/* ============================================================
   Bittencourt & Freitas Advogados — folha de estilos
   Linguagem visual: papel timbrado / documento formal
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root{
  --ink: #1B2430;
  --ink-soft: #2B3644;
  --paper: #F6F4EF;
  --paper-raised: #FBFAF7;
  --burgundy: #6E1F2A;
  --burgundy-deep: #531620;
  --gold: #96762E;
  --slate: #5B6472;
  --line: #D8D3C7;
  --line-on-dark: rgba(246,244,239,0.16);
  --text-on-dark: #EDE9DF;

  --serif: "Source Serif 4", Georgia, serif;
  --sans: "IBM Plex Sans", Arial, sans-serif;

  --measure: 68ch;
  --gutter: clamp(24px, 6vw, 72px);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }

h1,h2,h3{
  font-family: var(--serif);
  font-weight: 600;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

p{ margin: 0 0 1em 0; }

.container{
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- skip link / focus ---------- */
.skip-link{
  position:absolute; left:-999px; top:auto;
}
.skip-link:focus{
  position: fixed; left: 16px; top: 16px; z-index: 999;
  background: var(--paper); color: var(--ink);
  padding: 8px 14px; border: 1px solid var(--ink);
  font-family: var(--sans); font-size: 14px;
}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--burgundy);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ============================================================
   Cabeçalho / letterhead
   ============================================================ */
header.site-header{
  background: var(--ink);
  color: var(--text-on-dark);
  border-bottom: 3px solid var(--gold);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 22px var(--gutter);
  max-width: 1120px;
  margin: 0 auto;
  gap: 20px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 14px;
}

.brand-mark{
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--gold);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.brand-name{
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.25;
  color: var(--text-on-dark);
}
.brand-name span{
  display:block;
  font-family: var(--sans);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--gold);
  margin-top: 3px;
}

nav.main-nav ul{
  display:flex;
  gap: 30px;
  margin:0; padding:0;
  list-style:none;
  font-family: var(--sans);
  font-size: 14.5px;
}
nav.main-nav a{
  position: relative;
  padding-bottom: 4px;
  color: var(--text-on-dark);
}
nav.main-nav a[aria-current="page"]{
  color: var(--gold);
}
nav.main-nav a[aria-current="page"]::after{
  content:"";
  position:absolute; left:0; right:0; bottom:-1px;
  height: 1px; background: var(--gold);
}
nav.main-nav a:hover{ color: var(--gold); }

.nav-toggle{
  display:none;
  background:none; border: 1px solid var(--line-on-dark);
  color: var(--text-on-dark);
  font-family: var(--sans); font-size: 14px;
  padding: 8px 12px;
  cursor:pointer;
}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  background: var(--ink);
  color: var(--text-on-dark);
  padding: clamp(56px, 9vw, 108px) var(--gutter) clamp(48px, 7vw, 88px);
  border-bottom: 1px solid var(--line-on-dark);
}
.hero-inner{
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 56px;
  align-items: end;
}
.hero-eyebrow{
  font-family: var(--sans);
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 18px;
  opacity: 0;
  animation: rise 0.7s ease-out 0.05s forwards;
}
.hero h1{
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.12;
  color: var(--text-on-dark);
  max-width: 15ch;
  opacity: 0;
  animation: rise 0.7s ease-out 0.15s forwards;
}
.hero .lede{
  font-family: var(--serif);
  font-size: 18px;
  color: #C9C2AE;
  max-width: 46ch;
  margin-top: 22px;
  opacity: 0;
  animation: rise 0.7s ease-out 0.3s forwards;
}
@keyframes rise{
  from{ opacity: 0; transform: translateY(10px); }
  to{ opacity: 1; transform: translateY(0); }
}

.colophon{
  border-left: 1px solid var(--line-on-dark);
  padding-left: 28px;
  font-family: var(--sans);
  font-size: 13px;
  color: #A7A093;
  line-height: 1.9;
}
.colophon strong{
  display:block;
  color: var(--text-on-dark);
  font-family: var(--serif);
  font-size: 15px;
  margin-bottom: 6px;
}

@media (max-width: 760px){
  .hero-inner{ grid-template-columns: 1fr; }
  .colophon{ border-left:none; border-top: 1px solid var(--line-on-dark); padding-left:0; padding-top: 20px; }
}

/* ============================================================
   Seções gerais
   ============================================================ */
section{
  padding: clamp(56px, 8vw, 96px) var(--gutter);
}
section + section{
  border-top: 1px solid var(--line);
}
.section-head{
  display:flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto 44px auto;
  flex-wrap: wrap;
}
.section-head h2{
  font-size: clamp(26px, 3vw, 34px);
}
.section-head .ref{
  font-family: var(--sans);
  font-size: 13px;
  color: var(--slate);
  white-space: nowrap;
}
.section-intro{
  max-width: var(--measure);
  margin: 0 auto 44px auto;
  color: var(--ink-soft);
  font-size: 17.5px;
}

