/* ============================================================
   Stonework Marmoraria — site institucional
   Paleta: vinho #5A1B27 · grafite #14100F · off-white #F6F2EC
   ============================================================ */

:root{
  --ink:#14100F;
  --ink-2:#1D1917;
  --ink-3:#2A2422;
  --wine:#5A1B27;
  --wine-hi:#7B2A3A;
  --cream:#F6F2EC;
  --cream-2:#EFE9E0;
  --sand:#E0D5C7;
  --taupe:#8B7E73;
  --txt:#241E1C;
  --txt-soft:#5F5651;
  --line:rgba(20,16,15,.14);
  --line-dark:rgba(246,242,236,.16);
  --serif:"Cormorant Garamond", "Times New Roman", Georgia, serif;
  --sans:"Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wrap:1200px;
  --r:2px;
  --shadow:0 30px 60px -30px rgba(20,16,15,.35);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}
body{
  margin:0;
  background:var(--cream);
  color:var(--txt);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{margin:0;font-family:var(--serif);font-weight:500;letter-spacing:-.01em;line-height:1.08;color:var(--ink)}
p{margin:0 0 1rem}
::selection{background:var(--wine);color:#fff}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:28px}
.wrap--narrow{max-width:820px}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;z-index:200}
.skip:focus{left:12px;top:12px}

/* ---------- botões ---------- */
.btn{
  --bg:var(--ink); --fg:#fff;
  display:inline-flex;align-items:center;gap:.6rem;
  padding:15px 26px;border:1px solid transparent;border-radius:var(--r);
  background:var(--bg);color:var(--fg);
  font-family:var(--sans);font-size:.82rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;
  text-decoration:none;cursor:pointer;
  transition:transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.btn svg{width:19px;height:19px;fill:currentColor;flex:none}
.btn:hover{transform:translateY(-2px)}
.btn--wine{--bg:var(--wine)}
.btn--wine:hover{--bg:var(--wine-hi)}
.btn--ghost{
  --bg:transparent;--fg:var(--ink);
  border-color:rgba(20,16,15,.35);
}
.btn--ghost:hover{--bg:var(--ink);--fg:#fff;border-color:var(--ink)}
.btn--full{width:100%;justify-content:center}

.link{
  color:var(--wine);text-decoration:none;border-bottom:1px solid rgba(90,27,39,.3);
  font-size:.9rem;font-weight:500;transition:border-color .2s,color .2s;
}
.link:hover{color:var(--wine-hi);border-color:var(--wine-hi)}

/* ---------- header ---------- */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:90;
  background:rgba(20,16,15,.0);
  transition:background .35s ease, box-shadow .35s ease, padding .35s ease;
  padding-block:18px;
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.topbar.is-stuck{background:rgba(20,16,15,.96);box-shadow:0 12px 30px -20px #000;padding-block:10px}
.topbar.is-stuck .brand__text strong,
.topbar.is-stuck .nav a:not(.btn){color:var(--cream)}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
.brand__mark{width:46px;height:46px;border-radius:50%;flex:none}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__text strong{
  font-family:var(--sans);font-size:.95rem;font-weight:600;letter-spacing:.24em;
  color:#fff;transition:color .3s;
}
.brand__text small{
  font-size:.63rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(246,242,236,.62);margin-top:6px;
}

.nav{display:flex;align-items:center;gap:26px}
.nav a:not(.btn){
  color:rgba(246,242,236,.86);text-decoration:none;
  font-size:.78rem;letter-spacing:.10em;text-transform:uppercase;font-weight:500;
  padding-block:6px;position:relative;transition:color .25s;
}
.nav a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--wine-hi);
  transition:width .3s ease;
}
.nav a:not(.btn):hover{color:#fff}
.nav a:not(.btn):hover::after{width:100%}
.nav__cta{padding:12px 20px;font-size:.72rem;background:var(--wine)}
.nav__cta svg{display:none}
.nav__cta:hover{background:var(--wine-hi)}

.burger{
  display:none;width:44px;height:44px;border:1px solid rgba(246,242,236,.3);background:transparent;
  border-radius:var(--r);cursor:pointer;padding:11px;flex-direction:column;justify-content:space-between;
}
.burger span{display:block;height:1.5px;background:#fff;transition:transform .3s,opacity .3s}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--cream);
  padding:150px 0 0;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 600px at 78% 18%, rgba(90,27,39,.55), transparent 65%),
    radial-gradient(700px 500px at 12% 90%, rgba(90,27,39,.22), transparent 70%);
  pointer-events:none;
}
.hero__grid{
  position:relative;display:grid;grid-template-columns:1.05fr .82fr;gap:64px;align-items:center;
  padding-bottom:70px;
}
.hero__copy h1{color:#fff;font-size:clamp(2.5rem,4.6vw,3.95rem);margin:.4rem 0 1.4rem;max-width:19ch;text-wrap:balance}
.hero__copy h1 em{font-style:italic;color:#E8C9B8;white-space:nowrap}
.hero .eyebrow{color:rgba(246,242,236,.72)}
.hero .eyebrow span{background:var(--wine-hi)}
.lede{color:rgba(246,242,236,.80);font-size:1.06rem;max-width:46ch;line-height:1.72}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:2rem}
.hero .btn--ghost{--fg:#F6F2EC;border-color:rgba(246,242,236,.4)}
.hero .btn--ghost:hover{--bg:#F6F2EC;--fg:var(--ink);border-color:#F6F2EC}

