:root{
    --bg:#04060c;
    --bg-panel:#0a0e18;
    --bg-panel-2:#0d1220;
    --line:#1b2333;
    --cyan:#00c8f0;
    --cyan-dim:#0090ad;
    --amber:#ff9900;
    --text:#eef4fb;
    --muted:#8fa0b8;
    --muted-2:#5d6c82;
    --teal:#2dd9c4;
    --violet:#9b6bff;
    --red:#ff4d5e;
    --radius:14px;
  }

  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:'Inter', sans-serif;
    line-height:1.5;
    overflow-x:hidden;
  }
  h1,h2,h3,h4{
    font-family:'Rajdhani', sans-serif;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:0.02em;
    line-height:1.05;
  }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  ul{list-style:none;}
  button{font-family:inherit;}
  .container{
    max-width:1200px;
    margin:0 auto;
    padding:0 32px;
  }
  section{position:relative;}
  ::selection{background:var(--cyan); color:#04060c;}

  .grid-bg{
    position:fixed; inset:0; z-index:0; pointer-events:none;
    background-image:
      linear-gradient(rgba(0,200,240,0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,200,240,0.035) 1px, transparent 1px);
    background-size:34px 34px;
    mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 75%);
  }

  .seam-glyph{ width:34px; height:34px; position:relative; flex-shrink:0; }
  .seam-glyph span{ position:absolute; width:14px; height:14px; border-radius:4px; }
  .seam-glyph .p1{top:0; left:0; background:var(--teal);}
  .seam-glyph .p2{top:0; right:0; background:var(--cyan);}
  .seam-glyph .p3{bottom:0; left:0; background:var(--amber);}
  .seam-glyph .p4{bottom:0; right:0; background:var(--red);}
  .seam-glyph::after{
    content:''; position:absolute; top:50%; left:50%; width:16px; height:16px;
    transform:translate(-50%,-50%);
    background:radial-gradient(circle, rgba(255,255,255,0.9) 0%, rgba(0,200,240,0.5) 40%, transparent 75%);
    border-radius:50%; filter:blur(1px);
  }
  .divider-glyph{ display:flex; align-items:center; justify-content:center; gap:14px; margin:0 auto; }
  .divider-glyph .line{width:60px; height:1px; background:linear-gradient(90deg, transparent, var(--line), transparent);}

  /* ---------- Header ---------- */
  header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    background:rgba(4,6,12,0.78);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .nav-wrap{
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 32px;
    max-width:1200px; margin:0 auto;
  }
  .brand{display:flex; align-items:center; gap:12px;}
  .brand img{height:64px; width:auto;}
  .brand-name{font-family:'Rajdhani'; font-weight:700; font-size:19px; letter-spacing:0.06em;}
  .brand-name span{color:var(--cyan);}
  .header-right{display:flex; align-items:center; gap:22px;}
  nav.links{display:flex; gap:28px; align-items:center;}
  nav.links a.navlink{
    font-size:13px; font-weight:600; letter-spacing:0.08em; text-transform:uppercase;
    color:var(--muted); transition:color .2s;
  }
  nav.links a.navlink:hover{color:var(--cyan);}

  .lang-toggle{
    display:flex; align-items:center; gap:6px;
    font-size:12.5px; font-weight:700; letter-spacing:0.05em;
  }
  .lang-toggle button{
    background:none; border:none; color:var(--muted-2); cursor:pointer;
    padding:4px 6px; transition:color .2s;
  }
  .lang-toggle button.active{color:var(--cyan);}
  .lang-toggle .sep{color:var(--line);}

