/* ==========================================================================
   Buenos Marmo, Landing Page
   Marmoraria de alto padrão · Campinas/SP
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

:root{
  /* palette: pedida pelo cliente (preto, bege, cinza e dourado, foco em preto, bege e dourado) */
  --graphite:      #16130F;
  --graphite-2:    #201B14;
  --graphite-3:    #2A241B;
  --line-dark:     rgba(201,165,80,0.22);
  --cream:         #F6F1E7;
  --stone:         #EFE9DA;
  --stone-2:       #E4DCC8;
  --ink:           #221E17;
  --ink-soft:      #4A4335;
  --gold:          #B8944B;
  --gold-bright:   #DDB863;
  --gold-deep:     #8E6E32;
  --paper:         #FBF8F1;

  --font-display: 'Poppins', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1180px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --radius: 28px;

  --ease: cubic-bezier(.22,.68,0,1);
  --dur: .7s;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width: 100%; height: auto; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; cursor: pointer; }
input, select, textarea{ font-family: inherit; font-size: 1rem; }

::selection{ background: var(--gold); color: var(--graphite); }

:focus-visible{ outline: 2px solid var(--gold); outline-offset: 3px; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.12;
  margin: 0;
  letter-spacing: -.01em;
}

.container{
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

.section{ padding-block: clamp(4rem, 9vw, 7.5rem); }
.section--dark{ background: var(--graphite); color: var(--stone); }
.section--cream{ background: var(--cream); color: var(--ink); }
.section--paper{ background: var(--paper); color: var(--ink); }

.section-head{
  max-width: 640px;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}
.section-head.center{ margin-inline: auto; text-align: center; }
.kicker{
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: .8rem;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 1rem;
}
.kicker::before{
  content: '';
  width: 26px; height: 1px;
  background: var(--gold);
  display: inline-block;
}
.section-head h2{ font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
.section-head p{ margin-top: 1.1rem; font-size: 1.05rem; color: var(--ink-soft); }
.section--dark .section-head p{ color: #C9C0AC; }

.eyebrow-line{
  display:flex; align-items:center; gap:.9rem;
  color: var(--gold-bright); font-size:.78rem; font-weight:600;
}
.eyebrow-line span.rule{ width:34px; height:1px; background:var(--gold); display:inline-block; }

/* ---------- buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .95rem 1.7rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .96rem;
  border: 1px solid transparent;
  transition: transform .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease), color .35s var(--ease);
  white-space: nowrap;
}
.btn svg{ width: 18px; height: 18px; flex: none; }
.btn-gold{
  background: linear-gradient(135deg, var(--gold-bright), var(--gold-deep));
  color: #1B160D;
}
.btn-gold:hover{ transform: translateY(-2px); box-shadow: 0 14px 28px -12px rgba(184,148,75,.55); }
.btn-outline{
  border-color: rgba(246,241,231,.35);
  color: var(--stone);
}
.btn-outline:hover{ border-color: var(--gold-bright); color: var(--gold-bright); transform: translateY(-2px); }
.btn-outline-dark{
  border-color: rgba(34,30,23,.3);
  color: var(--ink);
}
.btn-outline-dark:hover{ border-color: var(--gold-deep); color: var(--gold-deep); transform: translateY(-2px); }
.btn-block{ width: 100%; justify-content: center; }
.btn[disabled]{ opacity: .45; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ---------- header ---------- */
.site-header{
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  padding-block: 1.1rem;
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; gap: 1.5rem; }
.site-header::before{
  content:'';
  position:absolute; inset:0;
  background: rgba(22,19,15,0);
  backdrop-filter: blur(0px);
  transition: background .4s var(--ease), backdrop-filter .4s var(--ease);
  z-index:-1;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled::before{
  background: rgba(22,19,15,.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(221,184,99,.14);
}
.site-header.is-scrolled{ padding-block: .7rem; }