.hero__proof{
  list-style:none;display:grid;grid-template-columns:repeat(3,1fr);margin:3rem 0 0;padding:0;
  border-top:1px solid var(--line-dark);
}
.hero__proof li{
  padding:18px 26px 0 0;margin-right:0;border-right:1px solid var(--line-dark);
}
.hero__proof li:last-child{border-right:0;padding-right:0}
.hero__proof strong{
  display:block;font-family:var(--serif);font-size:1.42rem;font-weight:500;color:#fff;line-height:1.1;
}
.hero__proof span{font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;color:rgba(246,242,236,.55)}

.hero__media{position:relative;margin:0}
.hero__media img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r);
  box-shadow:0 40px 80px -40px rgba(0,0,0,.9);
}
.hero__media::after{
  content:"";position:absolute;inset:14px -14px -14px 14px;border:1px solid rgba(246,242,236,.28);
  border-radius:var(--r);pointer-events:none;z-index:-1;
}
.hero__media figcaption{
  position:absolute;left:0;bottom:0;right:0;
  padding:14px 18px;
  background:linear-gradient(to top, rgba(20,16,15,.88), rgba(20,16,15,0));
  font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(246,242,236,.85);
}
.hero__rule{position:relative;height:1px;background:var(--line-dark)}

/* ---------- faixa ---------- */
.strip{background:var(--ink-2);color:var(--cream);border-top:1px solid var(--line-dark)}
.strip__inner{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:26px;
}
.strip p{
  margin:0;font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(246,242,236,.72);
  display:flex;gap:12px;align-items:baseline;
}
.strip span{font-family:var(--serif);color:#E8C9B8;font-size:.95rem}

/* ---------- seções ---------- */
.section{padding:110px 0;scroll-margin-top:80px}
.section--alt{background:var(--cream-2)}
.section--dark{background:var(--ink);color:rgba(246,242,236,.82)}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark .section__intro{color:rgba(246,242,236,.7)}
.section--dark .eyebrow{color:rgba(246,242,236,.65)}
.section--dark .eyebrow span{background:var(--wine-hi)}

.section__head{max-width:760px;margin-bottom:56px}
.section__head h2{font-size:clamp(2rem,3.7vw,3.05rem);margin-bottom:1rem}
.section__intro{color:var(--txt-soft);font-size:1.02rem;line-height:1.75;max-width:62ch;margin:0}
.section__foot{margin-top:34px}
.section__foot a{
  color:inherit;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;
  border-bottom:1px solid currentColor;padding-bottom:3px;
}
.eyebrow{
  display:flex;align-items:center;gap:12px;
  font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;font-weight:500;
  color:var(--taupe);margin:0 0 1.1rem;
}
.eyebrow span{display:block;width:34px;height:1px;background:var(--wine);flex:none}

/* ---------- grids e cards ---------- */
.grid{display:grid;gap:26px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--materiais{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(90,27,39,.35)}

.card--material img{aspect-ratio:1/1;object-fit:cover;width:100%;transition:transform .8s ease}
.card--material:hover img{transform:scale(1.05)}
.card__body{padding:22px 24px 26px}
.card__body h3{font-size:1.42rem;margin-bottom:.45rem}
.card__body p{margin:0;color:var(--txt-soft);font-size:.94rem;line-height:1.65}

.card--plain{padding:32px 30px 34px;background:transparent;border:1px solid var(--line);border-radius:var(--r)}
.card--plain:hover{background:#fff}
.card--plain h3{font-size:1.36rem;margin:1.1rem 0 .5rem}
.card--plain p{margin:0;color:var(--txt-soft);font-size:.94rem}
.ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border:1px solid rgba(90,27,39,.35);border-radius:50%;color:var(--wine);
}
.ico svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}

/* ---------- passos ---------- */
.steps{
  list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);
}
.steps li{padding:30px 30px 0 0;border-right:1px solid var(--line)}
.steps li:last-child{border-right:0}
.steps__num{
  font-family:var(--serif);font-size:1rem;color:var(--wine);letter-spacing:.1em;display:block;margin-bottom:12px;
}
.steps h3{font-size:1.3rem;margin-bottom:.45rem}
.steps p{color:var(--txt-soft);font-size:.93rem;margin:0}
.steps__note{margin:44px 0 0;font-size:.95rem;color:var(--txt-soft)}
.steps__note a{color:var(--wine);font-weight:500;text-decoration:none;border-bottom:1px solid rgba(90,27,39,.35)}

