:root{
    --primary:#6C3CF0;
    --secondary:#3B82F6;
    --accent:#22D3EE;
    --bg:#050816;
    --bg-alt:#080B1E;
    --surface:rgba(255,255,255,0.04);
    --surface-hi:rgba(255,255,255,0.07);
    --border:rgba(255,255,255,0.09);
    --border-hi:rgba(255,255,255,0.16);
    --text:#F3F5FA;
    --text-dim:#9AA3B8;
    --text-dimmer:#666F87;
    --grad-main: linear-gradient(120deg, var(--primary), var(--secondary) 55%, var(--accent));
    --radius-lg: 22px;
    --radius-md: 14px;
  }
  *{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; transition-duration:0.01ms !important;}
  }
  body{
    background:var(--bg);
    color:var(--text);
    font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
    overflow-x:hidden;
    position:relative;
  }
  ::selection{background:var(--primary); color:#fff;}
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  button{font-family:inherit; cursor:pointer;}

  .display{font-family:'Inter Tight','Inter',sans-serif; letter-spacing:-0.03em;}

  /* ---------- background atmosphere ---------- */
  .bg-field{position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden;}
  .bg-grid{
    position:absolute; inset:-2px;
    background-image:
      linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  }
  .glow-orb{position:absolute; border-radius:50%; filter:blur(90px); opacity:0.55;}
  .glow-orb.o1{width:600px; height:600px; top:-220px; left:-120px; background:radial-gradient(circle, var(--primary), transparent 70%);}
  .glow-orb.o2{width:520px; height:520px; top:120px; right:-160px; background:radial-gradient(circle, var(--secondary), transparent 70%); opacity:0.4;}
  .glow-orb.o3{width:460px; height:460px; bottom:-180px; left:38%; background:radial-gradient(circle, var(--accent), transparent 70%); opacity:0.28;}

  .cursor-glow{
    position:fixed; width:420px; height:420px; border-radius:50%;
    background:radial-gradient(circle, rgba(108,60,240,0.16), transparent 70%);
    pointer-events:none; z-index:1; transform:translate(-50%,-50%);
    left:-500px; top:-500px; transition:left 0.12s linear, top 0.12s linear;
  }

  .wrap{max-width:1240px; margin:0 auto; padding:0 32px; position:relative; z-index:2;}
  section{position:relative; z-index:2;}

  /* ---------- nav ---------- */
  header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    display:flex; justify-content:center; padding-top:18px;
  }
  .nav-shell{
    width:min(1160px, calc(100% - 40px));
    display:flex; align-items:center; justify-content:space-between;
    padding:12px 14px 12px 22px;
    background:rgba(8,11,30,0.6);
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    border:1px solid var(--border);
    border-radius:100px;
    transition:border-color .3s ease, background .3s ease;
  }
  .logo{display:flex; align-items:center; gap:10px; font-weight:800; font-size:17px; letter-spacing:-0.02em;}
  .logo-mark{
    width:30px; height:30px; border-radius:9px;
    background:var(--grad-main);
    display:flex; align-items:center; justify-content:center;
    font-family:'Inter Tight'; font-weight:800; font-size:14px; color:#fff;
    box-shadow:0 0 22px rgba(108,60,240,0.55);
  }
  nav ul{list-style:none; display:flex; gap:30px; align-items:center;}
  nav a{font-size:14px; color:var(--text-dim); font-weight:500; transition:color .2s ease; position:relative;}
  nav a:hover{color:var(--text);}
  .nav-cta{display:flex; align-items:center; gap:10px;}
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    padding:11px 22px; border-radius:100px; font-size:14px; font-weight:600;
    border:1px solid transparent; white-space:nowrap;
    position:relative; overflow:hidden; transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
  }
  .btn-primary{
    background:var(--grad-main); color:#fff;
    box-shadow:0 8px 26px -8px rgba(108,60,240,0.7);
  }
  .btn-primary:hover{transform:translateY(-2px); box-shadow:0 12px 32px -6px rgba(108,60,240,0.85);}
  .btn-ghost{
    background:var(--surface); color:var(--text); border-color:var(--border);
  }
  .btn-ghost:hover{background:var(--surface-hi); border-color:var(--border-hi); transform:translateY(-2px);}
  .btn-sm{padding:9px 16px; font-size:13px;}
  .nav-toggle{
    display:none; width:40px; height:40px; border-radius:11px; border:1px solid var(--border);
    background:var(--surface); flex-direction:column; align-items:center; justify-content:center; gap:5px;
    flex-shrink:0; transition:border-color .25s ease, background .25s ease;
  }
  .nav-toggle span{width:18px; height:1.5px; background:var(--text); border-radius:2px; transition:transform .3s ease, opacity .3s ease;}
  .nav-toggle.active{background:var(--surface-hi); border-color:var(--border-hi);}
  .nav-toggle.active span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
  .nav-toggle.active span:nth-child(2){opacity:0;}
  .nav-toggle.active span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

