:root{
  --ink:#0c2238;
  --ink-2:#193b5a;
  --muted:#61758a;
  --muted-2:#8b9bab;
  --line:#dce5ed;
  --line-strong:#c8d5e1;
  --surface:#f6f9fc;
  --surface-blue:#eef5fb;
  --accent:#0874d8;
  --accent-dark:#055da9;
  --white:#fff;
  --shadow:0 24px 60px rgba(20,53,83,.10);
  --radius:12px;
  --container:1180px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Vazirmatn",Tahoma,Arial,sans-serif;background:#fff;color:var(--ink);font-size:16px;line-height:1.9;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
img{display:block;max-width:100%}
button{cursor:pointer}
.container{width:min(calc(100% - 48px),var(--container));margin-inline:auto}
.section{padding:104px 0}
.kicker{margin:0 0 14px;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.14em;direction:ltr;text-align:right}
.section-title h2,.feature-header h2,.gallery-heading h2,.docs-heading h2{margin:0;font-size:clamp(30px,3.1vw,46px);line-height:1.42;letter-spacing:-.035em;font-weight:800}
.section-note{margin:18px 0 0;color:var(--muted);font-size:15px;max-width:430px}
.prose{font-size:17px;color:var(--ink-2);max-width:670px}
.prose p{margin:0 0 18px}
.prose strong{color:var(--ink);font-weight:700}
.prose.compact{font-size:16px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(220,229,237,.9);backdrop-filter:blur(16px);transition:box-shadow .35s ease,background .35s ease}
.site-header.scrolled{box-shadow:0 8px 28px rgba(17,48,76,.06)}
.nav-row{height:76px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:34px}
.brand{display:flex;align-items:center;width:104px;height:56px;overflow:hidden}
.brand img{width:100%;height:auto;transform:scale(1.08)}
.desktop-nav{display:flex;align-items:center;justify-content:center;gap:28px;color:#38556d;font-size:13px;font-weight:600}
.desktop-nav a{position:relative;padding:26px 0}
.desktop-nav a::after{content:"";position:absolute;right:0;bottom:17px;width:0;height:1px;background:var(--accent);transition:width .35s var(--ease)}
.desktop-nav a:hover::after{width:100%}
.header-cta{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;border-radius:7px;background:var(--accent);color:#fff;font-size:13px;font-weight:700;transition:transform .3s var(--ease),background .3s ease}
.header-cta:hover{background:var(--accent-dark);transform:translateY(-1px)}
.menu-toggle{display:none;border:0;background:none;padding:8px}
.menu-toggle span{display:block;width:22px;height:1px;background:var(--ink);margin:5px 0;transition:.3s ease}
.mobile-nav{display:none}

/* Hero */
.hero{padding:84px 0 0;background:#fff;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.04fr);gap:72px;align-items:center;min-height:600px}
.hero-copy{padding-bottom:18px}
.hero h1{margin:0 0 24px;font-size:clamp(48px,5.8vw,74px);line-height:1.22;letter-spacing:-.048em;font-weight:800;color:var(--ink)}
.hero-lead{margin:0;max-width:590px;color:#405a70;font-size:18px;line-height:2}
.hero-actions{display:flex;gap:12px;margin-top:32px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 21px;border-radius:7px;border:1px solid transparent;font-size:14px;font-weight:700;transition:all .3s var(--ease)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 24px rgba(8,116,216,.18)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 14px 32px rgba(8,116,216,.22)}
.btn-secondary{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-secondary:hover{border-color:#9eb4c7;transform:translateY(-2px)}
.hero-points{display:flex;flex-wrap:wrap;gap:0;margin:28px 0 0;padding:0;list-style:none;color:var(--muted);font-size:13px}
.hero-points li{position:relative;padding:0 0 0 22px;margin-left:22px}
.hero-points li::after{content:"";position:absolute;left:0;top:50%;width:1px;height:12px;background:var(--line-strong);transform:translateY(-50%)}
.hero-points li:last-child::after{display:none}
.hero-visual{position:relative}
.hero-image-wrap{position:relative;aspect-ratio:1.55/1;overflow:hidden;border-radius:var(--radius);background:#edf4fa;box-shadow:var(--shadow)}
.hero-image-wrap::after{content:"";position:absolute;inset:0;border:1px solid rgba(155,178,198,.28);border-radius:inherit;pointer-events:none}
.hero-image-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.hero-image-wrap:hover img{transform:scale(1.018)}
.hero-specs{display:grid;grid-template-columns:repeat(3,1fr);margin-top:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero-specs span{padding:16px 18px;border-left:1px solid var(--line)}
.hero-specs span:last-child{border-left:0}
.hero-specs b{display:block;font-size:13px;direction:ltr;text-align:right;color:var(--ink)}
.hero-specs small{display:block;margin-top:4px;color:var(--muted);font-size:11px}
.hero-rule{height:1px;background:var(--line);margin-top:72px}

