/* ============================================================
   SPED AUDIT Tax Analytics — Apresentação Interativa
   Design: Dark Tech Theme com Accent Vermelho
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Roboto+Mono:wght@400;500&display=swap');

/* ---- VARIÁVEIS DE DESIGN ---------------------------------- */
:root {
  --bg-primary:       #07070F;
  --bg-secondary:     #0D0D1A;
  --bg-card:          #121220;
  --bg-card-hover:    #191930;
  --accent:           #C0392B;
  --accent-light:     #E8453C;
  --accent-dark:      #96281B;
  --accent-glow:      rgba(192,57,43,0.14);
  --text-primary:     #F0F0FF;
  --text-secondary:   #9898BB;
  --text-muted:       #55556A;
  --border:           #1A1A2E;
  --border-accent:    rgba(192,57,43,0.30);
  --white:            #FFFFFF;
  --red-banner-bg:    linear-gradient(135deg,#8B0000 0%,#C0392B 50%,#8B0000 100%);
  --font-main:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:        'Roboto Mono', monospace;
  --radius:           12px;
  --radius-sm:        8px;
  --shadow-card:      0 4px 24px rgba(0,0,0,0.5);
  --shadow-hover:     0 16px 48px rgba(0,0,0,0.6), 0 0 0 1px rgba(192,57,43,0.12);
  --transition:       0.25s ease;
}

/* ---- RESET ------------------------------------------------- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

/* ---- BARRA DE NAVEGAÇÃO ----------------------------------- */
.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 60px;
  background: rgba(7,7,15,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-dot {
  width: 30px; height: 30px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 900; color: #fff;
  flex-shrink: 0;
}

.nav-brand-info { display:flex; flex-direction:column; line-height:1.1; }
.nav-brand-name { font-size:.9rem; font-weight:800; letter-spacing:0.4px; }
.nav-brand-sub  { font-size:.58rem; color:var(--accent-light); font-weight:600; letter-spacing:1.5px; text-transform:uppercase; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  list-style: none;
}

.nav-menu a {
  display: block;
  padding: 6px 10px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--text-muted);
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav-menu a:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.nav-menu a.active { color: var(--text-primary); }
.nav-menu .nav-cta a {
  background: var(--accent);
  color: #fff !important;
  padding: 6px 14px;
}
.nav-menu .nav-cta a:hover { background: var(--accent-light); }

/* ---- CONTEÚDO PRINCIPAL ---------------------------------- */
main { padding-top: 60px; }

/* ---- HERO PRINCIPAL (INDEX) ------------------------------ */
.hero {
  min-height: 88vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: 5rem 2rem 4rem;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(192,57,43,0.13) 0%, transparent 70%),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(192,57,43,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(100,100,255,0.03) 0%, transparent 50%);
  pointer-events: none;
}

/* grid pattern overlay */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(192,57,43,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(192,57,43,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero-inner { max-width: 860px; position:relative; z-index:1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(192,57,43,0.1);
  border: 1px solid rgba(192,57,43,0.28);
  color: var(--accent-light);
  padding: 5px 16px;
  border-radius: 100px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}

.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--accent-light);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

.hero h1 {
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -2.5px;
  line-height: 1.0;
  margin-bottom: .75rem;
  background: linear-gradient(150deg, #FFFFFF 0%, #D0D0F0 45%, #A0A0C8 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #FF5A4E 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: .5rem;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 660px;
  margin: 1.5rem auto 3rem;
  line-height: 1.8;
}

.hero-taxes {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 3.5rem;
}

.tax-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 4px 14px;
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: .8px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
}

.hero-stat-val {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--accent-light);
  letter-spacing: -1.5px;
  line-height: 1;
}

.hero-stat-lbl {
  font-size: .65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-top: 4px;
}

/* ---- HERO DE SUBPÁGINA ----------------------------------- */
.page-hero {
  padding: 5rem 2rem 3.5rem;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 80% at 100% 50%, rgba(192,57,43,0.07) 0%, transparent 60%),
    linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .72rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}
.breadcrumb a { transition: color var(--transition); }
.breadcrumb a:hover { color: var(--text-secondary); }
.breadcrumb-sep { color: var(--border); }

.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.page-hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.75;
}

/* ---- SECÇÕES GENÉRICAS ----------------------------------- */
.section { padding: 5rem 2rem; }
.section-alt { background: var(--bg-secondary); }

.container { max-width: 1200px; margin: 0 auto; }
.container-sm { max-width: 900px; margin: 0 auto; }

.section-tag {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(192,57,43,0.28);
  padding: 3px 12px;
  border-radius: 100px;
  margin-bottom: .9rem;
}

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: .9rem;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.75;
}

/* ---- GRID DE TÓPICOS (INDEX) ----------------------------- */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.25rem;
}

