:root{
  --navy:#314372;
  --navy-deep:#1f2c4f;
  --ink:#111317;
  --steel:#5d6573;
  --dim:#8a93a6;          /* cor das cotas */
  --line:#d9dde4;
  --white:#ffffff;
  --accent:#a9bbe6;
  --max:1180px;
  --sans:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  /* folha quadriculada */
  --gmin:rgba(49,67,114,.035);
  --gmaj:rgba(49,67,114,.08);
  --paper:#ffffff;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);line-height:1.55;font-size:17px;-webkit-font-smoothing:antialiased;background:#fff}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;position:relative}

/* ===== Folha quadriculada (base de toda a identidade) ===== */
.sheet{
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--gmaj) 1px,transparent 1px),
    linear-gradient(90deg,var(--gmaj) 1px,transparent 1px),
    linear-gradient(var(--gmin) 1px,transparent 1px),
    linear-gradient(90deg,var(--gmin) 1px,transparent 1px);
  background-size:80px 80px,80px 80px,16px 16px,16px 16px;
  background-position:-1px -1px;
}
.tint{background:#f5f6f8}
/* versão "blueprint" de verdade: azul com linhas brancas */
.sheet.blue{--paper:var(--navy);--gmin:rgba(255,255,255,.035);--gmaj:rgba(255,255,255,.09);color:#fff}
.sheet.dark{--paper:#141824;--gmin:rgba(255,255,255,.035);--gmaj:rgba(255,255,255,.08)}

/* Cantoneiras — as mesmas "travas" internas da moldura da logo */
.notch{position:relative;--n:var(--navy)}
.notch::after{content:"";position:absolute;inset:9px;pointer-events:none;
  background:
    linear-gradient(var(--n),var(--n)) left top/12px 2px,
    linear-gradient(var(--n),var(--n)) left top/2px 12px,
    linear-gradient(var(--n),var(--n)) right top/12px 2px,
    linear-gradient(var(--n),var(--n)) right top/2px 12px,
    linear-gradient(var(--n),var(--n)) left bottom/12px 2px,
    linear-gradient(var(--n),var(--n)) left bottom/2px 12px,
    linear-gradient(var(--n),var(--n)) right bottom/12px 2px,
    linear-gradient(var(--n),var(--n)) right bottom/2px 12px;
  background-repeat:no-repeat}

/* Linha de cota horizontal: |←—— 76,2 ——→| */
.cota{display:flex;align-items:center;gap:10px;color:var(--dim);font:12px var(--mono);letter-spacing:.04em;height:16px;
  border-left:1px solid currentColor;border-right:1px solid currentColor;white-space:nowrap}
.cota::before,.cota::after{content:"";flex:1;height:1px;background:currentColor}
.cota::before{-webkit-mask:linear-gradient(90deg,#000,#000);}
.cota.arrows{position:relative}
.cota.arrows i{position:absolute;top:50%;width:0;height:0;border:4px solid transparent;margin-top:-4px}
.cota.arrows i:first-child{left:0;border-right:0;border-left:7px solid currentColor}
.cota.arrows i:last-child{right:0;border-left:0;border-right:7px solid currentColor}

/* Indicação de detalhe (bolha numerada com chamada) */
.eyebrow{display:flex;align-items:center;gap:12px;font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--navy);margin-bottom:16px}
.eyebrow span{color:var(--dim)}
.eyebrow::after{content:"";width:32px;height:1px;background:currentColor;opacity:.6}
.process .eyebrow,.process .eyebrow span{color:var(--accent)}
.det{display:inline-flex;align-items:flex-end;margin-bottom:18px;color:var(--navy)}
.det .bub{width:38px;height:38px;border:1.5px solid currentColor;border-radius:50%;display:grid;place-items:center;font:500 13px var(--mono);position:relative}
.det .bub::after{content:"";position:absolute;left:4px;right:4px;top:50%;height:1px;background:currentColor;opacity:.5}
.det .bub b{position:relative;top:-7px;font-weight:500;font-size:11px}
.det .bub small{position:absolute;bottom:3px;font-size:9px;opacity:.7}
.det .lbl{font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;border-bottom:1.5px solid currentColor;padding:0 16px 4px 10px;margin-bottom:18px}