/* Intro */
.split-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:96px;align-items:start}
.intro{background:#fff}

/* Features */
.feature-section{background:var(--surface)}
.feature-header{display:grid;grid-template-columns:1fr 420px;gap:72px;align-items:end;padding-bottom:40px;border-bottom:1px solid var(--line)}
.feature-header>p{margin:0;color:var(--muted);font-size:15px}
.feature-list{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}
.feature-item{display:grid;grid-template-columns:46px 1fr;gap:20px;padding:38px 34px 38px 0;border-bottom:1px solid var(--line);min-height:190px}
.feature-item:nth-child(odd){border-left:1px solid var(--line);padding-left:42px}
.feature-item:nth-last-child(-n+2){border-bottom:0}
.feature-no{font-size:12px;font-weight:800;color:var(--accent);padding-top:4px}
.feature-item h3{margin:0 0 10px;font-size:20px;line-height:1.55}
.feature-item p{margin:0;color:#536b80;font-size:15px;line-height:2}

/* Gallery */
.gallery-section{background:#fff}
.gallery-heading,.docs-heading{display:grid;grid-template-columns:1fr 430px;gap:72px;align-items:end;margin-bottom:42px}
.gallery-heading>p,.docs-heading>p{margin:0;color:var(--muted);font-size:15px}
.gallery-shell{display:grid;grid-template-columns:minmax(0,1fr) 132px;gap:16px;direction:ltr}
.gallery-stage{border:0;padding:0;background:none;aspect-ratio:1.63/1;border-radius:10px;overflow:hidden;position:relative}
.gallery-stage img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.gallery-stage:hover img{transform:scale(1.018)}
.gallery-thumbs{display:grid;grid-template-rows:repeat(4,1fr);gap:10px}
.gallery-thumb{border:1px solid transparent;padding:0;background:#f5f7f9;border-radius:8px;overflow:hidden;opacity:.75;transition:opacity .25s ease,border-color .25s ease,transform .25s var(--ease)}
.gallery-thumb img{width:100%;height:100%;object-fit:cover}
.gallery-thumb:hover,.gallery-thumb.is-active{opacity:1;border-color:#b7c9d9;transform:translateX(2px)}

/* Specs */
.specs-section{background:var(--surface-blue);border-top:1px solid #e0ebf3;border-bottom:1px solid #e0ebf3}
.specs-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px;align-items:start}
.spec-table{border-top:1px solid var(--line-strong)}
.spec-row{display:grid;grid-template-columns:180px 1fr;gap:28px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line-strong)}
.spec-row span{font-size:13px;color:var(--muted)}
.spec-row strong{font-size:15px;font-weight:700;color:var(--ink);text-align:left}

/* Docs */
.documents{background:#fff}
.docs-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.doc-item{display:flex;align-items:center;gap:18px;padding:30px 26px;border-left:1px solid var(--line)}
.doc-item:last-child{border-left:0}
.doc-item>span{display:inline-flex;align-items:center;justify-content:center;min-width:58px;height:46px;font-weight:800;font-size:17px;color:var(--accent);letter-spacing:-.03em}
.doc-item p{margin:0}
.doc-item strong{display:block;font-size:14px;color:var(--ink);direction:ltr;text-align:right}
.doc-item small{display:block;margin-top:3px;font-size:11px;color:var(--muted)}