/* ---------- galeria ---------- */
.galeria{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.galeria__item{
  position:relative;margin:0;overflow:hidden;border-radius:var(--r);background:#000;
}
.galeria__item img{
  width:100%;height:100%;object-fit:cover;aspect-ratio:1/1;
  transition:transform .9s cubic-bezier(.2,.7,.2,1), opacity .4s;
  opacity:.95;
}
.galeria__item--tall img{aspect-ratio:4/5}
.galeria__item:hover img{transform:scale(1.05);opacity:1}
.galeria__item figcaption{
  position:absolute;inset:auto 0 0 0;padding:26px 22px 20px;
  background:linear-gradient(to top, rgba(20,16,15,.92) 8%, rgba(20,16,15,.0));
  display:flex;flex-direction:column;gap:3px;
}
.galeria__item strong{
  font-family:var(--serif);font-size:1.2rem;font-weight:500;color:#fff;line-height:1.15;
}
.galeria__item span{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(246,242,236,.6)}
.galeria__note{
  margin:26px 0 0;font-size:.76rem;color:rgba(246,242,236,.42);letter-spacing:.02em;max-width:80ch;
}

/* ---------- depoimentos ---------- */
.quote{
  margin:0;padding:34px 30px 30px;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  display:flex;flex-direction:column;
}
.quote__stars{color:#B9822F;letter-spacing:.18em;font-size:.9rem;margin-bottom:14px}
.quote p{
  font-family:var(--serif);font-size:1.28rem;line-height:1.5;color:var(--ink);margin:0 0 22px;
  flex:1;
}
.quote footer{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:16px}
.quote strong{font-family:var(--sans);font-size:.86rem;font-weight:600;letter-spacing:.02em}
.quote footer span{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--taupe)}

/* ---------- sobre ---------- */
.sobre{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.sobre h2{font-size:clamp(1.9rem,3.4vw,2.85rem);margin-bottom:1.2rem}
.sobre p{color:var(--txt-soft);line-height:1.78}
.sobre__list{list-style:none;margin:2rem 0 0;padding:0;border-top:1px solid var(--line)}
.sobre__list li{display:flex;flex-direction:column;gap:2px;padding:16px 0;border-bottom:1px solid var(--line)}
.sobre__list strong{font-size:.9rem;font-weight:600;color:var(--ink)}
.sobre__list span{font-size:.82rem;color:var(--taupe);letter-spacing:.02em}
.sobre__media{margin:0;position:relative}
.sobre__media img{aspect-ratio:4/5;object-fit:cover;border-radius:var(--r);box-shadow:var(--shadow)}

/* ---------- contato ---------- */
.contato{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.contato h2{font-size:clamp(2rem,3.6vw,3rem);margin-bottom:1rem}
.contato__list{list-style:none;margin:36px 0 0;padding:0;display:grid;gap:24px}
.contato__label{
  display:block;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--taupe);margin-bottom:6px;
}
.contato__list p{margin:0 0 8px;font-size:.98rem;line-height:1.6;color:var(--ink)}
.contato__list p a{text-decoration:none;border-bottom:1px solid rgba(90,27,39,.25)}

.contato__form form{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 30px;
  display:grid;gap:14px;
}
.contato__form h3{font-size:1.55rem;margin-bottom:.2rem}
.form__hint{margin:0 0 6px;font-size:.85rem;color:var(--taupe)}
label{display:grid;gap:6px;font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;color:var(--taupe);font-weight:500}
input,select,textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r);background:var(--cream);
  font-family:var(--sans);font-size:.94rem;color:var(--txt);letter-spacing:normal;text-transform:none;
  transition:border-color .2s, background .2s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--wine);background:#fff}
textarea{resize:vertical;min-height:88px}
.form__small{margin:2px 0 0;font-size:.74rem;color:var(--taupe);line-height:1.5}

.mapa{margin-top:22px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--sand)}
.mapa iframe{display:block;width:100%;height:300px;border:0;filter:grayscale(.35) contrast(1.02)}
.mapa__link{
  display:block;padding:12px 16px;background:#fff;border-top:1px solid var(--line);
  font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;color:var(--wine);
  transition:background .2s;
}
.mapa__link:hover{background:var(--cream)}

