@font-face { font-family: "Vazirmatn"; font-weight: 400; font-display: swap; src: url("/assets/fonts/vaz-400.woff2") format("woff2"); }
@font-face { font-family: "Vazirmatn"; font-weight: 600; font-display: swap; src: url("/assets/fonts/vaz-600.woff2") format("woff2"); }
@font-face { font-family: "Vazirmatn"; font-weight: 700; font-display: swap; src: url("/assets/fonts/vaz-700.woff2") format("woff2"); }
@font-face { font-family: "Vazirmatn"; font-weight: 800; font-display: swap; src: url("/assets/fonts/vaz-800.woff2") format("woff2"); }
:root {
  --accent: #4aa8ff; --accent-2: #2a93f0;
  --accent-grad: linear-gradient(135deg, #5cb3ff, #2a8ae6);
  --accent-soft: rgba(74,168,255,.14); --accent-glow: rgba(74,168,255,.28);
  --bg: #0a1420; --panel: rgba(255,255,255,.05); --brd: rgba(255,255,255,.10);
  --brd2: rgba(74,168,255,.36); --text: #e7eef7; --text2: #a0b3c5; --text3: #6c8295; --maxw: 880px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "Vazirmatn","Segoe UI",Tahoma,sans-serif; color: var(--text);
  background: radial-gradient(1100px 600px at 88% -14%, rgba(74,168,255,.16), transparent 56%), radial-gradient(900px 520px at -8% 112%, rgba(42,147,240,.10), transparent 55%), var(--bg);
  line-height: 2; font-size: 16px; min-height: 100vh; }
a { color: var(--accent); text-decoration: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
header.site { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(20px); background: rgba(10,20,32,.72); border-bottom: 1px solid var(--brd); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--text); }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 12px; font-family: inherit; font-weight: 700; font-size: 14.5px; border: 1px solid var(--brd); cursor: pointer; color: var(--text); }
.btn-primary { background: var(--accent-grad); color: #fff; border-color: transparent; box-shadow: 0 10px 26px var(--accent-glow); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-lg { padding: 15px 28px; font-size: 16.5px; border-radius: 14px; }
.crumb { font-size: 13px; color: var(--text3); margin: 22px 0 6px; }
.crumb a { color: var(--text2); }
article { padding-bottom: 60px; }
h1 { font-size: clamp(26px,5vw,40px); font-weight: 800; line-height: 1.35; margin: 6px 0 14px; }
h1 .grad { background: linear-gradient(120deg,var(--accent),var(--accent-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.lede { font-size: 18px; color: var(--text2); margin-bottom: 22px; }
h2 { font-size: clamp(21px,3.5vw,27px); font-weight: 800; margin: 38px 0 14px; }
h3 { font-size: 18px; font-weight: 700; margin: 22px 0 10px; }
p { color: var(--text2); margin: 12px 0; }
strong { color: var(--text); font-weight: 700; }
.k { display: inline-block; font-weight: 700; color: var(--accent-2); background: var(--accent-soft); border: 1px solid var(--brd2); border-radius: 7px; padding: 0 7px; direction: ltr; }
ul, ol { margin: 12px 28px; color: var(--text2); } li { margin: 7px 0; }
.dlbox { text-align: center; background: var(--panel); border: 1px solid var(--brd2); border-radius: 18px; padding: 28px 22px; margin: 24px 0; }
.dlbox .meta { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: center; color: var(--text3); font-size: 13.5px; margin-top: 14px; }
.toc { background: var(--panel); border: 1px solid var(--brd); border-radius: 14px; padding: 18px 22px; margin: 22px 0; }
.toc b { display: block; margin-bottom: 8px; color: var(--text); }
.toc a { display: block; padding: 4px 0; color: var(--text2); font-size: 14.5px; } .toc a:hover { color: var(--accent); }
.step { display: flex; gap: 14px; background: var(--panel); border: 1px solid var(--brd); border-radius: 16px; padding: 16px; margin: 16px 0; }
.step .n { flex: none; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font-weight: 800; color: #fff; background: var(--accent-grad); box-shadow: 0 6px 16px var(--accent-glow); }
.step h3 { margin: 2px 0 6px; }
table.v { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14.5px; }
table.v th, table.v td { border: 1px solid var(--brd); padding: 10px 12px; text-align: right; }
table.v th { background: var(--panel); color: var(--text); font-weight: 700; } table.v td { color: var(--text2); }
.note { display: flex; gap: 10px; background: var(--accent-soft); border: 1px solid var(--brd2); border-radius: 13px; padding: 14px 16px; margin: 18px 0; font-size: 14.5px; color: var(--text2); }
.note svg { flex: none; margin-top: 3px; color: var(--accent); }
details.faq { background: var(--panel); border: 1px solid var(--brd); border-radius: 12px; margin: 10px 0; }
details.faq summary { cursor: pointer; padding: 15px 18px; font-weight: 700; list-style: none; } details.faq summary::-webkit-details-marker { display: none; }
details.faq .a { padding: 0 18px 16px; color: var(--text2); font-size: 14.5px; }
.related { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.related a { background: var(--panel); border: 1px solid var(--brd); border-radius: 11px; padding: 9px 15px; color: var(--text2); font-size: 14px; font-weight: 600; }
.related a:hover { border-color: var(--brd2); color: var(--accent); }
footer.site { border-top: 1px solid var(--brd); padding: 26px 0; color: var(--text3); font-size: 13.5px; } footer.site a { color: var(--text2); }