:root{
    --bg-void:#05070c;
    --bg-panel:#0b0f1a;
    --bg-panel-2:#0f1420;
    --steel:#aab4bf;
    --brand-blue:#1c3c78;
    --brand-blue-mid:#2a4f96;
    --brand-blue-glow:#4d7fe0;
    --ceramic-red:#a13327;
    --ink:#f2f4f7;
    --mist:#7c8798;
    --line:rgba(170,180,191,0.14);
    --radius:2px;
  }

  *{margin:0;padding:0;box-sizing:border-box;}

  html{scroll-behavior:smooth;}

  body{
    background:var(--bg-void);
    color:var(--ink);
    font-family:'Inter',sans-serif;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.01ms !important; transition-duration:0.01ms !important;}
  }

  h1,h2,h3,.display{
    font-family:'Space Grotesk',sans-serif;
    letter-spacing:-0.02em;
  }

  .mono{
    font-family:'DM Mono',monospace;
    letter-spacing:0.04em;
    text-transform:uppercase;
  }

  a{color:inherit;text-decoration:none;}

  img{max-width:100%;display:block;}

  /* ---------- corrugation motif (signature divider) ---------- */
  .rib-divider{
    height:28px;
    width:100%;
    background:repeating-linear-gradient(
      90deg,
      transparent 0px, transparent 46px,
      var(--line) 46px, var(--line) 48px
    );
    opacity:0.7;
  }

  /* ---------- nav ---------- */
  .nav{
    position:fixed;
    top:0;left:0;right:0;
    z-index:100;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:20px 5vw;
    backdrop-filter:blur(14px);
    background:linear-gradient(180deg, rgba(5,7,12,0.85), rgba(5,7,12,0));
    transition:background 0.3s ease;
  }
  .nav .logo{
    font-family:'Space Grotesk',sans-serif;
    font-weight:700;
    font-size:1.1rem;
    letter-spacing:0.02em;
  }
  .nav .logo span{color:var(--brand-blue-glow);}
  .nav-links{display:flex;gap:32px;}
  .nav-links a{
    font-size:0.85rem;
    color:var(--mist);
    font-family:'DM Mono',monospace;
    text-transform:uppercase;
    letter-spacing:0.05em;
    transition:color 0.2s ease;
  }
  .nav-links a:hover{color:var(--ink);}
  @media (max-width:720px){ .nav-links{display:none;} }

  /* ---------- HERO (estático, leve) ---------- */
  .hero-static{
    position:relative;
    min-height:88vh;
    width:100%;
    overflow:hidden;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:120px 5vw 80px;
  }
  .hero-bg{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
    opacity:0.55;
    filter:saturate(1.05);
  }
  .hero-scrim{
    position:absolute;
    inset:0;
    background:
      radial-gradient(ellipse 80% 60% at 50% 100%, rgba(5,7,12,0.95) 10%, transparent 60%),
      linear-gradient(180deg, rgba(5,7,12,0.75) 0%, rgba(5,7,12,0.25) 35%, rgba(5,7,12,0.55) 100%);
  }
  .hero-copy{
    position:relative;
    z-index:2;
    text-align:center;
  }
  .hero-eyebrow{
    font-size:0.78rem;
    color:var(--brand-blue-glow);
    margin-bottom:18px;
  }
  .hero-title{
    font-size:clamp(4rem, 14vw, 11rem);
    font-weight:700;
    line-height:0.9;
    color:var(--ink);
  }
  .hero-sub{
    margin-top:20px;
    font-size:clamp(1rem, 2vw, 1.35rem);
    color:var(--steel);
    font-weight:400;
    max-width:560px;
    margin-left:auto;
    margin-right:auto;
  }
  .hero-trust{
    margin-top:22px;
    font-size:0.72rem;
    color:var(--brand-blue-glow);
    opacity:0.9;
  }

  /* ---------- quick facts strip ---------- */
  .facts-strip{
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    max-width:1400px;
    margin:0 auto;
  }
  .fact{
    text-align:center;
    padding:0 24px;
    border-left:1px solid var(--line);
  }
  .fact:first-child{border-left:none;}
  .fact-num{
    font-family:'Space Grotesk',sans-serif;
    font-size:clamp(1.5rem, 2.6vw, 2.2rem);
    font-weight:600;
    color:var(--ink);
    margin-bottom:10px;
  }
  .fact-label{
    font-size:0.72rem;
    color:var(--mist);
  }
  @media (max-width:820px){
    .facts-strip{grid-template-columns:1fr 1fr; gap:32px 0;}
    .fact:nth-child(3){border-left:none;}
    .fact:nth-child(odd){border-left:none;}
  }

