/* SMS Serviços Integrados da Construção Civil — landing page */
:root{
  --carvao:#101719; --ouro:#C79536; --ouro-claro:#E2B65B; --branco:#FFFFFF; --cinza:#F3F4F2; --cinza-esc:#273036;
  --texto:#1b2226; --texto-suave:#5a646a; --linha:rgba(199,149,54,.45); --verde:#25D366; --verde-esc:#128C7E;
  --fonte:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --raio:4px; --sombra:0 18px 40px rgba(16,23,25,.18); --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} *,*::before,*::after{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--fonte);font-weight:500;color:var(--texto);background:var(--branco);line-height:1.6;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4.6vw,3.4rem);text-transform:uppercase;color:#fff;text-shadow:0 2px 24px rgba(0,0,0,.45)}
h2{font-size:clamp(1.55rem,3.2vw,2.4rem);text-transform:uppercase}
h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:min(var(--wrap),100% - 32px);margin-inline:auto}
.wrap--estreita{width:min(820px,100% - 32px)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ouro);color:var(--carvao);padding:8px 14px;z-index:999;border-radius:var(--raio);font-weight:700}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--ouro);outline-offset:3px}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.8em 1.4em;border-radius:var(--raio);font-weight:700;text-decoration:none;text-transform:uppercase;letter-spacing:.04em;font-size:.86rem;transition:transform .18s ease,background .18s ease,box-shadow .18s ease;border:2px solid transparent;cursor:pointer;text-align:center}
.btn--lg{padding:1em 1.6em;font-size:.92rem}
.btn--ouro{background:var(--ouro);color:var(--carvao);border-color:var(--ouro)}
.btn--ouro:hover{background:var(--ouro-claro);border-color:var(--ouro-claro);transform:translateY(-2px);box-shadow:0 10px 24px rgba(199,149,54,.35)}
.btn--linha{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}
.btn--linha:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn--verde{background:var(--verde);color:#fff;border-color:var(--verde)}
.btn--verde:hover{background:var(--verde-esc);border-color:var(--verde-esc)}

/* topo */
.topo{position:sticky;top:0;z-index:50;background:rgba(16,23,25,.92);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--linha);color:#fff}
.topo__in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.marca{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
.marca img{width:88px;height:auto}
.marca__txt{font-size:.78rem;line-height:1.15;letter-spacing:.04em;text-transform:uppercase}
.marca__txt strong{font-size:1rem;color:var(--ouro)}
.marca__txt small{font-size:.66rem;color:#cfd6d8;letter-spacing:.12em}
.menu{display:flex;align-items:center;gap:22px}
.menu a:not(.btn){color:#e9ecec;text-decoration:none;font-weight:600;font-size:.9rem;padding:6px 0;border-bottom:2px solid transparent}
.menu a:not(.btn):hover{border-color:var(--ouro);color:#fff}
.menu .btn{padding:.6em 1.1em;font-size:.78rem}
.menu-btn{display:none;background:none;border:1px solid var(--linha);border-radius:var(--raio);width:46px;height:42px;padding:8px;flex-direction:column;justify-content:space-between;cursor:pointer}
.menu-btn span{display:block;height:2px;background:#fff;border-radius:2px;transition:transform .2s,opacity .2s}
@media (max-width:900px){
  .menu-btn{display:flex}
  .menu{position:absolute;left:0;right:0;top:100%;background:var(--carvao);flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 18px;border-bottom:1px solid var(--linha);display:none}
  .menu.is-aberto{display:flex}
  .menu a:not(.btn){padding:13px 4px;border-bottom:1px solid rgba(255,255,255,.08);font-size:1rem}
  .menu .btn{margin-top:14px;padding:.9em 1.2em;font-size:.88rem}
  .menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .marca__txt{display:none}
}

/* hero */
.hero{position:relative;min-height:min(88vh,760px);display:flex;align-items:flex-end;background:var(--carvao);color:#fff;isolation:isolate;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:-1}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 60%}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(16,23,25,.35) 0%,rgba(16,23,25,.55) 45%,rgba(16,23,25,.92) 100%)}
.hero__in{padding:96px 0 64px;max-width:820px}
.selo{display:inline-block;border:1px solid var(--ouro);color:var(--ouro-claro);padding:.45em .9em;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;margin-bottom:22px;background:rgba(16,23,25,.5)}
.hero__sub{font-size:clamp(1rem,1.6vw,1.22rem);color:#e8ecec;max-width:640px;font-weight:500}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 14px}
.hero__nota{color:#cfd6d8;font-size:.9rem;margin:0}
@media (max-width:600px){.hero{min-height:auto}.hero__in{padding:72px 0 48px}.hero__cta .btn{width:100%}}