  .btn{
    display:inline-flex; align-items:center; gap:8px;
    padding:12px 26px;
    border-radius:999px;
    font-size:13px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase;
    cursor:pointer; border:1px solid transparent;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  }
  .btn-primary, nav.links a.btn-primary{
    background:linear-gradient(135deg, var(--cyan), var(--cyan-dim));
    color:#ffffff;
    text-shadow:0 1px 2px rgba(0,0,0,0.25);
    box-shadow:0 0 0 rgba(0,200,240,0);
  }
  .btn-primary:hover{transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,200,240,0.35);}
  .btn-outline{ border-color:var(--line); color:var(--text); background:transparent; }
  .btn-outline:hover{border-color:var(--cyan); color:var(--cyan);}
  .btn-sm{padding:9px 18px; font-size:11.5px;}
  .menu-toggle{display:none; flex-direction:column; gap:5px; cursor:pointer; z-index:110;}
  .menu-toggle span{width:24px; height:2px; background:var(--text);}

  /* ---------- Hero ---------- */
  .hero{
    min-height:100vh;
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    text-align:center; padding:140px 32px 80px; position:relative; overflow:hidden;
  }
  .hero-wall{
    position:relative; width:min(720px, 90vw); aspect-ratio:16/7; margin:0 auto 46px;
    border-radius:10px; display:grid; grid-template-columns:repeat(16, 1fr); grid-template-rows:repeat(7, 1fr);
    gap:2px; background:#000; padding:6px;
    box-shadow:0 0 90px rgba(0,200,240,0.28), 0 0 220px rgba(255,153,0,0.10), inset 0 0 40px rgba(0,0,0,0.8);
    border:1px solid rgba(0,200,240,0.25);
  }
  .hero-wall .px{ background:#050a12; border-radius:1px; animation:flicker 3.6s infinite; }
  @keyframes flicker{ 0%,100%{background:#050a12;} 50%{background:var(--px-color, #0a2230);} }
  .eyebrow{
    display:inline-flex; align-items:center; gap:10px;
    font-size:12.5px; font-weight:700; letter-spacing:0.22em; text-transform:uppercase;
    color:var(--amber); margin-bottom:22px;
  }
  .eyebrow .dot{width:6px; height:6px; border-radius:50%; background:var(--amber); box-shadow:0 0 12px var(--amber);}
  .hero h1{
    font-size:clamp(38px, 6.4vw, 82px); max-width:900px;
    background:linear-gradient(180deg, #ffffff 20%, #b9e9f6 100%);
    -webkit-background-clip:text; background-clip:text; color:transparent;
  }
  .hero h1 em{
    font-style:normal; background:linear-gradient(90deg, var(--cyan), var(--teal));
    -webkit-background-clip:text; background-clip:text; color:transparent;
  }
  .hero p.lede{ max-width:620px; margin:26px auto 40px; color:var(--muted); font-size:18px; }
  .hero-ctas{display:flex; gap:16px; flex-wrap:wrap; justify-content:center;}
  .hero-scroll{
    position:absolute; bottom:36px; left:50%; transform:translateX(-50%);
    font-size:11px; letter-spacing:0.2em; text-transform:uppercase; color:var(--muted-2);
    display:flex; flex-direction:column; align-items:center; gap:10px;
  }
  .hero-scroll .stem{width:1px; height:34px; background:linear-gradient(var(--cyan), transparent); animation:pulse-stem 1.8s infinite;}
  @keyframes pulse-stem{0%,100%{opacity:.3;}50%{opacity:1;}}

  .trust-bar{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--bg-panel); }
  .trust-grid{ display:grid; grid-template-columns:repeat(4,1fr); max-width:1200px; margin:0 auto; }
  .trust-item{
    padding:26px 20px; text-align:center; border-right:1px solid var(--line);
    font-size:13.5px; font-weight:600; color:var(--muted);
    display:flex; flex-direction:column; align-items:center; gap:8px;
  }
  .trust-item:last-child{border-right:none;}
  .trust-item strong{color:var(--text); font-family:'Rajdhani'; font-size:15px; letter-spacing:0.03em;}