  /* ---------- section shell ---------- */
  section{
    position:relative;
    padding:140px 5vw;
    max-width:1400px;
    margin:0 auto;
  }
  .section-head{
    max-width:680px;
    margin-bottom:80px;
  }
  .section-eyebrow{
    color:var(--brand-blue-glow);
    font-size:0.75rem;
    margin-bottom:16px;
  }
  .section-title{
    font-size:clamp(2rem, 4.5vw, 3.4rem);
    font-weight:600;
    line-height:1.05;
  }
  .section-desc{
    margin-top:20px;
    color:var(--mist);
    font-size:1.05rem;
    line-height:1.6;
    max-width:540px;
  }

  /* ---------- layers / explode section ---------- */
  .layers-visual{
    display:flex;
    justify-content:center;
    margin:60px 0 100px;
  }
  .layers-visual img{
    width:100%;
    max-width:1100px;
    filter:drop-shadow(0 30px 60px rgba(0,0,0,0.55));
  }
  .layers-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .layer-card{
    background:var(--bg-panel);
    padding:44px 34px;
  }
  .layer-card .num{
    font-family:'DM Mono',monospace;
    color:var(--brand-blue-glow);
    font-size:0.8rem;
    margin-bottom:20px;
    display:block;
  }
  .layer-card h3{
    font-size:1.3rem;
    font-weight:600;
    margin-bottom:14px;
  }
  .layer-card p{
    color:var(--mist);
    font-size:0.95rem;
    line-height:1.6;
  }
  @media (max-width:820px){
    .layers-grid{grid-template-columns:1fr;}
  }

  /* ---------- product spotlight (alternating image/text) ---------- */
  .spotlight{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:80px;
    align-items:center;
    padding:100px 5vw;
    max-width:1400px;
    margin:0 auto;
  }
  .spotlight.reverse{direction:rtl;}
  .spotlight.reverse > *{direction:ltr;}
  .spotlight-media{
    position:relative;
    border-radius:var(--radius);
    overflow:hidden;
  }
  .spotlight-media img{
    width:100%;
    transition:transform 0.6s cubic-bezier(.2,.8,.2,1);
  }
  .spotlight-media:hover img{transform:scale(1.03);}
  .spotlight-tag{
    font-size:0.75rem;
    color:var(--brand-blue-glow);
    margin-bottom:16px;
  }
  .spotlight h3{
    font-size:clamp(1.6rem, 3vw, 2.3rem);
    font-weight:600;
    margin-bottom:18px;
  }
  .spotlight p{
    color:var(--mist);
    line-height:1.7;
    font-size:1rem;
    margin-bottom:28px;
  }
  .spec-list{list-style:none;}
  .spec-list li{
    display:flex;
    justify-content:space-between;
    padding:14px 0;
    border-top:1px solid var(--line);
    font-size:0.9rem;
  }
  .spec-list li:last-child{border-bottom:1px solid var(--line);}
  .spec-list .k{color:var(--mist);}
  .spec-list .v{font-family:'DM Mono',monospace; color:var(--ink);}
  @media (max-width:900px){
    .spotlight, .spotlight.reverse{
      grid-template-columns:1fr;
      direction:ltr;
      gap:40px;
    }
  }

  /* ---------- colors section ---------- */
  .colors-hero{
    display:flex;
    justify-content:center;
    margin-bottom:70px;
  }
  .colors-hero img{
    max-width:1000px;
    width:100%;
    filter:drop-shadow(0 30px 70px rgba(0,0,0,0.6));
  }
  .swatch-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(160px, 1fr));
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .swatch{
    background:var(--bg-panel);
    padding:36px 24px;
    cursor:pointer;
    transition:background 0.25s ease;
  }
  .swatch:hover{background:var(--bg-panel-2);}
  .swatch .chip{
    width:100%;
    height:56px;
    border-radius:var(--radius);
    margin-bottom:20px;
    box-shadow:inset 0 0 0 1px rgba(255,255,255,0.06);
  }
  .swatch .chip.branco{background:linear-gradient(135deg,#f4f6f8,#d9dee3);}
  .swatch .chip.preto{background:linear-gradient(135deg,#2b2e33,#111214);}
  .swatch .chip.azul{background:linear-gradient(135deg,#2a4f96,#132a5c);}
  .swatch .chip.vermelho{background:linear-gradient(135deg,#b5432f,#7d2a1c);}
  .swatch .name{font-weight:600; font-size:1rem; margin-bottom:6px;}
  .swatch .tag{font-size:0.75rem; color:var(--mist); font-family:'DM Mono',monospace; text-transform:uppercase;}

