:root{
  --wrapw:1180px;
  --green:#0a9040;
  --green-d:#006f30;
  --green-deep:#05441f;
  --green-l:#e4f3ea;
  --ink:#1d2125;
  --ink-2:#272c31;
  --ink-3:#343a40;
  --paper:#f4f2ed;
  --white:#fff;
  --muted:#6b7177;
  --line:rgba(255,255,255,.12);
  --line-d:rgba(29,33,37,.12);
  --r:14px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --f-title:'Poppins',system-ui,sans-serif;
  --f-body:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--f-body);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--f-title);line-height:1.08;letter-spacing:-.02em}
.wrap{width:min(var(--wrapw),100% - 40px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--green);color:#fff;padding:8px 14px;border-radius:8px;z-index:200}
.skip:focus{left:8px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:var(--f-title);font-weight:600;font-size:.95rem;padding:13px 24px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .3s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .3s;position:relative;overflow:hidden;white-space:nowrap}
.btn-lg{padding:16px 30px;font-size:1rem}
.btn-green{background:var(--green);color:#fff;box-shadow:0 8px 24px -10px rgba(10,144,64,.7)}
.btn-green:hover{background:var(--green-d);transform:translateY(-3px);box-shadow:0 14px 28px -10px rgba(10,144,64,.8)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--green);transform:translateY(-3px)}
.btn-line{border-color:rgba(255,255,255,.35);color:#fff}
.btn-line:hover{border-color:#fff;background:#fff;color:var(--ink);transform:translateY(-3px)}
.btn-line span{display:inline-block;transition:transform .3s var(--ease)}
.btn-line:hover span{transform:translateX(5px)}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none}
.btn:active{transform:scale(.97)}

/* ---------- Header ---------- */
.hdr{position:fixed;inset:0 0 auto 0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-d);transition:box-shadow .3s,transform .4s var(--ease)}
.hdr.scrolled{box-shadow:0 10px 30px -18px rgba(0,0,0,.4)}
.hdr-in{display:flex;align-items:center;gap:28px;height:72px}
.hdr-logo img{height:52px;width:auto}
.hdr-nav{display:flex;gap:26px;margin-left:auto;font-size:.92rem;font-weight:500}
.hdr-nav a{position:relative;padding:6px 0;color:var(--ink-3);transition:color .2s}
.hdr-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--green);transition:width .3s var(--ease)}
.hdr-nav a:hover{color:var(--green-d)}
.hdr-nav a:hover::after{width:100%}
.nav-arq{color:var(--green-d)!important;font-weight:600}
.hdr-cta{padding:10px 20px;font-size:.88rem}
.burger{display:none;width:44px;height:44px;border:0;background:none;position:relative;cursor:pointer}
.burger span{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);transition:transform .3s,top .3s}
.burger span:first-child{top:17px}
.burger span:last-child{top:25px}
.burger[aria-expanded="true"] span:first-child{top:21px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{top:21px;transform:rotate(-45deg)}

/* ---------- Eyebrow ---------- */
.eyebrow{display:flex;align-items:center;gap:12px;font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#7fe0a6;margin-bottom:20px}
.eyebrow .bar{display:inline-block;width:34px;height:3px;background:var(--green);transform:skewX(-30deg)}
.eyebrow.dark{color:var(--green-d)}

