/* =========================================================================
   Brack & Barbi Advogados — Landing page
   Identidade visual institucional | Guia de Identidade 17/04/2026
   ========================================================================= */

:root {
  /* Paleta oficial */
  --color-institucional: #002B49;
  --color-institucional-hover: #001F36;     /* escurecido 5% */
  --color-bege: #F4F1EC;
  --color-texto: #1A1A1A;
  --color-grafite: #3A3A3A;
  --color-branco: #FFFFFF;
  --color-cinza-sutil: #E5E5E5;
  --color-cinza-label: #6B6B6B;
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1FAE54;

  /* Tipografia */
  --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Layout */
  --container-max: 1180px;
  --container-narrow: 820px;
  --radius-sm: 4px;
  --radius-md: 8px;

  /* Transições */
  --t-base: 180ms ease;
}

/* -------------------------------------------------------------------------
   Reset enxuto
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-texto);
  background: var(--color-branco);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: opacity var(--t-base); }
a:hover { opacity: 0.75; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; padding: 0; }

/* -------------------------------------------------------------------------
   Tipografia
   ------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-institucional);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.45rem); }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.tagline {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-institucional);
}

/* -------------------------------------------------------------------------
   Utilitários
   ------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-narrow { max-width: var(--container-narrow); }

.section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}
.section-bege { background: var(--color-bege); }
.section-institucional {
  background: var(--color-institucional);
  color: var(--color-branco);
}
.section-institucional h1,
.section-institucional h2,
.section-institucional h3 { color: var(--color-branco); }

.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-grafite);
  margin-bottom: 0.8rem;
  display: block;
}
.section-institucional .section-eyebrow { color: rgba(255,255,255,0.72); }

.section-title {
  margin-bottom: 2.5rem;
}
.section-title p {
  font-size: 1.05rem;
  color: var(--color-grafite);
  max-width: 640px;
  margin-top: 0.6rem;
}
.section-institucional .section-title p { color: rgba(255,255,255,0.85); }

/* -------------------------------------------------------------------------
   Botões
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.8rem;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color var(--t-base), border-color var(--t-base), color var(--t-base), opacity var(--t-base);
  text-align: center;
  line-height: 1.2;
}
.btn-primary {
  background: var(--color-institucional);
  color: var(--color-branco);
}
.btn-primary:hover {
  background: var(--color-institucional-hover);
  opacity: 1;
}
.btn-primary-inverse {
  background: var(--color-branco);
  color: var(--color-institucional);
}
.btn-primary-inverse:hover {
  background: var(--color-bege);
  opacity: 1;
}
.btn-ghost {
  background: transparent;
  color: var(--color-institucional);
  border-color: var(--color-institucional);
}
.btn-ghost:hover {
  background: var(--color-institucional);
  color: var(--color-branco);
  opacity: 1;
}

/* -------------------------------------------------------------------------
   Bloco 1 — Header
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-branco);
  border-bottom: 1px solid var(--color-cinza-sutil);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.site-logo img,
.site-logo svg { height: 56px; width: auto; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.site-nav ul {
  display: flex;
  gap: 1.75rem;
}
.site-nav a {
  font-size: 0.92rem;
  color: var(--color-texto);
  font-weight: 400;
}
.site-nav a:hover { color: var(--color-institucional); opacity: 1; }
.btn-header { padding: 0.65rem 1.2rem; font-size: 0.88rem; }

.nav-toggle { display: none; }

@media (max-width: 900px) {
  .site-nav { display: none; }
  .site-nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-branco);
    border-top: 1px solid var(--color-cinza-sutil);
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem 1.5rem 1.5rem;
    gap: 1rem;
  }
  .site-nav.is-open ul {
    flex-direction: column;
    gap: 0.75rem;
  }
  .site-nav.is-open .btn-header {
    margin-top: 0.5rem;
    text-align: center;
  }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px; height: 42px;
    color: var(--color-institucional);
  }
  .nav-toggle svg { width: 24px; height: 24px; }
}

