/* =========================================================
   IMAX ENERGIA — folha de estilo
   Kit enxuto: 4 arquétipos de seção.
   A — Manchete (.sec-head)          C — Split imagem/texto (.alt)
   B — Grade de cards (.grid/.card)  D — Faixa de destaque (.band)
   Blocos de cor chapados, sem gradiente decorativo, sem ondas.
   Fonte única: Archivo.
   ========================================================= */

/* ---------------------------------------------------------
   1. TOKENS
   --------------------------------------------------------- */
:root{
  --void:#071319;      /* fundo escuro principal */
  --deep:#0C222C;      /* fundo escuro secundário */
  --panel:#12303C;     /* cartão sobre fundo escuro */
  --petrol:#00647F;    /* azul da marca — ação */
  --petrol-2:#0E93B4;  /* petróleo luminoso, só sobre escuro */
  --sun:#F6B517;       /* amarelo — só dado, número ou CTA */
  --sun-soft:#FFD770;
  --mist:#EDF2F3;      /* fundo claro alternativo */
  --paper:#FFFFFF;
  --ink:#0B1A21;
  --muted:#5C6F78;

  --line:rgba(11,26,33,.12);
  --line-2:rgba(255,255,255,.14);

  --font:'Archivo',system-ui,-apple-system,'Segoe UI',sans-serif;

  --wrap:1140px;
  --wrap-wide:1200px;
  --gutter:clamp(22px,4vw,52px);
  --nav-h:80px;
  --r:4px;
  --sec-y:clamp(52px,6.5vw,88px);

  /* arco de assinatura (arquivo do Ivan, "ícone arco.svg") — crescente
     chapado, largo e raso, tapered nas pontas. Usado como máscara.
     Proporção natural ≈ 281.51774 / 79.639694 (3.535:1). */
  --arc:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 281.51774 79.639694'%3E%3Cpath fill='%23fff' fill-rule='evenodd' d='M0 79.6397 c42.54606 -106.18626 238.97273 -106.18626 281.51773 0 l-7.70732 -0.01 c-40.48125 -73.5267 -189.91262 -74.06724 -230.11394 -0.0294 Z'/%3E%3C/svg%3E");
  --arc-ratio:281.51774/79.639694;
  /* recorte da foto (arquivo do Ivan, Recorte_imagens.svg): a máscara é o
     retângulo cheio MENOS esta forma. viewBox 16:10 = sem distorção. */
  --arc-scoop:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 180.97501 113.10938' preserveAspectRatio='none'%3E%3Cpath fill-rule='evenodd' fill='%23fff' d='M0 0 H180.97501 V113.10938 H0 Z M48.008119 0 h132.96688 v13.39453 l-4.38468 -1.0115 c-57.1828 -11.61838 -124.96164 5.54752 -150.08198 51.88691 l-26.508339 0.0238 v-28.7065 l5.383479 -6.16982 c9.52368 -9.96923 20.85049 -18.27662 33.37904 -24.92269 z'/%3E%3C/svg%3E");
}

/* ---------------------------------------------------------
   2. BASE
   --------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 24px)}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font);font-size:14px;line-height:1.62;
  font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}
img{display:block;max-width:100%}
a{color:inherit}
button{font:inherit}
::selection{background:var(--sun);color:var(--void)}
:focus-visible{outline:2px solid var(--petrol);outline-offset:3px}
.on-dark :focus-visible,.hero :focus-visible,.nav :focus-visible,.phead :focus-visible{outline-color:var(--sun)}

.skip{
  position:absolute;left:-9999px;top:8px;z-index:200;
  background:var(--sun);color:var(--void);padding:10px 18px;font-weight:700;
}
.skip:focus{left:16px}

/* container único */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.wrap--wide{max-width:var(--wrap-wide)}

/* ---------------------------------------------------------
   3. TIPOGRAFIA UTILITÁRIA
   --------------------------------------------------------- */
/* olho de seção — legível, no máximo 2 palavras, com o arco */
.tag{
  display:inline-flex;align-items:center;gap:12px;
  font-size:.95rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;
  color:var(--petrol);margin-bottom:18px;
}
.tag::before{
  content:"";flex:none;width:52px;aspect-ratio:var(--arc-ratio);background:var(--petrol);
  -webkit-mask:var(--arc) no-repeat center/contain;mask:var(--arc) no-repeat center/contain;
}
.tag--light{color:var(--sun-soft)}
.on-dark .tag,.tag--light{color:var(--petrol-2)}
.on-dark .tag::before,.tag--light::before{background:var(--petrol-2)}

.title{
  font-size:clamp(1.3rem,1.75vw,1.58rem);font-weight:800;font-stretch:112%;
  line-height:1.1;letter-spacing:-.02em;text-wrap:balance;margin-bottom:18px;
}
.title--xl{
  font-size:clamp(1.58rem,2.5vw,2.05rem);line-height:1.09;letter-spacing:-.024em;
}
.on-dark .title{color:#fff}
.lede{font-size:1rem;color:var(--muted);max-width:64ch}
.on-dark .lede{color:rgba(231,238,240,.74)}

.sec-head{max-width:60ch;margin-bottom:clamp(24px,3.2vw,40px)}
.sec-head--wide{max-width:none}
.sec-head--row{
  max-width:none;display:flex;flex-wrap:wrap;align-items:flex-end;
  justify-content:space-between;gap:28px;
}
.sec-head--row > div{max-width:52ch}

