/* =========================================================
   Berton Contabilidade — folha de estilos
   Paleta: papel + verde-razão + latão, tipografia Fraunces/IBM Plex Sans
   ========================================================= */

:root {
  /* Cor */
  --paper: #F6F3EC;
  --paper-alt: #EFE9DA;
  --card: #FFFFFF;
  --ink: #1B2620;
  --ink-soft: #4A5A4E;
  --ledger-green: #2F5233;
  --ledger-green-dark: #223D28;
  --brass: #A97C36;
  --brass-dark: #8C662C;
  --line: #DBD5C4;

  /* Tipografia */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Layout */
  --wrap: 1120px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-card: 0 1px 2px rgba(27, 38, 32, 0.06), 0 8px 24px rgba(27, 38, 32, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 500;
}

h1 { font-size: clamp(2.1rem, 4.2vw, 3.4rem); font-weight: 500; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); }
h3 { font-size: 1.15rem; font-weight: 600; font-family: var(--font-body); }

p { margin: 0 0 1em; max-width: 62ch; }
a { color: var(--ledger-green-dark); }
img { max-width: 100%; height: auto; display: block; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--ledger-green);
  color: #fff; padding: 12px 18px; z-index: 100; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2.5px solid var(--brass);
  outline-offset: 2px;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 88px 0; }
.section-alt { background: var(--paper-alt); }
.section-lead { font-size: 1.08rem; color: var(--ink-soft); max-width: 56ch; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-body); font-weight: 600; font-size: 0.98rem;
  padding: 14px 28px; border-radius: var(--radius-sm);
  text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brass); color: #fff; }
.btn-primary:hover { background: var(--brass-dark); }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-lg { padding: 16px 32px; font-size: 1.02rem; }
.btn-block { width: 100%; }

.link-button {
  background: none; border: 0; color: var(--ink-soft); text-decoration: underline;
  font-size: 0.9rem; cursor: pointer; padding: 0;
}

/* ---------- Cabeçalho ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(246, 243, 236, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 34px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  color: var(--ink); text-decoration: none; font-weight: 500; font-size: 0.96rem;
}
.site-nav a:hover { color: var(--ledger-green-dark); }
.nav-cta {
  background: var(--ledger-green); color: #fff !important;
  padding: 10px 20px; border-radius: var(--radius-sm);
}
.nav-cta:hover { background: var(--ledger-green-dark); }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; background: none; border: 0; cursor: pointer;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute; top: 76px; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start; gap: 0;
    max-height: 0; overflow: hidden; transition: max-height 0.25s ease;
  }
  .site-nav.is-open { max-height: 320px; }
  .site-nav a { padding: 16px 24px; width: 100%; border-bottom: 1px solid var(--line); }
  .nav-cta { border-radius: 0; text-align: center; }
}

/* ---------- Hero ---------- */
.hero { padding: 72px 0 96px; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}
.hero-subtitle { font-size: 1.12rem; color: var(--ink-soft); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0 24px; }
.hero-trust {
  list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px;
  border-left: 2px solid var(--line); padding-left: 16px;
}
.hero-trust li { color: var(--ink-soft); font-size: 0.94rem; }
.hero-visual img { width: 100%; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 420px; margin: 0 auto; }
}

/* ---------- Benefícios ---------- */
.benefit-list {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md);
  overflow: hidden; margin-top: 40px;
}
.benefit-item {
  background: var(--card); padding: 32px 28px; border-top: 3px solid var(--ledger-green);
}
.benefit-item p { color: var(--ink-soft); font-size: 0.98rem; margin-bottom: 0; }

@media (max-width: 860px) {
  .benefit-list { grid-template-columns: 1fr; }
}

/* ---------- Como funciona ---------- */
.steps {
  list-style: none; margin: 44px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  counter-reset: none;
}
.step {
  padding: 0 24px 0 0; border-left: 1px solid var(--line); padding-left: 24px;
}
.step:first-child { border-left: 0; padding-left: 0; }
.step-number {
  display: block; font-family: var(--font-display); font-size: 2rem;
  color: var(--brass); margin-bottom: 10px;
}
.step p { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 0; }

@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .step { border-left: 0; padding-left: 0; }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
}

/* ---------- Diferenciais ---------- */
.diferenciais-grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: start;
}
.diferenciais-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 22px; }
.diferenciais-list li {
  padding-left: 22px; border-left: 2px solid var(--brass);
}
.diferenciais-list strong { display: block; font-size: 1.03rem; margin-bottom: 4px; }
.diferenciais-list span { color: var(--ink-soft); font-size: 0.96rem; }

@media (max-width: 860px) {
  .diferenciais-grid { grid-template-columns: 1fr; }
}

/* ---------- FAQ ---------- */
.faq-list { margin-top: 36px; display: flex; flex-direction: column; gap: 1px; background: var(--line); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--line); }
.faq-item { background: var(--card); }
.faq-item summary {
  cursor: pointer; padding: 20px 24px; font-weight: 600; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-family: var(--font-display); font-size: 1.4rem; color: var(--brass);
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding: 0 24px 22px; color: var(--ink-soft); margin: 0; max-width: none; }

