@font-face{font-family:Vazirmatn;src:url(fonts/Vazirmatn.woff2) format("woff2");font-weight:100 900;font-display:swap}
:root{--bg:#0b1424;--bg2:#0f1b30;--card:#13213a;--line:#22324f;--tx:#e6edf7;--mu:#9aa9c2;--ac:#22d3ee;--ac2:#34d399;--r:16px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:Vazirmatn,Tahoma,sans-serif;background:var(--bg);color:var(--tx);line-height:1.9;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{width:min(1160px,92%);margin-inline:auto}
.eyebrow{color:var(--ac);font-weight:600;font-size:.9rem;letter-spacing:.02em;margin-bottom:.4rem}
.muted{color:var(--mu)}
h1,h2,h3{line-height:1.45}
h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--ac);color:#04202a;font-weight:700;padding:.75rem 1.5rem;border-radius:12px;border:0;cursor:pointer;font:inherit;font-weight:700;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px var(--ac)}
.btn-ghost{background:transparent;color:var(--tx);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--ac);box-shadow:none}
.btn-sm{padding:.5rem 1.1rem;font-size:.92rem}

.nav{position:sticky;top:0;z-index:20;background:rgba(11,20,36,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:2rem;height:68px}
.logo{display:flex;align-items:center;gap:.6rem;font-size:1.3rem;font-weight:500}
.logo svg{width:34px;height:34px;color:var(--tx)}
.logo b{color:var(--ac);font-weight:800}
.links{display:flex;gap:1.6rem;margin-inline-start:auto;font-size:.95rem;color:var(--mu)}
.links a:hover{color:var(--tx)}
.lang{display:inline-grid;place-items:center;min-width:40px;height:34px;padding:0 .6rem;border:1px solid var(--line);border-radius:9px;font-size:.85rem;font-weight:700;color:var(--mu)}
.lang:hover{color:var(--tx);border-color:var(--ac)}
html[lang=en] .steps li::before{content:counter(s)}
html[lang=en] .hero h1{font-weight:800}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px}
.burger span{display:block;height:2px;background:var(--tx);border-radius:2px}

.hero{position:relative;overflow:hidden;padding:5rem 0 4rem}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;opacity:.35;mask-image:radial-gradient(ellipse at 30% 40%,#000 10%,transparent 70%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.hero h1{font-size:clamp(1.9rem,4.4vw,3.1rem);font-weight:900;margin-bottom:1rem}
.hero h1 span{background:linear-gradient(90deg,var(--ac),var(--ac2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--mu);font-size:1.08rem;max-width:36em}
.cta{display:flex;gap:.8rem;margin:1.8rem 0 1.4rem;flex-wrap:wrap}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem}
.chips li{font-size:.85rem;color:var(--mu);border:1px solid var(--line);padding:.2rem .8rem;border-radius:99px;background:var(--bg2)}
.hero-art svg{width:100%;max-width:420px;display:block;margin-inline:auto;filter:drop-shadow(0 30px 60px rgba(34,211,238,.12))}
.led{animation:blink 2.4s infinite}.d2{animation-delay:.7s}.d3{animation-delay:1.4s}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.wires path{stroke-dasharray:6 8;animation:flow 3s linear infinite}
@keyframes flow{to{stroke-dashoffset:-56}}

.strip{border-block:1px solid var(--line);background:var(--bg2)}
.strip-in{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.strip-in div{padding:1.4rem .5rem;display:flex;flex-direction:column}
.strip-in div+div{border-inline-start:1px solid var(--line)}
.strip-in b{font-size:1.35rem;color:var(--tx)}
.strip-in span{color:var(--mu);font-size:.88rem}