/* Buying */
.buying-section{background:var(--surface);padding-block:112px}
.buying-grid{display:grid;grid-template-columns:1fr .82fr;gap:92px;align-items:center}
.buying-copy h2{margin:0 0 22px;font-size:clamp(32px,3.2vw,48px);line-height:1.45;letter-spacing:-.035em}
.buying-copy p{margin:0;color:#4a647a;font-size:16px;line-height:2.1;max-width:650px}
.buying-actions{display:flex;align-items:center;gap:22px;margin-top:30px}
.text-link{font-size:14px;font-weight:700;color:var(--ink);border-bottom:1px solid #95abc0;padding-bottom:2px}
.buying-visual{position:relative;aspect-ratio:1.18/1;background:#fff;overflow:hidden;border-radius:10px;border:1px solid var(--line)}
.buying-visual img{width:100%;height:100%;object-fit:cover;filter:saturate(.9);transition:transform .7s var(--ease)}
.buying-visual:hover img{transform:scale(1.025)}

/* SEO content */
.seo-content{background:#fff;padding-block:88px}
.seo-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:96px;align-items:start}

/* FAQ */
.faq-section{background:#fff;border-top:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:100px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:21px 0;font-weight:700;font-size:16px;cursor:pointer}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary span{font-size:22px;font-weight:300;color:var(--accent);transition:transform .35s var(--ease)}
.faq-list details[open] summary span{transform:rotate(45deg)}
.faq-list p{margin:-2px 0 22px;color:var(--muted);font-size:14px;line-height:2;max-width:730px}

/* Contact */
.contact-section{background:var(--surface-blue);border-top:1px solid #e1ebf2}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;align-items:start}
.contact-copy h2{margin:0 0 18px;font-size:clamp(34px,3.2vw,48px);line-height:1.45;letter-spacing:-.035em}
.contact-copy>p:not(.kicker){margin:0;color:#526a80;font-size:16px;line-height:2;max-width:480px}
.contact-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.contact-badges span{border:1px solid #cbdce9;background:rgba(255,255,255,.55);border-radius:999px;padding:7px 11px;font-size:11px;color:#49647b}
.contact-form{background:#fff;border:1px solid #d9e4ed;padding:30px;border-radius:10px;box-shadow:0 18px 52px rgba(27,67,100,.06)}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:grid;gap:8px;margin-bottom:16px;font-size:12px;font-weight:700;color:#435c72}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;border:1px solid #d6e0e8;background:#fff;color:var(--ink);border-radius:6px;padding:12px 13px;outline:none;transition:border-color .25s ease,box-shadow .25s ease}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:#81b4e1;box-shadow:0 0 0 3px rgba(8,116,216,.08)}
.contact-form textarea{resize:vertical}
.form-submit{width:100%;border:0}
.form-status{margin:10px 0 0;font-size:12px;color:var(--muted);min-height:20px}

/* Footer */
.site-footer{padding:48px 0 24px;background:#fff;border-top:1px solid var(--line)}
.footer-main{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-bottom:30px}
.footer-brand{display:flex;align-items:center;gap:18px}
.footer-brand img{width:96px;height:auto}
.footer-brand p{margin:0;font-size:11px;letter-spacing:.12em;color:var(--muted);direction:ltr}
.footer-links{display:flex;gap:24px;font-size:12px;color:#536d82}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;padding-top:18px;border-top:1px solid var(--line);font-size:10px;color:#8a9aaa;direction:ltr}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:40px;background:rgba(7,23,39,.86);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:min(1100px,92vw);max-height:86vh;object-fit:contain;border-radius:8px;box-shadow:0 35px 100px rgba(0,0,0,.32)}
.lightbox-close{position:absolute;top:24px;left:28px;border:0;background:transparent;color:#fff;font-size:34px;font-weight:300}

/* Motion */
html.js [data-reveal]{opacity:1;transform:none}
html.js [data-reveal].is-visible{opacity:1;transform:translate3d(0,0,0);filter:blur(0)}
.hero-enter{opacity:0;transform:translate3d(0,24px,0);filter:blur(6px);animation:heroIn 1s var(--ease) forwards;animation-delay:var(--delay,0ms)}
@keyframes heroIn{to{opacity:1;transform:translate3d(0,0,0);filter:blur(0)}}
.mobile-cta{display:none}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}html.js [data-reveal],.hero-enter{opacity:1!important;transform:none!important;filter:none!important}}

