/* ============================================================
   CNIB.COM.BR — Design System "Livro de Registro"
   Família visual: Gabriel Valério Advocacia (renajud.com.br)
   Verde-tinta registral + dourado da casa + lacre vermelho
   ============================================================ */

:root{
  --ink:#0C1310;            /* verde-tinta profundo (capa do livro) */
  --ink-2:#122019;          /* painel elevado */
  --ink-3:#18291F;          /* borda de painel */
  --gold:#C8A24A;
  --gold-soft:#D9B871;
  --gold-dark:#A88838;
  --gold-line:rgba(200,162,74,.28);
  --ivory:#F5F1E8;
  --paper:#FAFAF7;
  --paper-2:#F1EDE2;        /* papel de matrícula */
  --graphite:#1F1F22;
  --seal:#8C2F2F;           /* lacre da indisponibilidade */
  --seal-soft:rgba(140,47,47,.12);
  --muted-l:rgba(245,241,232,.72);
  --muted-d:rgba(31,31,34,.72);
  --font-display:'Cinzel','Cormorant Garamond',Georgia,serif;
  --font-serif:'Cormorant Garamond',Georgia,serif;
  --font-sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'Courier New',ui-monospace,monospace;
  --container:1160px;
  --narrow:840px;
  --r:6px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:var(--font-sans);font-size:17px;line-height:1.7;
  color:var(--graphite);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--gold-dark)}
.container{max-width:var(--container);margin:0 auto;padding:0 22px}
.narrow{max-width:var(--narrow);margin:0 auto;padding:0 22px}

/* ---------- tipografia ---------- */
h1,h2,h3{font-family:var(--font-serif);font-weight:600;line-height:1.18;color:var(--ink)}
h1{font-size:clamp(1.9rem,4.4vw,3.1rem);letter-spacing:.2px}
h2{font-size:clamp(1.5rem,3vw,2.15rem);margin-bottom:.6em}
h3{font-size:1.28rem;margin-bottom:.4em}
.eyebrow{
  font-family:var(--font-display);font-size:.78rem;letter-spacing:.24em;
  text-transform:uppercase;color:var(--gold-dark);display:block;margin-bottom:14px;
}
.lead{font-size:1.14rem;color:var(--muted-d)}
section{padding:72px 0}
section p+p{margin-top:1em}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(12,19,16,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--gold-line);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none}
.brand-mark{font-family:var(--font-display);font-size:1.45rem;color:var(--ivory);letter-spacing:.12em}
.brand-mark b{color:var(--gold);font-weight:700}
.brand-sub{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-l)}
.nav{display:flex;gap:26px;align-items:center}
.nav a{color:var(--muted-l);text-decoration:none;font-size:.9rem}
.nav a:hover{color:var(--gold-soft)}
.nav .btn{padding:9px 18px;font-size:.85rem}
@media(max-width:860px){.nav a:not(.btn){display:none}.brand-sub{display:none}}

/* ---------- botões ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:14px 26px;border-radius:var(--r);
  font-weight:600;font-size:.95rem;text-decoration:none;transition:transform .15s,box-shadow .15s;
  cursor:pointer;border:none;font-family:var(--font-sans);
}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--ink)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(200,162,74,.35)}
.btn-ghost{background:transparent;color:var(--ivory);border:1px solid var(--gold-line)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft)}
.btn-whats{background:#1E8E5A;color:#fff}
.btn-whats:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(30,142,90,.35)}
.btn svg{flex:none}

/* ---------- hero ---------- */
.hero{
  background:
    radial-gradient(1100px 480px at 82% -10%, rgba(200,162,74,.10), transparent 60%),
    linear-gradient(180deg,var(--ink) 0%,#0E1713 100%);
  color:var(--ivory);padding:84px 0 90px;
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}}
.hero h1{color:var(--ivory)}
.hero h1 em{font-style:normal;color:var(--gold-soft)}
.hero .lead{color:var(--muted-l);margin:20px 0 30px;max-width:56ch}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:22px;font-size:.85rem;color:var(--muted-l)}
.hero-note b{color:var(--gold-soft)}