.inner{
  max-width: 1120px;
  margin: 0 auto;
}

/* ---------- lista com regra (substitui "cards") ---------- */
.rule-list{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 56px;
}
.rule-item{
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.rule-item:nth-child(1), .rule-item:nth-child(2){ border-top: none; }
.rule-item h3{
  font-size: 19px;
  margin-bottom: 8px;
}
.rule-item p{
  color: var(--slate);
  font-size: 15.5px;
  margin-bottom: 0;
}
@media (max-width: 760px){
  .rule-list{ grid-template-columns: 1fr; }
  .rule-item:nth-child(2){ border-top: 1px solid var(--line); }
}

/* ---------- valores (lista simples, sem numeração pois não é sequência) ---------- */
.values{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1120px;
  margin: 0 auto;
}
.values .value-item{
  border-left: 2px solid var(--gold);
  padding-left: 20px;
}
.values h3{ font-size: 17px; margin-bottom: 8px; }
.values p{ color: var(--slate); font-size: 15px; margin: 0; }
@media (max-width: 760px){
  .values{ grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- faixa CTA ---------- */
.cta-strip{
  background: var(--burgundy);
  color: var(--paper);
  padding: 48px var(--gutter);
}
.cta-strip .inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-strip h2{
  color: var(--paper);
  font-size: clamp(22px, 2.6vw, 28px);
  max-width: 34ch;
}
.btn{
  display:inline-block;
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  padding: 13px 26px;
  border: 1px solid currentColor;
  transition: background-color 0.2s ease, color 0.2s ease;
  flex-shrink:0;
}
.btn-light{
  color: var(--paper);
}
.btn-light:hover{
  background: var(--paper);
  color: var(--burgundy);
}
.btn-dark{
  color: var(--ink);
  border-color: var(--ink);
}
.btn-dark:hover{
  background: var(--ink);
  color: var(--paper);
}

/* ============================================================
   Rodapé
   ============================================================ */
footer.site-footer{
  background: var(--ink);
  color: #A7A093;
  padding: 52px var(--gutter) 34px;
  font-family: var(--sans);
  font-size: 13.5px;
}
.footer-grid{
  max-width: 1120px;
  margin: 0 auto;
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line-on-dark);
}
.footer-grid h4{
  font-family: var(--serif);
  color: var(--text-on-dark);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 14px 0;
}
.footer-grid p, .footer-grid li{ line-height: 1.9; }
.footer-grid ul{ list-style:none; margin:0; padding:0; }
.footer-grid a:hover{ color: var(--gold); }
.footer-bottom{
  max-width: 1120px;
  margin: 18px auto 0;
  display:flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
@media (max-width: 760px){
  .footer-grid{ grid-template-columns: 1fr; gap: 28px; }
}

/* ============================================================
   Página "Áreas de atuação"
   ============================================================ */
.area-block{
  padding: 34px 0;
  border-top: 1px solid var(--line);
  display:grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
}
.area-block:first-of-type{ border-top: none; padding-top: 0; }
.area-block h3{
  font-size: 21px;
  border-left: 2px solid var(--burgundy);
  padding-left: 16px;
}
.area-block .area-text{
  max-width: var(--measure);
  color: var(--ink-soft);
}
.area-block .area-text p{ margin-bottom: 0.85em; }
@media (max-width: 760px){
  .area-block{ grid-template-columns: 1fr; gap: 14px; }
}

/* ============================================================
   Página de contato
   ============================================================ */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  max-width: 1120px;
  margin: 0 auto;
  align-items: start;
}
.contact-info dl{
  margin: 0;
  border-top: 1px solid var(--line);
}
.contact-info dt{
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--slate);
  margin-top: 22px;
}
.contact-info dd{
  margin: 4px 0 0 0;
  font-size: 17px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.map-frame{
  width:100%;
  height: 220px;
  border: 1px solid var(--line);
  margin-top: 26px;
  filter: grayscale(0.15) contrast(1.02);
}

form.contact-form{
  display:flex;
  flex-direction: column;
  gap: 18px;
}
.field{
  display:flex;
  flex-direction: column;
  gap: 6px;
}
.field label{
  font-family: var(--sans);
  font-size: 13px;
  color: var(--slate);
}
.field input, .field select, .field textarea{
  font-family: var(--serif);
  font-size: 16px;
  padding: 10px 2px;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-bottom-color: var(--burgundy);
}
.field textarea{ resize: vertical; min-height: 100px; }
.form-note{
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--slate);
  margin-top: -4px;
}
.contact-form .btn{
  align-self: flex-start;
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  cursor: pointer;
}
.contact-form .btn:hover{
  background: var(--burgundy);
  border-color: var(--burgundy);
}

@media (max-width: 760px){
  .contact-grid{ grid-template-columns: 1fr; gap: 44px; }
}

/* ============================================================
   Nav responsiva
   ============================================================ */
@media (max-width: 760px){
  .nav-toggle{ display:inline-block; }
  nav.main-nav{
    display:none;
    position: absolute;
    top: 100%; left:0; right:0;
    background: var(--ink);
    border-bottom: 3px solid var(--gold);
  }
  nav.main-nav.open{ display:block; }
  nav.main-nav ul{
    flex-direction: column;
    gap: 0;
    padding: 6px var(--gutter) 18px;
  }
  nav.main-nav li{ padding: 10px 0; border-top: 1px solid var(--line-on-dark); }
  nav.main-nav li:first-child{ border-top:none; }
  header.site-header{ position: relative; }
}