.brand{ display:flex; align-items:center; gap:.7rem; }
.brand img{ height: 32px; width:auto; }
.brand-word{ font-family: var(--font-display); color: var(--stone); font-size: 1.05rem; letter-spacing:.03em; line-height:1.1; }
.brand-word small{ display:block; font-family: var(--font-body); font-size:.6rem; letter-spacing:.18em; color: var(--gold-bright); font-weight:700; margin-top:.15rem; }

.main-nav{ display:flex; align-items:center; gap:2.1rem; }
.main-nav a{
  color: rgba(246,241,231,.82);
  font-size: .92rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 3px;
}
.main-nav a::after{
  content:''; position:absolute; left:0; right:100%; bottom:0; height:1px; background:var(--gold-bright);
  transition: right .35s var(--ease);
}
.main-nav a:hover::after{ right:0; }
.main-nav a:hover{ color:#fff; }

.header-cta{ display:flex; align-items:center; gap: 1rem; }
.nav-toggle{
  display:none; width: 42px; height: 42px; border:1px solid rgba(246,241,231,.3); background:none; border-radius: var(--radius);
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:''; position:absolute; left:50%; top:50%; width: 18px; height:1px; background: var(--stone);
  transform: translate(-50%,-50%);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-toggle span::before{ transform: translate(-50%, -6px); }
.nav-toggle span::after{ transform: translate(-50%, 6px); }
.nav-toggle.is-open span{ background: transparent; }
.nav-toggle.is-open span::before{ transform: translate(-50%,-50%) rotate(45deg); }
.nav-toggle.is-open span::after{ transform: translate(-50%,-50%) rotate(-45deg); }

/* ---------- hero ---------- */
.hero{
  position: relative;
  background: var(--graphite);
  color: var(--stone);
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}
.hero-grid{
  display: grid;
  grid-template-columns: minmax(0,1.18fr) minmax(0,.9fr);
  width: 100%;
}
.hero-copy{
  display:flex; flex-direction:column; justify-content:center;
  padding: clamp(7rem,14vh,9rem) clamp(1.5rem,5vw,4.5rem) clamp(3rem,6vh,4rem) clamp(1.5rem,5vw,4.5rem);
  position: relative;
  z-index: 2;
}
.hero-copy .eyebrow-line{ margin-bottom: 1.6rem; }
.hero h1{
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: #fff;
  max-width: 15ch;
}
.hero h1 em{ font-style: italic; color: var(--gold-bright); font-weight: 400; }
.hero-lede{
  margin-top: 1.6rem;
  max-width: 46ch;
  font-size: 1.08rem;
  color: #CFC6B3;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap: 1rem; margin-top: 2.4rem; }
.hero-facts{
  display:flex; flex-wrap: wrap; gap: 2.2rem;
  margin-top: 3.4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(246,241,231,.14);
}
.hero-facts div{ font-size:.9rem; color:#B9AF98; max-width: 20ch; }
.hero-facts strong{ display:block; font-family: var(--font-display); font-size: 1.05rem; color: var(--gold-bright); font-weight: 500; margin-bottom:.3rem; }

.hero-media{ position: relative; overflow: hidden; min-height: 340px; }
.hero-media img{
  position:absolute; inset:0; width:100%; height:100%; object-fit: cover; object-position: center 30%;
}
.hero-media::after{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(100deg, rgba(22,19,15,.92) 0%, rgba(22,19,15,.35) 24%, rgba(22,19,15,0) 46%), linear-gradient(0deg, rgba(22,19,15,.55), rgba(22,19,15,0) 40%);
}
.hero-media::before{
  content:'';
  position:absolute; left:0; top:0; bottom:0; width:2px;
  background: linear-gradient(180deg, transparent, var(--gold-bright), transparent);
  z-index:3; opacity:.7;
}
.hero-caption{
  position:absolute; left: 2rem; bottom: 2rem; z-index:3;
  color:#EFE7D4; font-size:.82rem; letter-spacing:.03em;
  border-left: 1px solid var(--gold-bright); padding-left: .8rem;
  max-width: 20ch;
}