/* ---------- Hero ---------- */
.hero{background:var(--ink);color:#fff;padding:128px 0 0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-12%;top:-20%;width:60%;height:140%;background:var(--ink-2);transform:skewX(-14deg);z-index:0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(2.5rem,4.9vw,4.4rem);font-weight:700;margin-bottom:26px}
.h1-line{display:block;overflow:hidden}
.hero h1 em{font-style:normal;color:#34c47a;position:relative}
.hero-sub{font-size:1.1rem;color:rgba(255,255,255,.78);max-width:520px;margin-bottom:34px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px}
.hero-art{position:relative;justify-self:end;width:min(100%,460px)}
.art-back{position:absolute;inset:28px -26px -28px 26px;background:var(--green);clip-path:polygon(14% 0,100% 0,86% 100%,0 100%);transition:transform .6s var(--ease)}
.art-frame{position:relative;aspect-ratio:4/5;clip-path:polygon(14% 0,100% 0,86% 100%,0 100%);background:var(--ink-3);overflow:hidden}
.art-frame img{width:100%;height:112%;object-fit:cover;will-change:transform}
.hero-art:hover .art-back{transform:translate(10px,10px)}
.art-tag{position:absolute;left:-18px;bottom:44px;background:#fff;color:var(--ink);padding:12px 18px;border-radius:10px;font-size:.88rem;box-shadow:0 18px 30px -14px rgba(0,0,0,.5);animation:float 5s ease-in-out infinite}
.art-tag b{color:var(--green-d);font-family:var(--f-title)}
@keyframes float{50%{transform:translateY(-8px)}}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:70px;border-top:1px solid var(--line);position:relative;z-index:1}
.fact{display:flex;align-items:center;gap:16px;padding:26px 24px 30px 0}
.fact+.fact{border-left:1px solid var(--line);padding-left:28px}
.fact strong{font-family:var(--f-title);font-size:clamp(1.7rem,3vw,2.4rem);font-weight:700;color:#fff;line-height:1}
.fact>span{font-size:.85rem;color:rgba(255,255,255,.65);line-height:1.35}

/* ---------- Ticker ---------- */
.ticker{background:var(--green);color:#fff;overflow:hidden;padding:15px 0;font-family:var(--f-title);font-weight:600;text-transform:uppercase;letter-spacing:.1em;font-size:.82rem}
.ticker-track{display:flex;gap:30px;width:max-content;animation:tick 32s linear infinite}
.ticker-track span{white-space:nowrap}
.ticker-track i{width:22px;height:8px;background:#fff;opacity:.5;transform:skewX(-30deg);align-self:center;flex:none}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- Sections ---------- */
.sec{padding:110px 0}
.sec-light{background:#fff}
.sec-paper{background:var(--paper)}
.sec-dark{background:var(--ink);color:#fff}
.sec h2{font-size:clamp(1.9rem,3.8vw,3rem);font-weight:700;margin-bottom:22px}

/* Bancadas */
.bancadas{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.b-imgs{position:relative;height:640px}
.b-img{position:absolute;overflow:hidden;border-radius:var(--r);box-shadow:0 30px 50px -28px rgba(0,0,0,.5)}
.b-img img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.b-img:hover img{transform:scale(1.06)}
.b-img-1{left:0;top:0;width:66%;height:84%}
.b-img-2{right:0;bottom:0;width:58%;height:44%;border:8px solid #fff}
.b-stamp{position:absolute;right:6%;top:6%;width:104px;height:104px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-family:var(--f-title);font-weight:700;font-size:2.2rem;line-height:1;text-align:center;padding-top:20px;box-shadow:0 14px 30px -10px rgba(10,144,64,.7)}
.b-stamp small{display:block;font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;margin-top:-26px}
.b-copy>p{color:var(--muted);font-size:1.05rem;margin-bottom:30px}
.values{margin-bottom:34px}
.values li{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:18px 0;border-top:1px solid var(--line-d)}
.values li:last-child{border-bottom:1px solid var(--line-d)}
.values b{font-family:var(--f-title);font-size:1.05rem;color:var(--green-d)}
.values span{color:var(--muted);font-size:.95rem}

