:root{--bg:#f6f9ff;--card:#fff;--ink:#0d1833;--mut:#4d5d7e;--line:#dde6f6;--navy:#00235b;--navy2:#0a3a9c;--blue:#1b63f0;--btn:#00235b;--btnt:#fff;--logo:#00235b;--t1:#e6efff;--t2:#e4f6ef;--t3:#fff1d9;--t4:#efe8ff;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#081020;--card:#0f1b38;--ink:#eaf0ff;--mut:#a3b3d6;--line:#1c2b52;--btn:#2f6bff;--logo:#b5ccff;--t1:#10224a;--t2:#0d2a2a;--t3:#2c2410;--t4:#201a3d}}
:root[data-theme="dark"]{--bg:#081020;--card:#0f1b38;--ink:#eaf0ff;--mut:#a3b3d6;--line:#1c2b52;--btn:#2f6bff;--logo:#b5ccff;--t1:#10224a;--t2:#0d2a2a;--t3:#2c2410;--t4:#201a3d}
html{scroll-behavior:smooth;scroll-padding-top:calc(84px + env(safe-area-inset-top,0px))}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.8 Vazirmatn,Tahoma,sans-serif}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.w{max-width:1120px;margin:auto;padding:0 18px}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:22px}
.logo svg{width:28px;height:28px;fill:var(--logo)}
nav.mn{display:flex;gap:22px;color:var(--mut);font-size:15px}
nav.mn a:hover,nav.mn a[aria-current]{color:var(--blue)}
.pgb{position:fixed;top:0;inset-inline:0;height:3px;z-index:20}
.pgb i{display:block;height:100%;width:0;background:linear-gradient(90deg,#1b63f0,#f5a524)}
.tg{display:inline-block;border-radius:99px;padding:2px 16px;font-size:13px;font-weight:500;color:var(--c);background:color-mix(in srgb,var(--c) 12%,transparent)}
.bh{background:linear-gradient(180deg,var(--t1),var(--bg));text-align:center;padding:58px 0 34px;position:relative;overflow:hidden}
.bh:before{content:"";position:absolute;left:50%;top:-140px;width:520px;height:520px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle,rgba(27,99,240,.2),transparent 65%)}
.bh h1{position:relative;font-size:clamp(30px,5.4vw,52px);margin:12px 0 8px;font-weight:800;line-height:1.5;background:linear-gradient(120deg,var(--logo),#1b63f0 60%,#5aa0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.bh p{position:relative;color:var(--mut);font-size:18px;max-width:560px;margin:0 auto}
.cv{aspect-ratio:16/9;border-radius:26px;overflow:hidden;position:relative;background:linear-gradient(150deg,var(--navy),var(--navy2));display:grid;place-items:center}
.cv:before,.cv:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}
.cv:before{width:70%;aspect-ratio:1;top:-40%;inset-inline-start:-15%}.cv:after{width:45%;aspect-ratio:1;bottom:-30%;inset-inline-end:-8%}
.cv svg{width:34%;max-width:200px;position:relative;z-index:1;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.cv.c2{background:linear-gradient(150deg,#0a3a9c,#1b63f0)}.cv.c3{background:linear-gradient(150deg,#00235b,#0f6f78)}
.fe{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:34px;padding:22px;margin:10px 0 24px}
.fe h2{font-size:clamp(22px,3vw,32px);line-height:1.6;margin:10px 0;font-weight:800}
.fe p,.cd p{color:var(--mut);margin:0 0 14px}
.mt{color:var(--mut);font-size:13px}
.more{color:var(--blue);font-weight:500}
.gr{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.cd{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:16px;display:flex;flex-direction:column;gap:10px;transition:transform .25s,box-shadow .25s}
.cd:hover,.fe:hover{transform:translateY(-4px);box-shadow:0 26px 44px -30px rgba(0,35,91,.5)}
.cd h3{margin:6px 0 0;font-size:19px;line-height:1.7}
.cta{background:linear-gradient(150deg,var(--navy),var(--navy2));color:#fff;border-radius:34px;padding:40px 24px;text-align:center;margin:64px 0 0}
.cta h2{margin:0 0 8px;font-size:clamp(22px,3.4vw,32px)}.cta p{margin:0 0 20px;color:#cfe0ff}
.btn{display:inline-block;border-radius:99px;padding:10px 26px;font:500 15px Vazirmatn,Tahoma;background:#fff;color:var(--navy)}
.bc{font-size:13px;color:var(--mut);padding:22px 0 0}.bc a:hover{color:var(--blue)}
.ah{padding:14px 0 26px;max-width:820px}
.ah h1{font-size:clamp(26px,4.4vw,42px);line-height:1.6;margin:12px 0 10px;font-weight:800}
.lay{display:grid;grid-template-columns:230px minmax(0,1fr);gap:48px;align-items:start;padding:30px 0 20px}
.toc{position:sticky;top:calc(92px + env(safe-area-inset-top,0px));background:var(--card);border:1px solid var(--line);border-radius:22px;padding:16px 18px;font-size:14px}
.toc b{display:block;margin-bottom:6px}.toc a{display:block;color:var(--mut);padding:5px 0;border-top:1px solid var(--line)}.toc a:hover{color:var(--blue)}
.tocm{display:none}
.ct{max-width:720px;font-size:18px;line-height:2.05}
.ct h2{font-size:clamp(22px,3vw,28px);margin:46px 0 10px;line-height:1.6;font-weight:800;padding-inline-start:14px;border-inline-start:4px solid var(--blue)}
.ct p{margin:0 0 16px}
.ct ul,.ct ol{padding-inline-start:22px;margin:0 0 18px}.ct li{margin:6px 0}.ct li::marker{color:var(--blue);font-weight:700}
.sm{background:var(--t1);border-radius:22px;padding:16px 20px;margin:0 0 10px}.sm b{color:var(--blue)}
.co{background:var(--t3);border-radius:22px;padding:16px 20px;margin:22px 0}
details{background:var(--card);border:1px solid var(--line);border-radius:18px;margin-bottom:10px;padding:0 20px}
summary{cursor:pointer;padding:13px 0;font-weight:500;list-style:none}summary::-webkit-details-marker{display:none}
details p{margin:0 0 14px;color:var(--mut);font-size:16px}
.rel{padding:20px 0 10px}.rel h2{font-size:24px;margin:0 0 18px}
footer{background:var(--navy);color:#b9c9ec;padding:34px 0;text-align:center;font-size:14px;margin-top:70px}
footer .logo{justify-content:center;color:#fff}footer .logo svg{fill:#b5ccff}
@media(prefers-reduced-motion:reduce){.cd,.fe{transition:none}}
@media(max-width:860px){nav.mn a.hm{display:none}.lay{grid-template-columns:1fr;gap:10px}.toc{display:none}.tocm{display:block;margin-bottom:6px}.tocm a{display:block;padding:6px 0;color:var(--mut);font-size:15px}.fe{grid-template-columns:1fr;gap:16px}.ct{font-size:17px}}