/* ================= TOKENS — TEMA CLARO ================= */
:root{
  --paper:#f7f6f4;
  --paper-2:#ffffff;
  --paper-3:#edecea;
  --ink:#17181a;
  --ink-soft:#4c4d52;
  --ink-mute:#8a8b90;
  --line:#dedcd8;
  --line-strong:#c9c7c2;
  --brand:#c11e19;
  --brand-dark:#8f1712;
  --steel:#5b5a5f;

  --f-display:'Sora', sans-serif;
  --f-body:'Inter', sans-serif;
  --f-tech:'Inter', sans-serif;

  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}
a{color:inherit;}
img,svg{display:block;max-width:100%;}
h1,h2,h3{
  font-family:var(--f-display);font-weight:700;
  letter-spacing:-0.015em;margin:0;color:var(--ink);
}
p{margin:0 0 1em;color:var(--ink-soft);}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}

/* ================= LAYOUT ================= */
section{padding:0 6vw;}
.section-head{
  display:flex;align-items:baseline;gap:1rem;
  max-width:var(--container);margin:0 auto;
  padding:6rem 0 2.5rem;
}
.section-head h2{font-size:clamp(1.9rem,3.5vw,2.7rem);}
.section-num{font-family:var(--f-tech);font-weight:600;color:var(--brand);font-size:0.8rem;letter-spacing:0.06em;}
.rule{flex:1;height:1px;background:var(--line-strong);}

/* ================= INTRO / ABERTURA ANIMADA ================= */
body.is-loading{overflow:hidden;height:100vh;}
.intro{
  position:fixed;inset:0;z-index:999;
  background:var(--paper);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .8s ease, visibility .8s ease;
  overflow:hidden;
}
.intro::before{
  /* leve textura de chapa ao fundo, quase imperceptível */
  content:'';position:absolute;inset:0;
  background:radial-gradient(120% 80% at 50% 40%, #ffffff 0%, var(--paper) 55%, #eceae7 100%);
}
.intro.intro-hide{opacity:0;visibility:hidden;pointer-events:none;}
.intro-center{
  position:relative;
  display:flex;flex-direction:column;align-items:center;gap:1.9rem;
  width:min(76vw,360px);
}

/* --- logo revelada pelo raio de corte --- */
.intro-logo-wrap{position:relative;width:100%;}
.intro-logo{
  width:100%;height:auto;display:block;
  clip-path:inset(0 100% 0 0);
  animation:logo-reveal 1.15s cubic-bezier(.5,0,.2,1) forwards;
  animation-delay:.25s;
}
@keyframes logo-reveal{to{clip-path:inset(0 0 0 0);}}

/* o "raio" que corre revelando a logo */
.intro-beam{
  position:absolute;top:-10%;bottom:-10%;left:0;width:2px;
  background:linear-gradient(180deg, transparent, var(--brand) 12%, #ff7a4d 50%, var(--brand) 88%, transparent);
  box-shadow:0 0 12px 3px rgba(193,30,25,0.55), 0 0 30px 8px rgba(255,120,70,0.28);
  opacity:0;
  animation:beam-run 1.15s cubic-bezier(.5,0,.2,1) forwards;
  animation-delay:.25s;
}
@keyframes beam-run{
  0%{left:0;opacity:0;}
  8%{opacity:1;}
  88%{opacity:1;}
  100%{left:100%;opacity:0;}
}

/* --- linha de progresso com cabeça luminosa --- */
.intro-line{
  position:relative;width:100%;height:2px;
  background:rgba(23,24,26,0.09);border-radius:2px;
  opacity:0;animation:fade-in .5s ease forwards;animation-delay:1.15s;
}
.intro-line-fill{
  position:absolute;inset:0 auto 0 0;width:0;
  background:var(--brand);border-radius:2px;
  animation:line-fill 1.25s cubic-bezier(.35,0,.2,1) forwards;
  animation-delay:1.2s;
}
.intro-line-head{
  position:absolute;top:50%;left:0;width:5px;height:5px;margin-top:-2.5px;
  background:var(--brand);border-radius:50%;
  box-shadow:0 0 8px 3px rgba(193,30,25,0.5);
  animation:head-run 1.25s cubic-bezier(.35,0,.2,1) forwards;
  animation-delay:1.2s;opacity:0;
}
@keyframes line-fill{to{width:100%;}}
@keyframes head-run{
  0%{left:0;opacity:1;}
  92%{opacity:1;}
  100%{left:100%;opacity:0;}
}