/* Materiais */
.mats{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.mats-head{position:sticky;top:110px}
.mats-head p:not(.eyebrow){color:rgba(255,255,255,.7);max-width:400px}
.mat-list li{border-bottom:1px solid var(--line)}
.mat-list li:first-child{border-top:1px solid var(--line)}
.mat-list a{display:grid;grid-template-columns:56px 1fr auto 36px;align-items:center;gap:14px;padding:24px 8px;position:relative;transition:padding .35s var(--ease),color .3s;z-index:0}
.mat-list a::before{content:"";position:absolute;inset:0;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);z-index:-1}
.mat-list a:hover{padding-left:24px}
.mat-list a:hover::before{transform:scaleX(1)}
.mat-list .n{font-family:var(--f-title);font-size:.85rem;color:#7fe0a6;transition:color .3s}
.mat-list .t{font-family:var(--f-title);font-size:clamp(1.15rem,2.2vw,1.65rem);font-weight:600}
.mat-list .tag{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line);padding:5px 12px;border-radius:999px;color:rgba(255,255,255,.7);transition:border-color .3s,color .3s}
.mat-list .go{font-size:1.4rem;opacity:0;transform:translateX(-10px);transition:.35s var(--ease)}
.mat-list a:hover .n,.mat-list a:hover .tag{color:#fff;border-color:rgba(255,255,255,.5)}
.mat-list a:hover .go{opacity:1;transform:none}

/* Estoque */
.estoque{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
.e-copy>p:not(.eyebrow){color:var(--muted);font-size:1.05rem;margin-bottom:30px;max-width:460px}
.e-slabs{display:grid;grid-template-columns:1.2fr .8fr;grid-template-rows:1fr 1fr;gap:16px;height:600px}
.slab{overflow:hidden;border-radius:var(--r)}
.slab img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.slab:hover img{transform:scale(1.07)}
.s1{grid-row:1/3}
.s3 img{object-position:center 30%}

/* Obras */
.obras{padding:110px 0 90px;overflow:hidden}
.obras-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:44px}
.obras-head h2{max-width:560px;margin-bottom:0}
.obras-ctrl{display:flex;gap:10px}
.obras-ctrl button{width:54px;height:54px;border-radius:50%;border:1px solid var(--line);background:none;color:#fff;font-size:1.3rem;cursor:pointer;transition:.3s var(--ease)}
.obras-ctrl button:hover{background:var(--green);border-color:var(--green);transform:scale(1.08)}
.rail{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 max(20px,calc((100vw - var(--wrapw))/2)) 10px;scrollbar-width:none;cursor:grab;outline:none}
.rail::-webkit-scrollbar{display:none}
.rail.drag{cursor:grabbing;scroll-snap-type:none}
.card{flex:none;width:320px;height:440px;border-radius:var(--r);overflow:hidden;position:relative;scroll-snap-align:start;background:var(--ink-3)}
.card-wide{width:500px}
.card img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease);pointer-events:none;user-select:none}
.card:hover img{transform:scale(1.06)}
.card::after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.7));pointer-events:none}
.card figcaption{position:absolute;left:20px;bottom:18px;z-index:1;font-family:var(--f-title);font-weight:600;font-size:1rem;display:flex;align-items:center;gap:12px}
.card figcaption span{font-size:.75rem;color:#7fe0a6}
.rail-bar{margin-top:30px}
.rail-prog{height:3px;background:var(--line);border-radius:3px;overflow:hidden}
.rail-prog i{display:block;height:100%;width:20%;background:var(--green);transition:width .15s linear,margin .15s linear}

/* Arquitetos */
.arq{background:var(--green-deep);color:#fff;position:relative;overflow:hidden}
.arq::before{content:"";position:absolute;left:-10%;top:0;width:55%;height:100%;background:rgba(255,255,255,.035);transform:skewX(-14deg)}
.arq-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start;position:relative}
.arq .lead{color:rgba(255,255,255,.8);font-size:1.08rem;margin-bottom:34px;max-width:500px}
.arq-list{margin-bottom:34px}
.arq-list li{display:flex;gap:20px;padding:20px 0;border-top:1px solid rgba(255,255,255,.16)}
.arq-list span{font-family:var(--f-title);font-weight:600;color:#7fe0a6;font-size:.85rem;padding-top:3px}
.arq-list b{font-family:var(--f-title);display:block;font-size:1.1rem;margin-bottom:2px}
.arq-list p{color:rgba(255,255,255,.7);font-size:.95rem}
.arq-photo{border-radius:var(--r);overflow:hidden;max-width:360px;aspect-ratio:4/3;box-shadow:0 30px 50px -28px #000}
.arq-photo img{width:100%;height:100%;object-fit:cover;object-position:center 45%;transition:transform .9s var(--ease)}
.arq-photo:hover img{transform:scale(1.06)}
.arq-formwrap{position:sticky;top:100px}

