@font-face{font-family:'Archivo';font-style:normal;font-weight:300 600;font-display:swap;src:url(../fonts/archivo-latin.woff2) format('woff2')}
/* ============================================================
   Buildto. — construção civil e remodelação · Grupo Poliune
   Claro minimalista · fotografia a dominar
   ============================================================ */

:root{
  --bg:#fafaf8;
  --paper:#ffffff;
  --ink:#141414;
  --muted:#6f6f6c;
  --line:#e6e4df;
  --steel:#4c4b4b;        /* Poliune cinza steel */
  --accent:#cd500e;       /* Poliune laranja energy */
  --dark:#171716;
  --max:1320px;
  --pad:clamp(20px,4vw,56px);
  --font:"Archivo",-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#fff}

.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* ---------- typography ---------- */
h1,h2,h3{font-weight:300;line-height:1.08;letter-spacing:-.015em}
.display{font-size:clamp(2.6rem,6.5vw,5.2rem)}
.h2{font-size:clamp(2rem,4.2vw,3.3rem)}
.h3{font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:400}
.lead{font-size:clamp(1.15rem,1.9vw,1.5rem);font-weight:300;line-height:1.5;color:var(--ink)}
.muted{color:var(--muted)}
.kicker{
  display:inline-flex;align-items:center;gap:.75rem;
  font-size:.72rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--muted);
}
.kicker::before{content:"";width:34px;height:1px;background:var(--accent)}
.dot{color:var(--accent)}

/* ---------- header ---------- */
.site-head{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .35s ease,box-shadow .35s ease;
}
.site-head .bar{
  max-width:var(--max);margin:0 auto;padding:0 var(--pad);
  display:flex;align-items:center;justify-content:space-between;height:84px;
}
.brand{font-size:1.45rem;font-weight:600;letter-spacing:-.02em;line-height:1}
.brand small{display:block;font-size:.58rem;font-weight:500;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.nav{display:flex;align-items:center;gap:clamp(1.1rem,2.4vw,2.4rem)}
.nav a{
  font-size:.76rem;font-weight:500;letter-spacing:.22em;text-transform:uppercase;
  padding:6px 0;position:relative;white-space:nowrap;
}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--accent);transition:width .3s}
.nav a:hover::after,.nav a.on::after{width:100%}
.nav a.on{color:var(--accent)}
.lang{display:flex;gap:.5rem;font-size:.74rem;letter-spacing:.14em;border-left:1px solid var(--line);padding-left:clamp(1rem,2vw,1.6rem)}
.lang a{opacity:.45}.lang a.on{opacity:1;font-weight:600}
.lang a:hover{opacity:1}

/* header states */
.site-head.solid{background:rgba(250,250,248,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.site-head.over{color:#fff}
.site-head.over .brand small{color:rgba(255,255,255,.65)}
.site-head.over .lang{border-color:rgba(255,255,255,.3)}
.site-head.over.solid{color:var(--ink)}
.site-head.over.solid .brand small{color:var(--muted)}
.site-head.over.solid .lang{border-color:var(--line)}

/* burger */
.burger{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px;position:relative;z-index:130}
.burger span{position:absolute;left:8px;right:8px;height:1.5px;background:currentColor;transition:.3s}
.burger span:nth-child(1){top:14px}.burger span:nth-child(2){top:20px}.burger span:nth-child(3){top:26px}
body.menu-open .burger span:nth-child(1){top:20px;transform:rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){top:20px;transform:rotate(-45deg)}

@media (max-width:900px){
  .burger{display:block}
  .nav{
    position:fixed;inset:0;background:var(--bg);color:var(--ink);
    flex-direction:column;justify-content:center;gap:2rem;
    opacity:0;pointer-events:none;transition:opacity .3s;z-index:120;
  }
  .nav a{font-size:1.05rem}
  .lang{border-left:0;border-top:1px solid var(--line);padding:1.4rem 0 0}
  body.menu-open .nav{opacity:1;pointer-events:auto}
  body.menu-open{overflow:hidden}
  body.menu-open .site-head{color:var(--ink)}
}