/* ---------- faq ---------- */
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{
  cursor:pointer;list-style:none;font-family:var(--serif);font-size:1.3rem;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:20px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-family:var(--sans);font-size:1.3rem;color:var(--wine);line-height:1;transition:transform .25s;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:12px 0 0;color:var(--txt-soft);font-size:.96rem;max-width:62ch}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:rgba(246,242,236,.66);padding:70px 0 30px}
.footer__inner{
  display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:48px;align-items:start;
  padding-bottom:44px;border-bottom:1px solid var(--line-dark);
}
.footer__brand{display:flex;gap:16px;align-items:flex-start}
.footer__brand img{width:56px;height:56px;border-radius:50%;flex:none}
.footer__brand strong{
  display:block;font-size:.92rem;letter-spacing:.24em;color:#fff;font-weight:600;margin-bottom:8px;
}
.footer__brand p{margin:0;font-size:.83rem;line-height:1.6;color:rgba(246,242,236,.55)}
.footer__nav{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}
.footer__nav a,.footer__contact a{
  color:rgba(246,242,236,.7);text-decoration:none;font-size:.85rem;transition:color .2s;
}
.footer__nav a:hover,.footer__contact a:hover{color:#fff}
.footer__contact{display:grid;gap:10px}
.footer__legal{padding-top:24px;display:grid;gap:10px}
.footer__legal p{margin:0;font-size:.72rem;line-height:1.7;color:rgba(246,242,236,.4);max-width:100ch}
.footer__credits a{color:rgba(246,242,236,.6)}

/* ---------- whatsapp flutuante ---------- */
.whatsapp-float{
  position:fixed;right:22px;bottom:22px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 20px;border-radius:50px;
  background:var(--wine);color:#fff;text-decoration:none;
  font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;font-weight:500;
  box-shadow:0 16px 36px -14px rgba(90,27,39,.9);
  transition:transform .25s ease, background .25s ease;
}
.whatsapp-float svg{width:20px;height:20px;fill:currentColor}
.whatsapp-float:hover{transform:translateY(-3px);background:var(--wine-hi)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsivo ---------- */
@media (max-width:1080px){
  .grid--materiais{grid-template-columns:repeat(2,1fr)}
  .hero__grid{gap:44px}
  .sobre{grid-template-columns:1fr;gap:40px}
  .sobre__media{max-width:520px}
  .contato{grid-template-columns:1fr;gap:44px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps li:nth-child(2){border-right:0}
  .steps li{padding-bottom:30px}
}

@media (max-width:900px){
  .nav{
    position:fixed;inset:0 0 auto 0;top:0;padding:96px 28px 32px;
    background:rgba(20,16,15,.98);
    flex-direction:column;align-items:flex-start;gap:6px;
    transform:translateY(-102%);transition:transform .4s ease;
    box-shadow:0 30px 60px -30px #000;
  }
  .nav.is-open{transform:none}
  .nav a:not(.btn){font-size:.95rem;padding:12px 0;width:100%;border-bottom:1px solid rgba(246,242,236,.1)}
  .nav__cta{margin-top:18px;width:100%;justify-content:center;font-size:.8rem;padding:16px}
  .burger{display:flex}
  .burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.is-open span:nth-child(2){opacity:0}
  .burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .hero{padding-top:120px}
  .hero__grid{grid-template-columns:1fr}
  .hero__media{order:-1;max-width:420px}
  .hero__copy h1{max-width:none}
  .strip__inner{grid-template-columns:1fr 1fr;gap:14px 20px}
  .strip p{font-size:.68rem}
  .grid--3{grid-template-columns:1fr 1fr}
  .galeria{grid-template-columns:1fr 1fr}
  .footer__inner{grid-template-columns:1fr;gap:32px}
  .section{padding:80px 0}
}

@media (max-width:620px){
  body{font-size:16px}
  .wrap{padding-inline:20px}
  .hero{padding-top:104px}
  .hero__copy h1{font-size:clamp(2.05rem,8.4vw,2.7rem)}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{justify-content:center}
  .hero__proof{grid-template-columns:1fr}
  .hero__proof li{border-right:0;margin:0;padding:14px 0;border-bottom:1px solid var(--line-dark)}
  .hero__proof li:last-child{border-bottom:0}
  .card--material img{aspect-ratio:4/3}
  .strip__inner{grid-template-columns:1fr}
  .grid--3,.grid--materiais,.galeria{grid-template-columns:1fr}
  .galeria__item img{aspect-ratio:4/3}
  .galeria__item--tall img{aspect-ratio:4/5}
  .steps{grid-template-columns:1fr}
  .steps li{border-right:0;border-bottom:1px solid var(--line);padding-right:0}
  .steps li:last-child{border-bottom:0}
  .section__head{margin-bottom:36px}
  .quote p{font-size:1.18rem}
  .contato__form form{padding:24px 20px}
  .whatsapp-float span{display:none}
  .whatsapp-float{padding:15px;border-radius:50%}
  .brand__text small{display:none}
  .footer__nav{grid-template-columns:1fr 1fr}
}