:root{
    --bg:#080d1a;
    --bg-soft:#0b1224;
    --surface:#101a33;
    --surface-2:#131f3d;
    --border:rgba(255,255,255,0.08);
    --border-strong:rgba(255,255,255,0.14);
    --orange:#f35220;
    --orange-light:#ff8a52;
    --blue:#2b8fd6;
    --blue-deep:#0c66a2;
    --navy:#0a1d3b;
    --text:#eef2fb;
    --text-muted:#93a0bd;
    --text-dim:#5c6786;
    --radius:16px;
    --maxw:1200px;
    --ease:cubic-bezier(.16,.8,.24,1);
  }

  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
  }

  body{
    background:var(--bg);
    color:var(--text);
    font-family:'DM Sans',sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  h1,h2,h3,h4{
    font-family:'Plus Jakarta Sans',sans-serif;
    font-weight:600;
    letter-spacing:-0.02em;
    line-height:1.1;
  }

  a{color:inherit;text-decoration:none;}
  ul{list-style:none;}
  img{max-width:100%;display:block;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}

  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}

  .eyebrow{
    font-family:'JetBrains Mono',monospace;
    font-size:12px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--orange-light);
    display:inline-flex;
    align-items:center;
    gap:10px;
    margin-bottom:18px;
  }
  .eyebrow::before{
    content:"";
    width:20px;height:1px;
    background:var(--orange-light);
  }

  /* ---------- background texture ---------- */
  .grid-glow{
    position:fixed;
    inset:0;
    z-index:0;
    pointer-events:none;
    background:
      radial-gradient(760px 420px at 82% -10%, rgba(43,143,214,0.16), transparent 60%),
      radial-gradient(700px 500px at -10% 15%, rgba(243,82,32,0.10), transparent 55%);
  }

  /* ---------- nav ---------- */
  header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:100;
    background:rgba(8,13,26,0.72);
    backdrop-filter:blur(14px) saturate(140%);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid transparent;
    transition:border-color .3s var(--ease), background .3s var(--ease);
  }
  header.scrolled{
    border-bottom-color:var(--border);
    background:rgba(8,13,26,0.9);
  }
  nav{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:16px 32px;
    max-width:var(--maxw);
    margin:0 auto;
  }
  .brand{display:flex;align-items:center;gap:10px;}
  .brand img{height:34px;width:auto;}
  .nav-links{
    display:flex;
    align-items:center;
    gap:36px;
  }
  .nav-links a{
    font-size:14.5px;
    font-weight:500;
    color:var(--text-muted);
    transition:color .2s var(--ease);
    position:relative;
  }
  .nav-links a:hover{color:var(--text);}
  .nav-cta{
    display:flex;align-items:center;gap:18px;
  }
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    border-radius:999px;
    font-size:14.5px;
    font-weight:600;
    transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
    white-space:nowrap;
  }
  .btn-primary{
    background:linear-gradient(135deg, var(--orange), #d84315);
    color:#fff;
    box-shadow:0 8px 24px -8px rgba(243,82,32,0.55);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px -8px rgba(243,82,32,0.7);}
  .btn-ghost{
    background:transparent;
    border:1px solid var(--border-strong);
    color:var(--text);
  }
  .btn-ghost:hover{border-color:var(--blue);background:rgba(43,143,214,0.08);}
  .btn-sm{padding:10px 18px;font-size:13.5px;}

  .menu-toggle{
    display:none;
    width:38px;height:38px;
    align-items:center;justify-content:center;
    border-radius:8px;
    border:1px solid var(--border-strong);
  }
  .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{
    content:"";
    display:block;
    width:16px;height:1.5px;
    background:var(--text);
    position:relative;
    transition:.25s var(--ease);
  }
  .menu-toggle span::before{position:absolute;top:-5px;}
  .menu-toggle span::after{position:absolute;top:5px;}

