:root{
  /* ===== TEMA ESCURO (Escala de cinza puros) ===== */
  --bg-0:#000000;
  --bg-1:#111111;
  --bg-2:#1a1a1a;
  --bg-3:#141414;
  --bg-4:#222222;
  --bg-5:#1c1c1c;
  --bg-6:#0a0a0a;

  --surface:#222222;
  --surface-2:#2a2a2a;
  --border-soft:rgba(255,255,255,.10);
  --border-soft-2:rgba(255,255,255,.16);

  --text:#ffffff;
  --text-dim:#cccccc;
  --text-mute:#999999;

  /* Cores de destaque agora em tons de cinza/branco */
  --gold:#ffffff;
  --rose:#e0e0e0;
  --teal:#b0b0b0;
  --wine:#888888;

  --header-bg:rgba(0,0,0,.86);
  --hero-overlay-1:rgba(0,0,0,.42);
  --hero-overlay-2:rgba(0,0,0,.68);
  --sust-overlay-1:rgba(10,10,10,.90);
  --sust-overlay-2:rgba(10,10,10,.96);
  --contact-overlay-1:rgba(0,0,0,.88);
  --contact-overlay-2:rgba(0,0,0,.97);

  --btn-primary-text:#000000;
  --btn-primary-hover:#cccccc;
  --form-glass:rgba(30,30,30,.55);
  --input-bg:rgba(255,255,255,.05);
  --pillar-bg:rgba(0,0,0,.25);
  --pillar-span:#b0b0b0;
  --pillar-text:#e0e0e0;

  /* Fontes atualizadas para Montserrat */
  --font-display: 'Montserrat', -apple-system, sans-serif;
  --font-body: 'Montserrat', -apple-system, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;

  --max-w:1200px;
  --radius:4px;
}

/* ===== TEMA CLARO (branco/cinza) ===== */
html[data-theme="light"]{
  --bg-0:#ffffff;
  --bg-1:#f2f2f2;
  --bg-2:#eeeeee;
  --bg-3:#f9f9f9;
  --bg-4:#e8e8e8;
  --bg-5:#f0f0f0;
  --bg-6:#e0e0e0;

  --surface:#ffffff;
  --surface-2:#f4f4f4;
  --border-soft:rgba(0,0,0,.10);
  --border-soft-2:rgba(0,0,0,.18);

  --text:#000000;
  --text-dim:#333333;
  --text-mute:#666666;

  /* Destaques em preto e cinza escuro */
  --gold:#000000;
  --rose:#333333;
  --teal:#555555;
  --wine:#777777;

  --header-bg:rgba(255,255,255,.86);
  --hero-overlay-1:rgba(255,255,255,.58);
  --hero-overlay-2:rgba(255,255,255,.82);
  --sust-overlay-1:rgba(240,240,240,.90);
  --sust-overlay-2:rgba(240,240,240,.97);
  --contact-overlay-1:rgba(245,245,245,.88);
  --contact-overlay-2:rgba(245,245,245,.97);

  --btn-primary-text:#ffffff;
  --btn-primary-hover:#444444;
  --form-glass:rgba(255,255,255,.65);
  --input-bg:rgba(255,255,255,.8);
  --pillar-bg:rgba(255,255,255,.55);
  --pillar-span:#555555;
  --pillar-text:#333333;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

body{
  font-family:var(--font-body);
  background:var(--bg-0);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  transition:background-color .4s ease, color .4s ease;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 32px;}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-mute);
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:currentColor;
  display:inline-block;
}

h1,h2,h3{
  font-family:var(--font-display);
  font-weight:650;
  letter-spacing:-.015em;
  color:var(--text);
}

/* ============ THREAD DIVIDER ============ */
.thread-divider{width:100%;height:14px;display:block;line-height:0;}
.thread-divider svg{width:100%;height:100%;display:block;}
.thread-divider rect{fill:var(--bg-1);transition:fill .4s ease;}