/* ---------------------------------------------------------
   4. SEÇÕES — ritmo por alternância de fundo
   --------------------------------------------------------- */
.sec{padding-block:var(--sec-y)}
.sec--tight{padding-block:clamp(52px,6vw,84px)}
.sec--mist{background:var(--mist)}
.sec--deep{background:var(--deep);color:#E7EEF0}
.sec--void{background:var(--void);color:#E7EEF0}
.sec--line{border-top:1px solid var(--line)}      /* filete entre dois claros */

/* ---------------------------------------------------------
   5. BOTÕES
   --------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border:1px solid transparent;border-radius:var(--r);
  font-size:.96rem;font-weight:700;letter-spacing:.005em;
  text-decoration:none;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn__arrow{transition:transform .2s ease}
.btn:hover .btn__arrow{transform:translateX(4px)}
.btn--sun{background:var(--sun);color:var(--void)}
.btn--sun:hover{background:var(--sun-soft)}
/* botão amarelo do cabeçalho: texto preto */
.nav .btn--sun{color:#000}
.btn--petrol{background:var(--petrol);color:#fff}
.btn--petrol:hover{background:#00789a}
.btn--outline{border-color:rgba(255,255,255,.35);color:#fff}
.btn--outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--ink{border-color:var(--line);color:var(--ink)}
.btn--ink:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn--sm{padding:12px 20px;font-size:.94rem}

/* ---------------------------------------------------------
   6. NAVEGAÇÃO
   --------------------------------------------------------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .3s ease,box-shadow .3s ease,height .3s ease;
}
.nav__inner{display:flex;align-items:center;gap:26px;width:100%}
.nav__logo{height:55px;width:auto;display:block}
.nav__links{display:flex;align-items:center;gap:22px;list-style:none;margin:0;padding:0;margin-left:auto}
.nav__links a{
  font-size:.88rem;font-weight:500;color:rgba(255,255,255,.85);text-decoration:none;
  white-space:nowrap;padding-block:6px;position:relative;
}
.nav__links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--sun);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav__links a:hover::after,.nav__links a[aria-current="page"]::after{transform:scaleX(1)}
.nav__links a:hover{color:#fff}
.nav.is-stuck{background:rgba(7,19,25,.94);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line-2)}
.nav__burger{
  display:none;margin-left:auto;width:44px;height:40px;background:none;
  border:1px solid var(--line-2);border-radius:var(--r);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav__burger span{display:block;width:18px;height:2px;background:#fff;position:relative}
.nav__burger span::before,.nav__burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav__burger span::before{top:-6px}
.nav__burger span::after{top:6px}

/* ---------------------------------------------------------
   7. HERO
   --------------------------------------------------------- */
.hero{
  position:relative;background:var(--void);color:#fff;
  padding-top:calc(var(--nav-h) + clamp(48px,7vw,88px));
  padding-bottom:clamp(52px,7vw,88px);
  overflow:hidden;isolation:isolate;
}
.hero__bg{position:absolute;inset:0;z-index:-2;overflow:hidden}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.62}
.hero__veil{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(7,19,25,.94) 0%,rgba(7,19,25,.74) 52%,rgba(7,19,25,.5) 100%);
}
.hero__inner{max-width:940px}
.hero h1{
  font-size:clamp(1.58rem,2.7vw,2.15rem);font-weight:800;font-stretch:114%;
  line-height:1.08;letter-spacing:-.028em;text-wrap:balance;margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--sun)}
.hero__sub{font-size:clamp(.94rem,1.1vw,1.04rem);color:rgba(255,255,255,.8);max-width:60ch;margin-bottom:34px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------------------------------------------------------
   7b. FAIXA DE NÚMEROS — abaixo do hero (petróleo, ícones em amarelo)
   --------------------------------------------------------- */
.strip{background:var(--deep);color:#E7EEF0;border-block:1px solid var(--line-2)}
.strip__grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2)}
.strip__item{background:var(--deep);display:flex;gap:16px;align-items:center;padding:28px 26px}
.strip__icon{width:44px;height:44px;flex:none;display:grid;place-items:center;color:var(--sun)}
.strip__icon svg{width:30px;height:30px}
.strip__n{display:block;font-size:1.55rem;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.05}
.strip__l{display:block;margin-top:5px;font-size:.9rem;color:rgba(231,238,240,.64)}

/* ---------------------------------------------------------
   8. FAIXA DE LOGOS — carrossel de clientes e parceiros
   Fila única que desliza devagar; setas nas laterais.
   --------------------------------------------------------- */
.logos{position:relative;display:flex;align-items:center;gap:10px}
.logos__viewport{
  flex:1 1 auto;overflow:hidden;cursor:grab;touch-action:pan-y;
  -webkit-user-select:none;user-select:none;
  -webkit-mask:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
          mask:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
}
.logos__viewport.is-grabbing{cursor:grabbing}
.logos__viewport.is-grabbing .logos__item img{pointer-events:none}
.logos__track{list-style:none;margin:0;padding:0;display:flex;align-items:center;width:max-content}
.logos__item{flex:0 0 auto;height:154px;display:grid;place-items:center;padding:0 clamp(20px,2.8vw,40px)}
/* altura definida caso a caso via --h no HTML; width:auto deixa os curtos
   ganharem comprimento e os altos ganharem altura */
.logos__item img{
  display:block;width:auto;height:var(--h,44px);
  filter:grayscale(1) contrast(.82) opacity(.6);
  transition:filter .25s ease,transform .25s ease;
}
/* mouse sobre a faixa: todas ficam mais presentes */
.logos:hover .logos__item img,
.logos:focus-within .logos__item img{filter:grayscale(1) contrast(.82) opacity(.9)}
/* logo sob o cursor: volta à cor original e cresce */
.logos:hover .logos__item img:hover{filter:none;transform:scale(1.12);position:relative;z-index:2}