.mono{font-family:var(--mono)}

/* ===== Header ===== */
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.logo{width:190px;height:auto;flex-shrink:0}
.nav ul{display:flex;gap:8px;list-style:none;font-weight:500;font-size:15px}
.nav ul a{color:var(--steel);padding:8px 12px;border:1px solid transparent;transition:all .2s;display:block}
.nav ul a span{color:var(--dim);margin-right:6px}
.nav ul a:hover{color:var(--navy);border-color:var(--line);background:#fff}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--navy);color:#fff;padding:13px 22px;font-weight:500;font-size:15px;letter-spacing:.03em;border:2px solid var(--navy);transition:background .2s,color .2s}
.btn:hover{background:var(--navy-deep);border-color:var(--navy-deep)}
.btn.ghost{background:#fff;color:var(--navy)}
.btn.ghost:hover{background:var(--navy);color:#fff}
.btn.light{background:#fff;color:var(--navy);border-color:#fff}
.btn svg{width:18px;height:18px}
.menu-toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:var(--navy);margin:7px 6px;transition:transform .25s,opacity .25s}
.nav.open .menu-toggle span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.nav.open .menu-toggle span:nth-child(2){opacity:0}
.nav.open .menu-toggle span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{padding:80px 0 88px;overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.92) 40%,rgba(255,255,255,0) 75%)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
h1{font-weight:400;font-size:clamp(40px,5.6vw,68px);line-height:1.04;letter-spacing:-.01em;margin-bottom:24px}
h1 strong{font-weight:600;color:var(--navy)}
.lead{font-size:19px;color:var(--steel);max-width:30em;margin-bottom:36px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero-figure svg{width:100%;height:auto}
.draw{stroke-dasharray:600;stroke-dashoffset:600;animation:draw 1.6s .3s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.fadein{opacity:0;animation:fade .8s 1.2s ease forwards}
@keyframes fade{to{opacity:1}}
.highlight{margin-top:44px;display:inline-flex;align-items:baseline;gap:12px;padding:6px 0 6px 18px;border-left:3px solid var(--navy);font-size:22px;font-weight:500;color:var(--ink)}
.highlight strong{color:var(--navy);font-weight:600}

/* ===== Seções ===== */
section{padding:104px 0;position:relative;border-top:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;margin-bottom:48px}
h2{font-weight:400;font-size:clamp(32px,3.8vw,46px);line-height:1.1}
h2 strong{font-weight:600}
.sec-head p{color:var(--steel);max-width:24em;text-align:left;padding-bottom:6px}
.sec-cota{margin-bottom:48px}
/* marcas de registro nos cantos das seções */
.reg{position:absolute;width:18px;height:18px;color:var(--dim);opacity:.7}
.reg::before,.reg::after{content:"";position:absolute;background:currentColor}
.reg::before{left:50%;top:0;bottom:0;width:1px}
.reg::after{top:50%;left:0;right:0;height:1px}
.reg.tl{top:24px;left:24px}.reg.tr{top:24px;right:24px}

/* ===== Serviços ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc{background:#fff;border:1px solid var(--line);padding:38px 34px 30px;transition:border-color .25s,transform .25s}
.svc:hover{border-color:var(--navy)}
.svc .top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px}
.svc .ic{width:60px;height:60px;color:var(--navy)}
.svc .code{font:12px var(--mono);color:var(--dim);border:1px solid var(--line);padding:3px 7px}
.svc h3{font-weight:500;font-size:21px;margin-bottom:8px}
.svc p{color:var(--steel);font-size:16px}
.svc .spec{margin-top:20px;padding-top:12px;border-top:1px solid var(--line);font:11px var(--mono);color:var(--dim);letter-spacing:.04em;text-transform:uppercase}

