/* ==========================================================================
   BKT Advogados Associados — design system
   Paleta (definida pelo cliente): Verde #3E5B59 · Cinza #E7E7E7 · Branco · Preto
   Header preto (a logo tem BKT em cinza claro). Fonte sans institucional.
   ========================================================================== */

:root{
  /* marca */
  --green:      #3e5b59;
  --green-d:    #314a48;
  --green-dd:   #263938;
  --green-l:    #4b6d6a;
  --gray:       #e7e7e7;
  --gray-2:     #f2f2f0;
  --gray-line:  #dcdddb;

  /* tinta */
  --ink:        #1a1e1d;   /* quase-preto p/ textos */
  --ink-2:      #3b4544;
  --ink-soft:   #5c6664;
  --header:     #0e100f;   /* preto do header (fundo da logo) */
  --white:      #ffffff;

  /* tokens de superfície (seções alternam) */
  --line:       #dcdddb;

  /* on-dark */
  --on-green:      #ffffff;
  --on-green-soft: #d4dedd;

  /* tipografia — sans comum, institucional (sem exageros) */
  --sans: "Libre Franklin", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  /* escala fluida (conservadora) */
  --s--1: clamp(.82rem, .8rem + .1vw, .88rem);
  --s-0:  clamp(1rem, .97rem + .14vw, 1.06rem);
  --s-1:  clamp(1.12rem, 1.05rem + .3vw, 1.28rem);
  --s-2:  clamp(1.35rem, 1.22rem + .5vw, 1.7rem);
  --s-3:  clamp(1.7rem, 1.45rem + .95vw, 2.35rem);
  --s-4:  clamp(2.1rem, 1.7rem + 1.7vw, 3.1rem);

  --sp:   clamp(3.5rem, 2.6rem + 3.6vw, 6rem);
  --wrap: 1180px;
  --radius: 6px;
  --shadow: 0 20px 45px -26px rgba(20,32,31,.4);
  --shadow-sm: 0 10px 26px -18px rgba(20,32,31,.4);

  --header-h: 116px;
  --header-h-stuck: 78px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; scroll-padding-top:90px; overflow-x:hidden; }
body{
  font-family:var(--sans); background:var(--white); color:var(--ink);
  font-size:var(--s-0); line-height:1.7; font-weight:400;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{ display:block; max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ line-height:1.18; font-weight:700; letter-spacing:-.01em; color:var(--ink); }
h1{ font-weight:800; }
strong{ font-weight:700; }

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:clamp(1.1rem,4vw,2rem); }
.section{ padding-block:var(--sp); }

/* alternância de fundo das seções */
.sec-white{ background:var(--white); }
.sec-gray{ background:var(--gray); }
.sec-green{ background:var(--green); color:var(--on-green); }
.sec-green h1,.sec-green h2,.sec-green h3,.sec-green h4{ color:var(--white); }

.kicker{
  display:inline-flex; align-items:center; gap:.55rem; font-size:var(--s--1);
  font-weight:700; text-transform:uppercase; letter-spacing:.18em; color:var(--green);
}
.kicker::before{ content:""; width:28px; height:2px; background:var(--green); }
.sec-green .kicker{ color:var(--on-green); } .sec-green .kicker::before{ background:var(--on-green); }
.sec-head{ max-width:64ch; margin-bottom:clamp(2rem,4vw,3.2rem); }
.sec-head h2{ font-size:var(--s-3); margin:.9rem 0 1rem; }
.sec-head .lead{ font-size:var(--s-1); color:var(--ink-soft); }
.sec-green .sec-head .lead{ color:var(--on-green-soft); }
.lead{ font-size:var(--s-1); color:var(--ink-soft); line-height:1.65; }
.prose p{ margin-bottom:1.1rem; color:var(--ink-2); text-align:justify; hyphens:none; }
.prose p:last-child{ margin-bottom:0; }