/* ---------- hero (home) ---------- */
.hero{position:relative;height:100svh;min-height:620px;overflow:hidden;background:#0d0d0c;color:#fff}
.hero video,.hero .hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.92}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,.35) 0%,rgba(10,10,10,.05) 45%,rgba(10,10,10,.55) 100%)}
.hero .inner{
  position:relative;z-index:2;height:100%;max-width:var(--max);margin:0 auto;
  padding:0 var(--pad) clamp(56px,9vh,110px);
  display:flex;flex-direction:column;justify-content:flex-end;
}
.hero .kicker{color:rgba(255,255,255,.8)}
.hero .kicker::before{background:var(--accent)}
.hero h1{color:#fff;margin:1.1rem 0 1.2rem;max-width:15ch}
.hero p{max-width:52ch;color:rgba(255,255,255,.82);font-weight:300;font-size:clamp(1rem,1.5vw,1.2rem)}
.hero .cta-row{margin-top:2.2rem;display:flex;gap:1rem;flex-wrap:wrap}
.scroll-hint{
  position:absolute;right:var(--pad);bottom:36px;z-index:3;
  font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.7);
  writing-mode:vertical-rl;display:flex;align-items:center;gap:.8rem;
}
.scroll-hint::after{content:"";width:1px;height:48px;background:rgba(255,255,255,.5);animation:drop 2.2s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* page hero (inner pages) */
.page-hero{padding:calc(84px + clamp(48px,9vh,110px)) 0 clamp(36px,6vh,72px)}
.page-hero h1{margin-top:1.1rem;max-width:18ch}
.page-hero .lead{margin-top:1.6rem;max-width:62ch}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.8rem;
  font-size:.76rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  padding:1.05rem 1.9rem;border:1px solid currentColor;border-radius:999px;
  transition:.3s;
}
.btn:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.hero .btn:hover,.dark .btn:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn.fill{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.fill:hover{background:#b34309;border-color:#b34309;color:#fff}
.btn .arr{transition:transform .3s}
.btn:hover .arr{transform:translateX(4px)}
.textlink{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.78rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:4px;transition:.25s;
}
.textlink:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- sections ---------- */
.section{padding:clamp(72px,12vh,150px) 0}
.section.tight{padding:clamp(48px,8vh,96px) 0}
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(2rem,6vw,7rem);align-items:start}
.split .sticky{position:sticky;top:120px}
@media (max-width:900px){.split{grid-template-columns:1fr}.split .sticky{position:static}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));border-top:1px solid var(--line)}
.stat{padding:2.4rem 2rem 2.4rem 0;border-bottom:1px solid var(--line)}
.stat b{display:block;font-size:clamp(2.4rem,4.5vw,3.6rem);font-weight:300;letter-spacing:-.02em}
.stat b sup{font-size:.45em;color:var(--accent);font-weight:400}
.stat span{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}

/* ---------- project grids ---------- */
.grid{display:grid;gap:clamp(1.4rem,3vw,2.75rem)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:1000px){.grid.cols-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid.cols-2,.grid.cols-3{grid-template-columns:1fr}}

.card{position:relative;display:block}
.grid .card.feature{grid-column:1/-1}
.card.feature .ph{aspect-ratio:21/9}
@media (max-width:640px){.card.feature .ph{aspect-ratio:4/3}}
.card .ph{overflow:hidden;background:#e9e7e2;aspect-ratio:4/3}
.card.tall .ph{aspect-ratio:3/4}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s cubic-bezier(.2,.6,.2,1),opacity .6s}
.card:hover .ph img{transform:scale(1.045)}
.card .meta{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding-top:1.05rem}
.card .meta h3{font-size:1.05rem;font-weight:500;letter-spacing:0}
.card .meta span{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.card .idx{
  position:absolute;top:14px;left:14px;z-index:2;
  font-size:.66rem;letter-spacing:.2em;color:#fff;background:rgba(20,20,20,.55);
  padding:.35rem .7rem;border-radius:999px;backdrop-filter:blur(6px);
  opacity:0;transition:.35s;
}
.card:hover .idx{opacity:1}

/* editorial offset grid (home destaque) */
.editorial{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(1.4rem,3vw,2.75rem)}
.editorial .card:nth-child(6n+1){grid-column:1/span 7}
.editorial .card:nth-child(6n+2){grid-column:8/span 5;margin-top:clamp(2rem,8vh,7rem)}
.editorial .card:nth-child(6n+3){grid-column:1/span 5;margin-top:-2rem}
.editorial .card:nth-child(6n+4){grid-column:6/span 7}
.editorial .card:nth-child(6n+5){grid-column:1/span 7}
.editorial .card:nth-child(6n+6){grid-column:8/span 5;margin-top:clamp(2rem,8vh,7rem)}
@media (max-width:820px){.editorial{display:grid;grid-template-columns:1fr}
  .editorial .card{grid-column:1/-1!important;margin-top:0!important}}

