/* ============================================================
   Marmoraria Marmogram, landing page
   Paleta derivada da logo: azul marinho, vermelho, amarelo
   ============================================================ */

:root{
  --azul:#14237A;
  --azul-esc:#0D1544;
  --vermelho:#CE1417;
  --vermelho-esc:#A80F12;
  --amarelo:#FFC800;
  --areia:#F6F4F0;
  --areia-2:#EDE9E1;
  --grafite:#171A22;
  --cinza:#6A6E78;
  --linha:#DCD7CD;
  --branco:#FFFFFF;
  --raio:14px;
  --raio-g:20px;
  --container:1180px;
  --ease:cubic-bezier(.16,1,.3,1);
  --sombra:0 18px 40px -24px rgba(13,21,68,.35);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--areia);
  color:var(--grafite);
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit}

h1,h2,h3,.display{
  font-family:'Archivo','Inter',sans-serif;
  font-weight:800;
  letter-spacing:-.025em;
  line-height:1.06;
  margin:0;
}
h2{font-size:clamp(1.9rem,4vw,3rem)}
h3{font-size:1.15rem;letter-spacing:-.015em;line-height:1.25}
p{margin:0 0 1rem}

.container{width:min(100% - 2.5rem,var(--container));margin-inline:auto}
.secao{padding:clamp(3.5rem,8vw,6.5rem) 0}
.secao--areia2{background:var(--areia-2)}
.secao--azul{background:var(--azul-esc);color:#EEF0FA}
.secao--azul .cinza{color:#A9B0D0}

/* -------- assinatura: arco da logo -------- */
.arco{display:block;width:132px;height:14px;margin:.9rem 0 0;overflow:visible}
.arco path{fill:none;stroke-linecap:round}
.arco .arco-b{stroke:var(--grafite);stroke-width:6}
.arco .arco-a{stroke:var(--amarelo);stroke-width:4}
.secao--azul .arco .arco-b{stroke:#0A1030}
.centro .arco{margin-inline:auto}

.eyebrow{
  font-family:'Archivo',sans-serif;
  font-weight:700;
  font-size:.78rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--vermelho);
  margin:0 0 .6rem;
}
.secao--azul .eyebrow{color:var(--amarelo)}
.cinza{color:var(--cinza)}
.centro{text-align:center}
.cabecalho-secao{max-width:640px;margin-bottom:2.6rem}
.centro.cabecalho-secao{margin-inline:auto}
.cabecalho-secao p{margin-top:1rem;color:var(--cinza)}

/* -------- botoes -------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.95rem 1.5rem;border-radius:100px;border:1px solid transparent;
  font-family:'Archivo',sans-serif;font-weight:700;font-size:.97rem;
  text-decoration:none;cursor:pointer;
  transition:transform .25s var(--ease),background .25s,color .25s,box-shadow .25s;
}
.btn svg{width:19px;height:19px;flex:none}
.btn--zap{background:var(--vermelho);color:#fff;box-shadow:0 12px 26px -14px rgba(206,20,23,.9)}
.btn--zap:hover{background:var(--vermelho-esc);transform:translateY(-2px)}
.btn--linha{border-color:var(--azul);color:var(--azul);background:transparent}
.btn--linha:hover{background:var(--azul);color:#fff;transform:translateY(-2px)}
.secao--azul .btn--linha{border-color:rgba(255,255,255,.45);color:#fff}
.secao--azul .btn--linha:hover{background:#fff;color:var(--azul-esc)}
.btn[disabled]{background:#C7C3BA;color:#fff;box-shadow:none;cursor:not-allowed;transform:none}
.acoes{display:flex;flex-wrap:wrap;gap:.8rem}

:focus-visible{outline:3px solid var(--amarelo);outline-offset:3px;border-radius:6px}

