/* Grupo Obra Certa
   Layout: página única em blocos alternados (preto, areia, branco), na ordem da decisão do cliente:
   o que é, o que faz, como funciona, por que confiar, provas, dúvidas, contato.
   Cores e fontes do manual da marca. */

@font-face{font-family:"Barlow";src:url("../fonts/barlow-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow";src:url("../fonts/barlow-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow";src:url("../fonts/barlow-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow Condensed";src:url("../fonts/barlow-condensed-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Barlow Condensed";src:url("../fonts/barlow-condensed-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}

:root{
  --preto:#0E0E10;
  --tom:#16161A;
  --grafite:#2C2C31;
  --linha-escura:#3A3A41;
  --dourado:#C6A052;
  --dourado-claro:#D4B26C;
  --dourado-esc:#9A7834;
  --areia:#EEEDE9;
  --areia-2:#E4E2DA;
  --branco:#FFFFFF;
  --texto:#18181B;
  --texto-suave:#5E5C56;
  --claro:#ECEBE7;
  --claro-suave:#A8A69E;
  --linha:#DCDAD2;
  --erro:#F0907F;

  --f-titulo:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --f-texto:"Barlow","Helvetica Neue",Arial,sans-serif;

  --topo:72px;
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--preto);color:var(--texto);font-family:var(--f-texto);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{font-family:var(--f-titulo);font-weight:600;line-height:1.02;text-wrap:balance}
:focus-visible{outline:2px solid var(--dourado);outline-offset:3px}
section[id]{scroll-margin-top:var(--topo)}

.wrap{width:100%;max-width:1160px;margin-inline:auto;padding-inline:20px}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--dourado);color:var(--preto);padding:10px 16px;font-weight:600;text-decoration:none}
.skip:focus{top:12px}

.kicker{font-family:var(--f-titulo);font-weight:500;font-size:14px;letter-spacing:.2em;text-transform:uppercase;color:var(--dourado-esc)}
.sec-dark .kicker,.hero .kicker{color:var(--dourado)}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 24px;border-radius:3px;font-family:var(--f-titulo);font-weight:600;font-size:17px;letter-spacing:.07em;text-transform:uppercase;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background-color .18s,border-color .18s,color .18s}
.btn .i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.btn-gold{background:var(--dourado);color:var(--preto)}
.btn-gold:hover{background:var(--dourado-claro)}
.btn-line{border-color:var(--linha-escura);color:var(--branco)}
.btn-line:hover{border-color:var(--dourado);color:var(--dourado)}
.btn-sm{padding:10px 16px;font-size:15px}
.btn-block{width:100%}

/* ícones de linha */
.ic{width:34px;height:34px;fill:none;stroke:var(--dourado-esc);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:none}
.sec-dark .ic,.card-dark .ic{stroke:var(--dourado)}

/* topo */
.topbar{position:sticky;top:0;z-index:50;background:rgba(14,14,16,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--grafite);padding-top:env(safe-area-inset-top,0px)}
.topbar-in{height:var(--topo);display:flex;align-items:center;gap:28px}
.brand img{height:36px;width:auto}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:#CFCDC6;text-decoration:none;font-family:var(--f-titulo);font-weight:500;font-size:16px;letter-spacing:.08em;text-transform:uppercase}
.nav a:hover{color:var(--dourado)}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;background:none;border:1px solid var(--linha-escura);border-radius:3px;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-btn span{display:block;width:20px;height:2px;background:var(--branco);transition:transform .2s,opacity .2s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* início: imagem de fundo em tela cheia, texto à esquerda */
.hero{position:relative;overflow:hidden;background:var(--preto);color:var(--claro);min-height:min(820px,calc(100svh - var(--topo)));display:grid;align-items:center;padding-block:clamp(64px,9vw,112px)}
.hero-img{position:absolute;inset:0}
.hero-img img{width:100%;height:100%;object-fit:cover;object-position:62% 50%}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:
  linear-gradient(90deg,rgba(14,14,16,.94) 0%,rgba(14,14,16,.82) 30%,rgba(14,14,16,.35) 58%,rgba(14,14,16,0) 78%),
  linear-gradient(0deg,rgba(14,14,16,.85) 0%,rgba(14,14,16,0) 26%)}
.hero-in{position:relative;z-index:2}
.hero-copy{display:grid;gap:22px;justify-items:start;max-width:640px}
.hero h1{font-size:clamp(46px,6.4vw,86px);text-transform:uppercase;color:var(--branco);letter-spacing:.005em;position:relative;padding-top:52px;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero h1::before{content:"";position:absolute;left:0;top:32px;width:76px;height:7px;background:var(--dourado);transform:skewY(-21.8deg);transform-origin:left bottom}
.lead{font-size:clamp(17px,1.6vw,20px);color:#D6D4CD;max-width:52ch}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.hero .btn-line{background:rgba(14,14,16,.45);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}