  .mobile-menu-overlay{
    position:fixed; inset:0; background:rgba(2,4,12,0.6); backdrop-filter:blur(3px);
    z-index:98; opacity:0; pointer-events:none; transition:opacity .35s ease;
  }
  .mobile-menu-overlay.active{opacity:1; pointer-events:auto;}
  .mobile-menu{
    position:fixed; top:0; right:0; height:100vh; width:min(320px, 82vw); z-index:99;
    background:rgba(8,11,30,0.92); backdrop-filter:blur(20px) saturate(140%); -webkit-backdrop-filter:blur(20px) saturate(140%);
    border-left:1px solid var(--border-hi);
    padding:110px 30px 40px; display:flex; flex-direction:column;
    transform:translateX(100%); transition:transform .4s cubic-bezier(.2,.7,.2,1);
  }
  .mobile-menu.active{transform:translateX(0);}
  .mobile-menu ul{list-style:none; display:flex; flex-direction:column; gap:6px;}
  .mobile-menu ul a{
    display:block; padding:14px 4px; font-size:18px; font-weight:600; color:var(--text);
    border-bottom:1px solid var(--border); font-family:'Inter Tight';
  }
  .mobile-menu-actions{display:flex; flex-direction:column; gap:12px; margin-top:auto; padding-top:30px;}
  .mobile-menu-actions .btn{width:100%;}
  body.menu-open{overflow:hidden;}


  /* ---------- eyebrow / section title ---------- */
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-size:12.5px; font-weight:600; letter-spacing:0.06em; text-transform:uppercase;
    color:var(--accent); padding:6px 14px 6px 10px;
    background:var(--surface); border:1px solid var(--border); border-radius:100px;
  }
  .eyebrow::before{content:''; width:6px; height:6px; border-radius:50%; background:var(--accent); box-shadow:0 0 10px var(--accent);}
  .section-head{max-width:640px; margin-bottom:56px;}
  .section-head.center{margin-left:auto; margin-right:auto; text-align:center;}
  .section-title{font-size:clamp(28px,4vw,42px); font-weight:800; line-height:1.12; margin-top:18px; letter-spacing:-0.03em;}
  .section-sub{margin-top:16px; color:var(--text-dim); font-size:16.5px; line-height:1.65;}
  .grad-text{background:var(--grad-main); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;}

  /* ---------- reveal ---------- */
  .reveal{opacity:0; transform:translateY(26px); transition:opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);}
  .reveal.in{opacity:1; transform:translateY(0);}
  .reveal-d1{transition-delay:.08s;} .reveal-d2{transition-delay:.16s;} .reveal-d3{transition-delay:.24s;} .reveal-d4{transition-delay:.32s;}

  /* ---------- hero ---------- */
  .hero{padding:180px 0 120px; min-height:92vh; display:flex; align-items:center;}
  .hero-inner{display:grid; grid-template-columns:1.05fr 0.95fr; gap:40px; align-items:center;}
  .hero-title{font-size:clamp(40px,5.6vw,68px); font-weight:900; line-height:1.04; letter-spacing:-0.035em; margin-top:22px;}
  .hero-title .line2{display:block;}
  .hero-sub{margin-top:24px; font-size:18px; line-height:1.7; color:var(--text-dim); max-width:480px;}
  .hero-actions{display:flex; gap:14px; margin-top:38px; flex-wrap:wrap;}
  .hero-meta{display:flex; gap:34px; margin-top:56px; flex-wrap:wrap;}
  .hero-meta div b{display:block; font-size:22px; font-weight:800; font-family:'Inter Tight';}
  .hero-meta div span{font-size:13px; color:var(--text-dimmer);}

