:root{--blue:#171b19;--blue2:#0e110f;--cyan:#2f9a57;--ink:#171b19;--muted:#626b65;--line:#dfe6e0;--bg:#f5f7f5;--white:#fff;--radius:22px;--shadow:0 18px 50px rgba(15,18,16,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.topbar{background:var(--blue2);color:#dce8df;font-size:13px}.topbar-in{min-height:38px;display:flex;gap:28px;align-items:center}.topbar a{margin-left:auto;color:#fff}.header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;color:var(--blue)}.brand img{max-height:56px;max-width:210px}.brand-mark{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--cyan));color:white}.nav nav{display:flex;align-items:center;gap:22px;font-weight:650;font-size:14px}.nav nav>a:hover,.drop>a:hover{color:var(--cyan)}.drop{position:relative}.drop-menu{display:none;position:absolute;top:28px;left:-18px;background:white;padding:10px;min-width:210px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.drop:hover .drop-menu{display:grid}.drop-menu a{padding:9px 10px;border-radius:8px}.drop-menu a:hover{background:var(--bg)}.menu-btn{display:none;border:0;background:transparent;font-size:26px}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:white!important;border:1px solid var(--blue);border-radius:12px;padding:13px 20px;font-weight:750;cursor:pointer}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(25,64,38,.22)}.btn-sm{padding:9px 14px}.btn-ghost{background:transparent;color:var(--blue)!important}.btn-light{background:white;color:var(--blue)!important;border-color:white}.hero{background:radial-gradient(circle at 82% 18%,rgba(47,154,87,.16),transparent 25%),linear-gradient(180deg,#f7faf8,#fff);padding:90px 0 82px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:70px}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:850;color:var(--cyan)}h1,h2,h3{line-height:1.12;margin-top:0}h1{font-size:clamp(42px,5vw,68px);letter-spacing:-.045em;margin:16px 0 22px}h1 em{font-style:normal;color:var(--blue)}h2{font-size:clamp(30px,3.6vw,46px);letter-spacing:-.035em}.hero p{font-size:19px;color:var(--muted);max-width:720px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.cert-pill{display:inline-flex;padding:9px 13px;border:1px solid #d7e5da;border-radius:999px;background:white;color:var(--blue);font-size:13px;font-weight:750}.hero-art{min-height:430px;position:relative;border-radius:40px;background:linear-gradient(145deg,var(--blue),#2f9a57);box-shadow:var(--shadow);display:grid;place-items:center;transform:rotate(2deg)}.hero-art:before,.hero-art:after{content:'';position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.18)}.hero-art:before{width:290px;height:290px}.hero-art:after{width:380px;height:380px}.lab-card{position:relative;z-index:2;background:white;border-radius:20px;padding:26px;width:72%;box-shadow:var(--shadow);display:grid;gap:8px}.chem-icon{font-size:54px;color:var(--cyan)}.lab-card strong{font-size:23px;color:var(--blue)}.lab-card span{color:var(--muted)}.section{padding:86px 0}.section.alt{background:var(--bg)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}.section-head h2{margin:8px 0 0}.section-head>a{color:var(--blue);font-weight:750}.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.info-card,.product-card,.form-card,.contact-box{border:1px solid var(--line);border-radius:var(--radius);background:white;padding:28px;box-shadow:0 6px 25px rgba(20,40,27,.05)}.info-card .num{color:var(--cyan);font-weight:850}.info-card h3{font-size:23px;margin:18px 0 8px}.info-card p,.product-card p{color:var(--muted)}.category-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.category-card{display:grid;grid-template-columns:210px 1fr;gap:25px;background:white;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);align-items:center}.category-card>div:last-child{padding:26px 28px 26px 0}.category-visual{min-height:250px;background:linear-gradient(145deg,var(--blue2),var(--cyan));display:grid;place-items:center;color:white;font-size:58px;font-weight:900;overflow:hidden}.category-visual img{width:100%;height:100%;min-height:250px;object-fit:cover}.category-card p{color:var(--muted)}.category-card b{color:var(--blue)}.split{display:grid;grid-template-columns:1fr 1fr;gap:70px}.split p{font-size:18px;color:var(--muted)}.page-hero{padding:72px 0 58px;background:linear-gradient(135deg,#f4f7f5,#e8f1ea)}.page-hero.compact{padding:56px 0}.page-hero h1{font-size:clamp(38px,5vw,62px);margin-bottom:12px}.page-hero p{font-size:18px;color:var(--muted);max-width:780px}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:56px}.content-layout:has(aside:only-child){grid-template-columns:1fr}.page-image{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}.prose{font-size:17px}.prose h2{font-size:30px;margin-top:32px}.prose h3{font-size:23px;margin-top:28px}.prose p,.prose li{color:#415267}.prose ul{padding-left:20px}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}.filters a{padding:9px 14px;border-radius:999px;background:var(--bg);font-weight:700}.filters a.active{background:var(--blue);color:white}.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{padding:0;overflow:hidden}.product-card>a{display:block;padding-bottom:24px}.product-card h3,.product-card p,.product-card b,.product-card .tag{margin-left:24px;margin-right:24px}.product-card h3{font-size:23px;margin-top:10px}.product-card b{color:var(--blue)}.product-image,.product-large{background:linear-gradient(145deg,#f0f4f1,#e4ece6);display:grid;place-items:center;color:var(--blue);font-size:54px;font-weight:900}.product-image{height:220px;margin-bottom:20px}.product-image img,.product-large img{width:100%;height:100%;object-fit:contain;padding:16px;background:#fff}.tag{font-size:11px;letter-spacing:.08em;color:var(--cyan);font-weight:850;text-transform:uppercase}.product-detail{display:grid;grid-template-columns:420px 1fr;gap:55px}.product-large{height:480px;border-radius:var(--radius);overflow:hidden}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}.contact-box b{color:var(--blue)}.contact-box p{margin:4px 0 20px;color:var(--muted)}.form-card h2{font-size:28px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:grid;gap:7px;font-weight:700;margin-bottom:16px}input,select,textarea{width:100%;border:1px solid #ced8d0;border-radius:10px;padding:12px 13px;font:inherit;background:#fff}input:focus,select:focus,textarea:focus{outline:2px solid rgba(47,154,87,.22);border-color:var(--cyan)}.narrow{max-width:850px}.alert{padding:12px 14px;border-radius:10px;margin-bottom:18px}.success{background:#e8f7ef;color:#16663c}.error{background:#fff0f0;color:#9d2d2d}.cta{background:linear-gradient(135deg,var(--blue2),var(--blue));color:white;padding:52px 0}.cta-in{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{margin:7px 0;font-size:38px}.cta p{margin:0;color:#d6e0d8}.cta .eyebrow{color:#83c99b}footer{background:#0d100e;color:#cbd5cd;padding:64px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:35px}.footer-grid h4{color:white}.footer-grid>div{display:flex;flex-direction:column;gap:8px}.footer-brand{color:white;margin-bottom:10px}.footer-brand img{filter:brightness(0) invert(1)}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:20px;font-size:13px}@media(max-width:900px){.topbar-in span:nth-child(2){display:none}.nav{height:68px}.menu-btn{display:block}.nav nav{display:none;position:absolute;top:68px;left:0;right:0;background:white;padding:20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav nav.open{display:flex}.drop-menu{position:static;display:grid;box-shadow:none;border:0;padding-left:15px}.hero{padding:62px 0}.hero-grid,.split,.content-layout,.product-detail,.contact-grid{grid-template-columns:1fr}.hero-art{min-height:310px}.cards3,.products-grid{grid-template-columns:1fr 1fr}.category-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.wrap{width:min(100% - 28px,1180px)}.topbar-in{gap:8px;justify-content:space-between}.topbar-in span:first-child{font-size:11px}.topbar a{margin-left:0}.hero h1{font-size:42px}.hero-art{display:none}.section{padding:60px 0}.cards3,.products-grid,.form-grid,.footer-grid{grid-template-columns:1fr}.category-card{grid-template-columns:1fr}.category-visual{min-height:150px}.category-card>div:last-child{padding:0 22px 24px}.section-head,.cta-in{align-items:flex-start;flex-direction:column}.product-large{height:320px}}

