/* ============================================
   Pedra e Arte Marmoraria — Landing Page
   ============================================ */

:root{
  --navy-deep:#131c30;
  --navy:#1e2e4f;
  --navy-mid:#33517f;
  --gold:#c09a49;
  --gold-light:#e8c56e;
  --stone:#f7f4ee;
  --stone-alt:#efe9dd;
  --ink:#211c17;
  --ink-soft:#59544c;
  --white:#ffffff;

  --display:"Fraunces", Georgia, serif;
  --body:"Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --wrap:1180px;
  --radius:4px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--stone);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }

.wrap{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

h1,h2,h3{
  font-family:var(--display);
  font-weight:560;
  line-height:1.12;
  margin:0 0 .5em;
  color:var(--ink);
  letter-spacing:-0.01em;
}

h1{ font-size:clamp(2.4rem, 5vw, 3.9rem); font-weight:520; }
h2{ font-size:clamp(1.9rem, 3.4vw, 2.7rem); }
h3{ font-size:1.15rem; font-weight:640; }
h2.light,h1{ color:var(--white); }

p{ margin:0 0 1em; color:var(--ink-soft); }

em{ font-style:italic; color:var(--gold); }

a{ color:inherit; text-decoration:none; }

.eyebrow{
  font-family:var(--body);
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold);
  margin:0 0 .9em;
  display:inline-block;
}
.eyebrow-light{ color:var(--gold-light); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:.9em 1.7em;
  border-radius:var(--radius);
  font-weight:700;
  font-size:.95rem;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background-color .15s ease, border-color .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{
  background:var(--gold);
  color:var(--navy-deep);
}
.btn-primary:hover{ background:var(--gold-light); }
.btn-outline{
  border-color:rgba(255,255,255,.5);
  color:var(--white);
}
.btn-outline:hover{ border-color:var(--gold-light); color:var(--gold-light); }
.btn-outline-dark{
  border-color:var(--navy);
  color:var(--navy);
}
.btn-outline-dark:hover{ background:var(--navy); color:var(--white); }
.btn-block{ width:100%; }
.btn:disabled,
.btn[disabled]{
  opacity:.45;
  cursor:not-allowed;
  transform:none !important;
}
.btn:disabled:hover,
.btn[disabled]:hover{ background:var(--gold); transform:none; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(33,28,23,.08);
}
.header-inner{
  display:flex; align-items:center; gap:24px;
  height:76px;
}
.brand-logo{ height:52px; width:auto; }
.main-nav{
  display:flex; gap:28px;
  margin-left:auto;
  font-size:.92rem;
  font-weight:600;
}
.main-nav a{ color:var(--ink); position:relative; padding:6px 0; }
.main-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--gold); transform:scaleX(0); transform-origin:left;
  transition:transform .2s ease;
}
.main-nav a:hover::after{ transform:scaleX(1); }
.btn-header{ margin-left:8px; padding:.7em 1.3em; font-size:.88rem; }
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none; border:none; cursor:pointer;
  padding:6px;
}
.nav-toggle span{
  width:22px; height:2px; background:var(--ink); display:block;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:radial-gradient(ellipse at 20% 0%, var(--navy-mid) 0%, var(--navy-deep) 55%, var(--navy-deep) 100%);
  padding:64px 0 100px;
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  position:relative;
  z-index:2;
}
.hero-copy h1{ margin-bottom:.4em; }
.hero-sub{
  color:rgba(255,255,255,.78);
  font-size:1.06rem;
  max-width:46ch;
  margin-bottom:1.8em;
}
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; }

.hero-media{ position:relative; }
.hero-frame{
  position:relative;
  border-radius:6px;
  overflow:hidden;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.55);
  border:1px solid rgba(255,255,255,.12);
}
.hero-frame img{ width:100%; height:100%; object-fit:cover; aspect-ratio:4/4.6; }
.hero-frame-accent{
  position:absolute;
  top:-16px; right:-16px;
  width:100px; height:100px;
  border-top:2px solid var(--gold);
  border-right:2px solid var(--gold);
  border-radius:0 6px 0 0;
  z-index:-1;
}
.hero-vein{
  position:absolute; left:0; right:0; bottom:-2px; width:100%; height:60px; z-index:1;
}