/* ---------- fac-símile da matrícula (assinatura) ---------- */
.matricula{
  background:var(--paper-2);color:var(--graphite);border-radius:4px;
  box-shadow:0 24px 60px rgba(0,0,0,.45), 0 0 0 1px rgba(0,0,0,.08);
  padding:26px 26px 22px;font-family:var(--font-mono);font-size:.8rem;line-height:1.55;
  position:relative;transform:rotate(.4deg);
}
.matricula::before{
  content:"";position:absolute;inset:8px;border:1px solid rgba(31,31,34,.18);pointer-events:none;
}
.mat-head{
  text-align:center;font-family:var(--font-serif);font-size:.92rem;letter-spacing:.06em;
  border-bottom:1px solid rgba(31,31,34,.25);padding-bottom:10px;margin-bottom:12px;
}
.mat-row{padding:7px 6px;border-radius:3px}
.mat-row+.mat-row{border-top:1px dashed rgba(31,31,34,.16)}
.mat-label{color:var(--muted-d);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;display:block}
.mat-hot{background:var(--seal-soft);outline:1px solid rgba(140,47,47,.35);cursor:help;position:relative}
.mat-hot .mat-tip{
  display:none;position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:5;
  background:var(--ink);color:var(--ivory);font-family:var(--font-sans);font-size:.78rem;
  padding:12px 14px;border-radius:var(--r);border:1px solid var(--gold-line);line-height:1.5;
}
.mat-hot:hover .mat-tip,.mat-hot:focus-within .mat-tip,.mat-hot.open .mat-tip{display:block}
.mat-seal{
  position:absolute;right:18px;top:44%;width:112px;height:112px;border:3px solid var(--seal);
  border-radius:50%;display:grid;place-content:center;text-align:center;color:var(--seal);
  font-family:var(--font-serif);font-weight:700;font-size:.7rem;letter-spacing:.1em;
  transform:rotate(-12deg);opacity:.85;pointer-events:none;
}
.mat-seal::after{content:"";position:absolute;inset:7px;border:1px solid var(--seal);border-radius:50%}
.mat-caption{font-family:var(--font-sans);font-size:.75rem;color:var(--muted-l);margin-top:14px;text-align:center}
.hash-mark{color:var(--seal);font-weight:700}

/* ---------- triagem ---------- */
.triage{background:var(--ink-2);border-top:1px solid var(--ink-3);border-bottom:1px solid var(--ink-3);color:var(--ivory);padding:64px 0}
.triage h2{color:var(--ivory)}
.triage-sub{color:var(--muted-l);max-width:62ch}
.triage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
@media(max-width:960px){.triage-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.triage-grid{grid-template-columns:1fr}}
.tri-card{
  background:var(--ink);border:1px solid var(--ink-3);border-radius:var(--r);
  padding:22px 20px;cursor:pointer;text-align:left;color:var(--ivory);
  font-family:var(--font-sans);transition:border-color .15s,transform .15s;
}
.tri-card:hover{border-color:var(--gold);transform:translateY(-3px)}
.tri-card[aria-pressed="true"]{border-color:var(--gold);background:linear-gradient(180deg,rgba(200,162,74,.10),transparent)}
.tri-card h3{color:var(--gold-soft);font-size:1.05rem;margin-bottom:6px}
.tri-card p{font-size:.85rem;color:var(--muted-l);line-height:1.5}
.tri-result{
  margin-top:26px;background:var(--ink);border:1px solid var(--gold-line);border-left:3px solid var(--gold);
  border-radius:var(--r);padding:26px;display:none;
}
.tri-result.show{display:block;animation:fadeUp .35s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tri-result h3{color:var(--gold-soft)}
.tri-result p{color:var(--muted-l);margin:10px 0 18px;max-width:70ch}

/* ---------- corpo / prosa ---------- */
.section-alt{background:var(--paper-2)}
.definition{
  background:#fff;border:1px solid rgba(31,31,34,.1);border-left:3px solid var(--gold);
  border-radius:var(--r);padding:24px 26px;margin:26px 0;font-size:1.06rem;
}
.definition b{color:var(--ink)}

