:root{
    --navy-900:#081527;
    --navy-800:#0B1F3D;
    --navy-700:#14315C;
    --navy-600:#1E4477;
    --teal-500:#0E7C86;
    --teal-400:#14A0AC;
    --steel-400:#8FA0B3;
    --paper:#F5F6F8;
    --paper-2:#EDEFF3;
    --ink:#10182B;
    --ink-soft:#4A566B;
    --white:#FFFFFF;
    --line:#DDE2E9;
    --shadow: 0 20px 50px -20px rgba(11,31,61,0.35);
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Inter',sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.6;
    overflow-x:hidden;
  }
  h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;letter-spacing:-0.01em;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    font-family:'Space Grotesk',sans-serif;
    font-size:12.5px;letter-spacing:0.16em;text-transform:uppercase;
    color:var(--teal-500);font-weight:600;margin-bottom:18px;
  }
  .eyebrow::before{content:"";width:26px;height:1.5px;background:var(--teal-500);display:inline-block;}

  /* NAV */
  header{
    position:fixed;top:0;left:0;right:0;z-index:100;
    background:rgba(8,21,39,0.0);
    transition:background .35s ease, box-shadow .35s ease, padding .35s ease;
    padding:22px 0;
  }
  header.scrolled{
    background:rgba(8,21,39,0.92);
    backdrop-filter:blur(10px);
    box-shadow:0 10px 30px -15px rgba(0,0,0,.4);
    padding:12px 0;
  }
  nav{display:flex;align-items:center;justify-content:space-between;}
  .logo-mark{display:flex;align-items:center;gap:10px;}
  .logo-mark img{height:34px;width:auto;}
  .nav-links{display:flex;gap:38px;list-style:none;}
  .nav-links a{
    font-size:14.5px;font-weight:500;color:#DCE3EC;
    position:relative;padding:4px 0;
  }
  .nav-links a::after{
    content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;
    background:var(--teal-400);transition:width .25s ease;
  }
  .nav-links a:hover::after{width:100%;}
  .nav-cta{
    font-size:14px;font-weight:600;color:var(--navy-900);
    background:var(--teal-400);
    padding:11px 22px;border-radius:3px;
    transition:transform .2s ease, box-shadow .2s ease;
  }
  .nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(20,160,172,.6);}
  .nav-toggle{display:none;}
  .lang-switch{display:flex;gap:2px;background:rgba(255,255,255,.08);border-radius:20px;padding:3px;}
  .lang-btn{
    font-family:'Space Grotesk',sans-serif;font-size:12px;font-weight:600;letter-spacing:.03em;
    color:#AEBBCC;background:transparent;border:none;padding:6px 12px;border-radius:16px;cursor:pointer;
    transition:background .2s ease,color .2s ease;
  }
  .lang-btn:hover{color:#fff;}
  .lang-btn.active{background:var(--teal-400);color:var(--navy-900);}

  /* HERO */
  .hero{
    position:relative;min-height:100vh;
    display:flex;align-items:center;
    background:linear-gradient(115deg, rgba(8,21,39,.94) 15%, rgba(11,31,61,.85) 55%, rgba(14,124,134,.55) 130%),
               url('../img/hero-navio.jpg') center/cover no-repeat;
    color:var(--white);
    padding-top:110px;
  }
  .hero-content{position:relative;z-index:3;max-width:660px;}
  .hero .eyebrow{color:var(--teal-400);}
  .hero h1{
    font-size:clamp(38px,5.4vw,64px);
    font-weight:700;line-height:1.06;
    margin-bottom:22px;
  }
  .hero h1 em{font-style:normal;color:var(--teal-400);}
  .hero p{font-size:18px;color:#C8D2DF;max-width:520px;margin-bottom:38px;}
  .hero-actions{display:flex;gap:16px;flex-wrap:wrap;}
  .btn{
    display:inline-flex;align-items:center;gap:10px;
    padding:15px 28px;border-radius:3px;font-weight:600;font-size:15px;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  }
  .btn-primary{background:var(--teal-400);color:var(--navy-900);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px -10px rgba(20,160,172,.55);}
  .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff;}
  .btn-ghost:hover{background:rgba(255,255,255,.08);}

