/* E. P. Dutra Engenharia · site institucional */
:root{
  --grafite:#23272B;
  --grafite-2:#2D3237;
  --latao:#A67C2E;
  --latao-claro:#C9A35A;
  --pedra:#565C62;
  --fundo:#F5F5F3;
  --branco:#FFFFFF;
  --linha:#DEDED9;
  --linha-esc:#3A4046;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --raio:4px;
  --wrap:1180px;
  --topo:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--topo);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--fundo);color:var(--grafite);font:400 16px/1.65 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{margin:0;line-height:1.15}
h2{font:600 clamp(28px,3.6vw,42px)/1.12 var(--serif);letter-spacing:-.01em}
h3{font:600 18px/1.3 var(--sans)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--latao);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--grafite);color:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}

.eyebrow{font:600 12px/1.4 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--latao);margin:0 0 14px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:28px;height:2px;background:currentColor;flex:none}
.eyebrow--claro{color:var(--latao-claro)}
html p.eyebrow{font:600 12px/1.4 var(--sans);letter-spacing:.18em;color:var(--latao);margin:0 0 14px}
html p.eyebrow.eyebrow--claro{color:var(--latao-claro)}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:var(--raio);font:600 15px/1 var(--sans);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s}
.btn:hover{transform:translateY(-1px)}
.btn--latao{background:var(--latao);color:#fff}
.btn--latao:hover{background:#8F6A25}
.btn--linha{border-color:currentColor;background:transparent;color:inherit}
.btn--linha:hover{border-color:var(--latao-claro);color:var(--latao-claro)}

/* Topo */
.topo{position:sticky;top:0;z-index:50;height:var(--topo);background:rgba(245,245,243,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.topo.rolou{border-color:var(--linha);box-shadow:0 4px 20px rgba(35,39,43,.06)}
.topo__in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.marca{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--grafite)}
.marca__sim{width:40px;height:39px;color:var(--grafite);flex:none}
.marca__txt{display:flex;flex-direction:column;line-height:1}
.marca__ep{font:600 10px/1 var(--serif);letter-spacing:.3em;color:var(--pedra)}
.marca__nome{font:700 22px/1 var(--serif);letter-spacing:.02em;margin:2px 0 3px;padding-bottom:3px;border-bottom:2px solid var(--latao)}
.marca__eng{font:500 8.5px/1 var(--sans);letter-spacing:.42em;color:var(--pedra)}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font:500 14.5px/1 var(--sans);text-decoration:none;color:var(--pedra);padding:8px 0;position:relative;transition:color .2s}
.nav a:not(.nav__cta)::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--latao);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav a:hover,.nav a.ativo{color:var(--grafite)}
.nav a:hover::after,.nav a.ativo::after{transform:scaleX(1)}
.nav .nav__cta{background:var(--grafite);color:#fff;padding:12px 18px;border-radius:var(--raio)}
.nav .nav__cta:hover{background:var(--latao);color:#fff}
.menu{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;padding:10px;flex-direction:column;justify-content:space-between}
.menu span{display:block;height:2px;background:var(--grafite);transition:transform .25s,opacity .25s}
.menu[aria-expanded="true"] span:nth-child(1){transform:translateY(10px) rotate(45deg)}
.menu[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu[aria-expanded="true"] span:nth-child(3){transform:translateY(-10px) rotate(-45deg)}