/* --- tagline com letras entrando uma a uma --- */
.intro-tag{
  margin:0;display:flex;
  font-family:var(--f-display);font-weight:600;
  font-size:0.66rem;letter-spacing:0.34em;
  color:var(--ink-mute);text-transform:uppercase;
}
.intro-tag span{
  opacity:0;transform:translateY(6px);
  animation:letter-in .45s ease forwards;
}
.intro-tag span.sp{animation:none;opacity:1;transform:none;}
.intro-tag span:nth-child(1){animation-delay:1.30s}
.intro-tag span:nth-child(2){animation-delay:1.35s}
.intro-tag span:nth-child(3){animation-delay:1.40s}
.intro-tag span:nth-child(4){animation-delay:1.45s}
.intro-tag span:nth-child(5){animation-delay:1.50s}
.intro-tag span:nth-child(6){animation-delay:1.55s}
.intro-tag span:nth-child(7){animation-delay:1.60s}
.intro-tag span:nth-child(8){animation-delay:1.65s}
.intro-tag span:nth-child(10){animation-delay:1.72s}
.intro-tag span:nth-child(11){animation-delay:1.77s}
.intro-tag span:nth-child(12){animation-delay:1.82s}
.intro-tag span:nth-child(13){animation-delay:1.87s}
.intro-tag span:nth-child(14){animation-delay:1.92s}
.intro-tag span:nth-child(15){animation-delay:1.97s}
.intro-tag span:nth-child(16){animation-delay:2.02s}
.intro-tag span:nth-child(17){animation-delay:2.07s}
@keyframes letter-in{to{opacity:1;transform:translateY(0);}}
@keyframes fade-in{to{opacity:1;}}

@media (prefers-reduced-motion: reduce){
  .intro-logo{clip-path:none;animation:none;}
  .intro-beam{display:none;}
  .intro-line{opacity:1;animation:none;}
  .intro-line-fill{width:100%;animation:none;}
  .intro-line-head{display:none;}
  .intro-tag span{opacity:1;transform:none;animation:none;}
}

/* ================= HEADER ================= */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,244,0.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.title-block{
  display:flex;align-items:center;gap:1rem;
  max-width:var(--container);margin:0 auto;
  padding:0.65rem 6vw 0;
}
.tb-cell{border-left:1px solid var(--line-strong);padding-left:0.85rem;}
.tb-mark{display:flex;align-items:center;border-left:none;padding-left:0;}
.brand-logo{height:36px;width:auto;}
.tb-name{display:flex;flex-direction:column;line-height:1.25;}
.brand-full{font-family:var(--f-display);font-weight:700;font-size:0.78rem;letter-spacing:0.06em;color:var(--ink);}
.brand-sub{font-family:var(--f-tech);font-weight:500;font-size:0.63rem;letter-spacing:0.14em;color:var(--ink-mute);}

.site-nav{
  max-width:var(--container);margin:0 auto;
  display:flex;align-items:center;gap:2rem;
  padding:0.6rem 6vw 0.85rem;
}
#nav-list{
  list-style:none;display:flex;gap:1.6rem;margin:0;padding:0;
  font-family:var(--f-body);font-weight:500;font-size:0.82rem;letter-spacing:0.01em;
}
#nav-list a{text-decoration:none;color:var(--ink-soft);border-bottom:2px solid transparent;padding-bottom:3px;transition:color .2s,border-color .2s;}
#nav-list a:hover{color:var(--ink);border-color:var(--brand);}
.nav-cta{
  margin-left:auto;
  font-family:var(--f-body);font-weight:600;font-size:0.82rem;
  color:#fff;background:var(--brand);
  padding:0.6rem 1.15rem;text-decoration:none;border-radius:3px;
  transition:background .2s;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--brand-dark);}
.nav-toggle{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:0.4rem;}
.nav-toggle span{width:22px;height:2px;background:var(--ink);}


/* ================= HERO FULL-BLEED ================= */
.hero{
  position:relative;
  min-height:clamp(520px, 82vh, 820px);
  padding:0 6vw;
  display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;
  background:#141517;
  isolation:isolate;
}

/* fundo: 4 painéis independentes com recorte diagonal
   geometria: painel = 25% da tela, corte deslocando 5,6% do topo à base */
.hero-bg{position:absolute;inset:0;z-index:-1;overflow:hidden;background:#101113;}

.hp{
  position:absolute;top:0;bottom:0;
  width:30.6%;
  overflow:hidden;
  /* recorte: topo deslocado à direita, base à esquerda */
  clip-path:polygon(19.28% 0, 99.02% 0, 80.72% 100%, 0.98% 100%);
}
.hp[data-i="0"]{left:-2.80%;}
.hp[data-i="1"]{left:22.20%;}
.hp[data-i="2"]{left:47.20%;}
.hp[data-i="3"]{left:72.20%;}
/* pontas sangram reto até a borda da tela */
.hp[data-edge="left"]{clip-path:polygon(0 0, 99.02% 0, 80.72% 100%, 0 100%);}
.hp[data-edge="right"]{clip-path:polygon(19.28% 0, 100% 0, 100% 100%, 0.98% 100%);}

