:root{
    --ink-950:#0A1628;
    --gray-800:#0F2B4C;
    --gray-700:#173B63;
    --blue-500:#0FBFAE;
    --blue-400:#3DD9C7;
    --gray-500:#E8A33D;
    --paper:#F6F8FA;
    --paper-dim:#EDF1F4;
    --ink:#0D1520;
    --ink-soft:#4A5A6B;
    --line:#DCE3E9;
    --line-dark:rgba(255,255,255,0.14);
    --radius:2px;
    --maxw:1180px;
  }
  *{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{
    margin:0;
    font-family:'IBM Plex Sans', sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3{
    font-family:'Space Grotesk', sans-serif;
    margin:0;
    letter-spacing:-0.01em;
  }
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:12px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--blue-500);
    display:flex;
    align-items:center;
    gap:10px;
  }
  .eyebrow::before{
    content:"";
    width:22px;
    height:1px;
    background:var(--blue-500);
    display:inline-block;
  }
  a{color:inherit;}
  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
  img,svg{display:block; max-width:100%;}
  button{font-family:inherit;}

  /* ===== NAV ===== */
  header.site{
    position:sticky; top:0; z-index:100;
    background:rgba(10,22,40,0.92);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line-dark);
  }
  nav.wrap{
    display:flex; align-items:center; justify-content:space-between;
    height:76px;
  }
  .logo{
    font-family:'Space Grotesk', sans-serif;
    font-weight:700;
    font-size:22px;
    color:#fff;
    letter-spacing:-0.02em;
    display:flex; align-items:center; gap:10px;
  }
  .logo-mark{height:30px; width:auto;}
  .navlinks{
    display:flex; gap:34px;
    list-style:none; margin:0; padding:0;
  }
  .navlinks a{
    color:#C9D5E0;
    text-decoration:none;
    font-size:14.5px;
    font-weight:500;
    transition:color .2s;
  }
  .navlinks a:hover{color:#fff;}
  .navcta{
    background:var(--blue-500);
    color:var(--ink-950);
    padding:11px 20px;
    font-weight:600;
    font-size:14px;
    text-decoration:none;
    border-radius:var(--radius);
    transition:background .2s;
  }
  .navcta:hover{background:var(--blue-400);}
  .navtoggle{display:none;}

  /* ===== HERO ===== */
  .hero{
    position:relative;
    background:var(--ink-950);
    color:#fff;
    overflow:hidden;
    min-height:640px;
  }
  .hero-slides{
    position:relative;
    width:100%;
    height:640px;
  }
  .slide{
    position:absolute; inset:0;
    opacity:0;
    transition:opacity 1s ease;
    display:flex;
    align-items:center;
  }
  .slide.active{opacity:1;}
  .slide-art{
    position:absolute; inset:0;
    display:flex; align-items:center; justify-content:flex-end;
  }
  .slide-art svg{
    width:62%; height:100%;
    opacity:0.9;
  }
  .hero-gradient{
    position:absolute; inset:0;
    background:linear-gradient(100deg, var(--ink-950) 32%, rgba(10,22,40,0.55) 58%, rgba(10,22,40,0.15) 78%);
    z-index:1;
  }
  .slide-content{
    position:relative; z-index:2;
    max-width:560px;
    padding:0 28px;
    margin-left:calc((100% - var(--maxw))/2 + 0px);
  }
  .slide-tag{
    font-family:'IBM Plex Mono', monospace;
    font-size:12px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--blue-400);
    margin-bottom:18px;
    display:block;
  }
  .slide-content h1{
    font-size:44px;
    line-height:1.12;
    font-weight:600;
    margin-bottom:20px;
  }
  .slide-content p{
    font-size:16.5px;
    color:#C9D5E0;
    max-width:440px;
    margin-bottom:30px;
  }
  .hero-ctas{display:flex; gap:14px; flex-wrap:wrap;}
  .btn-primary{
    background:var(--blue-500);
    color:var(--ink-950);
    padding:14px 26px;
    font-weight:600;
    font-size:14.5px;
    text-decoration:none;
    border-radius:var(--radius);
    border:none;
    cursor:pointer;
    transition:background .2s, transform .2s;
  }
  .btn-primary:hover{background:var(--blue-400); transform:translateY(-1px);}
  .btn-ghost{
    background:transparent;
    color:#fff;
    padding:14px 26px;
    font-weight:600;
    font-size:14.5px;
    text-decoration:none;
    border-radius:var(--radius);
    border:1px solid rgba(255,255,255,0.3);
    transition:border-color .2s, background .2s;
  }
  .btn-ghost:hover{border-color:#fff; background:rgba(255,255,255,0.06);}