.logos__nav{
  flex:0 0 auto;width:38px;height:38px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:50%;background:var(--paper);
  color:var(--petrol);cursor:pointer;opacity:0;
  transition:opacity .2s ease,border-color .15s ease,color .15s ease;
}
/* setas só aparecem com o mouse sobre a faixa do carrossel */
.logos:hover .logos__nav,
.logos:focus-within .logos__nav{opacity:1}
@media (hover:none){.logos__nav{opacity:1}}
.logos__nav svg{width:16px;height:16px}
.logos__nav:hover{border-color:var(--petrol)}
.logos__nav:active{transform:translateY(1px)}

/* ---------------------------------------------------------
   9. ARQUÉTIPO B — GRADE DE CARDS
   (.features/.feature mantidos como alias de .grid/.card)
   --------------------------------------------------------- */
.grid{display:grid;gap:clamp(18px,2.5vw,28px)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3,.features{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.features,.features--2{display:grid;gap:clamp(18px,2.5vw,28px)}
.features--2{grid-template-columns:repeat(2,1fr)}

.card,.feature{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(24px,3vw,34px);display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card--link{text-decoration:none;color:inherit}
.card--link:hover,.feature:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(11,26,33,.09)}
.on-dark .card,.on-dark .feature{background:var(--panel);border-color:var(--line-2)}
.on-dark .card--link:hover,.on-dark .feature:hover{box-shadow:0 18px 40px rgba(0,0,0,.3)}

.card__icon,.feature__icon{
  width:56px;height:56px;border-radius:12px;flex:none;
  background:rgba(0,100,127,.1);color:var(--petrol);display:grid;place-items:center;
}
.on-dark .card__icon,.on-dark .feature__icon{background:rgba(14,147,180,.16);color:var(--petrol-2)}
.card__icon svg,.feature__icon svg{width:28px;height:28px}
.card__num{font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:800;color:var(--sun);line-height:1;letter-spacing:-.02em}
.card h3,.feature h3{font-size:1rem;font-weight:700;letter-spacing:-.01em;margin:0}
.card p,.feature p{color:var(--muted);font-size:.9rem;margin:0}
.on-dark .card p,.on-dark .feature p{color:rgba(231,238,240,.76)}
.card__more{
  margin-top:auto;font-weight:700;font-size:.95rem;color:var(--petrol);
  display:inline-flex;align-items:center;gap:7px;
}
.on-dark .card__more{color:var(--petrol-2)}

/* variante "setores": número + rótulo, sem ícone */
.segs{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.seg{background:var(--paper);padding:28px 24px;display:flex;flex-direction:column;gap:10px}
.sec--mist .seg{background:var(--paper)}
.seg__n{font-size:1rem;font-weight:700;color:var(--petrol)}
.seg h3{margin:0;font-size:1.02rem;font-weight:700;letter-spacing:-.01em}
.seg p{margin:0;font-size:.92rem;color:var(--muted)}

/* fileira de ícones — filete de topo e divisórias verticais em --line
   (mesmo cinza da "Rota do sucesso"), esticadas um pouco para baixo */
.iconrow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:clamp(34px,5vw,56px);
}
.iconrow__item{
  position:relative;display:flex;flex-direction:column;gap:16px;
  padding:24px 26px clamp(30px,5vw,52px) 0;border-top:2px solid var(--line);
}
.iconrow__item:not(:first-child){padding-left:26px;border-left:1px solid var(--line)}
.iconrow__item p{margin:0;font-size:.9rem;line-height:1.5;color:var(--muted)}
@media (max-width:900px){
  .iconrow{grid-template-columns:1fr 1fr}
  .iconrow__item:nth-child(3){border-left:0;padding-left:0}
}
@media (max-width:520px){
  .iconrow{grid-template-columns:1fr}
  .iconrow__item{padding-right:0;border-left:0!important;padding-left:0!important}
  .iconrow__item:not(:first-child){border-top:2px solid var(--line)}
}

/* ---------------------------------------------------------
   10. ARQUÉTIPO C — SPLIT IMAGEM / TEXTO
   --------------------------------------------------------- */
.alt{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,76px);align-items:center}
.alt + .alt{margin-top:clamp(52px,7vw,104px)}
.alt__media{
  position:relative;overflow:hidden;border-radius:var(--r);
  aspect-ratio:16/10;background:var(--deep);border:1px solid var(--line);
}
.on-dark .alt__media{border-color:var(--line-2)}
.alt__media img{width:100%;height:100%;object-fit:cover}
.alt--flip .alt__media{order:2}
/* variante sem borda na foto */
.alt--bare .alt__media{border:0}
/* variante com foto em pé (mostra o equipamento inteiro) */
.alt--portrait{grid-template-columns:.75fr 1fr;align-items:start}
.alt--portrait.alt--flip{grid-template-columns:1fr .75fr}
.alt--portrait .alt__media{aspect-ratio:3/4;border:0}
.alt--portrait .bigsteps{margin-top:24px}
/* variante: imagem sem borda, um pouco mais alta que o texto e descendo
   além dele (assimetria). O quanto a mais vem de --fill-over (padrão 108%). */
.alt--fill{align-items:start}
.alt--fill .alt__media{aspect-ratio:16/10;border:0;overflow:hidden}
.alt--fill .alt__media img{height:100%;border-radius:var(--r)}
.alt--fill .bigsteps{margin-top:clamp(20px,2.5vw,28px)}
.alt--fill .alt__list--icons li{color:var(--muted)}