/* Hero */
.hero{position:relative;background:var(--grafite);color:#fff;overflow:hidden}
.hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,transparent 0,#000 55%);-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 55%)}
.hero__in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;min-height:calc(100vh - var(--topo));max-height:860px;padding-top:72px;padding-bottom:72px}
.hero h1{font:600 clamp(36px,5.4vw,64px)/1.06 var(--serif);letter-spacing:-.015em;margin-bottom:24px}
.hero h1 em{font-style:normal;color:var(--latao-claro)}
.hero__lead{font-size:clamp(17px,1.6vw,19px);color:#C9CDD1;max-width:560px;margin-bottom:32px}
.hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.hero__selo{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:13.5px;color:#9EA4AA}
.hero__selo li{display:flex;align-items:center;gap:8px}
.hero__selo li::before{content:"";width:6px;height:6px;background:var(--latao-claro)}
.hero__vis{position:relative;justify-self:end;width:100%;max-width:460px}
.hero__sim{width:100%;height:auto;color:#E8E8E4;overflow:visible}
.tr{stroke-dasharray:1;stroke-dashoffset:1;animation:traco 1.4s cubic-bezier(.6,.05,.3,1) forwards}
.tr2{animation-delay:.5s}.tr3{animation-delay:.8s}.tr4{animation-delay:.95s}.tr5{animation-delay:1.1s}
.hero__lote{fill:var(--latao-claro);transform-origin:240px 779px;transform:scale(0);animation:lote .7s cubic-bezier(.3,1.4,.5,1) 1.7s forwards}
.cotas{color:#6A7076;opacity:0;animation:aparece .8s ease 2.1s forwards}
@keyframes traco{to{stroke-dashoffset:0}}
@keyframes lote{to{transform:scale(1)}}
@keyframes aparece{to{opacity:1}}
.ficha{position:absolute;right:-12px;bottom:-36px;background:var(--fundo);color:var(--grafite);padding:18px 22px;border-left:4px solid var(--latao);max-width:240px;box-shadow:0 20px 40px rgba(0,0,0,.3);opacity:0;transform:translateY(12px);animation:sobe .7s ease 2.3s forwards}
.ficha__n{display:block;font:700 40px/1 var(--serif);color:var(--grafite)}
.ficha__t{display:block;font-size:13.5px;line-height:1.4;color:var(--pedra);margin-top:6px}
@keyframes sobe{to{opacity:1;transform:none}}

/* Números */
.numeros{background:var(--grafite-2);color:#fff;border-top:1px solid var(--linha-esc)}
.numeros__in{display:grid;grid-template-columns:repeat(4,1fr)}
.num{padding:32px 24px;border-left:1px solid var(--linha-esc)}
.num:first-child{border-left:0;padding-left:0}
.num strong{display:block;font:700 clamp(28px,3vw,38px)/1 var(--serif);color:var(--latao-claro);margin-bottom:8px;white-space:nowrap}
.num>span{font-size:14px;color:#B4BAC0;line-height:1.45;display:block}

/* Seções */
.secao{padding:clamp(72px,9vw,120px) 0}
.secao--curta{padding:clamp(56px,7vw,88px) 0}
.secao--branca{background:var(--branco)}
.secao--escura{background:var(--grafite);color:#fff}
.cab{max-width:720px;margin-bottom:48px}
.cab__lead{font-size:18px;color:var(--pedra);margin-top:16px}

/* Dores */
.dores{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--linha);border:1px solid var(--linha)}
.dor{background:var(--fundo);padding:32px 28px;transition:background .25s}
.dor:hover{background:var(--branco)}
.dor__n{display:block;font:600 14px/1 var(--serif);color:var(--latao);margin-bottom:20px}
.dor h3{margin-bottom:10px}
.dor p{color:var(--pedra);margin:0;font-size:15px}

/* Serviços */
.servicos{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.serv{border:1px solid var(--linha);border-radius:var(--raio);padding:32px;background:var(--fundo);position:relative;transition:border-color .25s,transform .25s,box-shadow .25s}
.serv:hover{border-color:var(--latao);transform:translateY(-3px);box-shadow:0 16px 32px rgba(35,39,43,.07)}
.serv--destaque{background:var(--grafite);color:#fff;border-color:var(--grafite)}
.serv--destaque p{color:#C3C8CD}
.serv__ico{width:48px;height:48px;margin-bottom:20px}
.serv__ico svg{width:100%;height:100%;fill:none;stroke:var(--latao);stroke-width:2;stroke-linejoin:round}
.serv--destaque .serv__ico svg{stroke:var(--latao-claro)}
.serv h3{font:600 22px/1.25 var(--serif);margin-bottom:12px}
.serv p{color:var(--pedra);margin-bottom:0}
.serv.serv--destaque p{color:#C3C8CD}
.serv ul{margin-top:20px;padding-top:20px;border-top:1px solid var(--linha-esc);display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}
.serv li{font-size:14.5px;padding-left:16px;position:relative;color:#E6E8EA}
.serv li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;background:var(--latao-claro)}

