/* ─────────────────────────────────────────────
   TOKENS
   Paleta puxada da própria matéria-prima:
   grafite de aço molhado, zinco galvanizado,
   âmbar de corte (ação) e azul de água (fluxo).
   ───────────────────────────────────────────── */
:root{
  --grafite:#0B0F12;
  --grafite-2:#12191E;
  --chapa:#1A242B;
  --zinco:#8FA3AD;
  --zinco-claro:#C7D3DA;
  --aco:#E9EFF2;
  --ambar:#FFB020;
  --ambar-esc:#C9860F;
  --agua:#6FCBE4;

  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --body:'Inter Tight',system-ui,-apple-system,'Segoe UI',sans-serif;
  --disp:'Archivo',var(--body);

  --gut:clamp(20px,5vw,72px);
  --max:1320px;
  --rail:56px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--grafite);color:var(--aco);
  font-family:var(--body);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--ambar);outline-offset:3px;border-radius:2px}

/* chapa perfurada de fundo */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(143,163,173,.13) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 10%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 10%,transparent 75%);
}

.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}

/* ── TIPOGRAFIA ─────────────────────────────── */
.disp{
  font-family:var(--disp);font-weight:800;
  font-variation-settings:'wdth' 118,'wght' 800;
  line-height:.92;letter-spacing:-.015em;text-transform:uppercase;
  margin:0;
}
.eyebrow{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--zinco);margin:0 0 18px;
  display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--ambar);flex:none}
.lede{color:var(--zinco-claro);font-size:clamp(16px,1.9vw,19px);max-width:52ch;margin:0}

/* ── CABEÇALHO ──────────────────────────────── */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;gap:clamp(16px,3vw,40px);
  padding:14px var(--gut);
  background:rgba(11,15,18,0);border-bottom:1px solid transparent;
  transition:background .45s ease,border-color .45s ease,backdrop-filter .45s ease;
}
.topbar.solid{
  background:rgba(11,15,18,.82);backdrop-filter:blur(14px);
  border-bottom-color:rgba(143,163,173,.16);
}
.brand{display:flex;align-items:center;gap:11px;flex:none}
#dock{width:44px;height:44px;flex:none;border-radius:50%}

/* ── MARCA ──────────────────────────────────────
   Logo sem fundo, direto sobre o grafite. O arquivo
   -dark tem o azul da marca clareado (#4E7BFF) só
   para render em fundo escuro: o #0000FF original
   dava 2,2:1 de contraste e sumia. O logo-marca.png
   original continua na pasta para uso em impresso
   e em qualquer fundo claro.                       */
.marca-img{display:block;width:auto;height:auto;object-fit:contain}

.brand-name{
  display:flex;align-items:center;
  opacity:0;transform:translateX(-8px);transition:opacity .5s ease,transform .5s ease;
}
.brand-name .marca-img{height:34px}
.topbar.solid .brand-name{opacity:1;transform:none}
.navlinks{display:flex;gap:clamp(14px,2.2vw,30px);margin-left:auto}
.navlinks a{
  font-family:var(--mono);font-size:12px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--zinco);padding:6px 0;position:relative;transition:color .25s;
}
.navlinks a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--ambar);
  transition:width .3s cubic-bezier(.2,.8,.2,1);
}
.navlinks a:hover{color:var(--aco)}
.navlinks a:hover::after{width:100%}

.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;
  padding:12px 20px;border-radius:2px;transition:transform .25s cubic-bezier(.2,.8,.2,1),background .25s,color .25s,border-color .25s;
}
.btn-solid{background:var(--ambar);color:#141005;font-weight:500}
.btn-solid:hover{background:#FFC04D;transform:translateY(-2px)}
.btn-ghost{border:1px solid rgba(143,163,173,.36);color:var(--zinco-claro)}
.btn-ghost:hover{border-color:var(--aco);color:var(--aco);transform:translateY(-2px)}
.btn svg{width:16px;height:16px;flex:none}

.burger{display:none;margin-left:auto;padding:8px;flex-direction:column;gap:5px}
.burger span{display:block;width:24px;height:2px;background:var(--aco);transition:transform .3s,opacity .3s}
.burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ── CONDUTOR: barra de progresso = água descendo ── */
.condutor{
  position:fixed;left:calc(var(--gut) / 2);top:0;bottom:0;width:var(--rail);z-index:55;
  display:flex;flex-direction:column;align-items:center;pointer-events:none;
}
.condutor .tubo{
  position:relative;width:3px;flex:1;margin:96px 0 76px;
  background:rgba(143,163,173,.16);border-radius:2px;overflow:hidden;
}
.condutor .agua{
  position:absolute;top:0;left:0;right:0;height:0%;
  background:linear-gradient(180deg,rgba(111,203,228,.15),var(--agua));
  box-shadow:0 0 12px rgba(111,203,228,.55);
}
.condutor .pct{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--zinco);
  writing-mode:vertical-rl;margin-bottom:22px;
}

