:root{
    --bg: #FFFFFF;
    --bg-panel: #F5F8FA;
    --bg-panel-2: #0D0D0D;
    --line: #DDE5EC;
    --line-soft: #E9EFF3;
    --text: #111111;
    --text-dim: #5B6672;
    --text-faint: #8B96A2;
    --accent: #1C75BC;
    --accent-dim: #BBD8ED;
    --accent-2: #124F80;
    --radius: 3px;
    --maxw: 1180px;
  }

  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }
  body{
    margin:0;
    background: var(--bg);
    color: var(--text);
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
  }
  h1,h2,h3{
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1.1;
    margin: 0;
    letter-spacing: -0.01em;
  }
  p{ margin: 0; }
  a{ color: inherit; text-decoration: none; }
  ul{ margin:0; padding:0; list-style:none; }
  img{ max-width:100%; display:block; }
  button{ font-family: inherit; }

  .mono{
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .wrap{
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 20px;
  }

  a:focus-visible, button:focus-visible{
    outline: 2px solid var(--accent);
    outline-offset: 3px;
  }

  /* ---------- header ---------- */
  header{
    position: sticky;
    padding: 20px 0;
    top:0;
    z-index: 100;
    background: rgba(255,255,255,0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line-soft);
  }
  .nav{
    display:flex;
    align-items:center;
    justify-content: space-between;
    height: 20px;
    
  }
  .logo{
    display:flex;
    align-items:center;
    gap:10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 19px;
    color: var(--text);
  }
  .logo-img{
    height: 50px;
    width: auto;
    display:block;
  }
  .logo-fallback{
    display:inline-flex;
    align-items:center;
    gap:10px;
  }
  .logo .dot{
    width:9px; height:9px; border-radius:50%;
    background: var(--accent);
    box-shadow: 0 0 10px 2px rgba(28,145,212,0.45);
    flex-shrink:0;
  }
  .logo .sub{
    color: var(--text-faint);
    font-weight:400;
    font-size:12px;
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing:0.08em;
    padding-left:10px;
    border-left:1px solid var(--line);
    display:none;
  }
  @media(min-width:640px){ .logo .sub{ display:inline; } }

  nav.links{
    display:flex;
    align-items:center;
    gap: 20px;
  }
  nav.links a.navlink{
    font-size: 13.5px;
    color: var(--text-dim);
    transition: color .15s ease;
    white-space:nowrap;
  }
  nav.links a.navlink:hover{ color: var(--text); }

  .btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding: 11px 20px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight:600;
    font-family:'IBM Plex Mono',monospace;
    letter-spacing:0.04em;
    text-transform:uppercase;
    border: 1px solid transparent;
    cursor:pointer;
    transition: all .15s ease;
  }
  .btn-primary{
    background: var(--accent);
    color: #FFFFFF;
  }
  .btn-primary:hover{ background: var(--accent-2); }
  .btn-ghost{
    border-color: var(--line);
    color: var(--text);
    background: transparent;
  }
  .btn-ghost:hover{ border-color: var(--text-faint); }

  .menu-toggle{
    display:none;
    background:none; border:none; color:var(--text);
    padding:6px; cursor:pointer;
  }
  @media(max-width: 1080px){
    nav.links{ display:none; }
    .menu-toggle{ display:block; }
    header.open nav.links{
      display:flex;
      position:absolute;
      top:72px; left:0; right:0;
      background: var(--bg-panel);
      border-bottom:1px solid var(--line);
      flex-direction:column;
      align-items:flex-start;
      padding: 20px 32px 28px;
      gap:18px;
    }
    header.open .btn-primary{ margin-top:6px; }
  }

