:root{
    --bg: #14171a;
    --bg-elev: #1d2227;
    --bg-elev-2: #262d33;
    --line: rgba(242,240,234,0.14);
    --line-strong: rgba(242,240,234,0.28);
    --text: #f2f0ea;
    --text-dim: #a7afb6;
    --amber: #ffb020;
    --amber-deep: #d98812;
    --steel: #6f9bc9;
    --radius: 2px;
    --maxw: 1180px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:'Public Sans', sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.display{
    font-family:'Oswald', sans-serif;
    text-transform:uppercase;
    letter-spacing:0.01em;
    font-weight:600;
    line-height:1.08;
  }
  .mono{ font-family:'IBM Plex Mono', monospace; }
  a{ color:inherit; text-decoration:none; }
  img,svg{ display:block; max-width:100%; }
  .wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
  ::selection{ background:var(--amber); color:#14171a; }
  :focus-visible{ outline:2px solid var(--amber); outline-offset:3px; }

  /* eyebrow label */
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:12.5px;
    letter-spacing:0.16em;
    text-transform:uppercase;
    color:var(--amber);
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:16px;
  }
  .eyebrow::before{
    content:"";
    width:22px; height:1px;
    background:var(--amber);
    display:inline-block;
  }

  /* lane-line divider — recurring signature motif */
  .lane{
    position:relative;
    height:26px;
    overflow:hidden;
  }
  .lane::before{
    content:"";
    position:absolute;
    top:50%; left:0; right:0;
    height:2px;
    transform:translateY(-50%);
    background-image:repeating-linear-gradient(90deg, var(--amber) 0 26px, transparent 26px 46px);
    background-size:72px 2px;
    animation:lane-move 4.5s linear infinite;
    opacity:0.55;
  }
  @keyframes lane-move{ from{background-position:0 0;} to{background-position:-144px 0;} }
  @media (prefers-reduced-motion: reduce){
    .lane::before{ animation:none; }
  }

  /* ===== NAV ===== */
  header{
    position:fixed; top:0; left:0; right:0; z-index:50;
    background:rgba(20,23,26,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav.wrap{
    display:flex; align-items:center; justify-content:space-between;
    height:76px;
  }
  .logo{
    font-family:'Oswald', sans-serif;
    font-weight:700;
    font-size:22px;
    letter-spacing:0.02em;
    display:flex; align-items:center; gap:10px;
  }
  .logo .dot{
    width:9px; height:9px; background:var(--amber); border-radius:50%;
    box-shadow:0 0 0 4px rgba(255,176,32,0.18);
  }
  .navlinks{ display:flex; align-items:center; gap:34px; }
  .navlinks a{
    font-size:14px; color:var(--text-dim); font-weight:500;
    transition:color .15s ease;
  }
  .navlinks a:hover{ color:var(--text); }
  .navphone{
    font-family:'IBM Plex Mono', monospace; font-size:13px; color:var(--text-dim);
  }
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    padding:13px 22px;
    font-family:'IBM Plex Mono', monospace;
    font-size:13px; letter-spacing:0.04em; text-transform:uppercase;
    border-radius:var(--radius);
    cursor:pointer;
    border:1px solid transparent;
    transition:transform .15s ease, background .15s ease, border-color .15s ease;
    white-space:nowrap;
  }
  .btn:hover{ transform:translateY(-1px); }
  .btn-primary{ background:var(--amber); color:#14171a; font-weight:600; }
  .btn-primary:hover{ background:#ffc04d; }
  .btn-outline{ border-color:var(--line-strong); color:var(--text); }
  .btn-outline:hover{ border-color:var(--amber); color:var(--amber); }
  .navcta{ display:flex; align-items:center; gap:18px; }
  .burger{ display:none; }

  /* ===== HERO ===== */
  .hero{
    position:relative;
    padding:172px 0 90px;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .hero-grid{
    display:grid;
    grid-template-columns:1.1fr 0.9fr;
    gap:40px;
    align-items:center;
  }
  .hero h1{
    font-size:clamp(38px, 5.4vw, 64px);
    margin-bottom:22px;
  }
  .hero h1 .accent{ color:var(--amber); }
  .hero p.lead{
    font-size:17.5px;
    color:var(--text-dim);
    max-width:46ch;
    margin-bottom:34px;
  }
  .hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:52px; }
  .stat-row{ display:flex; gap:38px; flex-wrap:wrap; }
  .stat{ font-family:'IBM Plex Mono', monospace; }
  .stat .num{ font-size:14px; color:var(--amber); letter-spacing:0.04em; }
  .stat .label{ font-size:11.5px; color:var(--text-dim); letter-spacing:0.08em; text-transform:uppercase; margin-top:3px; }

  /* route path animation in hero */
  .route-visual{ position:relative; height:420px; }
  .route-visual svg{ width:100%; height:100%; }
  .route-path{
    fill:none; stroke:var(--line-strong); stroke-width:2; stroke-dasharray:8 10;
  }
  .route-progress{
    fill:none; stroke:var(--amber); stroke-width:2.5;
    stroke-dasharray:900; stroke-dashoffset:900;
    animation:draw 4s ease-in-out infinite;
  }
  @keyframes draw{
    0%{ stroke-dashoffset:900; }
    45%{ stroke-dashoffset:0; }
    75%{ stroke-dashoffset:0; opacity:1;}
    100%{ stroke-dashoffset:-900; opacity:0.4;}
  }
  .route-node{ fill:var(--bg); stroke:var(--text-dim); stroke-width:1.5; }
  .route-node.hub{ stroke:var(--amber); }
  .route-label{ font-family:'IBM Plex Mono', monospace; font-size:10.5px; fill:var(--text-dim); letter-spacing:0.04em; }
  @media (prefers-reduced-motion: reduce){
    .route-progress{ animation:none; stroke-dashoffset:0; }
  }

  section{ padding:96px 0; }
  .section-head{ max-width:640px; margin-bottom:56px; }
  .section-head h2{ font-size:clamp(28px, 3.4vw, 40px); }

