/* Calhas Selector · site de conversão. Celular primeiro. */
:root{
  --alu:#E9ECEA; --branco:#F7F8F6; --grafite:#16201B; --verde:#39774E; --verde-cl:#61B660; --linha:#C5CCC7;
  --cinza:#56625B; --grafite-2:#223029;
  --f-tit:"Archivo",system-ui,sans-serif; --f-mono:"JetBrains Mono",ui-monospace,monospace;
  --pad:clamp(20px,5vw,64px); --max:1200px;
  --safe-b:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--alu);color:var(--grafite);font:400 17px/1.55 var(--f-tit);font-variation-settings:"wdth" 100;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--f-tit);margin:0;letter-spacing:-.02em;line-height:1.02;text-wrap:balance}
h2{font-size:clamp(32px,6.4vw,64px);font-weight:760;font-variation-settings:"wdth" 112;max-width:20ch}
p{margin:0}
.texto{color:var(--cinza);max-width:56ch;margin-top:16px}
.rotulo{font:600 12px/1 var(--f-mono);letter-spacing:.08em;color:var(--verde);margin-bottom:16px}
.pular{position:absolute;left:-9999px}.pular:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 12px}
:focus-visible{outline:3px solid var(--verde-cl);outline-offset:3px}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 24px;border-radius:999px;font:650 16px/1 var(--f-tit);text-decoration:none;border:0;cursor:pointer;transition:transform .2s,background-color .2s}
.btn svg{width:22px;height:22px}
.btn:active{transform:scale(.97)}
.btn-pri{background:var(--grafite);color:var(--branco)}
.btn-pri:hover{background:var(--grafite-2)}
.btn-wa{background:var(--verde);color:#fff}
.btn-wa:hover{background:#2f6842}
.btn-largo{width:100%}

/* Topo fixo */
.topo{position:fixed;inset:0 0 auto 0;z-index:40;display:flex;align-items:center;gap:12px;height:60px;padding:0 var(--pad);background:rgba(233,236,234,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(22,32,27,.08)}
.marca img{height:26px;width:auto}
.leitura{margin-left:auto;display:flex;align-items:baseline;gap:6px;font:600 11px/1 var(--f-mono);letter-spacing:.08em;color:var(--cinza)}
.leitura b{font-size:15px;color:var(--verde)}
.topo-wa{display:none;font:650 14px/1 var(--f-tit);text-decoration:none;padding:11px 16px;border-radius:999px;background:var(--verde);color:#fff}

/* Trilho: a calha que corre a página */
.trilho{position:fixed;left:0;top:60px;bottom:0;width:4px;z-index:30;background:rgba(22,32,27,.06)}
.trilho-fill{position:absolute;inset:0;transform-origin:top;transform:scaleY(0);background:linear-gradient(90deg,#fdfefd,#b9c2bc 60%,#8f9a93)}

/* 1. Hero */
.hero{padding:88px var(--pad) 48px;display:grid;gap:36px;max-width:var(--max);margin:0 auto}
.spec{display:flex;flex-wrap:wrap;gap:6px 18px;font:400 11.5px/1.3 var(--f-mono);letter-spacing:.06em;color:var(--cinza);margin-bottom:22px}
.spec b{color:var(--grafite);font-weight:600}
.spec span:nth-child(2) b{color:var(--verde)}
.hero h1{font-size:clamp(44px,12vw,104px);font-weight:800;font-variation-settings:"wdth" 118;line-height:.94}
.hero h1 .l{display:block}
.hero h1 em{font-style:normal;color:var(--verde)}
.apoio{margin-top:22px;font-size:18px;color:var(--cinza);max-width:44ch}
.acoes{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.acoes .btn{flex:1 1 220px}
.hero-pe{margin-top:22px;font:400 12px/1 var(--f-mono);letter-spacing:.06em;color:var(--cinza)}
.hero-video{position:relative;margin:0;padding-left:34px}
.moldura{border-radius:22px;overflow:hidden;background:#cfd6d1;aspect-ratio:9/14;box-shadow:0 30px 60px -30px rgba(22,32,27,.45)}
.moldura video{width:100%;height:100%;object-fit:cover}
.cota{position:absolute;display:flex;align-items:center;font:600 10.5px/1 var(--f-mono);letter-spacing:.1em;color:var(--verde)}
.cota-v{left:0;top:0;bottom:34px;flex-direction:column;width:20px}
.cota-v i{flex:1;width:1px;background:var(--verde);position:relative}
.cota-v i:first-child::before,.cota-v i:last-child::after{content:"";position:absolute;left:-6px;width:13px;height:1px;background:var(--verde)}
.cota-v i:first-child::before{top:0}.cota-v i:last-child::after{bottom:0}
.cota-v span{writing-mode:vertical-rl;transform:rotate(180deg);padding:10px 0}
.hero-video figcaption{margin-top:12px;font:400 11.5px/1.4 var(--f-mono);color:var(--cinza)}