.sec{padding:5.5rem 0}
.sec.alt{background:var(--bg2)}
.sec-head{text-align:center;max-width:640px;margin:0 auto 3rem}
.sec-head p:last-child:not(.eyebrow){color:var(--mu);margin-top:.5rem}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--ac);transform:translateY(-4px)}
.card h3{font-size:1.15rem;margin:.9rem 0 .4rem}
.card p{color:var(--mu);font-size:.94rem}
.ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:rgba(34,211,238,.1)}
.ic svg{width:26px;height:26px;fill:none;stroke:var(--ac);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.prods{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.prod{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:1.8rem;border-top:3px solid var(--ac)}
.prod:nth-child(2){border-top-color:var(--ac2)}
.prod:nth-child(3){border-top-color:#818cf8}
.prod h3{margin-bottom:.8rem;font-size:1.2rem}
.prod ul{list-style:none}
.prod li{padding:.45rem 0;border-bottom:1px dashed var(--line);color:var(--mu);font-size:.95rem}
.prod li:last-child{border:0}
.prod li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--ac);margin-inline-end:.6rem;vertical-align:middle}

.brands{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.brand{border:1px solid var(--line);border-radius:var(--r);padding:2rem 1.6rem;text-align:center;background:linear-gradient(180deg,var(--card),var(--bg))}
.bn{display:block;font-family:"Segoe UI",Arial,sans-serif;font-size:1.9rem;font-weight:800;letter-spacing:.01em;margin-bottom:.6rem}
.brand p{color:var(--mu);font-size:.94rem}

.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.steps li{counter-increment:s;position:relative;padding:1.6rem;border-radius:var(--r);background:var(--bg);border:1px solid var(--line)}
.steps li::before{content:counter(s,persian);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--ac);color:#04202a;font-weight:800;margin-bottom:.8rem}
.steps b{font-size:1.1rem}
.steps p{color:var(--mu);font-size:.93rem;margin-top:.3rem}

.why{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.why h2{margin-bottom:.8rem}
.ticks{list-style:none;display:grid;gap:.8rem}
.ticks li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.9rem 1.1rem;padding-inline-start:3rem;position:relative}
.ticks li::before{content:"";position:absolute;inset-inline-start:1.1rem;top:50%;width:18px;height:18px;margin-top:-9px;border-radius:50%;background:var(--ac2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23042a1c' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-9'/%3E%3C/svg%3E") center/12px no-repeat}

.contact{background:radial-gradient(ellipse at 80% 0%,rgba(34,211,238,.1),transparent 60%),var(--bg2)}
.contact-in{display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:start}
.contact h2{margin-bottom:.6rem}
.mail{display:inline-flex;align-items:center;gap:.6rem;margin-top:1.6rem;padding:.7rem 1.1rem;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.mail:hover{border-color:var(--ac)}
.mail svg{width:22px;height:22px;fill:none;stroke:var(--ac);stroke-width:1.8}
.form{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:1.8rem;display:grid;gap:1rem}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form label{display:grid;gap:.35rem;font-size:.9rem;color:var(--mu)}
.form input,.form select,.form textarea{font:inherit;color:var(--tx);background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:.65rem .9rem;outline:none;transition:border-color .15s}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--ac)}
.form input[dir=ltr]{text-align:left}
.form .btn{justify-self:start}
.hp{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden;clip:rect(0 0 0 0);pointer-events:none}
.form-msg{font-size:.92rem;min-height:1.4em}
.form-msg.ok{color:var(--ac2)}.form-msg.err{color:#f87171}

.foot{border-top:1px solid var(--line);padding:1.6rem 0;color:var(--mu);font-size:.88rem}
.foot-in{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

@media (max-width:980px){
  .cards,.steps{grid-template-columns:repeat(2,1fr)}
  .prods,.brands{grid-template-columns:1fr}
  .hero-in,.why,.contact-in{grid-template-columns:1fr}
  .hero-art{order:-1}.hero-art svg{max-width:300px}
  .hero{padding-top:2.5rem}
}
@media (max-width:760px){
  .links{display:none;position:absolute;top:68px;inset-inline:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:.5rem 4%}
  .links.open{display:flex}
  .links a{padding:.8rem 0;border-bottom:1px solid var(--line)}
  .links a:last-child{border:0}
  .lang{margin-inline-start:auto}
  .burger{display:flex;margin-inline-start:.4rem}
  .nav-in>.btn-sm{display:none}
  .cards,.steps,.row{grid-template-columns:1fr}
  .strip-in{grid-template-columns:repeat(2,1fr)}
  .strip-in div:nth-child(3){border-inline-start:0}
  .strip-in div:nth-child(n+3){border-top:1px solid var(--line)}
  .sec{padding:4rem 0}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}