.hp-img{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  will-change:transform;
  transition:transform .8s cubic-bezier(.2,.8,.25,1), filter .45s ease;
}
.hp-veil{
  position:absolute;inset:0;
  background:rgba(16,17,19,0.46);
  transition:background .45s ease;
}

/* ao destacar uma máquina: painel escolhido clareia, os outros recuam */
.hero.is-focus .hp-veil{background:rgba(16,17,19,0.70);}
.hero.is-focus .hp.is-lit .hp-veil{background:rgba(16,17,19,0.08);}
.hero.is-focus .hp.is-lit .hp-img{transform:scale(1.05);}
.hero.is-focus .hp:not(.is-lit) .hp-img{filter:saturate(0.6);}

/* gradiente de leitura: escurece a esquerda e a base */
.hero-shade{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg, rgba(12,13,15,0.86) 0%, rgba(12,13,15,0.62) 32%, rgba(12,13,15,0.18) 62%, rgba(12,13,15,0.32) 100%),
    linear-gradient(0deg, rgba(12,13,15,0.78) 0%, transparent 34%);
}

/* conteúdo */
.hero-inner{
  position:relative;
  max-width:var(--container);width:100%;margin:0 auto;
  padding:5.5rem 0 3rem;
}
.hero .eyebrow{
  font-family:var(--f-tech);font-weight:600;
  font-size:0.74rem;letter-spacing:0.14em;text-transform:uppercase;
  color:#ff8f6b;
  display:flex;align-items:center;gap:0.6rem;margin-bottom:1.2rem;
}
.hero .tick{width:22px;height:1px;background:#ff8f6b;display:inline-block;}
.hero h1{
  font-size:clamp(2.4rem,5.4vw,4.3rem);line-height:1.03;font-weight:700;
  color:#fff;text-shadow:0 2px 28px rgba(0,0,0,0.5);
  max-width:18ch;
}
.hero h1 .accent{color:#ff5a4d;}
.hero-lede{
  max-width:46ch;font-size:1.06rem;margin-top:1.5rem;
  color:rgba(255,255,255,0.82);text-shadow:0 1px 14px rgba(0,0,0,0.55);
}
.hero-actions{display:flex;gap:1rem;margin-top:2rem;flex-wrap:wrap;}
.btn-glass{
  border-color:rgba(255,255,255,0.42);color:#fff;
  background:rgba(255,255,255,0.06);
  backdrop-filter:blur(6px);
}
.btn-glass:hover{background:rgba(255,255,255,0.16);border-color:#fff;}

/* legendas das máquinas */
.hero-machines{
  position:relative;
  max-width:var(--container);width:100%;margin:0 auto;
  list-style:none;padding:0 0 3.5rem;
  display:grid;grid-template-columns:repeat(4,1fr);gap:0.5rem;
}
.hero-machines li{
  display:flex;align-items:baseline;gap:0.55rem;
  padding:0.85rem 0 0;
  border-top:1px solid rgba(255,255,255,0.22);
  cursor:default;
  transition:border-color .3s;
}
.hero-machines li:hover{border-color:var(--brand);}
.hm-num{
  font-family:var(--f-tech);font-weight:600;font-size:0.68rem;letter-spacing:0.08em;
  color:#ff8f6b;
}
.hm-name{
  font-family:var(--f-display);font-weight:600;
  font-size:clamp(0.8rem,1.3vw,1.02rem);color:#fff;
  text-shadow:0 1px 10px rgba(0,0,0,0.6);
}

/* indicação de rolagem */
.hero-cue{
  position:absolute;left:50%;bottom:1.1rem;
  width:1px;height:44px;overflow:hidden;
  background:rgba(255,255,255,0.22);
  transform:translateX(-50%);
}
.hero-cue-line{
  position:absolute;top:-44px;left:0;width:1px;height:44px;
  background:var(--brand);
  animation:cue-run 2.1s cubic-bezier(.6,0,.4,1) infinite;
}
@keyframes cue-run{
  0%{top:-44px;} 60%{top:44px;} 100%{top:44px;}
}

/* faixa técnica sob o hero */
.spec-strip{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-bottom:1px solid var(--line);
  background:var(--paper-2);
}
.spec-item{
  padding:1.3rem 1.35rem;border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:0.35rem;
}
.spec-item:first-child{border-left:none;}
.spec-k{
  font-family:var(--f-tech);font-weight:600;font-size:0.65rem;
  letter-spacing:0.12em;text-transform:uppercase;color:var(--ink-mute);
}
.spec-v{font-family:var(--f-body);font-weight:600;font-size:0.88rem;color:var(--ink);}

