/* دفتر کلاس — product website. Palette matches the app design system. */
:root{
  --primary:#2E75B6; --primary-dark:#2568A5; --navy:#16294D; --navy-mid:#1F3864;
  --ink:#1B2A4A; --muted:#7186A3; --bg:#F4F7FC; --card:#fff; --border:#DCE6F2;
  --teal:#1FA89E; --amber:#E8A33D; --violet:#7C6BD9; --red:#D9534F; --green:#3D9B4F;
  --radius:18px; --shadow:0 10px 30px rgba(22,41,77,.08);
  --shadow-lg:0 24px 60px rgba(22,41,77,.16);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Vazirmatn',Tahoma,sans-serif;color:var(--ink);background:var(--bg);
  line-height:1.9;font-size:16.5px;-webkit-font-smoothing:antialiased}
img,svg{display:block}
a{text-decoration:none;color:var(--primary)}
.container{max-width:1160px;margin:0 auto;padding:0 22px}
section{scroll-margin-top:92px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-weight:700;font-size:15.5px;border-radius:12px;
  padding:11px 22px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.btn-lg{padding:14px 28px;font-size:16.5px;border-radius:14px}
.btn.block{width:100%}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(46,117,182,.35)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy);border-color:#fff}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:#EAF1F9}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:21px;color:var(--ink)}
.logo-mark{width:38px;height:38px}
.logo.light{color:#fff}
.main-nav{display:flex;gap:24px;margin-inline-start:8px}
.main-nav a{color:var(--ink);font-size:15.5px;font-weight:500;position:relative;padding:4px 0}
.main-nav a::after{content:"";position:absolute;bottom:0;right:0;width:0;height:2.5px;
  border-radius:2px;background:var(--primary);transition:width .22s ease}
.main-nav a:hover::after{width:100%}
.nav-cta{margin-inline-start:auto;display:flex;align-items:center;gap:10px}
.nav-cta .btn-ghost{border-color:transparent}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2.5px;background:var(--ink);
  border-radius:2px;margin:5px 0;transition:.2s}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(150deg,var(--navy) 0%,var(--navy-mid) 45%,var(--primary) 130%)}
.hero-bg .blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.blob-1{width:420px;height:420px;background:#2E75B6;top:-140px;left:-100px}
.blob-2{width:340px;height:340px;background:#1FA89E;bottom:-160px;right:22%}
.blob-3{width:220px;height:220px;background:#7C6BD9;top:30px;right:-70px;opacity:.35}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr 1fr;
  gap:48px;align-items:center;padding:84px 22px 96px}
.eyebrow{display:inline-block;font-size:13.5px;font-weight:700;letter-spacing:.2px;
  color:var(--primary);background:#EAF1F9;border:1px solid #D5E1EF;
  padding:3px 14px;border-radius:99px;margin-bottom:16px}
.hero .eyebrow{color:#BFE0F5;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25)}
.hero h1{font-size:clamp(32px,4.6vw,50px);font-weight:900;line-height:1.45}
.hero h1 .grad{background:linear-gradient(90deg,#7FD1C8,#A8C8EC);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin:20px 0 30px;font-size:18px;color:#D7E3F4;max-width:34em}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-points{display:flex;gap:20px;flex-wrap:wrap;list-style:none;margin-top:26px;
  color:#BFD2EA;font-size:14.5px}
.hero-points li::before{content:"✓";color:#7FD1C8;font-weight:900;margin-inline-end:6px}