  /* ---------- hero ---------- */
  .hero{
    position:relative;
    overflow:hidden;
    border-bottom: 1px solid var(--line-soft);
  }
  .hero-grid{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items:t;
  }
  @media(max-width:900px){
    .hero-grid{ grid-template-columns: 1fr; }
    .hero{ padding-top:20px; }
  }
  .eyebrow{
    font-size:12px;
    color: var(--accent);
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom: 20px;
  }
  .eyebrow::before{
    content:"";
    width:20px; height:1px;
    background: var(--accent);
  }
  .hero h1{
    font-size: clamp(34px, 4vw, 50px);
    color: var(--text);
    max-width: 16ch;
  }
  .hero .lead{
    margin-top: 20px;
    font-size: 17px;
    color: var(--text-dim);
    max-width: 50ch;
  }
  .hero .cta-row{
    margin-top: 20px;
    display:flex;
    gap:14px;
    flex-wrap:wrap;
  }
  .diagram-holder{
    position:relative;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: 0 24px 48px -20px rgba(16,107,158,0.25);
  }
  .diagram-holder svg{ width:100%; height:auto; }
  .hero-photo{
    width:100%;
    height:100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display:block;
  }
  .hero-photo-tag{
    position:absolute;
    left:16px;
    bottom:16px;
    background: rgba(11,46,69,0.82);
    color:#fff;
    font-size: 11px;
    padding: 8px 14px;
    border-radius: 999px;
    letter-spacing: 0.08em;
    backdrop-filter: blur(4px);
  }
  .diagram-holder::after{
    content:"";
    position:absolute;
    inset:0;
    background: linear-gradient(180deg, rgba(11,46,69,0) 55%, rgba(11,46,69,0.35) 100%);
    pointer-events:none;
  }

  .stats{
    border-bottom: 1px solid var(--line-soft);
    background: var(--bg-panel);
  }
  .stats .wrap{
    display:grid;
    grid-template-columns: repeat(4,1fr);
    gap: 0;
  }
  .stat{
    padding: 26px 24px;
    border-left: 1px solid var(--line-soft);
  }
  .stat:first-child{ border-left:none; padding-left:0; }
  .stat .num{
    font-family:'Space Grotesk',sans-serif;
    font-size: 24px;
    color: var(--text);
    font-weight:600;
  }
  .stat .label{
    margin-top:6px;
    font-size: 11px;
    color: var(--text-faint);
  }
  @media(max-width:760px){
    .stats .wrap{ grid-template-columns: repeat(2,1fr); row-gap:22px; }
    .stat{ border-left:none; padding-left:0; }
    .stat:nth-child(odd){ padding-right:12px; }
    .stat:nth-child(even){ padding-left:20px; border-left:1px solid var(--line-soft); }
  }

  /* ---------- generic section ---------- */
  section{ padding: 20px 0; }
  .section-head{
    max-width: 640px;
    margin-bottom: 52px;
  }
  .section-head h2{
    font-size: clamp(26px,3vw,36px);
    margin-top: 14px;
  }
  .section-head .eyebrow{ margin-bottom:0; }
  
   /* ---------- internal page hero ---------- */
  .breadcrumb{
    font-size: 12px;
    color: var(--text-faint);
    margin-bottom: 22px;
    display:flex;
    align-items:center;
    gap:8px;
  }
  .breadcrumb a{ color: var(--text-faint); }
  .breadcrumb a:hover{ color: var(--accent); }

  .page-hero{
    border-bottom: 1px solid var(--line-soft);
    background: var(--bg-panel);
  }
  .page-hero h1{
    font-size: clamp(30px, 4vw, 46px);
    max-width: 18ch;
  }
  .page-hero .lead{
    margin-top: 18px;
    font-size: 16.5px;
    color: var(--text-dim);
    max-width: 56ch;
  }
  .page-hero.compact{ }

  /* ---------- produtos ---------- */
  .prod-grid{
    display:grid;
    grid-template-columns: repeat(3, 3fr);
    gap: 1px;
    background: var(--line-soft);
  }
  @media(max-width:760px){ .prod-grid{ grid-template-columns:1fr; } }
  .prod-card{
    background: var(--bg);
    padding: 36px;
    display:flex;
    flex-direction:column;
    min-height: 230px;
    transition: background .15s ease;
  }
  .prod-card:hover{ background: var(--bg-panel); }
  .prod-tag{
    font-size:11px;
    color: var(--accent-2);
    margin-bottom:18px;
  }
  .prod-card h3{
    font-size: 21px;
    color: var(--text);
    margin-bottom: 12px;
  }
  .prod-card p{
    color: var(--text-dim);
    font-size: 14.5px;
    flex-grow:1;
  }
  .prod-card .more{
    margin-top: 22px;
    font-size: 13px;
    font-family:'IBM Plex Mono',monospace;
    color: var(--text);
    display:inline-flex;
    align-items:center;
    gap:6px;
  }
  .prod-card .more svg{ width:13px; height:13px; transition: transform .15s ease; }
  .prod-card:hover .more svg{ transform: translateX(3px); }