@media (max-width:900px){
  .hero{min-height:auto;padding-bottom:0;}
  .hero-inner{padding:4rem 0 2rem;}
  .hero h1{max-width:100%;}
  
  .hero-machines{grid-template-columns:repeat(2,1fr);gap:0.4rem 1.25rem;padding-bottom:3rem;}
  .hero-cue{display:none;}
  .spec-strip{grid-template-columns:repeat(2,1fr);}
  .spec-item:nth-child(3){border-left:none;}
}
@media (max-width:520px){
  .hero-machines{grid-template-columns:1fr 1fr;}
  
}

/* ---- figura da seção Sobre ---- */
.sobre-figure{margin:0 0 0.5rem;}
.sobre-figure img{
  width:100%;height:auto;display:block;border-radius:6px;
  box-shadow:0 20px 48px -24px rgba(23,24,26,0.4);
}
.sobre-figure figcaption{
  font-family:var(--f-tech);font-size:0.68rem;font-weight:500;
  color:var(--ink-mute);margin-top:0.6rem;line-height:1.5;
}

/* ================= SOBRE ================= */
.sobre-grid{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:1.4fr 1fr;gap:4rem;
  padding-bottom:6rem;
}
.sobre-text .lead{font-size:1.3rem;line-height:1.5;color:var(--ink);font-weight:500;}
.valores{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.25rem;border-top:1px solid var(--line);padding-top:1.75rem;}
.valor-item .valor-k{font-family:var(--f-tech);font-weight:600;font-size:0.68rem;text-transform:uppercase;letter-spacing:0.09em;color:var(--brand);display:block;margin-bottom:0.5rem;line-height:1.4;}
.valor-item p{font-size:0.88rem;margin:0;}
.sobre-annot{display:flex;flex-direction:column;gap:1.5rem;}
.annot-block{border-left:2px solid var(--brand);padding-left:1.1rem;background:var(--paper-2);padding:1.1rem 1.25rem 1.1rem 1.25rem;border-radius:0 4px 4px 0;border-left:3px solid var(--brand);}
.annot-label{display:block;font-family:var(--f-tech);font-weight:600;font-size:0.65rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--brand);margin-bottom:0.45rem;}
.annot-block p{font-size:0.92rem;margin:0;}

/* ================= SERVIÇOS ================= */
.servicos{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.servicos-grid{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;
  padding-bottom:6rem;
}
.proc-card{
  position:relative;background:var(--paper);
  border:1px solid var(--line);border-radius:6px;
  overflow:hidden;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.proc-card:hover{
  transform:translateY(-5px);
  border-color:var(--line-strong);
  box-shadow:0 20px 44px -20px rgba(23,24,26,0.25);
}
.proc-img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;border-bottom:1px solid var(--line);}
.proc-body{padding:1.4rem 1.4rem 1.5rem;}
.proc-tag{font-family:var(--f-tech);font-weight:600;font-size:0.68rem;letter-spacing:0.1em;color:var(--brand);}
.proc-card h3{margin:0.55rem 0 0.5rem;font-size:1.12rem;}
.proc-card p{font-size:0.88rem;margin-bottom:0.9rem;}
.proc-spec{font-family:var(--f-tech);font-weight:600;font-size:0.64rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--ink-mute);}
.proc-corner{display:none;}

/* ================= MATERIAIS — FERRAMENTA INTERATIVA ================= */
.materiais{padding-bottom:6rem;}
.mat-lede{max-width:62ch;margin:0 auto 2.5rem;font-size:1rem;color:var(--ink-soft);}
.materiais > .mat-lede{max-width:var(--container);}

.mat-tool{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:1fr 340px;gap:2.5rem;align-items:start;
}

.mat-field{margin-bottom:2rem;}
.mat-label{
  display:flex;align-items:center;gap:0.55rem;
  font-family:var(--f-tech);font-weight:600;font-size:0.72rem;
  letter-spacing:0.1em;text-transform:uppercase;color:var(--ink-mute);
  margin-bottom:0.85rem;
}
.mat-label i{
  display:flex;align-items:center;justify-content:center;
  width:18px;height:18px;border-radius:50%;
  background:var(--brand);color:#fff;
  font-style:normal;font-size:0.62rem;font-weight:600;
}
.mat-label em{font-style:normal;color:var(--line-strong);text-transform:none;letter-spacing:0;}

/* botões de material */
.mat-chips{display:flex;flex-wrap:wrap;gap:0.55rem;}
.mat-chip{
  font-family:var(--f-body);font-weight:600;font-size:0.85rem;
  padding:0.6rem 1.1rem;cursor:pointer;
  background:var(--paper-2);color:var(--ink-soft);
  border:1px solid var(--line);border-radius:3px;
  transition:all .18s;
}
.mat-chip:hover{border-color:var(--line-strong);color:var(--ink);}
.mat-chip.is-on{
  background:var(--ink);border-color:var(--ink);color:#fff;
}