/* seção "Onde estão os custos" — foto full-bleed à esquerda ocupando 100%
   da altura da seção; texto na coluna da direita mantendo o topo. */
.sec--diag{position:relative;overflow:hidden}
.sec--diag .alt{grid-template-columns:1fr 1fr;align-items:start}
.sec--diag .alt__media{
  position:absolute;left:0;top:0;bottom:0;right:calc(50% + clamp(16px,2.5vw,38px));
  aspect-ratio:auto;border:0;border-radius:0;background:none;
}
.sec--diag .alt__media img{width:100%;height:100%;object-fit:cover}
.sec--diag .alt__media::after{content:"";position:absolute;inset:0;background:var(--void);opacity:.5;pointer-events:none}
.sec--diag .alt__body{grid-column:2}
.sec--diag .alt__list--icons li{color:var(--muted)}
@media (max-width:1080px){
  .sec--diag .alt{grid-template-columns:1fr}
  .sec--diag .alt__media{position:static;inset:auto;right:auto;aspect-ratio:16/10}
  .sec--diag .alt__body{grid-column:auto}
}
/* foto encosta no topo da seção; o texto desce como se a seção tivesse
   margem superior, e a margem inferior da seção fica abaixo da foto */
.alt--portrait .alt__body{padding-top:calc(var(--sec-y) * .8)}
.sec--flush{padding-top:0}
@media (max-width:1080px){
  .sec--flush{padding-block:var(--sec-y)}
  .alt--portrait .alt__body{padding-top:0}
}
.alt__body h2,.alt__body h3{
  font-size:clamp(1.22rem,1.65vw,1.5rem);font-weight:800;letter-spacing:-.02em;
  line-height:1.16;margin:0 0 10px;
}
.on-dark .alt__body h2,.on-dark .alt__body h3{color:#fff}
.alt__body > p{margin:0 0 12px;color:var(--muted);font-size:.9rem}
.on-dark .alt__body > p{color:rgba(231,238,240,.78)}
.alt__list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:11px}
.alt__list li{position:relative;padding-left:26px;font-size:.9rem;line-height:1.5;color:var(--muted)}
.on-dark .alt__list li{color:rgba(231,238,240,.78)}
.alt__list li::before{
  content:"";position:absolute;left:0;top:.6em;width:18px;height:3px;border-radius:2px;background:var(--petrol);
}
.on-dark .alt__list li::before{background:var(--petrol-2)}

/* variante com ícone no lugar do traço */
.alt__list--icons li{padding-left:0;display:flex;gap:12px;align-items:flex-start}
.alt__list--icons li::before{content:none}
.alt__list--icons li > svg{
  flex:none;width:20px;height:20px;margin-top:.12em;color:var(--petrol);
}
.on-dark .alt__list--icons li > svg{color:var(--petrol-2)}

/* variante ARCO — a foto é mascarada pelo arco da assinatura */
.alt--arc .alt__media{overflow:visible;border:0;border-radius:0;background:none}
.alt--arc .alt__media img{
  border-radius:var(--r);
  -webkit-mask:var(--arc-scoop) no-repeat 0 0/100% 100%;
          mask:var(--arc-scoop) no-repeat 0 0/100% 100%;
}
/* espelha o recorte quando a foto vai para a direita */
.alt--flip.alt--arc .alt__media img{transform:scaleX(-1)}

/* ---------------------------------------------------------
   11. ARQUÉTIPO D — FAIXA DE DESTAQUE (fundo chapado)
   --------------------------------------------------------- */
.band{position:relative;background:var(--deep);color:#fff;isolation:isolate;overflow:hidden}
.band--void{background:var(--void)}
.band--mist{background:var(--mist);color:var(--ink)}
.band__media{position:absolute;inset:0;z-index:-2;overflow:hidden}
.band__media img{width:100%;height:100%;object-fit:cover;opacity:.55}
.band__veil{position:absolute;inset:0;z-index:-1;background:rgba(7,19,25,.72)}
.band__arc{
  display:block;width:88px;aspect-ratio:var(--arc-ratio);background:var(--petrol-2);margin-bottom:22px;
  -webkit-mask:var(--arc) no-repeat left/contain;mask:var(--arc) no-repeat left/contain;
}
.band--mist .band__arc{background:var(--petrol)}
.cta-block{max-width:60ch}
.cta-block .btn{margin-top:26px}

/* números grandes dentro de faixa D */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-2)}
.stat{background:var(--void);padding:clamp(26px,3.5vw,40px)}
.band--mist .stats{background:var(--line)}
.band--mist .stat{background:var(--paper)}
.stat b{display:block;font-size:clamp(2rem,3.6vw,3rem);font-weight:800;color:var(--sun);letter-spacing:-.03em;line-height:1;margin-bottom:10px}
.stat span{color:rgba(231,238,240,.76);font-size:1.02rem}
.band--mist .stat span{color:var(--muted)}
/* aliases herdados de páginas antigas */
.impact{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:transparent}
.impact__cell{background:transparent;padding:clamp(26px,3.5vw,40px)}
.impact__n{display:block;font-size:clamp(2rem,3.6vw,3rem);font-weight:800;color:var(--sun);letter-spacing:-.03em;line-height:1;margin-bottom:10px}
.impact__l{margin:0;color:rgba(231,238,240,.76);font-size:.92rem;max-width:32ch}

