/* ═══ Página "O que fazemos" — concreto e aço ═══════════ */

.fz{padding-top:118px}
.fz__h{font-size:clamp(32px,5.6vw,74px);line-height:1.02;letter-spacing:-.035em;margin-bottom:18px}
.fz__s{color:var(--mut);max-width:56ch;margin-bottom:28px}
.fz__cta{margin-bottom:8px}

/* o que vendemos */
.sv{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);
  border:1px solid var(--rule)}
.sv__c{background:var(--paper);padding:30px 28px 34px;transition:background .4s ease}
.sv__c:hover{background:#fff}
.sv__c .mn{color:var(--mut2);display:block;margin-bottom:20px}
.sv__c h3{font-size:1.5em;letter-spacing:-.02em;line-height:1.15;margin-bottom:10px}
.sv__c p{color:var(--mut);font-size:.94em}
@media (max-width:900px){.sv{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.sv{grid-template-columns:1fr}}

/* abas de categoria */
.pfTabs{display:flex;gap:0;flex-wrap:wrap;border:1px solid var(--rule);background:var(--rule)}
.pfT{flex:1 1 auto;display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;
  padding:15px 18px;background:var(--paper);border:none;color:var(--mut);
  font-family:Plex,monospace;font-size:.72em;letter-spacing:.13em;text-transform:uppercase;
  transition:.35s cubic-bezier(.16,1,.3,1);white-space:nowrap}
.pfT span{font-size:.92em;opacity:.5}
.pfT:hover{background:#fff;color:var(--ink)}
.pfT.is-on{background:var(--ink);color:var(--paper)}
.pfT.is-on span{opacity:.6}
.pfSub{color:var(--mut2);margin:16px 0 30px}

/* grade */
.pfGrid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--rule);
  border:1px solid var(--rule)}
.pfC{cursor:pointer;background:var(--paper);transition:background .4s ease;
  animation:fzpop .55s both cubic-bezier(.16,1,.3,1);animation-delay:calc(var(--i)*70ms)}
@keyframes fzpop{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.pfC:hover{background:#fff}
.pfC--big{grid-column:1/-1}
.pfC__img{position:relative;overflow:hidden;background:var(--graf)}
.pfC__img img{width:100%;aspect-ratio:16/10;transition:transform .8s cubic-bezier(.16,1,.3,1);
  filter:saturate(.72) contrast(1.04)}
.pfC--big .pfC__img img{aspect-ratio:21/9}
.pfC:hover .pfC__img img{transform:scale(1.03);filter:saturate(1) contrast(1)}
.pfC__play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:52px;height:52px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.7);background:rgba(18,21,25,.55);backdrop-filter:blur(6px);
  color:#fff;font-size:.85em;padding-left:3px;transition:.4s}
.pfC:hover .pfC__play{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.pfC__est{position:absolute;right:0;bottom:0;padding:7px 13px;background:var(--paper);
  color:var(--mut);font-family:Plex,monospace;font-size:.66em;letter-spacing:.12em;text-transform:uppercase}
.pfC__txt{padding:24px 26px 28px}
.pfC__txt h3{font-family:Instrument,serif;font-size:1.5em;letter-spacing:-.02em;line-height:1.15}
.pfC__tag{font-family:Plex,monospace;font-size:.66em;letter-spacing:.13em;text-transform:uppercase;
  color:var(--aco);margin:6px 0 12px}
.pfC__d{color:var(--mut);font-size:.93em}
.pfC__ver{display:inline-flex;gap:9px;margin-top:18px;font-family:Plex,monospace;
  font-size:.68em;letter-spacing:.13em;text-transform:uppercase;color:var(--ink)}
.pfC__ver b{transition:transform .4s cubic-bezier(.16,1,.3,1)}
.pfC:hover .pfC__ver b{transform:translateX(5px)}
@media (max-width:860px){.pfGrid{grid-template-columns:1fr}.pfC--big{grid-column:auto}}