/* faixa card whatsapp */
.faixa{background:var(--cinza);padding:0 0 8px;position:relative}
.card-wa{display:flex;align-items:center;justify-content:space-between;gap:28px;background:var(--carvao);color:#fff;text-decoration:none;padding:34px 36px;border-radius:var(--raio);border:1px solid var(--linha);box-shadow:var(--sombra);transform:translateY(-44px);margin-bottom:-24px;transition:transform .18s ease}
.card-wa:hover{transform:translateY(-48px)}
.card-wa h2{font-size:1.45rem;margin-bottom:.4em}
.card-wa p{color:#d9dfe0;max-width:640px}
.card-wa__fone{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:#fff;margin:0;flex-wrap:wrap}
.card-wa__fone svg{color:var(--verde)}
.card-wa__fone small{display:block;width:100%;font-weight:500;font-size:.8rem;color:#b7c0c3;letter-spacing:.05em;text-transform:uppercase}
.card-wa .btn{flex:0 0 auto}
@media (max-width:760px){.card-wa{flex-direction:column;align-items:stretch;padding:26px 22px;transform:translateY(-28px);margin-bottom:-12px}.card-wa .btn{width:100%}}

/* seções */
.sec{padding:84px 0}
.sec--clara{background:var(--cinza)}
.sec--escura{background:var(--carvao);color:#fff;position:relative}
.sobretit{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--ouro);margin-bottom:10px}
.sobretit::before{content:"";display:inline-block;width:28px;height:1px;background:var(--ouro);vertical-align:middle;margin-right:10px}
.sobretit--ouro{color:var(--ouro-claro)}
.lead{font-size:1.08rem;color:var(--texto-suave);max-width:760px;margin-bottom:2.2em}
.lead--clara{color:#d3dadc}
.nota{font-size:.85rem;color:var(--texto-suave);margin-top:1.6em;border-top:1px solid var(--linha);padding-top:14px;max-width:760px}
@media (max-width:600px){.sec{padding:60px 0}}

/* serviços */
.servicos{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:18px}
.serv{position:relative;background:#fff;border:1px solid #e3e6e4;border-top:3px solid var(--ouro);padding:28px 24px 22px;border-radius:var(--raio);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.serv:hover{transform:translateY(-4px);box-shadow:var(--sombra)}
.serv__n{position:absolute;right:18px;top:14px;font-size:.78rem;font-weight:800;color:var(--ouro);letter-spacing:.1em}
.ico{width:44px;height:44px;fill:none;stroke:var(--ouro);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;margin-bottom:16px}
.serv h3{font-size:1.05rem;margin-bottom:.45em}
.serv p{color:var(--texto-suave);font-size:.95rem;flex:1}
.serv__cta{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--carvao);text-decoration:none;border-bottom:2px solid var(--ouro);align-self:flex-start;padding-bottom:2px}
.serv__cta:hover{color:var(--ouro)}

/* diferenciais */
.sec--escura .wrap{display:grid;grid-template-columns:1fr;gap:22px}
.difs{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.difs li{border-left:2px solid var(--ouro);padding:4px 0 4px 18px}
.difs h3{color:#fff;font-size:1.02rem}
.difs p{color:#cfd6d8;font-size:.95rem;margin:0}
.sobre__foto{margin:0;max-width:360px;border:1px solid var(--linha);padding:6px;border-radius:var(--raio)}
.sobre__foto figcaption{font-size:.8rem;color:#b7c0c3;padding:8px 4px 2px}
@media (min-width:1000px){.sec--escura .wrap{grid-template-columns:1fr 340px;column-gap:56px}.sec--escura .sobre__foto{grid-column:2;grid-row:1/5;align-self:center}.sec--escura .sobretit,.sec--escura h2,.sec--escura .lead,.sec--escura .difs{grid-column:1}}

