:root{
  --bg:#0b1120;
  --card:#111827;
  --accent:#22c55e;
  --accent2:#3b82f6;
  --text:#e5e7eb;
  --muted:#94a3b8;
  --border:#1f2937;
  --shadow:0 12px 30px rgba(0,0,0,.25);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:"Vazirmatn","IRANSans",sans-serif;
  background:linear-gradient(160deg,#0b1120,#0f172a);
  color:var(--text);
}

a{text-decoration:none;color:inherit}
.container{width:min(1200px,92%);margin:auto}

.site-header{
  position:sticky;top:0;z-index:10;
  backdrop-filter:blur(10px);
  background:rgba(15,23,42,.75);
  border-bottom:1px solid var(--border);
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;
}
.logo{margin:0;font-size:22px;font-weight:800}
.nav a{margin:0 10px;color:var(--muted)}
.nav a:hover{color:#fff}

.btn{
  padding:10px 18px;border-radius:10px;
  display:inline-block;font-weight:700;
}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#0b1120}
.btn.outline{border:1px solid var(--accent);color:var(--accent)}
.btn.ghost{border:1px solid var(--border);color:#fff}
.btn.full{width:100%;text-align:center}

.hero{
  padding:60px 0 40px;
}
.hero-grid{
  display:grid;grid-template-columns:1.2fr .8fr;
  gap:30px;align-items:center;
}
.hero-text h2{font-size:36px;margin:0 0 12px}
.hero-text p{color:var(--muted);line-height:1.8}
.hero-actions{margin:20px 0}
.hero-actions .btn{margin-left:10px}

.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:12px;margin-top:20px;
}
.hero-stats div{
  background:var(--card);border:1px solid var(--border);
  padding:12px;border-radius:10px;text-align:center;
}
.hero-stats strong{display:block;font-size:18px}

.hero-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;padding:20px;
  box-shadow:var(--shadow);
}
.hero-card ul{padding:0;list-style:none;margin:15px 0 0}
.hero-card li{margin:6px 0;color:var(--muted)}

.section{padding:60px 0}
.section.alt{background:#0f172a}
.section-title{text-align:center;margin-bottom:30px;font-size:26px}

.feature-grid,.course-grid{
  display:grid;gap:20px;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}
.feature-card,.course-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:12px;padding:18px;box-shadow:var(--shadow);
}
.feature-card h4,.course-card h4{margin:0 0 8px}
.feature-card p,.course-card p{color:var(--muted)}

.contact-box{
  background:var(--card);border:1px solid var(--border);
  border-radius:12px;padding:20px;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;
}

.site-footer{
  text-align:center;color:var(--muted);
  padding:20px;border-top:1px solid var(--border);
  margin-top:40px;
}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .contact-box{flex-direction:column;text-align:center}
}