  /* ---------- servicos strip ---------- */
  .services{
    background: var(--bg-panel);
    border-top:1px solid var(--line-soft);
    border-bottom:1px solid var(--line-soft);
  }
  .services .inner{
    display:grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 48px;
    align-items:center;
  }
  @media(max-width:800px){ .services .inner{ grid-template-columns:1fr; gap:24px; } }
  .services p{ color:var(--text-dim); font-size:15px; }
  .tag-row{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
  }
  .tag{
    font-size:11.5px;
    padding: 8px 14px;
    border:1px solid var(--line);
    border-radius: 999px;
    color: var(--text-dim);
    font-family:'IBM Plex Mono',monospace;
  }

  /* ---------- sobre ---------- */
  .about-grid{
    display:grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
  }
  @media(max-width:860px){ .about-grid{ grid-template-columns:1fr; gap:36px; } }
  .about-grid h2{ font-size: clamp(26px,3vw,34px); margin-top:14px; }
  .about-grid .lead{
    margin-top:20px;
    color: var(--text-dim);
    font-size:15.5px;
  }
  .about-grid .lead + .lead{ margin-top:14px; }
  .fact-list{ border-top:1px solid var(--line-soft); }
  .fact{
    padding: 18px 0;
    border-bottom:1px solid var(--line-soft);
    display:flex;
    justify-content:space-between;
    gap: 16px;
    font-size: 13.5px;
  }
  .fact .k{ color: var(--text-faint); font-family:'IBM Plex Mono',monospace; font-size:11.5px; }
  .fact .v{ color: var(--text); text-align:right; }

  /* ---------- noticias ---------- */
  .news-grid{
    display:grid;
    grid-template-columns: repeat(3,1fr);
    gap: 28px;
  }
  @media(max-width:860px){ .news-grid{ grid-template-columns:1fr; } }
  .news-card{
    border-top: 1px solid var(--line);
    padding-top: 22px;
  }
  .news-card .cat{
    font-size:11px;
    color: var(--accent);
  }
  .news-card h3{
    margin-top:14px;
    font-size:18px;
    color: var(--text);
  }
  .news-card p{
    margin-top:10px;
    color: var(--text-dim);
    font-size:14px;
  }
  .news-card .more{
    margin-top:16px;
    display:inline-block;
    font-size:13px;
    font-family:'IBM Plex Mono',monospace;
    color: var(--accent-2);
  }

  /* ---------- contato / footer ---------- */
  footer{
    background: var(--bg-panel-2);
    border-top: 1px solid var(--line-soft);
    --text: #F2F7FB;
    --text-dim: #A9C1D2;
    --text-faint: #6E8CA0;
    --line-soft: rgba(255,255,255,0.12);
    color: var(--text);
  }
  footer .eyebrow{ color: #5B9BD9; }
  footer .eyebrow::before{ background: #5B9BD9; }
  footer .btn-ghost{ border-color: rgba(255,255,255,0.35); color: var(--text); }
  footer .btn-ghost:hover{ border-color: rgba(255,255,255,0.7); }
  .contact-grid{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px;
  }
  @media(max-width:860px){ .contact-grid{ grid-template-columns:1fr; gap:40px; padding-top:40px; } }
  .contact-grid h2{ font-size: clamp(26px,3.2vw,38px); margin-top:14px; max-width:20ch; color: var(--text); }
  .contact-grid .lead{ margin-top:18px; color:var(--text-dim); font-size:15.5px; max-width:50ch; }
  .contact-actions{ margin-top:30px; display:flex; gap:14px; flex-wrap:wrap; }

  .info-list{ display:flex; flex-direction:column; gap:22px; }
  .info-item .k{ font-size:11px; color:var(--text-faint); margin-bottom:6px; }
  .info-item .v{ font-size:15px; color:var(--text); }
  .info-item a.v:hover{ color: #5B9BD9; }

  .foot-bottom{
    border-top:1px solid var(--line-soft);
    padding: 20px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:10px;
    font-size:12.5px;
    color: var(--text-faint);
  }