/* ---------- botões ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  font-family:inherit; font-weight:700; font-size:var(--s-0); line-height:1;
  padding:.9rem 1.6rem; border-radius:var(--radius); border:1.5px solid transparent;
  cursor:pointer; transition:transform .15s ease, background .2s, color .2s, border-color .2s, box-shadow .2s;
  white-space:nowrap;
}
.btn svg{ width:1.15em; height:1.15em; flex:none; }
.btn--green{ background:var(--green); color:#fff; }
.btn--green:hover{ background:var(--green-d); box-shadow:var(--shadow-sm); }
.btn--green:active{ transform:translateY(1px); }
.btn--wa{ background:#1fa855; color:#fff; }
.btn--wa:hover{ background:#188a46; box-shadow:var(--shadow-sm); }
.btn--wa:active{ transform:translateY(1px); }
.btn--outline{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn--outline:hover{ border-color:var(--green); color:var(--green); }
.btn--ghost-light{ background:transparent; color:#fff; border-color:rgba(255,255,255,.4); }
.btn--ghost-light:hover{ background:rgba(255,255,255,.12); border-color:#fff; }
.btn--lg{ padding:1.05rem 2rem; font-size:var(--s-1); }

/* ---------- header ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:var(--header);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s;
}
.nav{ display:flex; align-items:center; gap:1.5rem; height:var(--header-h); transition:height .35s cubic-bezier(.16,1,.3,1); }
.brand{ display:flex; align-items:center; flex:none; }
.brand-logo{ height:clamp(58px,8vw,86px); width:auto; transition:height .35s cubic-bezier(.16,1,.3,1); }
.site-header.stuck .nav{ height:var(--header-h-stuck); }
.site-header.stuck .brand-logo{ height:clamp(42px,6vw,54px); }
.nav-spacer{ height:var(--header-h); }
.nav-links{ display:flex; align-items:center; gap:1.7rem; margin-left:auto; }
.nav-links a{ color:#e9ecec; font-weight:600; font-size:.97rem; position:relative; padding-block:.4rem; transition:color .2s; }
.nav-links a::after{ content:""; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--green-l); transition:width .25s ease; }
.nav-links a:hover{ color:#fff; } .nav-links a:hover::after{ width:100%; }
.nav-links a.active{ color:#fff; } .nav-links a.active::after{ width:100%; }
.nav-cta{ display:flex; align-items:center; gap:.8rem; margin-left:.3rem; }
/* dropdown áreas */
.has-drop{ position:relative; }
.has-drop>a{ display:inline-flex; align-items:center; gap:.35rem; }
.has-drop a svg{ width:.72em; height:.72em; flex:none; transition:transform .25s; }
.has-drop:hover>a svg{ transform:rotate(180deg); }
.drop{
  position:absolute; top:calc(100% + 10px); left:50%; transform:translateX(-50%) translateY(8px);
  background:#fff; border:1px solid var(--line); border-radius:8px; box-shadow:var(--shadow);
  min-width:280px; padding:.5rem; opacity:0; visibility:hidden; transition:.25s; z-index:20;
}
.has-drop:hover .drop, .has-drop:focus-within .drop{ opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }
.drop a{ display:block; color:var(--ink-2); padding:.6rem .8rem; border-radius:5px; font-size:.94rem; font-weight:600; }
.drop a::after{ display:none; }
.drop a:hover{ background:var(--gray-2); color:var(--green); }
.burger{ display:none; width:46px; height:46px; border:1px solid rgba(255,255,255,.25); border-radius:8px; background:transparent; cursor:pointer; }
.burger span, .burger span::before, .burger span::after{ content:""; display:block; width:20px; height:2px; background:#fff; margin:0 auto; position:relative; transition:.25s; }
.burger span::before{ position:absolute; top:-6px; } .burger span::after{ position:absolute; top:6px; }
.burger.open span{ background:transparent; }
.burger.open span::before{ top:0; transform:rotate(45deg); }
.burger.open span::after{ top:0; transform:rotate(-45deg); }

/* ---------- hero ---------- */
.hero{ position:relative; min-height:clamp(560px,88vh,780px); display:flex; align-items:center; color:#fff; overflow:hidden; }
.hero-bg{ position:absolute; inset:0; z-index:0; }
.hero-bg img{ width:100%; height:100%; object-fit:cover; }
.hero-bg::after{ content:""; position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(14,16,15,.9) 0%, rgba(14,16,15,.78) 42%, rgba(38,57,56,.6) 100%); }
.hero-inner{ position:relative; z-index:1; max-width:720px; padding-block:clamp(3rem,7vw,5rem); }
.hero .kicker{ color:#fff; } .hero .kicker::before{ background:var(--green-l); }
.hero h1{ font-size:var(--s-4); line-height:1.12; margin:1.1rem 0 1.3rem; color:#fff; }
.hero h1 em{ font-style:normal; color:#9db8b5; }
.hero p{ font-size:var(--s-1); color:#e5e9e8; max-width:56ch; margin-bottom:2rem; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:.9rem; }
.hero-marks{ display:flex; flex-wrap:wrap; gap:1.2rem 2rem; margin-top:2.4rem; padding-top:1.8rem; border-top:1px solid rgba(255,255,255,.18); }
.hero-marks .m{ display:flex; align-items:center; gap:.55rem; font-size:.92rem; color:#dfe6e5; font-weight:600; }
.hero-marks .m b{ color:#fff; font-weight:800; font-size:1.15rem; }
.hero-marks .m svg{ width:1.2rem; height:1.2rem; color:#9db8b5; flex:none; }