/* app window mock */
.hero-visual{position:relative}
.app-window{background:#fff;color:var(--ink);border-radius:18px;box-shadow:var(--shadow-lg);
  overflow:hidden;transform:perspective(1200px) rotateY(4deg) rotateX(1deg)}
.app-titlebar{display:flex;align-items:center;gap:7px;background:#EEF3FA;
  padding:11px 16px;border-bottom:1px solid var(--border)}
.app-titlebar .dot{width:11px;height:11px;border-radius:50%}
.dot.r{background:#F08A84}.dot.y{background:#F2C94C}.dot.g{background:#7BC47F}
.app-title{margin-inline-start:8px;font-size:13.5px;color:var(--muted);font-weight:600}
.app-body{display:grid;grid-template-columns:118px 1fr;min-height:300px}
.app-side{background:var(--navy);padding:16px 10px;display:flex;flex-direction:column;gap:6px}
.side-item{color:#B9CBE4;font-size:13px;padding:7px 10px;border-radius:9px}
.side-item.active{background:rgba(255,255,255,.14);color:#fff;font-weight:700}
.app-main{padding:18px}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mini-stat{background:var(--bg);border:1px solid var(--border);border-radius:12px;
  padding:10px 12px;text-align:center}
.mini-stat b{display:block;font-size:21px;color:var(--navy)}
.mini-stat small{color:var(--muted);font-size:12.5px}
.chart-card{margin-top:12px;border:1px solid var(--border);border-radius:12px;padding:12px 14px}
.chart-head{font-size:13.5px;font-weight:700;color:var(--navy);margin-bottom:6px}
.chart{width:100%;height:auto}
.att-row{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.att-chip{font-size:13px;font-weight:700;padding:3px 12px;border-radius:99px}
.att-chip.ok{background:#E4F4E8;color:var(--green)}
.att-chip.late{background:#FCF0DC;color:#B97E1E}
.att-chip.abs{background:#FBE7E6;color:var(--red)}
.float-card{position:absolute;display:flex;gap:10px;align-items:center;background:#fff;
  color:var(--ink);border-radius:14px;box-shadow:var(--shadow-lg);padding:12px 16px;
  animation:floaty 5.5s ease-in-out infinite}
.float-card b{display:block;font-size:14.5px;line-height:1.5}
.float-card small{color:var(--muted);font-size:12.5px}
.fc-ico{width:30px;height:30px;flex:none}
.float-1{bottom:34px;right:-14px}
.float-2{top:26px;left:-16px;animation-delay:1.6s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:#fff}
.section-head{text-align:center;max-width:640px;margin:0 auto 48px}
.section-head h2{font-size:clamp(25px,3.2vw,34px);font-weight:900;color:var(--navy);margin-bottom:10px}
.section-head p{color:var(--muted)}
.container.narrow{max-width:820px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.split h2{font-size:clamp(24px,3vw,32px);font-weight:900;color:var(--navy);margin-bottom:14px}
.split p{color:#43536E}
.check-list{list-style:none;margin-top:16px}
.check-list li{padding:7px 0;padding-inline-start:30px;position:relative}
.check-list li::before{content:"✓";position:absolute;inset-inline-start:0;top:7px;
  width:21px;height:21px;border-radius:50%;background:#E4F4E8;color:var(--green);
  font-size:13px;font-weight:900;display:flex;align-items:center;justify-content:center}

/* features */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.f-ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  color:var(--c);background:color-mix(in srgb,var(--c) 12%,#fff);margin-bottom:14px}
.f-ico svg{width:27px;height:27px}
.feature-card h3{font-size:18px;color:var(--navy);margin-bottom:6px}
.feature-card p{color:var(--muted);font-size:15px}

/* privacy visual */
.privacy-visual{display:flex;justify-content:center}
.device-card{width:min(400px,100%);background:var(--navy);color:#fff;border-radius:20px;
  padding:24px;box-shadow:var(--shadow-lg)}
.device-head{font-weight:800;font-size:17px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.18)}
.device-row{display:flex;justify-content:space-between;padding:11px 2px;
  border-bottom:1px solid rgba(255,255,255,.1);font-size:15px}
.device-row:last-child{border-bottom:none}
.device-row b{color:#7FD1C8}
.device-row.dim{color:#93A7C4}
.device-row.dim b{color:#F08A84}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:34px}
.step{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow)}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;
  font-weight:900;font-size:19px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{color:var(--navy);margin-bottom:6px}
.step p{color:var(--muted);font-size:15px}
.download-box{background:linear-gradient(120deg,var(--navy-mid),var(--primary));color:#fff;
  border-radius:22px;padding:32px;display:flex;align-items:center;gap:24px;
  justify-content:space-between;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.download-box h3{font-size:21px;margin-bottom:4px}
.download-box p{color:#C9D9EE}
.download-actions{display:flex;gap:12px;flex-wrap:wrap}

/* pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.price-card{position:relative;background:#fff;border:1.5px solid var(--border);border-radius:22px;
  padding:30px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.price-card h3{font-size:21px;color:var(--navy)}
.price-for{color:var(--muted);font-size:14.5px;margin:4px 0 10px}
.price-card .check-list{flex:1;margin-top:6px}
.price-card .btn{margin-top:22px}
.price-card.featured{border-color:var(--primary);box-shadow:var(--shadow-lg);transform:scale(1.03)}
.ribbon{position:absolute;top:-14px;inset-inline-start:26px;background:var(--amber);color:#fff;
  font-size:13px;font-weight:800;padding:3px 14px;border-radius:99px;box-shadow:0 6px 14px rgba(232,163,61,.4)}

/* org form */
.form-card{background:#fff;border:1px solid var(--border);border-radius:22px;
  padding:30px 28px;box-shadow:var(--shadow-lg)}
.form-card h3{color:var(--navy);font-size:19px;margin-bottom:16px}
.field{margin-bottom:15px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:5px}
.field input,.field textarea{width:100%;font-family:inherit;font-size:15.5px;color:var(--ink);
  padding:11px 14px;border:1.5px solid #C9D8EA;border-radius:11px;background:#FBFCFE;
  transition:border-color .15s,box-shadow .15s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(46,117,182,.14);background:#fff}
.field .hint{color:var(--muted);font-size:12.5px}
.form-msg{margin-top:14px;font-size:14.5px;border-radius:11px;padding:0 14px;max-height:0;
  overflow:hidden;transition:.25s}
.form-msg.show{max-height:200px;padding:11px 14px}
.form-msg.ok{background:#E4F4E8;color:#22682F;border:1px solid #BEE6C6}
.form-msg.err{background:#FBE7E6;color:#A02C28;border:1px solid #F3C1BF}
#orgSubmit[disabled]{opacity:.65;cursor:wait;transform:none}

/* faq */
.faq-item{background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:12px;overflow:hidden}
.faq-q{width:100%;text-align:right;background:none;border:none;cursor:pointer;
  font-family:inherit;font-size:16.5px;font-weight:700;color:var(--navy);
  padding:17px 20px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq-q::after{content:"+";font-size:22px;color:var(--primary);font-weight:400;transition:transform .25s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 20px 18px;color:var(--muted);font-size:15.5px}

/* footer */
.site-footer{background:var(--navy);color:#C9D9EE;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:36px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:12px}
.footer-grid a{display:block;color:#C9D9EE;padding:4px 0;font-size:15px}
.footer-grid a:hover{color:#fff}
.footer-note{margin-top:12px;font-size:14.5px;max-width:30em}
.copyright{border-top:1px solid rgba(255,255,255,.14);padding:16px 22px;font-size:13.5px;color:#93A7C4}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .float-card{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .feature-grid,.steps,.pricing-grid{grid-template-columns:1fr 1fr}
  .price-card.featured{transform:none}
  .hero-grid{grid-template-columns:1fr;padding:64px 22px 80px}
  .hero-visual{max-width:560px}
  .split{grid-template-columns:1fr}
}
@media (max-width:680px){
  .feature-grid,.steps,.pricing-grid,.footer-grid,.field-row{grid-template-columns:1fr}
  .main-nav{position:absolute;top:72px;right:0;left:0;background:#fff;flex-direction:column;
    gap:0;padding:10px 22px 16px;border-bottom:1px solid var(--border);
    box-shadow:var(--shadow);display:none}
  .main-nav.open{display:flex}
  .main-nav a{padding:10px 0;border-bottom:1px solid #EEF3FA}
  .nav-toggle{display:block}
  .nav-cta .btn-ghost{display:none}
  .app-body{grid-template-columns:92px 1fr}
  .float-card{transform:scale(.88)}
  .float-1{right:2px;bottom:-14px}
  .float-2{left:2px;top:-16px}
  .mini-stat small{font-size:11px}
  .app-main{padding:12px}
  .section{padding:60px 0}
}