.scroll-cue{
  position:absolute; left: clamp(1.5rem,5vw,4.5rem); bottom: 1.6rem; z-index:4;
  display:flex; align-items:center; gap:.6rem; color:#B9AF98; font-size:.76rem; letter-spacing:.06em;
}
.scroll-cue .line{ width: 30px; height:1px; background: #B9AF98; position:relative; overflow:hidden; }
.scroll-cue .line::after{
  content:''; position:absolute; inset:0; background: var(--gold-bright);
  animation: cue 2.2s var(--ease) infinite;
}
@keyframes cue{ 0%{ transform: translateX(-100%);} 50%{ transform: translateX(0);} 100%{ transform: translateX(100%);} }

/* ---------- sobre ---------- */
.sobre-grid{
  display:grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(2.5rem,6vw,5rem);
  align-items:center;
}
.sobre-media{ position:relative; }
.sobre-media img{ width:100%; border-radius: var(--radius); }
.sobre-media::before{
  content:''; position:absolute; inset: -18px -18px auto auto; width: 62%; height: 62%;
  border: 1px solid var(--gold); z-index:-1;
}
.sobre-text .kicker{ color: var(--gold-deep); }
.sobre-text .kicker::before{ background: var(--gold-deep); }
.sobre-text h2{ font-size: clamp(1.9rem,3.4vw,2.7rem); color: var(--ink); }
.sobre-text p{ margin-top: 1.3rem; color: var(--ink-soft); font-size: 1.04rem; max-width: 54ch; }
.sobre-text p + p{ margin-top: 1rem; }

/* ---------- processo ---------- */
.processo{ position: relative; }
.processo-list{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem,4vw,3rem);
  margin-top: 1rem; position: relative;
}
.processo-list::before{
  content:''; position:absolute; top: 26px; left: 8%; right: 8%; height:1px;
  background: repeating-linear-gradient(90deg, rgba(221,184,99,.4) 0 8px, transparent 8px 16px);
}
.processo-step{ position:relative; z-index:1; }
.processo-num{
  width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid var(--gold);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); color: var(--gold-bright); font-size: 1.15rem;
  background: var(--graphite);
  margin-bottom: 1.4rem;
}
.processo-step h3{ color:#fff; font-size: 1.28rem; font-weight:500; }
.processo-step p{ margin-top: .7rem; color:#B9AF98; font-size: .96rem; max-width: 32ch; }

/* ---------- servicos ---------- */
.servicos-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}
.servico-card{
  position:relative;
  border-radius: var(--radius);
  overflow:hidden;
  aspect-ratio: 4/5;
  isolation:isolate;
}
.servico-card:nth-child(1){ grid-column: span 2; grid-row: span 2; }
.servico-card:nth-child(4){ grid-column: span 2; }
.servico-card img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  transition: transform 1.1s var(--ease);
}
.servico-card::after{
  content:''; position:absolute; inset:0; pointer-events:none;
  background: linear-gradient(0deg, rgba(17,14,10,.92) 0%, rgba(17,14,10,.32) 45%, rgba(17,14,10,.05) 70%);
}
.servico-card:hover img{ transform: scale(1.06); }
.servico-body{
  position:absolute; left:0; right:0; bottom:0; z-index:2; pointer-events:none;
  padding: 1.6rem 1.6rem 1.8rem;
}
.servico-tag{ color: var(--gold-bright); font-size:.72rem; font-weight:700; letter-spacing:.12em; }
.servico-body h3{ color:#fff; font-size: clamp(1.15rem,1.6vw,1.5rem); margin-top:.5rem; font-weight:500; max-width: 18ch; }
.servico-body p{ color:#D8D0BC; font-size:.88rem; margin-top:.5rem; max-width: 30ch; opacity:0; max-height:0; overflow:hidden; transition: opacity .4s var(--ease), max-height .4s var(--ease), margin-top .4s var(--ease); }
.servico-card:hover .servico-body p{ opacity:1; max-height: 6rem; margin-top:.6rem; }

