:root{--bg:#f7f9fc;--card:#fff;--ink:#1a2332;--mut:#5b6678;--pri:#0a62f5;--pri2:#e8f0ff;--bd:#e3e9f3}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Vazirmatn,Tahoma,sans-serif;background:var(--bg);color:var(--ink);line-height:1.9}
a{color:var(--pri);text-decoration:none}.c{max-width:1120px;margin:auto;padding:0 20px}
header{position:sticky;top:0;z-index:9;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--bd)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav img{height:40px;display:block}.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.nav ul a{color:var(--ink);font-weight:500}.nav ul a:hover,.nav ul a.on{color:var(--pri)}
.btn{display:inline-block;background:var(--pri);color:#fff;padding:10px 24px;border-radius:12px;font-weight:700;border:0;cursor:pointer;font:inherit;box-shadow:0 8px 20px rgba(10,98,245,.22)}
.btn.o{background:#fff;color:var(--pri);border:1px solid var(--pri);box-shadow:none}
.hero{padding:80px 0 60px;background:radial-gradient(900px 400px at 80% -10%,#dbe8ff,transparent),linear-gradient(#fff,var(--bg));text-align:center}
.hero h1{font-size:clamp(28px,4.5vw,46px);margin:0 0 16px;line-height:1.5}.hero p{max-width:680px;margin:0 auto 28px;color:var(--mut);font-size:18px}
.hero .btn{margin:4px}
section{padding:56px 0}h2{font-size:28px;margin:0 0 8px;text-align:center}.sub{text-align:center;color:var(--mut);margin:0 auto 34px;max-width:640px}
.g{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--bd);border-radius:18px;padding:24px;box-shadow:0 6px 24px rgba(26,35,50,.04)}
.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--mut);font-size:15px}
.ic{width:46px;height:46px;border-radius:14px;background:var(--pri2);display:grid;place-items:center;font-size:22px;margin-bottom:12px}
.plan{text-align:center}.plan.f{border:2px solid var(--pri);transform:translateY(-6px)}
.price{font-size:30px;font-weight:800;color:var(--pri);margin:8px 0}.price small{font-size:13px;color:var(--mut);font-weight:400}
.plan ul{list-style:none;padding:0;margin:14px 0 20px;text-align:right}.plan li{padding:6px 0;border-bottom:1px dashed var(--bd);font-size:15px}
.plan li:before{content:"✓ ";color:var(--pri);font-weight:700}
details{background:#fff;border:1px solid var(--bd);border-radius:14px;padding:14px 18px;margin-bottom:12px}summary{cursor:pointer;font-weight:700}
.page-h{padding:48px 0 24px;text-align:center;background:linear-gradient(#fff,var(--bg))}.page-h h1{margin:0 0 8px;font-size:34px}.page-h p{color:var(--mut);max-width:680px;margin:auto}
.txt{max-width:820px;margin:auto}.txt h2{text-align:right;font-size:22px;margin-top:28px}
form{display:grid;gap:14px;max-width:560px;margin:auto}input,textarea{font:inherit;padding:12px 14px;border:1px solid var(--bd);border-radius:12px;background:#fff;width:100%}
.cta{background:var(--pri);color:#fff;border-radius:22px;padding:40px 20px;text-align:center}.cta h2{color:#fff}.cta .btn{background:#fff;color:var(--pri);box-shadow:none}
footer{background:#fff;border-top:1px solid var(--bd);padding:36px 0;margin-top:40px;color:var(--mut);font-size:14px}
footer .g{grid-template-columns:2fr 1fr 1fr}footer a{display:block;color:var(--mut)}footer h4{color:var(--ink);margin:0 0 8px}
@media(max-width:760px){.nav ul{display:none}footer .g{grid-template-columns:1fr}}