/* foto de usina bem discreta atrás da seção Resultados (véu preto ~95%) */
#impacto{position:relative;isolation:isolate;overflow:hidden}
#impacto::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    linear-gradient(rgba(7,19,25,.90),rgba(7,19,25,.90)),
    url("../img/claudio.jpg") center/cover no-repeat;
}

/* seção "Dimensionado para a sua operação" (BESS) — gabinete ao fundo à
   esquerda, texto à direita; véu mais forte à direita para o texto.
   Fundo direto no elemento (mais compatível) + cor base escura de fallback. */
.sec--bess{
  position:relative;color:#E7EEF0;
  background-color:var(--void);
  background-image:
    linear-gradient(90deg,rgba(7,19,25,.32) 0%,rgba(7,19,25,.84) 54%,rgba(7,19,25,.95) 100%),
    url("../img/bess-fundo.jpg");
  background-repeat:no-repeat,no-repeat;
  background-position:center,left center;
  background-size:cover,cover;
}
.sec--bess .wrap > .rise{margin-left:auto}
@media (max-width:900px){
  .sec--bess{
    background-image:
      linear-gradient(rgba(7,19,25,.9),rgba(7,19,25,.9)),
      url("../img/bess-fundo.jpg");
  }
}

/* ---------------------------------------------------------
   12. PROJETOS — carrossel
   --------------------------------------------------------- */
.cases{position:relative}
.cases__nav{
  position:absolute;top:38%;transform:translateY(-50%);z-index:3;
  width:50px;height:50px;border-radius:50%;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);
  display:grid;place-items:center;cursor:pointer;
  box-shadow:0 8px 24px rgba(11,26,33,.16);
  transition:background .2s ease,color .2s ease,border-color .2s ease,opacity .2s ease;
}
.cases__nav:hover:not(:disabled){background:var(--ink);color:#fff;border-color:var(--ink)}
.cases__nav:disabled{opacity:0;pointer-events:none}
.cases__nav svg{width:20px;height:20px}
.cases__nav--prev{left:-18px}
.cases__nav--next{right:-18px}
.rail{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.case{flex:0 0 clamp(280px,31%,400px);scroll-snap-align:start;position:relative;overflow:hidden;background:var(--void)}
.case__img{position:relative;overflow:hidden;background:var(--deep)}
.case__img img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .7s cubic-bezier(.16,.84,.44,1)}
.case:hover .case__img img{transform:scale(1.05)}
.case__badge{
  position:absolute;top:14px;left:14px;z-index:2;display:inline-block;
  font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;line-height:1;
  background:rgba(7,19,25,.82);color:var(--sun);padding:9px 16px;
}
.case__body{
  padding:20px 22px 24px;background:var(--paper);border:1px solid var(--line);border-top:0;
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
}
.sec--deep .case__body,.sec--void .case__body{background:var(--deep);border-color:var(--line-2)}
.case__loc{font-size:1.02rem;font-weight:700;letter-spacing:-.01em;margin:0}
.case__sub{font-size:.85rem;color:var(--muted);margin:2px 0 0}
.sec--deep .case__sub,.sec--void .case__sub{color:rgba(231,238,240,.55)}
.case__cap{font-size:1.16rem;font-weight:800;color:var(--sun);white-space:nowrap;letter-spacing:-.02em}

/* ---------------------------------------------------------
   Lightbox de projetos — abre a foto ampliada com o
   retângulo de informações embaixo (mesmo do card).
   --------------------------------------------------------- */
.js .case__img{cursor:zoom-in}
.lightbox{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:clamp(16px,4vw,56px)}
.lightbox[hidden]{display:none}
.lightbox__backdrop{position:absolute;inset:0;background:rgba(4,12,16,.86)}
.lightbox__inner{position:relative;width:auto;max-width:100%;max-height:100%;display:flex;flex-direction:column}
.lightbox__figure{margin:0;display:flex;flex-direction:column;min-height:0}
/* caixa de tamanho fixo — mesma proporção (~1539:1022) e mesmo tamanho pra
   toda foto, então nada "pula" de tamanho ao trocar de projeto */
.lightbox__imgwrap{
  position:relative;overflow:hidden;background:var(--void);touch-action:pan-y;cursor:grab;
  width:min(1000px,92vw,calc((100vh - 220px) * 1.5059));
  aspect-ratio:1539/1022;
}
.lightbox__imgwrap:active{cursor:grabbing}
/* trilho de 3 painéis (anterior · atual · próximo) — a vizinha já está
   encostada, então arrastar revela ela de forma contínua, sem vão preto */
.lightbox__track{position:relative;display:flex;width:300%;height:100%;transform:translate3d(-33.3334%,0,0)}
.lightbox__img{flex:0 0 33.3334%;width:33.3334%;height:100%;display:block;object-fit:cover;background:var(--void)}
.lightbox__body{background:var(--paper);border:1px solid var(--line);border-top:0}
.lightbox__close{
  position:absolute;top:-16px;right:-16px;z-index:3;width:44px;height:44px;
  display:grid;place-items:center;border:0;border-radius:50%;
  background:var(--paper);color:var(--ink);cursor:pointer;box-shadow:0 8px 28px rgba(0,0,0,.35)
}
.lightbox__nav{
  position:absolute;top:calc(50% - 60px);transform:translateY(-50%);z-index:3;
  width:46px;height:46px;display:grid;place-items:center;border:0;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--ink);cursor:pointer
}
.lightbox__nav--prev{left:-23px}
.lightbox__nav--next{right:-23px}
.lightbox__close svg,.lightbox__nav svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lightbox__close:hover,.lightbox__nav:hover:not(:disabled){background:var(--ink);color:#fff}
.js .lightbox{opacity:0;transition:opacity .26s ease}
.js .lightbox.is-open{opacity:1}
.js .lightbox__figure{transform:translateY(14px) scale(.985);transition:transform .26s cubic-bezier(.16,.84,.44,1)}
.js .lightbox.is-open .lightbox__figure{transform:none}
body.lb-lock{overflow:hidden}
@media (max-width:720px){
  .lightbox__close{top:-10px;right:-10px}
  .lightbox__nav{top:auto;bottom:-58px;transform:none}
  .lightbox__nav--prev{left:calc(50% - 54px)}
  .lightbox__nav--next{right:calc(50% - 54px)}
  .lightbox__imgwrap{width:min(94vw,calc(58vh * 1.5059))}
}
@media (prefers-reduced-motion:reduce){
  .js .lightbox,.js .lightbox__figure{transition:none}
}