/* -------- header -------- */
.topo{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,240,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--linha);
}
.topo__in{display:flex;align-items:center;gap:1.4rem;height:74px}
.topo__logo{display:flex;align-items:center;text-decoration:none}
.topo__logo img{height:42px;width:auto}
@media (max-width:520px){.topo__logo img{height:34px}}
.nav{margin-left:auto;display:flex;gap:1.55rem}
.nav a{text-decoration:none;font-size:.95rem;color:var(--grafite);opacity:.82;position:relative}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-5px;height:2px;background:var(--vermelho);transition:right .3s var(--ease)}
.nav a:hover::after{right:0}
.topo .btn{padding:.7rem 1.15rem}
@media (max-width:960px){.nav{display:none}.topo .btn{margin-left:auto}}

/* -------- hero -------- */
.hero{padding:clamp(2rem,4vw,3.2rem) 0 clamp(3rem,7vw,5rem);overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(2rem,5vw,3.5rem);align-items:stretch}
.hero h1{font-size:clamp(2.3rem,5.4vw,4rem)}
.hero h1 em{font-style:normal;color:var(--azul);position:relative;white-space:nowrap}
.hero__sub{font-size:clamp(1.02rem,1.6vw,1.16rem);color:var(--cinza);max-width:33rem;margin-top:1.4rem}
.hero .acoes{margin-top:2rem}
.selos{display:flex;flex-wrap:wrap;gap:.5rem 1.6rem;margin-top:1.8rem;padding-top:1.3rem;border-top:1px solid var(--linha)}
.selo{font-size:.88rem;color:var(--cinza);display:flex;align-items:center;gap:.5rem}
.selo strong{font-family:'Archivo';font-weight:800;color:var(--azul);font-size:1.05rem}
.hero__foto{position:relative;display:flex}
.hero__foto img{width:100%;height:100%;min-height:340px;object-fit:cover;border-radius:var(--raio-g);box-shadow:var(--sombra)}
.hero__tag{
  position:absolute;left:-14px;bottom:26px;background:#fff;border-radius:var(--raio);
  padding:.85rem 1.1rem;box-shadow:var(--sombra);max-width:230px;font-size:.85rem;line-height:1.4;
}
.hero__tag strong{display:block;font-family:'Archivo';font-size:.95rem;color:var(--azul)}
@media (max-width:900px){
  .hero__grid{grid-template-columns:1fr;gap:2rem}
  .hero__foto img{aspect-ratio:4/3;height:auto;min-height:0}
  .hero__tag{left:auto;right:12px;bottom:16px}
}

/* -------- faixa de prova -------- */
.faixa{background:var(--azul);color:#fff}
.faixa__in{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;padding:1.7rem 0}
.faixa__item{display:flex;flex-direction:column;gap:.15rem;padding-left:1.1rem;border-left:2px solid rgba(255,255,255,.22)}
.faixa__item strong{font-family:'Archivo';font-weight:800;font-size:1.5rem;letter-spacing:-.02em}
.faixa__item span{font-size:.85rem;color:#C3C9EA}
@media (max-width:760px){.faixa__in{grid-template-columns:1fr 1fr;gap:1.1rem}}

/* -------- historia (segunda dobra) -------- */
.dobra{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.dobra img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--raio-g)}
.lista{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;gap:.85rem}
.lista li{display:flex;gap:.7rem;align-items:flex-start;font-size:.98rem}
.lista li::before{
  content:"";width:9px;height:9px;margin-top:.52rem;flex:none;border-radius:3px;
  background:var(--vermelho);transform:rotate(45deg);
}
@media (max-width:880px){.dobra{grid-template-columns:1fr}}

/* -------- materiais -------- */
.materiais{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.material{
  background:#fff;border:1px solid var(--linha);border-radius:var(--raio-g);
  padding:1.6rem 1.4rem;transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.material:hover{transform:translateY(-4px);box-shadow:var(--sombra)}
.material h3{margin-bottom:.55rem;color:var(--azul)}
.material p{font-size:.94rem;color:var(--cinza);margin:0}
.material__uso{
  display:block;margin-top:1.1rem;padding-top:.9rem;border-top:1px dashed var(--linha);
  font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;font-family:'Archivo';font-weight:700;color:var(--grafite);
}
@media (max-width:1000px){.materiais{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.materiais{grid-template-columns:1fr}}

