/* =========================================================
   Rocha Mármores — folha de estilo
   Paleta baseada na logo: preto absoluto + grafite + prata metálico
   ========================================================= */

:root{
  /* superfícies escuras */
  --ink:        #0B0B0D;
  --ink-2:      #101013;
  --ink-3:      #17171B;
  --line-dark:  rgba(255,255,255,.09);

  /* superfícies claras */
  --stone:      #F3F2F0;
  --stone-2:    #E8E6E3;
  --line-light: rgba(11,11,13,.12);

  /* prata (cor de destaque no lugar do roxo da RP) */
  --silver:     #C9CDD4;
  --silver-hi:  #EFF1F4;
  --silver-lo:  #A2A8B0;

  /* texto */
  --txt-dim:    #A6AAB1;
  --txt-ink:    #1B1B1F;
  --txt-ink-2:  #5C6067;

  --wa:         #25D366;

  --serif: "Cormorant Garamond", Georgia, serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --nav-h: 80px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; scroll-padding-top:var(--nav-h); }

body{
  margin:0;
  font-family:var(--sans);
  font-weight:300;
  background:var(--ink);
  color:#fff;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{ display:block; max-width:100%; }
a{ text-decoration:none; color:inherit; }
ul{ margin:0; padding:0; list-style:none; }

/* ---------------------------------------------------------
   Botões
   --------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  font-family:var(--sans);
  font-size:12px;
  font-weight:600;
  letter-spacing:.13em;
  text-transform:uppercase;
  border:0;
  border-radius:3px;
  cursor:pointer;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, filter .25s ease;
  white-space:nowrap;
}
.btn-sm{ padding:11px 20px; font-size:11px; }
.btn-lg{ padding:17px 38px; font-size:12.5px; }

/* prata escovada — usado sobre fundos escuros */
.btn-silver{
  background:linear-gradient(160deg,#FFFFFF 0%,#D7DBE0 38%,#A8AEB6 62%,#E3E6EA 100%);
  color:#0B0B0D;
  padding:15px 32px;
  box-shadow:0 2px 18px rgba(201,205,212,.18);
}
.btn-silver:hover{ transform:translateY(-2px); box-shadow:0 8px 28px rgba(201,205,212,.32); filter:brightness(1.05); }

/* grafite — usado sobre fundos claros */
.btn-dark{
  background:var(--ink-2);
  color:#fff;
  padding:15px 32px;
  border:1px solid var(--ink-2);
}
.btn-dark:hover{ transform:translateY(-2px); background:#000; box-shadow:0 10px 26px rgba(11,11,13,.28); }

.btn-wa{
  background:var(--wa);
  color:#fff;
  padding:13px 24px;
  letter-spacing:.09em;
}
.btn-wa:hover{ transform:translateY(-2px); filter:brightness(1.06); }

/* ---------------------------------------------------------
   Navegação
   --------------------------------------------------------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  background:rgba(11,11,13,.95);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background .3s ease, border-color .3s ease;
}
.nav.scrolled{ border-bottom-color:var(--line-dark); }

.nav-inner{
  max-width:1280px; margin:0 auto;
  height:var(--nav-h);
  padding:0 24px;
  display:flex; align-items:center; justify-content:space-between;
  gap:20px;
}

.brand{ display:flex; align-items:center; gap:12px; flex-shrink:0; }
.brand-mark{
  width:54px; height:54px;
  object-fit:contain;
  border-radius:3px;
}
.brand-text{
  font-size:11px; font-weight:300; line-height:1.35;
  letter-spacing:.18em; color:#fff;
}

.nav-links{ display:flex; align-items:center; gap:30px; }
.nav-links a{
  position:relative;
  font-size:13px; letter-spacing:.08em; text-transform:uppercase;
  color:rgba(255,255,255,.8);
  transition:color .2s ease;
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:1px;
  background:linear-gradient(90deg,transparent,var(--silver),transparent);
  transform:scaleX(0); transition:transform .3s ease;
}
.nav-links a:hover{ color:#fff; }
.nav-links a:hover::after{ transform:scaleX(1); }

.burger{
  display:none;
  flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px;
  background:none; border:0; cursor:pointer; padding:0;
}
.burger span{
  display:block; height:1.5px; width:24px; background:#fff;
  transition:transform .3s ease, opacity .2s ease;
}
.burger.open span:nth-child(1){ transform:translateY(6.5px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity:0; }
.burger.open span:nth-child(3){ transform:translateY(-6.5px) rotate(-45deg); }