.also-list{ margin-top: clamp(2.2rem,5vw,3.2rem); }
.also-list-label{ font-size:.85rem; color: var(--ink-soft); margin-bottom: 1rem; }
.chip-row{ display:flex; flex-wrap:wrap; gap:.6rem; }
.chip{
  padding: .5rem 1rem;
  border: 1px solid var(--stone-2);
  border-radius: 999px;
  font-size:.85rem;
  color: var(--ink-soft);
  background: var(--paper);
  transition: border-color .3s var(--ease), color .3s var(--ease);
}
.chip:hover{ border-color: var(--gold); color: var(--gold-deep); }

/* ---------- diferenciais ---------- */
.dif-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 0 clamp(2rem,5vw,4rem); }
.dif-item{
  padding: 1.9rem 0;
  border-top: 1px solid rgba(246,241,231,.14);
  display:grid; grid-template-columns: auto 1fr; gap: 1.4rem; align-items:flex-start;
}
.dif-item:nth-last-child(-n+1){ border-bottom: 1px solid rgba(246,241,231,.14); }
.dif-mark{ width: 9px; height:9px; margin-top:.5rem; background: var(--gold-bright); transform: rotate(45deg); flex:none; }
.dif-item h3{ color:#fff; font-size:1.18rem; font-weight:500; }
.dif-item p{ margin-top:.5rem; color:#B9AF98; font-size:.95rem; max-width: 42ch; }

/* ---------- publico ---------- */
.publico-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem,4vw,2.5rem); }
.publico-card{
  background: var(--paper);
  border: 1px solid var(--stone-2);
  padding: clamp(2rem,4vw,2.8rem);
  border-radius: var(--radius);
}
.publico-card .num{ font-family: var(--font-display); font-size:.9rem; color: var(--gold-deep); }
.publico-card h3{ margin-top: 1rem; font-size: 1.5rem; color: var(--ink); }
.publico-card p{ margin-top: 1rem; color: var(--ink-soft); font-size: .98rem; }

/* ---------- faq ---------- */
.faq-list{ max-width: 820px; margin-inline:auto; }
.faq-item{ border-bottom: 1px solid var(--stone-2); }
.faq-q{
  width:100%; text-align:left; background:none; border:none;
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding: 1.5rem .2rem; color: var(--ink); font-size: 1.08rem; font-family: var(--font-display); font-weight:500;
}
.faq-q .plus{
  flex:none; width:24px; height:24px; position:relative;
}
.faq-q .plus::before, .faq-q .plus::after{
  content:''; position:absolute; background: var(--gold-deep); left:50%; top:50%; transform:translate(-50%,-50%);
}
.faq-q .plus::before{ width:14px; height:1px; }
.faq-q .plus::after{ width:1px; height:14px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.faq-item.is-open .faq-q .plus::after{ transform:translate(-50%,-50%) rotate(90deg); opacity:0; }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .45s var(--ease); }
.faq-a p{ padding: 0 .2rem 1.6rem; color: var(--ink-soft); max-width: 62ch; font-size:.99rem; }

/* ---------- cta final + form ---------- */
.cta-final{ position:relative; }
.cta-grid{ display:grid; grid-template-columns: 1fr .95fr; gap: clamp(2.5rem,6vw,5rem); }
.cta-copy h2{ font-size: clamp(2rem,3.6vw,2.8rem); color:#fff; max-width: 13ch; }
.cta-copy p{ margin-top: 1.4rem; color:#B9AF98; max-width: 44ch; font-size: 1.03rem; }
.cta-info{ margin-top: 2.6rem; display:flex; flex-direction:column; gap: 1.1rem; }
.cta-info-item{ display:flex; gap: .9rem; align-items:flex-start; }
.cta-info-item svg{ width:19px; height:19px; flex:none; margin-top:.15rem; stroke: var(--gold-bright); }
.cta-info-item span{ color:#CFC6B3; font-size:.95rem; }
.cta-info-item strong{ display:block; color:#fff; font-weight:600; margin-bottom:.15rem; font-size:.95rem; }