/* fecho */
.fz__fim{text-align:center;padding:80px 0 100px;border-top:1px solid var(--rule);margin-top:60px}
.fz__fim h2{font-size:clamp(24px,3.4vw,44px);letter-spacing:-.03em;margin-bottom:12px}
.fz__fim p{color:var(--mut);margin-bottom:28px}

/* galeria */
.lbx{position:fixed;inset:0;z-index:200;background:rgba(14,16,19,.94);
  opacity:0;pointer-events:none;transition:opacity .35s ease}
.lbx.is-on{opacity:1;pointer-events:auto}
.lbx__in{position:absolute;inset:0;overflow-y:auto;padding:80px max(20px,4vw) 80px;
  max-width:1020px;margin:0 auto;transform:translateY(12px);
  transition:transform .5s cubic-bezier(.16,1,.3,1)}
.lbx.is-on .lbx__in{transform:none}
.lbx__x{position:fixed;top:20px;right:max(20px,4vw);z-index:2;width:42px;height:42px;
  border:1px solid rgba(255,255,255,.3);background:none;color:#fff;cursor:pointer;transition:.3s}
.lbx__x:hover{background:#fff;color:var(--ink)}
.lbx__cab{color:#fff;margin-bottom:30px;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.16)}
.lbx__cab h3{font-family:Instrument,serif;font-size:clamp(28px,4vw,46px);letter-spacing:-.025em;line-height:1.06}
.lbx__cab p{font-family:Plex,monospace;font-size:.68em;letter-spacing:.13em;text-transform:uppercase;
  color:rgba(255,255,255,.45);margin-top:9px}
.lbx__d{font-family:Archivo,sans-serif!important;font-size:1em!important;letter-spacing:-.008em!important;
  text-transform:none!important;color:rgba(255,255,255,.8)!important;margin-top:16px!important;max-width:64ch}
.lbx__f,.lbx__v{margin-bottom:22px}
.lbx__f img,.lbx__v video{width:100%;background:var(--graf);display:block;border:1px solid rgba(255,255,255,.12)}
.lbx__f figcaption,.lbx__v figcaption{font-family:Plex,monospace;font-size:.66em;letter-spacing:.13em;
  text-transform:uppercase;color:rgba(255,255,255,.42);margin-top:10px}
.lbx__cta{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;margin-top:10px;
  padding:15px 24px;border:1px solid #fff;color:#fff;
  font-family:Plex,monospace;font-size:.72em;letter-spacing:.14em;text-transform:uppercase;transition:.4s}
.lbx__cta:hover{background:#fff;color:var(--ink)}

/* CTA em cada serviço */
.sv__c{display:flex;flex-direction:column}
.sv__c p{flex:1}
.sv__cta{display:inline-flex;align-items:center;gap:10px;margin-top:22px;padding-top:16px;
  border-top:1px solid var(--rule);font-family:Plex,monospace;font-size:.68em;
  letter-spacing:.13em;text-transform:uppercase;color:var(--ink)}
.sv__cta span{transition:transform .4s cubic-bezier(.16,1,.3,1)}
.sv__c:hover .sv__cta span{transform:translateX(5px)}
.sv__c:hover .sv__cta{color:var(--aco)}

/* ═══ GRADE ESTILO INSTAGRAM ═══════════════════════════════ */
.pfGrid{display:block}
.ig{display:block;width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:0;
  animation:fzpop .55s both cubic-bezier(.16,1,.3,1);animation-delay:calc(var(--i)*60ms)}
.ig__im{position:relative;display:block;overflow:hidden;background:var(--graf);aspect-ratio:1/1}
.ig__im img{width:100%;height:100%;object-fit:cover;object-position:top center;
  transition:transform .7s cubic-bezier(.16,1,.3,1),filter .5s;filter:saturate(.8) contrast(1.03)}
.ig:hover .ig__im img{transform:scale(1.04);filter:none}
.ig__c{position:absolute;right:10px;top:10px;min-width:24px;height:24px;padding:0 7px;
  display:flex;align-items:center;justify-content:center;background:rgba(18,21,25,.72);
  backdrop-filter:blur(6px);color:#fff;font-family:Plex,monospace;font-size:.62em;letter-spacing:.06em}
.ig__c::before{content:"";width:9px;height:9px;margin-right:5px;border:1px solid currentColor;
  box-shadow:2px -2px 0 -1px currentColor}
.ig__n{display:block;margin-top:14px;font-family:Instrument,serif;font-size:1.24em;letter-spacing:-.02em}
.ig__t{display:block;margin-top:2px;font-family:Plex,monospace;font-size:.64em;
  letter-spacing:.13em;text-transform:uppercase;color:var(--mut2)}
@media (max-width:1080px){.pfGrid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.pfGrid{grid-template-columns:repeat(2,1fr);gap:12px}}