/* 2. Emenda */
.emenda{padding:72px var(--pad);max-width:var(--max);margin:0 auto}
.compara{margin-top:36px;background:var(--branco);border-radius:22px;padding:20px 16px 22px;border:1px solid rgba(22,32,27,.08)}
.troca{display:grid;grid-template-columns:1fr 1fr;background:var(--alu);border-radius:999px;padding:4px;max-width:420px}
.troca button{font:600 14px/1 var(--f-tit);border:0;background:transparent;color:var(--cinza);min-height:44px;border-radius:999px;cursor:pointer;transition:background-color .25s,color .25s}
.troca button[aria-checked=true]{background:var(--grafite);color:#fff}
.perfil-lado{width:100%;height:auto;margin:22px 0 6px}
.perfil-lado .telhado{fill:#7b4a33}
.perfil-lado .telhas path{fill:none;stroke:#7b4a33;stroke-width:22}
.perfil-lado .calha{stroke:#8f9a93;stroke-width:1.5}
.perfil-lado .juntas rect{fill:#6e7872}
.perfil-lado .juntas circle{fill:#2b332f}
.perfil-lado .gota{fill:#4f8fbf;opacity:0}
.perfil-lado .juntas g{transition:opacity .45s ease}
.perfil-lado .cota-h path{stroke:var(--verde);stroke-width:2;fill:none}
.compara[data-estado=pedacos] .gota{animation:pinga 1.6s ease-in infinite}
.compara[data-estado=pedacos] .juntas g:nth-child(2) .gota{animation-delay:.4s}
.compara[data-estado=pedacos] .juntas g:nth-child(3) .gota{animation-delay:.9s}
.compara[data-estado=inteira] .juntas g{opacity:0}
@keyframes pinga{0%{opacity:0;transform:translateY(-6px)}20%{opacity:1}100%{opacity:0;transform:translateY(46px)}}
.contador{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;font:400 12px/1.3 var(--f-mono);color:var(--cinza)}
.c-rot{letter-spacing:.08em;text-transform:uppercase}
.c-num{font:700 40px/1 var(--f-mono);color:#b5523a;transition:color .3s}
.compara[data-estado=inteira] .c-num{color:var(--verde)}