/* tabela comparativa */
.tbl{width:100%;border-collapse:collapse;margin:28px 0;font-size:.93rem;background:#fff;border:1px solid rgba(31,31,34,.12)}
.tbl th{
  background:var(--ink);color:var(--ivory);font-family:var(--font-serif);font-weight:600;
  text-align:left;padding:13px 16px;font-size:.98rem;
}
.tbl td{padding:12px 16px;border-top:1px solid rgba(31,31,34,.1);vertical-align:top}
.tbl tr:nth-child(even) td{background:var(--paper)}
.tbl .yes{color:#1E7A4E;font-weight:600}
.tbl .no{color:var(--seal);font-weight:600}
.tbl-wrap{overflow-x:auto}

/* passos */
.steps{counter-reset:step;margin:30px 0;display:grid;gap:16px}
.step{
  background:#fff;border:1px solid rgba(31,31,34,.1);border-radius:var(--r);
  padding:22px 24px 22px 74px;position:relative;
}
.step::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:22px;top:20px;width:36px;height:36px;border-radius:50%;
  background:var(--ink);color:var(--gold-soft);font-family:var(--font-serif);font-weight:700;
  display:grid;place-content:center;font-size:1.05rem;
}
.step h3{font-size:1.12rem}
.step p{font-size:.95rem;color:var(--muted-d);margin-top:4px}

/* cards de casos */
.silo-label{
  font-family:var(--font-display);font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold-dark);margin:38px 0 16px;display:flex;align-items:center;gap:14px;
}
.silo-label::after{content:"";flex:1;height:1px;background:var(--gold-line)}
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:920px){.cases{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cases{grid-template-columns:1fr}}
.case{
  background:#fff;border:1px solid rgba(31,31,34,.1);border-radius:var(--r);padding:22px;
  text-decoration:none;color:var(--graphite);transition:transform .15s,box-shadow .15s,border-color .15s;
  display:block;
}
.case:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(12,19,16,.12);border-color:var(--gold)}
.case h3{font-size:1.06rem;color:var(--ink)}
.case p{font-size:.86rem;color:var(--muted-d);margin-top:6px;line-height:1.55}
.case .go{font-size:.8rem;color:var(--gold-dark);font-weight:600;margin-top:12px;display:inline-block}

/* base legal */
.law-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px}
@media(max-width:760px){.law-grid{grid-template-columns:1fr}}
.law{
  background:#fff;border:1px solid rgba(31,31,34,.1);border-radius:var(--r);padding:18px 20px;font-size:.9rem;
}
.law b{font-family:var(--font-serif);color:var(--ink);font-size:1rem;display:block;margin-bottom:4px}

/* autor / E-E-A-T */
.author{background:var(--ink);color:var(--ivory)}
.author-card{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;max-width:var(--narrow);margin:0 auto;padding:0 22px}
@media(max-width:640px){.author-card{grid-template-columns:1fr}}
.author-mono{
  width:118px;height:118px;border-radius:50%;border:2px solid var(--gold);
  display:grid;place-content:center;font-family:var(--font-display);font-size:2.1rem;color:var(--gold-soft);
}
.author h2{color:var(--ivory)}
.author p{color:var(--muted-l);font-size:.96rem}
.author a{color:var(--gold-soft)}

/* FAQ */
.faq details{
  background:#fff;border:1px solid rgba(31,31,34,.1);border-radius:var(--r);
  margin-bottom:12px;overflow:hidden;
}
.faq summary{
  cursor:pointer;padding:18px 22px;font-family:var(--font-serif);font-weight:600;font-size:1.08rem;
  color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-sans);color:var(--gold-dark);font-size:1.3rem;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-a{padding:0 22px 20px;color:var(--muted-d);font-size:.95rem}
.faq .faq-a p+p{margin-top:.8em}

