:root{color-scheme:dark light;--bg:#0b0b10;--card:#14141c;--line:#262633;--fg:#f2f2f6;--mut:#a0a0b0;--acc:#8fd6ff;--acc2:#a58bff}
@media (prefers-color-scheme:light){:root{--bg:#f7f7fa;--card:#fff;--line:#e3e3ec;--fg:#15151c;--mut:#5d5d6c;--acc:#0a78b8;--acc2:#6a4fe0}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 system-ui,-apple-system,"Segoe UI","Vazirmatn","Geeza Pro",sans-serif;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:-20% -10% auto -10%;height:70vh;background:radial-gradient(60% 60% at 50% 0%,rgba(143,108,255,.18),transparent 70%);pointer-events:none;z-index:-1}
a{color:var(--acc)}a:hover{color:var(--acc2)}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header.top{display:flex;align-items:center;gap:12px;padding:20px 0}
header.top a.brand{display:flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;font-weight:700;font-size:1.1rem}
header.top img{width:34px;height:34px;border-radius:9px}
header.top nav{margin-inline-start:auto;display:flex;gap:6px;align-items:center}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang button{all:unset;cursor:pointer;padding:4px 12px;font-size:.85rem;color:var(--mut)}
.lang button[aria-pressed=true]{background:var(--card);color:var(--fg)}
.lang button:focus-visible{outline:2px solid var(--acc);outline-offset:-2px}
h1{font-size:clamp(1.9rem,6vw,2.8rem);line-height:1.2;margin:.2em 0 .3em;letter-spacing:-.02em}
h2{font-size:1.25rem;margin:2.2em 0 .4em}
h3{font-size:1.02rem;margin:1.4em 0 .2em}
p,li{color:var(--fg)}
.mut{color:var(--mut)}
ul{padding-inline-start:1.3em}li{margin:.25em 0}
.hero{text-align:center;padding:36px 0 18px}
.hero img{width:132px;height:132px;border-radius:30px;box-shadow:0 18px 60px rgba(120,90,255,.35)}
.hero p.lead{font-size:1.15rem;color:var(--mut);max-width:34em;margin:.4em auto}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:18px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px}
.card h3{margin:.1em 0 .3em}.card p{margin:0;color:var(--mut);font-size:.95rem}
.note{border:1px solid var(--line);background:var(--card);border-radius:14px;padding:12px 16px;margin:16px 0}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:.95rem}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:start;vertical-align:top}th{background:var(--card)}
footer{border-top:1px solid var(--line);margin-top:56px;padding:24px 0 40px;color:var(--mut);font-size:.9rem;display:flex;flex-wrap:wrap;gap:6px 18px}
footer a{color:var(--mut)}footer .sp{flex:1}
[data-lang=en] [lang=fa],[data-lang=fa] [lang=en]{display:none}
noscript style{display:none}