/* ==========================================================================
   MARMORARIA CENTRAL | Landing Page
   Paleta: grafite quase preto + branco, com acentos frios discretos
   ========================================================================== */

:root{
  --azul-900:#080A0D;
  --azul-800:#0D1014;
  --azul-700:#151A20;
  --azul-500:#34414D;
  --azul-100:#EEF1F3;
  --branco:#FFFFFF;
  --off:#F6F8FA;
  --pedra:#5B6672;
  --pedra-clara:#8E99A4;
  --linha:#E2E7EC;
  --sombra:0 18px 45px rgba(8,10,13,.10);
  --sombra-forte:0 24px 60px rgba(8,10,13,.18);
  --raio:14px;
  --max:1200px;
  --t:.45s cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Montserrat',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:#26313D;
  background:var(--branco);
  font-size:16px;
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:'Poppins',system-ui,sans-serif;line-height:1.18;margin:0 0 .6em;color:var(--azul-900);letter-spacing:-.01em}
h1{font-size:clamp(2.15rem,6vw,4rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.8vw,2.7rem);font-weight:600}
h3{font-size:clamp(1.1rem,2vw,1.35rem);font-weight:600}
p{margin:0 0 1.1em}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.secao{padding:clamp(64px,9vw,120px) 0}
.secao--off{background:var(--off)}
.secao--escura{background:var(--azul-900);color:#DDE1E5}
.secao--escura h2,.secao--escura h3{color:#fff}

.olho{
  display:inline-block;font-family:'Poppins',sans-serif;font-size:.78rem;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--azul-500);margin-bottom:14px;
}
.secao--escura .olho{color:#AEB7BF}
.cabecalho-secao{max-width:760px;margin-bottom:clamp(38px,5vw,60px)}
.cabecalho-secao--centro{margin-left:auto;margin-right:auto;text-align:center}
.lead{font-size:1.06rem;color:var(--pedra)}
.secao--escura .lead{color:#BFC5CB}

/* Resposta direta: frase autocontida no topo de cada bloco (GEO/AEO) */
.resposta{
  font-family:'Poppins',sans-serif;font-size:clamp(1.02rem,1.6vw,1.18rem);
  font-weight:500;color:var(--azul-700);border-left:3px solid var(--azul-500);
  padding-left:18px;margin:0 0 22px;max-width:820px;
}
.secao--escura .resposta{color:#E1E4E7;border-left-color:#AEB7BF}

/* ---------- Acessibilidade ---------- */
.pular{
  position:absolute;left:-999px;top:0;background:var(--azul-900);color:#fff;
  padding:12px 20px;z-index:999;border-radius:0 0 8px 0;
}
.pular:focus{left:0}
:focus-visible{outline:3px solid var(--azul-500);outline-offset:3px;border-radius:4px}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:14px 28px;border-radius:100px;border:0;cursor:pointer;
  font-family:'Poppins',sans-serif;font-weight:600;font-size:.98rem;text-decoration:none;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
}
.btn svg{width:20px;height:20px;flex:none}
.btn--zap{background:#1FA855;color:#fff;box-shadow:0 12px 28px rgba(31,168,85,.28)}
.btn--zap:hover{background:#18904a;transform:translateY(-2px)}
.btn--azul{background:var(--azul-700);color:#fff}
.btn--azul:hover{background:var(--azul-900);transform:translateY(-2px)}
.btn--linha{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn--linha:hover{background:rgba(255,255,255,.12)}
.btn--linha-azul{background:transparent;color:var(--azul-700);border:1.5px solid var(--azul-700)}
.btn--linha-azul:hover{background:var(--azul-100)}
.btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}