/* 3. Fábrica */
.fabrica{background:var(--grafite);color:var(--branco);padding:80px var(--pad) 72px}
.fabrica .rotulo{color:var(--verde-cl)}
.fab-cab,.fab-corpo,.pioneiro{max-width:var(--max);margin-left:auto;margin-right:auto}
.fab-corpo{display:grid;gap:12px;margin-top:32px}
.fab-palco{position:sticky;top:64px;z-index:2;background:var(--grafite);padding:8px 0 14px;border-bottom:1px solid rgba(255,255,255,.08)}
.maquina{width:100%;height:auto;max-height:42vh}
.maquina *{vector-effect:non-scaling-stroke}
.maquina .chao{stroke:rgba(255,255,255,.18);stroke-width:1;stroke-dasharray:4 6}
.maquina .bob-ext{fill:#2c3a33;stroke:#9aa69f;stroke-width:1.5}
.maquina .bob-mid{fill:none;stroke:#6f7c75;stroke-width:1}
.maquina .bob-eixo{fill:var(--verde)}
.maquina .bob-esp{fill:none;stroke:#cfd6d1;stroke-width:1.5;stroke-dasharray:3 5}
.maquina .chapa{fill:none;stroke:#e6ebe8;stroke-width:3}
.maquina .perfiladeira rect{fill:#24322b;stroke:#9aa69f;stroke-width:1.5}
.maquina .rolos circle{fill:none;stroke:var(--verde-cl);stroke-width:1.5;stroke-dasharray:4 4}
.maquina .pes{stroke:#9aa69f;stroke-width:1.5}
.maquina .saida{fill:none;stroke:#f4f6f5;stroke-width:9;stroke-linecap:round;stroke-dasharray:140;stroke-dashoffset:140;transition:stroke-dashoffset .9s ease}
.maquina .corte{opacity:.25;transition:opacity .5s}
.maquina .corte-perfil{fill:none;stroke:#f4f6f5;stroke-width:3;stroke-linejoin:round;stroke-linecap:round}
.maquina .corte-cota{stroke:var(--verde-cl);stroke-width:1}
.maquina text{fill:#9aa69f;font:600 15px var(--f-mono);letter-spacing:.08em}
.maquina .beiral{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.maquina .beiral-telhado{fill:#7b4a33}
.maquina .beiral-calha{fill:#eef1ef}
.maquina .bobina,.maquina .rolos circle{transform-box:fill-box;transform-origin:center}
.maquina[data-passo="0"] .bobina .bob-esp{stroke:var(--verde-cl)}
.maquina[data-passo="1"] .rolos circle,.maquina[data-passo="2"] .rolos circle{animation:gira 1.4s linear infinite}
.maquina[data-passo="1"] .saida{stroke-dashoffset:90}
.maquina[data-passo="2"] .saida{stroke-dashoffset:0}
.maquina[data-passo="2"] .corte{opacity:1}
.maquina[data-passo="3"] .saida{stroke-dashoffset:0;opacity:.15}
.maquina[data-passo="3"] .beiral{opacity:1;transform:none}
.maquina[data-passo="3"] .perfiladeira,.maquina[data-passo="3"] .bobina,.maquina[data-passo="3"] .chapa{opacity:.2}
.maquina .perfiladeira,.maquina .bobina,.maquina .chapa{transition:opacity .5s}
@keyframes gira{to{transform:rotate(360deg)}}
.fab-leitura{font:400 11px/1 var(--f-mono);letter-spacing:.08em;color:#9aa69f;margin-top:6px}
.fab-leitura b{color:var(--verde-cl);font-weight:600;margin-left:4px}
.passos{list-style:none;margin:0;padding:0}
.passo{padding:30vh 0 30vh;opacity:.32;transition:opacity .4s}
.passo:first-child{padding-top:24px}
.passo:last-child{padding-bottom:40px}
.passo.on{opacity:1}
.passo h3{font-size:clamp(26px,5.6vw,44px);font-weight:740;font-variation-settings:"wdth" 110}
.passo p{margin-top:10px;color:#b9c3bd;max-width:36ch}
.pioneiro{display:flex;gap:16px;align-items:center;margin-top:24px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12);font-size:19px;line-height:1.4;max-width:var(--max)}
.pio-marca{flex:none;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;border:1.5px solid var(--verde-cl);color:var(--verde-cl);font:700 15px/1 var(--f-mono)}

/* 4. Antes e depois */
.antes{padding:80px var(--pad);max-width:var(--max);margin:0 auto}
.ad{position:relative;margin-top:28px;border-radius:20px;overflow:hidden;aspect-ratio:4/3;background:#cfd6d1;touch-action:pan-y}
.ad>img,.ad-antes img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ad-antes{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.ad-tag{position:absolute;top:14px;font:600 11px/1 var(--f-mono);letter-spacing:.1em;padding:7px 10px;border-radius:6px;background:rgba(22,32,27,.78);color:#fff}
.ad-tag-a{left:14px}.ad-tag-d{right:14px;background:var(--verde)}
.ad-alca{position:absolute;top:0;bottom:0;left:var(--pos);width:2px;margin-left:-1px;background:#fff;pointer-events:none}
.ad-alca span{position:absolute;top:50%;left:50%;width:46px;height:46px;margin:-23px 0 0 -23px;border-radius:50%;background:#fff;display:grid;place-items:center;font-size:18px;color:var(--grafite);box-shadow:0 6px 18px rgba(0,0,0,.25)}
.ad-range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ad-durante{display:flex;gap:14px;align-items:center;margin:16px 0 28px}
.ad-durante img{width:120px;border-radius:12px;flex:none}
.ad-durante p{color:var(--cinza);font-size:15px}
.ad-durante b{color:var(--grafite)}