/* ---------- faixa de destaque ---------- */
.trust{ background:var(--green-dd); color:#fff; }
.trust .wrap{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:1rem 2rem; padding-block:1.3rem; }
.trust .t{ display:flex; align-items:center; gap:.6rem; font-weight:600; font-size:.96rem; flex:1 1 0; justify-content:center; text-align:center; }
.trust .t svg{ width:1.3rem; height:1.3rem; color:#9db8b5; flex:none; }
@media(max-width:900px){ .trust .wrap{ flex-direction:column; align-items:flex-start; } .trust .t{ flex:none; justify-content:flex-start; text-align:left; } }

/* ---------- intro / sobre split ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,5vw,4.5rem); align-items:center; }
.split--rev .split-media{ order:2; }
.split-media{ position:relative; }
.split-media img{ width:100%; border-radius:var(--radius); box-shadow:var(--shadow); aspect-ratio:4/3.2; object-fit:cover; }
.split-media .badge{
  position:absolute; left:-1rem; bottom:-1rem; background:var(--green); color:#fff;
  padding:1.1rem 1.4rem; border-radius:var(--radius); box-shadow:var(--shadow); max-width:210px;
}
.split-media .badge b{ display:block; font-size:2rem; font-weight:800; line-height:1; }
.split-media .badge span{ font-size:.86rem; color:var(--on-green-soft); }
.split-body h2{ font-size:var(--s-3); margin:.9rem 0 1.2rem; }
.checklist{ list-style:none; display:grid; gap:.8rem; margin:1.6rem 0 2rem; }
.checklist li{ display:flex; gap:.7rem; align-items:flex-start; font-weight:600; color:var(--ink-2); }
.checklist svg{ width:1.3rem; height:1.3rem; color:var(--green); flex:none; margin-top:.15rem; }
.sec-green .checklist li{ color:#eef3f2; } .sec-green .checklist svg{ color:#fff; }

/* ---------- áreas (cards) ---------- */
.area-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.3rem; }
.area-card{ display:flex; flex-direction:column; background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; transition:transform .28s cubic-bezier(.16,1,.3,1), box-shadow .28s, border-color .28s; }
.area-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow); border-color:var(--green); }
.area-card .ph{ height:172px; overflow:hidden; position:relative; }
.area-card .ph img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.area-card:hover .ph img{ transform:scale(1.05); }
.area-card .bd{ padding:1.5rem 1.5rem 1.7rem; display:flex; flex-direction:column; flex:1; }
.area-card .ic{ width:48px; height:48px; border-radius:8px; background:var(--gray-2); color:var(--green); display:grid; place-items:center; margin:-3.4rem 0 1rem; position:relative; z-index:2; border:4px solid #fff; }
.area-card .ic svg{ width:1.5rem; height:1.5rem; }
.area-card h3{ font-size:var(--s-1); margin-bottom:.5rem; }
.area-card p{ color:var(--ink-soft); font-size:.96rem; flex:1; margin-bottom:1rem; }
.area-card .more{ font-weight:700; color:var(--green); font-size:.92rem; display:inline-flex; align-items:center; gap:.4rem; }
.area-card .more svg{ width:1rem; height:1rem; transition:transform .25s; }
.area-card:hover .more svg{ transform:translateX(4px); }

/* lista simples de áreas (sem foto) para seções internas */
.mini-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.1rem; }
.mini-grid.mg-2{ grid-template-columns:repeat(2,1fr); }
.mini{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:1.4rem; display:flex; gap:.9rem; align-items:flex-start; transition:border-color .25s, transform .25s; }
.mini:hover{ border-color:var(--green); transform:translateY(-3px); }
.mini .ic{ width:42px; height:42px; border-radius:7px; background:var(--gray-2); color:var(--green); display:grid; place-items:center; flex:none; }
.mini .ic svg{ width:1.35rem; height:1.35rem; }
.mini h3{ font-size:1.02rem; margin-bottom:.25rem; }
.mini p{ font-size:.9rem; color:var(--ink-soft); }
.sec-gray .area-card,.sec-gray .mini{ background:#fff; }