/* Método */
.etapas{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:e;position:relative;margin-bottom:64px}
.etapas::before{content:"";position:absolute;left:24px;right:24px;top:24px;height:2px;background:repeating-linear-gradient(90deg,var(--latao) 0 8px,transparent 8px 14px)}
.etapa{position:relative;padding-right:28px}
.etapa__n{position:relative;display:grid;place-items:center;width:48px;height:48px;background:var(--grafite);color:var(--latao-claro);font:700 20px/1 var(--serif);margin-bottom:24px}
.etapa h3{font:600 20px/1.25 var(--serif);margin-bottom:8px}
.etapa p{color:var(--pedra);font-size:15px;margin:0}
.entregas{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;background:var(--branco);border:1px solid var(--linha);padding:40px;margin-bottom:24px}
.entregas__cab h3{font:600 26px/1.2 var(--serif);margin-bottom:12px}
.entregas__cab p{color:var(--pedra);margin:0}
.entregas__lista{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}
.entregas__lista li{padding:14px 0;border-bottom:1px solid var(--linha);display:flex;flex-direction:column}
.entregas__lista strong{font-weight:600}
.entregas__lista span{font-size:14px;color:var(--pedra)}
.modalidades{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mod{border-top:3px solid var(--grafite);padding:24px 0 0}
.mod__l{display:inline-block;font:700 13px/1 var(--sans);letter-spacing:.1em;color:var(--latao);margin-bottom:10px}
.mod h3{font:600 20px/1.25 var(--serif);margin-bottom:8px}
.mod p{color:var(--pedra);font-size:15px;margin:0}

/* Tecnologia */
.tec{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.tec__txt h2{margin-bottom:24px}
.tec__txt p{color:#C3C8CD;font-size:17px}
.tec__lista{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--linha-esc);border:1px solid var(--linha-esc)}
.tec__lista li{background:var(--grafite);padding:28px}
.tec__lista h3{color:var(--latao-claro);margin-bottom:8px;font-size:16px}
.tec__lista p{color:#B4BAC0;font-size:14.5px;margin:0}

/* Casos */
.caso{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;margin-bottom:64px}
.caso--inv{grid-template-columns:.85fr 1.15fr;margin:64px 0 0}
.caso--inv .caso__galeria{order:2}
.caso__galeria{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.foto{padding:0;border:0;background:var(--grafite);cursor:zoom-in;overflow:hidden;border-radius:var(--raio);display:block;width:100%}
.foto img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s,opacity .3s}
.foto:hover img{transform:scale(1.04)}
.foto--g{grid-column:1/-1}
.caso__local{font:600 12px/1.4 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--latao);margin-bottom:8px}
.caso h3,.caso-c h3{font:600 clamp(24px,2.6vw,32px)/1.15 var(--serif);margin-bottom:8px}
.caso__sub{color:var(--pedra);font-size:16px;margin-bottom:24px}
.caso__dl{margin:0 0 24px}
.caso__dl div{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:12px 0;border-top:1px solid var(--linha)}
.caso__dl dt{font-weight:600;font-size:14px}
.caso__dl dd{margin:0;font-size:15px;color:#3E4449}
.caso__kpi{display:grid;grid-template-columns:repeat(4,1fr);background:var(--grafite);color:#fff}
.caso__kpi li{padding:16px 14px;border-left:1px solid var(--linha-esc)}
.caso__kpi li:first-child{border-left:0}
.caso__kpi strong{display:block;font:700 24px/1 var(--serif);color:var(--latao-claro);margin-bottom:6px}
.caso__kpi span{font-size:12.5px;line-height:1.3;color:#B4BAC0;display:block}
.casos2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.caso-c{background:var(--branco);border:1px solid var(--linha);border-top:3px solid var(--latao);padding:32px}
.caso-c p{color:#3E4449;font-size:15.5px}
.caso-c .caso__sub{color:var(--pedra)}
.caso-c p.caso__local{color:var(--latao)}
.caso-c__res{margin:0;padding-top:16px;border-top:1px solid var(--linha)}