.mobile-menu{
  display:none;
  flex-direction:column;
  padding:8px 24px 28px;
  background:rgba(11,11,13,.98);
  border-top:1px solid var(--line-dark);
}
.mobile-menu.open{ display:flex; }
.mobile-menu a{
  padding:14px 0;
  font-size:13px; letter-spacing:.1em; text-transform:uppercase;
  color:rgba(255,255,255,.85);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.mobile-menu .mm-cta{ margin-top:20px; border:0; }

/* o CTA do topo tem o mesmo texto dos outros, que é longo:
   espaçamento e respiro menores para caber ao lado dos links */
.nav-cta{ padding:11px 16px; letter-spacing:.07em; }

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
}
.hero-overlay{
  position:absolute; inset:0;
  /* escurecimento reduzido em ~30% para a foto de fundo aparecer mais */
  background:
    linear-gradient(180deg, rgba(11,11,13,.58) 0%, rgba(11,11,13,.36) 45%, rgba(11,11,13,.62) 100%),
    radial-gradient(70% 60% at 50% 45%, rgba(11,11,13,.08) 0%, rgba(11,11,13,.5) 100%);
}
.hero-content{
  position:relative; z-index:2;
  max-width:920px; padding:0 24px;
  text-align:center;
  display:flex; flex-direction:column; align-items:center;
}
.hero-kicker{
  margin:0 0 20px;
  font-size:11.5px; font-weight:500;
  letter-spacing:.26em; text-transform:uppercase;
  color:rgba(255,255,255,.82);
  text-shadow:0 1px 10px rgba(0,0,0,.7);
}
.hero-kicker::after{
  content:"";
  display:block;
  width:46px; height:1px;
  margin:14px auto 0;
  background:linear-gradient(90deg,transparent,var(--silver),transparent);
}

.hero h1{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(32px,5.6vw,62px);
  line-height:1.18;
  letter-spacing:.01em;
  margin:0 0 36px;
  color:#fff;
  text-shadow:0 2px 20px rgba(0,0,0,.75), 0 1px 4px rgba(0,0,0,.45);
}
.hero h1 .hl{
  background:linear-gradient(100deg,#FFFFFF 10%,#C9CDD4 45%,#8E949C 70%,#F2F4F6 95%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  max-width:600px;
  margin:0 0 36px;
  font-size:14.5px; line-height:1.8;
  color:rgba(255,255,255,.74);
}

.hero-trust{
  display:flex; flex-wrap:wrap; justify-content:center;
  gap:10px 26px;
  margin:28px 0 0;
}
.hero-trust li{
  display:flex; align-items:center; gap:8px;
  font-size:12px; letter-spacing:.05em;
  color:rgba(255,255,255,.88);
  text-shadow:0 1px 10px rgba(0,0,0,.75);
}
.hero-trust li::before{
  content:"";
  width:5px; height:5px;
  border-radius:50%;
  background:var(--silver);
  flex-shrink:0;
}

.hero-phone{
  display:inline-flex; align-items:center; gap:9px;
  margin-top:26px;
  font-size:13px; letter-spacing:.06em;
  color:rgba(255,255,255,.88);
  text-shadow:0 1px 10px rgba(0,0,0,.75);
  transition:color .2s ease;
}
.hero-phone:hover{ color:#fff; }

.scroll-hint{
  position:absolute; left:50%; bottom:30px; z-index:2;
  transform:translateX(-50%);
  color:rgba(255,255,255,.55);
  animation:bob 2.4s ease-in-out infinite;
  transition:color .2s ease;
}
.scroll-hint:hover{ color:#fff; }
@keyframes bob{
  0%,100%{ transform:translate(-50%,0); }
  50%    { transform:translate(-50%,9px); }
}

/* ---------------------------------------------------------
   Seções genéricas
   --------------------------------------------------------- */
.sec{ padding:96px 24px; }
.sec-dark{ background:var(--ink); }
.sec-light{ background:var(--stone); color:var(--txt-ink); }

.sec-head{ text-align:center; max-width:820px; margin:0 auto 56px; }

.eyebrow{
  margin:0 0 16px;
  font-size:12px; font-weight:500;
  letter-spacing:.2em; text-transform:uppercase;
  background:linear-gradient(90deg,#8E949C,#EFF1F4,#8E949C);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.eyebrow-dark{
  background:none; color:var(--txt-ink-2);
  -webkit-text-fill-color:currentColor;
}

.sec h2{
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(28px,4vw,38px);
  letter-spacing:.01em;
  line-height:1.22;
  margin:0 0 12px;
  color:var(--txt-ink);
}
.sec h2.on-dark{ color:#fff; }