/* 5. Obras */
.obras{padding:72px 0 80px;background:var(--branco)}
.obras-cab{padding:0 var(--pad);max-width:var(--max);margin:0 auto}
.galeria{display:grid;grid-auto-flow:column;grid-auto-columns:78%;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:28px var(--pad) 8px;scrollbar-width:none}
.galeria::-webkit-scrollbar{display:none}
.g{all:unset;box-sizing:border-box;position:relative;border-radius:16px;overflow:hidden;scroll-snap-align:center;aspect-ratio:3/4;background:#cfd6d1;cursor:zoom-in;margin:0}
.g img,.g video{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.g:hover img{transform:scale(1.04)}
.g:focus-visible{outline:3px solid var(--verde-cl);outline-offset:3px}
.g-video{cursor:default}
.g-video figcaption{position:absolute;left:12px;bottom:12px;font:600 11px/1.2 var(--f-mono);color:#fff;background:rgba(22,32,27,.7);padding:7px 9px;border-radius:6px}

/* 6. Ficha */
.ficha{display:grid;background:var(--grafite);color:var(--branco)}
.ficha-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.ficha-txt{padding:56px var(--pad) 64px}
.spec-lista{margin:28px 0 0}
.spec-lista div{display:grid;grid-template-columns:96px 1fr;gap:14px;padding:16px 0;border-top:1px solid rgba(255,255,255,.12)}
.spec-lista dt{font:600 11px/1.6 var(--f-mono);letter-spacing:.1em;color:var(--verde-cl)}
.spec-lista dd{margin:0;color:#b9c3bd}
.spec-lista b{color:#fff;font-weight:650}
.spec-lista q{display:block;margin-top:6px;font-style:italic}

/* 7. Pedido */
.pedido{padding:88px var(--pad);max-width:860px;margin:0 auto}
.montador{margin-top:32px;background:var(--branco);border-radius:24px;padding:22px 18px 24px;border:1px solid rgba(22,32,27,.08);box-shadow:0 30px 60px -40px rgba(22,32,27,.4)}
fieldset{border:0;margin:0 0 22px;padding:0;min-width:0}
legend{display:flex;align-items:center;gap:10px;font:650 17px/1.3 var(--f-tit);margin-bottom:12px;padding:0}
.q-n{flex:none;width:26px;height:26px;border-radius:7px;display:grid;place-items:center;background:var(--alu);font:600 12px/1 var(--f-mono);color:var(--verde)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{position:relative}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips span{display:inline-flex;align-items:center;min-height:46px;padding:0 16px;border-radius:12px;border:1.5px solid var(--linha);background:#fff;font:550 15px/1.2 var(--f-tit);cursor:pointer;transition:border-color .2s,background-color .2s,color .2s}
.chips input:checked+span{border-color:var(--verde);background:var(--verde);color:#fff}
.chips input:focus-visible+span{outline:3px solid var(--verde-cl);outline-offset:2px}
.campo{width:100%;min-height:52px;border-radius:12px;border:1.5px solid var(--linha);padding:0 16px;font:500 16px var(--f-tit);background:#fff;color:var(--grafite)}
.campo:focus{border-color:var(--verde);outline:none}
.previa{margin:6px 0 18px;background:#e3ece5;border-radius:16px;padding:14px 14px 16px}
.previa-rot{font:600 11px/1 var(--f-mono);letter-spacing:.08em;color:var(--cinza);margin-bottom:10px}
.balao{background:#dcf5d3;border-radius:14px 14px 4px 14px;padding:12px 14px;font-size:15px;line-height:1.45;margin-left:10%;box-shadow:0 1px 1px rgba(0,0,0,.08)}
.balao mark{background:none;color:var(--verde);font-weight:650}
.nota{margin-top:12px;font-size:13.5px;color:var(--cinza);text-align:center}

/* 8. Depoimento */
.depo{padding:72px var(--pad);max-width:var(--max);margin:0 auto}
.depo blockquote{margin:0;border-left:4px solid var(--verde);padding-left:22px}
.depo p{font-size:clamp(24px,4.6vw,40px);line-height:1.2;font-weight:600;font-variation-settings:"wdth" 104;letter-spacing:-.015em;max-width:28ch}
.depo footer{margin-top:16px;font:400 12px/1 var(--f-mono);letter-spacing:.06em;color:var(--cinza)}