  /* signature: orbiting product graph */
  .orbit-stage{position:relative; height:520px;}
  .orbit-ring{position:absolute; border:1px solid var(--border); border-radius:50%; top:50%; left:50%;}
  .orbit-ring.r1{width:340px; height:340px; margin:-170px 0 0 -170px;}
  .orbit-ring.r2{width:460px; height:460px; margin:-230px 0 0 -230px; border-style:dashed; border-color:rgba(255,255,255,0.06);}
  .orbit-core{
    position:absolute; top:50%; left:50%; width:112px; height:112px; margin:-56px 0 0 -56px;
    border-radius:26px; background:var(--grad-main);
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 0 60px rgba(108,60,240,0.65), inset 0 0 24px rgba(255,255,255,0.25);
    animation:pulse 4.5s ease-in-out infinite;
  }
  .orbit-core span{font-family:'Inter Tight'; font-weight:800; color:#fff; font-size:15px;}
  @keyframes pulse{0%,100%{box-shadow:0 0 60px rgba(108,60,240,0.65), inset 0 0 24px rgba(255,255,255,0.25);} 50%{box-shadow:0 0 84px rgba(108,60,240,0.85), inset 0 0 28px rgba(255,255,255,0.35);}}
  .node{
    position:absolute; padding:10px 16px; border-radius:14px;
    background:rgba(255,255,255,0.055); backdrop-filter:blur(14px);
    border:1px solid var(--border-hi); font-size:12.5px; font-weight:600;
    display:flex; align-items:center; gap:8px; white-space:nowrap;
    animation:float 7s ease-in-out infinite;
    box-shadow:0 12px 30px -12px rgba(0,0,0,0.6);
  }
  .node i{width:7px; height:7px; border-radius:50%; display:inline-block;}
  .node.n1{top:8%; left:2%; animation-delay:0s;}
  .node.n2{top:4%; right:4%; animation-delay:1.1s;}
  .node.n3{top:44%; left:-6%; animation-delay:2.1s;}
  .node.n4{top:48%; right:-8%; animation-delay:.6s;}
  .node.n5{bottom:10%; left:8%; animation-delay:1.8s;}
  .node.n6{bottom:6%; right:6%; animation-delay:2.6s;}
  @keyframes float{0%,100%{transform:translateY(0);} 50%{transform:translateY(-12px);}}
  .orbit-stage svg{position:absolute; inset:0; width:100%; height:100%;}
  .orbit-stage svg path{stroke:url(#lineGrad); stroke-width:1; fill:none; opacity:0.5; stroke-dasharray:4 6;}

  /* ---------- logos ---------- */
  .logos-strip{padding:44px 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
  .logos-label{font-size:12.5px; color:var(--text-dimmer); text-transform:uppercase; letter-spacing:0.08em; margin-bottom:26px; text-align:center;}
  .logos-row{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:28px; opacity:0.7;}
  .logos-row span{font-family:'Inter Tight'; font-weight:700; font-size:17px; color:var(--text-dim); letter-spacing:-0.01em;}

  /* ---------- stats ---------- */
  .stats{padding:100px 0 40px;}
  .stats-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden;}
  .stat-cell{background:var(--bg-alt); padding:36px 28px;}
  .stat-num{font-family:'Inter Tight'; font-weight:800; font-size:38px; letter-spacing:-0.02em;}
  .stat-label{margin-top:8px; font-size:13.5px; color:var(--text-dim);}

