/* Grupo Brugnara — sistema Antracito & Marfim
   Design tokens espelham o guia de identidade (brand/guia-identidade-grupo-brugnara). */
:root{
  --antracito:#16181B; --antracito-2:#1b1e22; --grafite:#2C3136;
  --platina:#9AA0A6; --peltre:#5E656B; --marfim:#F3EFE7; --marfim-2:#ECE7DC;
  --nevoa:#565C63; --branco:#fff;
  --linha:rgba(94,101,107,.24); --linha-2:rgba(94,101,107,.14);
  --linha-dark:rgba(154,160,166,.22);
  --wrap:1160px; --pad:clamp(20px,5vw,40px);
  --sec:clamp(56px,8vw,104px);
  --serif:'Playfair Display',Georgia,'Times New Roman',serif;
  --sans:'Libre Franklin',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--grafite);background:var(--marfim);
  font-size:clamp(15px,1.05vw,16.5px);line-height:1.65;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;color:var(--antracito);line-height:1.16;
  letter-spacing:-.01em}
strong{font-weight:600;color:inherit}
::selection{background:var(--antracito);color:var(--marfim)}

/* layout */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:var(--sec)}
.section--dark{background:var(--antracito);color:var(--marfim)}
.section--dark h1,.section--dark h2,.section--dark h3{color:var(--marfim)}
.section--ivory2{background:var(--marfim-2)}
.narrow{max-width:64ch}

/* eyebrow / labels */
.eyebrow{font-size:11px;letter-spacing:.32em;text-transform:uppercase;font-weight:600;
  color:var(--peltre);display:inline-flex;align-items:center;gap:12px}
.section--dark .eyebrow{color:var(--platina)}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.7}
.kicker{font-size:11px;letter-spacing:.28em;text-transform:uppercase;font-weight:600;color:var(--peltre)}

/* type scale */
.display{font-size:clamp(34px,5.4vw,60px);line-height:1.05}
h1{font-size:clamp(30px,4.4vw,46px)}
h2{font-size:clamp(24px,3.2vw,36px)}
h3{font-size:clamp(19px,2vw,23px)}
.lead{font-size:clamp(16px,1.5vw,19px);line-height:1.6;color:var(--grafite)}
.section--dark .lead{color:#cfd3d7}
.muted{color:var(--nevoa)}
.section--dark .muted{color:#a9adb2}
p+p{margin-top:.9em}

/* hairline + integration motif */
.hair{height:1px;background:var(--linha);border:0;margin-block:clamp(28px,4vw,48px)}
.section--dark .hair{background:var(--linha-dark)}
.integ{display:inline-flex;gap:7px;align-items:flex-end;height:44px}
.integ i{width:2px;background:var(--platina);display:block}
.integ i:nth-child(1){height:60%}.integ i:nth-child(2){height:100%}
.integ i:nth-child(3){height:46%}.integ i:nth-child(4){height:80%}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(22,24,27,.92);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--linha-dark)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:inline-flex;align-items:center}
.brand img{height:26px;width:auto;filter:invert(1) brightness(1.85)}
.nav{display:flex;align-items:center;gap:clamp(16px,2.4vw,34px)}
.nav a{font-size:13.5px;letter-spacing:.01em;color:#d7dade;padding:6px 0;position:relative}
.nav a:hover{color:#fff}
.nav a[aria-current="page"]{color:#fff}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--platina)}
.nav-cta{border:1px solid var(--platina);color:#fff!important;padding:9px 18px!important;
  font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.nav-cta:hover{background:var(--platina);color:var(--antracito)!important}
.menu-btn{display:none;background:none;border:0;color:#fff;cursor:pointer;padding:8px;width:44px;height:44px}
.menu-btn span{display:block;width:22px;height:1.5px;background:#fff;margin:5px auto;transition:.25s}