/* grade de espessuras */
.mat-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(74px,1fr));gap:0.5rem;
}
.mat-cell{
  position:relative;
  font-family:var(--f-body);font-weight:600;font-size:0.88rem;
  padding:0.7rem 0.3rem;cursor:pointer;
  background:var(--paper-2);color:var(--ink);
  border:1px solid var(--line);border-radius:3px;
  transition:all .16s;
}
.mat-cell:hover:not(:disabled){
  border-color:var(--brand);color:var(--brand);
  transform:translateY(-2px);
}
.mat-cell.is-on{
  background:var(--brand);border-color:var(--brand);color:#fff;
  box-shadow:0 8px 20px -10px rgba(193,30,25,0.5);
}
.mat-cell.is-off{
  color:var(--line-strong);background:transparent;
  border-style:dashed;cursor:not-allowed;
}
.mat-hint{
  font-size:0.82rem;color:var(--ink-mute);margin:0.9rem 0 0;
}

/* painel de leitura */
.mat-panel{
  border:1px solid var(--line);border-radius:6px;background:var(--paper-2);
  padding:1.6rem;position:sticky;top:118px;
  display:flex;flex-direction:column;gap:1.35rem;
}
.mat-readout-main{display:flex;align-items:baseline;gap:0.4rem;}
.mat-mm{
  font-family:var(--f-display);font-weight:700;
  font-size:2.9rem;line-height:1;color:var(--ink);
}
.mat-unit{font-family:var(--f-display);font-weight:600;font-size:1.1rem;color:var(--ink-mute);}
.mat-readout-sub{display:flex;align-items:center;gap:0.65rem;margin-top:0.45rem;flex-wrap:wrap;}
.mat-pol{font-family:var(--f-tech);font-weight:600;font-size:1rem;color:var(--brand);}
.mat-gauge{
  font-family:var(--f-tech);font-weight:600;font-size:0.7rem;letter-spacing:0.06em;
  text-transform:uppercase;color:var(--ink-soft);
  border:1px solid var(--line-strong);border-radius:2px;padding:0.22rem 0.5rem;
}

/* visual em escala */
.mat-visual{display:flex;flex-direction:column;gap:0.5rem;}
.mat-scale{
  position:relative;height:96px;border-radius:3px;
  background:var(--paper-3);
  border:1px solid var(--line);
  display:flex;align-items:flex-end;overflow:hidden;
}
.mat-scale::before{
  /* régua de referência */
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(180deg,
    rgba(23,24,26,0.07) 0px, rgba(23,24,26,0.07) 1px,
    transparent 1px, transparent 12px);
  pointer-events:none;
}
.mat-bar{
  width:100%;height:10%;
  background:url('img/steel_face.jpg');
  background-size:cover;background-position:center;
  border-top:1px solid rgba(255,255,255,0.55);
  box-shadow:inset 0 -3px 6px rgba(0,0,0,0.28);
  transition:height .4s cubic-bezier(.2,.85,.25,1);
}
.mat-scale-note{font-family:var(--f-tech);font-size:0.68rem;color:var(--ink-mute);}

/* especificações */
.mat-specs{margin:0;display:flex;flex-direction:column;gap:0.7rem;}
.mat-specs > div{
  display:flex;justify-content:space-between;align-items:baseline;gap:1rem;
  padding-bottom:0.65rem;border-bottom:1px solid var(--line);
}
.mat-specs dt{
  font-family:var(--f-tech);font-weight:600;font-size:0.68rem;
  letter-spacing:0.08em;text-transform:uppercase;color:var(--ink-mute);
}
.mat-specs dd{margin:0;font-weight:600;font-size:0.9rem;color:var(--ink);text-align:right;}

/* calculadora */
.mat-calc{display:flex;flex-direction:column;gap:0.75rem;}
.mat-calc-title{
  font-family:var(--f-tech);font-weight:600;font-size:0.68rem;
  letter-spacing:0.08em;text-transform:uppercase;color:var(--ink-mute);
}
.mat-calc-row{display:grid;grid-template-columns:1fr 1fr 0.7fr;gap:0.5rem;}
.mat-calc-row label{
  display:flex;flex-direction:column;gap:0.25rem;
  font-family:var(--f-tech);font-size:0.62rem;font-weight:600;
  letter-spacing:0.06em;text-transform:uppercase;color:var(--ink-mute);
}
.mat-calc-row label em{font-style:normal;color:var(--line-strong);}
.mat-calc-row input{
  font-family:var(--f-body);font-size:0.9rem;font-weight:500;
  padding:0.5rem 0.55rem;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:3px;
  width:100%;
}
.mat-calc-row input:focus{border-color:var(--brand);outline:none;}
.mat-calc-out{
  display:flex;justify-content:space-between;align-items:baseline;
  padding:0.7rem 0.85rem;border-radius:3px;
  background:var(--paper);border:1px solid var(--line);
}
.mat-calc-label{
  font-family:var(--f-tech);font-weight:600;font-size:0.65rem;
  letter-spacing:0.08em;text-transform:uppercase;color:var(--ink-mute);
}
.mat-calc-out strong{font-family:var(--f-display);font-weight:700;font-size:1.15rem;color:var(--ink);}
.mat-calc-note{font-size:0.7rem;color:var(--ink-mute);margin:0;line-height:1.45;}