/* ============ HEADER ============ */
header{
  position:sticky;top:0;z-index:100;
  background:var(--header-bg);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
  transition:transform .35s ease, background-color .4s ease, border-color .4s ease;
}
header.nav-hidden{
  transform:translateY(-100%);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:14px 32px;max-width:var(--max-w);margin:0 auto;
}
.nav-left{display:flex;align-items:center;gap:40px;}
.nav-right{display:flex;align-items:center;gap:18px;}
.nav-inline{display:flex;gap:28px;align-items:center;}
.logo-inline{display:block;}
.logo-inline img{height:50px;width:auto;}
.logo-for-dark{display:block;}
.logo-for-light{display:none;}
html[data-theme="light"] .logo-for-dark{display:none;}
html[data-theme="light"] .logo-for-light{display:block;}

.nav-inline a, .nav-links a{
  font-size:.9rem;color:var(--text-dim);position:relative;padding:4px 0;
  transition:color .25s ease;
}
.nav-inline a::after, .nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--gold);transition:width .3s ease;
}
.nav-inline a:hover, .nav-links a:hover{color:var(--text);}
.nav-inline a:hover::after, .nav-links a:hover::after{width:100%;}
.nav-cta{
  border:1px solid var(--gold);color:var(--gold) !important;
  padding:9px 18px;border-radius:var(--radius);font-size:.82rem !important;
  letter-spacing:.03em;
}
.nav-cta::after{display:none;}
.nav-cta:hover{background:var(--gold);color:var(--bg-0) !important;}
.nav-links{display:none;}
.language-control{position:relative;display:flex;align-items:center;flex:none;}
.language-control::after{
  content:"⌄";position:absolute;right:9px;top:50%;transform:translateY(-55%);
  color:var(--text-mute);font-size:.78rem;pointer-events:none;
}
.language-select{
  appearance:none;-webkit-appearance:none;
  height:38px;min-width:78px;padding:0 26px 0 10px;
  border:1px solid var(--border-soft-2);border-radius:var(--radius);
  background:transparent;color:var(--text);cursor:pointer;
  font-family:var(--font-body);font-size:.72rem;font-weight:600;letter-spacing:.02em;
  transition:border-color .25s ease, color .25s ease, background-color .25s ease;
}
.language-select:hover{border-color:var(--gold);color:var(--gold);}
.language-select option{background:var(--bg-0);color:var(--text);}
.burger{
  display:none;flex-direction:column;gap:5px;background:none;border:none;
  cursor:pointer;padding:6px;
}
.burger span{width:24px;height:2px;background:var(--text);display:block;}

/* ---- Botão de alternância de tema ---- */
.theme-toggle{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--border-soft-2);
  background:transparent;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--text);
  transition:border-color .25s ease, color .25s ease, transform .25s ease;
  flex:none;
}
.theme-toggle:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-1px);}
.theme-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;}
.icon-moon{display:block;}
.icon-sun{display:none;}
html[data-theme="light"] .icon-moon{display:none;}
html[data-theme="light"] .icon-sun{display:block;}

/* ============ HERO ============ */
.hero{
  position:relative;color:var(--text);padding:120px 32px 90px;overflow:hidden;
  background:var(--bg-0);
  transition:background-color .4s ease;
}
.hero-video{
  position:absolute;inset:0;z-index:0;
  width:100%;height:100%;object-fit:cover;
  filter:brightness(1.12);
  pointer-events:none;
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg, var(--hero-overlay-1), var(--hero-overlay-2) 70%, var(--bg-0) 100%);
  pointer-events:none;
}
.hero-inner{max-width:var(--max-w);margin:0 auto;position:relative;z-index:3;}

@media (prefers-reduced-motion: reduce){
  .hero-video{display:none;}
  .hero{
    background:
      linear-gradient(180deg, var(--hero-overlay-1), var(--hero-overlay-2) 70%, var(--bg-0) 100%),
      url('../assets/images/hero-bg.jpg') center 30%/cover no-repeat;
  }
}

.hero-mast{
  font-family:var(--font-display);
  font-weight:750;
  font-size:clamp(2.6rem, 7vw, 5.2rem);
  letter-spacing:-.02em;
  line-height:1;
  color:var(--text);
  margin-bottom:18px;
}
.hero-mast span{color:var(--rose);}