/* CTA final */
.cta-final{
  background:
    radial-gradient(900px 400px at 50% 120%, rgba(200,162,74,.14), transparent 60%),
    var(--ink);
  color:var(--ivory);text-align:center;padding:88px 0;
}
.cta-final h2{color:var(--ivory);max-width:22ch;margin:0 auto .5em}
.cta-final p{color:var(--muted-l);max-width:58ch;margin:0 auto 30px}

/* footer */
.site-footer{background:#080D0B;color:var(--muted-l);padding:52px 0 34px;font-size:.86rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{font-family:var(--font-serif);color:var(--gold-soft);font-size:1rem;margin-bottom:12px}
.site-footer a{color:var(--muted-l);text-decoration:none;display:block;padding:3px 0}
.site-footer a:hover{color:var(--gold-soft)}
.footer-legal{border-top:1px solid var(--ink-3);margin-top:38px;padding-top:22px;font-size:.78rem;color:rgba(245,241,232,.45)}

/* WhatsApp flutuante */
.whats-float{
  position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;
  background:#1E8E5A;display:grid;place-content:center;box-shadow:0 10px 30px rgba(0,0,0,.3);
  transition:transform .15s;
}
.whats-float:hover{transform:scale(1.08)}

/* acessibilidade */
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--gold);color:var(--ink);padding:10px 16px;z-index:100}
.skip-link:focus{left:12px;top:12px}

/* ---------- páginas internas (casos/artigos) ---------- */
.page-hero{background:linear-gradient(180deg,var(--ink) 0%,#0E1713 100%);color:var(--ivory);padding:56px 0 48px}
.page-hero h1{color:var(--ivory);font-size:clamp(1.7rem,3.6vw,2.5rem);max-width:24ch}
.page-hero .lead{color:var(--muted-l);margin-top:16px;max-width:62ch}
.crumbs{font-size:.8rem;color:var(--muted-l);margin-bottom:18px}
.crumbs a{color:var(--gold-soft);text-decoration:none}
.crumbs span{margin:0 8px;color:rgba(245,241,232,.4)}
.byline{margin-top:22px;font-size:.82rem;color:var(--muted-l)}
.byline b{color:var(--gold-soft)}
.prose{padding:56px 0}
.prose h2{margin-top:1.8em}
.prose h2:first-of-type{margin-top:0}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{margin:1em 0 1em 1.4em}
.prose li{margin:.45em 0}
.callout{
  background:#fff;border:1px solid rgba(31,31,34,.1);border-left:3px solid var(--gold);
  border-radius:var(--r);padding:20px 24px;margin:26px 0;font-size:.98rem;
}
.callout.warn{border-left-color:var(--seal);background:linear-gradient(180deg,rgba(140,47,47,.05),#fff)}
.callout b:first-child{font-family:var(--font-serif);color:var(--ink);font-size:1.05rem;display:block;margin-bottom:6px}
.verdict{display:grid;gap:14px;margin:26px 0}
.verdict-row{background:#fff;border:1px solid rgba(31,31,34,.1);border-radius:var(--r);padding:20px 22px}
.verdict-row h3{display:flex;align-items:center;gap:10px;font-size:1.08rem}
.tag{font-family:var(--font-sans);font-size:.68rem;font-weight:600;letter-spacing:.06em;padding:4px 10px;border-radius:20px;text-transform:uppercase}
.tag-no{background:rgba(31,31,34,.08);color:var(--muted-d)}
.tag-yes{background:rgba(30,122,78,.12);color:#1E7A4E}
.tag-max{background:var(--seal-soft);color:var(--seal)}
.verdict-row p{font-size:.94rem;color:var(--muted-d);margin-top:8px}
.cta-inline{
  background:var(--ink);color:var(--ivory);border-radius:var(--r);padding:34px 32px;margin:44px 0;
  display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap;
}
.cta-inline h3{color:var(--gold-soft);font-size:1.3rem}
.cta-inline p{color:var(--muted-l);font-size:.92rem;max-width:52ch;margin-top:6px}
.related{background:var(--paper-2);padding:48px 0}
.related h2{font-size:1.4rem}