.form-card{
  background: var(--graphite-2);
  border: 1px solid rgba(221,184,99,.18);
  padding: clamp(1.8rem,4vw,2.6rem);
  border-radius: var(--radius);
}
.form-card h3{ color:#fff; font-size:1.3rem; font-weight:500; }
.form-card > p{ color:#A79E88; font-size:.9rem; margin-top:.5rem; }
.field{ margin-top: 1.3rem; }
.field label{ display:block; font-size:.82rem; color:#C9C0AC; margin-bottom:.5rem; }
.field input, .field select, .field textarea{
  width:100%;
  background: rgba(246,241,231,.05);
  border: 1px solid rgba(246,241,231,.18);
  color: #fff;
  padding: .85rem .95rem;
  border-radius: var(--radius);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.field input::placeholder, .field textarea::placeholder{ color: #746C5B; }
.field input:focus, .field select:focus, .field textarea:focus{
  border-color: var(--gold-bright); background: rgba(246,241,231,.08); outline:none;
}
.field select{ appearance:none; background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3e%3cpath d='M1 1l6 6 6-6' stroke='%23DDB863' stroke-width='1.4' fill='none'/%3e%3c/svg%3e"); background-repeat:no-repeat; background-position: right 1rem center; }
.field select option{ background: var(--graphite); color: #fff; }
.field textarea{ resize: vertical; min-height: 96px; }
.form-note{ font-size:.78rem; color:#746C5B; margin-top: 1rem; }
.form-actions{ margin-top: 1.5rem; }

/* ---------- lightbox ---------- */
.lightbox{
  position: fixed; inset:0; z-index: 200;
  background: rgba(15,13,9,.94);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition: opacity .35s var(--ease);
  padding: 4vh 4vw;
}
.lightbox.is-open{ opacity:1; visibility:visible; }
.lightbox img{ max-width: 100%; max-height: 88vh; border: 1px solid rgba(221,184,99,.3); }
.lightbox-close{
  position:absolute; top: 1.6rem; right: 1.6rem;
  width: 44px; height:44px; border-radius:50%;
  border:1px solid rgba(246,241,231,.3); background:none;
  display:flex; align-items:center; justify-content:center;
}
.lightbox-close svg{ width:18px; height:18px; stroke:#fff; }

/* ---------- footer ---------- */
.site-footer{ background: var(--graphite); color:#B9AF98; padding-block: clamp(3.5rem,7vw,5rem) 2rem; border-top: 1px solid rgba(221,184,99,.14); }
.footer-grid{ display:grid; grid-template-columns: 1.3fr .8fr .8fr 1fr; gap: clamp(2rem,4vw,3rem); }
.footer-brand img{ height: 62px; width:auto; margin-bottom: 1.3rem; }
.footer-brand p{ font-size:.92rem; max-width: 30ch; line-height:1.7; }
.footer-col h4{ font-family: var(--font-body); font-size:.78rem; letter-spacing:.1em; color:#DDD3BC; margin-bottom:1.1rem; font-weight:700; }
.footer-col ul li{ margin-bottom:.7rem; }
.footer-col a{ font-size:.92rem; transition: color .3s var(--ease); }
.footer-col a:hover{ color: var(--gold-bright); }
.footer-social{ display:flex; gap:.8rem; margin-top: 1.4rem; }
.footer-social a{
  width:38px; height:38px; border:1px solid rgba(246,241,231,.2); border-radius:50%;
  display:flex; align-items:center; justify-content:center; transition: border-color .3s var(--ease), background .3s var(--ease);
}
.footer-social a:hover{ border-color: var(--gold-bright); background: rgba(221,184,99,.08); }
.footer-social svg{ width:16px; height:16px; stroke: var(--stone); }
.footer-bottom{
  margin-top: clamp(3rem,5vw,4rem);
  padding-top: 1.8rem;
  border-top: 1px solid rgba(246,241,231,.1);
  display:flex; flex-wrap:wrap; gap:1rem; align-items:center; justify-content:space-between;
  font-size:.82rem; color:#746C5B;
}
.footer-bottom a{ color:#9C927C; }
.footer-bottom a:hover{ color: var(--gold-bright); }

