:root{--blue:#0a6cff;--blue2:#0b3aa8;--navy:#0b1f4b;--bg:#fff;--alt:#f3f7ff;--text:#1d2a44;--muted:#5a6882;--line:#e0e8f6;--r:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Vazirmatn,Tahoma,sans-serif;color:var(--text);background:var(--bg);line-height:1.95;font-size:16px}
img,svg{max-width:100%}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{color:var(--navy);line-height:1.5;margin:0 0 .6em}h1{font-size:clamp(1.7rem,4vw,2.7rem);font-weight:800}h2{font-size:clamp(1.3rem,2.6vw,1.9rem);font-weight:800}h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 1em}ul,ol{padding-inline-start:1.2em}
.container{width:min(1160px,92%);margin-inline:auto}.narrow{width:min(860px,92%)}.center{text-align:center}.muted{color:var(--muted)}
.skip{position:absolute;right:-999px}.skip:focus{right:10px;top:10px;background:#fff;padding:8px;z-index:99}
.btn{display:inline-block;background:var(--blue);color:#fff!important;padding:.7em 1.5em;border-radius:999px;font-weight:700;border:2px solid var(--blue);cursor:pointer;font-family:inherit;font-size:1rem;transition:.2s}
.btn:hover{background:var(--blue2);border-color:var(--blue2);text-decoration:none;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--blue)!important}.btn-outline:hover{color:#fff!important}
.btn-light{background:#fff;color:var(--navy)!important;border-color:#fff}.btn-light:hover{background:#e8f0ff;border-color:#e8f0ff}
.btn-ghost{background:transparent;border-color:#fff}.btn-ghost:hover{background:#fff;color:var(--navy)!important;border-color:#fff}
.btn-sm{padding:.45em 1.1em;font-size:.92rem}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy)}.brand:hover{text-decoration:none}
.brand span{display:flex;flex-direction:column;line-height:1.2}.brand b{font-size:1.2rem;font-weight:800}.brand small{letter-spacing:.35em;font-size:.62rem;color:var(--blue);font-weight:700}
.brand.light{color:#fff}.brand.light small{color:#8db8ff}
.main-nav{margin-inline-start:auto}.main-nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0}
.main-nav a{color:var(--navy);padding:.5em .85em;border-radius:10px;font-weight:500;display:block;font-size:.97rem}
.main-nav a:hover,.main-nav a.active{background:var(--alt);color:var(--blue);text-decoration:none}
.has-sub{position:relative}.main-nav .sub{display:none;position:absolute;top:100%;right:0;min-width:260px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 40px rgba(11,31,75,.12);padding:8px!important;flex-direction:column;gap:0!important}
@media(hover:hover) and (min-width:961px){.main-nav .has-sub:hover>.sub,.main-nav .has-sub:focus-within>.sub{display:flex}}
.main-nav .has-sub.open>.sub{display:flex}
.nav-toggle{display:none;margin-inline-start:auto;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--navy);margin:5px 0;border-radius:2px}
/* hero */
.hero{background:linear-gradient(135deg,#f3f8ff 0%,#e5efff 100%);overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;padding:70px 0}
.pill{display:inline-block;background:#dbe8ff;color:var(--blue2);padding:.2em 1em;border-radius:999px;font-size:.88rem;font-weight:700;margin-bottom:14px}
.hero p{font-size:1.08rem;color:var(--muted)}.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.hero-tel{font-size:.95rem!important}
.hero-art{position:relative;display:grid;place-items:center;min-height:300px}
.orb{position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#6fb0ff,#0a6cff 60%,#0b3aa8);opacity:.14;filter:blur(2px)}
.bigA{position:relative;filter:drop-shadow(0 20px 30px rgba(10,108,255,.3))}
.page-hero{background:linear-gradient(135deg,var(--navy),var(--blue2) 70%,var(--blue));color:#fff;padding:56px 0;text-align:center}
.page-hero h1{color:#fff;margin-bottom:.4em}.page-hero p{margin:0 auto 1em;max-width:720px;opacity:.92;font-size:1.08rem}.page-hero .pill{background:rgba(255,255,255,.18);color:#fff}
.meta-l{font-size:.92rem!important}
.crumbs{padding:14px 0;font-size:.9rem;color:var(--muted)}.crumbs a{color:var(--muted)}
/* sections */
.section{padding:64px 0}.section.alt{background:var(--alt)}
.sec-head{text-align:center;margin-bottom:34px}.sec-head p{color:var(--muted);max-width:680px;margin-inline:auto}
.grid{display:grid;gap:22px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;color:var(--text);transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(10,108,255,.14);border-color:#b8d3ff;text-decoration:none}
.card h2,.card h3{font-size:1.18rem}.card p{color:var(--muted);font-size:.97rem}
.ic{display:grid;place-items:center;width:54px;height:54px;border-radius:14px;background:var(--alt);font-size:1.6rem;margin-bottom:14px}