.sec-sub{ margin:10px 0 0; font-size:13.5px; line-height:1.7; color:var(--txt-dim); }
.sec-sub-dark{ color:var(--txt-ink-2); }
.sec-foot{ text-align:center; margin-top:56px; }
.foot-note{
  margin:0 0 22px;
  font-size:13.5px;
  color:var(--txt-ink-2);
}

/* ---------------------------------------------------------
   Galeria
   --------------------------------------------------------- */
.gallery{
  max-width:1200px; margin:0 auto;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
}
.gal-item{
  position:relative;
  margin:0;
  aspect-ratio:3/4;
  overflow:hidden;
  cursor:pointer;
  background:var(--ink-3);
}
.gal-item img{
  width:100%; height:100%;
  object-fit:cover;
  transition:transform .55s ease;
}
.gal-item:hover img{ transform:scale(1.06); }
.gal-item figcaption{
  position:absolute; left:0; right:0; bottom:0; z-index:2;
  padding:34px 18px 14px;
  font-size:12px; letter-spacing:.04em;
  color:#fff;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.78));
  opacity:0;
  transform:translateY(8px);
  transition:opacity .3s ease, transform .3s ease;
}
.gal-item:hover figcaption{ opacity:1; transform:translateY(0); }

.gal-hover{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  background:rgba(11,11,13,.5);
  backdrop-filter:blur(1px);
  opacity:0;
  transition:opacity .3s ease;
}
.gal-item:hover .gal-hover{ opacity:1; }

/* em telas de toque não existe hover: a legenda fica sempre visível */
@media (hover:none){
  .gal-item figcaption{ opacity:1; transform:none; }
}

/* ---------------------------------------------------------
   Sobre
   --------------------------------------------------------- */
.about{ max-width:960px; margin:0 auto; text-align:center; }
.about-text{
  margin:0 auto 52px;
  max-width:720px;
  font-size:15px; line-height:1.85;
  color:var(--txt-ink-2);
}
.stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line-light);
  border-bottom:1px solid var(--line-light);
}
.stat{
  padding:34px 22px;
  border-left:1px solid var(--line-light);
}
.stat:first-child{ border-left:0; }
.stat strong{
  display:block;
  font-family:var(--serif);
  font-weight:600;
  font-size:23px;
  color:var(--txt-ink);
  margin-bottom:8px;
}
.stat span{
  display:block;
  font-size:12.5px; line-height:1.6;
  color:var(--txt-ink-2);
}

/* ---------------------------------------------------------
   Cards (depoimentos + serviços)
   --------------------------------------------------------- */
.cards{ max-width:1200px; margin:0 auto; display:grid; gap:22px; }
.cards-3{ grid-template-columns:repeat(3,1fr); }
.cards-4{ grid-template-columns:repeat(4,1fr); }

.quote{
  margin:0;
  padding:32px 28px;
  background:var(--ink-2);
  border:1px solid var(--line-dark);
  border-radius:3px;
  position:relative;
  overflow:hidden;
  transition:transform .3s ease, border-color .3s ease;
}
.quote::before{
  content:"";
  position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg,transparent,var(--silver),transparent);
  opacity:.5;
}
.quote:hover{ transform:translateY(-4px); border-color:rgba(201,205,212,.3); }
.stars{ color:var(--silver); font-size:14px; letter-spacing:.22em; margin-bottom:18px; }
.quote p{
  margin:0 0 22px;
  font-size:14px; line-height:1.8; font-style:italic;
  color:rgba(255,255,255,.82);
}
.quote footer strong{
  display:block;
  font-size:13.5px; font-weight:500; color:#fff; margin-bottom:4px;
}
.quote footer span{ font-size:12px; color:var(--txt-dim); }

.svc{
  padding:38px 28px;
  background:#fff;
  border:1px solid var(--line-light);
  border-radius:3px;
  text-align:center;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.svc:hover{
  transform:translateY(-5px);
  box-shadow:0 14px 38px rgba(11,11,13,.1);
  border-color:rgba(11,11,13,.2);
}
.svc-icon{
  display:inline-flex; align-items:center; justify-content:center;
  width:58px; height:58px;
  margin-bottom:20px;
  border-radius:50%;
  background:linear-gradient(150deg,#1B1B1F,#3A3B40);
  color:var(--silver-hi);
}
.svc h3{
  font-family:var(--serif);
  font-weight:600; font-size:21px;
  margin:0 0 12px;
  color:var(--txt-ink);
}
.svc p{
  margin:0;
  font-size:13.5px; line-height:1.75;
  color:var(--txt-ink-2);
}