/* hero */
.hero{background:var(--antracito);color:var(--marfim);position:relative;overflow:hidden;
  display:flex;align-items:center;min-height:clamp(520px,80vh,780px)}
.hero .heroimg{position:absolute;inset:0;z-index:0;background:url('hero.jpg') center right/cover no-repeat}
.hero .overlay{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,#16181B 0%,rgba(22,24,27,.95) 28%,rgba(22,24,27,.7) 58%,rgba(22,24,27,.34) 100%)}
.hero h1,.hero h2,.hero h3{color:var(--marfim)}
.hero .eyebrow{color:var(--platina)}
.hero .lead{color:#cfd3d7}
.hero .muted{color:#a9adb2}
.hero .btn{border-color:var(--platina);color:var(--marfim)}
.hero .btn:hover{background:var(--platina);color:var(--antracito);border-color:var(--platina)}
.hero .arrow{color:var(--marfim);border-color:var(--platina)}
.hero .wrap{position:relative;z-index:3;width:100%;padding-block:clamp(48px,8vw,96px)}
.hero .display{max-width:17ch;margin:.35em 0 .5em}
.hero .lead{max-width:52ch}
.hero .integ{margin-top:clamp(28px,4vw,44px)}
.hero-frame::after{content:"";position:absolute;inset:clamp(14px,2.4vw,26px);z-index:2;
  border:1px solid var(--linha-dark);pointer-events:none}
@media (max-width:760px){
  .hero .heroimg{background-image:url('hero-1024.jpg');background-position:center right -40px}
  .hero .overlay{background:linear-gradient(180deg,rgba(22,24,27,.9) 0%,rgba(22,24,27,.8) 55%,rgba(22,24,27,.92) 100%)}
}

/* buttons / links (sóbrios) */
.btn{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.1em;
  text-transform:uppercase;font-weight:600;padding:13px 24px;border:1px solid var(--peltre);
  color:var(--antracito);transition:.2s;background:none}
.btn:hover{background:var(--antracito);color:var(--marfim);border-color:var(--antracito)}
.section--dark .btn{border-color:var(--platina);color:var(--marfim)}
.section--dark .btn:hover{background:var(--platina);color:var(--antracito);border-color:var(--platina)}
.arrow{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:14px;
  color:var(--antracito);border-bottom:1px solid var(--peltre);padding-bottom:3px;transition:.2s}
.section--dark .arrow{color:var(--marfim);border-color:var(--platina)}
.arrow:hover{gap:14px}
.arrow svg{width:15px;height:15px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--linha-dark);
  border:1px solid var(--linha-dark)}
.stats .st{background:var(--antracito);padding:clamp(20px,3vw,34px) clamp(16px,2vw,26px)}
.stats .num{font-family:var(--serif);font-size:clamp(28px,3.6vw,40px);color:var(--marfim);line-height:1}
.stats .lbl{font-size:12px;color:var(--platina);margin-top:10px;letter-spacing:.02em}

/* grid + cards */
.grid{display:grid;gap:clamp(16px,2vw,24px)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--linha);background:var(--branco);padding:clamp(22px,2.6vw,32px);
  transition:.2s;position:relative}
.card:hover{border-color:var(--peltre);transform:translateY(-2px)}
.card .kicker{color:var(--peltre)}
.card h3,.card h2{margin:12px 0 10px;font-size:clamp(19px,2vw,23px);color:var(--antracito)}
.card p{font-size:14.5px;color:var(--grafite)}
.card--dark{background:var(--antracito-2);border-color:var(--linha-dark);color:var(--marfim)}
.card--dark h3,.card--dark h2{color:var(--marfim)}.card--dark p{color:#c3c7cb}
.card .idx{font-family:var(--serif);font-size:15px;color:var(--peltre)}

/* brand (empresas do grupo) list */
.firm{display:grid;grid-template-columns:200px 1fr;gap:clamp(18px,3vw,44px);
  padding-block:clamp(26px,3.4vw,40px);border-top:1px solid var(--linha)}
.firm:last-child{border-bottom:1px solid var(--linha)}
.firm .flogo2{height:38px;width:auto;max-width:190px;display:block;margin-bottom:16px}
.firm .logo-tributarie{height:50px;margin-bottom:12px}
.firm .fname{font-family:var(--serif);font-size:clamp(21px,2.3vw,27px);color:var(--antracito)}
.firm .ftag{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--peltre);margin-top:8px}
.firm p{font-size:14.5px;max-width:70ch}

