:root{
    --ink: #282F35;         /* deep petrol - base dark */
    --ink-2: #333B44;
    --paper: #EDEDED;       /* cool fog, not cream */
    --paper-2: #DEDEDE;
    --amber: #F0561C;       /* signal amber accent */
    --amber-dim: #C2410C;
    --cobalt: #6B6B6B;      /* secondary accent for links/data */
    --line: rgba(0,0,0,0.12);
    --line-inv: rgba(255,255,255,0.14);
    --text: #141414;
    --text-dim: #5C5C5C;
    --text-inv: #EDEDED;
    --text-inv-dim: #A6A6A6;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background: var(--paper);
    color: var(--text);
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 16px;
    line-height: 1.55;
    overflow-x: hidden;
  }
  h1,h2,h3{
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text);
  }
  .mono{
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.02em;
  }
  a{ color: inherit; text-decoration:none; }
  img{ max-width:100%; display:block; }
  .wrap{ max-width: 1180px; margin: 0 auto; padding: 0 32px; }
  @media (max-width: 640px){ .wrap{ padding: 0 20px; } }

  /* ---------- NAV ---------- */
  header{
    position: sticky; top:0; z-index: 50;
    background: rgba(238,241,238,0.88);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
  }
  nav.wrap{
    display:flex; align-items:center; justify-content:space-between;
    height: 96px;
  }
  .logo{
    display:flex; align-items:center;
  }
  .logo-img{ height: 46px; width:auto; display:block; }
  .logo-img-foot{ height: 50px; filter: brightness(0) invert(1); }
  .navlinks{ display:flex; align-items:center; gap: 36px; }
  .navlinks a{
    font-size: 0.92rem; font-weight:500; color: var(--text-dim);
    position:relative; padding: 4px 0;
  }
  .navlinks a:hover{ color: var(--text); }
  .cta-btn{
    background: var(--ink); color: var(--paper);
    padding: 11px 22px; border-radius: 2px;
    font-size: 0.88rem; font-weight: 600;
    display:inline-flex; align-items:center; gap:8px;
    transition: background 0.2s ease;
  }
  .cta-btn:hover{ background: var(--amber-dim); }
  .cta-btn-orange{
    background: var(--amber); color: #fff;
  }
  .cta-btn-orange:hover{ background: var(--amber-dim); }
  @media (max-width: 780px){ .navlinks a:not(.cta-btn){ display:none; } }

  /* ---------- NAV DROPDOWN (BPO Verticais) ---------- */
  .nav-dropdown{ position:relative; }
  .nav-dropdown > a{ display:flex; align-items:center; gap:6px; }
  .nav-dropdown > a::after{
    content:'▾'; font-size: 0.65rem; color: var(--text-dim);
  }
  .dropdown-menu{
    position:absolute; top: 100%; left: 50%; transform: translate(-50%, 6px);
    background: var(--ink); border: 1px solid var(--line-inv);
    min-width: 240px; padding: 10px 0; margin-top: 12px;
    opacity: 0; visibility: hidden; pointer-events:none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 60;
  }
  .nav-dropdown:hover .dropdown-menu{
    opacity: 1; visibility: visible; pointer-events:auto; transform: translate(-50%, 0);
  }
  .dropdown-menu a{
    display:block; padding: 9px 22px; font-size: 0.82rem; font-weight: 500;
    color: var(--text-inv-dim); font-family: 'IBM Plex Mono', monospace;
  }
  .dropdown-menu a:hover{ color: var(--amber); background: rgba(255,255,255,0.04); }

