@font-face{font-family:"Samim";src:url("../fonts/Samim.woff2") format("woff2"),url("../fonts/Samim.woff") format("woff");font-weight:400;font-display:swap}
@font-face{font-family:"Samim";src:url("../fonts/Samim-Medium.woff2") format("woff2"),url("../fonts/Samim-Medium.woff") format("woff");font-weight:500;font-display:swap}
@font-face{font-family:"Samim";src:url("../fonts/Samim-Bold.woff2") format("woff2"),url("../fonts/Samim-Bold.woff") format("woff");font-weight:700;font-display:swap}

:root{
  --bg:#05070d;
  --bg2:#0a1020;
  --ink:#fff;
  --muted:#9aa4b8;
  --accent:#00d9ff;
  --accent2:#0099ff;
  --line:rgba(255,255,255,.12);
  --card:rgba(255,255,255,.04);
  --head-h:72px;
  --font:"Samim",system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--head-h)}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.9;font-size:16px;direction:rtl;text-align:right;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ol,ul{list-style:none}

.wrap{width:min(1120px,100% - 40px);margin-inline:auto;position:relative;z-index:1}
.wrap.narrow{width:min(640px,100% - 40px)}

/* header */
.site-head{position:fixed;inset:0 0 auto 0;height:var(--head-h);z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100% - 1120px)/2));background:rgba(5,7,13,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .3s}
.site-head.solid{background:rgba(5,7,13,.88)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:22px}
.brand-name{font-size:19px;white-space:nowrap}
@media (max-width:1000px){.brand small{display:none}}
@media (max-width:420px){.brand-name{font-size:16px}}
.brand small{font-size:12px;font-weight:400;color:var(--muted);letter-spacing:.5px;margin-inline-start:2px}
.brand-dot{width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent)}
.nav{display:flex;gap:6px}
.nav a{padding:8px 16px;border-radius:999px;color:var(--muted);font-weight:500;transition:.25s}
.nav a:hover,.nav a.on{color:var(--ink);background:var(--card)}
.nav a.on{color:var(--accent)}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.nav-toggle i{display:block;width:24px;height:2px;background:var(--ink);transition:.3s}
.nav-toggle[aria-expanded=true] i:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded=true] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded=true] i:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* sections */
.sec{position:relative;padding:110px 0;overflow:hidden}
.particles{position:absolute;inset:0;z-index:0}
.particles canvas{display:block;width:100%;height:100%}
.hero{min-height:100vh;min-height:100svh;display:flex;align-items:center;padding-top:var(--head-h);background:radial-gradient(ellipse at 70% 20%,#0d2a4a 0,transparent 55%),radial-gradient(ellipse at 20% 90%,#06324a 0,transparent 50%),var(--bg)}
.hero .particles canvas{filter:drop-shadow(0 0 5px rgba(0,217,255,.85))}
.fx{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.hero-in h1,.hero-in .lead{text-shadow:0 2px 24px rgba(3,5,10,.85)}
.aurora{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.aurora i{position:absolute;width:60vmax;height:60vmax;border-radius:50%;filter:blur(90px);opacity:.22;animation:drift 22s ease-in-out infinite alternate}
.aurora i:nth-child(1){background:#0077ff;top:-25vmax;right:-15vmax}
.aurora i:nth-child(2){background:#7b5cff;bottom:-30vmax;left:-10vmax;animation-duration:28s;animation-delay:-8s}
.aurora i:nth-child(3){background:#00d9ff;top:20%;left:35%;width:34vmax;height:34vmax;opacity:.18;animation-duration:19s;animation-delay:-4s}
@keyframes drift{0%{transform:translate(0,0) scale(1)}50%{transform:translate(-8vmax,5vmax) scale(1.15)}100%{transform:translate(6vmax,-6vmax) scale(.95)}}
h1 em{font-style:normal;background:linear-gradient(90deg,#00d9ff,#a78bfa,#00d9ff);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 6s linear infinite}
@keyframes shine{to{background-position:200% center}}
.hero-in{pointer-events:none}
.hero-in a,.hero-in .btn{pointer-events:auto}
.eyebrow{display:flex;align-items:center;gap:12px;color:var(--accent);font-weight:500;font-size:15px;margin-bottom:18px}
.eyebrow::before{content:"";width:36px;height:1px;background:var(--accent)}
h1{font-size:clamp(34px,6.2vw,76px);line-height:1.35;font-weight:700;margin-bottom:22px}
h2{font-size:clamp(28px,4.2vw,48px);line-height:1.4;font-weight:700;margin-bottom:14px}
h3{font-size:19px;font-weight:700;margin:14px 0 6px}
.lead{color:var(--muted);max-width:620px;font-size:clamp(15px,1.6vw,18px)}
.hint{margin-top:34px;color:var(--muted);font-size:13px;opacity:.7}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 34px;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#00131a;font-family:inherit;font-weight:700;font-size:16px;border:0;cursor:pointer;transition:transform .25s,box-shadow .25s}
.btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,217,255,.35)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--accent);box-shadow:none}
.sec-head{margin-bottom:46px}