.hero h1{
  font-size:clamp(1.6rem, 3.2vw, 2.3rem);
  line-height:1.25;max-width:26ch;margin:0 0 26px;
  font-weight:500;
  color:var(--text-dim);
  font-family:var(--font-body);
}
.hero p.lede{font-size:1.1rem;color:var(--text-dim);max-width:52ch;margin-bottom:44px;font-weight:400;}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:64px;}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 26px;
  border-radius:var(--radius);font-size:.92rem;font-weight:590;
  transition:transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  cursor:pointer;border:1px solid transparent;font-family:var(--font-body);
}
.btn-primary{background:var(--rose);color:var(--btn-primary-text);}
.btn-primary:hover{transform:translateY(-2px);background:var(--btn-primary-hover);}
.btn-ghost{border-color:var(--border-soft-2);color:var(--text);}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);}

.hero-stats{
  display:grid;grid-template-columns:repeat(3,auto);gap:48px;
  border-top:1px solid var(--border-soft);padding-top:32px;max-width:640px;
}
.hero-stats div b{
  display:block;font-family:var(--font-display);font-size:1.9rem;
  color:var(--gold);font-weight:650;
}
.hero-stats div span{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--text-mute);
}

/* ============ SECTION GENERIC ============ */
section.block{padding:100px 32px;transition:background-color .4s ease;}
.block-head{max-width:640px;margin-bottom:56px;}
.block-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-top:14px;font-weight:650;}
.block-head p{margin-top:18px;font-size:1.05rem;color:var(--text-dim);max-width:60ch;}

/* ============ SOBRE ============ */
#sobre{background:var(--bg-1);}
.sobre-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.sobre-grid p{color:var(--text-dim);margin-bottom:18px;font-size:1.02rem;}
.sobre-media{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-soft);
  aspect-ratio:3/4;
}
.sobre-media img{width:100%;height:100%;object-fit:cover;}

/* ============ TECIDOS (cards) ============ */
#tecidos{background:var(--bg-2);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.card{
  background:var(--surface);border-radius:var(--radius);
  border:1px solid var(--border-soft);
  border-top:3px solid var(--accent, var(--gold));
  transition:transform .3s ease, box-shadow .3s ease, background-color .4s ease, border-color .4s ease;
  opacity:0;transform:translateY(22px);
  overflow:hidden;
}
.card.is-visible{opacity:1;transform:translateY(0);}
.card:hover{transform:translateY(-6px);background:var(--surface-2);box-shadow:0 20px 40px -20px rgba(0,0,0,.35);}
.card-media{aspect-ratio:4/3;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.06);}
.card-body{padding:26px 26px 30px;}
.card .num{font-family:var(--font-mono);font-size:.72rem;color:var(--accent, var(--gold));letter-spacing:.1em;}
.card h3{font-size:1.25rem;margin:14px 0 12px;font-weight:620;}
.card p{font-size:.92rem;color:var(--text-dim);}
.card:nth-child(1){--accent:var(--wine);}
.card:nth-child(2){--accent:var(--teal);}
.card:nth-child(3){--accent:var(--rose);}

/* ============ TECNOLOGIAS / SELOS ============ */
#tecnologias{background:var(--bg-0);}
.badge-carousel{
  overflow:hidden;
  border:1px solid var(--border-soft);
  background:var(--border-soft);
}
.badge-track{
  display:flex;
  transition:transform .45s cubic-bezier(.65,0,.35,1);
}
.badge-track .badge{
  flex:0 0 33.3333%;
  max-width:33.3333%;
  background:var(--bg-0);
  border-right:1px solid var(--border-soft);
  box-sizing:border-box;
}
.badge-track .badge:last-child{border-right:none;}
.badge{
  opacity:0;transform:translateY(18px);
  transition:transform .3s ease, opacity .3s ease, background-color .4s ease;
}
.badge.is-visible{opacity:1;transform:translateY(0);}
.badge:hover{background:var(--surface);}
.badge-media{aspect-ratio:16/11;overflow:hidden;}
.badge-media img{width:100%;height:100%;object-fit:cover;}
.badge-body{padding:22px;}