/* ---------------------------------------------------------
   13. PROCESSO — passos numerados
   --------------------------------------------------------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.step{padding:0 26px 0 0;border-top:2px solid var(--line);position:relative}
.step:not(:first-child){padding-left:26px;border-left:1px solid var(--line)}
.step::after{content:"";position:absolute;top:-2px;left:0;height:2px;width:0;background:var(--sun);transition:width 1s cubic-bezier(.16,.84,.44,1)}
.steps.is-in .step::after{width:100%}
html:not(.js) .step::after{width:100%}
.steps.is-in .step:nth-child(2)::after{transition-delay:.12s}
.steps.is-in .step:nth-child(3)::after{transition-delay:.24s}
.steps.is-in .step:nth-child(4)::after{transition-delay:.36s}
.step__n{display:block;font-size:.9rem;font-weight:700;letter-spacing:.02em;color:var(--petrol);margin:22px 0 12px}
.step h3{margin:0 0 7px;font-size:1rem;font-weight:700;letter-spacing:-.01em}
.step p{margin:0 0 20px;font-size:.9rem;color:var(--muted)}

/* passos numerados grandes (páginas de serviço) */
.bigsteps{display:grid;gap:clamp(9px,1.3vw,14px);counter-reset:b}
.bigsteps--narrow{max-width:60%}
@media (max-width:960px){.bigsteps--narrow{max-width:none}}
.bigstep{
  display:grid;grid-template-columns:auto 1fr;gap:clamp(14px,2vw,20px);align-items:start;
  padding-bottom:clamp(9px,1.3vw,14px);border-bottom:1px solid var(--line);
}
.on-dark .bigstep{border-color:var(--line-2)}
.bigstep:last-child{border-bottom:0;padding-bottom:0}
.bigstep::before{
  counter-increment:b;content:counter(b,decimal-leading-zero);
  font-size:clamp(1.2rem,1.9vw,1.55rem);font-weight:800;color:var(--sun);line-height:1;letter-spacing:-.03em;
}
.bigstep h3{margin:0 0 5px;font-size:1rem;font-weight:700}
.bigstep p{margin:0;color:var(--muted);font-size:.9rem}
.on-dark .bigstep p{color:rgba(231,238,240,.76)}

/* chips de aplicação */
.uses{display:flex;flex-wrap:wrap;gap:12px;margin:0;padding:0;list-style:none}
.uses li{border:1px solid var(--line-2);border-radius:100px;padding:9px 18px;font-size:.9rem;font-weight:600;color:#fff}
.band--mist .uses li,.sec--mist .uses li{border-color:var(--line);color:var(--ink)}

/* ---------------------------------------------------------
   14. DEPOIMENTOS
   --------------------------------------------------------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{background:var(--paper);border:1px solid var(--line);padding:30px 28px 26px;display:flex;flex-direction:column;gap:18px}
.sec--mist .quote{background:var(--paper)}
.quote__mark{color:var(--petrol);font-size:2rem;font-weight:800;line-height:1}
.quote blockquote{margin:0}
.quote p{margin:0;font-size:.9rem;color:var(--ink);line-height:1.6}
.quote__who{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
.quote__who b{display:block;font-size:.96rem;font-weight:700}
.quote__who span{font-size:.86rem;color:var(--muted)}

/* ---------------------------------------------------------
   15. FAQ
   --------------------------------------------------------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;font-size:1.08rem;font-weight:700;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:8px;top:50%;width:12px;height:2px;background:var(--ink);transform:translateY(-50%)}
.faq summary::before{content:"";position:absolute;right:13px;top:50%;width:2px;height:12px;background:var(--ink);transform:translateY(-50%);transition:transform .22s ease,opacity .22s ease}
.faq details[open] summary::before{transform:translateY(-50%) rotate(90deg);opacity:0}
.faq__a{padding:0 60px 24px 0;margin:0;color:var(--muted)}