  /* Route network — signature element */
  .route-layer{
    position:absolute;inset:0;z-index:2;pointer-events:none;
    opacity:.85;
  }
  .route-layer svg{width:100%;height:100%;}
  .route-path{
    fill:none;stroke:rgba(20,160,172,.55);stroke-width:1.4;
    stroke-dasharray:6 7;
    animation:dash 22s linear infinite;
  }
  @keyframes dash{to{stroke-dashoffset:-500;}}
  .route-node{fill:#5FD6DF;}
  .route-node.pulse{animation:pulse 2.8s ease-in-out infinite;}
  @keyframes pulse{
    0%,100%{opacity:.5;r:3;}
    50%{opacity:1;r:5.5;}
  }
  .route-label{
    font-family:'Space Grotesk',sans-serif;font-size:11px;fill:#9FB4C6;
    letter-spacing:.05em;text-transform:uppercase;
  }

  .hero-scroll{
    position:absolute;bottom:36px;left:50%;transform:translateX(-50%);
    z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;
    font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#9FB0C2;
  }
  .hero-scroll .line{width:1px;height:38px;background:linear-gradient(#5FD6DF,transparent);animation:scrolldown 1.8s ease-in-out infinite;}
  @keyframes scrolldown{0%{transform:scaleY(0);transform-origin:top;}50%{transform:scaleY(1);transform-origin:top;}51%{transform-origin:bottom;}100%{transform:scaleY(0);transform-origin:bottom;}}

  /* SECTIONS */
  section{padding:120px 0;}
  .section-head{max-width:640px;margin-bottom:64px;}
  .section-head h2{font-size:clamp(28px,3.4vw,42px);font-weight:700;color:var(--navy-800);margin-bottom:18px;}
  .section-head p{font-size:17px;color:var(--ink-soft);}

  /* QUEM SOMOS */
  .about{background:var(--white);}
  .about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:72px;align-items:start;}
  .about-text p{color:var(--ink-soft);font-size:16px;margin-bottom:18px;}
  .about-figure{
    background:var(--navy-800);border-radius:6px;padding:44px 38px;color:#fff;
    position:relative;overflow:hidden;
  }
  .about-figure::before{
    content:"";position:absolute;top:-60px;right:-60px;width:180px;height:180px;
    border-radius:50%;background:radial-gradient(circle, rgba(20,160,172,.35), transparent 70%);
  }
  .stat-row{display:flex;flex-direction:column;gap:30px;position:relative;z-index:2;}
  .stat-row div .num{font-family:'Space Grotesk',sans-serif;font-size:40px;font-weight:700;color:var(--teal-400);}
  .stat-row div .label{font-size:13.5px;color:#B9C6D6;letter-spacing:.03em;margin-top:4px;}

  /* SERVICES */
  .services{background:var(--paper-2);}
  .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
  .service-card{
    background:var(--white);padding:38px 32px;transition:background .25s ease;
    position:relative;
  }
  .service-card:hover{background:#FBFCFD;}
  .service-card .icon{
    width:48px;height:48px;border-radius:4px;background:var(--navy-800);
    display:flex;align-items:center;justify-content:center;margin-bottom:22px;
  }
  .service-card .icon svg{width:24px;height:24px;stroke:var(--teal-400);}
  .service-card h3{font-size:18px;color:var(--navy-800);margin-bottom:10px;font-weight:600;}
  .service-card p{font-size:14.5px;color:var(--ink-soft);}

  /* DIFERENCIAIS */
  .diff{background:var(--navy-800);color:#fff;position:relative;overflow:hidden;}
  .diff::before{
    content:"";position:absolute;inset:0;
    background-image:radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
    background-size:26px 26px;opacity:.5;
  }
  .diff .wrap{position:relative;z-index:2;}
  .diff .section-head h2{color:#fff;}
  .diff .section-head p{color:#AEBBCC;}
  .diff-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:rgba(255,255,255,.12);}
  .diff-card{background:var(--navy-800);padding:34px 26px;}
  .diff-card .idx{font-family:'Space Grotesk',sans-serif;color:var(--teal-400);font-size:13px;margin-bottom:14px;letter-spacing:.05em;}
  .diff-card h4{font-size:16.5px;margin-bottom:10px;}
  .diff-card p{font-size:14px;color:#AEBBCC;}