/* -------- aplicacoes -------- */
.aplic{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.aplic__card{position:relative;border-radius:var(--raio-g);overflow:hidden;min-height:300px;background:var(--areia-2)}
.aplic__card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.aplic__card:hover img{transform:scale(1.05)}
.aplic__card figcaption{
  position:absolute;inset:auto 0 0 0;padding:1.4rem;color:#fff;
  background:linear-gradient(to top,rgba(13,21,68,.9),rgba(13,21,68,0));
}
.aplic__card figcaption strong{display:block;font-family:'Archivo';font-weight:800;font-size:1.1rem}
.aplic__card figcaption span{font-size:.88rem;color:#D6DAF0}
.aplic__lista{
  margin-top:1.4rem;display:flex;flex-wrap:wrap;gap:.5rem;
}
.tag{
  font-size:.86rem;padding:.45rem .9rem;border:1px solid var(--linha);border-radius:100px;background:#fff;color:var(--cinza);
}
@media (max-width:880px){.aplic{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.aplic{grid-template-columns:1fr}.aplic__card{min-height:240px}}

/* -------- estrutura -------- */
.estrutura__grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:2.6rem}
.estrutura__grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--raio-g)}
.passos{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;counter-reset:p}
.passo{padding-top:1.1rem;border-top:2px solid rgba(255,255,255,.2)}
.passo::before{
  counter-increment:p;content:counter(p,decimal-leading-zero);
  font-family:'Archivo';font-weight:800;font-size:.85rem;color:var(--amarelo);display:block;margin-bottom:.4rem;letter-spacing:.1em;
}
.passo h3{font-size:1.05rem;margin-bottom:.35rem}
.passo p{font-size:.92rem;margin:0}
@media (max-width:880px){.estrutura__grid{grid-template-columns:1fr}.passos{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.passos{grid-template-columns:1fr}}

/* -------- galeria -------- */
.galeria{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.galeria button{
  padding:0;border:0;background:var(--areia-2);cursor:zoom-in;
  border-radius:var(--raio-g);overflow:hidden;position:relative;display:block;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.galeria button:hover{transform:translateY(-3px);box-shadow:var(--sombra)}
.galeria img{width:100%;height:100%;aspect-ratio:3/2;object-fit:cover;display:block;transition:transform .7s var(--ease)}
.galeria button:hover img{transform:scale(1.05)}
/* primeira foto em destaque, ocupa duas colunas e duas linhas */
.galeria button:first-child{grid-column:span 2;grid-row:span 2}
.galeria button:first-child img{aspect-ratio:auto}
@media (max-width:900px){
  .galeria{grid-template-columns:1fr 1fr}
  .galeria button:first-child{grid-column:span 2;grid-row:auto}
  .galeria button:first-child img{aspect-ratio:3/2}
}
@media (max-width:640px){
  .galeria{grid-template-columns:1fr;gap:.9rem}
  .galeria button:first-child{grid-column:auto}
}

/* lightbox */
.lb{
  position:fixed;inset:0;z-index:100;display:none;place-items:center;
  background:rgba(13,21,68,.94);padding:1.5rem;
}
.lb[open],.lb.aberto{display:grid}
.lb img{max-width:min(92vw,1000px);max-height:86vh;border-radius:var(--raio);object-fit:contain}
.lb__fechar,.lb__nav{
  position:absolute;background:rgba(255,255,255,.12);border:0;color:#fff;
  width:48px;height:48px;border-radius:50%;font-size:1.4rem;cursor:pointer;line-height:1;
}
.lb__fechar{top:1.2rem;right:1.2rem}
.lb__nav--ant{left:1.2rem;top:50%;transform:translateY(-50%)}
.lb__nav--prox{right:1.2rem;top:50%;transform:translateY(-50%)}
.lb__fechar:hover,.lb__nav:hover{background:rgba(255,255,255,.26)}

/* -------- arquitetos -------- */
.arq{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.arq img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--raio-g)}
@media (max-width:880px){.arq{grid-template-columns:1fr}}