/* ---------- valores (grid em fundo verde) ---------- */
.values{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.6rem 2rem; }
.value{ display:flex; flex-direction:column; gap:.5rem; }
.value .ic{ width:52px; height:52px; border-radius:9px; background:rgba(255,255,255,.12); color:#fff; display:grid; place-items:center; margin-bottom:.4rem; }
.value .ic svg{ width:1.6rem; height:1.6rem; }
.value h3{ font-size:1.1rem; color:#fff; }
.value p{ color:var(--on-green-soft); font-size:.95rem; }

/* ---------- números / diferenciais ---------- */
.stat-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.5rem; text-align:center; }
.stat b{ display:block; font-size:clamp(2rem,4vw,2.8rem); font-weight:800; color:var(--green); line-height:1; }
.sec-green .stat b{ color:#fff; }
.stat span{ font-size:.92rem; color:var(--ink-soft); font-weight:600; }
.sec-green .stat span{ color:var(--on-green-soft); }

/* ---------- processo ---------- */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.4rem; }
.step{ position:relative; padding-top:1rem; }
.step .n{ width:46px; height:46px; border-radius:50%; background:var(--green); color:#fff; display:grid; place-items:center; font-weight:800; margin-bottom:1rem; }
.step h3{ font-size:1.06rem; margin-bottom:.4rem; }
.step p{ font-size:.93rem; color:var(--ink-soft); }
.sec-green .step .n{ background:#fff; color:var(--green); }
.sec-green .step p{ color:var(--on-green-soft); }

/* ---------- CTA band ---------- */
.cta-band{ background:var(--green); color:#fff; border-radius:var(--radius); padding:clamp(2.2rem,4vw,3.4rem); }
.cta-band .in{ display:grid; grid-template-columns:1.4fr auto; gap:1.8rem; align-items:center; }
.cta-band h2{ color:#fff; font-size:var(--s-3); margin-bottom:.6rem; }
.cta-band p{ color:var(--on-green-soft); max-width:52ch; }
.cta-band .acts{ display:flex; flex-direction:column; gap:.8rem; }

/* ---------- page hero (internas) ---------- */
.page-hero{ position:relative; background:var(--header); color:#fff; padding-block:clamp(2.5rem,5vw,4rem); overflow:hidden; }
.page-hero.has-img .ph-bg{ position:absolute; inset:0; z-index:0; }
.page-hero.has-img .ph-bg img{ width:100%; height:100%; object-fit:cover; opacity:.28; }
.page-hero .wrap{ position:relative; z-index:1; }
.crumb{ display:flex; flex-wrap:wrap; gap:.5rem; align-items:center; font-size:.86rem; color:#aeb9b8; font-weight:600; margin-bottom:1rem; }
.crumb a{ color:#cfe0de; } .crumb a:hover{ text-decoration:underline; } .crumb .sep{ opacity:.5; }
.page-hero h1{ font-size:var(--s-4); color:#fff; max-width:20ch; }
.page-hero p{ color:#dbe3e2; font-size:var(--s-1); max-width:60ch; margin-top:1rem; }

/* ---------- listas de serviços internas ---------- */
.svc-cols{ columns:2; column-gap:2.5rem; }
.svc-cols li{ break-inside:avoid; list-style:none; display:flex; gap:.7rem; align-items:flex-start; padding:.55rem 0; border-bottom:1px solid var(--line); color:var(--ink-2); font-weight:500; }
.svc-cols li svg{ width:1.15rem; height:1.15rem; color:var(--green); flex:none; margin-top:.28rem; }
.svc-block{ margin-bottom:2.4rem; }
.svc-block h3{ font-size:var(--s-2); margin-bottom:1rem; padding-bottom:.6rem; border-bottom:2px solid var(--green); display:inline-block; }

/* ---------- contato ---------- */
.contact-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(2rem,5vw,4rem); }
.ci-list{ display:grid; gap:1.2rem; }
.ci{ display:flex; gap:1rem; align-items:flex-start; }
.ci .ic{ width:48px; height:48px; border-radius:8px; background:var(--gray-2); color:var(--green); display:grid; place-items:center; flex:none; }
.ci .ic svg{ width:1.4rem; height:1.4rem; }
.ci b{ display:block; font-size:.78rem; text-transform:uppercase; letter-spacing:.1em; color:var(--ink-soft); margin-bottom:.15rem; }
.ci span{ color:var(--ink-2); font-weight:600; }
.map-wrap{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); min-height:320px; }
.map-wrap iframe{ width:100%; height:100%; min-height:320px; border:0; display:block; }