  .section{padding:120px 0;}
  .section-head{text-align:center; max-width:640px; margin:0 auto 64px;}
  .section-eyebrow{
    font-size:12px; font-weight:700; letter-spacing:0.22em; text-transform:uppercase;
    color:var(--cyan); margin-bottom:14px; display:block;
  }
  .section-head h2{font-size:clamp(30px,4vw,46px); margin-bottom:16px;}
  .section-head p{color:var(--muted); font-size:16.5px;}

  /* ---------- Catalog ---------- */
  .catalog-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:26px; }
  .product-card{
    background:linear-gradient(180deg, var(--bg-panel), var(--bg-panel-2));
    border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
    transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
    display:flex; flex-direction:column;
  }
  .product-card:hover{
    transform:translateY(-6px); border-color:rgba(0,200,240,0.4);
    box-shadow:0 20px 50px rgba(0,0,0,0.5), 0 0 40px rgba(0,200,240,0.08);
  }
  .product-visual{
    aspect-ratio:16/10; position:relative; background:#000000;
    display:flex; align-items:center; justify-content:center; overflow:hidden;
  }
  .product-visual img{
    width:100%; height:100%; object-fit:cover; display:none;
  }
  .product-visual .placeholder-mark{
    display:flex; flex-direction:column; align-items:center; gap:10px; opacity:0.35;
  }
  .product-visual .placeholder-mark .frame-icon{
    width:40px; height:40px; border:1.5px solid var(--muted-2); border-radius:6px; position:relative;
  }
  .product-visual .placeholder-mark .frame-icon::before{
    content:''; position:absolute; left:6px; bottom:6px; width:10px; height:10px;
    border-radius:50%; border:1.5px solid var(--muted-2);
  }
  .product-visual .placeholder-mark .frame-icon::after{
    content:''; position:absolute; right:5px; bottom:6px; width:0; height:0;
    border-left:7px solid transparent; border-right:7px solid transparent;
    border-bottom:9px solid transparent; border-bottom-color:var(--muted-2);
  }
  .product-visual .placeholder-mark span{
    font-size:10.5px; letter-spacing:0.14em; text-transform:uppercase; color:var(--muted-2); font-weight:600;
  }
  .product-badge{
    position:absolute; top:12px; left:12px;
    font-size:10.5px; font-weight:700; letter-spacing:0.1em; text-transform:uppercase;
    padding:5px 11px; border-radius:999px;
    background:rgba(4,6,12,0.75); border:1px solid rgba(0,200,240,0.4); color:var(--cyan);
    z-index:2;
  }
  .video-btn{
    position:absolute; bottom:12px; right:12px; z-index:2;
    display:flex; align-items:center; gap:6px;
    font-size:10.5px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase;
    padding:7px 13px; border-radius:999px; cursor:pointer;
    background:rgba(4,6,12,0.75); border:1px solid var(--line); color:var(--text);
    transition:border-color .2s, color .2s;
  }
  .video-btn:hover{border-color:var(--amber); color:var(--amber);}
  .video-btn .tri{
    width:0; height:0; border-top:4px solid transparent; border-bottom:4px solid transparent;
    border-left:6px solid currentColor;
  }
  .product-body{padding:26px 24px 28px; display:flex; flex-direction:column; gap:12px; flex:1;}
  .product-body h3{font-size:20px; letter-spacing:0.02em;}
  .product-body p.product-desc{color:var(--muted); font-size:14.5px;}
  .product-specs{display:flex; flex-direction:column; gap:6px; margin:6px 0 8px;}
  .product-specs li{ font-size:13px; color:var(--muted); display:flex; align-items:center; gap:8px; }
  .product-specs li::before{ content:''; width:5px; height:5px; border-radius:50%; background:var(--amber); flex-shrink:0; }
  .product-foot{
    margin-top:auto; padding-top:14px; display:flex; align-items:center; justify-content:space-between;
    border-top:1px solid var(--line); gap:10px; flex-wrap:wrap;
  }
  .product-avail{ font-size:11.5px; color:var(--muted-2); text-transform:uppercase; letter-spacing:0.06em; }
  .product-actions{display:flex; gap:14px; align-items:center;}
  .product-actions a.quote-link{ font-size:13px; font-weight:700; letter-spacing:0.05em; text-transform:uppercase; color:var(--cyan); }
  .product-actions a.quote-link:hover{text-decoration:underline;}
  .product-actions a.specs-link{ font-size:12.5px; font-weight:600; color:var(--muted); }
  .product-actions a.specs-link:hover{color:var(--text);}

