:root{--primary:#0d6efd;--text:#222;--muted:#666;--bg:#fff;--font-sans:'Vazirmatn','Vazir',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif}
*{box-sizing:border-box}
html{font-size:16px}
html[dir="rtl"] body{direction:rtl}
body{margin:0;font-family:var(--font-sans),-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:inherit;text-decoration:none}
.container{width:min(100%,1120px);margin-inline:auto;padding-inline:16px}
.header,.footer{padding-block:12px;border-bottom:1px solid #eee}
.footer{border-top:1px solid #eee;border-bottom:0;margin-top:32px}
.brand{font-weight:800;font-size:1.25rem;color:var(--primary)}
.nav a{margin-inline:8px;color:#333}
.hero{padding-block:16px}
.grid{display:grid;grid-template-columns:1fr;gap:12px}
.card{border:1px solid #eee;border-radius:10px;padding:16px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.card h2{margin:0 0 6px;font-size:1.1rem}
@media (min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}