/* ---------- footer ---------- */
.site-footer{ background:var(--header); color:#b9c2c1; padding-block:clamp(3rem,5vw,4.5rem) 1.8rem; }
.foot-grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:2.2rem; }
.foot-logo{ height:74px; width:auto; margin-bottom:1.1rem; }
.foot-about{ font-size:.94rem; color:#9aa4a3; max-width:34ch; }
.foot-col h4{ color:#fff; font-size:.8rem; text-transform:uppercase; letter-spacing:.12em; margin-bottom:1.1rem; }
.foot-col a,.foot-col p{ display:block; color:#9aa4a3; font-size:.94rem; margin-bottom:.6rem; transition:color .2s; }
.foot-col a:hover{ color:#fff; }
.foot-bottom{ display:flex; flex-wrap:wrap; gap:.8rem; justify-content:space-between; border-top:1px solid rgba(255,255,255,.1); margin-top:2.6rem; padding-top:1.5rem; font-size:.85rem; color:#7e8887; }

/* ---------- whatsapp float ---------- */
.wa-float{ position:fixed; right:18px; bottom:18px; z-index:90; width:58px; height:58px; border-radius:50%; background:#1fa855; color:#fff; display:grid; place-items:center; box-shadow:0 12px 30px -8px rgba(31,168,85,.5); transition:transform .2s; }
.wa-float:hover{ transform:scale(1.06); }
.wa-float svg{ width:32px; height:32px; }

/* ---------- reveal ---------- */
.rv{ opacity:0; transform:translateY(22px); transition:opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.rv.in{ opacity:1; transform:none; }
@media(prefers-reduced-motion:reduce){ .rv{ opacity:1; transform:none; transition:none; } html{ scroll-behavior:auto; } }

/* ---------- responsivo ---------- */
@media(max-width:980px){
  .split{ grid-template-columns:1fr; } .split--rev .split-media{ order:0; }
  .split-media{ max-width:520px; }
  .area-grid{ grid-template-columns:1fr 1fr; }
  .mini-grid{ grid-template-columns:1fr 1fr; }
  .values{ grid-template-columns:1fr 1fr; }
  .steps{ grid-template-columns:1fr 1fr; }
  .stat-row{ grid-template-columns:1fr 1fr; gap:2rem 1rem; }
  .contact-grid{ grid-template-columns:1fr; }
  .cta-band .in{ grid-template-columns:1fr; }
  .foot-grid{ grid-template-columns:1fr 1fr; gap:2rem 1.5rem; }
}
@media(max-width:720px){
  :root{ --header-h:92px; }
  .nav-links{
    position:fixed; top:var(--header-h); left:0; right:0; width:100%; flex-direction:column; align-items:stretch; gap:0;
    background:var(--header); padding:.4rem 1.4rem 1.6rem; margin:0;
    transform:translateY(-150%); transition:transform .38s cubic-bezier(.16,1,.3,1); box-shadow:0 22px 40px rgba(0,0,0,.35);
    border-top:1px solid rgba(255,255,255,.1); max-height:calc(100dvh - var(--header-h)); overflow-y:auto; overflow-x:hidden;
  }
  .site-header.stuck .nav-links{ top:var(--header-h-stuck); }
  .nav-links.open{ transform:translateY(0); }
  .nav-links a{ padding:.9rem 0; border-bottom:1px solid rgba(255,255,255,.1); font-size:1.05rem; }
  .nav-links a::after{ display:none; }
  .has-drop .drop{ position:static; transform:none; opacity:1; visibility:visible; box-shadow:none; border:0; background:transparent; padding:.2rem 0 .5rem 1rem; min-width:0; }
  .has-drop .drop a{ color:#b9c2c1; padding:.5rem 0; }
  .has-drop>a svg{ display:none; }
  .nav-cta .btn:not(.burger){ display:none; }
  .burger{ display:block; margin-left:auto; }
  .area-grid,.mini-grid,.values,.steps,.stat-row{ grid-template-columns:1fr; }
  .mini-grid.mg-2{ grid-template-columns:1fr; }
  .svc-cols{ columns:1; }
  .foot-grid{ grid-template-columns:1fr; }
  .split-media .badge{ left:0; }
}