/* ── HERO ───────────────────────────────────── */
.hero{
  position:relative;z-index:2;min-height:100svh;
  display:flex;align-items:center;padding:120px 0 60px;
}
#wind{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.5}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(24px,4vw,60px);align-items:center;width:100%;
}
.hero .marca-img{
  height:clamp(40px,5vw,58px);
  margin:0 0 clamp(20px,2.6vw,30px);
}
.hero h1{font-size:clamp(44px,7.4vw,104px);margin:0 0 26px}
.hero h1 em{
  font-style:normal;display:block;color:var(--zinco);
  font-variation-settings:'wdth' 96,'wght' 500;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.linhas{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(143,163,173,.18);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.11em;color:var(--zinco);
  text-transform:uppercase;line-height:2;
}
.linhas b{color:var(--zinco-claro);font-weight:400}

/* slot que a turbina ocupa */
#heroSlot{width:100%;aspect-ratio:1;max-width:560px;margin-inline:auto;position:relative}
#heroSlot::after{
  content:"";position:absolute;left:50%;top:50%;translate:-50% -50%;
  width:78%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(255,176,32,.12),transparent 62%);
  filter:blur(28px);
}

/* turbina viajante */
#mover{
  position:fixed;left:0;top:0;z-index:61;pointer-events:none;width:560px;height:560px;
  transform-origin:50% 50%;will-change:transform;
}
#turbina{width:560px;height:560px;display:block;touch-action:pan-y}
.medidor{
  position:absolute;left:50%;bottom:-6px;translate:-50% 0;
  display:flex;gap:22px;font-family:var(--mono);font-size:11px;letter-spacing:.13em;
  color:var(--zinco);text-transform:uppercase;white-space:nowrap;
}
.medidor b{color:var(--ambar);font-weight:500;font-variant-numeric:tabular-nums}
.dica{
  position:absolute;left:50%;bottom:-30px;translate:-50% 0;
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:rgba(143,163,173,.55);
  text-transform:uppercase;white-space:nowrap;
}

/* ── SEÇÕES ─────────────────────────────────── */
section{position:relative;z-index:2}
.bloco{padding:clamp(80px,11vw,150px) 0}
.bloco-head{margin-bottom:clamp(40px,6vw,72px);max-width:64ch}
.bloco-head h2{font-size:clamp(34px,5.6vw,72px);margin:0 0 18px}

/* ── PRODUTOS ───────────────────────────────── */
.produtos{display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(12px,1.6vw,22px)}
.card{
  grid-column:span 2;position:relative;overflow:hidden;border-radius:3px;
  background:var(--grafite-2);border:1px solid rgba(143,163,173,.14);
  text-align:left;display:flex;flex-direction:column;
  transition:border-color .35s ease,transform .5s cubic-bezier(.2,.8,.2,1);
}
.card.wide{grid-column:span 3}
.card.full{grid-column:span 6}
.card:hover{border-color:rgba(255,176,32,.55);transform:translateY(-4px)}
.card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--chapa)}
.card.full .card-img{aspect-ratio:21/8}
.card-img img{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.72) contrast(1.06) brightness(.86);
  transition:transform .8s cubic-bezier(.2,.8,.2,1),filter .5s ease;
}
.card:hover .card-img img{transform:scale(1.06);filter:saturate(1) contrast(1.06) brightness(1)}
.card-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(11,15,18,.86));
}
.card-body{padding:20px clamp(16px,2vw,26px) 24px;flex:1;display:flex;flex-direction:column}
.card-body h3{
  font-family:var(--disp);font-variation-settings:'wdth' 110,'wght' 700;
  font-size:clamp(19px,2.1vw,26px);text-transform:uppercase;letter-spacing:-.01em;
  margin:0 0 10px;line-height:1.05;
}
.card-body p{margin:0 0 18px;color:var(--zinco);font-size:15px;line-height:1.55}
.card-tag{
  margin-top:auto;font-family:var(--mono);font-size:11px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--ambar);display:flex;align-items:center;gap:8px;
}
.card-tag span{transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.card:hover .card-tag span{transform:translateX(5px)}