  /* FOUNDER */
  .founder{background:var(--white);}
  .founder-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:70px;align-items:center;}
  .founder-card{
    background:var(--paper);border:1px solid var(--line);border-radius:6px;
    padding:44px 34px;text-align:center;
  }
  .founder-avatar{
    width:84px;height:84px;border-radius:50%;margin:0 auto 20px;
    background:linear-gradient(135deg,var(--navy-700),var(--teal-500));
    display:flex;align-items:center;justify-content:center;
    font-family:'Space Grotesk',sans-serif;font-size:26px;font-weight:700;color:#fff;
  }
  .founder-card h3{font-size:19px;color:var(--navy-800);margin-bottom:4px;}
  .founder-card .role{font-size:13.5px;color:var(--teal-500);font-weight:600;letter-spacing:.02em;margin-bottom:20px;}
  .founder-langs{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;}
  .founder-langs span{
    font-size:12px;border:1px solid var(--line);padding:6px 12px;border-radius:20px;color:var(--ink-soft);
  }
  .founder-text p{color:var(--ink-soft);font-size:16px;margin-bottom:16px;}
  .founder-text .tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;}
  .founder-text .tags span{
    font-size:12.5px;background:var(--paper-2);color:var(--navy-700);padding:8px 14px;border-radius:3px;font-weight:500;
  }

  /* CONTACT */
  .contact{background:var(--paper-2);}
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;}
  .contact-info h2{font-size:clamp(26px,3vw,36px);color:var(--navy-800);margin-bottom:18px;}
  .contact-info p{color:var(--ink-soft);font-size:16px;margin-bottom:32px;}
  .contact-item{display:flex;gap:16px;margin-bottom:22px;align-items:flex-start;}
  .contact-item .ic{
    width:38px;height:38px;border-radius:4px;background:var(--navy-800);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
  }
  .contact-item .ic svg{width:18px;height:18px;stroke:var(--teal-400);}
  .contact-item .label{font-size:12.5px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px;}
  .contact-item .val{font-size:15.5px;color:var(--navy-800);font-weight:500;}
  .contact-item a.val:hover{color:var(--teal-500);}

  form{background:var(--white);border:1px solid var(--line);border-radius:6px;padding:36px;}
  .field{margin-bottom:20px;}
  .field label{display:block;font-size:12.5px;font-weight:600;color:var(--navy-800);margin-bottom:8px;letter-spacing:.02em;text-transform:uppercase;}
  .field input, .field textarea{
    width:100%;border:1px solid var(--line);border-radius:3px;padding:13px 14px;
    font-family:'Inter',sans-serif;font-size:14.5px;color:var(--ink);background:var(--paper);
    transition:border-color .2s ease;
  }
  .field input:focus, .field textarea:focus{outline:none;border-color:var(--teal-500);}
  .field textarea{min-height:110px;resize:vertical;}
  .submit-btn{
    width:100%;background:var(--navy-800);color:#fff;border:none;padding:15px;border-radius:3px;
    font-weight:600;font-size:15px;cursor:pointer;transition:background .2s ease;
    font-family:'Inter',sans-serif;
  }
  .submit-btn:hover{background:var(--teal-500);}
  .form-note{font-size:12.5px;color:var(--ink-soft);margin-top:12px;text-align:center;}

  /* FOOTER */
  footer{background:var(--navy-900);color:#8FA0B3;padding:56px 0 30px;}
  .footer-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:30px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:26px;}
  .footer-brand img{height:30px;margin-bottom:14px;}
  .footer-brand p{font-size:14px;max-width:280px;}
  .footer-links{display:flex;gap:60px;flex-wrap:wrap;}
  .footer-links h5{font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;color:#5C7086;margin-bottom:16px;}
  .footer-links ul{list-style:none;}
  .footer-links li{margin-bottom:10px;}
  .footer-links a{font-size:14px;color:#AEBBCC;}
  .footer-links a:hover{color:var(--teal-400);}
  .footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#5C7086;}

  /* Reveal on scroll */
  .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease;}
  .reveal.visible{opacity:1;transform:translateY(0);}

  @media (max-width:920px){
    .about-grid, .founder-grid, .contact-grid{grid-template-columns:1fr;gap:44px;}
    .service-grid{grid-template-columns:repeat(2,1fr);}
    .diff-grid{grid-template-columns:repeat(2,1fr);}
    .nav-links{display:none;}
    section{padding:80px 0;}
  }
  @media (max-width:560px){
    .service-grid{grid-template-columns:1fr;}
    .diff-grid{grid-template-columns:1fr;}
    .wrap{padding:0 22px;}
    .hero-actions{flex-direction:column;align-items:flex-start;}
  }
  @media (prefers-reduced-motion: reduce){
    .route-path, .route-node.pulse, .hero-scroll .line{animation:none !important;}
    .reveal{transition:none;opacity:1;transform:none;}
  }