  /* ---------- comparison table ---------- */
  .compare-wrap{overflow-x:auto;}
  table.compare{
    width:100%;
    border-collapse:collapse;
    min-width:640px;
  }
  table.compare th, table.compare td{
    text-align:left;
    padding:20px 24px;
    border-top:1px solid var(--line);
    font-size:0.92rem;
  }
  table.compare thead th{
    font-family:'DM Mono',monospace;
    text-transform:uppercase;
    font-size:0.75rem;
    color:var(--mist);
    border-top:none;
    padding-bottom:16px;
  }
  table.compare tbody th{
    color:var(--mist);
    font-weight:400;
    white-space:nowrap;
  }
  table.compare td{color:var(--ink);}
  table.compare tbody tr:last-child td, table.compare tbody tr:last-child th{
    border-bottom:1px solid var(--line);
  }

  /* ---------- region pills ---------- */
  .region-pills{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
  }
  .pill{
    border:1px solid var(--line);
    padding:10px 20px;
    border-radius:100px;
    font-size:0.85rem;
    color:var(--steel);
    background:var(--bg-panel);
  }

  /* ---------- testimonials ---------- */
  .testi-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .testi-card{
    background:var(--bg-panel);
    padding:36px 30px;
  }
  .testi-card .stars{
    color:var(--brand-blue-glow);
    letter-spacing:2px;
    margin-bottom:18px;
    font-size:0.9rem;
  }
  .testi-card p{
    color:var(--ink);
    font-size:0.95rem;
    line-height:1.65;
    margin-bottom:22px;
  }
  .testi-author{
    font-size:0.8rem;
    color:var(--mist);
    font-family:'DM Mono',monospace;
  }
  @media (max-width:820px){
    .testi-grid{grid-template-columns:1fr;}
  }

  /* ---------- CTA ---------- */
  .cta{
    text-align:center;
    padding:160px 5vw;
  }
  .cta h2{
    font-size:clamp(2.2rem, 5vw, 4rem);
    font-weight:700;
    margin-bottom:24px;
  }
  .cta p{color:var(--mist); margin-bottom:40px; font-size:1.05rem;}
  .btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    background:var(--brand-blue-glow);
    color:#fff;
    padding:18px 36px;
    border-radius:100px;
    font-weight:600;
    font-size:1rem;
    transition:transform 0.2s ease, background 0.2s ease;
  }
  .btn:hover{background:#5f8ded; transform:translateY(-2px);}

  /* ---------- floating whatsapp ---------- */
  .wa-float{
    position:fixed;
    bottom:28px;
    right:28px;
    z-index:200;
    width:58px;height:58px;
    border-radius:50%;
    background:#1ecb63;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 10px 30px rgba(0,0,0,0.45);
    transition:transform 0.2s ease;
  }
  .wa-float:hover{transform:scale(1.08);}
  .wa-float svg{width:28px;height:28px;fill:#fff;}

  /* ---------- footer ---------- */
  footer{
    padding:60px 5vw 40px;
    border-top:1px solid var(--line);
    display:flex;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:20px;
    color:var(--mist);
    font-size:0.85rem;
  }

  .site-footer{
    padding:80px 5vw 30px;
    border-top:1px solid var(--line);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:40px;
    max-width:1400px;
    margin:0 auto;
  }
  .footer-logo{
    font-family:'Space Grotesk',sans-serif;
    font-weight:700;
    font-size:1.2rem;
    margin-bottom:14px;
  }
  .footer-logo span{color:var(--brand-blue-glow);}
  .footer-col p{color:var(--mist); font-size:0.85rem; line-height:1.6;}
  .footer-col{display:flex; flex-direction:column;}
  .footer-title{
    color:var(--mist);
    font-size:0.72rem;
    margin-bottom:16px;
  }
  .footer-col a{
    color:var(--steel);
    font-size:0.88rem;
    padding:6px 0;
    transition:color 0.2s ease;
  }
  .footer-col a:hover{color:var(--brand-blue-glow);}
  .footer-bottom{
    max-width:1400px;
    margin:50px auto 0;
    padding-top:24px;
    border-top:1px solid var(--line);
    color:var(--mist);
    font-size:0.78rem;
  }
  @media (max-width:820px){
    .footer-grid{grid-template-columns:1fr 1fr; gap:32px;}
  }