/* ---------------------------------------------------------
   Rodapé
   --------------------------------------------------------- */
.footer{ background:var(--ink-2); border-top:1px solid var(--line-dark); padding:72px 24px 0; }
.footer-inner{
  max-width:1200px; margin:0 auto;
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr;
  gap:48px;
}
.f-logo{ width:150px; margin-bottom:20px; border-radius:3px; }
.f-tagline{ margin:0; font-size:13px; line-height:1.8; color:var(--txt-dim); max-width:300px; }

.f-col h4{
  margin:0 0 20px;
  font-size:11.5px; font-weight:500;
  letter-spacing:.2em; text-transform:uppercase;
  color:var(--silver);
}
.f-menu li,.f-info li{
  font-size:13px; line-height:1.9;
  color:var(--txt-dim);
}
.f-menu a{ transition:color .2s ease; }
.f-menu a:hover,.f-info a:hover{ color:#fff; }
.f-info .f-gap{ margin-top:16px; }
.footer .btn-wa{ margin-top:22px; }

.footer-bottom{
  max-width:1200px; margin:64px auto 0;
  padding:24px 0;
  border-top:1px solid var(--line-dark);
  text-align:center;
}
.footer-bottom p{ margin:0; font-size:12px; color:rgba(166,170,177,.75); }

/* ---------------------------------------------------------
   WhatsApp flutuante
   --------------------------------------------------------- */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:40;
  width:56px; height:56px;
  display:flex; align-items:center; justify-content:center;
  background:var(--wa); color:#fff;
  border-radius:50%;
  box-shadow:0 6px 24px rgba(37,211,102,.4);
  transition:transform .25s ease, box-shadow .25s ease;
}
.wa-float:hover{ transform:scale(1.08); box-shadow:0 10px 30px rgba(37,211,102,.55); }

/* ---------------------------------------------------------
   Lightbox
   --------------------------------------------------------- */
.lb{
  position:fixed; inset:0; z-index:100;
  display:none;
  align-items:center; justify-content:center;
  background:rgba(6,6,8,.95);
  padding:64px 24px;
}
.lb.open{ display:flex; }
.lb-figure{ margin:0; max-width:min(1100px,92vw); text-align:center; }
.lb-figure img{
  max-width:100%; max-height:76vh;
  margin:0 auto;
  object-fit:contain;
  border:1px solid var(--line-dark);
}
.lb-cap{
  margin:16px 0 0;
  font-size:13px; letter-spacing:.05em;
  color:var(--txt-dim);
}
.lb-close{
  position:absolute; top:20px; right:26px;
  background:none; border:0; cursor:pointer;
  font-size:40px; line-height:1;
  color:rgba(255,255,255,.7);
  transition:color .2s ease;
}
.lb-close:hover{ color:#fff; }
.lb-nav{
  position:absolute; top:50%; transform:translateY(-50%);
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);
  color:rgba(255,255,255,.8);
  font-size:20px;
  width:46px; height:46px;
  border-radius:50%;
  cursor:pointer;
  transition:background .2s ease, color .2s ease;
}
.lb-nav:hover{ background:rgba(255,255,255,.14); color:#fff; }
.lb-prev{ left:22px; }
.lb-next{ right:22px; }

/* ---------------------------------------------------------
   Animação de entrada
   --------------------------------------------------------- */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .7s ease var(--d,0ms), transform .7s ease var(--d,0ms);
}
.reveal.visible{ opacity:1; transform:none; }

@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .scroll-hint{ animation:none; }
  html{ scroll-behavior:auto; }
}

/* ---------------------------------------------------------
   Responsivo
   --------------------------------------------------------- */
@media (max-width:1160px){
  .nav-links{ display:none; }
  .nav-cta{ display:none; }
  .burger{ display:flex; }
  .cards-4{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width:860px){
  .gallery{ grid-template-columns:repeat(2,1fr); }
  .cards-3{ grid-template-columns:1fr; }
  .footer-inner{ grid-template-columns:1fr 1fr; }
  .f-brand{ grid-column:1 / -1; }
}

@media (max-width:620px){
  :root{ --nav-h:70px; }
  .sec{ padding:68px 20px; }
  .gallery{ grid-template-columns:1fr; }
  .cards-4{ grid-template-columns:1fr; }
  .stats{ grid-template-columns:1fr; }
  .stat{ border-left:0; border-top:1px solid var(--line-light); }
  .stat:first-child{ border-top:0; }
  .footer-inner{ grid-template-columns:1fr; gap:36px; }
  .hero-sub{ font-size:14px; }
  .btn-lg{ padding:15px 28px; }
  .lb{ padding:80px 14px; }
  .lb-prev{ left:8px; }
  .lb-next{ right:8px; }
  .wa-float{ width:52px; height:52px; right:16px; bottom:16px; }
}