/* ═══ CARROSSEL ════════════════════════════════════════════ */
.cr{position:fixed;inset:0;z-index:220;background:rgba(12,14,17,.96);display:flex;
  flex-direction:column;opacity:0;pointer-events:none;transition:opacity .3s ease}
.cr.is-on{opacity:1;pointer-events:auto}
.cr__x{position:absolute;top:18px;right:max(18px,3vw);z-index:3;width:40px;height:40px;
  border:1px solid rgba(255,255,255,.28);background:none;color:#fff;cursor:pointer;transition:.3s}
.cr__x:hover{background:#fff;color:var(--ink)}
.cr__cx{flex:1;display:flex;align-items:center;justify-content:center;gap:12px;
  padding:64px max(14px,3vw) 12px;min-height:0}
.cr__pl{flex:1;height:100%;display:flex;align-items:center;justify-content:center;max-width:1180px}
.cr__pl img{max-width:100%;max-height:100%;object-fit:contain;border:1px solid rgba(255,255,255,.12);
  transition:opacity .28s ease}
.cr__a{width:46px;height:46px;flex:0 0 auto;border:1px solid rgba(255,255,255,.24);background:none;
  color:#fff;font-size:1.5em;line-height:1;cursor:pointer;transition:.3s}
.cr__a:hover{background:#fff;color:var(--ink)}
.cr__ft{padding:14px max(18px,3vw) 26px;border-top:1px solid rgba(255,255,255,.12);text-align:center}
.cr__nm{font-family:Plex,monospace;font-size:.68em;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.5)}
.cr__cap{font-family:Instrument,serif;font-size:1.5em;color:#fff;margin-top:5px;letter-spacing:-.02em}
.cr__pt{display:flex;gap:7px;justify-content:center;margin:14px 0 16px}
.cr__pt span{width:26px;height:2px;background:rgba(255,255,255,.24);cursor:pointer;transition:.3s}
.cr__pt span.is-on{background:#fff}
.cr__cta{display:inline-flex;align-items:center;gap:12px;padding:13px 22px;border:1px solid #fff;
  color:#fff;font-family:Plex,monospace;font-size:.68em;letter-spacing:.14em;text-transform:uppercase;transition:.3s}
.cr__cta:hover{background:#fff;color:var(--ink)}
@media (max-width:640px){
  .cr__a{display:none}
  .cr__cx{padding:58px 10px 8px}
  .cr__cap{font-size:1.2em}
}

/* grupos: entregas e sistemas */
.gp + .gp{margin-top:64px}
.gp__cab{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;
  padding-bottom:14px;margin-bottom:24px;border-bottom:1px solid var(--rule)}
.gp__h{font-family:Instrument,serif;font-size:clamp(21px,2.4vw,30px);letter-spacing:-.02em}
.gp__s{color:var(--mut2)}
.gp__gd{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:1080px){.gp__gd{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.gp__gd{grid-template-columns:repeat(2,1fr);gap:12px}}

.sv__c--d{background:var(--ink)}
.sv__c--d:hover{background:#0E1114}
.sv__c--d h3,.sv__c--d .sv__cta{color:var(--paper)}
.sv__c--d p{color:rgba(255,255,255,.66)}
.sv__c--d .mn{color:rgba(255,255,255,.42)}
.sv__c--d .sv__cta{border-top-color:rgba(255,255,255,.18)}
.sv__c--d:hover .sv__cta{color:#9FBBD4}