/* feature two-col */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,72px);align-items:center}
.split--start{align-items:start}

/* sector rows */
.sector{border-top:1px solid var(--linha);padding-block:clamp(22px,3vw,34px);
  display:grid;grid-template-columns:minmax(180px,260px) 1fr;gap:clamp(16px,3vw,48px)}
.sector:last-child{border-bottom:1px solid var(--linha)}
.sector h3,.sector h2{color:var(--antracito);font-size:clamp(19px,2vw,23px)}
.sector p{font-size:14.5px}

/* list clean */
ul.clean{list-style:none}
ul.clean li{position:relative;padding-left:22px;margin-bottom:11px;font-size:14.5px}
ul.clean li::before{content:"";position:absolute;left:0;top:11px;width:11px;height:1px;background:var(--peltre)}
.section--dark ul.clean li::before{background:var(--platina)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px)}
.cinfo dt{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--peltre);
  margin-top:22px;margin-bottom:6px}
.cinfo dd{font-size:15px;color:var(--grafite)}
.cinfo dd a:hover{color:var(--antracito);border-bottom:1px solid var(--peltre)}

/* form */
.form{display:grid;gap:16px}
.field label{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--peltre);margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;font:inherit;font-size:15px;color:var(--grafite);
  background:var(--branco);border:1px solid var(--linha);padding:12px 14px;border-radius:0;transition:.2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--peltre)}
.field textarea{min-height:130px;resize:vertical}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.consent{font-size:12.5px;color:var(--nevoa)}

/* faq */
.faq details{border-top:1px solid var(--linha);padding:18px 0}
.faq details:last-child{border-bottom:1px solid var(--linha)}
.faq summary{cursor:pointer;list-style:none;font-family:var(--serif);font-size:18px;
  color:var(--antracito);display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--peltre);font-family:var(--sans);font-size:22px;font-weight:300}
.faq details[open] summary::after{content:"–"}
.faq p{margin-top:12px;font-size:14.5px;color:var(--grafite);max-width:72ch}

/* breadcrumb */
.crumb{font-size:12px;letter-spacing:.04em;color:var(--nevoa);padding-block:20px}
.crumb a:hover{color:var(--antracito)}
.crumb span{color:var(--peltre);margin-inline:8px}

/* footer */
.site-footer{background:var(--antracito);color:#bfc3c8;padding-block:clamp(48px,6vw,72px) 34px;
  border-top:1px solid var(--linha-dark)}
.site-footer .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:clamp(24px,3vw,44px)}
.site-footer img.flogo{height:28px;filter:invert(1) brightness(1.85);margin-bottom:18px}
.site-footer h2{font-family:var(--sans);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--platina);font-weight:600;margin-bottom:16px}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none;display:grid;gap:10px;font-size:14px}
.site-footer .about{font-size:13.5px;color:#a9adb2;max-width:34ch}
.foot-note{font-size:12px;color:#8b9096;line-height:1.6;max-width:75ch}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  margin-top:34px;padding-top:22px;border-top:1px solid var(--linha-dark);
  font-size:11.5px;letter-spacing:.04em;color:#8b9096}
.foot-bottom a:hover{color:#fff}

/* utilities */
.mt-s{margin-top:20px}.mt-m{margin-top:32px}.mt-l{margin-top:48px}
.center{text-align:center}
.maxw{max-width:52ch}
.section--dark .card .kicker{color:var(--platina)}

/* responsive */
@media (max-width:900px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .site-footer .top{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .firm{grid-template-columns:1fr;gap:10px}
  .sector{grid-template-columns:1fr;gap:8px}
}
@media (max-width:640px){
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--antracito);flex-direction:column;
    align-items:stretch;gap:0;padding:8px var(--pad) 22px;border-bottom:1px solid var(--linha-dark);
    transform:translateY(-140%);transition:transform .28s ease;height:auto}
  .nav.open{transform:translateY(0)}
  .nav a{padding:14px 0;border-bottom:1px solid var(--linha-dark);font-size:15px}
  .nav-cta{text-align:center;margin-top:14px;border-width:1px}
  .menu-btn{display:block}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .site-footer .top{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}