  /* ---------- diagram animation ---------- */
  .flow-line{
    stroke-dasharray: 6 10;
    animation: flow 2.6s linear infinite;
  }
  @keyframes flow{
    to{ stroke-dashoffset: -160; }
  }
  .pulse-node{
    animation: pulse 2.6s ease-in-out infinite;
    transform-origin: center;
  }
  @keyframes pulse{
    0%,100%{ opacity:1; }
    50%{ opacity:0.45; }
  }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    .flow-line, .pulse-node{ animation: none !important; }
  }

  /* ---------- prose / article body ---------- */
  .prose{
    max-width: 68ch;
    font-size: 15.5px;
    color: var(--text-dim);
  }
  .prose p + p{ margin-top: 16px; }
  .prose h2{
    font-size: 22px;
    color: var(--text);
    margin: 40px 0 14px;
  }
  .prose h2:first-child{ margin-top:0; }
  .prose ul{ margin-top: 12px; }
  .prose li{
    position:relative;
    padding-left: 20px;
    margin-bottom: 10px;
  }
  .prose li::before{
    content:"";
    position:absolute;
    left:0; top:9px;
    width:6px; height:1px;
    background: var(--accent);
  }

  /* ---------- two column layout with sidebar ---------- */
  .layout-split{
    display:grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 56px;
    align-items:start;
  }
  @media(max-width:860px){ .layout-split{ grid-template-columns:1fr; gap:36px; } }
  .side-panel{
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    padding: 28px;
    position: sticky;
    top: 96px;
  }
  .side-panel h3{
    font-size: 13px;
    color: var(--text-faint);
    margin-bottom: 16px;
  }
  .side-panel .btn{ width:100%; justify-content:center; margin-top: 6px; }

  /* ---------- module grid (feature lists) ---------- */
  .module-grid{
    display:grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--line-soft);
    border: 1px solid var(--line-soft);
    margin-top: 12px;
  }
  @media(max-width:700px){ .module-grid{ grid-template-columns:1fr; } }
  .module-card{
    background: var(--bg);
    padding: 26px 28px;
  }
  .module-card .num{
    font-family:'IBM Plex Mono',monospace;
    font-size: 12px;
    color: var(--accent);
  }
  .module-card h4{
    font-family:'Space Grotesk',sans-serif;
    font-size: 16.5px;
    color: var(--text);
    margin: 10px 0 8px;
    font-weight:600;
  }
  .module-card p{
    font-size: 14px;
    color: var(--text-dim);
    margin:0;
  }

  /* ---------- client grid ---------- */
  .client-grid{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line-soft);
    border: 1px solid var(--line-soft);
  }
  @media(max-width:760px){ .client-grid{ grid-template-columns: repeat(2,1fr); } }
  @media(max-width:480px){ .client-grid{ grid-template-columns: 1fr; } }
  .client-card{
    background: var(--bg);
    padding: 28px;
  }
  .client-card .name{
    font-family:'Space Grotesk',sans-serif;
    font-size: 16px;
    color: var(--text);
    font-weight:600;
  }
  .client-card .desc{
    margin-top: 8px;
    font-size: 13.5px;
    color: var(--text-dim);
  }
  .client-case{
    margin-top: 56px;
    border-top: 1px solid var(--line-soft);
    padding-top: 40px;
  }
  .client-case .tag{
    display:inline-block;
    margin-bottom:16px;
  }

  /* ---------- simple CTA banner ---------- */
  .cta-banner{
    background: var(--accent);
    padding: 20px 0;
  }
  .cta-banner .wrap{
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:20px;
  }
  .cta-banner h2{
    color:#fff;
    font-size: 24px;
  }
  .cta-banner .btn-primary{
    background:#fff;
    color: var(--accent-2);
  }
  .cta-banner .btn-primary:hover{ background:#F0F8FC; }

