:root{
  --navy:#061a4a; --navy2:#0a2a6e; --blue:#0b86d6; --cyan:#15b7ee;
  --ink:#0c1e45; --muted:#55657f; --bg:#eef3fa; --white:#fff;
  --r:18px; --ease:cubic-bezier(.2,.7,.2,1);
}
*{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;overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.ico{width:1.4em;height:1.4em;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.wrap{width:min(1180px,92%);margin-inline:auto}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}

/* progress */
.progress{position:fixed;inset:0 0 auto 0;height:4px;z-index:60;background:transparent}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--blue))}

/* icon menu */
.rail{position:fixed;left:18px;top:50%;transform:translateY(-50%);z-index:50;display:flex;flex-direction:column;gap:10px;padding:10px;border-radius:40px;background:rgba(6,26,74,.88);backdrop-filter:blur(8px);box-shadow:0 12px 30px rgba(6,26,74,.35)}
.rail a{position:relative;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;color:#cfe3ff;transition:.3s var(--ease)}
.rail a .ico{width:24px;height:24px}
.rail a:hover,.rail a.active{background:var(--cyan);color:var(--navy);transform:scale(1.08)}
.rail .tip{position:absolute;left:calc(100% + 14px);top:50%;transform:translate(-10px,-50%);background:var(--navy);color:#fff;padding:4px 14px;border-radius:20px;font-size:.85rem;white-space:nowrap;opacity:0;pointer-events:none;transition:.25s var(--ease)}
.rail a:hover .tip,.rail a:focus-visible .tip{opacity:1;transform:translate(0,-50%)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 26px;border-radius:40px;font-weight:700;font-family:inherit;font-size:1rem;border:2px solid transparent;cursor:pointer;position:relative;overflow:hidden;transition:.3s var(--ease)}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;box-shadow:0 10px 24px rgba(11,134,214,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(11,134,214,.45)}
.btn-ghost{border-color:var(--navy2);color:var(--navy2)}
.btn-ghost:hover{background:var(--navy2);color:#fff}
.btn-sm{padding:7px 20px;font-size:.9rem;border-color:var(--cyan);color:var(--cyan)}
.btn-sm:hover{background:var(--cyan);color:var(--navy)}
.ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.55);transform:scale(0);animation:rip .6s linear;pointer-events:none}
@keyframes rip{to{transform:scale(3);opacity:0}}

/* ===== HERO ===== */
.hero{--arch:min(54vw,820px);position:relative;min-height:max(100vh,700px);display:flex;align-items:center;padding:96px 0 62px;color:#fff;overflow:hidden;isolation:isolate;
  background:radial-gradient(900px 600px at 78% 18%,#14449a 0%,transparent 62%),radial-gradient(700px 500px at 100% 100%,#0d3a8a 0%,transparent 60%),linear-gradient(160deg,#030e33 0%,#0a2a6e 58%,#05174a 100%)}
.hero-photo{position:absolute;left:0;top:0;bottom:62px;width:var(--arch);overflow:hidden;border-top-right-radius:50% 40%;z-index:-1;box-shadow:0 0 80px rgba(21,183,238,.18)}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:left bottom;display:block;transform-origin:left bottom;animation:zoomout 2.6s var(--ease) both}
@keyframes zoomout{from{transform:scale(1.1)}to{transform:none}}
.hero-ring{position:absolute;left:0;top:0;bottom:62px;width:var(--arch);border-top-right-radius:50% 40%;border:2px solid rgba(21,183,238,.7);border-left:0;border-bottom:0;transform:translate(18px,-18px);z-index:-1;pointer-events:none;animation:ringpulse 5s ease-in-out infinite}
.hero-ring::after{content:"";position:absolute;inset:0;border-top-right-radius:50% 40%;border:2px solid rgba(21,183,238,.28);border-left:0;border-bottom:0;transform:translate(22px,-22px)}
@keyframes ringpulse{50%{opacity:.45;transform:translate(26px,-26px)}}
.brand{position:absolute;top:28px;inset-inline-start:6%;z-index:3;display:inline-flex;align-items:center;gap:12px;direction:ltr}
.brand-logo{width:58px;height:58px;border-radius:50%;object-fit:cover}
.brand-name{font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.9rem;line-height:1;color:#fff;letter-spacing:.02em;display:flex;flex-direction:column}
.brand-name small{font-size:.6rem;font-weight:600;letter-spacing:.35em;margin-top:5px}
.hero-content{width:min(42%,570px);margin-inline-start:6%;position:relative;z-index:2}
h1{line-height:1.2}
.h-a{display:block;font-size:clamp(1.25rem,2.1vw,1.9rem);font-weight:600;color:#9fd6ff}
.h-b{display:block;font-size:clamp(2.5rem,5.2vw,4.9rem);font-weight:800;background:linear-gradient(180deg,#fff 35%,#a5d8ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.12em}
.slogan{font-size:clamp(1.1rem,1.8vw,1.5rem);font-weight:600;margin:14px 0 8px;padding-top:14px;border-top:2px solid rgba(255,255,255,.28);display:inline-block;line-height:1.75}
.slogan b{color:var(--cyan)}
.lead{color:#bcd0f0;max-width:440px;margin-bottom:26px}
.feats{display:grid;grid-template-columns:repeat(4,1fr);margin-bottom:28px;padding:16px 0;border-block:1px solid rgba(160,190,235,.25)}
.feats li{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;color:#e6f0ff;font-size:.86rem;line-height:1.5;padding:2px 6px;font-weight:500}
.feats li+li{border-right:1px solid rgba(160,190,235,.28)}
.feats .ico{width:34px;height:34px;color:var(--cyan);stroke-width:1.5;transition:.35s var(--ease)}
.feats li:hover .ico{transform:translateY(-5px) scale(1.12)}
.cta{display:flex;gap:14px;flex-wrap:wrap}
.btn-light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-light:hover{background:#fff;color:var(--navy)}
.hero-bar{position:absolute;inset:auto 0 0 0;height:62px;background:rgba(3,14,46,.96);border-top:1px solid rgba(21,183,238,.35);display:flex;align-items:center;gap:18px;padding:0 5%;color:#dbe8ff;font-size:.95rem;z-index:3}
.hb-item{display:flex;align-items:center;gap:10px}
.hb-item .ico{width:22px;height:22px;color:var(--cyan)}
.hb-div{width:1px;height:24px;background:#4a64a0}
.hb-social{margin-inline-start:auto;display:flex;gap:10px}
.hb-social a{width:36px;height:36px;border:1.5px solid #cfe0ff;border-radius:50%;display:grid;place-items:center;transition:.3s var(--ease)}
.hb-social a:hover{background:var(--cyan);border-color:var(--cyan);color:var(--navy);transform:translateY(-3px)}
.hb-social .ico{width:18px;height:18px;stroke-width:1.9}
.js .hero-content>*{opacity:0;animation:fadein .9s var(--ease) forwards}
.js .hero-content>:nth-child(2){animation-delay:.14s}.js .hero-content>:nth-child(3){animation-delay:.28s}
.js .hero-content>:nth-child(4){animation-delay:.42s}.js .hero-content>:nth-child(5){animation-delay:.56s}
@keyframes fadein{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media (max-height:780px){.lead{display:none}.feats{padding:10px 0;margin-bottom:18px}}