/* Home banner with image/video background */
.hero.hero-media{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;padding:90px 0;color:#fff;background:#0e110f}.hero-bg{position:absolute;inset:0}.hero-bg img,.hero-bg video{width:100%;height:100%;object-fit:cover;display:block}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,6,.88) 0%,rgba(5,8,6,.66) 48%,rgba(5,8,6,.18) 100%)}.hero-copy{position:relative;z-index:2}.hero-copy>div{max-width:720px}.hero-copy h1{font-size:clamp(42px,6vw,76px);line-height:1.02;margin:.25em 0}.hero-copy h1 em{font-style:normal;color:#75c991}.hero-copy p{font-size:18px;max-width:680px;color:#f0f6f2}.hero-copy .eyebrow{color:#bde7ca}.hero-ghost{border-color:rgba(255,255,255,.65)!important;color:#fff!important;background:rgba(255,255,255,.07)!important}.hero-copy .cert-pill{display:inline-block;margin-top:24px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.25);color:#fff;backdrop-filter:blur(7px)}
@media(max-width:760px){.hero.hero-media{min-height:580px;padding:70px 0}.hero-overlay{background:linear-gradient(90deg,rgba(5,8,6,.88),rgba(5,8,6,.58))}.hero-copy h1{font-size:42px}}