  /* ---------- generic card ---------- */
  .card{
    background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
    padding:30px; transition:transform .35s cubic-bezier(.2,.7,.2,1), border-color .35s ease, background .35s ease, box-shadow .35s ease;
    position:relative; overflow:hidden;
  }
  .card::before{
    content:''; position:absolute; inset:0; border-radius:inherit; padding:1px;
    background:var(--grad-main); opacity:0; transition:opacity .35s ease;
    -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite:xor; mask-composite:exclude; pointer-events:none;
  }
  .card:hover{transform:translateY(-6px); border-color:transparent; background:var(--surface-hi); box-shadow:0 24px 48px -20px rgba(0,0,0,0.55);}
  .card:hover::before{opacity:1;}

  /* ---------- services ---------- */
  .services{padding:120px 0;}
  .services-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
  .service-icon{
    width:46px; height:46px; border-radius:13px; display:flex; align-items:center; justify-content:center;
    background:linear-gradient(135deg, rgba(108,60,240,0.22), rgba(34,211,238,0.14)); border:1px solid var(--border-hi);
    margin-bottom:20px; font-size:20px;
  }
  .service-title{font-family:'Inter Tight'; font-weight:700; font-size:18.5px; margin-bottom:10px; letter-spacing:-0.01em;}
  .service-desc{font-size:14.5px; color:var(--text-dim); line-height:1.65; margin-bottom:18px;}
  .service-link{font-size:13.5px; font-weight:600; color:var(--accent); display:inline-flex; align-items:center; gap:6px;}
  .service-link svg{transition:transform .25s ease;}
  .card:hover .service-link svg{transform:translateX(4px);}

  /* ---------- why us ---------- */
  .why{padding:100px 0; background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
  .why-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:60px; align-items:start;}
  .why-list{display:flex; flex-direction:column; gap:2px; margin-top:8px;}
  .why-item{display:flex; gap:18px; padding:22px 4px; border-bottom:1px solid var(--border);}
  .why-item:last-child{border-bottom:none;}
  .why-num{font-family:'Inter Tight'; font-weight:800; font-size:14px; color:var(--text-dimmer); padding-top:2px;}
  .why-item h4{font-family:'Inter Tight'; font-weight:700; font-size:16.5px; margin-bottom:6px;}
  .why-item p{font-size:14px; color:var(--text-dim); line-height:1.6;}

  /* ---------- team ---------- */
  .team{padding:120px 0;}
  .team-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px;}
  .team-card{
    background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
    overflow:hidden; text-align:center; transition:transform .35s cubic-bezier(.2,.7,.2,1), border-color .35s ease, background .35s ease;
  }
  .team-card:hover{transform:translateY(-6px); border-color:var(--border-hi); background:var(--surface-hi);}
  .team-photo{
    height:300px; position:relative; overflow:hidden;
    display:flex; align-items:center; justify-content:center;
    background:linear-gradient(150deg, rgba(108,60,240,0.28), rgba(34,211,238,0.14));
  }
  .team-photo .initials{
    width:88px; height:88px; border-radius:50%; background:var(--grad-main);
    display:flex; align-items:center; justify-content:center;
    font-family:'Inter Tight'; font-weight:800; font-size:26px; color:#fff;
    box-shadow:0 0 40px rgba(108,60,240,0.55);
  }
  .team-photo img{width:100%; height:100%; object-fit:cover; }
  .team-body{padding:22px 20px 26px;}
  .team-name{font-family:'Inter Tight'; font-weight:700; font-size:17px;}
  .team-role{font-size:13px; color:var(--accent); margin-top:4px; font-weight:600;}
  .team-bio{font-size:13px; color:var(--text-dim); margin-top:10px; line-height:1.6;}
  .team-social{display:flex; gap:8px; justify-content:center; margin-top:16px;}
  .team-social a{
    width:32px; height:32px; border-radius:9px; background:var(--surface-hi); border:1px solid var(--border);
    display:flex; align-items:center; justify-content:center; font-size:12px; color:var(--text-dim);
    transition:all .25s ease;
  }
  .team-social a:hover{color:#fff; border-color:var(--border-hi); transform:translateY(-3px); background:var(--grad-main);}
  @media (max-width: 980px){ .team-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width: 640px){ .team-grid{grid-template-columns:1fr;} }