/* -------------------------------------------------------------------------
   Bloco 2 — Hero
   ------------------------------------------------------------------------- */
.hero {
  background: var(--color-institucional);
  color: var(--color-branco);
  padding: clamp(4.5rem, 10vw, 7rem) 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* padrão geométrico discreto, baixíssima opacidade, conforme briefing */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.hero .container {
  position: relative;
  text-align: center;
}
.hero-logo {
  display: block;
  margin: 0 auto 2.5rem;
  height: clamp(64px, 7vw, 96px);
  width: auto;
}
@media (max-width: 640px) {
  .hero-logo { height: 72px; margin-bottom: 2rem; }
}
.hero-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  margin-bottom: 1.5rem;
  display: block;
}
.hero h1 {
  color: var(--color-branco);
  max-width: 900px;
  margin: 0 auto 1.25rem;
  font-weight: 500;
}
.hero .subheadline {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: rgba(255,255,255,0.88);
  max-width: 720px;
  margin: 0 auto 2.5rem;
  line-height: 1.65;
}

/* -------------------------------------------------------------------------
   Bloco 3 — Diferenciais
   ------------------------------------------------------------------------- */
.diferenciais-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}
@media (max-width: 820px) {
  .diferenciais-grid { grid-template-columns: 1fr; gap: 2rem; }
}
.diferencial {
  text-align: left;
}
.diferencial-icon {
  width: 44px;
  height: 44px;
  color: var(--color-institucional);
  margin-bottom: 1.25rem;
}
.diferencial-icon svg {
  width: 100%; height: 100%;
  stroke-width: 1.5;
}
.diferencial h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}
.diferencial p {
  color: var(--color-grafite);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* -------------------------------------------------------------------------
   Bloco 4 — Como podemos ajudar (cards)
   ------------------------------------------------------------------------- */
.ajuda-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
@media (max-width: 920px) {
  .ajuda-grid { grid-template-columns: 1fr; }
}
.ajuda-card {
  background: var(--color-branco);
  padding: 2.25rem 1.9rem;
  border: 1px solid var(--color-cinza-sutil);
  border-radius: var(--radius-md);
  transition: border-color var(--t-base), transform var(--t-base);
}
.section-bege .ajuda-card { background: var(--color-branco); }
.ajuda-card:hover {
  border-color: var(--color-institucional);
}
.ajuda-card-icon {
  width: 36px; height: 36px;
  color: var(--color-institucional);
  margin-bottom: 1.25rem;
}
.ajuda-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.ajuda-card p {
  color: var(--color-grafite);
  font-size: 0.96rem;
  line-height: 1.65;
}

/* -------------------------------------------------------------------------
   Bloco 5 — Formulário
   ------------------------------------------------------------------------- */
.form-section { background: var(--color-bege); }
.form-wrap {
  background: var(--color-branco);
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-cinza-sutil);
  max-width: 760px;
  margin: 0 auto;
}
.form-intro {
  font-size: 1rem;
  color: var(--color-grafite);
  margin-bottom: 2rem;
  line-height: 1.7;
}
.form-group {
  margin-bottom: 1.5rem;
}
.form-divider {
  border: none;
  border-top: 1px solid var(--color-cinza-sutil);
  margin: 2rem 0;
}
.form-subtitle {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-grafite);
  margin-bottom: 1.5rem;
  display: block;
}
label {
  display: block;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-texto);
  margin-bottom: 0.5rem;
}
label .optional {
  font-weight: 400;
  color: var(--color-cinza-label);
  font-size: 0.85rem;
  margin-left: 0.4rem;
}
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-texto);
  background: var(--color-branco);
  border: 1px solid var(--color-cinza-sutil);
  border-radius: var(--radius-sm);
  transition: border-color var(--t-base), box-shadow var(--t-base);
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-institucional);
  box-shadow: 0 0 0 3px rgba(0, 43, 73, 0.12);
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23002B49' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.95rem center;
  padding-right: 2.5rem;
}
textarea {
  min-height: 120px;
  resize: vertical;
}
.char-count {
  font-size: 0.82rem;
  color: var(--color-cinza-label);
  margin-top: 0.35rem;
  text-align: right;
}
.consent {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin: 1.75rem 0 1.5rem;
  font-size: 0.92rem;
  color: var(--color-grafite);
  line-height: 1.6;
  cursor: pointer;
}
.consent input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--color-institucional);
  cursor: pointer;
}
.consent a {
  color: var(--color-institucional);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.btn-submit {
  width: 100%;
  padding: 1.05rem 1.8rem;
  font-size: 1rem;
  font-weight: 500;
}
.form-error {
  background: rgba(0, 43, 73, 0.05);
  border-left: 3px solid var(--color-institucional);
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  color: var(--color-grafite);
  margin-top: 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.form-error.hidden { display: none; }