/* Acervo */
.abas{display:flex;gap:4px;border-bottom:1px solid var(--linha);margin-bottom:32px;overflow-x:auto;scrollbar-width:none}
.abas button{background:none;border:0;border-bottom:3px solid transparent;margin-bottom:-1px;padding:14px 18px;font:600 15px/1 var(--sans);color:var(--pedra);cursor:pointer;white-space:nowrap}
.abas button[aria-selected="true"]{color:var(--grafite);border-color:var(--latao)}
.painel{animation:aparece .35s ease}
.acv{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.acv__bloco{border:1px solid var(--linha);padding:28px;background:var(--fundo)}
.acv__bloco h3{font:600 19px/1.3 var(--serif);margin-bottom:8px}
.acv__meta{font-size:13px;color:var(--pedra);margin-bottom:16px}
.acv table{width:100%;border-collapse:collapse;font-size:14.5px}
.acv th,.acv td{padding:10px 0;border-top:1px solid var(--linha);vertical-align:top}
.acv th{text-align:left;font-weight:400;color:#3E4449;padding-right:12px}
.acv td{text-align:right;font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}
.acv__ul li{font-size:14.5px;padding:10px 0;border-top:1px solid var(--linha);color:#3E4449}


/* Galeria do acervo */
.acv-galeria{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.acv-galeria figure{margin:0}
.acv-galeria .foto{background:var(--fundo);border:1px solid var(--linha)}
.acv-galeria .foto img{aspect-ratio:4/3;object-fit:cover;object-position:center}
.acv-galeria figcaption{font-size:13.5px;line-height:1.45;color:var(--pedra);margin-top:10px}
@media (max-width:860px){.acv-galeria{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.acv-galeria{grid-template-columns:1fr}}

/* Sobre */
.sobre{display:grid;grid-template-columns:.7fr 1.3fr;gap:64px;align-items:start}
.sobre__vis{background:var(--grafite);padding:48px 40px;position:sticky;top:calc(var(--topo) + 24px)}
.sobre__sim{width:100%;aspect-ratio:1.04;color:#E8E8E4;display:block;margin-bottom:32px}
.sobre__sim{--lote:var(--latao-claro)}
.sobre__crea{display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--linha-esc);padding-top:20px}
.sobre__crea span{font:500 13px/1.4 var(--sans);letter-spacing:.06em;color:#B4BAC0}
.sobre__txt h2{margin-bottom:24px}
.sobre__txt>p{font-size:17px;color:#3E4449}
.sobre__cols{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:40px;padding-top:32px;border-top:1px solid var(--linha)}
.sobre__cols h3{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--latao);margin-bottom:14px}
.sobre__cols h3:not(:first-child){margin-top:28px}
.sobre__cols ul:not(.tags) li{font-size:15px;padding:8px 0;border-bottom:1px solid var(--linha);color:#3E4449}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags li{font-size:13.5px;padding:6px 12px;border:1px solid var(--linha);background:var(--branco);border-radius:999px}

/* Atendimento */
.atend{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}
.atend h2{margin-bottom:12px}
.atend p{color:var(--pedra);margin:0}
.cidades{display:flex;flex-wrap:wrap;gap:10px}
.cidades li{padding:10px 16px;border:1px solid var(--linha);background:var(--fundo);font-weight:500;font-size:15px;display:flex;align-items:center;gap:10px}
.cidades li::before{content:"";width:8px;height:8px;background:var(--latao)}
.cidades .cidades__mais{border-style:dashed;background:transparent;color:var(--pedra)}
.cidades .cidades__mais::before{display:none}