.regulations{padding-top:60px}.reg-logos{display:grid;grid-template-columns:repeat(5,minmax(120px,1fr));gap:22px;align-items:center}.reg-logos img{width:100%;height:100px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px}.reg-logos-inline{margin-top:35px;grid-template-columns:repeat(3,minmax(110px,1fr))}@media(max-width:760px){.reg-logos,.reg-logos-inline{grid-template-columns:repeat(2,1fr)}.reg-logos img{height:85px}}

/* v1.5 — identidade RB Química: preto/grafite + verde */
:root{
  --blue:#111513;
  --blue2:#080b09;
  --cyan:#2f9a57;
  --ink:#171b19;
  --muted:#5f6962;
  --line:#dfe6e0;
  --bg:#f5f7f5;
}
.header .btn,.btn,.filters a.active{background:#111513!important;border-color:#111513!important}
.header .btn:hover,.btn:hover{background:#2f9a57!important;border-color:#2f9a57!important}
.nav nav>a:hover,.drop>a:hover,.section-head>a,.tag,.eyebrow{color:#2f9a57!important}
.page-hero{background:linear-gradient(135deg,#f3f6f4,#e7eee9)!important}
.hero.hero-media{background:#080b09!important}
.hero-copy h1 em{color:#75c991!important}
.cta{background:linear-gradient(135deg,#080b09,#171b19)!important}
.category-visual{background:linear-gradient(145deg,#0c100d,#2f9a57)!important}
.brand-mark{background:linear-gradient(135deg,#111513,#2f9a57)!important}


/* v1.7 — rodapé mais leve e transição suave */
.cta{
  background:#eef3ef!important;
  color:#171b19!important;
  border-top:1px solid #dfe6e0;
  border-bottom:1px solid #dfe6e0;
}
.cta h2{color:#111513!important}
.cta p{color:#5f6962!important}
.cta .eyebrow{color:#2f9a57!important}
.cta .btn-light{
  background:#111513!important;
  color:#fff!important;
  border-color:#111513!important;
}
.cta .btn-light:hover{
  background:#2f9a57!important;
  border-color:#2f9a57!important;
}
footer{background:#171c19!important;color:#cfd8d1!important}
.footer-brand img{filter:none!important}
.copyright{border-top:1px solid rgba(255,255,255,.09)!important}