/* ---------- Header ---------- */
.topo{
  position:fixed;inset:0 0 auto 0;z-index:120;
  background:rgba(8,10,13,0);
  transition:background .35s ease,box-shadow .35s ease,padding .35s ease;
  padding:16px 0;
}
.topo.rolado{background:rgba(8,10,13,.97);backdrop-filter:blur(10px);box-shadow:0 8px 30px rgba(0,0,0,.28);padding:8px 0}
.topo__int{display:flex;align-items:center;justify-content:space-between;gap:18px}
.marca{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
.marca__logo{width:clamp(112px,12vw,132px);height:auto;transition:width .35s ease}
.topo.rolado .marca__logo{width:clamp(100px,10vw,118px)}
.marca--rodape .marca__logo{width:clamp(138px,16vw,170px);height:auto;margin-bottom:18px}
.menu-mobile__logo{position:absolute;top:24px;left:26px;width:clamp(126px,38vw,154px);height:auto;opacity:.95}
.marca__nome{font-family:'Poppins',sans-serif;font-weight:600;font-size:1rem;line-height:1.1;letter-spacing:.02em}
.marca__nome small{display:block;font-weight:400;font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;opacity:.75}
.menu{display:none;gap:28px;align-items:center}
.menu a{font-size:.9rem;font-weight:500;color:#E6E8EA;text-decoration:none;position:relative;padding:6px 0}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:#AEB7BF;transition:width .3s ease}
.menu a:hover::after{width:100%}
.topo .btn{min-height:46px;padding:11px 22px;font-size:.9rem}
.topo__zap{display:none}
.abre-menu{
  display:inline-grid;place-items:center;width:46px;height:46px;border-radius:10px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);cursor:pointer;
}
.abre-menu span{display:block;width:20px;height:2px;background:#fff;position:relative}
.abre-menu span::before,.abre-menu span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff}
.abre-menu span::before{top:-6px}.abre-menu span::after{top:6px}
.menu-mobile{
  position:fixed;inset:0;z-index:130;background:var(--azul-900);
  display:flex;flex-direction:column;justify-content:center;gap:6px;padding:32px;
  transform:translateX(100%);transition:transform .4s cubic-bezier(.22,.61,.36,1);
}
.menu-mobile.aberto{transform:translateX(0)}
.menu-mobile a{font-family:'Poppins',sans-serif;font-size:1.5rem;color:#fff;text-decoration:none;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.fecha-menu{position:absolute;top:22px;right:22px;width:46px;height:46px;border-radius:10px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:1.6rem;line-height:1;cursor:pointer}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:130px 0 70px;overflow:hidden}
.hero__fundo{position:absolute;inset:0;z-index:0}
.hero__fundo img{width:100%;height:100%;object-fit:cover}
.hero__fundo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(5,7,9,.96) 0%,rgba(8,10,13,.90) 42%,rgba(8,10,13,.48) 100%);
}
.hero__int{position:relative;z-index:2;max-width:760px;color:#fff}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 em{font-style:normal;color:#C2C9CF}
.hero__sub{font-size:clamp(1rem,1.9vw,1.2rem);color:#D9DDE1;max-width:600px;margin-bottom:32px}
.hero__acoes{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.selos{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.selos li{
  font-family:'Poppins',sans-serif;font-size:.78rem;font-weight:500;letter-spacing:.06em;
  text-transform:uppercase;color:#D2D6DA;border:1px solid rgba(255,255,255,.28);
  padding:9px 16px;border-radius:100px;background:rgba(255,255,255,.06);
}

/* ---------- Barra de credibilidade ---------- */
.credibilidade{background:var(--azul-800);color:#fff;padding:44px 0}
.credibilidade__grade{display:grid;gap:30px;grid-template-columns:repeat(2,1fr);text-align:center}
.cred__num{font-family:'Poppins',sans-serif;font-size:clamp(1.9rem,4vw,2.7rem);font-weight:700;color:#fff;line-height:1;margin-bottom:8px;display:block}
.cred__txt{font-size:.86rem;color:#ABB2B9;letter-spacing:.04em}