/* -------------------------------------------------------------------------
   Bloco 6 — Como funciona
   ------------------------------------------------------------------------- */
.passos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  counter-reset: passo;
}
@media (max-width: 820px) {
  .passos { grid-template-columns: 1fr; gap: 1.75rem; }
}
.passo {
  padding-top: 0.5rem;
  border-top: 2px solid var(--color-institucional);
  counter-increment: passo;
}
.passo-numero {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 500;
  color: var(--color-institucional);
  line-height: 1;
  margin: 1rem 0 1rem;
}
.passo-numero::before {
  content: counter(passo, decimal-leading-zero);
}
.passo h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}
.passo p {
  color: var(--color-grafite);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* -------------------------------------------------------------------------
   Bloco 7 — FAQ (accordion)
   ------------------------------------------------------------------------- */
.faq {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-cinza-sutil);
}
.faq-item:first-child { border-top: 1px solid var(--color-cinza-sutil); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-institucional);
  line-height: 1.35;
  transition: color var(--t-base);
}
.faq-question:hover { color: var(--color-institucional-hover); }
.faq-icon {
  width: 24px; height: 24px;
  flex-shrink: 0;
  margin-top: 4px;
  transition: transform var(--t-base);
}
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 0 1.75rem;
  color: var(--color-grafite);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 720px;
}
.faq-answer strong { color: var(--color-institucional); font-weight: 600; }

/* Detalhes/summary reset para accordion nativo */
.faq-item { cursor: pointer; }
.faq-item summary {
  list-style: none;
  cursor: pointer;
}
.faq-item summary::-webkit-details-marker { display: none; }

/* -------------------------------------------------------------------------
   Bloco 8 — CTA final
   ------------------------------------------------------------------------- */
.cta-final {
  background: var(--color-institucional);
  color: var(--color-branco);
  text-align: center;
  padding: clamp(3.5rem, 7vw, 5rem) 0;
}
.cta-final h2 {
  color: var(--color-branco);
  margin-bottom: 1rem;
  font-weight: 500;
}
.cta-final p {
  color: rgba(255,255,255,0.85);
  max-width: 620px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

/* -------------------------------------------------------------------------
   Bloco 9 — Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-institucional);
  color: rgba(255,255,255,0.85);
  padding: 4rem 0 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.3fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2.25rem; }
}
.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1.15rem;
}
.footer-col p,
.footer-col li {
  font-size: 0.94rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
}
.footer-logo img,
.footer-logo svg {
  height: 52px;
  width: auto;
  margin-bottom: 1.15rem;
}
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col a {
  color: rgba(255,255,255,0.85);
  transition: color var(--t-base);
}
.footer-col a:hover { color: var(--color-branco); opacity: 1; }
.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
}

/* -------------------------------------------------------------------------
   Botão flutuante WhatsApp
   ------------------------------------------------------------------------- */
.wa-float {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: var(--color-branco);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  z-index: 90;
  transition: background-color var(--t-base), transform var(--t-base);
}
.wa-float:hover {
  background: var(--color-whatsapp-hover);
  transform: translateY(-2px);
  opacity: 1;
}
.wa-float svg { width: 28px; height: 28px; }