  /* ---------- portfolio ---------- */
  .portfolio{padding:120px 0;}
  .filter-row{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:40px;}
  .filter-btn{
    padding:9px 18px; border-radius:100px; font-size:13.5px; font-weight:600; color:var(--text-dim);
    background:var(--surface); border:1px solid var(--border); transition:all .25s ease;
  }
  .filter-btn.active, .filter-btn:hover{color:#fff; border-color:var(--border-hi); background:var(--surface-hi);}
  .filter-btn.active{background:var(--grad-main); border-color:transparent;}
  .portfolio-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:22px;}
  .proj-card{border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--border); background:var(--surface); transition:transform .4s cubic-bezier(.2,.7,.2,1), border-color .35s ease;}
  .proj-card:hover{transform:translateY(-6px); border-color:var(--border-hi);}
  .proj-thumb{
    height:230px; position:relative; overflow:hidden;
    display:flex; align-items:center; justify-content:center;
  }
  .proj-thumb .mock{
    width:78%; height:70%; border-radius:12px; background:rgba(255,255,255,0.06);
    border:1px solid var(--border-hi); backdrop-filter:blur(6px);
    display:flex; flex-direction:column; overflow:hidden; transition:transform .5s ease;
  }
  .proj-card:hover .proj-thumb .mock{transform:translateY(-8px) scale(1.02);}
  .mock-bar{height:22px; background:rgba(255,255,255,0.06); display:flex; align-items:center; gap:5px; padding:0 10px; flex-shrink:0;}
  .mock-bar i{width:6px; height:6px; border-radius:50%; background:rgba(255,255,255,0.25);}
  .mock-body{flex:1; padding:14px; display:flex; flex-direction:column; gap:8px;}
  .mock-body .b1{width:60%; height:9px; border-radius:4px;}
  .mock-body .b2{width:90%; height:6px; border-radius:4px; background:rgba(255,255,255,0.1);}
  .mock-body .b3{width:75%; height:6px; border-radius:4px; background:rgba(255,255,255,0.1);}
  .mock-body .blocks{display:flex; gap:8px; margin-top:6px;}
  .mock-body .blocks span{flex:1; height:34px; border-radius:6px; background:rgba(255,255,255,0.08);}
  .proj-body{padding:24px 26px 28px;}
  .proj-tag{font-size:11.5px; text-transform:uppercase; letter-spacing:0.07em; color:var(--accent); font-weight:700;}
  .proj-title{font-family:'Inter Tight'; font-weight:700; font-size:20px; margin-top:8px;}
  .proj-desc{font-size:14px; color:var(--text-dim); margin-top:8px; line-height:1.6;}
  .proj-foot{display:flex; justify-content:space-between; align-items:center; margin-top:18px;}
  .proj-stack{display:flex; gap:6px; flex-wrap:wrap;}
  .chip{font-size:11px; padding:4px 10px; border-radius:100px; background:var(--surface-hi); border:1px solid var(--border); color:var(--text-dim);}

  /* ---------- process ---------- */
  .process{padding:120px 0; background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
  .timeline{position:relative; margin-top:20px;}
  .timeline::before{content:''; position:absolute; left:27px; top:8px; bottom:8px; width:1px; background:linear-gradient(var(--border), var(--border-hi), var(--border));}
  .tl-item{display:flex; gap:26px; padding:26px 0; position:relative;}
  .tl-dot{
    width:56px; height:56px; border-radius:16px; flex-shrink:0; z-index:2;
    background:var(--bg-alt); border:1px solid var(--border-hi);
    display:flex; align-items:center; justify-content:center;
    font-family:'Inter Tight'; font-weight:800; font-size:15px; color:var(--accent);
  }
  .tl-content h4{font-family:'Inter Tight'; font-weight:700; font-size:18px; margin-bottom:6px;}
  .tl-content p{font-size:14.5px; color:var(--text-dim); line-height:1.65; max-width:560px;}