  /* ---------- news detail list ---------- */
  .news-list-full{ display:flex; flex-direction:column; }
  .news-list-full .news-row{
    display:grid;
    grid-template-columns: 140px 1fr;
    gap: 28px;
    padding: 32px 0;
    border-top: 1px solid var(--line-soft);
  }
  .news-list-full .news-row:last-child{ border-bottom: 1px solid var(--line-soft); }
  @media(max-width:640px){ .news-list-full .news-row{ grid-template-columns:1fr; gap:10px; } }
  .news-row .date{
    font-size: 12px;
    color: var(--text-faint);
  }
  .news-row h3{ font-size: 19px; color: var(--text); margin-bottom: 10px; }
  .news-row p{ font-size: 14.5px; color: var(--text-dim); max-width: 62ch; }
  .news-row .more{
    display:inline-block;
    margin-top: 12px;
    font-size: 13px;
    font-family:'IBM Plex Mono',monospace;
    color: var(--accent-2);
  }

  /* ---------- contact form-style layout (reuse) ---------- */
  .contact-methods{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line-soft);
    border: 1px solid var(--line-soft);
    margin-top: 12px;
  }
  @media(max-width:760px){ .contact-methods{ grid-template-columns:1fr; } }
  .contact-method{
    background: var(--bg);
    padding: 28px;
  }
  .contact-method .k{
    font-size:11px;
    color: var(--text-faint);
    margin-bottom:8px;
  }
  .contact-method .v{ font-size:15px; color:var(--text); }
  .contact-method a.v:hover{ color: var(--accent-2); }

  .map-frame{
    border: 1px solid var(--line-soft);
    height: 320px;
    margin-top: 40px;
  }
  .map-frame iframe{ width:100%; height:100%; border:0; filter: grayscale(0.15); }

  .navlink.active{ color: var(--text); }
  .navlink.active{ position:relative; }

  /* ---------- expandable module groups (technical pages) ---------- */
  .module-groups{ display:flex; flex-direction:column; gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); margin-top:12px; }
  details.module-group{ background:var(--bg); }
  details.module-group summary{
    list-style:none;
    cursor:pointer;
    padding:20px 24px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    font-family:'Space Grotesk',sans-serif;
    font-weight:600;
    font-size:17px;
    color:var(--text);
  }
  details.module-group summary::-webkit-details-marker{ display:none; }
  details.module-group summary::after{
    content:"+";
    font-family:'IBM Plex Mono',monospace;
    font-size:20px;
    color:var(--accent);
    flex-shrink:0;
    margin-left:16px;
    transition: transform .15s ease;
  }
  details.module-group[open] summary::after{ content:"–"; }
  details.module-group summary:hover{ background:var(--bg-panel); }
  .module-group-body{ padding:0 24px 26px; display:flex; flex-direction:column; gap:20px; }
  .module-item h4{
    font-family:'Space Grotesk',sans-serif;
    font-size:15.5px;
    color:var(--text);
    margin-bottom:6px;
    font-weight:600;
  }
  .module-item p{ font-size:14px; color:var(--text-dim); }

  /* ---------- benefit list ---------- */
  .benefit-list{ display:flex; flex-direction:column; gap:12px; margin-top:16px; }
  .benefit-list li{
    list-style:none;
    padding-left:22px;
    position:relative;
    font-size:14.5px;
    color:var(--text-dim);
  }
  .benefit-list li::before{
    content:"";
    position:absolute; left:0; top:9px;
    width:8px; height:8px;
    border-radius:50%;
    background: var(--accent);
    opacity:0.85;
  }

  /* ---------- final CTA block (quote style) ---------- */
  .final-cta .wrap{
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:20px;
  }
  .final-cta{
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    padding: 0px;
    text-align:left;
    margin-top: 20px;
  }
  .final-cta blockquote{
    margin:0 0 18px;
    font-family:'Space Grotesk',sans-serif;
    font-size: 22px;
    color: var(--text);
    font-weight:600;
    max-width:52ch;
  }

  /* ---------- form ---------- */
  .contact-form{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:24px; }
  .contact-form .full{ grid-column: 1 / -1; }
  .contact-form label{ display:block; font-size:11px; color:var(--text-faint); margin-bottom:6px; font-family:'IBM Plex Mono',monospace; }
  .contact-form input, .contact-form select, .contact-form textarea{
    width:100%;
    border:1px solid var(--line);
    border-radius: var(--radius);
    padding:10px 12px;
    font-family:'IBM Plex Sans',sans-serif;
    font-size:14px;
    color:var(--text);
    background:var(--bg);
  }
  .contact-form textarea{ min-height:110px; resize:vertical; }
  @media(max-width:640px){ .contact-form{ grid-template-columns:1fr; } }