@font-face{font-family:Vazirmatn;src:url(/assets/Vazirmatn-Variable.woff2) format("woff2");font-weight:100 900;font-display:swap}
:root{--g9:#0e3b2c;--g8:#13543d;--g7:#178a52;--g6:#1ea864;--g5:#25b96f;--g1:#e6f5ec;--g0:#f3faf5;--ink:#16241d;--mu:#5f7068;--ring:#e3ede6;--r:22px}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:84px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{font-family:Vazirmatn,Tahoma,sans-serif;color:var(--ink);background:var(--g0);line-height:1.95;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}
:focus-visible{outline:3px solid var(--g6);outline-offset:3px;border-radius:8px}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.skip{position:absolute;right:12px;top:-60px;background:#fff;padding:8px 16px;border-radius:10px;z-index:99}.skip:focus{top:12px}
header{position:sticky;top:0;z-index:50;background:rgba(243,250,245,.8);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(14,59,44,.06)}
.bar{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;color:var(--g9)}.brand img{width:38px;height:38px}
nav ul{display:flex;gap:30px;list-style:none;font-size:15px;color:var(--mu)}nav a:hover,nav a[aria-current]{color:var(--g7)}nav a[aria-current]{font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--g5),#13894f);color:#fff;font-weight:700;font-size:16px;padding:14px 30px;border-radius:14px;box-shadow:0 14px 26px -12px rgba(30,168,100,.75);transition:transform .15s,box-shadow .15s;border:0;cursor:pointer;font-family:inherit}
.btn:hover{transform:translateY(-2px)}.btn.sm{padding:10px 22px;font-size:15px;box-shadow:none}
.btn.ghost{background:#fff;color:var(--g9);border:1px solid var(--ring);box-shadow:none}
.btn[disabled]{opacity:.6;cursor:wait;transform:none}
h1,h2,h3{line-height:1.5;font-weight:800;color:var(--g9)}
h2{font-size:clamp(22px,2.6vw,28px)}h3{font-size:18px}
/* page hero */
.phero{background:radial-gradient(circle at 85% 0,#d3efdf,transparent 55%),var(--g0);padding:44px 0 34px}
.crumbs{font-size:13.5px;color:var(--mu);margin-bottom:12px}.crumbs a:hover{color:var(--g7)}.crumbs span{margin:0 6px}
.phero h1{font-size:clamp(30px,4vw,44px);line-height:1.55}
.phero p.lead{font-size:18px;color:var(--mu);max-width:720px;margin-top:10px}
.meta{margin-top:14px;font-size:13.5px;color:var(--mu)}
/* content */
.page{padding:24px 0 80px}
.doc{max-width:820px}
.doc section{margin-top:40px}.doc section:first-child{margin-top:0}
.doc h2{margin-bottom:10px}.doc h3{margin:22px 0 4px}
.doc p{color:#2b3d34;margin-top:10px}
.doc ul,.doc ol{margin:10px 22px 0 0;color:#2b3d34}.doc li{margin-top:6px}.doc li::marker{color:var(--g6)}
.doc a.in{color:var(--g7);font-weight:700;border-bottom:1px solid rgba(23,138,82,.35)}.doc a.in:hover{border-bottom-color:var(--g7)}
.toc{background:#fff;border:1px solid var(--ring);border-radius:18px;padding:18px 24px;margin-bottom:34px}
.toc b{color:var(--g9)}.toc ol{margin:8px 22px 0 0;columns:2;column-gap:32px;font-size:15px}.toc a:hover{color:var(--g7)}
.card{background:#fff;border:1px solid var(--ring);border-radius:var(--r);padding:26px 28px;box-shadow:0 24px 44px -34px rgba(14,59,44,.35)}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:16px}
.grid2 .card,.grid3 .card{padding:22px}.grid2 h3,.grid3 h3{margin:0 0 4px}.grid2 p,.grid3 p{margin-top:2px;font-size:15px;color:var(--mu)}
.note{background:var(--g1);border:1px solid #c9e8d5;border-radius:16px;padding:14px 18px;margin-top:16px;font-size:15px;color:var(--g8)}
/* faq */
.fgroup{margin-top:38px}.fgroup:first-of-type{margin-top:8px}.fgroup h2{margin-bottom:14px}
details{background:#fff;border:1px solid var(--ring);border-radius:16px;margin-bottom:12px;padding:4px 22px}
summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px;color:var(--g9)}
summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--g6);font-size:24px;line-height:1.3}details[open] summary:after{content:"–"}
details p{color:var(--mu);padding:0 0 18px;font-size:15.5px}
/* contact */
.cgrid{display:grid;grid-template-columns:1fr 1.25fr;gap:28px;align-items:start}
.ch{display:flex;gap:14px;align-items:center;padding:18px 20px;border:1px solid var(--ring);border-radius:18px;background:#fff;margin-top:14px}
.ch img{width:44px;height:44px;border-radius:12px}.ch b{display:block;color:var(--g9)}.ch small{color:var(--mu);font-size:13.5px;line-height:1.7;display:block}
form.cf label{display:block;font-weight:700;font-size:14.5px;color:var(--g9);margin-top:16px}
form.cf label:first-of-type{margin-top:0}
form.cf input,form.cf select,form.cf textarea{width:100%;margin-top:6px;padding:12px 14px;font:inherit;font-size:15.5px;color:var(--ink);background:#fff;border:1px solid #cfe0d5;border-radius:12px;line-height:1.8}
form.cf textarea{min-height:150px;resize:vertical}
form.cf input:focus,form.cf select:focus,form.cf textarea:focus{outline:3px solid rgba(30,168,100,.25);border-color:var(--g6)}
form.cf .hint{font-size:13px;color:var(--mu);margin-top:4px}
form.cf .hp{position:absolute;right:-9999px;width:1px;height:1px;overflow:hidden}
.fmsg{margin-top:16px;padding:13px 16px;border-radius:12px;font-size:15px;display:none}
.fmsg.ok{display:block;background:var(--g1);border:1px solid #c9e8d5;color:var(--g8)}
.fmsg.err{display:block;background:#fff1f0;border:1px solid #f3c9c4;color:#8a2a20}
/* cta + footer */
.cta2{margin-top:44px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:30px 34px;background:#d9f7e3;border-radius:28px}
.cta2 h2{font-size:clamp(20px,2.4vw,26px)}.cta2 p{color:var(--mu);margin-top:2px}
footer{padding:50px 0 40px;color:var(--mu);font-size:14px}
.ft{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}.ft ul{display:flex;gap:10px 22px;list-style:none;flex-wrap:wrap;max-width:620px}
.ft a:hover{color:var(--g7)}
@media(max-width:960px){nav ul{display:none}.cgrid,.grid2,.grid3{grid-template-columns:1fr}.toc ol{columns:1}}
@media(max-width:520px){.wrap{padding:0 18px}.phero{padding-top:28px}.card{padding:20px}}