/* Forms */
.form{background:#fff;color:var(--ink);border-radius:20px;padding:34px;box-shadow:0 40px 70px -40px rgba(0,0,0,.6);display:grid;gap:16px}
.form h3{font-size:1.5rem;margin-bottom:2px}
.form-head p{color:var(--muted);font-size:.92rem}
.badge{display:inline-block;background:var(--green-l);color:var(--green-d);font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:6px 12px;border-radius:999px;margin-bottom:14px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{display:grid;gap:6px}
.fld span{font-size:.82rem;font-weight:600;color:var(--ink-3)}
.fld input,.fld select,.fld textarea{width:100%;border:1.5px solid #d9dcdf;border-radius:10px;padding:12px 14px;background:#fafafa;font-size:.95rem;transition:border-color .2s,box-shadow .2s,background .2s}
.fld textarea{resize:vertical;min-height:84px}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--green);background:#fff;box-shadow:0 0 0 4px rgba(10,144,64,.14)}
.fld input.touched:invalid,.fld select.touched:invalid{border-color:#d64545}
.form-note{font-size:.78rem;color:var(--muted);text-align:center}

/* Sobre */
.sobre-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;align-items:center}
.sobre-num{background:var(--ink);color:#fff;border-radius:var(--r);padding:60px 30px;text-align:center;position:relative;overflow:hidden;clip-path:polygon(8% 0,100% 0,92% 100%,0 100%)}
.sobre-num strong{display:block;font-family:var(--f-title);font-size:clamp(5rem,12vw,9rem);font-weight:800;line-height:.9;color:#34c47a}
.sobre-num>span{font-family:var(--f-title);text-transform:uppercase;letter-spacing:.14em;font-size:.85rem}
.sobre-copy>p:not(.eyebrow){color:var(--muted);font-size:1.05rem;margin-bottom:16px;max-width:620px}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}
.faq-head{position:sticky;top:110px;align-self:start}
.faq-list details{border-top:1px solid var(--line-d)}
.faq-list details:last-child{border-bottom:1px solid var(--line-d)}
.faq-list summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;font-family:var(--f-title);font-weight:600;font-size:1.05rem;position:relative;transition:color .2s}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:1.6rem;font-weight:400;color:var(--green);transition:transform .3s var(--ease)}
.faq-list details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-list summary:hover{color:var(--green-d)}
.faq-list details p{color:var(--muted);padding:0 40px 24px 0;animation:fade .4s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(-6px)}}

/* Contato */
.contato-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.contato .c-copy>p:not(.eyebrow){color:rgba(255,255,255,.72);margin-bottom:30px;max-width:460px}
.c-info li{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--line);font-size:.95rem}
.c-info li:last-child{border-bottom:1px solid var(--line)}
.c-info b{font-family:var(--f-title);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:#7fe0a6;padding-top:2px}
.c-info a{transition:color .2s}
.c-info a:hover{color:#7fe0a6}

/* Footer */
.ftr{background:#14171a;color:rgba(255,255,255,.7);padding:60px 0 24px;font-size:.9rem}
.ftr-in{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:36px;border-bottom:1px solid var(--line)}
.ftr-logo{display:inline-block;background:#fff;border-radius:12px;padding:10px 16px;margin-bottom:16px}
.ftr-logo img{height:56px;width:auto}
.ftr-nav{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:flex-start}
.ftr-nav a:hover{color:#7fe0a6}
.ftr-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:.82rem}
.ftr-bot a{color:#7fe0a6}
.ftr-bot a:hover{text-decoration:underline}

/* WhatsApp float */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:90;width:62px;height:62px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 14px 30px -8px rgba(37,211,102,.7);transition:transform .3s var(--ease)}
.wa-float::before{content:"";position:absolute;inset:0;border-radius:50%;background:#25d366;animation:pulse 2.4s ease-out infinite;z-index:-1}
.wa-float:hover{transform:scale(1.1) rotate(-6deg)}
@keyframes pulse{to{transform:scale(1.7);opacity:0}}