/* ===== SECTIONS ===== */
.section{padding:110px 0;position:relative}
.title{font-size:clamp(1.9rem,3.4vw,2.8rem);font-weight:800;color:var(--navy);line-height:1.3;margin-bottom:18px;position:relative;padding-bottom:16px}
.title::after{content:"";position:absolute;right:0;bottom:0;width:70px;height:5px;border-radius:4px;background:linear-gradient(90deg,var(--cyan),var(--blue))}
.title.light{color:#fff}
.sub{color:#b9cdee;max-width:620px;margin-bottom:30px}
.sub-dark{color:var(--muted);max-width:480px;margin-bottom:26px}

.about-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:center}
.about-copy p{color:var(--muted);margin-bottom:14px}
.checks{margin-top:18px;display:grid;gap:10px}
.checks li{display:flex;gap:12px;align-items:center;font-weight:500}
.checks .ico{width:26px;height:26px;padding:4px;border-radius:50%;background:var(--cyan);color:var(--navy);stroke-width:2.6}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:linear-gradient(150deg,var(--navy),var(--navy2));color:#fff;border-radius:var(--r);padding:28px 18px;text-align:center;position:relative;overflow:hidden;transition:.4s var(--ease)}
.stat::before{content:"";position:absolute;width:120px;height:120px;border-radius:50%;border:14px solid rgba(21,183,238,.18);left:-40px;top:-40px}
.stat:hover{transform:translateY(-6px)}
.stat b{display:block;font-family:'Montserrat',sans-serif;font-size:2.6rem;line-height:1.2;color:var(--cyan)}
.stat span{font-size:.92rem;color:#c9dcf8}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:64px}
.pillar{background:#fff;border-radius:var(--r);padding:28px 22px;border-bottom:4px solid var(--cyan);box-shadow:0 10px 30px rgba(10,42,110,.08);transition:.4s var(--ease)}
.pillar:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(10,42,110,.16)}
.pillar .ico{width:40px;height:40px;color:var(--blue);margin-bottom:10px}
.pillar h3{font-size:1.1rem;color:var(--navy);margin-bottom:6px}
.pillar p{font-size:.92rem;color:var(--muted);line-height:1.8}