  .hero-dots{
    position:absolute; z-index:3; left:0; right:0; bottom:34px;
    display:flex; justify-content:center; gap:10px;
  }
  .hero-dots button{
    width:34px; height:3px;
    background:rgba(255,255,255,0.28);
    border:none; cursor:pointer; padding:0;
    transition:background .3s;
  }
  .hero-dots button.active{background:var(--blue-500);}

  /* ===== NODE DIVIDER (signature element) ===== */
  .node-divider{
    background:var(--ink-950);
    padding:0 0 2px;
  }
  .node-divider svg{width:100%; height:56px; display:block;}

  /* ===== SECTION SHELL ===== */
  section.block{padding:104px 0;}
  .block-head{
    max-width:640px;
    margin-bottom:56px;
  }
  .block-head h2{
    font-size:34px;
    font-weight:600;
    margin-top:14px;
    color:var(--ink-950);
  }
  .block-head p{
    color:var(--ink-soft);
    font-size:16px;
    margin-top:14px;
  }
  section.dark .block-head h2{color:#fff;}
  section.dark .block-head p{color:#C9D5E0;}

  /* ===== SERVICES ===== */
  .svc-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .svc-card{
    background:var(--paper);
    padding:36px 32px;
    transition:background .25s;
  }
  .svc-card:hover{background:#fff;}
  .svc-icon{
    width:44px; height:44px;
    margin-bottom:22px;
    color:var(--blue-500);
  }
  .svc-card h3{
    font-size:18.5px;
    font-weight:600;
    color:var(--ink-950);
    margin-bottom:10px;
  }
  .svc-card p{
    font-size:14.5px;
    color:var(--ink-soft);
    margin:0;
  }
  .svc-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    margin-top:18px;
    font-size:13.5px;
    font-weight:600;
    color:var(--ink-950);
    text-decoration:none;
    padding:9px 16px;
    border:1px solid var(--ink-950);
    border-radius:var(--radius);
    transition:background .2s, color .2s, border-color .2s;
  }
  .svc-link:hover{
    background:var(--blue-500);
    border-color:var(--blue-500);
    color:var(--ink-950);
  }

  /* ===== SOLUTIONS (dark) ===== */
  section.solutions{
    background:var(--ink-950);
    color:#fff;
  }
  .sol-grid{
    display:grid;
    grid-template-columns:repeat(2, 1fr);
    gap:1px;
    background:var(--line-dark);
    border:1px solid var(--line-dark);
  }
  .sol-card{
    background:var(--ink-950);
    padding:34px 32px;
    display:flex;
    gap:20px;
    align-items:flex-start;
  }
  .sol-mark{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    letter-spacing:0.08em;
    color:var(--ink-950);
    background:var(--blue-500);
    padding:4px 8px;
    border-radius:var(--radius);
    white-space:nowrap;
    margin-top:3px;
  }
  .sol-card h3{
    font-size:18px;
    font-weight:600;
    margin-bottom:8px;
  }
  .sol-card p{
    font-size:14.5px;
    color:#AEC0CF;
    margin:0;
  }
  .sol-partner{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    color:var(--blue-400);
    letter-spacing:0.06em;
    text-transform:uppercase;
    margin-bottom:6px;
    display:block;
  }