/* FAQ */
.faq{display:grid;grid-template-columns:.7fr 1.3fr;gap:64px}
.faq details{border-top:1px solid var(--linha)}
.faq details:last-child{border-bottom:1px solid var(--linha)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font:600 17px/1.4 var(--sans);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:12px;border-right:2px solid var(--latao);border-bottom:2px solid var(--latao);transform:translateY(-75%) rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.faq details p{color:var(--pedra);padding-bottom:22px;margin:0;max-width:680px}

/* Contato */
.contato{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contato__txt h2{margin-bottom:20px}
.contato__txt>p{color:#C3C8CD;font-size:17px;margin-bottom:32px}
.canais li{border-top:1px solid var(--linha-esc)}
.canais li:last-child{border-bottom:1px solid var(--linha-esc)}
.canais a,.canais li>span{display:flex;align-items:baseline;gap:16px;padding:16px 0;text-decoration:none;font-size:16px;color:#fff;transition:color .2s}
.canais a:hover{color:var(--latao-claro)}
.canais__r{flex:none;width:110px;font:600 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:#8E959B}
.form{background:var(--fundo);color:var(--grafite);padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;border-top:4px solid var(--latao)}
.campo{display:flex;flex-direction:column;gap:6px}
.campo--l,.form__erro,.form__btns,.form__nota{grid-column:1/-1}
.campo label{font:600 13px/1 var(--sans)}
.campo input,.campo select,.campo textarea{font:400 15px/1.4 var(--sans);color:var(--grafite);background:var(--branco);border:1px solid #CFCFC9;border-radius:var(--raio);padding:12px 14px;width:100%;transition:border-color .2s,box-shadow .2s}
.campo textarea{resize:vertical;min-height:110px}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:0;border-color:var(--latao);box-shadow:0 0 0 3px rgba(166,124,46,.18)}
.campo .invalido{border-color:#B3261E}
.form__erro{color:#B3261E;font-size:14px;margin:0}
.form__btns{display:flex;flex-wrap:wrap;gap:12px}
.form__btns .btn--linha{color:var(--grafite)}
.form__btns .btn--linha:hover{color:var(--latao);border-color:var(--latao)}
.form__nota{font-size:12.5px;color:var(--pedra);margin:0}

/* Rodapé */
.rodape{background:#1B1E21;color:#9EA4AA;padding:40px 0}
.rodape__in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.rodape__marca{display:flex;align-items:center;gap:12px}
.rodape .marca__sim{color:#E8E8E4;--lote:var(--latao-claro)}
.rodape .marca__nome{color:#fff}
.rodape .marca__ep,.rodape .marca__eng{color:#9EA4AA}
.rodape__dados p{margin:0;font-size:13px;line-height:1.7}
.rodape__topo{font-size:13px;text-decoration:none}
.rodape__topo:hover{color:var(--latao-claro)}

/* WhatsApp flutuante */
.wpp{position:fixed;right:20px;bottom:20px;z-index:40;width:56px;height:56px;border-radius:50%;background:var(--grafite);color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px rgba(0,0,0,.25);border:2px solid var(--latao-claro);transition:transform .2s,background .2s}
.wpp:hover{transform:scale(1.06);background:var(--latao)}
.wpp svg{width:28px;height:28px}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:90;background:rgba(20,22,25,.94);display:grid;place-items:center;padding:24px}
.lb[hidden]{display:none}
.lb figure{margin:0;max-width:1200px;width:100%}
.lb img{width:100%;max-height:80vh;object-fit:contain}
.lb figcaption{color:#C3C8CD;font-size:14px;margin-top:12px;text-align:center}
.lb__x{position:absolute;top:12px;right:16px;width:48px;height:48px;border:0;background:none;color:#fff;font-size:36px;line-height:1;cursor:pointer}

/* Revelação ao rolar */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.visivel{opacity:1;transform:none}