.mat-cta{text-align:center;}

/* tabela recolhível */
.mat-table{
  max-width:var(--container);margin:3rem auto 0;
  border-top:1px solid var(--line);padding-top:1.5rem;
}
.mat-table summary{
  cursor:pointer;list-style:none;
  font-family:var(--f-body);font-weight:600;font-size:0.9rem;color:var(--ink);
  display:flex;align-items:center;gap:0.6rem;
  padding:0.4rem 0;
}
.mat-table summary::-webkit-details-marker{display:none;}
.mat-table summary::before{
  content:'+';color:var(--brand);font-weight:700;font-size:1.1rem;line-height:1;
}
.mat-table[open] summary::before{content:'–';}
.mat-table summary:hover{color:var(--brand);}
.mat-table .tabela-scroll{margin-top:1.25rem;}

.tabela-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:6px;background:var(--paper-2);}
.tabela-materiais{width:100%;border-collapse:collapse;font-size:0.9rem;}
.tabela-materiais th{
  font-family:var(--f-tech);font-weight:600;font-size:0.7rem;letter-spacing:0.08em;text-transform:uppercase;
  color:var(--ink-mute);text-align:left;
  padding:0.95rem 1.4rem;border-bottom:1px solid var(--line);
  background:var(--paper-3);
}
.tabela-materiais td{
  padding:1rem 1.4rem;border-bottom:1px solid var(--line);
  color:var(--ink-soft);vertical-align:top;
}
.tabela-materiais td:first-child{
  color:var(--ink);font-weight:600;white-space:nowrap;
  border-left:3px solid var(--brand);
}
.tabela-materiais tr:last-child td{border-bottom:none;}
.tabela-materiais td:last-child{font-family:var(--f-tech);font-size:0.88rem;line-height:2;letter-spacing:0.01em;}
.tabela-note{font-size:0.88rem;color:var(--ink-mute);margin-top:1rem;}

@media (max-width:900px){
  .mat-tool{grid-template-columns:1fr;gap:2rem;}
  .mat-panel{position:static;}
}
@media (max-width:520px){
  .mat-grid{grid-template-columns:repeat(auto-fill,minmax(64px,1fr));}
  .mat-mm{font-size:2.4rem;}
}

/* ================= TECNOLOGIA ================= */
.tecnologia{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.tec-grid{
  max-width:var(--container);margin:0 auto 6rem;
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden;
}
.tec-item{background:var(--paper-2);padding:2.4rem 2.2rem;}
.tec-k{font-family:var(--f-tech);font-weight:600;font-size:0.65rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--brand);display:block;margin-bottom:0.8rem;}
.tec-item h3{font-size:1.18rem;margin-bottom:0.6rem;}
.tec-item p{font-size:0.92rem;margin:0;}

/* ================= CONTATO ================= */
.contato-grid{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:1.2fr 0.8fr;gap:4rem;
  padding-bottom:7rem;
}
.contato-grid--simple{align-items:center;}
.contato-lede .lead{font-size:1.25rem;line-height:1.5;color:var(--ink);font-weight:500;}
.contato-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1.75rem;}
.contato-actions .btn-whatsapp,.contato-actions .btn-ghost{margin-top:0;}
.tb-mini{
  border:1px solid var(--line);border-radius:6px;background:var(--paper-2);
  padding:1.75rem;
  display:grid;grid-template-columns:auto 1fr;gap:0.6rem 1.25rem;align-items:baseline;
}
.tb-mini-label{font-family:var(--f-tech);font-weight:600;font-size:0.65rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--ink-mute);}
.tb-mini-val{font-family:var(--f-body);font-weight:500;font-size:0.9rem;color:var(--ink);word-break:break-word;}
.tb-mini-val a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line-strong);transition:color .2s,border-color .2s;}
.tb-mini-val a:hover{color:var(--brand);border-color:var(--brand);}