/* ---------- services ---------- */
.svc-list{border-top:1px solid var(--line)}
.svc{
  display:grid;grid-template-columns:auto 1fr auto;gap:clamp(1rem,4vw,4rem);align-items:baseline;
  padding:clamp(1.6rem,3.5vh,2.6rem) 0;border-bottom:1px solid var(--line);
}
.svc .no{font-size:.78rem;color:var(--accent);letter-spacing:.15em}
.svc h3{font-size:clamp(1.35rem,2.6vw,2rem);font-weight:400}
.svc p{color:var(--muted);max-width:56ch;margin-top:.55rem;font-size:.98rem}
.svc .tag{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
@media (max-width:700px){.svc{grid-template-columns:auto 1fr}.svc .tag{display:none}}

/* value blocks */
.vals{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:2.5rem}
.val h3{font-size:1.02rem;font-weight:600;letter-spacing:.02em;margin-bottom:.6rem;display:flex;align-items:center;gap:.7rem}
.val h3::before{content:"";width:22px;height:1px;background:var(--accent);flex:none}
.val p{color:var(--muted);font-size:.95rem}

/* ---------- dark band ---------- */
.dark{background:var(--dark);color:#f2f1ee}
.dark .muted{color:#9d9c98}
.dark .kicker{color:#9d9c98}
.dark p{color:#c9c8c4}
.dark .textlink{color:#f2f1ee;border-color:#f2f1ee}
.dark .textlink:hover{color:var(--accent);border-color:var(--accent)}

.dark .lead{color:#f2f1ee}

/* SEED methodology */
.seed{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #2a2a28}
.seed .cell{padding:clamp(2.4rem,4vh,3.4rem) 2rem clamp(2.4rem,4vh,3.2rem);border-left:1px solid #2a2a28}
.seed .cell:first-child{border-left:0}
.seed .cell b{display:block;font-size:clamp(2.6rem,4vw,3.8rem);font-weight:600;color:var(--accent);line-height:1;margin-bottom:2.4rem}
.seed .cell h3{font-size:.8rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;margin-bottom:1rem}
.seed .cell p{color:#9d9c98;font-size:.95rem;line-height:1.75}
.seed-quote{border-top:1px solid #3a3a37;margin-top:clamp(3rem,7vh,5rem);padding-top:clamp(2.2rem,5vh,3.2rem);font-style:italic;font-weight:300;font-size:clamp(1.15rem,1.9vw,1.5rem);line-height:1.6;max-width:64ch}
@media (max-width:1000px){.seed{grid-template-columns:repeat(2,1fr)}.seed .cell:nth-child(odd){border-left:0}.seed .cell:nth-child(n+3){border-top:1px solid #2a2a28}}
@media (max-width:560px){.seed{grid-template-columns:1fr}.seed .cell{border-left:0}.seed .cell+.cell{border-top:1px solid #2a2a28}}

/* brands strip */
.brands{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:#2a2a28;border:1px solid #2a2a28}
.brandcell{background:var(--dark);padding:2.2rem 1.8rem;transition:background .3s}
.brandcell:hover{background:#20201e}
.brandcell b{display:block;font-size:1.12rem;font-weight:500;margin-bottom:.4rem}
.brandcell span{font-size:.82rem;color:#9d9c98}
.brandcell.hl b .dot{color:var(--accent)}
.brandcell.hl{outline:1px solid var(--accent);outline-offset:-1px}

/* ---------- project page ---------- */
.proj-hero{padding-top:84px}
.proj-hero .ph{height:min(78vh,760px);overflow:hidden}
.proj-hero .ph img{width:100%;height:100%;object-fit:cover}
.proj-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2rem;padding:2.6rem 0;border-bottom:1px solid var(--line)}
.proj-meta div b{display:block;font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:.45rem}
.proj-meta div span{font-size:1rem}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1rem,2.5vw,2.2rem)}
.gallery a{overflow:hidden;background:#e9e7e2;cursor:zoom-in}
.gallery a:nth-child(3n+1){grid-column:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.6,.2,1)}
.gallery a:hover img{transform:scale(1.03)}
@media (max-width:640px){.gallery{grid-template-columns:1fr}.gallery a{grid-column:span 1!important}}
.proj-nav{display:flex;justify-content:space-between;gap:1rem;border-top:1px solid var(--line);padding-top:2.4rem}
.proj-nav a{max-width:46%}
.proj-nav .lbl{font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.5rem}
.proj-nav .nm{font-size:clamp(1.1rem,2.4vw,1.6rem);font-weight:400;transition:color .25s}
.proj-nav a:hover .nm{color:var(--accent)}
.proj-nav .next{text-align:right;margin-left:auto}