/* products */
.dark{background:radial-gradient(900px 500px at 85% 0%,#12408f 0%,transparent 60%),linear-gradient(160deg,var(--navy),#04123a)}
.tabs{display:flex;gap:10px;margin-bottom:34px;flex-wrap:wrap}
.tab{font-family:inherit;font-size:.95rem;padding:8px 24px;border-radius:30px;border:1.5px solid #37579a;background:transparent;color:#cfe0fb;cursor:pointer;transition:.3s var(--ease)}
.tab:hover{border-color:var(--cyan);color:#fff}
.tab.active{background:var(--cyan);border-color:var(--cyan);color:var(--navy);font-weight:700}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:linear-gradient(170deg,#0d2a6a,#09205a);border:1px solid #1f438c;border-radius:var(--r);padding:26px 24px 24px;text-align:center;transition:.45s var(--ease);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(260px 200px at 50% 30%,rgba(21,183,238,.22),transparent 70%);opacity:0;transition:.45s}
.card:hover{transform:translateY(-8px);border-color:var(--cyan);box-shadow:0 26px 44px rgba(0,0,0,.4)}
.card:hover::before{opacity:1}
.card figure{position:relative;aspect-ratio:1/1;overflow:hidden;border-radius:14px;margin-bottom:16px;background:#071a45}
.photo{width:100%;height:100%;object-fit:cover;display:block;transition:transform .9s var(--ease),filter .5s}
.card:hover .photo{transform:scale(1.07);filter:brightness(1.08) contrast(1.04)}
.card figure::after{content:"";position:absolute;inset:0;border-radius:14px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);pointer-events:none}
.card h3{font-size:1.2rem;font-weight:700;color:#fff;position:relative;margin-bottom:8px}
.card .fa{color:var(--cyan);font-weight:500;margin-bottom:10px;position:relative}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:18px;position:relative}
.chips li{font-size:.76rem;padding:2px 12px;border-radius:20px;background:rgba(255,255,255,.08);color:#cfe0fb;direction:ltr}
.card .btn{position:relative}
.card.hide{display:none}
.card.pop{animation:pop .5s var(--ease)}
@keyframes pop{from{opacity:0;transform:scale(.92)}}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.info{display:grid;gap:14px;margin-bottom:24px}
.info li{display:flex;align-items:center;gap:14px}
.info .ico{width:44px;height:44px;padding:11px;border-radius:50%;background:var(--navy2);color:var(--cyan)}
.social{display:flex;gap:12px}
.social a{width:46px;height:46px;border-radius:50%;border:2px solid var(--navy2);display:grid;place-items:center;color:var(--navy2);transition:.3s var(--ease)}
.social a:hover{background:var(--navy2);color:#fff;transform:translateY(-4px) rotate(8deg)}
.form{background:#fff;border-radius:22px;padding:34px;box-shadow:0 24px 50px rgba(10,42,110,.14);display:grid;gap:16px;border-top:5px solid var(--cyan)}
.form label{display:grid;gap:6px;font-weight:500;font-size:.92rem}
.form input,.form select,.form textarea{font-family:inherit;font-size:1rem;padding:12px 16px;border:1.5px solid #c9d6ea;border-radius:12px;background:#f6f9fd;color:var(--ink);transition:.25s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(21,183,238,.18)}
.form .btn{justify-content:center}
.footer{background:var(--navy);color:#cfe0fb;padding:22px 0}
.foot-in{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:'Montserrat',sans-serif;font-size:.85rem}
.foot-in .brand{position:static;margin:0}.foot-in .brand-logo{width:42px;height:42px}.foot-in .brand-name{font-size:1.3rem}
.totop{width:44px;height:44px;border-radius:50%;background:var(--cyan);color:var(--navy);display:grid;place-items:center;transition:.3s}
.totop:hover{transform:translateY(-4px)}
.up{transform:rotate(90deg)}

/* reveal */
.js .reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ===== responsive ===== */
@media (max-width:1000px){
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(2,1fr)}
  .pillars{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .hero{display:block;min-height:0;padding:0}
  .hero-photo{position:relative;inset:auto;width:100%;height:112vw;max-height:560px;border-radius:0;z-index:0;box-shadow:none;-webkit-mask-image:linear-gradient(#000 62%,transparent 100%);mask-image:linear-gradient(#000 62%,transparent 100%)}
  .hero-photo img{object-position:18% 78%}
  .hero-photo::before{content:"";position:absolute;inset:0 0 auto 0;height:34%;background:linear-gradient(rgba(3,14,46,.92),transparent);z-index:1}
  .hero-ring{display:none}
  .brand{inset-inline-start:50%;transform:translateX(-50%);top:18px}
  .hero-content{width:90%;margin:-22vw auto 0;text-align:center;padding-bottom:26px}
  .slogan{display:block;border-top-color:rgba(255,255,255,.22)}
  .lead{margin-inline:auto;display:block}
  .feats li{font-size:.8rem}
  .cta{justify-content:center}
  .hero-bar{position:static;height:auto;padding:14px 5%;flex-wrap:wrap;justify-content:center;font-size:.85rem}
  .hb-social{margin:0}
  .rail{top:auto;bottom:14px;left:50%;right:auto;transform:translateX(-50%);flex-direction:row;gap:14px;padding:8px 14px}
  .rail .tip{left:50%;bottom:calc(100% + 10px);top:auto;transform:translate(-50%,8px)}
  .rail a:hover .tip{transform:translate(-50%,0)}
  body{padding-bottom:78px}
}
@media (max-width:620px){
  .grid,.pillars,.stats{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .section{padding:80px 0}
  .form{padding:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .js .reveal,.js .hero-content>*{opacity:1;transform:none}
}