/* card do Google Maps */
.map-card{
  display:flex;align-items:center;gap:0.9rem;
  margin-top:1rem;padding:1rem 1.15rem;
  border:1px solid var(--line);border-radius:6px;background:var(--paper-2);
  text-decoration:none;
  transition:border-color .2s,box-shadow .2s,transform .15s;
}
.map-card:hover{
  border-color:var(--brand);
  box-shadow:0 14px 34px -18px rgba(193,30,25,0.3);
  transform:translateY(-2px);
}
.map-pin{
  flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;
  background:var(--brand);color:#fff;
}
.map-text{display:flex;flex-direction:column;line-height:1.4;}
.map-text strong{
  font-family:var(--f-body);font-weight:600;font-size:0.88rem;color:var(--ink);
}
.map-text{font-size:0.8rem;color:var(--ink-soft);}

/* ================= FOOTER ================= */
.site-footer{border-top:1px solid var(--line);padding:1.75rem 6vw;background:var(--paper-3);}
.footer-tb{
  max-width:var(--container);margin:0 auto;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:0.5rem;
  font-family:var(--f-tech);font-weight:500;font-size:0.72rem;letter-spacing:0.04em;color:var(--ink-mute);
}

/* ================= RESPONSIVE ================= */
@media (max-width:900px){
  
  
  .spec-strip{grid-template-columns:repeat(2,1fr);}
  .spec-item:nth-child(3){border-left:none;}
  .sobre-grid{grid-template-columns:1fr;gap:2.5rem;}
  .valores{grid-template-columns:1fr;}
  .servicos-grid{grid-template-columns:1fr 1fr;}
  .tec-grid{grid-template-columns:1fr;}
  .contato-grid{grid-template-columns:1fr;gap:2.5rem;}
}
@media (max-width:640px){
  .servicos-grid{grid-template-columns:1fr;}
  #nav-list{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:var(--paper);
    border-bottom:1px solid var(--line);
    padding:1rem 6vw;gap:1rem;
    display:none;
  }
  #nav-list.open{display:flex;}
  .nav-toggle{display:flex;}
  .site-nav{position:relative;flex-wrap:wrap;}
  .nav-cta{order:1;}
}

/* ==========================================================
   ANIMAÇÕES E MICRO-INTERAÇÕES
   ========================================================== */

/* ---- revelação no scroll ---- */
.anim-on [data-rv]{
  opacity:0;
  transform:translateY(22px);
  will-change:opacity,transform;
}
.anim-on [data-rv="fade"]{transform:none;}
.anim-on [data-rv="left"]{transform:translateX(-26px);}
.anim-on [data-rv="right"]{transform:translateX(26px);}
.anim-on [data-rv="scale"]{transform:scale(0.96);}
.anim-on [data-rv].rv-in{
  opacity:1;transform:none;
  transition:opacity .75s cubic-bezier(.22,.8,.28,1),
             transform .75s cubic-bezier(.22,.8,.28,1);
  transition-delay:calc(var(--rv-d, 0) * 85ms);
}

/* ---- barra de progresso de leitura ---- */
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:linear-gradient(90deg, var(--brand-dark), var(--brand));
  z-index:200;transition:width .08s linear;
  pointer-events:none;
}

/* ---- header reativo ---- */
.site-header{transition:box-shadow .3s ease, background .3s ease;}
.site-header.is-stuck{
  box-shadow:0 6px 24px -14px rgba(23,24,26,0.35);
  background:rgba(247,246,244,0.95);
}
.site-header.is-stuck .title-block{padding-top:0.4rem;}
.site-header.is-stuck .brand-logo{height:29px;}
.brand-logo{transition:height .3s ease;}
.title-block{transition:padding .3s ease;}

/* link ativo conforme a seção visível */
#nav-list a{position:relative;}
#nav-list a.is-active{color:var(--ink);border-color:var(--brand);}

/* ---- linha das seções que se desenha ---- */
.anim-on .section-head .rule{transform:scaleX(0);transform-origin:left;}
.anim-on .section-head.rv-in .rule{
  transform:scaleX(1);
  transition:transform 1s cubic-bezier(.22,.8,.28,1) .15s;
}

/* ---- faixa de números ---- */
.stats{
  background:var(--ink);
  padding:3.5rem 6vw;
  color:#fff;
}
.stats-grid{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,0.12);
}
.stats-item{
  background:var(--ink);
  padding:1.5rem 1.5rem 1.5rem 0;
  display:flex;flex-direction:column;gap:0.5rem;
  padding-left:1.75rem;
}
.stats-item:first-child{padding-left:0;}
.stats-num{
  font-family:var(--f-display);font-weight:700;
  font-size:clamp(2.1rem,4vw,3.1rem);line-height:1;
  color:#fff;letter-spacing:-0.02em;
}
.stats-num::after{content:'';}
.stats-label{
  font-family:var(--f-tech);font-weight:500;font-size:0.76rem;
  line-height:1.5;color:rgba(255,255,255,0.6);
}