  /* ---------- HERO ---------- */
  .hero{
    position:relative;
    padding: 100px 0 60px;
    overflow:hidden;
  }
  .hero-grid{
    display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items:center;
  }
  @media (max-width: 900px){ .hero-grid{ grid-template-columns: 1fr; gap: 50px; } }
  .eyebrow{
    font-family:'IBM Plex Mono', monospace; font-size: 0.78rem;
    color: var(--amber-dim); text-transform:uppercase; letter-spacing:0.12em;
    display:flex; align-items:center; gap:10px; margin-bottom: 22px;
  }
  .eyebrow::before{
    content:''; width: 26px; height:1px; background: var(--amber-dim);
  }
  .hero h1{
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    line-height: 1.05;
    margin-bottom: 24px;
  }
  .hero h1 em{
    font-style: normal; color: var(--ink);
    background: linear-gradient(180deg, transparent 62%, var(--amber) 62%);
  }
  .hero p.lede{
    font-size: 1.08rem; color: var(--text-dim); max-width: 480px; margin-bottom: 34px;
  }
  .hero-actions{ display:flex; gap:18px; align-items:center; flex-wrap:wrap; }
  .btn-ghost{
    font-size: 0.92rem; font-weight:600; color: var(--ink);
    border-bottom: 1px solid var(--ink); padding-bottom: 2px;
  }

  /* signature flow diagram */
  .flow-wrap{ position:relative; }
  .flow-svg{ width:100%; height:auto; }
  .flow-label{
    position:absolute; font-family:'IBM Plex Mono', monospace; font-size: 0.68rem;
    color: var(--text-dim); background: var(--paper); padding: 2px 6px;
  }

  /* ---------- STRIP ---------- */
  .strip{
    background: var(--ink); color: var(--text-inv);
    padding: 20px 0;
  }
  .strip .wrap{
    display:flex; gap: 18px; align-items:center; justify-content:center; flex-wrap:wrap;
  }
  .strip span{
    font-family:'IBM Plex Mono', monospace; font-size: 0.8rem; color: var(--text-inv-dim);
  }
  .strip .sep{
    color: var(--amber); opacity: 0.55; font-size: 0.6rem;
  }

  /* ---------- SECTION HEADERS ---------- */
  section{ padding: 100px 0; }
  .sec-head{
    display:flex; justify-content:space-between; align-items:flex-end;
    gap: 30px; margin-bottom: 56px; border-bottom: 1px solid var(--line); padding-bottom: 28px;
  }
  .sec-head h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); max-width: 560px; }
  .sec-head .idx{
    font-family:'IBM Plex Mono', monospace; font-size: 0.85rem; color: var(--text-dim);
    white-space:nowrap;
  }
  @media (max-width: 700px){ .sec-head{ flex-direction:column; align-items:flex-start; } }

  /* ---------- SERVICES (flow chain) ---------- */
  .chain{
    position:relative;
    display:flex; flex-direction:column;
  }
  .chain-item{
    display:grid; grid-template-columns: 90px 1fr; gap: 28px;
    padding: 34px 0; border-bottom: 1px solid var(--line);
    position:relative;
  }
  .chain-item:first-child{ padding-top:0; }
  .chain-item:last-child{ border-bottom:none; }
  .chain-node{
    font-family:'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--amber-dim);
    display:flex; flex-direction:column; gap:8px; align-items:flex-start;
  }
  .chain-node .dot{
    width:9px; height:9px; border-radius:50%; background: var(--ink);
    border: 2px solid var(--amber);
  }
  .chain-body h3{ font-size: 1.15rem; margin-bottom: 8px; }
  .chain-body p{ color: var(--text-dim); font-size: 0.95rem; max-width: 640px; }
  .chain-list{
    list-style:none; max-width: 640px;
  }
  .chain-list li{
    position:relative; padding-left: 18px; margin-bottom: 6px;
    color: var(--text-dim); font-size: 0.95rem;
  }
  .chain-list li::before{
    content:''; position:absolute; left:0; top: 9px;
    width: 6px; height: 6px; background: var(--amber);
  }
  .chain-item:hover .chain-node .dot{ background: var(--amber); }