/* ---------- Materiais ---------- */
.materiais{display:grid;gap:26px;grid-template-columns:1fr}
.material{
  background:#fff;border:1px solid var(--linha);border-radius:var(--raio);overflow:hidden;
  display:flex;flex-direction:column;transition:transform var(--t),box-shadow var(--t);
}
.material:hover{transform:translateY(-6px);box-shadow:var(--sombra)}
.material__foto{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--azul-100)}
.material__foto img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.material:hover .material__foto img{transform:scale(1.05)}
.material__tag{
  position:absolute;top:14px;left:14px;background:rgba(8,10,13,.92);color:#fff;
  font-family:'Poppins',sans-serif;font-size:.68rem;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;padding:7px 13px;border-radius:100px;
}
.material__corpo{padding:26px 24px 28px;display:flex;flex-direction:column;flex:1}
.material__corpo h3{margin-bottom:10px}
.material__estetica{color:#39485A;margin-bottom:12px}
.material__tec{
  font-size:.9rem;color:var(--pedra);background:var(--off);border-radius:10px;
  padding:14px 16px;margin:0 0 20px;border-left:2px solid var(--azul-500);
}
.material__cta{margin-top:auto;font-family:'Poppins',sans-serif;font-weight:600;font-size:.92rem;color:var(--azul-700);text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.material__cta:hover{gap:14px}
.material--destaque{border-color:#D2D6DA;box-shadow:0 10px 30px rgba(8,10,13,.07)}
.material--destaque .material__tag{background:var(--azul-500)}

/* ---------- Tabela comparativa ---------- */
.tabela-wrap{overflow-x:auto;border:1px solid var(--linha);border-radius:var(--raio);background:#fff}
table.comparativo{width:100%;border-collapse:collapse;min-width:620px;font-size:.92rem}
table.comparativo caption{text-align:left;padding:18px 20px 6px;font-family:'Poppins',sans-serif;font-weight:600;color:var(--azul-900)}
table.comparativo th,table.comparativo td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--linha)}
table.comparativo thead th{background:var(--azul-900);color:#fff;font-family:'Poppins',sans-serif;font-weight:600;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;border-bottom:0}
table.comparativo tbody th{font-family:'Poppins',sans-serif;font-weight:600;color:var(--azul-900);background:var(--off)}
table.comparativo tbody tr:last-child th,table.comparativo tbody tr:last-child td{border-bottom:0}

/* ---------- Ambientes ---------- */
.ambientes{display:grid;gap:22px;grid-template-columns:1fr}
.ambiente{
  position:relative;border-radius:var(--raio);overflow:hidden;min-height:330px;
  display:flex;align-items:flex-end;color:#fff;
}
.ambiente img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .9s ease}
.ambiente:hover img{transform:scale(1.06)}
.ambiente::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(5,7,9,.94) 8%,rgba(8,10,13,.50) 48%,rgba(8,10,13,.14) 100%)}
.ambiente__txt{position:relative;z-index:2;padding:26px 24px}
.ambiente__txt h3{color:#fff;margin-bottom:8px}
.ambiente__txt p{color:#D3D7DB;font-size:.93rem;margin:0}

/* ---------- Tendências ---------- */
.tendencias{display:grid;gap:18px;grid-template-columns:1fr;list-style:none;padding:0;margin:0}
.tendencias li{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:22px 24px}
.tendencias strong{display:block;font-family:'Poppins',sans-serif;color:#fff;font-weight:600;margin-bottom:6px}
.tendencias span{font-size:.93rem;color:#BFC5CB}

/* ---------- Processo ---------- */
.processo{display:grid;gap:24px;grid-template-columns:1fr;counter-reset:passo}
.passo{background:#fff;border:1px solid var(--linha);border-radius:var(--raio);padding:26px 24px;position:relative}
.passo::before{
  counter-increment:passo;content:"0" counter(passo);
  font-family:'Poppins',sans-serif;font-size:.82rem;font-weight:700;letter-spacing:.1em;
  color:var(--azul-500);display:block;margin-bottom:12px;
}
.passo h3{font-size:1.08rem;margin-bottom:8px}
.passo p{font-size:.93rem;color:var(--pedra);margin:0}
.processo-fotos{display:grid;gap:16px;grid-template-columns:1fr;margin-top:34px}
.processo-fotos img{border-radius:var(--raio);width:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- Portfólio ---------- */
.filtros{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.filtro{
  background:#fff;border:1px solid var(--linha);border-radius:100px;padding:10px 20px;
  font-family:'Poppins',sans-serif;font-size:.88rem;font-weight:500;color:var(--pedra);
  cursor:pointer;min-height:44px;transition:all .25s ease;
}
.filtro:hover{border-color:var(--azul-500);color:var(--azul-700)}
.filtro[aria-pressed="true"]{background:var(--azul-900);border-color:var(--azul-900);color:#fff}
.galeria{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
.galeria__item{
  border:0;padding:0;background:none;cursor:zoom-in;border-radius:12px;overflow:hidden;
  aspect-ratio:1/1;position:relative;
}
.galeria__item img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.galeria__item:hover img{transform:scale(1.07)}
.galeria__item.oculto{display:none}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(4,5,6,.97);
  display:none;align-items:center;justify-content:center;padding:20px;
}
.lightbox[open],.lightbox.ativo{display:flex}
.lightbox img{max-width:min(1100px,94vw);max-height:84vh;object-fit:contain;border-radius:8px}
.lb-btn{
  position:absolute;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  color:#fff;width:52px;height:52px;border-radius:50%;font-size:1.5rem;line-height:1;cursor:pointer;
}
.lb-fechar{top:22px;right:22px}
.lb-ant{left:16px;top:50%;transform:translateY(-50%)}
.lb-prox{right:16px;top:50%;transform:translateY(-50%)}
.lb-legenda{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#CDD1D5;font-size:.88rem;padding:0 70px}