/* ── CLIENTES ───────────────────────────────── */
.clientes{overflow:hidden;padding-block:8px;
  mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent);
}
.fita{display:flex;width:max-content;gap:clamp(20px,3vw,48px);align-items:center}
.fita.a{animation:desliza 42s linear infinite}
.fita.b{animation:desliza 52s linear infinite reverse;margin-top:clamp(12px,1.8vw,24px)}
.clientes:hover .fita{animation-play-state:paused}
@keyframes desliza{to{transform:translateX(-50%)}}
.logo{
  flex:none;height:clamp(76px,9vw,110px);width:clamp(140px,17vw,215px);
  display:grid;place-items:center;padding:16px 22px;
  background:var(--grafite-2);border:1px solid rgba(143,163,173,.13);border-radius:3px;
  transition:border-color .3s,background .3s;
}
.logo img{
  max-height:100%;width:auto;object-fit:contain;
  filter:grayscale(1) brightness(1.85) contrast(.72);opacity:.62;
  transition:filter .4s ease,opacity .4s ease;
}
.logo:hover{border-color:rgba(255,176,32,.4);background:var(--chapa)}
.logo:hover img{filter:none;opacity:1}
.nota{
  margin-top:32px;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--zinco);text-align:center;
}

/* ── LOCALIZAÇÃO ────────────────────────────── */
.local{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(16px,2.4vw,32px);align-items:stretch}
.mapa{
  position:relative;border-radius:3px;overflow:hidden;min-height:420px;
  border:1px solid rgba(143,163,173,.16);background:var(--grafite-2);
}
.mapa iframe{
  width:100%;height:100%;border:0;position:absolute;inset:0;
  filter:invert(92%) hue-rotate(184deg) saturate(.42) contrast(.92) brightness(.94);
}
.ficha{
  background:var(--grafite-2);border:1px solid rgba(143,163,173,.16);border-radius:3px;
  padding:clamp(26px,3.4vw,44px);display:flex;flex-direction:column;gap:26px;
}
.linha-info{border-top:1px solid rgba(143,163,173,.14);padding-top:18px}
.linha-info:first-of-type{border-top:0;padding-top:0}
.linha-info dt{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--zinco);margin-bottom:8px;
}
.linha-info dd{margin:0;font-size:16.5px;color:var(--aco);line-height:1.5}
.linha-info dd a:hover{color:var(--ambar)}

/* ── CONTATO ────────────────────────────────── */
.contato{
  border-top:1px solid rgba(143,163,173,.16);
  background:linear-gradient(180deg,var(--grafite),#0E1519);
}
.contato-in{display:grid;grid-template-columns:1fr auto;gap:clamp(28px,5vw,64px);align-items:end}
.contato h2{font-size:clamp(38px,7vw,90px);margin:0 0 20px}
.tel{
  font-family:var(--disp);font-variation-settings:'wdth' 100,'wght' 600;
  font-size:clamp(26px,3.6vw,46px);letter-spacing:-.01em;color:var(--ambar);
  display:inline-block;transition:opacity .25s;
}
.tel:hover{opacity:.78}
.contato .btn-solid{padding:18px 30px;font-size:13.5px}

/* ── RODAPÉ ─────────────────────────────────── */
footer{
  border-top:1px solid rgba(143,163,173,.16);padding:38px 0 44px;
  position:relative;z-index:2;
}
.foot{display:flex;flex-wrap:wrap;gap:18px 30px;align-items:center;justify-content:space-between}
.foot-marca{display:flex;align-items:center;gap:18px}
.foot-marca .marca-img{height:40px}
.foot p,.foot a{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--zinco);margin:0}
.foot a:hover{color:var(--aco)}
.tgma{display:inline-flex;align-items:center;gap:8px;color:var(--zinco)}
.tgma b{color:var(--ambar);font-weight:500;letter-spacing:.14em}
.tgma:hover b{text-decoration:underline;text-underline-offset:3px}