  /* ===== SERVICES ===== */
  .services-grid{
    display:grid; grid-template-columns:repeat(4, 1fr); gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .service-card{
    background:var(--bg);
    padding:34px 26px;
    position:relative;
    transition:background .2s ease;
  }
  .service-card:hover{ background:var(--bg-elev); }
  .service-card:hover::before{ opacity:1; }
  .service-card::before{
    content:""; position:absolute; top:0; left:0; right:0; height:2px;
    background:var(--amber); opacity:0; transition:opacity .2s ease;
  }
  .service-code{
    font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--amber);
    margin-bottom:22px; display:block;
  }
  .service-card h3{
    font-size:17px; margin-bottom:12px; text-transform:none; letter-spacing:0; font-weight:600;
  }
  .service-card p{ font-size:14.5px; color:var(--text-dim); }

  /* ===== ROTAS / COVERAGE ===== */
  .coverage{ background:var(--bg-elev); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
  .coverage-grid{
    display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px; align-items:center;
  }
  .coverage-note{ font-size:13px; color:var(--text-dim); margin-top:18px; }
  .legend{ display:flex; gap:22px; margin-top:26px; flex-wrap:wrap; }
  .legend-item{ display:flex; align-items:center; gap:8px; font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--text-dim); }
  .legend-dot{ width:8px; height:8px; border-radius:50%; }

  /* ===== COMPROMISSOS ===== */
  .commit-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:var(--line); border:1px solid var(--line); }
  .commit-card{ background:var(--bg); padding:38px 30px; }
  .commit-card .icon{ margin-bottom:20px; }
  .commit-card h3{ font-size:16px; margin-bottom:10px; text-transform:none; letter-spacing:0; font-weight:600; }
  .commit-card p{ font-size:14px; color:var(--text-dim); }

  /* ===== SOBRE ===== */
  .about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start; }
  .about-grid p{ color:var(--text-dim); margin-bottom:16px; max-width:52ch; }
  .manifest{
    background:var(--bg-elev);
    border:1px solid var(--line);
    padding:0;
  }
  .manifest-head{
    display:flex; justify-content:space-between; align-items:center;
    padding:16px 22px; border-bottom:1px dashed var(--line-strong);
    font-family:'IBM Plex Mono', monospace; font-size:11.5px; letter-spacing:0.1em; color:var(--amber);
    text-transform:uppercase;
  }
  .manifest-row{
    display:flex; justify-content:space-between; gap:20px;
    padding:15px 22px; border-bottom:1px solid var(--line);
    font-size:14px;
  }
  .manifest-row:last-child{ border-bottom:none; }
  .manifest-row .k{ color:var(--text-dim); font-family:'IBM Plex Mono', monospace; font-size:12.5px; }
  .manifest-row .v{ text-align:right; font-weight:500; }

  /* ===== CONTATO ===== */
  .contact{ background:var(--bg-elev); border-top:1px solid var(--line); }
  .contact-grid{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:60px; }
  .contact-info .item{ margin-bottom:28px; }
  .contact-info .k{ font-family:'IBM Plex Mono', monospace; font-size:11.5px; letter-spacing:0.1em; color:var(--amber); text-transform:uppercase; margin-bottom:8px; }
  .contact-info .v{ font-size:16px; }
  .contact-info .v a{ border-bottom:1px solid var(--line-strong); transition:border-color .15s ease, color .15s ease;}
  .contact-info .v a:hover{ color:var(--amber); border-color:var(--amber); }

  form{ display:grid; gap:16px; }
  .form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
  label{ display:block; font-family:'IBM Plex Mono', monospace; font-size:11px; letter-spacing:0.08em; text-transform:uppercase; color:var(--text-dim); margin-bottom:8px; }
  input, textarea{
    width:100%;
    background:var(--bg);
    border:1px solid var(--line-strong);
    color:var(--text);
    padding:13px 14px;
    font-family:'Public Sans', sans-serif;
    font-size:14.5px;
    border-radius:var(--radius);
  }
  input:focus, textarea:focus{ outline:none; border-color:var(--amber); }
  textarea{ resize:vertical; min-height:110px; }

  footer{ padding:48px 0 40px; border-top:1px solid var(--line); }
  .footer-grid{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px; }
  .footer-grid .copy{ font-size:13px; color:var(--text-dim); }
  .footer-grid .fplinks{ display:flex; gap:26px; }
  .footer-grid .fplinks a{ font-size:13px; color:var(--text-dim); }
  .footer-grid .fplinks a:hover{ color:var(--amber); }

  .reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
  .reveal.in{ opacity:1; transform:translateY(0); }
  @media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

  @media (max-width: 980px){
    .hero-grid{ grid-template-columns:1fr; }
    .route-visual{ height:300px; }
    .services-grid{ grid-template-columns:repeat(2,1fr); }
    .coverage-grid{ grid-template-columns:1fr; }
    .commit-grid{ grid-template-columns:1fr; }
    .about-grid{ grid-template-columns:1fr; }
    .contact-grid{ grid-template-columns:1fr; }
    .navlinks{ display:none; }
  }
  @media (max-width: 560px){
    .services-grid{ grid-template-columns:1fr; }
    .form-row{ grid-template-columns:1fr; }
    .hero{ padding-top:148px; }
    .stat-row{ gap:24px; }
    .navphone{ display:none; }
  }