/* ---------- Stats band ---------- */
.stats-band{
  background:var(--stone);
  margin-top:-2px;
  padding-bottom:0;
}
.stats-grid{
  background:var(--white);
  border:1px solid rgba(33,28,23,.08);
  border-radius:8px;
  box-shadow:0 20px 45px -30px rgba(19,28,48,.35);
  margin-top:-72px;
  padding:36px 24px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:clamp(20px,5vw,64px);
  position:relative;
  z-index:5;
  flex-wrap:wrap;
}
.stat{ text-align:center; }
.stat-num{
  display:block;
  font-family:var(--display);
  font-size:clamp(1.8rem,3vw,2.5rem);
  font-weight:600;
  color:var(--navy);
}
.stat-label{
  display:block;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-top:.3em;
}
.stat-divider{ width:1px; height:44px; background:rgba(33,28,23,.14); }
@media(max-width:640px){ .stat-divider{ display:none; } }

/* ---------- Sections ---------- */
.section{ padding:104px 0; scroll-margin-top:90px; }
#orcamento,#galeria,#faq,#servicos,#diferenciais,#sobre{ scroll-margin-top:90px; }
.reviews-band{ scroll-margin-top:90px; }
.section-alt{ background:var(--stone-alt); }
.section-dark{
  background:var(--navy-deep);
}
.section-dark p{ color:rgba(255,255,255,.72); }
.section-head{ max-width:680px; margin-bottom:56px; }
.section-sub{ font-size:1.05rem; }

/* ---------- Sobre ---------- */
.sobre-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:72px;
  align-items:start;
}
.sobre-copy p{ font-size:1.06rem; }
.sobre-steps{ display:flex; flex-direction:column; gap:34px; }
.step{ display:flex; gap:20px; align-items:flex-start; }
.step-num{
  font-family:var(--display);
  font-size:1rem;
  font-weight:700;
  color:var(--gold);
  border:1.5px solid var(--gold);
  border-radius:50%;
  width:40px; height:40px;
  flex:none;
  display:flex; align-items:center; justify-content:center;
}
.step h3{ margin-bottom:.25em; }
.step p{ margin:0; font-size:.96rem; }

/* ---------- Serviços ---------- */
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
  background:rgba(33,28,23,.1);
  border:1px solid rgba(33,28,23,.1);
}
.service-card{
  background:var(--stone-alt);
  padding:44px 20px;
  text-align:center;
  transition:background-color .2s ease;
  display:flex;
  flex-direction:column;
  align-items:center;
}
.service-card:hover{ background:var(--white); }
.svc-icon{
  width:42px;
  height:42px;
  color:var(--navy);
  margin:0 auto 18px;
  overflow:visible;
}
.service-card h3{ font-size:1.03rem; margin:0; }
@media(max-width:760px){
  .services-grid{ grid-template-columns:repeat(2,1fr); }
  .service-card:last-child:nth-child(odd){ grid-column:1 / -1; }
}

.services-cta{
  text-align:center;
  margin-top:48px;
  padding-top:40px;
  border-top:1px solid rgba(33,28,23,.12);
}
.services-cta p{
  font-family:var(--display);
  font-size:1.25rem;
  color:var(--ink);
  margin-bottom:1em;
}

/* ---------- Galeria ---------- */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:10px;
}
.gallery-item{
  padding:0; border:none; background:none; cursor:pointer;
  overflow:hidden; border-radius:4px; aspect-ratio:1/1;
  position:relative;
}
.gallery-item img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .45s ease;
}
.gallery-item:hover img{ transform:scale(1.07); }
.gallery-item::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(19,28,48,.35), transparent 45%);
  opacity:0; transition:opacity .25s ease;
}
.gallery-item:hover::after{ opacity:1; }
@media(max-width:900px){ .gallery-grid{ grid-template-columns:repeat(3,1fr); } }
@media(max-width:560px){ .gallery-grid{ grid-template-columns:repeat(2,1fr); } }

/* ---------- Peças especiais ---------- */
.especiais-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.especiais-copy p{ font-size:1.05rem; }
.especiais-media{
  position:relative;
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:14px;
}
.especial-img-1{ border-radius:6px; aspect-ratio:3/4; object-fit:cover; height:100%; }
.especial-img-2{ border-radius:6px; aspect-ratio:3/4.4; object-fit:cover; margin-top:34px; }

/* ---------- Diferenciais ---------- */
.dif-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
}
.dif-card{
  background:var(--white);
  border:1px solid rgba(33,28,23,.08);
  border-radius:6px;
  padding:32px 24px;
}
.dif-chip{
  display:block;
  width:34px; height:10px;
  background:linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius:2px;
  margin-bottom:20px;
}
.dif-card h3{ margin-bottom:.4em; font-size:1.05rem; }
.dif-card p{ font-size:.93rem; margin:0; }
@media(max-width:900px){ .dif-grid{ grid-template-columns:1fr 1fr; } }
@media(max-width:560px){ .dif-grid{ grid-template-columns:1fr; } }