  /* ---------- BTO SECTION ---------- */
  .bto-lede{
    font-size: 1.05rem; color: var(--text-dim); max-width: 760px; margin-bottom: 56px;
  }
  .bto-grid{
    display:grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 22px; align-items:stretch;
  }
  @media (max-width: 900px){
    .bto-grid{ grid-template-columns: 1fr; }
    .bto-arrow{ transform: rotate(90deg); margin: 4px 0; }
  }
  .bto-card{
    background: var(--paper-2); border: 1px solid var(--line);
    padding: 30px 26px;
  }
  .bto-n{ color: var(--amber-dim); font-size: 0.8rem; display:block; margin-bottom: 16px; }
  .bto-card h3{ font-size: 1.08rem; margin-bottom: 10px; }
  .bto-card p{ font-size: 0.92rem; color: var(--text-dim); }
  .bto-arrow{
    display:flex; align-items:center; justify-content:center;
    color: var(--amber); font-size: 1.4rem; font-family:'Space Grotesk',sans-serif;
  }
  .bto-callout{
    margin-top: 40px; padding: 28px 30px; border-left: 3px solid var(--amber);
    background: var(--paper-2);
  }
  .bto-callout p{ font-size: 1rem; color: var(--text); max-width: 780px; }
  .bto-callout strong{ color: var(--ink); }

  /* ---------- PROCESS DARK BAND ---------- */
  .process{ background: var(--ink); color: var(--text-inv); }
  .process .sec-head{ border-color: var(--line-inv); }
  .process h2{ color: var(--text-inv); }
  .process .idx{ color: var(--text-inv-dim); }
  .steps{
    display:grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-inv);
    border: 1px solid var(--line-inv);
  }
  @media (max-width: 900px){ .steps{ grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 560px){ .steps{ grid-template-columns: 1fr; } }
  .step{
    background: var(--ink); padding: 38px 26px 30px; position:relative; overflow:hidden;
  }
  .step::before{
    content:''; position:absolute; top:0; left:0; right:0; height: 3px;
    background: var(--amber); transform: scaleX(0); transform-origin: left;
    transition: transform 0.3s ease;
  }
  .step:hover::before{ transform: scaleX(1); }
  .step .n{
    font-family:'IBM Plex Mono', monospace; color: var(--amber); font-size: 0.72rem;
    margin-bottom: 20px; display:block; letter-spacing: 0.06em;
  }
  .step h4{ color: var(--text-inv); font-family:'Space Grotesk',sans-serif; font-size:1.2rem; margin-bottom:12px; font-weight:600; line-height:1.25; }
  .step p{ color: var(--text-inv-dim); font-size: 0.9rem; }

  /* ---------- ABOUT / MANIFESTO ---------- */
  .manifesto{
    display:grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items:start;
  }
  @media (max-width: 860px){ .manifesto{ grid-template-columns: 1fr; gap: 40px; } }
  .manifesto .big{
    font-family:'Space Grotesk', sans-serif; font-size: clamp(1.5rem, 2.6vw, 2rem);
    line-height:1.35; color: var(--ink);
  }
  .manifesto .side p{ color: var(--text-dim); margin-bottom: 18px; }
  .manifesto .side .stat-row{
    display:flex; gap: 40px; margin-top: 30px; flex-wrap:wrap;
  }
  .stat b{ font-family:'Space Grotesk',sans-serif; font-size:1.8rem; display:block; color:var(--ink); }
  .stat span{ font-family:'IBM Plex Mono', monospace; font-size: 0.75rem; color: var(--text-dim); }

  /* ---------- CTA BAND ---------- */
  .cta-band{
    background: var(--paper-2);
    text-align:center;
    padding: 90px 0;
  }
  .cta-band h2{ font-size: clamp(1.8rem, 4vw, 2.6rem); max-width: 640px; margin: 0 auto 28px; }
  .cta-band p{ color: var(--text-dim); max-width: 460px; margin: 0 auto 36px; }

  /* ---------- FOOTER ---------- */
  footer{ background: var(--ink); color: var(--text-inv-dim); padding: 56px 0 30px; }
  .foot-grid{
    display:flex; justify-content:space-between; gap: 40px; flex-wrap:wrap;
    padding-bottom: 36px; border-bottom: 1px solid var(--line-inv);
  }
  .foot-grid .logo{ color: var(--text-inv); }
  .foot-links{ display:flex; gap: 50px; flex-wrap:wrap; }
  .foot-col h5{ font-family:'IBM Plex Mono', monospace; font-size: 0.72rem; text-transform:uppercase; letter-spacing:0.1em; color: var(--text-inv-dim); margin-bottom: 14px; }
  .foot-col a, .foot-col p{ display:block; font-size: 0.9rem; color: var(--text-inv); margin-bottom: 8px; }
  .foot-bottom{ display:flex; justify-content:space-between; padding-top: 24px; font-size: 0.8rem; flex-wrap:wrap; gap:10px; }