  /* ---------- testimonials ---------- */
  .testimonials{padding:120px 0;}
  .test-track-wrap{overflow:hidden; position:relative; margin-top:10px;}
  .test-track{display:flex; gap:20px; transition:transform .6s cubic-bezier(.2,.7,.2,1);}
  .test-card{min-width:calc(33.333% - 14px); background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:28px;}
  .stars{color:var(--accent); font-size:14px; letter-spacing:2px; margin-bottom:16px;}
  .test-quote{font-size:15px; line-height:1.7; color:var(--text); margin-bottom:22px;}
  .test-person{display:flex; align-items:center; gap:12px;}
  .avatar{width:38px; height:38px; border-radius:50%; background:var(--grad-main); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:13px; color:#fff;}
  .test-person div b{font-size:13.5px; display:block;}
  .test-person div span{font-size:12px; color:var(--text-dimmer);}
  .test-controls{display:flex; gap:10px; justify-content:center; margin-top:34px;}
  .test-dot{width:8px; height:8px; border-radius:50%; background:var(--border-hi); transition:all .3s ease; cursor:pointer;}
  .test-dot.active{background:var(--grad-main); width:24px; border-radius:100px;}

  /* ---------- stack ---------- */
  .stack{padding:100px 0 120px;}
  .stack-grid{display:grid; grid-template-columns:repeat(6,1fr); gap:14px; margin-top:10px;}
  .stack-pill{
    padding:20px 14px; text-align:center; border-radius:var(--radius-md);
    background:var(--surface); border:1px solid var(--border); font-size:13px; font-weight:600; color:var(--text-dim);
    transition:all .3s ease;
  }
  .stack-pill:hover{color:#fff; border-color:var(--border-hi); background:var(--surface-hi); transform:translateY(-3px);}

  /* ---------- faq ---------- */
  .faq{padding:120px 0; background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
  .faq-list{max-width:760px; margin:0 auto;}
  .faq-item{border-bottom:1px solid var(--border);}
  .faq-q{
    width:100%; display:flex; justify-content:space-between; align-items:center; gap:20px;
    padding:24px 4px; background:transparent; border:none; color:var(--text); text-align:left;
    font-size:16px; font-weight:600; font-family:'Inter Tight';
  }
  .faq-q .plus{width:22px; height:22px; flex-shrink:0; position:relative;}
  .faq-q .plus::before, .faq-q .plus::after{content:''; position:absolute; background:var(--text-dim); transition:transform .3s ease, background .3s ease;}
  .faq-q .plus::before{width:100%; height:1.5px; top:50%; left:0; transform:translateY(-50%);}
  .faq-q .plus::after{height:100%; width:1.5px; left:50%; top:0; transform:translateX(-50%);}
  .faq-item.open .faq-q .plus::after{transform:translateX(-50%) rotate(90deg); opacity:0;}
  .faq-item.open .faq-q .plus::before{background:var(--accent);}
  .faq-a{max-height:0; overflow:hidden; transition:max-height .4s ease;}
  .faq-a p{padding:0 4px 24px; font-size:14.5px; color:var(--text-dim); line-height:1.7; max-width:640px;}

  /* ---------- final cta ---------- */
  .final-cta{padding:100px 0 130px;}
  .cta-panel{
    position:relative; border-radius:32px; padding:80px 60px; text-align:center; overflow:hidden;
    background:radial-gradient(120% 140% at 50% 0%, rgba(108,60,240,0.35), rgba(5,8,22,0.1) 60%), var(--bg-alt);
    border:1px solid var(--border-hi);
  }
  .cta-panel::before{
    content:''; position:absolute; width:500px; height:500px; border-radius:50%; top:-260px; left:50%; transform:translateX(-50%);
    background:radial-gradient(circle, rgba(34,211,238,0.22), transparent 70%); filter:blur(20px);
  }
  .cta-panel h2{font-size:clamp(30px,4.4vw,46px); font-weight:800; letter-spacing:-0.03em; position:relative; z-index:2;}
  .cta-panel p{margin:18px auto 34px; color:var(--text-dim); max-width:480px; position:relative; z-index:2;}
  .cta-panel .hero-actions{justify-content:center; position:relative; z-index:2;}