/* ---- cards de serviço: zoom na imagem ---- */
.proc-img{transition:transform .6s cubic-bezier(.22,.8,.28,1);}
.proc-card{overflow:hidden;}
.proc-card:hover .proc-img{transform:scale(1.06);}
.proc-card h3{transition:color .25s;}
.proc-card:hover h3{color:var(--brand);}

/* ---- banner de topo: leve parallax ---- */


/* ---- células de espessura: pulso ao selecionar ---- */
@keyframes cell-pop{
  0%{transform:scale(1);}
  45%{transform:scale(1.13);}
  100%{transform:scale(1);}
}
.mat-cell.is-pop{animation:cell-pop .34s cubic-bezier(.3,1.4,.5,1);}

/* leitura de mm troca com fade rápido */
@keyframes val-in{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}
.mat-mm.is-new,.mat-pol.is-new{animation:val-in .3s ease;}

/* ---- botão flutuante de WhatsApp ---- */
.wa-float{
  position:fixed;right:clamp(1rem,3vw,2rem);bottom:clamp(1rem,3vw,2rem);
  z-index:150;
  display:flex;align-items:center;gap:0.55rem;
  padding:0.85rem 1.15rem;
  background:#128c4a;color:#fff;text-decoration:none;
  border-radius:999px;
  box-shadow:0 14px 34px -12px rgba(18,140,74,0.6);
  font-family:var(--f-body);font-weight:600;font-size:0.88rem;
  opacity:0;transform:translateY(18px) scale(0.94);pointer-events:none;
  transition:opacity .4s ease, transform .4s cubic-bezier(.2,.9,.3,1), background .2s;
}
.wa-float.is-vis{opacity:1;transform:none;pointer-events:auto;}
.wa-float:hover{background:#0d6b38;}
.wa-float svg{flex:0 0 auto;}
@media (max-width:520px){
  .wa-float{padding:0.85rem;}
  .wa-float-txt{display:none;}
}

/* ---- respeito a quem prefere menos movimento ---- */
@media (prefers-reduced-motion: reduce){
  .anim-on [data-rv]{opacity:1 !important;transform:none !important;}
  .anim-on .section-head .rule{transform:scaleX(1) !important;}
  .scroll-progress{display:none;}
  .proc-card:hover .proc-img{transform:none;}
  .mat-cell.is-pop,.mat-mm.is-new,.mat-pol.is-new{animation:none;}
  .wa-float{opacity:1;transform:none;pointer-events:auto;transition:none;}
}

@media (max-width:900px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stats-item{padding-left:1.25rem;}
  .stats-item:nth-child(3){padding-left:0;}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr;}
  .stats-item{padding-left:0;padding-top:1.25rem;}
}

/* legenda ativa do hero */
.hero-machines li{transition:border-color .3s, transform .3s;}
.hero-machines li.is-on{border-color:var(--brand);transform:translateY(-2px);}
.hero-machines li.is-on .hm-name{color:#fff;}
.hero-machines li.is-on .hm-num{color:var(--brand);}
.hero-machines li{position:relative;}
.hero-machines li::after{
  content:'';position:absolute;top:-1px;left:0;height:1px;width:0;
  background:var(--brand);transition:width .4s cubic-bezier(.2,.8,.2,1);
}
.hero-machines li.is-on::after{width:100%;}

@media (prefers-reduced-motion: reduce){
  .hero-cue-line{animation:none;}
  .hero-cue{display:none;}
}

/* ano de fundação em destaque */
.founded{
  color:var(--brand);font-weight:700;
  white-space:nowrap;position:relative;
}
.founded::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);opacity:0.22;border-radius:1px;
}

/* ícones dentro dos botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.6rem;}
.btn-ico{flex:0 0 auto;transition:transform .25s cubic-bezier(.3,1.3,.5,1);}
.btn:hover .btn-ico{transform:scale(1.12);}
.mat-cta{width:100%;}

/* texto acessível fora da tela */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* painéis do hero em telas menores: recorte mais suave e zoom para a máquina caber */
@media (max-width:900px){
  .hp-img{background-size:auto 118%;}
}
@media (max-width:640px){
  .hp{width:31.6%;}
  .hp[data-i="0"]{left:-3.3%;}
  .hp[data-i="1"]{left:21.7%;}
  .hp[data-i="2"]{left:46.7%;}
  .hp[data-i="3"]{left:71.7%;}
  .hp-img{background-size:auto 132%;}
  .hp-veil{background:rgba(16,17,19,0.56);}
}
@media (prefers-reduced-motion: reduce){
  .hp-img{transition:none;}
}