/* ---------- Depoimentos ---------- */
.depoimentos{display:grid;gap:22px;grid-template-columns:1fr}
.depo{background:#fff;border:1px solid var(--linha);border-radius:var(--raio);padding:26px 24px;display:flex;flex-direction:column}
.estrelas{color:#F2B01E;letter-spacing:2px;margin-bottom:14px;font-size:1rem}
.depo p{font-size:.96rem;color:#39485A;flex:1}
.depo__autor{font-family:'Poppins',sans-serif;font-weight:600;color:var(--azul-900);font-size:.94rem;margin:0}
.depo__origem{font-size:.8rem;color:var(--pedra-clara)}

/* ---------- Mapa / alcance ---------- */
.alcance{display:grid;gap:34px;grid-template-columns:1fr;align-items:center}
.mapa{border-radius:var(--raio);overflow:hidden;border:1px solid var(--linha);background:var(--azul-100);min-height:340px}
.mapa iframe{width:100%;height:100%;min-height:340px;border:0;display:block}
.cidades{display:flex;flex-wrap:wrap;gap:9px;list-style:none;padding:0;margin:22px 0 0}
.cidades li{background:#fff;border:1px solid var(--linha);border-radius:100px;padding:8px 16px;font-size:.86rem;color:var(--pedra)}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto}
.faq__item{border-bottom:1px solid var(--linha)}
.faq__botao{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  padding:22px 44px 22px 0;position:relative;
  font-family:'Poppins',sans-serif;font-weight:600;font-size:1.02rem;color:var(--azul-900);
}
.faq__botao::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:1.5rem;font-weight:400;color:var(--azul-500);transition:transform .3s ease}
.faq__botao[aria-expanded="true"]::after{content:"−"}
.faq__resposta{display:none;padding:0 10px 24px 0;color:var(--pedra);font-size:.96rem}
.faq__resposta.aberta{display:block}

/* ---------- Formulário ---------- */
.form-bloco{display:grid;gap:40px;grid-template-columns:1fr}
form.orcamento{background:#fff;border-radius:18px;padding:28px 22px;box-shadow:var(--sombra-forte)}
.campo{margin-bottom:18px}
.campo label{display:block;font-family:'Poppins',sans-serif;font-size:.84rem;font-weight:600;color:var(--azul-900);margin-bottom:7px}
.campo .opc{font-weight:400;color:var(--pedra-clara)}
.campo input,.campo select,.campo textarea{
  width:100%;min-height:52px;padding:14px 16px;border:1.5px solid var(--linha);border-radius:10px;
  font-family:inherit;font-size:.96rem;color:#26313D;background:#fff;transition:border-color .2s ease;
}
.campo textarea{min-height:110px;resize:vertical}
.campo input:focus,.campo select:focus,.campo textarea:focus{border-color:var(--azul-500);outline:none;box-shadow:0 0 0 3px rgba(52,65,77,.16)}
.campo input[aria-invalid="true"],.campo select[aria-invalid="true"]{border-color:#C0392B}
.erro{display:block;font-size:.8rem;color:#C0392B;margin-top:6px;min-height:0}
.dupla{display:grid;gap:0;grid-template-columns:1fr}
form.orcamento .btn{width:100%}
.form-status{margin-top:14px;font-size:.9rem;color:var(--azul-700);text-align:center}
.form-nota{font-size:.78rem;color:var(--pedra-clara);text-align:center;margin:14px 0 0}
.form-lista{list-style:none;padding:0;margin:26px 0 0}
.form-lista li{position:relative;padding-left:30px;margin-bottom:14px;color:#C8CDD2;font-size:.95rem}
.form-lista li::before{content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;border:2px solid #8C969F}