/* galeria */
.filtros{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.filtro{background:#fff;border:1px solid #d9ddda;color:var(--texto);padding:.5em .95em;border-radius:999px;font:inherit;font-size:.82rem;font-weight:600;cursor:pointer}
.filtro.is-ativo,.filtro:hover{background:var(--carvao);color:#fff;border-color:var(--carvao)}
.galeria{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
.obra{background:#fff;border:1px solid #e3e6e4;border-radius:var(--raio);overflow:hidden;display:flex;flex-direction:column}
.obra.is-oculta{display:none}
.obra img{aspect-ratio:4/3;object-fit:cover;width:100%}
.obra__txt{padding:16px 18px 18px}
.obra__cat{display:inline-block;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--ouro);margin-bottom:8px}
.obra h3{font-size:1rem;margin-bottom:.35em}
.obra p{font-size:.9rem;color:var(--texto-suave);margin:0}

/* método */
.etapas{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;counter-reset:etapa}
.etapas li{background:#fff;padding:26px 22px;border-radius:var(--raio);border:1px solid #e3e6e4;position:relative}
.etapas span{display:block;font-size:2rem;font-weight:800;color:var(--ouro);line-height:1;margin-bottom:12px}
.etapas h3{font-size:1rem}
.etapas p{color:var(--texto-suave);font-size:.93rem;margin:0}

/* região */
.regiao{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:860px){.regiao{grid-template-columns:1.2fr 1fr}}
.cidades{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.cidades li{border:1px solid #e3e6e4;padding:12px 14px;font-weight:700;font-size:.92rem;border-left:3px solid var(--ouro);background:#fff}
.mapa{display:block;text-decoration:none;color:var(--texto);background:var(--cinza);border:1px solid #e3e6e4;border-radius:var(--raio);padding:18px;text-align:center;font-weight:700;font-size:.85rem}
.mapa__svg{width:100%;height:auto;max-width:360px;margin:0 auto 10px}
.mapa__terra{fill:#e6e1d3}.mapa__mar{fill:#cfe3e8}
.mapa__pt circle{fill:var(--ouro)}.mapa__pt text{font-size:12px;font-weight:700;fill:var(--carvao)}

/* faq */
.faq details{background:#fff;border:1px solid #e3e6e4;border-radius:var(--raio);margin-bottom:10px}
.faq summary{cursor:pointer;padding:16px 46px 16px 18px;font-weight:700;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:12px;font-size:1.4rem;color:var(--ouro);font-weight:500}
.faq details[open] summary::after{content:"–"}
.faq p{padding:0 18px 18px;margin:0;color:var(--texto-suave)}

/* conversão final */
.final{position:relative;background:var(--carvao);color:#fff;padding:96px 0;isolation:isolate;overflow:hidden;border-top:1px solid var(--linha)}
.final__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:.22;filter:saturate(70%)}
.final::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(16,23,25,.95),rgba(16,23,25,.7))}
.final__in{max-width:780px}
.dados{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:40px;border-top:1px solid var(--linha);padding-top:26px;font-size:.95rem}
.dados span{display:block;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ouro-claro);font-weight:700;margin-bottom:4px}
.dados a{color:#fff;text-decoration:none;font-weight:700}
.dados a:hover{color:var(--ouro-claro)}

/* rodapé */
.rodape{background:#0b1012;color:#cfd6d8;padding:48px 0 22px;font-size:.9rem}
.rodape__in{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px}
.rodape h3{color:#fff;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:.8em}
.rodape a{color:#e9ecec}
.rodape__marca img{width:140px;margin-bottom:12px}
.rodape__copy{text-align:center;margin:36px 0 0;font-size:.78rem;color:#8a959a;border-top:1px solid rgba(255,255,255,.08);padding-top:18px}

/* whatsapp flutuante */
.wa-flutuante{position:fixed;right:16px;bottom:16px;width:58px;height:58px;border-radius:50%;background:var(--verde);color:#fff;display:none;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(0,0,0,.3);z-index:60}
.wa-flutuante:hover{background:var(--verde-esc)}
@media (max-width:900px){.wa-flutuante{display:flex}.rodape{padding-bottom:90px}}

/* revelação suave */
.rev{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.rev.is-visivel{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rev{opacity:1;transform:none}}

/* página de privacidade */
.pagina{padding:60px 0;max-width:780px}
.pagina h1{color:var(--carvao);text-shadow:none;font-size:1.8rem}
.pagina h2{font-size:1.1rem;margin-top:1.6em}