.carousel-controls{
  display:flex;align-items:center;justify-content:center;
  gap:20px;margin-top:26px;
}
.carousel-btn{
  display:flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--border-soft-2);
  background:transparent;color:var(--text);
  cursor:pointer;transition:background-color .25s ease, opacity .25s ease, transform .2s ease;
}
.carousel-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;}
.carousel-btn:hover:not(:disabled){background:var(--surface);}
.carousel-btn:active:not(:disabled){transform:scale(.94);}
.carousel-btn:disabled{opacity:.35;cursor:default;}
.carousel-dots{display:flex;align-items:center;gap:9px;}
.carousel-dots button{
  width:9px;height:9px;border-radius:50%;padding:0;
  border:1px solid var(--border-soft-2);background:transparent;
  cursor:pointer;transition:background-color .25s ease, transform .2s ease;
}
.carousel-dots button.is-active{background:var(--gold);border-color:var(--gold);transform:scale(1.15);}
.badge .dot{width:10px;height:10px;border-radius:50%;margin-bottom:16px;}
.badge h4{font-family:var(--font-display);font-size:1rem;margin-bottom:10px;color:var(--text);font-weight:620;}
.badge p{font-size:.82rem;color:var(--text-dim);line-height:1.55;}
.badge:nth-child(1) .dot{background:var(--gold);}
.badge:nth-child(2) .dot{background:var(--rose);}
.badge:nth-child(3) .dot{background:var(--teal);}
.badge:nth-child(4) .dot{background:var(--wine);}
.badge:nth-child(5) .dot{background:#8fae9f;}

/* ============ SERVIÇOS ============ */
#servicos{background:var(--bg-3);}
.service-row{
  display:grid;grid-template-columns:280px 1fr;gap:32px;padding:34px 0;
  border-bottom:1px solid var(--border-soft);align-items:center;
}
.service-row:first-of-type{border-top:1px solid var(--border-soft);}
.service-media{border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;border:1px solid var(--border-soft);}
.service-media img{width:100%;height:100%;object-fit:cover;}
.service-row .stag{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--rose);
}
.service-row h3{font-size:1.4rem;margin-top:8px;font-weight:630;}
.service-row p{color:var(--text-dim);font-size:.96rem;margin-top:10px;}

/* ============ SUSTENTABILIDADE ============ */
#sustentabilidade{
  color:var(--text);position:relative;
  background:
    linear-gradient(180deg, var(--sust-overlay-1), var(--sust-overlay-2)),
    url('../assets/images/sustentabilidade.jpeg') center/cover no-repeat;
}
.sust-top{display:flex;align-items:center;gap:18px;margin-bottom:44px;}
.sust-top img{height:56px;width:auto;background:#ffffff;padding:8px;border-radius:var(--radius);}
.sust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.pillar{
  border:1px solid var(--border-soft-2);border-radius:var(--radius);
  background:var(--pillar-bg);overflow:hidden;
  transition:background-color .4s ease, border-color .4s ease;
}
.pillar-media{aspect-ratio:16/10;overflow:hidden;}
.pillar-media img{width:100%;height:100%;object-fit:cover;}
.pillar-body{padding:26px;}
.pillar span{font-family:var(--font-mono);font-size:.7rem;color:var(--pillar-span);letter-spacing:.1em;}
.pillar h3{font-size:1.15rem;margin:12px 0 10px;font-weight:620;}
.pillar p{font-size:.9rem;color:var(--pillar-text);}

/* ============ DEPOIMENTOS ============ */
#depoimentos{background:var(--bg-5);}
.testi-grid{display:grid;grid-template-columns:120px 1fr 1fr;gap:28px;align-items:center;}
.testi-photo{border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;border:1px solid var(--border-soft);}
.testi-photo img{width:100%;height:100%;object-fit:cover;}
.testi{
  background:var(--surface);padding:34px;border-radius:var(--radius);
  border-left:3px solid var(--rose);border-top:1px solid var(--border-soft);
  border-right:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);
  transition:background-color .4s ease, border-color .4s ease;
}
.testi .stars{color:var(--gold);letter-spacing:2px;margin-bottom:14px;font-size:.9rem;}
.testi p.quote{font-size:1rem;color:var(--text-dim);margin-bottom:20px;}
.testi .who{
  font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;
  letter-spacing:.06em;color:var(--rose);
}