/* 9. FAQ */
.faq{padding:24px var(--pad) 80px;max-width:860px;margin:0 auto}
.faq h2{margin-bottom:24px}
.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;display:flex;justify-content:space-between;gap:16px;padding:20px 0;font:650 18px/1.3 var(--f-tit)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 24px/1 var(--f-mono);color:var(--verde);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 22px;color:var(--cinza);max-width:60ch}

/* 10. Fim */
.fim{background:var(--verde);color:#fff;padding:88px var(--pad);text-align:left}
.fim h2{max-width:14ch;font-size:clamp(40px,9vw,88px)}
.fim .texto{color:rgba(255,255,255,.82)}
.fim .btn-wa{margin-top:28px;background:#fff;color:var(--grafite)}
.fim .btn-wa:hover{background:var(--alu)}
.fim .btn-wa svg{color:var(--verde)}

.rodape{background:var(--grafite);color:#b9c3bd;padding:48px var(--pad) calc(110px + var(--safe-b));font-size:14px}
.rodape img{height:30px;width:auto;opacity:.95}
.rodape .slogan{font:italic 600 18px/1 var(--f-tit);color:#fff;margin:14px 0 18px}
.rodape a{color:#fff}

/* Barra fixa no celular */
.barra-wa{position:fixed;left:12px;right:12px;bottom:calc(12px + var(--safe-b));z-index:45;display:flex;align-items:center;justify-content:center;gap:10px;min-height:56px;border-radius:999px;background:var(--verde);color:#fff;text-decoration:none;font:650 16px/1 var(--f-tit);box-shadow:0 12px 30px -8px rgba(22,32,27,.5);transition:transform .35s,opacity .35s}
.barra-wa svg{width:22px;height:22px}
.barra-wa.some{transform:translateY(140%);opacity:0;pointer-events:none}

/* Lightbox */
.lightbox{border:0;padding:0;background:transparent;max-width:min(96vw,1280px);max-height:92vh}
.lightbox::backdrop{background:rgba(10,14,12,.88)}
.lightbox img{max-height:88vh;width:auto;border-radius:12px}
.lb-fechar{position:fixed;top:14px;right:14px;width:46px;height:46px;border-radius:50%;border:0;background:#fff;font-size:18px;cursor:pointer}

/* Entrada (só com JS) */
html.js .rev{opacity:0;transform:translateY(24px)}

/* Tablet e desktop */
@media (min-width:768px){
  body{font-size:18px}
  .topo{height:68px}
  .marca img{height:30px}
  .topo-wa{display:inline-block}
  .leitura{margin-right:8px}
  .trilho{top:68px;width:6px}
  .hero{padding-top:120px}
  .hero h1{font-size:clamp(64px,10.5vw,96px)}
  .hero-video{max-width:440px;width:100%;justify-self:center}
  .acoes .btn{flex:0 0 auto}
  .compara{padding:28px 32px 30px}
  .galeria{grid-auto-columns:40%}
  .ficha{grid-template-columns:1fr 1fr}
  .ficha-img img{aspect-ratio:auto}
  .ficha-txt{padding:80px var(--pad)}
  .montador{padding:32px 34px}
  .barra-wa{display:none}
  .rodape{padding-bottom:56px}
}
@media (min-width:1024px){
  .hero{grid-template-columns:1.4fr .6fr;align-items:center;gap:56px}
  .hero h1{font-size:clamp(56px,5.6vw,84px)}
  .hero-video{max-width:380px;justify-self:end}
  .fab-corpo{grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
  .fab-palco{top:96px;border:0}
  .maquina{max-height:none}
  .passo{padding:22vh 0}
  .galeria{grid-auto-flow:row;grid-template-columns:repeat(4,1fr);grid-auto-rows:240px;overflow:visible;padding:36px var(--pad) 0;max-width:calc(var(--max) + 2*var(--pad));margin:0 auto}
  .g{aspect-ratio:auto}
  .g-alta,.g-video{grid-row:span 2}
  .g-larga{grid-column:span 2}
  .antes{display:grid;grid-template-columns:1fr 1.4fr;column-gap:56px;align-items:start}
  .antes h2,.antes>.texto,.ad-durante,.antes>.btn{grid-column:1}
  .ad{grid-column:2;grid-row:1 / span 4;margin-top:0}
  .ad-durante{margin-top:28px}
  .antes>.btn{justify-self:start}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  html.js .rev{opacity:1;transform:none}
}