  /* video modal */
  .video-modal{
    position:fixed; inset:0; z-index:300; background:rgba(2,3,7,0.9);
    display:none; align-items:center; justify-content:center; padding:24px;
    backdrop-filter:blur(6px);
  }
  .video-modal.open{display:flex;}
  .video-modal-inner{
    width:min(880px, 100%); background:#000; border:1px solid var(--line); border-radius:14px; overflow:hidden;
    position:relative;
  }
  .video-modal-inner video{width:100%; display:block; max-height:70vh; background:#000;}
  .video-modal-close{
    position:absolute; top:12px; right:12px; z-index:2;
    width:34px; height:34px; border-radius:50%; background:rgba(4,6,12,0.8); border:1px solid var(--line);
    color:var(--text); cursor:pointer; font-size:16px; display:flex; align-items:center; justify-content:center;
  }
  .video-fallback{ padding:60px 30px; text-align:center; color:var(--muted); font-size:14px; }

  /* ---------- How it works ---------- */
  .steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:30px; position:relative; }
  .step{ background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius); padding:38px 30px; position:relative; }
  .step-num{ font-family:'Rajdhani'; font-weight:700; font-size:15px; color:var(--cyan); letter-spacing:0.1em; margin-bottom:18px; display:flex; align-items:center; gap:10px; }
  .step-num .tick{width:22px; height:2px; background:var(--amber);}
  .step h3{font-size:21px; margin-bottom:10px;}
  .step p{color:var(--muted); font-size:14.5px;}

  /* ---------- Why us ---------- */
  .why-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
  .why-card{background:var(--bg-panel); padding:36px 30px;}
  .why-card .icon{
    width:44px; height:44px; border-radius:10px; margin-bottom:20px;
    display:flex; align-items:center; justify-content:center;
    background:rgba(0,200,240,0.08); border:1px solid rgba(0,200,240,0.25);
    color:var(--cyan); font-size:19px; font-weight:700; font-family:'Rajdhani';
  }
  .why-card h3{font-size:18px; margin-bottom:10px; letter-spacing:0.01em;}
  .why-card p{color:var(--muted); font-size:14px;}

  /* ---------- Contact / Quote ---------- */
  .contact-wrap{ display:grid; grid-template-columns:1.3fr 1fr; gap:50px; background:var(--bg-panel); border:1px solid var(--line); border-radius:20px; padding:56px; }
  .form-group{margin-bottom:20px;}
  .form-row{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
  label{ display:block; font-size:12.5px; font-weight:600; letter-spacing:0.06em; text-transform:uppercase; color:var(--muted); margin-bottom:8px; }
  input, select, textarea{
    width:100%; padding:13px 15px; background:#050810; border:1px solid var(--line); border-radius:8px;
    color:var(--text); font-family:'Inter'; font-size:14.5px; transition:border-color .2s;
  }
  input::placeholder, textarea::placeholder{color:var(--muted-2);}
  input:focus, select:focus, textarea:focus{outline:none; border-color:var(--cyan); box-shadow:0 0 0 3px rgba(0,200,240,0.12);}
  textarea{resize:vertical; min-height:100px;}
  .required{color:var(--amber);}
  .submit-btn{width:100%; padding:16px; font-size:14px; margin-top:6px; border:none; cursor:pointer;}
  .contact-side h3{font-size:22px; margin-bottom:14px;}
  .contact-side > p{color:var(--muted); font-size:14.5px; margin-bottom:30px;}
  .contact-line{ display:flex; gap:16px; align-items:flex-start; margin-bottom:26px; }
  .contact-line .ico{
    width:38px; height:38px; border-radius:9px; flex-shrink:0;
    background:rgba(255,153,0,0.1); border:1px solid rgba(255,153,0,0.3);
    display:flex; align-items:center; justify-content:center; color:var(--amber); font-size:16px;
  }
  .contact-line strong{display:block; font-size:11.5px; letter-spacing:0.1em; text-transform:uppercase; color:var(--muted); margin-bottom:4px;}
  .contact-line span, .contact-line a{font-size:15.5px; font-weight:600;}
  .contact-line a:hover{color:var(--cyan);}
  .map-embed{ margin-top:8px; border-radius:12px; overflow:hidden; border:1px solid var(--line); height:180px; }
  .map-embed iframe{width:100%; height:100%; border:0; filter:invert(0.92) hue-rotate(180deg) grayscale(0.4) brightness(0.95) contrast(0.9);}