/* ---------------------------------------------------------
   16. CONTATO
   --------------------------------------------------------- */
.contact{display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(34px,5vw,72px);align-items:start}
.contact__aside p{color:rgba(231,238,240,.76)}
.contact__facts{list-style:none;margin:30px 0 0;padding:0;display:grid;gap:18px}
.contact__facts li{display:grid;gap:4px}
.contact__facts span{font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.contact__facts a,.contact__facts b{color:#fff;font-weight:500;text-decoration:none;font-size:1.02rem}
.contact__facts a:hover{color:var(--sun)}

.form{background:var(--paper);color:var(--ink);padding:clamp(26px,3.4vw,42px);border-top:3px solid var(--sun)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.field label{font-size:.86rem;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  font-family:var(--font);font-size:1rem;color:var(--ink);
  padding:13px 15px;border:1px solid var(--line);border-radius:var(--r);background:#FBFCFD;width:100%;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--petrol);background:#fff;box-shadow:0 0 0 3px rgba(0,100,127,.13)}
.field textarea{resize:vertical;min-height:104px}
.field--error input,.field--error select{border-color:#C0392B;background:#FEF7F6}
.field__err{font-size:.78rem;font-weight:600;color:#C0392B}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__foot{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:6px}
.form__note{font-size:.82rem;color:var(--muted);margin:0;flex:1 1 240px;line-height:1.5}
.form__msg{margin:20px 0 0;padding:15px 18px;border-radius:var(--r);font-size:.95rem;display:none}
.form__msg.is-ok{display:block;background:#EAF6F1;border-left:3px solid #1B8A5A;color:#134b34}
.form__msg.is-err{display:block;background:#FDEEEC;border-left:3px solid #C0392B;color:#8b2b1f}

/* ---------------------------------------------------------
   17. RODAPÉ
   --------------------------------------------------------- */
.foot{background:#050D12;color:rgba(255,255,255,.64);padding:clamp(56px,7vw,84px) 0 26px;font-size:.9rem}
.foot__grid{display:grid;grid-template-columns:1.2fr .82fr .82fr 1.75fr;gap:clamp(34px,3.8vw,56px)}
.foot__logo{height:48px;width:auto;margin-bottom:20px}
.foot h4{font-size:1rem;font-weight:700;color:#fff;margin:0 0 16px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.foot a{text-decoration:none;transition:color .18s ease}
.foot a:hover{color:#fff}
.foot__bar{
  border-top:1px solid rgba(255,255,255,.09);margin-top:clamp(40px,5vw,60px);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;
  font-size:.9rem;color:rgba(255,255,255,.5);
}
.foot__imersol{display:inline-flex;align-items:center;gap:9px}
.foot__imersol img{height:20px;width:auto;filter:brightness(0) invert(1) opacity(.5)}

/* ---------------------------------------------------------
   18. CABEÇALHO DE PÁGINA INTERNA
   --------------------------------------------------------- */
.phead{
  position:relative;background:var(--void);color:#fff;
  padding-top:calc(var(--nav-h) + clamp(60px,8vw,104px));
  padding-bottom:clamp(60px,8vw,104px);
  overflow:hidden;isolation:isolate;
}
/* cabeçalho ~20% mais alto */
.phead--tall{
  padding-top:calc(var(--nav-h) + clamp(96px,12vw,158px));
  padding-bottom:clamp(96px,12vw,158px);
}
.phead__media{position:absolute;inset:0;z-index:-2;overflow:hidden}
.phead__media img{width:100%;height:100%;object-fit:cover;opacity:.5}
.phead__veil{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(7,19,25,.92),rgba(7,19,25,.66))}
.phead h1{font-size:clamp(1.52rem,2.4vw,1.98rem);font-weight:800;font-stretch:113%;line-height:1.12;letter-spacing:-.024em;margin:0 0 16px;max-width:22ch}
.phead p{color:rgba(255,255,255,.8);max-width:60ch;font-size:.98rem;margin:0}
/* quebra manual do titulo em 3 linhas — só no desktop */
.d-br{display:none}
@media (min-width:1000px){
  .phead h1.phead__h1--split{max-width:34ch}
  .phead h1.phead__h1--split .d-br{display:inline}
}

/* blocos de texto institucional */
.prose{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:start}
.prose p{color:var(--muted);margin:0 0 20px}
.prose p:last-child{margin-bottom:0}
.prose__lead{font-size:1.18rem;color:var(--ink)!important;line-height:1.55}
/* variante: título + texto numa coluna, imagem na outra (à direita) */
.prose--media{align-items:start}
.prose--media .prose__media{border-radius:var(--r);overflow:hidden;align-self:start}
.prose--media .prose__media img{display:block;width:100%;height:auto}
.pillars{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.pillar{background:var(--paper);padding:28px 30px}
.pillar h3{font-size:.98rem;font-weight:700;color:var(--petrol);margin:0 0 10px}
.pillar p{margin:0;color:var(--muted);font-size:.9rem}

