:root{
    --ink: #0E1420;
    --ink-2: #141B2B;
    --ink-3: #1B2438;
    --line: #2C3B54;
    --steel: #8CA3C4;
    --paper: #EDEFF3;
    --paper-dim: #B7C0D1;
    --nova: #e8f8ff;
    --nova-soft: rgba(242,166,90,0.14);
    --nova-dim: #e8f8ff;
  }

  *{ box-sizing: border-box; }

  html{ scroll-behavior: smooth; }

  body{
    margin:0;
    background: var(--ink);
    color: var(--paper);
    font-family: 'IBM Plex Sans', sans-serif;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
  }

  #starfield{
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
  }

  header, .hero, .tabbar-section, .panel, #contato, footer{
    position: relative;
    z-index: 1;
  }

  h1,h2,h3{
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.1;
    margin: 0;
    letter-spacing: -0.01em;
  }

  .eyebrow{
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--nova);
  }

  a{ color: inherit; }

  .wrap{
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 28px;
  }

  header{
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(14,20,32,0.86);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
  }

  .nav{
    display:flex;
    align-items:center;
    justify-content: space-between;
    padding: 18px 28px;
    max-width: 1120px;
    margin: 0 auto;
  }

  .logo{
    text-decoration: none;
    color: inherit;
    display:flex;
    align-items:center;
    gap: 10px;
  }
  .logo img{
    height: 22px;
    width: auto;
    display:block;
  }

  .nav-cta{
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    border: 1px solid var(--line);
    padding: 9px 16px;
    border-radius: 100px;
    color: var(--paper);
    text-decoration: none;
    transition: border-color .2s ease, color .2s ease;
    white-space: nowrap;
  }
  .nav-cta:hover{ border-color: var(--nova); color: var(--nova); }

  .hero{
    padding: 64px 0 40px;
    position: relative;
  }
  .hero-grid{
    display:grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items:center;
  }
  .hero h1{
    font-size: clamp(2.1rem, 4.2vw, 3.1rem);
    margin: 14px 0 20px;
    color: var(--paper);
  }
  .hero h1 em{
    font-style: normal;
    color: var(--nova);
  }
  .hero p.lede{
    color: var(--paper-dim);
    font-size: 1.05rem;
    max-width: 46ch;
    margin-bottom: 30px;
  }
  .hero-ctas{ display:flex; gap:14px; flex-wrap: wrap; }

  .btn-primary{
    background: var(--nova);
    color: #1A1103;
    font-weight: 600;
    padding: 13px 24px;
    border-radius: 8px;
    text-decoration:none;
    font-size: 0.95rem;
    border: 1px solid var(--nova);
    transition: transform .15s ease, box-shadow .15s ease;
    box-shadow: 0 0 0 rgba(242,166,90,0);
  }
  .btn-primary:hover{ transform: translateY(-1px); box-shadow: 0 8px 24px -8px rgba(242,166,90,0.55); }

  .btn-ghost{
    padding: 13px 20px;
    border-radius: 8px;
    text-decoration:none;
    font-size: 0.95rem;
    color: var(--paper-dim);
    border: 1px solid var(--line);
    transition: border-color .15s ease, color .15s ease;
  }
  .btn-ghost:hover{ border-color: var(--steel); color: var(--paper); }

  .blueprint{
    border: 1px solid var(--line);
    border-radius: 12px;
    background:
      linear-gradient(var(--ink-2), var(--ink-2)) padding-box,
      repeating-linear-gradient(0deg, transparent, transparent 23px, rgba(140,163,196,0.07) 23px, rgba(140,163,196,0.07) 24px),
      repeating-linear-gradient(90deg, transparent, transparent 23px, rgba(140,163,196,0.07) 23px, rgba(140,163,196,0.07) 24px);
    padding: 18px;
    position: relative;
    overflow: hidden;
  }
  .blueprint svg{ width:100%; height:auto; display:block; }
  .bp-line{
    fill:none; stroke: var(--steel); stroke-width: 1.4;
    stroke-dasharray: 900; stroke-dashoffset: 900;
    animation: draw 2.1s ease forwards;
  }
  .bp-line.delay1{ animation-delay: .25s; }
  .bp-line.delay2{ animation-delay: .5s; }
  .bp-line.delay3{ animation-delay: .75s; }
  @keyframes draw{ to{ stroke-dashoffset: 0; } }

  @media (prefers-reduced-motion: reduce){
    .bp-line{ animation: none; stroke-dashoffset: 0; }
  }

  .tabbar-section{
    padding: 10px 0 0;
  }
  .tabbar{
    display:flex;
    gap: 6px;
    border: 1px solid var(--line);
    border-radius: 100px;
    padding: 5px;
    width: fit-content;
    margin: 0 auto 8px;
  }
  .tab-btn{
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.82rem;
    background: none;
    border: none;
    color: var(--paper-dim);
    padding: 10px 18px;
    border-radius: 100px;
    cursor: pointer;
    transition: background .2s ease, color .2s ease;
  }
  .tab-btn.active{
    background: var(--nova-soft);
    color: var(--nova);
  }
  .tab-btn:not(.active):hover{ color: var(--paper); }