  /* ---------- hero ---------- */
  .hero{
    position:relative;
    padding:180px 0 120px;
    z-index:1;
  }
  .hero .wrap{
    display:grid;
    grid-template-columns:1.05fr 0.95fr;
    gap:40px;
    align-items:center;
  }
  .hero h1{
    font-size:clamp(38px,5.1vw,64px);
    margin-bottom:22px;
  }
  .hero h1 .accent{
    background:linear-gradient(100deg, var(--orange-light), var(--orange) 45%, var(--blue));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero p.lead{
    font-size:18px;
    color:var(--text-muted);
    max-width:520px;
    margin-bottom:36px;
  }
  .hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px;}
  .hero-meta{
    display:flex;
    gap:36px;
    flex-wrap:wrap;
  }
  .hero-meta div{display:flex;flex-direction:column;gap:2px;}
  .hero-meta .num{
    font-family:'Plus Jakarta Sans',sans-serif;
    font-size:26px;
    font-weight:700;
    color:var(--text);
  }
  .hero-meta .lbl{font-size:12.5px;color:var(--text-dim);}

  /* signature: sliding hero showcase */
  .hero-slider{
    position:relative;
    height:460px;
    border-radius:22px;
    border:1px solid var(--border-strong);
    background:linear-gradient(160deg, var(--surface), var(--bg-soft));
    overflow:hidden;
    box-shadow:0 30px 60px -30px rgba(0,0,0,0.7);
  }
  .hero-slider::before{
    content:"";
    position:absolute;
    width:420px;height:420px;
    top:-120px;right:-140px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(43,143,214,0.16), transparent 70%);
    filter:blur(6px);
    pointer-events:none;
  }
  .slide{
    position:absolute;
    inset:0;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:34px;
    opacity:0;
    transform:translateX(24px) scale(0.98);
    transition:opacity .75s var(--ease), transform .75s var(--ease);
    pointer-events:none;
  }
  .slide.active{
    opacity:1;
    transform:translateX(0) scale(1);
    pointer-events:auto;
  }
  .slide svg{width:100%;height:100%;}
  .slide-caption{
    position:absolute;
    left:34px;bottom:60px;
    display:flex;
    flex-direction:column;
    gap:4px;
  }
  .slide-caption .t1{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--orange-light);letter-spacing:0.08em;text-transform:uppercase;}
  .slide-caption .t2{font-size:15.5px;font-weight:600;color:var(--text);}

  .slider-dots{
    position:absolute;
    left:0;right:0;bottom:22px;
    display:flex;
    justify-content:center;
    gap:8px;
    z-index:5;
  }
  .slider-dots button{
    width:8px;height:8px;
    border-radius:50%;
    background:var(--border-strong);
    transition:all .3s var(--ease);
  }
  .slider-dots button.active{
    width:22px;
    border-radius:5px;
    background:linear-gradient(90deg, var(--orange), var(--blue));
  }
  .slider-arrows{
    position:absolute;
    top:50%;left:0;right:0;
    display:flex;
    justify-content:space-between;
    padding:0 14px;
    transform:translateY(-50%);
    z-index:5;
    pointer-events:none;
  }
  .slider-arrows button{
    width:36px;height:36px;
    border-radius:50%;
    background:rgba(8,13,26,0.6);
    border:1px solid var(--border-strong);
    backdrop-filter:blur(6px);
    display:flex;align-items:center;justify-content:center;
    color:var(--text);
    pointer-events:auto;
    transition:.25s var(--ease);
  }
  .slider-arrows button:hover{border-color:var(--blue);color:var(--blue);}

  .hero-social{
    display:flex;
    align-items:center;
    gap:14px;
    margin-top:8px;
  }
  .hero-social span{font-size:12.5px;color:var(--text-dim);}
  .hero-social .social-row a{width:34px;height:34px;}

  /* ---------- section shell ---------- */
  section{position:relative;z-index:1;padding:120px 0;}
  .section-head{
    max-width:640px;
    margin-bottom:64px;
  }
  .section-head h2{font-size:clamp(28px,3.4vw,42px);margin-bottom:16px;}
  .section-head p{color:var(--text-muted);font-size:16.5px;}

  .reveal{
    opacity:0;
    transform:translateY(28px);
    transition:opacity .7s var(--ease), transform .7s var(--ease);
  }
  .reveal.in{opacity:1;transform:translateY(0);}