.more{color:var(--blue);font-weight:700;font-size:.93rem}.tag{display:inline-block;background:var(--alt);color:var(--blue2);font-size:.8rem;padding:.1em .8em;border-radius:999px;margin-bottom:10px;font-weight:700}
.meta{display:block;font-size:.82rem;color:var(--muted);margin-bottom:8px}
.why{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;border-top:4px solid var(--blue)}.why p{margin:0;color:var(--muted);font-size:.96rem}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}.steps.s5{grid-template-columns:repeat(5,1fr)}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;position:relative}.steps p{margin:0;color:var(--muted);font-size:.93rem}
.n{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;margin-bottom:12px}
.split{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:start}.post-layout{grid-template-columns:2.2fr 1fr}
.chips{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:10px}.chips li,.chips a{background:#fff;border:1px solid #c9dcff;border-radius:999px;padding:.35em 1.1em;font-weight:500;color:var(--navy);display:inline-block}.chips a:hover{background:var(--blue);color:#fff;text-decoration:none}
.prose{font-size:1.04rem}.prose h2{margin-top:1.4em}.prose .lead{font-size:1.12rem;color:var(--muted)}
.box{background:var(--alt);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:20px}.box h3{margin-bottom:.5em}.box ul,.box ol{margin:0;padding-inline-start:1.2em}.box li{margin-bottom:.4em}
.box.note{background:#eaf2ff;border-color:#b8d3ff;margin-top:30px}
.ticks{list-style:none;padding:0!important}.ticks li{padding-inline-start:28px;position:relative}.ticks li::before{content:"✓";position:absolute;inset-inline-start:0;color:var(--blue);font-weight:800}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:0 20px}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:16px 0;list-style:none;position:relative;padding-inline-end:30px}
.faq summary::after{content:"+";position:absolute;inset-inline-end:0;font-size:1.4rem;color:var(--blue)}.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--muted);padding-bottom:6px}
.cta{background:linear-gradient(135deg,var(--navy),var(--blue2));color:#fff;padding:54px 0}
.cta-in{display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}.cta h2{color:#fff;margin-bottom:.3em}.cta p{margin:0;opacity:.9}.cta-btns{display:flex;gap:10px;flex-wrap:wrap}
.contact-cards{display:grid;gap:14px;margin-bottom:20px}
.cc{display:flex;align-items:center;gap:14px;background:var(--alt);border:1px solid var(--line);border-radius:14px;padding:16px;color:var(--navy)}.cc:hover{text-decoration:none;border-color:var(--blue)}.cc span{font-size:1.6rem}.cc small{display:block;color:var(--muted)}.cc b{font-size:1.1rem}
.form{display:grid;gap:14px}.form label{display:grid;gap:6px;font-weight:500}
.form input,.form select,.form textarea{font:inherit;padding:.7em 1em;border:1px solid #c9d6ec;border-radius:12px;background:#fff;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--blue);border-color:transparent}.form-note{margin:0;font-size:.93rem;color:var(--blue2)}
/* footer */
.site-footer{background:#07142f;color:#c7d3ea;padding-top:54px}.site-footer a{color:#c7d3ea}.site-footer h3{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px}.site-footer ul{list-style:none;padding:0;margin:0}.site-footer li{margin-bottom:.5em;font-size:.95rem}
.copy{border-top:1px solid #1b2c52;margin-top:36px;padding:18px 0;font-size:.88rem;text-align:center}
.fab{position:fixed;left:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:var(--blue);display:grid;place-items:center;font-size:1.4rem;box-shadow:0 10px 24px rgba(10,108,255,.4);z-index:40}
.fab:hover{text-decoration:none;background:var(--blue2)}
@media(max-width:960px){
.g3,.g4{grid-template-columns:repeat(2,1fr)}.steps,.steps.s5{grid-template-columns:repeat(2,1fr)}.split,.post-layout{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}
.hero-in{grid-template-columns:1fr;padding:44px 0}.hero-art{display:none}.hide-m{display:none}
.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:72px;right:0;left:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 4%;max-height:80vh;overflow:auto}
.main-nav.open{display:block}.main-nav ul{flex-direction:column}.main-nav .sub{display:none;position:static;box-shadow:none;border:0;padding:0 14px 0 0!important;min-width:0}.main-nav .has-sub.open>.sub{display:flex}
}
@media(max-width:600px){.g2,.g3,.g4,.steps,.steps.s5,.foot-grid{grid-template-columns:1fr}.section{padding:44px 0}}