/* Reveal */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0s)}
[data-reveal].in{opacity:1;transform:none}

/* Thanks / 404 */
.page-center{min-height:100vh;display:grid;place-items:center;background:var(--ink);color:#fff;text-align:center;padding:40px 20px;position:relative;overflow:hidden}
.page-center::before{content:"";position:absolute;right:-10%;top:-10%;width:50%;height:120%;background:var(--ink-2);transform:skewX(-14deg)}
.page-card{position:relative;max-width:560px}
.page-card .logo{display:inline-block;background:#fff;border-radius:14px;padding:12px 20px;margin-bottom:34px}
.page-card .logo img{height:64px;width:auto}
.page-card h1{font-size:clamp(2rem,5vw,3.2rem);margin-bottom:16px}
.page-card h1 em{font-style:normal;color:#34c47a}
.page-card p{color:rgba(255,255,255,.75);margin-bottom:28px}
.page-card .big{font-family:var(--f-title);font-size:6rem;font-weight:800;color:#34c47a;line-height:1;margin-bottom:10px}

/* ---------- Zoom affordance + Lightbox ---------- */
[data-zoom]{cursor:zoom-in;-webkit-tap-highlight-color:transparent}
.slab,.arq-photo{position:relative}
[data-zoom]:focus-visible{outline:3px solid #34c47a;outline-offset:3px}
[data-zoom]::before{content:"";position:absolute;right:12px;top:12px;width:38px;height:38px;border-radius:50%;background:rgba(20,23,26,.6) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h6v6M9 21H3v-6M21 3l-7 7M3 21l7-7'/%3E%3C/svg%3E") center/18px no-repeat;backdrop-filter:blur(4px);z-index:3;opacity:.85;transition:transform .3s var(--ease),opacity .3s,background-color .3s;pointer-events:none}
[data-zoom]:hover::before{opacity:1;transform:scale(1.12);background-color:var(--green)}
.art-frame[data-zoom]::before{right:18%}