/* lightbox */
.lb{position:fixed;inset:0;z-index:200;background:rgba(12,12,11,.96);display:none;align-items:center;justify-content:center}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:88vh;object-fit:contain}
.lb button{position:absolute;background:none;border:0;color:#fff;cursor:pointer;font-size:1rem;padding:1rem;opacity:.75;transition:.2s}
.lb button:hover{opacity:1}
.lb .x{top:18px;right:18px;font-size:1.6rem;line-height:1}
.lb .pv{left:8px;top:50%;transform:translateY(-50%);font-size:2rem}
.lb .nx{right:8px;top:50%;transform:translateY(-50%);font-size:2rem}
.lb .ct{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);color:#9d9c98;font-size:.75rem;letter-spacing:.2em}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(2.5rem,6vw,7rem)}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.c-item{padding:1.6rem 0;border-bottom:1px solid var(--line)}
.c-item b{display:block;font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:.5rem}
.c-item a,.c-item span{font-size:clamp(1.1rem,2vw,1.45rem);font-weight:300}
.c-item a:hover{color:var(--accent)}
.map{aspect-ratio:16/10;background:#e9e7e2;border:1px solid var(--line)}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(1) contrast(1.04)}
.map-link{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:1.1rem;padding:2.4rem;transition:border-color .3s}
.map-link strong{font-weight:300;font-size:clamp(1.1rem,2vw,1.45rem);line-height:1.4}
.map-link:hover{border-color:var(--accent)}

/* ---------- big CTA ---------- */
.cta-band{padding:clamp(88px,16vh,190px) 0;text-align:left}
.cta-band h2{max-width:16ch}
.cta-band .btn{margin-top:2.6rem}

/* ---------- footer ---------- */
.site-foot{background:var(--dark);color:#c9c8c4;font-size:.9rem}
.site-foot .top{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:2.5rem;
  padding:clamp(56px,9vh,96px) 0 3rem;
}
@media (max-width:900px){.site-foot .top{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.site-foot .top{grid-template-columns:1fr}}
.site-foot .brand{color:#fff}
.site-foot .brand small{color:#84837f}
.site-foot h4{font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:#84837f;font-weight:600;margin-bottom:1.1rem}
.site-foot ul{list-style:none;display:grid;gap:.55rem}
.site-foot a:hover{color:#fff}
.site-foot .legal{
  border-top:1px solid #2a2a28;padding:1.6rem 0;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.76rem;color:#84837f;
}
.site-foot .group-note{margin-top:1.2rem;max-width:34ch;color:#84837f;line-height:1.6}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.6,.2,1),transform .9s cubic-bezier(.2,.6,.2,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

.brand img{height:24px;width:auto;display:block}
@media (max-width:640px){.brand img{height:20px}}

.brand .lg-light{display:none}
.site-head.over .brand .lg-light{display:block}
.site-head.over .brand .lg-dark{display:none}
.brandcell b img{height:22px;width:auto;display:block;margin-bottom:.2rem}
.site-head.solid .brand .lg-light{display:none}
.site-head.solid .brand .lg-dark{display:block}

/* ---------- legal pages ---------- */
.prose{max-width:72ch}
.prose h2{font-size:1.1rem;font-weight:600;letter-spacing:.02em;margin:2.6rem 0 .9rem}
.prose p,.prose li{color:var(--muted);font-size:.98rem;margin-bottom:.8rem}
.prose ul{padding-left:1.3rem;margin-bottom:1rem}
.prose a{border-bottom:1px solid var(--accent)}
.prose strong{color:var(--ink);font-weight:500}
.prose table{border-collapse:collapse;margin:.4rem 0 1rem}
.prose td{padding:.45rem 1.4rem .45rem 0;vertical-align:top;color:var(--muted)}
.prose td:first-child{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;white-space:nowrap;padding-top:.72rem}