/* ============================================================
   Queiroz Soluções Contábeis — Design System
   Paleta: verde-floresta + dourado-ledger sobre papel cru
   Tipografia: Fraunces (display) / Inter (corpo) / IBM Plex Mono (dados)
   ============================================================ */

:root {
  /* Cor */
  --forest:      #11362A;   /* verde-floresta profundo — primária */
  --forest-2:    #1F4D3A;   /* verde-floresta secundária (hover, faixas) */
  --moss:        #5C8A6E;   /* verde-musgo — textos sobre escuro */
  --gold:        #B98B2E;   /* dourado-ledger — destaque/CTA */
  --gold-light:  #E4C77B;
  --paper:       #FAF7F0;   /* papel cru — fundo claro */
  --paper-2:     #F1ECE0;   /* papel um tom abaixo (cards, faixas) */
  --line:        #DCD5C2;   /* linha hairline sobre papel */
  --line-dark:   rgba(255,255,255,0.16);
  --ink:         #16201A;   /* texto principal */
  --ink-soft:    #4B5A50;   /* texto secundário */
  --white:       #FFFFFF;

  /* Tipografia */
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  /* Layout */
  --max-width: 1180px;
  --radius: 4px;
  --radius-pill: 999px;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  margin: 0 0 0.5em;
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 4.5vw, 3.6rem); }
h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; color: var(--ink-soft); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

.mono { font-family: var(--font-mono); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gold);
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color .2s ease;
  font-family: var(--font-body);
}
.btn:hover { transform: translateY(-1px); }

.btn-gold {
  background: var(--gold);
  color: var(--forest);
}
.btn-gold:hover { background: var(--gold-light); }

.btn-outline-light {
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}
.btn-outline-light:hover { border-color: var(--white); background: rgba(255,255,255,0.06); }

.btn-outline-dark {
  border-color: var(--forest);
  color: var(--forest);
}
.btn-outline-dark:hover { background: var(--forest); color: var(--white); }

.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(17, 54, 42, 0.97);
  backdrop-filter: blur(6px);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
}
.logo span { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.93rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--gold-light); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--forest);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 28px 30px;
    gap: 18px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--forest);
  color: var(--white);
  position: relative;
  overflow: hidden;
  padding: 90px 0 70px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero p.lead {
  color: rgba(255,255,255,0.78);
  font-size: 1.1rem;
  max-width: 480px;
}
.hero h1 { color: var(--white); }
.hero h1 em { color: var(--gold-light); font-style: normal; }
.hero-actions { display: flex; gap: 16px; margin-top: 30px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line-dark);
}
.hero-stats .stat-num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  color: var(--gold-light);
}
.hero-stats .stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.62);
  letter-spacing: 0.04em;
}

/* Ledger illustration card */
.ledger-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-dark);
  border-radius: 10px;
  padding: 30px 28px;
}
.ledger-card .ledger-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
}
.ledger-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 0.92rem;
}
.ledger-row:last-child { border-bottom: none; }
.ledger-row .ledger-val { font-family: var(--font-mono); color: var(--gold-light); }
.ledger-row.total { font-weight: 700; padding-top: 16px; }
.ledger-row.total .ledger-val { font-size: 1.15rem; color: var(--white); }

/* ---------- Seções (papel) ---------- */
.section { padding: 92px 0; }
.section-tight { padding: 64px 0; }
.section-head {
  max-width: 640px;
  margin-bottom: 52px;
}
.section-on-forest {
  background: var(--forest-2);
  color: var(--white);
}
.section-on-forest p { color: rgba(255,255,255,0.72); }
.section-on-forest .eyebrow { color: var(--gold-light); }
.section-on-forest h2 { color: var(--white); }

.section-paper-2 { background: var(--paper-2); }

/* Ledger divider — rótulo estilo conta + linha hairline */
.ledger-divider {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 0 40px;
  color: var(--ink-soft);
}
.ledger-divider .code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--forest);
}
.ledger-divider .rule { flex: 1; height: 1px; background: var(--line); }

/* ---------- Serviços ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--forest);
  color: var(--white);
  border-radius: 8px;
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
  position: relative;
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(17,54,42,0.25); }
.service-card .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold-light);
  opacity: 0.85;
}
.service-card h3 { color: var(--white); margin: 14px 0 0; font-size: 1.15rem; }
.service-card .desc { color: rgba(255,255,255,0.68); font-size: 0.88rem; margin-top: 8px; }
.service-card .link {
  margin-top: 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ---------- Diferenciais ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.diff-item .code {
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}
.diff-item h3 { margin-top: 10px; }

@media (max-width: 860px) {
  .diff-grid { grid-template-columns: 1fr; gap: 36px; }
}

/* ---------- Simulador / calculadora ---------- */
.simulator {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}
.simulator .field { margin-bottom: 16px; }
.simulator label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--forest);
}
.simulator select,
.simulator input[type="number"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--paper);
}
.sim-result {
  background: var(--forest);
  color: var(--white);
  border-radius: 8px;
  padding: 28px;
  text-align: center;
}
.sim-result .sim-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
}
.sim-result .sim-value {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  color: var(--gold-light);
  margin: 10px 0;
}
.sim-result .sim-note { font-size: 0.82rem; color: rgba(255,255,255,0.6); }

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

/* ---------- Depoimentos ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  padding: 28px;
}
.testimonial-card .stars { color: var(--gold-light); margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-card .quote { color: rgba(255,255,255,0.85); font-style: italic; }
.testimonial-card .who {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--gold-light);
}

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

/* ---------- Processo (4 passos) ---------- */
.process-list { display: flex; flex-direction: column; }
.process-item {
  display: flex;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-dark);
}
.process-item:last-child { border-bottom: none; }
.process-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--gold-light);
  border: 1px solid var(--gold-light);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.process-text h3 { color: var(--white); margin-bottom: 4px; font-size: 1.05rem; }
.process-text p { color: rgba(255,255,255,0.68); margin: 0; }

/* ---------- Formulário de contato / lead ---------- */
.lead-section { background: var(--paper-2); }
.lead-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: flex-start;
}
.lead-info ul { margin-top: 24px; }
.lead-info li {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.lead-info .icon { color: var(--gold); font-family: var(--font-mono); }

.lead-form {
  background: var(--white);
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 34px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--forest);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--paper);
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--moss);
  outline-offset: 1px;
}
.field .error { color: #B0432F; font-size: 0.8rem; margin-top: 4px; display: block; }
.field.has-error input,
.field.has-error select { border-color: #B0432F; }

.form-note { font-size: 0.78rem; color: var(--ink-soft); margin-top: 10px; }

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

/* ---------- Alert / flash ---------- */
.alert {
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}
.alert-success { background: #E4EFE6; color: var(--forest); border: 1px solid var(--moss); }
.alert-error { background: #F7E6E2; color: #8C3221; border: 1px solid #D98A73; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.65);
  padding: 60px 0 28px;
  font-size: 0.88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid h4 {
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-grid li { margin-bottom: 10px; }
.footer-grid a:hover { color: var(--gold-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 22px;
  flex-wrap: wrap;
  gap: 12px;
}

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

/* ---------- WhatsApp flutuante ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  z-index: 60;
}
.whatsapp-float svg { width: 28px; height: 28px; fill: var(--white); }

/* ---------- Responsivo geral ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
}

/* ---------- Acessibilidade ---------- */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}