/* -------- avaliacoes -------- */
.avaliacoes{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.avaliacao{background:#fff;border:1px solid var(--linha);border-radius:var(--raio-g);padding:1.6rem}
.avaliacao p{font-size:.96rem}
.avaliacao footer{font-size:.86rem;color:var(--cinza);font-family:'Archivo';font-weight:700}
.estrelas{color:var(--amarelo);letter-spacing:.14em;margin-bottom:.6rem;font-size:.95rem}
@media (max-width:880px){.avaliacoes{grid-template-columns:1fr}}

/* -------- area de atendimento -------- */
.area{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,3.5rem);align-items:center}
.mapa{border:0;width:100%;height:340px;border-radius:var(--raio-g);filter:grayscale(.25)}
@media (max-width:880px){.area{grid-template-columns:1fr}}

/* -------- faq -------- */
.faq{max-width:820px;margin-inline:auto}
.faq details{border-bottom:1px solid var(--linha);padding:.4rem 0}
.faq summary{
  cursor:pointer;list-style:none;padding:1.05rem 2.4rem 1.05rem 0;position:relative;
  font-family:'Archivo';font-weight:700;font-size:1.03rem;letter-spacing:-.01em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:.3rem;top:50%;transform:translateY(-50%);
  font-size:1.5rem;color:var(--vermelho);font-weight:400;transition:transform .3s var(--ease)
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 2rem .9rem 0;color:var(--cinza);font-size:.98rem;margin:0}

/* -------- formulario -------- */
.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.form{background:#fff;border-radius:var(--raio-g);padding:clamp(1.5rem,3vw,2.2rem);box-shadow:var(--sombra)}
.campos{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.campo{display:flex;flex-direction:column;gap:.35rem}
.campo--full{grid-column:1/-1}
.campo label{font-size:.84rem;font-family:'Archivo';font-weight:700;letter-spacing:.02em;color:var(--grafite)}
.campo input,.campo select,.campo textarea{
  font:inherit;font-size:.97rem;padding:.8rem .9rem;border:1px solid var(--linha);
  border-radius:10px;background:var(--areia);color:var(--grafite);width:100%;
}
.campo textarea{resize:vertical;min-height:92px}
.campo input:focus,.campo select:focus,.campo textarea:focus{border-color:var(--azul);outline:none;box-shadow:0 0 0 3px rgba(20,35,122,.12)}
.form .btn{width:100%;justify-content:center;margin-top:1.2rem}
.form__nota{font-size:.82rem;color:var(--cinza);margin:.9rem 0 0;text-align:center}
.form__ok{display:none;background:#EAF6EE;border:1px solid #BEE3CB;color:#1D6B39;border-radius:12px;padding:1rem;margin-top:1rem;font-size:.94rem}
.form__ok.visivel{display:block}
@media (max-width:880px){.form-wrap{grid-template-columns:1fr}.campos{grid-template-columns:1fr}}

/* -------- footer -------- */
.rodape{background:var(--grafite);color:#C9CCD6;padding:3.2rem 0 2rem;font-size:.93rem}
.rodape__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2rem}
.rodape__logo{height:52px;width:auto;margin-bottom:1rem}
.rodape h4{font-family:'Archivo';font-weight:800;color:#fff;font-size:1rem;margin:0 0 .8rem;letter-spacing:-.01em}
.rodape a{color:#C9CCD6;text-decoration:none}
.rodape a:hover{color:#fff}
.rodape ul{list-style:none;padding:0;margin:0;display:grid;gap:.45rem}
.rodape__fim{margin-top:2.4rem;padding-top:1.3rem;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.83rem;color:#8A8F9C}
@media (max-width:780px){.rodape__grid{grid-template-columns:1fr}}

/* -------- whatsapp flutuante -------- */
.zap-float{
  position:fixed;right:18px;bottom:18px;z-index:70;width:56px;height:56px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;box-shadow:0 14px 30px -12px rgba(0,0,0,.5);
  transition:transform .25s var(--ease);
}
.zap-float:hover{transform:scale(1.07)}
.zap-float svg{width:29px;height:29px;fill:#fff}

/* -------- animacao -------- */
.anim{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.anim.dentro{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto}
  .anim{opacity:1;transform:none}
}