  /* ---------- about ---------- */
  .about{
    border-top:1px solid var(--border);
    border-bottom:1px solid var(--border);
    background:linear-gradient(180deg, var(--bg-soft), var(--bg));
  }
  .about .wrap{
    display:grid;
    grid-template-columns:0.9fr 1.1fr;
    gap:72px;
    align-items:center;
  }
  .about-copy p{color:var(--text-muted);font-size:16.5px;margin-bottom:18px;}
  .about-stats{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
  }
  .stat-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:26px;
    transition:border-color .3s var(--ease), transform .3s var(--ease);
  }
  .stat-card:hover{border-color:var(--border-strong);transform:translateY(-4px);}
  .stat-card .num{
    font-family:'Plus Jakarta Sans',sans-serif;
    font-size:32px;
    font-weight:700;
    background:linear-gradient(120deg, var(--orange-light), var(--blue));
    -webkit-background-clip:text;background-clip:text;color:transparent;
    margin-bottom:6px;
  }
  .stat-card .lbl{font-size:13.5px;color:var(--text-muted);}

  /* ---------- services ---------- */
  .services-grid{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:20px;
  }
  .service-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:28px 24px;
    transition:transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
    position:relative;
    overflow:hidden;
  }
  .service-card::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(140deg, rgba(243,82,32,0.08), rgba(43,143,214,0.08) 60%, transparent);
    opacity:0;
    transition:opacity .35s var(--ease);
  }
  .service-card:hover{
    transform:translateY(-6px);
    border-color:var(--border-strong);
    background:var(--surface-2);
  }
  .service-card:hover::after{opacity:1;}
  .service-icon{
    width:44px;height:44px;
    border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(43,143,214,0.12);
    border:1px solid var(--border);
    margin-bottom:20px;
    color:var(--blue);
    position:relative;z-index:1;
  }
  .service-card:nth-child(3n+1) .service-icon{color:var(--orange-light);background:rgba(243,82,32,0.12);}
  .service-card h3{font-size:17px;margin-bottom:8px;position:relative;z-index:1;}
  .service-card p{font-size:14px;color:var(--text-muted);position:relative;z-index:1;}

  /* ---------- technologies ---------- */
  .tech-section{
    border-top:1px solid var(--border);
    border-bottom:1px solid var(--border);
    background:var(--bg-soft);
    padding:90px 0;
    overflow:hidden;
  }
  .tech-marquee-wrap{
    position:relative;
    -webkit-mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  }
  .tech-track{
    display:flex;
    gap:16px;
    width:max-content;
    animation:scroll-left 32s linear infinite;
  }
  .tech-track:hover{animation-play-state:paused;}
  @keyframes scroll-left{
    from{transform:translateX(0);}
    to{transform:translateX(-50%);}
  }
  .tech-chip{
    display:flex;
    align-items:center;
    gap:12px;
    padding:14px 22px;
    border:1px solid var(--border);
    border-radius:12px;
    background:var(--surface);
    white-space:nowrap;
  }
  .tech-chip .tdot{
    width:30px;height:30px;
    border-radius:8px;
    display:flex;align-items:center;justify-content:center;
    font-family:'Plus Jakarta Sans',sans-serif;
    font-weight:700;
    font-size:12px;
    color:#fff;
  }
  .tech-chip span.name{font-size:14.5px;font-weight:500;color:var(--text);}

  /* ---------- why choose us ---------- */
  .why-grid{
    display:grid;
    grid-template-columns:repeat(5, 1fr);
    gap:20px;
  }
  .why-card{
    padding:30px 22px;
    border-radius:var(--radius);
    border:1px solid var(--border);
    background:linear-gradient(180deg, var(--surface), transparent);
    text-align:left;
  }
  .why-card .why-icon{
    width:42px;height:42px;
    border-radius:11px;
    display:flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,0.04);
    border:1px solid var(--border);
    margin-bottom:18px;
    color:var(--orange-light);
  }
  .why-card h3{font-size:16px;margin-bottom:8px;}
  .why-card p{font-size:13.5px;color:var(--text-muted);}

  /* ---------- testimonials ---------- */
  .testimonials{
    border-top:1px solid var(--border);
    background:var(--bg-soft);
  }
  .testi-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:22px;
  }
  .testi-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:30px;
    display:flex;
    flex-direction:column;
    gap:18px;
    transition:transform .3s var(--ease), border-color .3s var(--ease);
  }
  .testi-card:hover{transform:translateY(-5px);border-color:var(--border-strong);}
  .testi-stars{display:flex;gap:3px;color:var(--orange-light);}
  .testi-quote{font-size:15px;color:var(--text);line-height:1.65;}
  .testi-person{
    display:flex;
    align-items:center;
    gap:12px;
    margin-top:auto;
    padding-top:6px;
    border-top:1px solid var(--border);
  }
  .testi-avatar{
    width:42px;height:42px;
    border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-family:'Plus Jakarta Sans',sans-serif;
    font-weight:700;
    font-size:14px;
    color:#fff;
    flex-shrink:0;
  }
  .testi-person .tp-name{font-size:14px;font-weight:600;color:var(--text);}
  .testi-person .tp-role{font-size:12.5px;color:var(--text-dim);}