/* faixa */
.facts{background:var(--dourado);color:var(--preto)}
.facts-in{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 24px;padding-block:24px}
.facts li{display:grid;gap:0;line-height:1.25}
.facts b{font-family:var(--f-titulo);font-weight:600;font-size:30px;text-transform:uppercase;line-height:1.05}
.facts span{font-size:15.5px;font-weight:500}

/* seções */
.sec{padding-block:clamp(64px,9vw,112px)}
.sec-light{background:var(--areia)}
.sec-white{background:var(--branco)}
.sec-dark{background:var(--preto);color:var(--claro)}
.sec-head{display:grid;gap:12px;max-width:660px;margin-bottom:clamp(36px,5vw,52px)}
.sec-head h2{font-size:clamp(36px,4.8vw,58px);text-transform:uppercase}
.sec-head p:not(.kicker){color:var(--texto-suave);font-size:18px}
.sec-dark .sec-head h2{color:var(--branco)}
.sec-dark .sec-head p:not(.kicker){color:var(--claro-suave)}

/* serviços */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card{background:var(--branco);border:1px solid var(--linha);padding:28px 26px 30px;display:grid;gap:12px;align-content:start;transition:border-color .18s}
.card:hover{border-color:var(--dourado-esc)}
.card h3{font-size:26px;margin-top:8px}
.card p{color:var(--texto-suave);font-size:16px}
.card-dark{background:var(--preto);border-color:var(--preto);color:var(--claro)}
.card-dark h3{color:var(--branco)}
.card-dark p{color:var(--claro-suave)}
.card-dark:hover{border-color:var(--dourado)}
.card-link{justify-self:start;margin-top:4px;color:var(--dourado);font-family:var(--f-titulo);font-weight:600;font-size:16px;letter-spacing:.1em;text-transform:uppercase;text-underline-offset:5px}
.also{margin-top:36px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}
.also p{font-family:var(--f-titulo);font-weight:500;font-size:14px;letter-spacing:.2em;text-transform:uppercase;color:var(--texto-suave)}
.also ul{display:flex;flex-wrap:wrap;gap:8px}
.also li{border:1px solid #CBC9C0;border-radius:99px;padding:7px 15px;font-size:15px;background:rgba(255,255,255,.5)}

/* a empresa */
.about{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(36px,6vw,80px);align-items:start}
.about .sec-head{margin-bottom:24px}
.about-text{display:grid;gap:16px;max-width:60ch;color:var(--texto-suave);font-size:18px}
.values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:40px;padding-top:28px;border-top:1px solid var(--linha)}
.values li{display:grid;gap:6px;align-content:start}
.values b{font-family:var(--f-titulo);font-weight:600;font-size:24px;text-transform:uppercase;line-height:1.05}
.values b::before{content:"";display:block;width:28px;height:4px;background:var(--dourado);margin-bottom:12px}
.values span{color:var(--texto-suave);font-size:15.5px}
.team{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.person{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;min-width:0}
.person .ph{aspect-ratio:4/5}
.person img.foto{width:100%;aspect-ratio:4/5;object-fit:cover}
.person figcaption{display:grid;gap:2px}
.person b{font-family:var(--f-titulo);font-weight:600;font-size:22px;text-transform:uppercase;line-height:1.1}
.person span{font-family:var(--f-titulo);font-weight:500;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--dourado-esc)}
.person small{font-size:15px;color:var(--texto-suave);margin-top:6px;line-height:1.5}

/* diferenciais */
.diffs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.diff{display:grid;gap:12px;align-content:start;padding:4px 28px 8px;border-left:1px solid var(--grafite)}
.diff:first-child{padding-left:0;border-left:0}
.diff h3{font-size:25px;color:var(--branco);margin-top:8px}
.diff p{color:var(--claro-suave);font-size:16px}
.who{margin-top:clamp(44px,6vw,64px);padding-top:28px;border-top:1px solid var(--grafite);display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 28px}
.who p{font-family:var(--f-titulo);font-weight:500;font-size:14px;letter-spacing:.2em;text-transform:uppercase;color:var(--dourado)}
.who ul{display:flex;flex-wrap:wrap;gap:6px 0}
.who li{font-family:var(--f-titulo);font-weight:600;font-size:clamp(22px,2.4vw,28px);text-transform:uppercase;color:var(--branco)}
.who li + li::before{content:"";display:inline-block;width:6px;height:6px;background:var(--dourado);transform:rotate(45deg);margin:0 18px;vertical-align:middle;position:relative;top:-3px}