/* ---------- Rodapé ---------- */
.rodape{background:#050607;color:#9BA2A9;padding:64px 0 28px;font-size:.9rem}
.rodape__grade{display:grid;gap:34px;grid-template-columns:1fr;margin-bottom:40px}
.rodape h4{color:#fff;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px;font-weight:600}
.rodape a{color:#9BA2A9;text-decoration:none}
.rodape a:hover{color:#fff}
.rodape .marca{margin-bottom:16px}
.rodape ul{list-style:none;padding:0;margin:0}
.rodape li{margin-bottom:9px}
.rodape__fim{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.8rem;color:#737B83}

/* ---------- WhatsApp flutuante ---------- */
.zap-fixo{
  position:fixed;right:18px;bottom:18px;z-index:110;width:58px;height:58px;border-radius:50%;
  background:#1FA855;display:grid;place-items:center;box-shadow:0 12px 30px rgba(31,168,85,.42);
  transition:transform .3s ease;
}
.zap-fixo:hover{transform:scale(1.07)}
.zap-fixo svg{width:30px;height:30px}

/* ---------- Animação de scroll ---------- */
.anim{opacity:1;transform:none}
.js .anim{opacity:0;transform:translateY(28px);transition:opacity .85s ease,transform .85s cubic-bezier(.22,.61,.36,1)}
.js .anim--esq{transform:translateX(-42px)}
.js .anim--dir{transform:translateX(42px)}
.js .anim--zoom{transform:scale(.93)}
.js .anim--baixo{transform:translateY(46px)}
.js .anim.visivel{opacity:1;transform:none}

/* parallax do hero */
.hero__fundo img{will-change:transform}
/* revelacao escalonada da galeria */
.js .galeria__item{opacity:0;transform:translateY(26px) scale(.97);transition:opacity .7s ease,transform .7s cubic-bezier(.22,.61,.36,1)}
.js .galeria__item.visivel{opacity:1;transform:none}
/* barra de progresso de leitura */
.progresso{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,#34414D,#AEB7BF);z-index:140;transition:width .12s linear}
.anim-2{transition-delay:.1s}.anim-3{transition-delay:.2s}.anim-4{transition-delay:.3s}

/* ---------- Breakpoints ---------- */
@media (min-width:640px){
  .credibilidade__grade{grid-template-columns:repeat(4,1fr)}
  .dupla{grid-template-columns:1fr 1fr;gap:0 16px}
  .galeria{grid-template-columns:repeat(3,1fr)}
  .processo-fotos{grid-template-columns:repeat(2,1fr)}
  form.orcamento{padding:34px 30px}
}
@media (min-width:900px){
  .menu{display:flex}
  .abre-menu{display:none}
  .topo__zap{display:inline-flex}
  .materiais{grid-template-columns:repeat(3,1fr)}
  .material--destaque{grid-column:span 1}
  .ambientes{grid-template-columns:repeat(3,1fr)}
  .tendencias{grid-template-columns:repeat(2,1fr)}
  .processo{grid-template-columns:repeat(5,1fr)}
  .depoimentos{grid-template-columns:repeat(2,1fr)}
  .alcance{grid-template-columns:1fr 1fr;gap:50px}
  .form-bloco{grid-template-columns:1fr 1fr;gap:50px;align-items:start}
  .galeria{grid-template-columns:repeat(4,1fr)}
}
@media (min-width:1100px){
  .depoimentos{grid-template-columns:repeat(4,1fr)}
}

section[id],main{scroll-margin-top:92px}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .anim,.js .anim,.js .galeria__item{opacity:1;transform:none}
  .progresso{display:none}
}