  --text:#E5E7EB;
  --muted:#9CA3AF;
  --dim:#6B7280;
  --border:rgba(79,70,229,0.2);
  --r:16px;
  --font-ar:'Tajawal',sans-serif;
  --font-en:'Space Grotesk',sans-serif;
  --mono:'JetBrains Mono',monospace;
  --transition:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-ar);
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
}
body::after{
  content:"";
  position:fixed;
  inset:-20%;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 700px at 20% 10%, rgba(79,70,229,.25) 0%, rgba(79,70,229,.10) 22%, transparent 60%),
    radial-gradient(900px 700px at 75% 20%, rgba(6,182,212,.22) 0%, rgba(6,182,212,.08) 28%, transparent 62%),
    radial-gradient(900px 700px at 35% 80%, rgba(34,211,238,.18) 0%, rgba(34,211,238,.06) 30%, transparent 62%),
    radial-gradient(1200px 900px at 50% 50%, rgba(255,255,255,.03) 0%, transparent 60%);
  filter:blur(40px) saturate(120%) contrast(105%);
  opacity:.95;
  transform:translate3d(0,0,0);
}
@media (max-width:768px){
  body::after{position:absolute;inset:-18%;filter:blur(32px) saturate(120%) contrast(105%);opacity:.98}
}

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

.site-header{
  position:sticky;
  top:0;
  z-index:10;
  backdrop-filter:blur(14px);
  background:rgba(17,24,39,.72);
  border-bottom:1px solid var(--border);
}
.nav{
  max-width:1040px;
  margin:0 auto;
  padding:14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  position:relative;
  z-index:1;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:800;
}
.brand img{width:28px;height:28px;border-radius:8px}
.nav-links{
  display:flex;
  gap:14px;
  align-items:center;
  flex-wrap:wrap;
}
.nav-links a{
  color:var(--muted);
  font-size:13px;
  padding:8px 10px;
  border-radius:10px;
  transition:background .2s,var(--transition) color .2s;
}
.nav-links a:hover{background:rgba(255,255,255,.06);color:var(--text);text-decoration:none}

.wrap{
  max-width:1040px;
  margin:0 auto;
  padding:26px 18px 64px;
  position:relative;
  z-index:1;
}
.hero{
  padding:18px 0 10px;
}
.kicker{
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--p2);
  font-family:var(--mono);
}
h1{
  margin:12px 0 8px;
  font-size:42px;
  line-height:1.1;
}
.sub{
  margin:0;
  max-width:70ch;
  color:var(--muted);
  line-height:1.9;
}
@media (max-width:768px){
  h1{font-size:32px}
}

.grid{
  display:grid;
  grid-template-columns: 1.4fr .6fr;
  gap:18px;
  align-items:start;
  margin-top:18px;
}
@media (max-width:960px){
  .grid{grid-template-columns:1fr}
}

.card{
  background:rgba(17,24,39,.72);
  border:1px solid var(--border);
  border-radius:var(--r);
  padding:18px;
}
.meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  color:var(--dim);
  font-size:13px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.06);
  color:var(--muted);
  font-size:12px;
}
.toc a{display:block;color:var(--muted);padding:6px 8px;border-radius:10px}
.toc a:hover{background:rgba(255,255,255,.06);color:var(--text);text-decoration:none}
.toc .title{font-weight:800;margin:0 0 8px;color:var(--text)}

.prose{
  line-height:1.95;
  color:var(--text);
  font-size:16px;
}
.prose h2{margin:22px 0 10px;font-size:22px}
.prose h3{margin:18px 0 8px;font-size:18px;color:var(--text)}
.prose p{margin:10px 0;color:var(--text)}
.prose ul{margin:8px 0 12px;padding:0 18px;color:var(--text)}
.prose li{margin:6px 0}
.prose code{
  font-family:var(--mono);
  background:rgba(255,255,255,.06);
  padding:.15em .45em;
  border-radius:8px;
  font-size:.95em;
}
.prose pre{
  margin:12px 0;
  padding:14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.07);
  background:rgba(0,0,0,.28);
  overflow:auto;
}
.prose pre code{background:transparent;padding:0}
.callout{
  border-left:3px solid var(--p2);
  background:rgba(6,182,212,.08);
  padding:12px 14px;
  border-radius:14px;
  margin:14px 0;
  color:var(--muted);
}
.cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:12px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.06);
  color:var(--text);
  font-weight:800;
}
.btn.primary{
  border-color:rgba(79,70,229,.35);
  background:linear-gradient(90deg, rgba(79,70,229,.34), rgba(6,182,212,.22));
}
.btn:hover{text-decoration:none;filter:brightness(1.05)}

.site-footer{
  margin-top:34px;
  padding:18px;
  border-top:1px solid var(--border);
  color:var(--dim);
  font-size:13px;
  text-align:center;
}