  /* ---------- contact ---------- */
  .contact{padding:120px 0;}
  .contact-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:50px;}
  .contact-info-card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:32px;}
  .contact-row{display:flex; gap:14px; align-items:flex-start; padding:16px 0; border-bottom:1px solid var(--border);}
  .contact-row:last-child{border-bottom:none;}
  .contact-row .ic{width:38px; height:38px; border-radius:11px; background:var(--surface-hi); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; flex-shrink:0;}
  .contact-row b{font-size:14px; display:block;}
  .contact-row span{font-size:13px; color:var(--text-dim);}
  .social-row{display:flex; gap:10px; margin-top:24px;}
  .social-row a{width:38px; height:38px; border-radius:11px; background:var(--surface-hi); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:700; transition:all .25s ease;}
  .social-row a:hover{border-color:var(--border-hi); transform:translateY(-3px);}
  .map-placeholder{
    margin-top:20px; height:120px; border-radius:14px; border:1px dashed var(--border-hi);
    background:repeating-linear-gradient(135deg, rgba(255,255,255,0.02) 0 10px, transparent 10px 20px);
    display:flex; align-items:center; justify-content:center; font-size:12.5px; color:var(--text-dimmer);
  }
  .form-card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:36px;}
  .form-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
  .field{margin-bottom:16px;}
  .field.full{grid-column:1/-1;}
  .field label{font-size:12.5px; font-weight:600; color:var(--text-dim); display:block; margin-bottom:8px;}
  .field input, .field select, .field textarea{
    width:100%; background:rgba(255,255,255,0.03); border:1px solid var(--border); border-radius:11px;
    padding:12px 14px; color:var(--text); font-size:14px; font-family:inherit; transition:border-color .25s ease, background .25s ease;
  }
  .field input:focus, .field select:focus, .field textarea:focus{outline:none; border-color:var(--accent); background:rgba(255,255,255,0.05);}
  .field textarea{resize:vertical; min-height:110px;}
  .form-note{font-size:12.5px; color:var(--text-dimmer); margin-top:14px;}

  /* ---------- footer ---------- */
  footer{padding:70px 0 34px; border-top:1px solid var(--border);}
  .footer-top{display:grid; grid-template-columns:1.3fr repeat(3,1fr); gap:40px; padding-bottom:50px;}
  .footer-brand p{font-size:13.5px; color:var(--text-dim); margin-top:16px; max-width:280px; line-height:1.6;}
  .footer-col h5{font-size:12.5px; text-transform:uppercase; letter-spacing:0.06em; color:var(--text-dimmer); margin-bottom:16px;}
  .footer-col ul{list-style:none; display:flex; flex-direction:column; gap:10px;}
  .footer-col a{font-size:14px; color:var(--text-dim); transition:color .2s ease;}
  .footer-col a:hover{color:var(--text);}
  .newsletter{display:flex; gap:8px; margin-top:16px;}
  .newsletter input{flex:1; background:rgba(255,255,255,0.03); border:1px solid var(--border); border-radius:10px; padding:10px 12px; color:var(--text); font-size:13px;}
  .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-dimmer); flex-wrap:wrap; gap:12px;}

  /* ---------- magnetic ---------- */
  .magnetic{transition:transform .25s cubic-bezier(.2,.7,.2,1);}

  /* ---------- responsive ---------- */
  @media (max-width: 980px){
    nav ul{display:none;}
    .nav-toggle{display:flex;}
    .hero-inner{grid-template-columns:1fr;}
    .orbit-stage{height:380px; margin-top:20px;}
    .stats-grid{grid-template-columns:repeat(2,1fr);}
    .services-grid{grid-template-columns:repeat(2,1fr);}
    .why-grid{grid-template-columns:1fr; gap:30px;}
    .portfolio-grid{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr 1fr; gap:32px;}
    .contact-grid{grid-template-columns:1fr;}
    .stack-grid{grid-template-columns:repeat(3,1fr);}
    .test-card{min-width:calc(100% - 0px);}
  }
  @media (max-width: 640px){
    .wrap{padding:0 20px;}
    .hero{padding:150px 0 80px;}
    .services-grid{grid-template-columns:1fr;}
    .stats-grid{grid-template-columns:1fr;}
    .form-grid{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr;}
    .stack-grid{grid-template-columns:repeat(2,1fr);}
    .cta-panel{padding:56px 26px;}
    .nav-shell .btn-ghost.hide-mobile{display:none;}
  }