/* Responsivo */
@media (max-width:1020px){
  .nav{gap:20px}
  .hero__in{grid-template-columns:1fr;min-height:0;max-height:none;padding-top:56px;padding-bottom:64px}
  .hero__vis{justify-self:start;max-width:340px;margin-left:28px}
  .dores{grid-template-columns:1fr 1fr}
  .etapas{grid-template-columns:1fr 1fr;gap:40px 0}
  .etapas::before{display:none}
  .entregas,.tec,.caso,.caso--inv,.sobre,.atend,.faq,.contato{grid-template-columns:1fr;gap:40px}
  .caso--inv .caso__galeria{order:0}
  .acv{grid-template-columns:1fr 1fr}
  .sobre__vis{position:static;display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:center;padding:28px}
  .sobre__sim{margin:0}
  .sobre__crea{border:0;padding:0}
}
@media (max-width:860px){
  .menu{display:flex}
  .nav{position:fixed;top:var(--topo);left:0;right:0;bottom:0;background:var(--fundo);flex-direction:column;align-items:stretch;gap:0;padding:16px 20px;opacity:0;transform:translateY(-8px);transition:opacity .25s ease,transform .25s ease,visibility 0s .25s;visibility:hidden;pointer-events:none}
  .nav.aberto{opacity:1;transform:none;visibility:visible;pointer-events:auto;transition:opacity .25s ease,transform .25s ease}
  .nav a{font-size:20px;padding:18px 0;border-bottom:1px solid var(--linha);color:var(--grafite)}
  .nav a::after{display:none}
  .nav .nav__cta{margin-top:20px;text-align:center;padding:18px;border:0}
  .numeros__in{grid-template-columns:1fr 1fr}
  .num{padding:24px 16px}
  .num:nth-child(odd){border-left:0;padding-left:0}
  .num:nth-child(n+3){border-top:1px solid var(--linha-esc)}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .dores,.servicos,.modalidades,.casos2,.acv,.tec__lista,.entregas__lista,.sobre__cols{grid-template-columns:1fr}
  .serv ul{grid-template-columns:1fr}
  .etapas{grid-template-columns:1fr}
  .entregas{padding:28px 20px}
  .serv,.caso-c{padding:26px 22px}
  .caso__kpi{grid-template-columns:1fr 1fr}
  .caso__kpi li:nth-child(3){border-left:0}
  .caso__kpi li:nth-child(n+3){border-top:1px solid var(--linha-esc)}
  .caso__dl div{grid-template-columns:1fr;gap:4px}
  .form{grid-template-columns:1fr;padding:26px 20px}
  .hero__vis{max-width:260px}
  .ficha{right:-8px;bottom:-28px;max-width:190px;padding:14px 16px}
  .ficha__n{font-size:32px}
  .canais__r{width:92px}
  .sobre__vis{grid-template-columns:90px 1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}

/* pranchas e estudos */
.pranchas{margin-top:48px;padding-top:40px;border-top:1px solid var(--linha)}
.pranchas h3{font:600 22px/1.3 var(--serif);margin:0 0 8px}
.pranchas__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pranchas figure{margin:0}
.pranchas .foto{background:#fff;border:1px solid var(--linha)}
.pranchas .foto img{aspect-ratio:4/3;object-fit:cover;object-position:center}
.pranchas figcaption{font-size:13.5px;line-height:1.4;margin-top:8px;color:var(--grafite);font-weight:500}
.pranchas figcaption span{color:var(--pedra);font-weight:400}
@media (max-width:1020px){.pranchas__grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.pranchas__grid{grid-template-columns:1fr 1fr;gap:12px}}

/* mesclagem 07/11/2026 */
.servicos--3{grid-template-columns:repeat(3,1fr)}
.serv__n{display:block;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--latao);margin-bottom:6px}
.serv--destaque .serv__n{color:var(--latao-claro)}
.serv ul{margin-top:12px}
@media (max-width:980px){.servicos--3{grid-template-columns:1fr}}
.acv-galeria figcaption .cr{display:block;font-size:11.5px;color:var(--pedra);opacity:.85;margin-top:4px}
.acv-galeria .foto img[src*="ep-"]{object-fit:contain;background:#F5F5F3}
.acv-galeria .foto img.foto-real{object-fit:cover}
.servicos--3 .serv ul{grid-template-columns:1fr;columns:auto}

.pranchas figcaption .cr{display:block;font-size:11.5px;font-weight:400;color:var(--pedra);opacity:.85;margin-top:3px}