  /* ---------- contact ---------- */
  .contact{
    border-top:1px solid var(--border);
    background:linear-gradient(180deg, var(--bg), var(--bg-soft));
  }
  .contact .wrap{
    display:grid;
    grid-template-columns:1fr 0.8fr;
    gap:60px;
  }
  .contact-form{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:20px;
    padding:40px;
  }
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
  .field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
  .field label{font-size:13px;color:var(--text-muted);}
  .field input, .field textarea{
    background:var(--bg-soft);
    border:1px solid var(--border);
    border-radius:10px;
    padding:13px 16px;
    color:var(--text);
    font-family:'DM Sans',sans-serif;
    font-size:14.5px;
    transition:border-color .2s var(--ease), background .2s var(--ease);
  }
  .field input:focus, .field textarea:focus{
    outline:none;
    border-color:var(--blue);
    background:rgba(43,143,214,0.06);
  }
  .field textarea{resize:vertical;min-height:110px;}
  .form-note{font-size:12.5px;color:var(--text-dim);margin-top:14px;}

  .contact-info{display:flex;flex-direction:column;gap:26px;}
  .info-item{
    display:flex;
    gap:16px;
    padding:22px;
    border:1px solid var(--border);
    border-radius:14px;
    background:var(--surface);
    align-items:flex-start;
  }
  .info-icon{
    width:40px;height:40px;
    border-radius:10px;
    background:rgba(43,143,214,0.12);
    color:var(--blue);
    display:flex;align-items:center;justify-content:center;
    flex-shrink:0;
  }
  .info-item h4{font-size:14px;margin-bottom:4px;}
  .info-item p{font-size:14px;color:var(--text-muted);}
  .social-row{display:flex;gap:12px;margin-top:6px;}
  .social-row a{
    width:38px;height:38px;
    border-radius:10px;
    border:1px solid var(--border);
    display:flex;align-items:center;justify-content:center;
    color:var(--text-muted);
    transition:.25s var(--ease);
  }
  .social-row a:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-3px);}

  /* ---------- footer ---------- */
  footer{
    border-top:1px solid var(--border);
    padding:56px 0 32px;
    background:var(--bg);
  }
  .footer-top{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:40px;
    margin-bottom:48px;
  }
  .footer-brand img{height:30px;margin-bottom:14px;}
  .footer-brand p{font-size:13.5px;color:var(--text-dim);max-width:280px;}
  .footer-col h5{font-size:13px;color:var(--text-muted);margin-bottom:16px;letter-spacing:0.04em;text-transform:uppercase;}
  .footer-col ul li{margin-bottom:11px;}
  .footer-col a{font-size:14px;color:var(--text-dim);transition:color .2s var(--ease);}
  .footer-col a:hover{color:var(--text);}
  .footer-bottom{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding-top:28px;
    border-top:1px solid var(--border);
    font-size:13px;
    color:var(--text-dim);
    flex-wrap:wrap;
    gap:12px;
  }

  /* ---------- responsive ---------- */
  @media (max-width: 980px){
    .hero .wrap{grid-template-columns:1fr;}
    .hero-slider{height:340px;margin-top:20px;}
    .about .wrap{grid-template-columns:1fr;}
    .services-grid{grid-template-columns:repeat(2,1fr);}
    .why-grid{grid-template-columns:repeat(2,1fr);}
    .testi-grid{grid-template-columns:1fr 1fr;}
    .contact .wrap{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr 1fr;}
  }
  @media (max-width: 720px){
    .nav-links{display:none;}
    .menu-toggle{display:flex;}
    .nav-cta .btn-ghost{display:none;}
    section{padding:80px 0;}
    .hero{padding:140px 0 80px;}
    .form-row{grid-template-columns:1fr;}
    .services-grid{grid-template-columns:1fr;}
    .why-grid{grid-template-columns:1fr;}
    .testi-grid{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr;gap:32px;}
  }