  .reveal{ opacity:0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
  .reveal.in{ opacity:1; transform:none; }
  @media (prefers-reduced-motion: reduce){
    .reveal{ opacity:1; transform:none; transition:none; }
    html{ scroll-behavior:auto; }
  }

/* ---------- INTERNAL PAGE HERO ---------- */
.page-hero{
  padding: 70px 0 50px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1{
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 14px;
}
.page-hero p{
  color: var(--text-dim); max-width: 560px; font-size: 1.02rem;
}

/* ---------- SOBRE PAGE ---------- */
.value-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
@media (max-width: 760px){ .value-grid{ grid-template-columns: 1fr; } }
.value-card{ background: var(--paper); padding: 32px 26px; }
.value-card .vn{ font-family:'IBM Plex Mono',monospace; color: var(--amber-dim); font-size: 0.78rem; display:block; margin-bottom: 16px; }
.value-card h3{ font-size: 1.05rem; margin-bottom: 10px; }
.value-card p{ font-size: 0.92rem; color: var(--text-dim); }

.timeline-row{
  display:grid; grid-template-columns: 140px 1fr; gap: 24px;
  padding: 26px 0; border-bottom: 1px solid var(--line);
}
.timeline-row:last-child{ border-bottom: none; }
.timeline-row .tl-label{ font-family:'IBM Plex Mono',monospace; font-size: 0.82rem; color: var(--text-dim); }
.timeline-row h4{ font-size: 1rem; margin-bottom: 6px; }
.timeline-row p{ font-size: 0.92rem; color: var(--text-dim); }

/* ---------- CONTATO PAGE ---------- */
.contact-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 60px;
}
@media (max-width: 860px){ .contact-grid{ grid-template-columns: 1fr; gap: 40px; } }
.contact-channels .channel{
  display:flex; align-items:flex-start; gap: 18px;
  padding: 22px 0; border-bottom: 1px solid var(--line);
}
.contact-channels .channel:first-child{ padding-top:0; }
.contact-channels .ch-icon{
  width: 38px; height:38px; flex-shrink:0; border-radius:2px;
  background: var(--ink); color: var(--paper);
  display:flex; align-items:center; justify-content:center;
  font-family:'IBM Plex Mono',monospace; font-size: 0.8rem;
}
.contact-channels h4{ font-size: 0.98rem; margin-bottom: 4px; }
.contact-channels p, .contact-channels a{ font-size: 0.92rem; color: var(--text-dim); }
.contact-channels a:hover{ color: var(--amber-dim); }

.form-field{ margin-bottom: 20px; }
.form-field label{
  display:block; font-family:'IBM Plex Mono',monospace; font-size: 0.75rem;
  text-transform:uppercase; letter-spacing:0.06em; color: var(--text-dim); margin-bottom: 8px;
}
.form-field input, .form-field textarea{
  width:100%; border: 1px solid var(--line); background: var(--paper);
  padding: 12px 14px; font-family:'IBM Plex Sans',sans-serif; font-size: 0.95rem;
  color: var(--text); border-radius:2px;
}
.form-field input:focus, .form-field textarea:focus{ outline: none; border-color: var(--ink); }
.form-field textarea{ min-height: 120px; resize: vertical; }
.form-submit{
  background: var(--ink); color: var(--paper); border:none;
  padding: 13px 28px; font-family:'IBM Plex Sans',sans-serif; font-weight:600;
  font-size: 0.92rem; cursor:pointer; border-radius:2px;
}
.form-submit:hover{ background: var(--amber-dim); }
.form-note{ font-size: 0.82rem; color: var(--text-dim); margin-top: 12px; }