:root{
  --bg: #0b1220;
  --surface: rgba(255,255,255,.06);
  --surface-2: rgba(255,255,255,.10);
  --border: rgba(255,255,255,.12);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.66);
  --brand-blue: #1b4dd7;
  --brand-green: #21c36a;
  --brand-cyan: #3ad6ff;
  --danger: #ff5a6a;
  --shadow: 0 18px 55px rgba(0,0,0,.45);
  --radius-xl: 26px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --ring: 0 0 0 4px rgba(58,214,255,.18);
  --maxw: 1200px;
  --font: "Vazirmatn", "Vazir", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color-scheme: dark;
}

:root[data-theme="light"]{
  --bg: #f6f8ff;
  --surface: rgba(11,18,32,.045);
  --surface-2: rgba(11,18,32,.075);
  --border: rgba(11,18,32,.12);
  --text: rgba(11,18,32,.92);
  --muted: rgba(11,18,32,.64);
  --shadow: 0 18px 55px rgba(11,18,32,.12);
  --ring: 0 0 0 4px rgba(27,77,215,.12);
  color-scheme: light;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(900px 700px at 85% 10%, rgba(27,77,215,.25), transparent 55%),
    radial-gradient(900px 700px at 15% 0%, rgba(33,195,106,.22), transparent 55%),
    radial-gradient(900px 700px at 40% 95%, rgba(58,214,255,.14), transparent 60%),
    var(--bg);
  color:var(--text);
  overflow-x:hidden;
}

a{color:inherit}
.container{max-width:var(--maxw); margin:0 auto; padding: 18px 18px 70px}
.glass{
  background: linear-gradient(180deg, var(--surface), transparent 140%);
  border:1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.header{
  position: sticky;
  top: 14px;
  z-index: 50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding: 12px 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  min-width: 220px;
}
.brand img{width:54px; height:54px; object-fit:contain}
.brand .t1{font-weight:900; letter-spacing:1px; font-size: 1.05rem}
.brand .t2{color:var(--muted); font-size:.85rem; margin-top:2px}

.nav{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav a{
  text-decoration:none;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: .25s ease;
  font-size: .95rem;
}
.nav a:hover{color:var(--text); border-color: var(--border); background: var(--surface)}
.nav .rfid{
  display:inline-flex; align-items:center; gap:8px;
}

.actions{display:flex; gap:10px; align-items:center}
.btn{
  border:1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  cursor:pointer;
  font-weight: 800;
  transition: .25s ease;
  white-space: nowrap;
}
.btn:hover{transform: translateY(-1px); box-shadow: 0 12px 30px rgba(0,0,0,.18)}
.btn-primary{
  border: none;
  background: linear-gradient(135deg, var(--brand-green), var(--brand-cyan), var(--brand-blue));
  color: #06101b;
}
.btn-ghost{background: transparent}
.theme-toggle{
  width: 44px; height: 44px;
  display:grid; place-items:center;
  border-radius: 999px;
}

.hero{
  margin-top: 14px;
  padding: 22px;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
  overflow:hidden;
}
.hero-media{
  position:relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: rgba(0,0,0,.25);
  min-height: 410px;
  overflow:hidden;
}
.hero-media .overlay{
  position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(0,0,0,.0), rgba(0,0,0,.35));
  pointer-events:none;
}
.hero-slide{
  position:absolute; inset:0;
  opacity:0;
  transition: opacity .65s ease;
}
.hero-slide.active{opacity:1}
.hero-slide.image{
  background-size: cover;
  background-position: center;
}
.hero-video{
  width:100%; height:100%;
  object-fit: cover;
  background:#000;
}

.hero-side{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap: 14px;
  padding: 8px 4px;
}
.kicker{
  display:inline-flex; align-items:center; gap:8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface);
  border:1px solid var(--border);
  width: fit-content;
  color: var(--muted);
  font-weight: 700;
  font-size: .9rem;
}
.h1{
  font-size: clamp(1.8rem, 3.4vw, 3.0rem);
  line-height: 1.25;
  margin: 0;
  letter-spacing: -.3px;
}
.h1 span{color: var(--brand-cyan)}
.lead{
  margin:0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.9;
}
.hero-cta{display:flex; gap:10px; flex-wrap:wrap}
.meta{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: .9rem;
}
.meta .pill{
  display:inline-flex; align-items:center; gap:8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: var(--surface);
  border:1px solid var(--border);
}

.dots{display:flex; gap:8px; margin-top: 6px}
.dot{
  width: 10px; height:10px; border-radius:999px;
  background: rgba(255,255,255,.22);
  cursor:pointer;
  transition: .2s ease;
}
:root[data-theme="light"] .dot{background: rgba(11,18,32,.18)}
.dot.active{background: var(--brand-cyan); transform: scale(1.25)}
.dot.video{background: rgba(33,195,106,.28)}
.dot.video.active{background: var(--brand-green)}