/* ============ CONTATO ============ */
#contato{
  color:var(--text);position:relative;
  background:
    linear-gradient(180deg, var(--contact-overlay-1), var(--contact-overlay-2)),
    url('../assets/images/contato.jpeg') center/cover no-repeat;
}
.contato-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}
.contato-info p{color:var(--text-dim);margin-bottom:10px;}
.contato-info h3{color:var(--gold);font-size:1.1rem;margin:26px 0 10px;font-weight:620;}
.social-row{display:flex;gap:16px;margin-top:20px;}
.social-row a{
  border:1px solid var(--border-soft-2);padding:9px 16px;border-radius:var(--radius);
  font-size:.82rem;transition:border-color .25s ease, color .25s ease;
}
.social-row a:hover{border-color:var(--gold);color:var(--gold);}

.form{
  display:flex;flex-direction:column;gap:14px;
  background:var(--form-glass);backdrop-filter:blur(8px);
  padding:30px;border-radius:var(--radius);
  border:1px solid var(--border-soft-2);
  transition:background-color .4s ease, border-color .4s ease;
}
.form input, .form textarea{
  background:var(--input-bg);border:1px solid var(--border-soft);
  border-radius:var(--radius);padding:12px 14px;color:var(--text);
  font-family:var(--font-body);font-size:.95rem;
  transition:background-color .4s ease, border-color .4s ease, color .4s ease;
}
.form input::placeholder, .form textarea::placeholder{color:var(--text-mute);}
.form input:focus, .form textarea:focus{outline:none;border-color:var(--gold);}
.form button{margin-top:6px;align-self:flex-start;}

/* ============ FOOTER ============ */
footer{
  background:var(--bg-6);color:var(--text-mute);padding:50px 32px 40px;
  text-align:center;font-size:.82rem;border-top:1px solid var(--border-soft);
  transition:background-color .4s ease, border-color .4s ease;
}
footer img{height:44px;width:auto;margin:0 auto 18px;}
footer .foot-name{
  font-family:var(--font-display);font-weight:700;font-size:1.4rem;color:var(--text);
  display:block;margin-bottom:6px;
}

a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold);outline-offset:2px;
}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease, transform .6s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}

@media (max-width:1100px) and (min-width:721px){
  .nav-left{gap:22px;}
  .nav-right{gap:10px;}
  .nav-inline{gap:16px;}
  .nav-cta{padding:8px 12px;}
  .language-select{min-width:70px;padding-left:8px;}
}

@media (max-width:920px){
  .sobre-grid,.contato-grid{grid-template-columns:1fr;}
  .sobre-grid{gap:36px;}
  .sobre-media{order:-1;aspect-ratio:16/9;}
  .card-grid{grid-template-columns:1fr;}
  .badge-track .badge{flex:0 0 50%;max-width:50%;}
  .sust-grid{grid-template-columns:1fr;}
  .testi-grid{grid-template-columns:1fr;}
  .testi-photo{display:none;}
  .service-row{grid-template-columns:1fr;}
  .service-media{aspect-ratio:16/9;}
  .hero-stats{grid-template-columns:repeat(3,auto);gap:26px;}
}
@media (max-width:720px){
  /* Exibe a foto da seção Sobre inteira no celular, sem recorte */
  .sobre-media{aspect-ratio:auto;}
  .sobre-media img{width:100%;height:auto;object-fit:contain;}

  .nav-left .nav-inline, .nav-right .nav-inline{display:none;}
  .nav-right > .nav-cta{display:none;}
  .nav-links{
    display:flex;
    position:absolute;top:100%;left:0;right:0;z-index:99;
    background:var(--bg-0);
    flex-direction:column;align-items:flex-start;padding:24px 32px;gap:20px;
    border-top:1px solid var(--border-soft);
    border-bottom:1px solid var(--border-soft);
    box-shadow:0 16px 30px rgba(0,0,0,.22);
    opacity:0;visibility:hidden;pointer-events:none;
    transform:translateY(-10px);
    transition:opacity .25s ease, transform .25s ease, visibility .25s ease;
  }
  .nav-links.open{
    opacity:1;visibility:visible;pointer-events:auto;
    transform:translateY(0);
  }
  .burger{display:flex;}
  .badge-track .badge{flex:0 0 100%;max-width:100%;}
  .hero-stats{grid-template-columns:1fr;gap:18px;}
  .logo-inline img{height:38px;}
  .nav-right{gap:8px;}
  .language-select{height:36px;min-width:66px;padding:0 22px 0 8px;font-size:.68rem;}
  .language-control::after{right:7px;}
}