/* ===== Portfólio ===== */
.filters{display:flex;gap:0;flex-wrap:wrap;margin-bottom:36px;border:1px solid var(--line);width:fit-content;background:#fff}
.filters button{font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;background:none;border:0;border-right:1px solid var(--line);color:var(--steel);padding:11px 16px;cursor:pointer;transition:all .2s}
.filters button:last-child{border-right:0}
.filters button:hover{color:var(--navy);background:#f3f5f9}
.filters button.on{background:var(--navy);color:#fff}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 28px}
.work{cursor:pointer}
.work.hide{display:none}
.work .frame{display:block}
.work .ph{aspect-ratio:4/3;border:1px solid var(--line);display:grid;place-items:center;overflow:hidden;transition:border-color .25s;background:#f5f6f8;position:relative}
.work .ph svg{height:70%;width:auto;max-width:72%;color:var(--navy);transition:transform .4s}
.work:hover .ph{border-color:var(--navy)}
.work:hover .ph svg{transform:scale(1.05)}
.work .tag{position:absolute;left:14px;top:14px;font:11px var(--mono);letter-spacing:.08em;text-transform:uppercase;background:var(--navy);color:#fff;padding:3px 8px;z-index:1}
.work .vcota{writing-mode:vertical-rl;transform:rotate(180deg);height:auto;width:16px;margin-left:10px;border:0;border-top:1px solid currentColor;border-bottom:1px solid currentColor;flex-direction:row}
.work .vcota::before,.work .vcota::after{width:1px;height:auto;flex:1}
.work .hcota{margin-top:10px}
.work .meta{margin-top:14px;display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.work h4{font-weight:500;font-size:18px;margin-top:14px}
.work .dims{display:inline-block;margin-top:8px;border:1px solid var(--line);padding:2px 8px}
.work .ref{font:11px var(--mono);color:var(--dim)}
.work small{color:var(--steel);font-size:14px;display:block}

/* ===== Processo (blueprint azul) ===== */
.process{border-top:0;overflow:hidden}
.process .det{color:#fff}
.process .sec-head p{color:#c4cde3}
.process .sec-head p.statement{color:#fff;font-size:24px;line-height:1.35;font-weight:500;max-width:18em;padding:4px 0 4px 20px;border-left:3px solid var(--accent)}
.process .cota{color:rgba(255,255,255,.55)}
.process .reg{color:#fff;opacity:.5}
.bp-art{position:absolute;right:-90px;bottom:-70px;width:560px;opacity:.09;pointer-events:none}
.steps{display:grid;grid-template-columns:repeat(3,1fr);position:relative;margin-top:20px}
.steps::before{content:"";position:absolute;top:19px;left:19px;right:19px;height:1px;background:rgba(255,255,255,.45)}
.step{padding-right:28px;position:relative}
.step .bub{width:38px;height:38px;border:1.5px solid #fff;border-radius:50%;display:grid;place-items:center;font:500 13px var(--mono);background:var(--navy);position:relative;margin-bottom:26px}
.step h3{font-weight:500;font-size:21px;margin-bottom:8px}
.step p{color:#c4cde3;font-size:16px}

/* ===== Sobre ===== */
.about .grid2{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.about-fig{background:#fff;border:1px solid var(--line);padding:34px 30px 26px}
.about-fig svg{width:100%;height:auto}
.about-fig .cap{display:flex;justify-content:space-between;margin-top:14px;padding-top:10px;border-top:1px solid var(--line);font:11px var(--mono);color:var(--dim);letter-spacing:.05em;text-transform:uppercase}
.about p{color:var(--steel);margin-top:20px}
.company{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin-top:32px}
.company div{padding:16px 0;border-top:1px solid #dfe3ea}
.company dt{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-bottom:4px}
.company dd{font-size:17px;color:var(--ink)}

/* ===== Contato ===== */
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;border:1px solid var(--navy);background:#fff}
.info{display:grid;grid-template-columns:1fr 1fr}
.info .cell{padding:22px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.info .cell:nth-child(2n){border-right:0}
.info .cell.full{grid-column:1/-1;border-right:0}
.info dt{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-bottom:6px}
.info dd{font-size:17px}
.info dd small{display:block;color:var(--steel);font-size:14px}
.info .actions{grid-column:1/-1;padding:22px 24px;display:flex;gap:12px;flex-wrap:wrap}
.map{min-height:440px;border-left:1px solid var(--navy);position:relative;overflow:hidden;background:#eef1f6}
.map iframe{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(.35) contrast(1.02)}
.info dd a:hover{color:var(--navy);text-decoration:underline}
.company .full{grid-column:1/-1}