/* ---------- Avaliações ---------- */
.reviews-band{
  background:var(--navy);
  padding:64px 0;
}
.reviews-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.reviews-inner h2{ margin:0; }

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:56px;
}
.faq-head{ margin:0; }
.faq-item{
  border-bottom:1px solid rgba(33,28,23,.14);
  padding:22px 0;
}
.faq-item summary{
  cursor:pointer;
  font-family:var(--display);
  font-weight:560;
  font-size:1.12rem;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:"+";
  font-size:1.5rem;
  color:var(--gold);
  flex:none;
  font-family:var(--body);
  font-weight:400;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{ transform:rotate(45deg); }
.faq-item p{ margin:.9em 0 0; }

/* ---------- CTA / Form ---------- */
.orc-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:start;
}
.orc-sub{ max-width:44ch; }
.whats-direct{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  color:var(--gold-light);
  font-weight:700;
  font-size:1.15rem;
  margin-top:1.2em;
  border-bottom:1.5px solid rgba(232,197,110,.4);
  padding-bottom:4px;
}
.orc-form{
  background:var(--white);
  border-radius:8px;
  padding:36px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.form-row{ display:flex; flex-direction:column; gap:6px; }
.form-row label{
  font-size:.82rem;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.02em;
}
.form-row input,
.form-row select,
.form-row textarea{
  font-family:var(--body);
  font-size:1rem;
  padding:.85em 1em;
  border:1.5px solid rgba(33,28,23,.16);
  border-radius:4px;
  background:var(--stone);
  color:var(--ink);
  resize:vertical;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:2px solid var(--gold);
  outline-offset:1px;
  border-color:var(--gold);
}
.orc-form .btn{ margin-top:8px; }

/* ---------- Footer ---------- */
.site-footer{
  background:var(--navy-deep);
  padding:72px 0 0;
  color:rgba(255,255,255,.72);
}
.footer-inner{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-logo{ height:56px; width:auto; margin-bottom:16px; filter:brightness(0) invert(1); opacity:.92; }
.footer-brand p{ color:rgba(255,255,255,.6); font-size:.92rem; max-width:32ch; }
.footer-col h4{
  font-family:var(--body);
  color:var(--white);
  font-size:.82rem;
  font-weight:800;
  letter-spacing:.1em;
  text-transform:uppercase;
  margin-bottom:1em;
}
.footer-col a,.footer-col p{
  display:block;
  color:rgba(255,255,255,.72);
  font-size:.94rem;
  margin-bottom:.6em;
  text-decoration:none;
}
.footer-whats{ display:inline-flex !important; align-items:center; gap:.5em; }
.footer-col a:hover{ color:var(--gold-light); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:24px 0;
  font-size:.84rem;
  color:rgba(255,255,255,.5);
  flex-wrap:wrap;
  gap:10px;
}
.footer-bottom a{ color:rgba(255,255,255,.5); }
.footer-bottom a:hover{ color:var(--gold-light); }

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed; inset:0; background:rgba(10,14,24,.92);
  display:flex; align-items:center; justify-content:center;
  padding:5vh 5vw;
  z-index:100;
  opacity:0; pointer-events:none;
  transition:opacity .25s ease;
}
.lightbox.is-open{ opacity:1; pointer-events:auto; }
.lightbox img{ max-height:90vh; max-width:90vw; border-radius:6px; }
.lightbox-close{
  position:absolute; top:22px; right:28px;
  background:none; border:none; color:var(--white);
  font-size:2.4rem; line-height:1; cursor:pointer;
}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ---------- Stone texture overlay ---------- */
.stone-texture{
  position:fixed; inset:0; pointer-events:none; z-index:1000;
  opacity:.025;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero-inner{ grid-template-columns:1fr; }
  .hero-media{ order:-1; max-width:420px; margin:0 auto; }
  .sobre-grid,.especiais-grid,.faq-grid,.orc-grid{ grid-template-columns:1fr; gap:40px; }
  .especiais-media{ order:-1; }
  .footer-inner{ grid-template-columns:1fr; gap:32px; }
}

@media(max-width:760px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .header-inner{ flex-wrap:wrap; }
  .btn-header{ display:none; }
  body.nav-open .main-nav{
    display:flex; flex-direction:column;
    position:absolute; top:76px; left:0; right:0;
    background:var(--stone); padding:20px 24px 28px;
    border-bottom:1px solid rgba(33,28,23,.1);
    gap:16px;
  }
  .section{ padding:72px 0; }
  .stats-grid{ margin-top:-48px; flex-direction:column; gap:24px; }
  .stat-divider{ display:none; }
}