/* v1.8 — identidade clara: branco/cinza + verde extraído da logo */
:root{
  --blue:#303633;
  --blue2:#eef1ef;
  --ink:#222725;
  --muted:#616b65;
  --line:#dfe5e1;
  --bg:#f5f7f6;
}
body{background:#fff;color:var(--ink)}
.topbar{background:#f1f4f2!important;color:#46504a!important;border-bottom:1px solid var(--line)}
.topbar a{color:var(--cyan)!important;font-weight:750}
.header{background:rgba(255,255,255,.98)!important}
.brand,.nav nav>a,.drop>a{color:#2b312e!important}
.nav nav>a:hover,.drop>a:hover,.section-head>a,.tag,.eyebrow{color:var(--cyan)!important}
.header .btn,.btn,.filters a.active,.cta .btn-light{
  background:var(--cyan)!important;
  border-color:var(--cyan)!important;
  color:#fff!important;
}
.header .btn:hover,.btn:hover,.cta .btn-light:hover{
  background:#fff!important;
  border-color:var(--cyan)!important;
  color:var(--cyan)!important;
  box-shadow:0 8px 24px rgba(0,0,0,.08)
}
.btn-ghost{background:#fff!important;color:var(--cyan)!important;border-color:var(--cyan)!important}
.btn-ghost:hover{background:var(--cyan)!important;color:#fff!important}
.hero:not(.hero-media){background:linear-gradient(180deg,#f7f9f8,#fff)!important}
.hero-art{background:linear-gradient(145deg,#f0f4f2,#e4ebe7)!important;border:1px solid var(--line)}
.hero-art:before,.hero-art:after{border-color:rgba(0,0,0,.08)!important}
.brand-mark{background:var(--cyan)!important;color:#fff!important}
.category-visual{background:#f0f3f1!important;color:var(--cyan)!important}
.page-hero{background:linear-gradient(135deg,#f7f8f7,#edf1ef)!important}
.prose p,.prose li{color:#4f5953!important}
.cert-pill{color:#303633!important}
.cta{background:#f4f6f5!important;color:#222725!important;border-top:1px solid var(--line)!important;border-bottom:1px solid var(--line)!important}
.cta h2{color:#222725!important}.cta p{color:#616b65!important}.cta .eyebrow{color:var(--cyan)!important}
footer{background:#eef1ef!important;color:#4d5651!important;border-top:1px solid var(--line);padding-top:54px!important}
.footer-grid h4{color:#252b28!important}
.footer-grid a:hover{color:var(--cyan)!important}
.footer-brand{color:#252b28!important}
.footer-brand img{filter:none!important}
.copyright{border-top:1px solid #d8dfdb!important;color:#68726c!important}
/* Banner de vídeo/foto continua com overlay para legibilidade, mas usa verde real da marca */
.hero.hero-media{background:#2d322f!important}
.hero-copy h1 em,.hero-copy .eyebrow{color:var(--cyan)!important}
.hero-copy .btn:not(.hero-ghost){background:var(--cyan)!important;border-color:var(--cyan)!important;color:#fff!important}
.hero-copy .btn:not(.hero-ghost):hover{background:#fff!important;color:var(--cyan)!important}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--cyan) 20%,transparent)!important;border-color:var(--cyan)!important}

/* v1.9 — conteúdo vindo do editor visual */
.prose p{margin:0 0 1.15em}.prose h2{margin:1.25em 0 .55em}.prose h3{margin:1.15em 0 .5em}.prose ol{padding-left:24px}.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:2px}.prose hr{border:0;border-top:1px solid var(--line);margin:28px 0}.prose [style*="text-align: center"]{text-align:center}.prose [style*="text-align: right"]{text-align:right}

/* v2.0 — ícones originais + refinamento visual/performance */
.info-card{position:relative;overflow:hidden;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.info-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--cyan) 30%,var(--line));box-shadow:0 14px 34px rgba(20,40,27,.08)}.info-icon{width:74px;height:74px;border-radius:18px;background:color-mix(in srgb,var(--cyan) 9%,#fff);display:grid;place-items:center;border:1px solid color-mix(in srgb,var(--cyan) 18%,#fff);margin-bottom:22px}.info-icon img{width:46px;height:46px;object-fit:contain;opacity:.88}.info-card h3{margin:0 0 9px}.info-card .num{display:none}.product-placeholder{width:74px;height:74px;border-radius:18px;border:1px solid color-mix(in srgb,var(--cyan) 22%,#dfe6e0);display:flex!important;align-items:flex-end!important;justify-content:center!important;gap:5px!important;padding:17px;background:#fff}.product-placeholder>span{display:block;width:9px;border-radius:6px 6px 2px 2px;background:var(--cyan)}.product-placeholder>span:nth-child(1){height:25px;opacity:.45}.product-placeholder>span:nth-child(2){height:40px}.product-placeholder>span:nth-child(3){height:31px;opacity:.7}.product-image{content-visibility:auto;contain-intrinsic-size:220px}.page-image,.category-visual img,.reg-logos img{content-visibility:auto}.info-card,.product-card,.category-card{box-shadow:0 5px 18px rgba(20,40,27,.045)}