/* obras */
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:230px;grid-auto-flow:dense;gap:12px}
.g{position:relative;overflow:hidden;min-width:0;background:var(--areia-2)}
.g-tall{grid-row:span 2}
.g-wide{grid-column:span 2}
.g-btn{display:block;width:100%;height:100%;padding:0;border:0;background:none;cursor:zoom-in}
.g-btn img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.g:hover .g-btn img{transform:scale(1.04)}
.g-btn:focus-visible{outline:3px solid var(--dourado);outline-offset:-3px}
.g-cap{position:absolute;left:0;right:0;bottom:0;padding:34px 16px 12px;background:linear-gradient(0deg,rgba(14,14,16,.86) 0%,rgba(14,14,16,0) 100%);color:var(--branco);font-family:var(--f-titulo);font-weight:600;font-size:15.5px;letter-spacing:.06em;text-transform:uppercase;line-height:1.2;pointer-events:none}
.ph{background:var(--areia-2);border:1px dashed #BDBAB0;display:grid;place-items:center;align-content:center;gap:10px;min-height:0}
.ph img{width:56px;opacity:.22;filter:grayscale(1) brightness(.2)}
.ph span{font-family:var(--f-titulo);font-weight:500;font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:#8F8C83;text-align:center;padding-inline:8px}

/* foto ampliada */
.lb{width:100%;height:100%;max-width:none;max-height:none;margin:0;padding:0;border:0;background:rgba(8,8,10,.95);color:var(--branco)}
.lb::backdrop{background:rgba(8,8,10,.95)}
.lb[open]{display:grid;place-items:center}
.lb-fig{display:grid;gap:14px;justify-items:center;max-width:min(92vw,1100px);padding-inline:16px}
.lb-fig img{max-width:100%;max-height:calc(100svh - 170px);object-fit:contain;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb-fig figcaption{display:flex;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:6px 16px;text-align:center}
.lb-fig figcaption span{font-family:var(--f-titulo);font-weight:600;font-size:20px;letter-spacing:.06em;text-transform:uppercase}
.lb-fig figcaption small{font-family:var(--f-titulo);font-weight:500;font-size:14px;letter-spacing:.16em;color:var(--dourado)}
.lb-btn{position:absolute;width:48px;height:48px;border-radius:50%;border:1px solid var(--linha-escura);background:rgba(14,14,16,.7);color:var(--branco);display:grid;place-items:center;cursor:pointer;padding:0}
.lb-btn:hover{border-color:var(--dourado);color:var(--dourado)}
.lb-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lb-close{top:calc(16px + env(safe-area-inset-top,0px));right:16px}
.lb-prev{left:16px;top:50%;transform:translateY(-50%)}
.lb-next{right:16px;top:50%;transform:translateY(-50%)}

/* perguntas */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,6vw,80px);align-items:start}
.faq-wrap .sec-head{position:sticky;top:calc(var(--topo) + 32px);margin-bottom:0}
.faq details{border-bottom:1px solid var(--linha)}
.faq details:first-child{border-top:1px solid var(--linha)}
.faq summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;font-weight:600;font-size:18.5px;line-height:1.35}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after,.faq summary::before{content:"";position:absolute;right:8px;top:50%;width:16px;height:2px;background:var(--dourado-esc);transition:transform .2s}
.faq summary::before{transform:rotate(90deg)}
.faq details[open] summary::before{transform:rotate(0deg)}
.faq details p{padding:0 44px 24px 0;color:var(--texto-suave)}

/* contato */
.contact-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(36px,6vw,80px);align-items:start}
.contact-info{display:grid;gap:18px}
.contact-info h2{font-size:clamp(36px,4.8vw,58px);text-transform:uppercase;color:var(--branco)}
.info{display:grid;gap:22px;margin-top:16px}
.info li{display:flex;gap:16px;align-items:flex-start}
.info .ic{width:28px;height:28px;margin-top:2px}
.info div{display:grid;gap:1px}
.info span{font-family:var(--f-titulo);font-weight:500;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--claro-suave)}
.info b{font-size:20px;font-weight:500;color:var(--branco);font-variant-numeric:tabular-nums}
.info small{font-size:15px;color:var(--claro-suave)}
.sel{user-select:all}