  /* ---------- Footer ---------- */
  footer{ border-top:1px solid var(--line); padding:70px 0 28px; background:#03050a; }
  .footer-top{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:50px; padding-bottom:50px; border-bottom:1px solid var(--line); margin-bottom:28px; }
  .footer-brand p{color:var(--muted); font-size:14px; margin:16px 0 20px; max-width:280px;}
  .footer-social{display:flex; gap:12px;}
  .footer-social a{
    width:36px; height:36px; border-radius:9px; border:1px solid var(--line);
    display:flex; align-items:center; justify-content:center; font-size:13px; color:var(--muted);
    transition:border-color .2s, color .2s;
  }
  .footer-social a:hover{border-color:var(--cyan); color:var(--cyan);}
  footer h4{font-size:13px; letter-spacing:0.1em; text-transform:uppercase; color:var(--text); margin-bottom:18px;}
  footer ul li{margin-bottom:11px;}
  footer ul a{color:var(--muted); font-size:14.5px; transition:color .2s;}
  footer ul a:hover{color:var(--cyan);}
  .footer-bottom{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; font-size:13px; color:var(--muted-2); }

  .reveal{opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease;}
  .reveal.in{opacity:1; transform:translateY(0);}

  .toast{
    position:fixed; bottom:28px; right:28px; z-index:200;
    background:var(--bg-panel); border:1px solid var(--cyan); border-radius:12px;
    padding:18px 22px; max-width:320px; box-shadow:0 20px 50px rgba(0,0,0,0.5);
    display:flex; gap:14px; align-items:flex-start;
    transform:translateY(140%); opacity:0; transition:transform .4s ease, opacity .4s ease;
  }
  .toast.show{transform:translateY(0); opacity:1;}
  .toast .ico{color:var(--cyan); font-size:20px;}
  .toast strong{display:block; margin-bottom:4px; font-size:14.5px;}
  .toast p{font-size:13px; color:var(--muted);}

  @media (max-width: 980px){
    .catalog-grid{grid-template-columns:repeat(2,1fr);}
    .contact-wrap{grid-template-columns:1fr; padding:36px;}
    .footer-top{grid-template-columns:1fr; gap:36px;}
    .trust-grid{grid-template-columns:repeat(2,1fr);}
    .trust-item{border-right:1px solid var(--line);}
    .trust-item:nth-child(2n){border-right:none;}
  }
  @media (max-width: 720px){
    nav.links{
      position:fixed; top:0; right:0; height:100vh; width:78vw; max-width:320px;
      background:var(--bg-panel); flex-direction:column; justify-content:center; align-items:flex-start;
      padding:40px; gap:26px; border-left:1px solid var(--line);
      transform:translateX(100%); transition:transform .35s ease;
    }
    nav.links.open{transform:translateX(0);}
    .menu-toggle{display:flex;}
    .nav-wrap .btn-primary{display:none;}
    .catalog-grid{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    .why-grid{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr;}
    .trust-grid{grid-template-columns:1fr;}
    .trust-item{border-right:none; border-bottom:1px solid var(--line);}
  }