/* ── LIGHTBOX ───────────────────────────────── */
.lb{
  position:fixed;inset:0;z-index:200;display:none;
  background:rgba(7,10,12,.94);backdrop-filter:blur(8px);
  padding:clamp(16px,4vw,48px);
}
.lb.on{display:flex;flex-direction:column;animation:aparece .3s ease}
@keyframes aparece{from{opacity:0}to{opacity:1}}
.lb-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.lb-top h4{
  font-family:var(--disp);font-variation-settings:'wdth' 112,'wght' 700;
  font-size:clamp(18px,2.6vw,28px);text-transform:uppercase;margin:0;
}
.lb-fechar{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--zinco);padding:8px}
.lb-fechar:hover{color:var(--ambar)}
.lb-palco{
  flex:1;min-height:0;display:grid;place-items:center;position:relative;
}
.lb-palco img{max-width:100%;max-height:100%;object-fit:contain;border-radius:3px}
.lb-nav{
  position:absolute;top:50%;translate:0 -50%;width:46px;height:46px;
  display:grid;place-items:center;border:1px solid rgba(143,163,173,.35);
  border-radius:50%;background:rgba(11,15,18,.6);color:var(--aco);
}
.lb-nav:hover{border-color:var(--ambar);color:var(--ambar)}
.lb-nav.prev{left:0}
.lb-nav.next{right:0}
.lb-conta{
  text-align:center;margin-top:16px;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.16em;color:var(--zinco);
}

/* ── REVELAÇÃO NO SCROLL (corte de chapa) ───── */
.js .rev{
  opacity:0;transform:translateY(26px);
  clip-path:inset(0 0 100% 0);
  transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1),clip-path .9s cubic-bezier(.2,.8,.2,1);
}
.js .rev.vis{opacity:1;transform:none;clip-path:inset(0 0 0 0)}

/* ── PRELOADER ──────────────────────────────── */
#pre{
  display:none;position:fixed;inset:0;z-index:300;background:var(--grafite);
  place-items:center;gap:18px;align-content:center;
  transition:opacity .7s ease,visibility .7s;
}
.js #pre{display:grid}
#pre.off{opacity:0;visibility:hidden;display:none}
#pre .marca .marca-img{width:clamp(210px,40vw,340px)}
#pre .barra{width:min(240px,52vw);height:2px;background:rgba(143,163,173,.2);overflow:hidden}
#pre .barra i{display:block;height:100%;width:0;background:var(--ambar);transition:width .5s ease}


/* ── FALLBACK quando a imagem não carrega ───── */
.sem-img{
  position:absolute;inset:0;display:grid;place-items:center;padding:14px;
  background:
    repeating-linear-gradient(135deg,rgba(143,163,173,.055) 0 9px,transparent 9px 18px),
    var(--chapa);
}
.sem-img span{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(143,163,173,.72);text-align:center;line-height:1.7;
}
.logo .sem-img{position:relative;inset:auto;width:100%;height:100%;background:none}

/* gif original como modo alternativo */
#gifTurbina{
  position:absolute;left:50%;top:calc(50% - 10px);translate:-50% -50%;
  width:62%;height:auto;display:none;
}
#mover.gif #gifTurbina{display:block}
#mover.gif #turbina{visibility:hidden}

/* ── RESPONSIVO ─────────────────────────────── */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:8px}
  #heroSlot{max-width:min(380px,72vw);order:2}
  .hero-txt{order:1}
  .local{grid-template-columns:1fr}
  .mapa{min-height:320px}
  .condutor{display:none}
}
@media (max-width:820px){
  .navlinks{
    position:fixed;inset:0 0 auto;top:0;padding:96px var(--gut) 40px;
    flex-direction:column;gap:6px;background:rgba(11,15,18,.97);backdrop-filter:blur(16px);
    transform:translateY(-102%);transition:transform .5s cubic-bezier(.2,.8,.2,1);
    border-bottom:1px solid rgba(143,163,173,.2);margin-left:0;
  }
  .navlinks.aberto{transform:none;z-index:1}
  .navlinks a{font-size:15px;padding:14px 0;border-bottom:1px solid rgba(143,163,173,.1)}
  /* o burger vira X ao abrir, mas o painel é position:fixed e
     cobria ele. Sobe o burger acima do painel para o X ficar
     clicável e o menu ter como fechar. */
  .burger{display:flex;position:relative;z-index:2}
  .topbar .btn-solid{display:none}
  .produtos{grid-template-columns:repeat(2,1fr)}
  .card,.card.wide,.card.full{grid-column:span 2}
  .card.full .card-img{aspect-ratio:4/3}
  .contato-in{grid-template-columns:1fr;align-items:start}
  .dica{display:none}
}
@media (max-width:520px){
  .produtos{grid-template-columns:1fr}
  .card,.card.wide,.card.full{grid-column:span 1}
  .medidor{gap:14px;font-size:10px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .js .rev{opacity:1;transform:none;clip-path:none}
}