.form{background:var(--tom);border:1px solid var(--grafite);border-top:4px solid var(--dourado);padding:clamp(22px,4vw,34px);display:grid;gap:18px}
.field{display:grid;gap:7px}
.field label{font-family:var(--f-titulo);font-weight:500;font-size:13.5px;letter-spacing:.16em;text-transform:uppercase;color:#C4C2BA}
.field input,.field select,.field textarea{width:100%;background:var(--preto);border:1px solid var(--linha-escura);border-radius:3px;color:var(--branco);font:inherit;font-size:16px;padding:13px 14px}
.field textarea{resize:vertical;min-height:110px}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--dourado) 50%),linear-gradient(135deg,var(--dourado) 50%,transparent 50%);background-position:calc(100% - 20px) 55%,calc(100% - 14px) 55%;background-size:6px 6px;background-repeat:no-repeat;padding-right:40px}
.field select option{background:var(--preto);color:var(--branco)}
.field input::placeholder,.field textarea::placeholder{color:#6E6C66}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--dourado);box-shadow:0 0 0 3px rgba(198,160,82,.22)}
.field.invalid input,.field.invalid select{border-color:var(--erro)}
.form-err{color:var(--erro);font-size:15px}
.form-ok{color:#CFCDC6;font-size:15px}
.form-ok a{color:var(--dourado)}

/* rodapé */
.footer{background:#08080A;color:var(--claro-suave)}
.footer-in{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:36px 48px;padding-block:56px 44px}
.footer-in > img{width:230px;height:auto}
.footer-cols{display:grid;grid-template-columns:repeat(2,minmax(0,auto));gap:24px 56px}
.footer-cols p{font-size:15px;line-height:1.75}
.footer-cols b{color:var(--branco);font-weight:600}
.footer-bar{border-top:1px solid var(--grafite)}
.footer-bar-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-block:18px calc(18px + env(safe-area-inset-bottom,0px));font-size:13.5px;color:#77756E;padding-right:180px}

/* botão flutuante */
.wa-float{position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:60;display:inline-flex;align-items:center;gap:9px;height:54px;padding:0 22px 0 18px;border-radius:99px;background:var(--dourado);color:var(--preto);text-decoration:none;font-family:var(--f-titulo);font-weight:600;font-size:17px;letter-spacing:.08em;text-transform:uppercase;box-shadow:0 10px 28px rgba(0,0,0,.35)}
.wa-float svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round}
.wa-float:hover{background:var(--dourado-claro)}

/* telas médias */
@media (max-width:1020px){
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:230px}
  .nav{display:none}
  .menu-btn{display:inline-flex}
  .menu-btn{margin-left:auto}
  .nav.open{display:grid;gap:0;position:absolute;left:0;right:0;top:100%;background:var(--preto);border-bottom:1px solid var(--grafite);padding:8px 20px 18px}
  .nav.open a{padding:14px 0;border-bottom:1px solid var(--grafite);font-size:18px}
  .hero::before{background:linear-gradient(90deg,rgba(14,14,16,.92) 0%,rgba(14,14,16,.7) 45%,rgba(14,14,16,.2) 80%),linear-gradient(0deg,rgba(14,14,16,.85) 0%,rgba(14,14,16,0) 30%)}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .about{grid-template-columns:1fr}
  .team{max-width:560px}
  .diffs{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 0}
  .diff:nth-child(3){padding-left:0;border-left:0}
  .faq-wrap{grid-template-columns:1fr}
  .faq-wrap .sec-head{position:static}
  .contact-in{grid-template-columns:1fr}
}

/* celular */
@media (max-width:620px){
  body{font-size:16.5px}
  .brand img{height:32px}
  .hero{display:block;min-height:0;padding-block:0 44px}
  .hero::before{display:none}
  .hero-img{position:relative;display:block;height:min(122vw,560px)}
  .hero-img img{object-position:50% 38%}
  .hero-img::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(14,14,16,1) 0%,rgba(14,14,16,.7) 22%,rgba(14,14,16,0) 48%)}
  .hero-in{margin-top:-96px}
  .hero h1{font-size:clamp(40px,11vw,52px)}
  .actions .btn{width:100%}
  .facts-in{grid-template-columns:repeat(2,minmax(0,1fr))}
  .facts b{font-size:26px}
  .cards{grid-template-columns:1fr}
  .values{grid-template-columns:1fr;gap:22px}
  .team{gap:12px}
  .person b{font-size:19px}
  .diffs{grid-template-columns:1fr;gap:32px}
  .diff{padding:0;border-left:0}
  .who li + li::before{margin:0 12px}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:150px;gap:8px}
  .g-cap{font-size:13.5px;padding:26px 10px 9px}
  .lb-prev,.lb-next{top:auto;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:none}
  .lb-fig img{max-height:calc(100svh - 220px)}
  .footer-cols{grid-template-columns:1fr}
  .footer-bar-in{padding-right:20px;padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
  .who ul{display:grid;gap:4px}
  .who li + li::before{display:none}
  .wa-float{height:52px;padding:0 18px 0 16px;font-size:16px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}