/* services */
.services{background:var(--bg2)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{padding:30px 24px;border:1px solid var(--line);border-radius:18px;background:var(--card);transition:transform .3s,border-color .3s,background .3s}
.card:hover{transform:translateY(-8px);border-color:var(--accent);background:rgba(0,217,255,.06)}
.card svg{width:52px;height:52px;fill:var(--accent)}
.card p{color:var(--muted);font-size:15px}

/* products */
.products{background:var(--bg)}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod{color:inherit;display:flex;flex-direction:column;gap:4px;min-height:190px}
.prod h3{margin-top:0;direction:ltr;text-align:right}
.prod p{color:var(--muted);font-size:15px}
.prod .go{margin-top:auto;color:var(--accent);font-weight:500}
@media (max-width:900px){.grid4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.grid4{grid-template-columns:1fr}}

/* snow / process */
.snow{background:linear-gradient(180deg,var(--bg2),#06101f 60%,var(--bg))}
.snow .wrap{pointer-events:none}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.steps li{padding:22px;border:1px solid var(--line);border-radius:14px;background:rgba(5,7,13,.45);backdrop-filter:blur(4px);font-weight:500}
.steps b{display:block;color:var(--accent);font-size:28px;line-height:1.4}

/* portfolio */
.portfolio{background:var(--bg)}
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.work{position:relative;min-height:280px;border-radius:18px;padding:26px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;border:1px solid var(--line);transition:transform .35s}
.work img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.work::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(3,5,10,.92))}
.work:hover{transform:translateY(-8px)}
.work:hover img{transform:scale(1.1)}
.work b,.work span{position:relative;z-index:1}
.work b{font-size:26px}
.work span{color:#dbe4f5;font-size:14px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:70px;text-align:center}
.stats b{display:block;font-size:clamp(38px,6vw,64px);color:var(--accent);line-height:1.3}
.stats span{color:var(--muted)}

/* contact */
.contact{background:radial-gradient(ellipse at 50% 0,#0d2a4a 0,transparent 60%),var(--bg2)}
.mail{display:inline-block;color:var(--accent);font-size:20px;margin-top:6px;direction:ltr;border-bottom:1px solid currentColor}
.form{display:grid;gap:18px}
.field{display:grid;gap:6px}
.field label{font-size:14px;color:var(--muted)}
.field input,.field textarea{font-family:inherit;font-size:16px;color:var(--ink);background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;padding:13px 16px;outline:0;transition:border-color .25s,background .25s}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--accent);background:rgba(0,217,255,.06)}
.field.bad input,.field.bad textarea{border-color:#ff5c7a}
.form .btn{justify-self:start}
.form-note{min-height:24px;color:var(--accent);font-size:14px}

/* footer */
.site-foot{background:#03050a;border-top:1px solid var(--line);padding:34px 0}
.foot-in{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;color:var(--muted);font-size:14px}
.socials{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.socials a:hover{color:var(--accent)}
.enamad img{height:56px;width:auto;background:#fff;border-radius:8px;padding:4px}
.addr{margin-top:6px;font-size:14px}
.addr a{color:var(--accent)}
.dom{direction:ltr;text-align:right;color:var(--accent);margin-top:2px}

/* up arrow */
.up{position:fixed;left:24px;bottom:24px;z-index:40;width:48px;height:48px;border-radius:50%;background:var(--card);border:1px solid var(--line);backdrop-filter:blur(8px);display:grid;place-items:center;opacity:0;transform:translateY(20px);pointer-events:none;transition:.3s}
.up.show{opacity:1;transform:none;pointer-events:auto}
.up svg{width:26px;height:26px;fill:var(--ink)}
.up:hover{border-color:var(--accent);background:rgba(0,217,255,.12)}

/* reveal: fade-in-up (same as sample page) */
.reveal{opacity:0;transform:translateY(80px);transition:opacity 1s ease,transform 1s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
.grid3 .reveal:nth-child(2),.works .reveal:nth-child(2){transition-delay:.15s}
.grid3 .reveal:nth-child(3),.works .reveal:nth-child(3){transition-delay:.3s}

@media (max-width:900px){
  .grid3,.works{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .work{min-height:200px}
}
@media (max-width:720px){
  .nav-toggle{display:flex}
  .nav{position:absolute;top:var(--head-h);inset-inline:0;flex-direction:column;padding:12px 20px 20px;background:rgba(5,7,13,.96);border-bottom:1px solid var(--line);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.3s}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .sec{padding:80px 0}
  .stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .foot-in{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .steps{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}