/* ---------- CTA final ---------- */
.cta-final { background: var(--ledger-green); color: var(--paper); }
.cta-final h2 { color: #fff; }
.cta-final p { color: rgba(246, 243, 236, 0.85); max-width: 50ch; }
.cta-final-inner { text-align: left; }
.cta-final .btn-primary { background: var(--brass); }

/* ---------- Formulário / contato ---------- */
.contato-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; }
.contato-list { margin-top: 20px; }
.contato-list li { margin-bottom: 10px; }

.contato-form-wrap { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-card); }
.form-row { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-weight: 600; font-size: 0.92rem; }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row textarea {
  font-family: var(--font-body); font-size: 1rem; padding: 12px 14px;
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  background: var(--paper); color: var(--ink);
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--ledger-green); }
.form-row-checkbox { flex-direction: row; align-items: flex-start; gap: 10px; }
.form-row-checkbox label { font-weight: 400; font-size: 0.9rem; color: var(--ink-soft); }
.form-row-checkbox input { margin-top: 4px; }
.form-note { font-size: 0.82rem; color: var(--ink-soft); margin-top: 14px; margin-bottom: 0; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.95rem; }
.form-alert-ok { background: #E7F0E5; border: 1px solid var(--ledger-green); color: var(--ledger-green-dark); }
.form-alert-erro { background: #F7E9E4; border: 1px solid #B45C3C; color: #8A3F26; }

@media (max-width: 860px) {
  .contato-grid { grid-template-columns: 1fr; }
  .contato-form-wrap { padding: 26px; }
}

/* ---------- Página de agradecimento ---------- */
.thanks-section { text-align: left; }
.thanks-wrap { max-width: 560px; }
.thanks-badge { margin-bottom: 20px; }
.thanks-actions { margin-top: 26px; }

/* ---------- Rodapé ---------- */
.site-footer { background: var(--ink); color: rgba(246, 243, 236, 0.82); padding-top: 64px; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand img { filter: brightness(0) invert(1); margin-bottom: 12px; }
.footer-legal { font-size: 0.86rem; color: rgba(246, 243, 236, 0.6); }
.footer-heading { font-family: var(--font-body); font-size: 0.85rem; text-transform: none; letter-spacing: 0.02em; color: #fff; margin-bottom: 14px; }
.footer-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 0.92rem; }
.footer-list a { color: rgba(246, 243, 236, 0.82); text-decoration: none; }
.footer-list a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid rgba(246, 243, 236, 0.14);
  padding: 22px 24px; display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(246, 243, 236, 0.55);
}
.footer-bottom .link-button { color: rgba(246, 243, 236, 0.7); }

@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ---------- Páginas legais ---------- */
.legal-section { padding: 64px 0 96px; }
.legal-wrap { max-width: 760px; }
.legal-updated { color: var(--ink-soft); font-size: 0.9rem; margin-bottom: 32px; }
.legal-wrap h2 { margin-top: 40px; font-size: 1.3rem; }
.legal-wrap h3 { margin-top: 24px; }
.legal-wrap ul { padding-left: 20px; color: var(--ink-soft); }
.legal-wrap ul li { margin-bottom: 8px; }
.legal-disclaimer { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- Banner de cookies ---------- */
.cookie-banner {
  position: fixed; left: 20px; right: 20px; bottom: 20px; z-index: 80;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-md);
  box-shadow: var(--shadow-card); max-width: 760px; margin: 0 auto;
}
.cookie-banner-inner { padding: 22px 26px; }
.cookie-banner p { font-size: 0.9rem; color: var(--ink-soft); margin-bottom: 16px; }
.cookie-banner-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-banner-actions .btn { padding: 10px 18px; font-size: 0.9rem; }

.cookie-modal { position: fixed; inset: 0; z-index: 90; display: flex; align-items: center; justify-content: center; padding: 20px; }
.cookie-modal-backdrop { position: absolute; inset: 0; background: rgba(27, 38, 32, 0.55); }
.cookie-modal-panel {
  position: relative; background: var(--card); border-radius: var(--radius-lg);
  padding: 32px; max-width: 460px; width: 100%; box-shadow: var(--shadow-card);
}
.cookie-modal-panel h2 { font-size: 1.3rem; margin-bottom: 18px; }
.cookie-pref-row {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.cookie-pref-row h3 { font-size: 0.98rem; margin-bottom: 4px; }
.cookie-pref-row p { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 0; max-width: 34ch; }
.cookie-pref-row input { margin-top: 4px; flex-shrink: 0; }
.cookie-modal-actions { display: flex; gap: 10px; margin-top: 24px; }

@media (max-width: 520px) {
  .cookie-banner-actions { flex-direction: column; }
  .cookie-banner-actions .btn { width: 100%; }
}