.grid4{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.card{
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: .25s ease;
}
.card:hover{transform: translateY(-4px); box-shadow: 0 18px 40px rgba(0,0,0,.18)}
.card .label{color: var(--muted); font-size: .86rem}
.card .value{font-size: 1.85rem; font-weight: 900; margin-top: 6px}
.card .sub{color: var(--muted); font-size: .85rem; margin-top: 6px}

.section{
  margin-top: 22px;
  padding: 22px;
}
.section h2{margin:0 0 10px 0; font-size: 1.45rem}
.section .desc{margin:0 0 16px 0; color: var(--muted); line-height:1.9}

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.icon{
  width: 44px; height:44px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(58,214,255,.18), rgba(33,195,106,.16));
  border:1px solid var(--border);
  margin-bottom: 10px;
}

.timeline{display:flex; flex-direction:column; gap: 10px}
.step{
  display:flex; gap: 12px;
  align-items:flex-start;
  padding: 14px;
  border-radius: var(--radius-lg);
  border:1px solid var(--border);
  background: var(--surface);
}
.step .num{
  width: 44px; height:44px; border-radius: 999px;
  display:grid; place-items:center;
  background: rgba(27,77,215,.15);
  border:1px solid var(--border);
  font-weight: 900;
}
.step h3{margin:0 0 6px 0; font-size: 1.05rem}
.step p{margin:0; color: var(--muted); line-height: 1.85}

.gallery{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
.gitem{
  position:relative;
  border-radius: 18px;
  overflow:hidden;
  border:1px solid var(--border);
  background: rgba(0,0,0,.2);
  min-height: 140px;
  cursor:pointer;
}
.gitem img{width:100%; height:100%; object-fit:cover; transform: scale(1.02); transition: .25s ease}
.gitem:hover img{transform: scale(1.09)}
.gitem .cap{
  position:absolute; inset:auto 0 0 0;
  padding: 10px 12px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.72));
  font-size: .9rem;
}

.highlights{
  display:flex;
  gap: 12px;
  overflow:auto;
  padding-bottom: 6px;
}
.story{
  flex: 0 0 auto;
  width: 110px;
  text-align:center;
  cursor:pointer;
}
.story .ring{
  width: 88px; height: 88px;
  margin:0 auto 8px auto;
  border-radius: 999px;
  padding: 3px;
  background: linear-gradient(135deg, var(--brand-green), var(--brand-cyan), var(--brand-blue));
}
.story .ring > div{
  width:100%; height:100%;
  border-radius: 999px;
  background: var(--bg);
  display:grid; place-items:center;
  border:1px solid var(--border);
}
.story i{font-size: 22px; color: var(--text)}
.story span{display:block; font-size: .85rem; color: var(--muted)}

.contact{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.field, select, textarea{
  width:100%;
  padding: 12px 14px;
  border-radius: 14px;
  border:1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  outline: none;
}
.field:focus, select:focus, textarea:focus{box-shadow: var(--ring); border-color: rgba(58,214,255,.45)}
small.hint{color: var(--muted)}
.notice{font-size:.92rem}

.footer{
  margin-top: 18px;
  padding: 18px;
  display:flex;
  flex-wrap:wrap;
  gap: 12px;
  align-items:center;
  justify-content:space-between;
  color: var(--muted);
  font-size: .9rem;
}
.trust{
  display:flex; gap: 10px; align-items:center; flex-wrap:wrap;
}
.trust .badge{
  padding: 10px 12px;
  border-radius: 14px;
  border:1px solid var(--border);
  background: var(--surface);
}

.modal{
  position: fixed;
  inset: 0;
  display:none;
  align-items:center;
  justify-content:center;
  z-index: 1000;
  background: rgba(0,0,0,.78);
}
.modal .box{
  width:min(980px, 92vw);
  border-radius: 22px;
  overflow:hidden;
  border:1px solid var(--border);
  background: rgba(0,0,0,.35);
  box-shadow: var(--shadow);
}
.modal .top{
  display:flex; justify-content:space-between; align-items:center;
  padding: 12px 14px;
  color: rgba(255,255,255,.85);
}
.modal .close{
  width: 42px; height:42px; border-radius: 999px;
  display:grid; place-items:center;
  cursor:pointer;
  border:1px solid var(--border);
  background: rgba(255,255,255,.06);
}
.modal img, .modal video{
  width:100%;
  max-height: 78vh;
  object-fit: contain;
  background:#000;
  display:block;
}

@media (max-width: 980px){
  .hero{grid-template-columns: 1fr; }
  .hero-media{min-height: 320px}
  .grid4{grid-template-columns: repeat(2, 1fr)}
  .cards{grid-template-columns: 1fr}
  .gallery{grid-template-columns: repeat(2, 1fr)}
  .contact{grid-template-columns: 1fr}
  .brand{min-width: unset}
}