  /* ===== ABOUT ===== */
  .about-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:32px;
  }
  .about-card{
    border-top:2px solid var(--blue-500);
    padding-top:26px;
  }
  .about-card .num{
    font-family:'IBM Plex Mono', monospace;
    font-size:12px;
    color:var(--gray-500);
    letter-spacing:0.1em;
    margin-bottom:14px;
    display:block;
  }
  .about-card h3{
    font-size:20px;
    font-weight:600;
    color:var(--ink-950);
    margin-bottom:12px;
  }
  .about-card p{
    color:var(--ink-soft);
    font-size:15px;
    margin:0;
  }
  .about-card ul{
    margin:0; padding-left:18px; color:var(--ink-soft); font-size:15px;
  }
  .about-card li{margin-bottom:6px;}

  /* ===== CONTACT ===== */
  section.contact{background:var(--paper-dim);}
  .contact-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:64px;
  }
  .contact-list{list-style:none; margin:0; padding:0;}
  .contact-list li{
    display:flex; gap:16px;
    padding:20px 0;
    border-bottom:1px solid var(--line);
  }
  .contact-list li:first-child{padding-top:0;}
  .contact-list .clabel{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:0.1em;
    color:var(--ink-soft);
    width:110px;
    flex-shrink:0;
    padding-top:2px;
  }
  .contact-list .cval{
    font-size:15.5px;
    color:var(--ink-950);
    font-weight:500;
  }
  .contact-list .cval span{
    display:block; color:var(--ink-soft); font-weight:400; font-size:14px; margin-top:2px;
  }
  form.contact-form{display:flex; flex-direction:column; gap:16px;}
  .field{display:flex; flex-direction:column; gap:8px;}
  .field label{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:0.08em;
    color:var(--ink-soft);
  }
  .field input, .field textarea{
    border:1px solid var(--line);
    background:#fff;
    padding:13px 14px;
    font-family:'IBM Plex Sans', sans-serif;
    font-size:14.5px;
    color:var(--ink);
    border-radius:var(--radius);
    resize:vertical;
  }
  .field input:focus, .field textarea:focus{
    outline:2px solid var(--blue-500);
    outline-offset:1px;
    border-color:var(--blue-500);
  }
  .contact-form button{
    align-self:flex-start;
    margin-top:6px;
  }
  a:focus-visible, button:focus-visible{
    outline:2px solid var(--blue-500);
    outline-offset:2px;
  }

  /* ===== FOOTER ===== */
  footer{
    background:var(--ink-950);
    color:#8FA2B3;
    padding:44px 0 30px;
    font-size:13.5px;
  }
  .foot-row{
    display:flex; justify-content:space-between; align-items:center;
    flex-wrap:wrap; gap:16px;
    border-top:1px solid var(--line-dark);
    padding-top:26px;
  }
  .foot-top{
    display:flex; justify-content:space-between; align-items:flex-start;
    margin-bottom:30px; flex-wrap:wrap; gap:24px;
  }
  .foot-logo{
    font-family:'Space Grotesk', sans-serif;
    font-weight:700; color:#fff; font-size:19px;
    display:flex; align-items:center; gap:9px;
  }
  .foot-tag{max-width:340px; margin-top:10px; color:#8FA2B3;}

  /* ===== RESPONSIVE ===== */
  @media (max-width:900px){
    .svc-grid{grid-template-columns:repeat(2,1fr);}
    .sol-grid{grid-template-columns:1fr;}
    .about-grid{grid-template-columns:1fr; gap:36px;}
    .contact-grid{grid-template-columns:1fr; gap:44px;}
    .slide-content h1{font-size:34px;}
  }
  @media (max-width:680px){
    .navlinks{display:none;}
    .hero-slides{height:auto;}
    .slide{position:relative; display:block;}
    .slide.active{position:relative;}
    .slide:not(.active){display:none;}
    .hero{min-height:auto;}
    .slide-art{position:relative; height:220px; justify-content:center;}
    .slide-art svg{width:88%;}
    .hero-gradient{display:none;}
    .slide-content{margin-left:0; max-width:100%; padding:34px 22px 60px;}
    .hero-dots{bottom:16px;}
    .svc-grid{grid-template-columns:1fr;}
    section.block{padding:70px 0;}
    .block-head h2{font-size:27px;}
  }