/* Hero em duas colunas: texto à esquerda, mídia à direita */
.hero-split{
  padding:72px 0 64px;
  background:linear-gradient(180deg,#fff 0%,#f5f7f5 100%);
}
.hero-split-grid{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);
  gap:56px;
  align-items:center;
}
.hero-copy-left{
  position:relative;
  z-index:2;
  max-width:720px;
}
.hero-copy-left h1{
  margin:14px 0 18px;
}
.hero-copy-left p{
  max-width:680px;
}
.hero-media-card{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  background:#e9eee9;
  box-shadow:0 18px 50px rgba(0,0,0,.12);
  aspect-ratio:16/10;
  min-height:360px;
}
.hero-youtube-card,
.hero-local-video,
.hero-side-image{
  width:100%;
  height:100%;
}
.hero-youtube-card iframe{
  width:100%;
  height:100%;
  border:0;
  display:block;
}
.hero-local-video,
.hero-side-image{
  display:block;
  object-fit:cover;
}
.hero-split .btn-ghost{
  background:#fff;
  border-color:var(--brand-green);
  color:var(--brand-green);
}
.hero-split .btn-ghost:hover{
  background:#f4f7f4;
}
.hero-split .cert-pill{
  margin-top:22px;
}

@media (max-width:980px){
  .hero-split{
    padding:50px 0;
  }
  .hero-split-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .hero-media-card{
    min-height:0;
    aspect-ratio:16/9;
  }
}
@media (max-width:640px){
  .hero-split{
    padding:34px 0 40px;
  }
  .hero-split-grid{
    gap:24px;
  }
  .hero-media-card{
    border-radius:16px;
  }
}

/* v2.7 — fundo unificado da área inteira do hero */
.hero-split.hero-stage-bg{
  position:relative;
  isolation:isolate;
  background:#000 !important;
  color:#fff;
  overflow:hidden;
}
.hero-split.hero-stage-bg.has-stage-image{
  background-color:#000 !important;
  background-image:var(--hero-stage-image) !important;
  background-size:cover !important;
  background-position:center center !important;
  background-repeat:no-repeat !important;
}
.hero-split.hero-stage-bg::before{
  content:"";
  position:absolute;
  inset:0;
  background:#000;
  opacity:0;
  pointer-events:none;
  z-index:0;
}
.hero-split.hero-stage-bg.has-stage-image::before{
  opacity:var(--hero-overlay-opacity,0.35);
}
.hero-split.hero-stage-bg > .wrap{
  position:relative;
  z-index:1;
}
.hero-split.hero-stage-bg .hero-copy-left,
.hero-split.hero-stage-bg .hero-copy-left h1,
.hero-split.hero-stage-bg .hero-copy-left p{color:#fff!important;}
.hero-split.hero-stage-bg .hero-copy-left p{color:rgba(255,255,255,.92)!important;}
.hero-split.hero-stage-bg .hero-copy-left .eyebrow{color:#bfe8cc!important;}
.hero-split.hero-stage-bg .hero-copy-left h1 em{color:var(--brand-green)!important;}
.hero-split.hero-stage-bg .hero-copy-left .btn{background:var(--brand-green)!important;border-color:var(--brand-green)!important;color:#fff!important;}
.hero-split.hero-stage-bg .hero-copy-left .btn-ghost{background:rgba(0,0,0,.14)!important;border-color:rgba(255,255,255,.85)!important;color:#fff!important;}
.hero-split.hero-stage-bg .cert-pill{color:var(--brand-green)!important;background:rgba(0,0,0,.18);border:1px solid color-mix(in srgb,var(--brand-green) 45%, transparent);font-weight:700;}
.hero-split.hero-stage-bg .hero-media-card{background:#111;border:1px solid rgba(255,255,255,.18);box-shadow:0 22px 58px rgba(0,0,0,.35);}