/* -------------------------------------------------------------------------
   Banner de cookies
   ------------------------------------------------------------------------- */
.cookie-banner {
  position: fixed;
  left: 1.25rem; right: 1.25rem; bottom: 1.25rem;
  max-width: 540px;
  background: var(--color-branco);
  border: 1px solid var(--color-cinza-sutil);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  z-index: 95;
  font-size: 0.92rem;
  line-height: 1.55;
}
.cookie-banner.hidden { display: none; }
.cookie-banner p { color: var(--color-grafite); margin-bottom: 0.9rem; }
.cookie-banner a { color: var(--color-institucional); text-decoration: underline; text-underline-offset: 2px; }
.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.cookie-actions button {
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background-color var(--t-base), color var(--t-base);
}
.cookie-accept { background: var(--color-institucional); color: var(--color-branco); }
.cookie-accept:hover { background: var(--color-institucional-hover); }
.cookie-reject { background: transparent; color: var(--color-institucional); border: 1px solid var(--color-institucional); }
.cookie-reject:hover { background: var(--color-institucional); color: var(--color-branco); }

/* -------------------------------------------------------------------------
   Páginas auxiliares (política, termos, agradecimento, 404)
   ------------------------------------------------------------------------- */
.page-hero {
  background: var(--color-institucional);
  color: var(--color-branco);
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}
.page-hero h1 { color: var(--color-branco); font-weight: 500; }
.page-hero .eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  margin-bottom: 1rem;
  display: block;
}

.prose {
  max-width: 760px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-texto);
}
.prose h2 {
  font-size: 1.6rem;
  margin: 2.5rem 0 1rem;
  font-weight: 500;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 1.2rem;
  margin: 1.75rem 0 0.75rem;
  font-weight: 500;
}
.prose p { margin-bottom: 1rem; color: var(--color-grafite); line-height: 1.75; }
.prose strong { color: var(--color-institucional); }
.prose ul { margin: 1rem 0 1.5rem 1.5rem; list-style: disc; color: var(--color-grafite); }
.prose ul li { margin-bottom: 0.4rem; }

/* Agradecimento */
.agradecimento {
  text-align: center;
  padding: clamp(4rem, 8vw, 6rem) 0;
}
.agradecimento-icon {
  width: 64px; height: 64px;
  color: var(--color-institucional);
  margin: 0 auto 1.75rem;
}
.agradecimento h1 {
  font-weight: 500;
  margin-bottom: 1rem;
}
.agradecimento .lead {
  font-size: 1.1rem;
  color: var(--color-grafite);
  max-width: 620px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}
.anti-golpe {
  background: var(--color-bege);
  border-left: 3px solid var(--color-institucional);
  padding: 1.5rem 1.75rem;
  max-width: 620px;
  margin: 0 auto 2.5rem;
  text-align: left;
  font-size: 0.95rem;
  color: var(--color-grafite);
  line-height: 1.65;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.anti-golpe strong { color: var(--color-institucional); }

/* 404 */
.erro-404 {
  text-align: center;
  padding: clamp(4rem, 8vw, 6rem) 0;
}
.erro-404 .codigo {
  font-family: var(--font-serif);
  font-size: clamp(5rem, 12vw, 8rem);
  font-weight: 500;
  color: var(--color-institucional);
  line-height: 1;
  margin-bottom: 1rem;
}
.erro-404 h1 {
  font-weight: 500;
  margin-bottom: 1rem;
}
.erro-404 p {
  color: var(--color-grafite);
  max-width: 520px;
  margin: 0 auto 2rem;
}

/* -------------------------------------------------------------------------
   Acessibilidade — skip link
   ------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-institucional);
  color: var(--color-branco);
  padding: 0.75rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 1000;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  opacity: 1;
}

/* -------------------------------------------------------------------------
   Focus-visible universal
   ------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-institucional);
  outline-offset: 2px;
}