/* missão · visão · valores — largura total da tela, 3 colunas com foto,
   frase sobre a imagem em faixa preta translúcida, título centralizado */
.mvv-sec__head{padding-inline:var(--gutter);text-align:center}
.mvv-sec__head .tag{justify-content:center}
.mvv{
  display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3.5vw,46px);
  padding-inline:var(--gutter);margin-top:clamp(28px,4vw,48px);
}
.mvv__media{
  position:relative;aspect-ratio:15/16;border-radius:var(--r);overflow:hidden;
  background:var(--panel);
}
.mvv__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
/* caixa começa a 65% da altura e vai até a base — mesma altura nos 3 cards */
.mvv__overlay{
  position:absolute;z-index:1;left:0;top:65%;bottom:0;
  right:clamp(14px,1.7vw,22px);
  display:flex;flex-direction:column;justify-content:flex-start;
  background:rgba(0,0,0,.72);
  padding:clamp(10px,1vw,14px) 6% clamp(10px,1vw,14px) clamp(18px,1.8vw,26px);
}
/* transparência do fundo por card: 1ª mais translúcida, 2ª intermediária,
   3ª mantém (as duas primeiras mais translúcidas que a terceira) */
.mvv__item:nth-child(1) .mvv__overlay{background:rgba(0,0,0,.48)}
.mvv__item:nth-child(2) .mvv__overlay{background:rgba(0,0,0,.56)}
/* 1ª foto: mostra o extremo esquerdo no recorte em retrato */
.mvv__item:nth-child(1) .mvv__media img{object-position:left center}
/* 3ª foto: enquadramento no alto (o deslocamento das placas está no próprio arquivo) */
.mvv__item:nth-child(3) .mvv__media img{object-position:center top}
.mvv__label{
  font-size:.95rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--petrol-2);margin:0 0 5px;
}
.mvv__quote{
  margin:0;color:#fff;
  font-weight:400;font-stretch:112%;letter-spacing:-.01em;line-height:1.32;
  font-size:clamp(1rem,1.15vw,1.16rem);
}
@media (max-width:1200px){
  .mvv{grid-template-columns:1fr;gap:clamp(28px,7vw,40px);max-width:560px;margin-inline:auto}
  .mvv__media{aspect-ratio:2/3}
  .mvv__overlay{padding-right:5%}
}
.values{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.values li{font-size:.88rem;font-weight:600;border:1px solid var(--line);padding:8px 14px;color:var(--ink)}
.timeline{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-2)}
.timeline li{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line-2)}
.timeline .yr{font-size:1.15rem;font-weight:700;color:var(--sun)}
.timeline h3{margin:0 0 6px;font-size:1.2rem;font-weight:700}
.timeline p{margin:0;color:rgba(231,238,240,.72);font-size:1.15rem;line-height:1.5}

/* ---------------------------------------------------------
   QUEM SOMOS — Ivan pediu todo o texto (menos títulos) no mesmo
   tamanho do corpo da seção "A empresa" (= 0.875rem / 14px).
   --------------------------------------------------------- */
.page-quem .lede,
.page-quem .mvv__quote,
.page-quem .timeline p,
.page-quem .timeline .yr,
.page-quem .timeline h3{font-size:.875rem}
.page-quem .timeline .yr,
.page-quem .timeline h3{font-weight:700}

/* ---------------------------------------------------------
   19. ANIMAÇÃO DE ENTRADA (progressive enhancement)
   --------------------------------------------------------- */
.rise{opacity:1;transform:none}
.js .rise{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s cubic-bezier(.16,.84,.44,1)}
.js .rise.is-in{opacity:1;transform:none}
.rise--d1{transition-delay:.1s}
.rise--d2{transition-delay:.2s}

/* ---------------------------------------------------------
   20. RESPONSIVO
   --------------------------------------------------------- */
@media (max-width:1080px){
  .strip__grid{grid-template-columns:1fr 1fr}
  .grid--3,.grid--4,.features{grid-template-columns:1fr 1fr}
  .alt,.alt--flip,.alt--portrait,.alt--portrait.alt--flip{grid-template-columns:1fr}
  .alt--flip .alt__media{order:0}
  .alt--portrait .alt__media{aspect-ratio:4/5}
  .features--2{grid-template-columns:1fr 1fr}
  .segs{grid-template-columns:1fr 1fr}
  .stats,.impact{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step:nth-child(3){border-left:0;padding-left:0}
  .quotes{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  .prose{grid-template-columns:1fr}
  .foot__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1140px){
  .nav__links{
    display:none;position:absolute;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(7,19,25,.98);backdrop-filter:blur(14px);
    padding:8px var(--gutter) 20px;border-top:1px solid var(--line-2);
  }
  .nav.is-open .nav__links{display:flex}
  .nav__links li{border-bottom:1px solid var(--line-2)}
  .nav__links li:last-child{border-bottom:0;padding-top:14px}
  .nav__links a{display:block;padding:14px 0;font-size:1rem}
  .nav__burger{display:flex}
}
@media (max-width:860px){
  :root{--nav-h:66px}
  .nav__logo{height:45px}
  .cases__nav{display:none}
  .case{flex-basis:78%}
  .form__row{grid-template-columns:1fr}
  .timeline li{grid-template-columns:1fr;gap:6px}
  .grid--2,.features--2{grid-template-columns:1fr}
}
@media (max-width:600px){
  body{font-size:15px}
  .strip__grid{grid-template-columns:1fr}
  .grid--3,.grid--4,.features{grid-template-columns:1fr}
  .segs{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step{padding-right:0;border-left:0!important;padding-left:0!important}
  .step:not(:first-child){border-top:2px solid var(--line)}
  .foot__grid{grid-template-columns:1fr}
  .case{flex-basis:86%}
  .bigstep{grid-template-columns:1fr;gap:4px}
  .sec-head--row{align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .rise{opacity:1;transform:none}
  .steps .step::after{width:100%}
}