@media (max-width:980px){
  .container{width:min(calc(100% - 36px),var(--container))}
  .section{padding:82px 0}
  .desktop-nav,.header-cta{display:none}
  .nav-row{grid-template-columns:auto 1fr auto;height:68px}
  .menu-toggle{display:block;justify-self:start}
  .mobile-nav{position:absolute;top:68px;right:0;left:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 18px 18px;display:grid;gap:0;transform:translateY(-12px);opacity:0;visibility:hidden;transition:.3s var(--ease)}
  .mobile-nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .mobile-nav a{padding:12px 6px;border-bottom:1px solid #edf2f6;font-size:13px}
  .hero{padding-top:48px}
  .hero-grid{grid-template-columns:1fr;gap:46px;min-height:0}
  .hero-copy{order:1}
  .hero-visual{order:2}
  .hero h1{font-size:clamp(44px,9vw,62px)}
  .split-layout,.specs-grid,.seo-grid,.faq-grid,.contact-grid,.buying-grid{grid-template-columns:1fr;gap:48px}
  .feature-header,.gallery-heading,.docs-heading{grid-template-columns:1fr;gap:18px}
  .feature-list{grid-template-columns:1fr}
  .feature-item,.feature-item:nth-child(odd){border-left:0;padding:28px 0;border-bottom:1px solid var(--line)}
  .feature-item:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .feature-item:last-child{border-bottom:0}
  .docs-strip{grid-template-columns:1fr 1fr}
  .doc-item:nth-child(2){border-left:0}
  .doc-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .gallery-shell{grid-template-columns:1fr;direction:rtl}
  .gallery-thumbs{grid-template-columns:repeat(4,1fr);grid-template-rows:none}
  .gallery-thumb{aspect-ratio:1/1}
  .buying-visual{max-width:620px}
}

@media (max-width:640px){
  body{font-size:15px}
  .container{width:min(calc(100% - 28px),var(--container))}
  .section{padding:68px 0}
  .brand{width:86px}
  .hero{padding-top:34px}
  .hero-grid{gap:34px}
  .hero h1{font-size:44px;line-height:1.28;margin-bottom:18px}
  .hero-lead{font-size:16px;line-height:1.95}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .hero-points{display:grid;gap:7px;font-size:12px}
  .hero-points li{padding:0;margin:0}
  .hero-points li::after{display:none}
  .hero-image-wrap{aspect-ratio:1.32/1}
  .hero-specs{grid-template-columns:1fr}
  .hero-specs span{border-left:0;border-bottom:1px solid var(--line);padding:12px 0}
  .hero-specs span:last-child{border-bottom:0}
  .hero-rule{margin-top:52px}
  .section-title h2,.feature-header h2,.gallery-heading h2,.docs-heading h2{font-size:31px}
  .prose{font-size:15px}
  .gallery-shell{gap:10px}
  .gallery-thumbs{gap:7px;overflow:auto;padding-bottom:4px;grid-template-columns:repeat(4,84px);justify-content:start}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:15px 0}
  .spec-row strong{text-align:right}
  .docs-strip{grid-template-columns:1fr}
  .doc-item{border-left:0;border-bottom:1px solid var(--line);padding:22px 0}
  .doc-item:last-child{border-bottom:0}
  .field-grid{grid-template-columns:1fr;gap:0}
  .contact-form{padding:22px 18px}
  .footer-main{align-items:flex-start;flex-direction:column}
  .footer-links{flex-wrap:wrap;gap:14px 20px}
  .footer-bottom{gap:14px;flex-direction:column}
  .mobile-cta{display:flex;position:fixed;right:14px;left:14px;bottom:12px;z-index:45;align-items:center;justify-content:center;height:48px;border-radius:8px;background:var(--accent);color:#fff;font-size:13px;font-weight:800;box-shadow:0 10px 28px rgba(8,116,216,.3)}
  .site-footer{padding-bottom:84px}
}