/* ---------- whatsapp float ---------- */
.wa-float{
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 80;
  width: 58px; height:58px; border-radius:50%;
  background: linear-gradient(135deg,#2FBE5A,#1F9E47);
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 12px 28px -8px rgba(31,158,71,.55);
  transition: transform .35s var(--ease);
}
.wa-float:hover{ transform: scale(1.07); }
.wa-float svg{ width:27px; height:27px; fill:#fff; }

/* ---------- reveal animations ----------
   Content is visible by default (progressive enhancement). Only once JS has
   confirmed IntersectionObserver support does <html> get ".has-reveal", which
   arms the hidden-before-scroll state. This means a JS error, a disabled
   script, or a tool that captures the page without scrolling never leaves
   real content permanently invisible. */
.reveal, .reveal-stagger > *{ opacity:1; transform:none; }
.has-reveal .reveal{ opacity:0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.has-reveal .reveal.is-visible{ opacity:1; transform:none; }
.has-reveal .reveal-stagger > *{ opacity:0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.has-reveal .reveal-stagger.is-visible > *{ opacity:1; transform:none; }
.reveal-stagger.is-visible > *:nth-child(1){ transition-delay: .05s; }
.reveal-stagger.is-visible > *:nth-child(2){ transition-delay: .14s; }
.reveal-stagger.is-visible > *:nth-child(3){ transition-delay: .23s; }
.reveal-stagger.is-visible > *:nth-child(4){ transition-delay: .32s; }
.reveal-stagger.is-visible > *:nth-child(5){ transition-delay: .41s; }
.reveal-stagger.is-visible > *:nth-child(6){ transition-delay: .5s; }

/* ---------- responsive ---------- */
@media (max-width: 1080px){
  .servicos-grid{ grid-template-columns: repeat(2,1fr); }
  .servico-card:nth-child(1){ grid-column: span 2; grid-row: span 1; }
  .servico-card:nth-child(4){ grid-column: span 1; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 940px){
  .main-nav{ display:none; }
  .nav-toggle{ display:block; }
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-media{ order:-1; min-height: 46vh; }
  .hero-media::before{ display:none; }
  .hero-copy{ padding-top: 6.5rem; }
  .sobre-grid{ grid-template-columns:1fr; }
  .sobre-media{ order:-1; max-width: 420px; margin-inline:auto; }
  .processo-list{ grid-template-columns:1fr; gap: 2.2rem; }
  .processo-list::before{ display:none; }
  .dif-grid{ grid-template-columns:1fr; }
  .publico-grid{ grid-template-columns:1fr; }
  .cta-grid{ grid-template-columns:1fr; }
}

@media (max-width: 640px){
  .servicos-grid{ grid-template-columns: 1fr; }
  .servico-card:nth-child(1), .servico-card:nth-child(4){ grid-column: span 1; }
  .footer-grid{ grid-template-columns: 1fr; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
  .hero-facts{ gap: 1.4rem; }
  .brand-word{ display:none; }
}

/* mobile off-canvas nav */
.mobile-nav{
  position: fixed; inset:0; z-index: 85;
  background: var(--graphite);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap: 1.6rem;
  transform: translateY(-100%);
  transition: transform .5s var(--ease);
}
.mobile-nav.is-open{ transform: translateY(0); }
.mobile-nav a{ font-family: var(--font-display); font-size: 1.6rem; color: var(--stone); }
.mobile-nav .btn{ margin-top: 1rem; }