  .panel{ display:none; padding: 56px 0 90px; }
  .panel.active{ display:block; animation: fade-up .4s ease; }
  @keyframes fade-up{ from{ opacity:0; transform: translateY(8px);} to{ opacity:1; transform: translateY(0);} }

  .panel-head{ text-align:center; max-width: 640px; margin: 0 auto 42px; }
  .panel-head h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 10px 0 14px; }
  .panel-head p{ color: var(--paper-dim); }

  .feature-grid{
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 48px;
  }
  .feature-card{
    background: var(--ink-2);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 22px 18px;
  }
  .feature-card .num{
    font-family:'IBM Plex Mono', monospace;
    color: var(--nova);
    font-size: 0.78rem;
    margin-bottom: 10px;
    display:block;
  }
  .feature-card h3{ font-size: 1rem; margin-bottom: 8px; font-family:'IBM Plex Sans'; font-weight:600; }
  .feature-card p{ color: var(--paper-dim); font-size: 0.9rem; margin: 0; }

  .cta-band{
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--ink-2);
    padding: 32px;
    display:flex;
    align-items:center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
  }
  .cta-band h3{ font-size: 1.2rem; margin-bottom: 6px; }
  .cta-band p{ color: var(--paper-dim); margin:0; }

  .steps{
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
  }
  .step{
    padding: 0 18px;
    border-left: 1px solid var(--line);
    position: relative;
  }
  .step:first-child{ border-left: none; padding-left: 0; }
  .step .step-num{
    font-family:'Space Grotesk', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--line);
    -webkit-text-stroke: 1px var(--steel);
    display:block;
    margin-bottom: 14px;
  }
  .step h3{ font-size: 1.02rem; margin-bottom: 8px; }
  .step p{ color: var(--paper-dim); font-size: 0.9rem; }

  .team-note{
    margin-top: 56px;
    border-top: 1px solid var(--line);
    padding-top: 32px;
    display:flex;
    gap: 20px;
    align-items:flex-start;
  }
  .team-note .eyebrow{ margin-bottom: 8px; display:block; }
  .team-note p{ color: var(--paper-dim); max-width: 60ch; margin:0; }

  .portfolio-grid{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .portfolio-grid--single{
    grid-template-columns: minmax(0, 420px);
    justify-content: center;
  }
  .portfolio-card{
    display:block;
    text-decoration:none;
    color: inherit;
    background: var(--ink-2);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 22px 18px;
    transition: border-color .2s ease, transform .2s ease;
  }
  .portfolio-card:hover{
    border-color: var(--nova);
    transform: translateY(-3px);
  }
  .portfolio-card .num{
    font-family:'IBM Plex Mono', monospace;
    color: var(--nova);
    font-size: 0.78rem;
    margin-bottom: 10px;
    display:block;
  }
  .portfolio-card h3{ font-size: 1rem; margin-bottom: 8px; }
  .portfolio-card p{ color: var(--paper-dim); font-size: 0.9rem; margin: 0 0 16px; }
  .portfolio-card .link-out{
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    color: var(--steel);
  }
  .portfolio-card:hover .link-out{ color: var(--nova); }

  .float-actions{
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 60;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .float-btn{
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border: 1px solid var(--line);
    background: var(--ink-2);
    transition: transform .15s ease, border-color .15s ease, background .15s ease;
  }
  .float-btn svg{ width: 24px; height: 24px; }
  .float-btn:hover{
    transform: translateY(-2px);
    border-color: var(--nova);
    background: var(--ink-3);
  }
  .float-btn.whatsapp svg{ fill: #25D366; }
  .float-btn.instagram svg{ fill: var(--paper); }

  footer{
    border-top: 1px solid var(--line);
    padding: 28px 0;
  }
  .footer-row{
    display:flex; justify-content: space-between; align-items:center;
    font-family:'IBM Plex Mono', monospace;
    font-size: 0.78rem;
    color: var(--paper-dim);
    flex-wrap: wrap;
    gap: 10px;
  }

  @media (max-width: 860px){
    .hero-grid{ grid-template-columns: 1fr; }
    .feature-grid{ grid-template-columns: repeat(2,1fr); }
    .steps{ grid-template-columns: 1fr; }
    .step{ border-left:none; border-top: 1px solid var(--line); padding: 24px 0 0; margin-top: 24px; }
    .step:first-child{ border-top:none; margin-top:0; padding-top:0; }
    .cta-band{ flex-direction: column; align-items:flex-start; }
    .portfolio-grid{ grid-template-columns: 1fr; }
  }

.logo {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}