  .reveal{
    opacity:0;
    transform:translateY(40px);
    transition:opacity 0.8s ease, transform 0.8s ease;
  }
  .reveal.in{opacity:1; transform:translateY(0);}

  /* ============ SHARED: FAQ ============ */
  .faq-list{
    max-width:820px;
  }
  .faq-item{
    border-top:1px solid var(--line);
    padding:22px 0;
  }
  .faq-item:last-child{border-bottom:1px solid var(--line);}
  .faq-item summary{
    cursor:pointer;
    font-family:'Space Grotesk',sans-serif;
    font-size:1.05rem;
    font-weight:600;
    color:var(--ink);
    list-style:none;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:20px;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:'+';
    font-family:'Space Grotesk',sans-serif;
    font-size:1.4rem;
    color:var(--brand-blue-glow);
    flex-shrink:0;
    transition:transform 0.2s ease;
  }
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-item p{
    margin-top:14px;
    color:var(--mist);
    line-height:1.7;
    font-size:0.95rem;
    max-width:720px;
  }

  /* ============ SHARED: simple page hero (sobre/contato/cidade/artigo) ============ */
  .page-hero{
    padding:200px 5vw 90px;
    max-width:1400px;
    margin:0 auto;
    border-bottom:1px solid var(--line);
  }
  .page-hero .breadcrumb{
    font-size:0.75rem;
    color:var(--mist);
    margin-bottom:22px;
  }
  .page-hero .breadcrumb a{color:var(--brand-blue-glow);}
  .page-hero h1{
    font-size:clamp(2.2rem, 5.5vw, 4rem);
    font-weight:700;
    line-height:1.05;
    max-width:820px;
  }
  .page-hero p.lead{
    margin-top:22px;
    color:var(--steel);
    font-size:1.1rem;
    max-width:640px;
    line-height:1.6;
  }

  /* ============ SHARED: article prose ============ */
  .prose{
    max-width:760px;
    margin:0 auto;
    padding:80px 5vw 120px;
    color:var(--steel);
    font-size:1.05rem;
    line-height:1.8;
  }
  .prose h2{
    font-family:'Space Grotesk',sans-serif;
    color:var(--ink);
    font-size:1.7rem;
    font-weight:600;
    margin:52px 0 18px;
  }
  .prose h3{
    font-family:'Space Grotesk',sans-serif;
    color:var(--ink);
    font-size:1.25rem;
    font-weight:600;
    margin:36px 0 14px;
  }
  .prose p{margin-bottom:20px;}
  .prose ul, .prose ol{margin:0 0 20px 22px;}
  .prose li{margin-bottom:10px;}
  .prose a{color:var(--brand-blue-glow); text-decoration:underline;}
  .prose strong{color:var(--ink);}
  .prose blockquote{
    border-left:2px solid var(--brand-blue-glow);
    padding-left:20px;
    color:var(--ink);
    font-style:italic;
    margin:32px 0;
  }
  .article-meta{
    color:var(--mist);
    font-family:'DM Mono',monospace;
    font-size:0.78rem;
    text-transform:uppercase;
    margin-bottom:18px;
  }

  /* ============ SHARED: related links / city grid ============ */
  .related-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
    max-width:1400px;
    margin:0 auto;
  }
  .related-grid a{
    background:var(--bg-panel);
    padding:22px 26px;
    color:var(--steel);
    font-size:0.9rem;
    transition:background 0.2s ease, color 0.2s ease;
  }
  .related-grid a:hover{background:var(--bg-panel-2); color:var(--ink);}

  .simple-cta{
    text-align:center;
    padding:110px 5vw;
    border-top:1px solid var(--line);
  }
  .simple-cta h2{
    font-size:clamp(1.8rem, 4vw, 2.8rem);
    font-weight:700;
    margin-bottom:20px;
  }
  .simple-cta p{color:var(--mist); margin-bottom:32px;}