.lb{position:fixed;inset:0;z-index:300;background:rgba(12,14,16,.97);display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease;touch-action:pan-y;overscroll-behavior:contain}
.lb.open{display:flex}
.lb.show{opacity:1}
.lb-fig{margin:0;display:flex;flex-direction:column;align-items:center;gap:14px;max-width:100vw;padding:0 12px}
.lb-img{max-width:min(96vw,1500px);max-height:calc(100vh - 140px);max-height:calc(100dvh - 140px);width:auto;height:auto;object-fit:contain;border-radius:8px;box-shadow:0 30px 80px -20px #000;transform:scale(.96);opacity:0;transition:transform .4s var(--ease),opacity .3s}
.lb.show .lb-img.ready{transform:none;opacity:1}
.lb-cap{color:rgba(255,255,255,.85);font-family:var(--f-title);font-size:.95rem;text-align:center;min-height:1.4em}
.lb-count{position:absolute;left:20px;top:22px;color:rgba(255,255,255,.7);font-family:var(--f-title);font-size:.85rem;letter-spacing:.08em}
.lb-btn{position:absolute;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;cursor:pointer;transition:background .25s,transform .25s var(--ease),border-color .25s;z-index:2}
.lb-btn:hover{background:var(--green);border-color:var(--green);transform:scale(1.08)}
.lb-btn:focus-visible{outline:3px solid #34c47a;outline-offset:2px}
.lb-close{top:14px;right:14px}
.lb-prev{left:16px;top:50%;margin-top:-24px}
.lb-next{right:16px;top:50%;margin-top:-24px}
.lb-lock{overflow:hidden}
.lb-spin{position:absolute;width:36px;height:36px;border:3px solid rgba(255,255,255,.2);border-top-color:#34c47a;border-radius:50%;animation:spin .8s linear infinite;opacity:0;transition:opacity .2s}
.lb.loading .lb-spin{opacity:1}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Responsive ---------- */
@media (min-width:1500px){
  :root{--wrapw:1280px}
}
@media (max-width:1180px){
  .hdr-in{gap:18px}
  .hdr-nav{gap:18px;font-size:.88rem}
}
@media (max-width:1020px){
  .hdr-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 20px 20px;border-bottom:1px solid var(--line-d);margin:0;font-size:1rem}
  .hdr-nav.open{display:flex}
  .hdr-nav a{padding:14px 0;border-bottom:1px solid var(--line-d)}
  .burger{display:block;margin-left:auto}
  .hdr-cta{display:none}
  .bancadas,.mats,.estoque,.arq-grid,.sobre-grid,.faq-grid,.contato-grid{grid-template-columns:1fr;gap:44px}
  .hero{padding-top:104px}
  .hero-grid{gap:30px}
  .hero-art{margin-right:24px;width:min(100%,360px)}
  .mats-head,.faq-head,.arq-formwrap{position:static}
  .b-imgs{height:560px;max-width:560px;margin-inline:auto;width:100%}
  .e-slabs{height:520px}
  .sec{padding:80px 0}
  .obras{padding:80px 0 70px}
  .arq-photo{max-width:100%;aspect-ratio:16/9}
  .sobre-num{max-width:520px}
  .hero-facts .fact{flex-direction:column;align-items:flex-start;gap:6px;justify-content:center}
  .hero-facts .fact strong{font-size:clamp(1.5rem,3.4vw,2.1rem)}
  .fact+.fact{padding-left:22px}
}
@media (max-width:760px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-art{justify-self:center;width:min(100%,400px)}
  .hero h1{font-size:clamp(2.1rem,10.6vw,3.2rem)}
}
@media (max-width:640px){
  .wrap{width:min(var(--wrapw),100% - 32px)}
  .hdr-in{height:64px}
  .hdr-nav{top:64px}
  .hdr-logo img{height:46px}
  .bancadas,.mats,.estoque,.arq-grid,.sobre-grid,.faq-grid,.contato-grid{gap:34px}
  .hero-facts{grid-template-columns:1fr;margin-top:50px}
  .hero-facts .fact{flex-direction:row;align-items:center;gap:16px;padding:18px 0}
  .fact+.fact{border-left:0;border-top:1px solid var(--line);padding-left:0}
  .hero-ctas .btn{width:100%}
  .art-tag{left:0;bottom:28px}
  .b-imgs{height:460px}
  .b-stamp{width:86px;height:86px;font-size:1.8rem;padding-top:16px}
  .b-stamp small{margin-top:-22px;font-size:.62rem}
  .values li{grid-template-columns:1fr;gap:4px}
  .mat-list a{grid-template-columns:36px 1fr 28px;padding:20px 4px}
  .mat-list .tag{display:none}
  .mat-list .go{opacity:1;transform:none}
  .e-slabs{height:420px;gap:10px}
  .obras-head{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:32px}
  .card{width:260px;height:380px}
  .card-wide{width:320px}
  .row{grid-template-columns:1fr}
  .form{padding:26px 20px}
  .c-info li{grid-template-columns:1fr;gap:2px}
  .sobre-num{padding:44px 24px;max-width:none}
  .faq-list summary{font-size:1rem}
  .wa-float{width:56px;height:56px;right:14px;bottom:14px}
  .lb-prev,.lb-next{top:auto;bottom:18px;margin-top:0;width:44px;height:44px}
  .lb-prev{left:calc(50% - 56px)}
  .lb-next{right:calc(50% - 56px)}
  .lb-img{max-height:calc(100vh - 190px);max-height:calc(100dvh - 190px)}
  .lb-cap{padding-bottom:50px}
}
@media (max-width:380px){
  .btn-lg{padding:14px 22px}
  .card{width:236px;height:350px}
  .card-wide{width:290px}
  .form{padding:22px 16px}
}
@media (max-height:500px) and (orientation:landscape){
  .hero{padding-top:90px}
  .lb-img{max-height:calc(100vh - 80px);max-height:calc(100dvh - 80px)}
  .lb-cap{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none}
}