@font-face{font-family:"Vazirmatn";src:url("fonts/Vazirmatn-var.woff2") format("woff2");font-weight:100 900;font-display:swap}
:root{--ink:#1B2836;--ink2:#33465A;--muted:#607389;--line:#E2E8EF;--bg:#fff;--soft:#F4F7FA;--navy:#1D3A5C;--teal:#0B7F8A;--teal2:#0FA3B1;--tint:#E6F6F7;--amber:#F5A524;--amber-soft:#FFF4DE;--r:14px;--sh:0 1px 2px rgba(16,32,48,.04),0 8px 24px rgba(16,32,48,.06)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Vazirmatn",Tahoma,sans-serif;color:var(--ink);background:var(--bg);font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;line-height:1.45}p{margin:0}a{color:inherit;text-decoration:none}img,svg{display:block}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
.brand img{height:34px;width:auto}
.nav{display:flex;gap:26px;font-size:15px;color:var(--ink2)}
.nav a:hover{color:var(--teal)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border-radius:10px;font:inherit;font-weight:600;font-size:15.5px;border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,box-shadow .2s;white-space:nowrap}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px}
.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:#086a73;box-shadow:0 6px 18px rgba(11,127,138,.25)}
.btn-line{border-color:var(--line);background:#fff;color:var(--ink)}.btn-line:hover{border-color:var(--teal);color:var(--teal)}
.soon{font-size:12px;font-weight:600;color:var(--navy);background:var(--amber-soft);border:1px solid #F7D9A0;padding:2px 10px;border-radius:999px}

/* hero */
.hero{padding:76px 0 64px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff 0%,#fff 60%,var(--soft) 100%)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--navy);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:22px}
.eyebrow i{width:7px;height:7px;background:var(--amber);transform:rotate(45deg);display:inline-block}
.hero h1{font-size:46px;font-weight:800;letter-spacing:-.3px;color:var(--navy)}
.hero h1 span{color:var(--teal)}
.lead{margin-top:18px;font-size:18.5px;color:var(--ink2);max-width:600px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;font-size:14px;color:var(--muted)}
.trust b{color:var(--ink);font-weight:600}

/* paper mock */
.paper{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px rgba(29,58,92,.12);padding:28px 30px;position:relative}
.paper::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;border-radius:16px 16px 0 0;background:linear-gradient(90deg,var(--navy),var(--teal))}
.paper .ph{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:14px}
.paper h3{font-size:19px;text-align:center;color:var(--navy);margin-bottom:16px}
.paper dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px;margin:0 0 14px}
.paper dt{color:var(--muted)}.paper dd{margin:0;color:var(--ink)}
.paper .ln{height:9px;border-radius:5px;background:var(--soft);margin:9px 0}
.paper .ln.s{width:72%}.paper .ln.m{width:88%}
.cite{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:12.5px;color:var(--teal);background:var(--tint);border-radius:8px;padding:4px 10px}
.stamp{position:absolute;left:22px;bottom:20px;font-size:11.5px;color:var(--navy);border:1.5px dashed var(--navy);border-radius:8px;padding:4px 10px;opacity:.75}

/* sections */
section{padding:80px 0}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:32px;font-weight:800;color:var(--navy)}
.sec-head p{margin-top:10px;font-size:17px;color:var(--ink2)}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh)}
.card h3{font-size:18px;color:var(--navy);margin:14px 0 6px}
.card p{font-size:15px;color:var(--ink2)}
.ico{width:44px;height:44px;border-radius:12px;background:var(--tint);display:grid;place-items:center;color:var(--teal)}
.ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tags span{font-size:12.5px;color:var(--ink2);background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:2px 10px}
.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* steps */
.steps{counter-reset:s}
.step{position:relative;padding-top:56px}
.step::before{counter-increment:s;content:counter(s,persian);position:absolute;top:0;right:0;width:40px;height:40px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700}
.step h3{font-size:18px;color:var(--navy);margin-bottom:6px}.step p{font-size:15px;color:var(--ink2)}

/* security */
.sec-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.sec-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--ink2)}
.sec-list li b{color:var(--ink)}
.chk{flex:none;width:24px;height:24px;border-radius:7px;background:var(--tint);color:var(--teal);display:grid;place-items:center;margin-top:3px}
.chk svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

/* note */
.note{display:flex;gap:14px;align-items:flex-start;background:var(--amber-soft);border:1px solid #F7D9A0;border-radius:var(--r);padding:18px 20px;font-size:15px;color:var(--ink2)}
.note b{color:var(--ink)}

/* faq */
.faq details{border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 20px;margin-bottom:10px}
.faq summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:600;color:var(--navy);display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--teal);font-weight:700}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 18px;font-size:15px;color:var(--ink2)}

/* footer */
.foot{border-top:1px solid var(--line);padding:40px 0 28px;font-size:14px;color:var(--muted)}
.foot .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.foot h4{margin:0 0 10px;font-size:14.5px;color:var(--ink)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot a:hover{color:var(--teal)}
.legal{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.air{display:inline-flex;align-items:center;gap:8px;color:var(--muted)}.air img{height:22px}

@media (max-width:980px){
  .hero .wrap{grid-template-columns:1fr;gap:36px}.hero h1{font-size:36px}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}.nav{display:none}
  .foot .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .wrap{padding:0 18px}.hero{padding:44px 0 40px}.hero h1{font-size:29px}.lead{font-size:16.5px}
  section{padding:56px 0}.sec-head h2{font-size:25px}
  .g3,.g4,.g2{grid-template-columns:1fr}.btn{width:100%}.top .btn{width:auto}
  .foot .wrap{grid-template-columns:1fr}.brand img{height:30px}
  .paper{padding:22px 20px}
}