/* ===== Rodapé (blueprint escuro) ===== */
.foot-bp{--paper:#141824;--gmin:rgba(255,255,255,.03);--gmaj:rgba(255,255,255,.07);color:#aeb5c4;padding:80px 0 32px;font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.1fr;gap:48px}
.foot-brand .logo{width:200px;margin-bottom:20px}
.foot-brand p{max-width:22em;color:#aeb5c4}
.foot-bp h5{font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.foot-bp h5::after{content:"";width:24px;height:1px;background:currentColor;opacity:.6}
.foot-bp ul{list-style:none;display:grid;gap:10px;color:#dfe3ec}
.foot-bp ul a:hover{color:#fff}
.foot-bp li.gap{margin-top:10px}
.copy{margin-top:64px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font:12px var(--mono);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#6f7790}

/* WhatsApp */
.wa{position:fixed;right:22px;bottom:22px;z-index:30;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.18);transition:transform .2s}
.wa:hover{transform:scale(1.07)}
.wa svg{width:30px;height:30px;color:#fff}

/* Lightbox */
.lb{position:fixed;inset:0;background:rgba(17,19,23,.88);z-index:50;display:none;place-items:center;padding:24px}
.lb.open{display:grid}
.lb-box{background:#fff;max-width:780px;width:100%;position:relative}
.lb-box .ph{aspect-ratio:16/10;display:grid;place-items:center;border-bottom:1px solid var(--line)}
.lb-box .ph svg{height:70%;width:auto;max-width:60%;color:var(--navy)}
.lb-box .txt{padding:22px 28px 26px;display:grid;grid-template-columns:1fr auto;gap:8px 24px;align-items:end}
.lb-box h4{font-weight:500;font-size:22px}
.lb-box p{color:var(--steel)}
.lb-box .ref{font:12px var(--mono);color:var(--dim);text-align:right}
.lb-close{position:absolute;top:-44px;right:0;background:none;border:0;color:#fff;font:14px var(--mono);cursor:pointer}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Responsivo ===== */
@media (max-width:960px){
  .hero .wrap,.about .grid2,.contact-grid{grid-template-columns:1fr}
  .hero-figure{max-width:540px}
  .svc-grid,.gallery{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr;row-gap:44px}
  .steps::before{display:none}
  .map{border-left:0;border-top:1px solid var(--navy);min-height:320px}
  .about .grid2{gap:44px}
  .sec-head{grid-template-columns:1fr}
  .sec-head p{text-align:left}
  .bp-art{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav ul,.nav .btn{display:none}
  .menu-toggle{display:block}
  .nav.open ul{display:flex;flex-direction:column;position:absolute;top:76px;left:0;right:0;background:#fff;padding:16px 16px 22px;gap:4px;border-bottom:1px solid var(--line)}
}
@media (max-width:600px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  section{padding:76px 0}
  .hero{padding:52px 0 60px}
  .svc-grid,.gallery,.steps{grid-template-columns:1fr}
  .info{grid-template-columns:1fr}
  .info .cell{border-right:0}
  .logo{width:160px}
  .reg{display:none}
  .foot-grid{grid-template-columns:1fr;gap:36px}
  .company{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}.reveal,.fadein{opacity:1;transform:none}.draw{stroke-dashoffset:0}}

/* ===== Ajustes mobile / toque ===== */
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
@media (max-width:860px){
  .nav{height:68px}
  .nav.open ul{top:68px;box-shadow:0 12px 24px rgba(17,19,23,.08)}
  .nav.open ul a{padding:12px 8px;font-size:17px}
  html{scroll-padding-top:76px}
}
@media (max-width:600px){
  h1{font-size:38px}
  h2{font-size:30px}
  .highlight{font-size:19px;margin-top:36px}
  .process .sec-head p.statement{font-size:20px}
  .lead{font-size:17px}
  .cta-row .btn{flex:1;justify-content:center}
  .filters{width:100%;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
  .filters button{flex:0 0 auto;padding:12px 14px}
  .hero-figure{margin-top:8px}
  .map{min-height:260px}
  .lb{padding:56px 16px 16px}
  .lb-box .txt{grid-template-columns:1fr;padding:18px}
  .lb-box .ref{text-align:left}
  .info .actions .btn{width:100%;justify-content:center}
  .copy{flex-direction:column;gap:6px}
}
@media (hover:none){.work:hover .ph svg{transform:none}}