.topic-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: block;
  color: var(--text-primary);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.topic-card::before {
  content: '';
  position: absolute; top:0; left:0; right:0; height:2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.topic-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.topic-card:hover::before { opacity: 1; }

.topic-icon {
  width: 46px; height: 46px;
  background: var(--accent-glow);
  border: 1px solid rgba(192,57,43,0.22);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.1rem;
}

.topic-num {
  font-size: .62rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: .4rem;
}

.topic-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .65rem;
  letter-spacing: -.2px;
}

.topic-card p {
  font-size: .83rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.topic-arrow {
  position: absolute; bottom:1.4rem; right:1.4rem;
  width: 26px; height: 26px;
  background: rgba(192,57,43,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem;
  color: var(--accent);
  transition: all var(--transition);
}
.topic-card:hover .topic-arrow { background: var(--accent); color: #fff; }

/* ---- SEÇÃO EXECUTIVA (INDEX) ----------------------------- */
.exec-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.exec-text p {
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1.3rem;
  font-size: .97rem;
}

.exec-highlights { display:grid; gap:.9rem; }

.highlight {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: border-color var(--transition);
}
.highlight:hover { border-left-color: var(--accent-light); }

.highlight-ico { font-size: 1.2rem; flex-shrink: 0; margin-top:1px; }
.highlight h4 { font-size: .88rem; font-weight:700; margin-bottom:2px; }
.highlight p  { font-size: .8rem; color: var(--text-secondary); line-height:1.5; }

/* ---- FEATURE CARDS --------------------------------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.feature-ico { font-size: 1.8rem; margin-bottom:.9rem; }
.feature-card h4 { font-size:.95rem; font-weight:700; margin-bottom:.6rem; }
.feature-card p  { font-size:.82rem; color:var(--text-secondary); line-height:1.65; }

/* ---- CHECK LIST ------------------------------------------ */
.check-list { list-style:none; display:grid; gap:.7rem; }
.check-list li {
  display:flex; align-items:flex-start; gap:.85rem;
  font-size:.9rem; color:var(--text-secondary); line-height:1.55;
}
.check-list li::before {
  content:'✓';
  flex-shrink:0;
  width:20px; height:20px;
  background:rgba(192,57,43,0.1);
  color:var(--accent-light);
  font-weight:700; font-size:.7rem;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  margin-top:1px;
}

/* ---- STAT MINI CARDS ------------------------------------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px,1fr));
  gap: 1rem;
}

.stat-mini {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1rem;
  text-align: center;
}

.stat-mini-val {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent-light);
  letter-spacing: -1px;
  line-height: 1;
}

.stat-mini-lbl {
  font-size: .65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top:.4rem;
}

/* ---- PROCESSO STEPS -------------------------------------- */
.steps { display:grid; gap:1.4rem; }
.step  { display:flex; gap:1.4rem; align-items:flex-start; }
.step-num {
  width:38px; height:38px; flex-shrink:0;
  background:rgba(192,57,43,0.1);
  border:1px solid rgba(192,57,43,0.28);
  border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:.85rem;
  color:var(--accent);
}
.step-body h4 { font-size:.95rem; font-weight:700; margin-bottom:.35rem; }
.step-body p  { font-size:.83rem; color:var(--text-secondary); line-height:1.6; }

/* ---- DOIS-COLS CONTENT ----------------------------------- */
.two-col { display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:start; }
.three-col { display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; }

/* ---- QUOTE ----------------------------------------------- */
.quote {
  border-left:3px solid var(--accent);
  padding:1.2rem 1.75rem;
  background:var(--bg-card);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:1rem;
  color:var(--text-secondary);
  font-style:italic;
  line-height:1.75;
  margin:1.5rem 0;
}

/* ---- TAGS ------------------------------------------------ */
.tags { display:flex; flex-wrap:wrap; gap:.45rem; margin-top:.9rem; }
.tag {
  background:rgba(192,57,43,0.09);
  border:1px solid rgba(192,57,43,0.22);
  color:var(--accent-light);
  padding:3px 12px;
  border-radius:100px;
  font-size:.7rem;
  font-weight:700;
  letter-spacing:.4px;
}

/* ---- RED BAND -------------------------------------------- */
.red-band {
  background: var(--red-banner-bg);
  padding: 4rem 2rem;
}
.red-band .section-title { color:#fff; }
.red-band .section-sub   { color:rgba(255,255,255,.8); }
.red-band .check-list li { color:rgba(255,255,255,.85); }
.red-band .check-list li::before { background:rgba(255,255,255,.15); color:#fff; }

/* ---- TABELA ---------------------------------------------- */
.data-table { width:100%; border-collapse:collapse; font-size:.84rem; }
.data-table th {
  background:var(--bg-card);
  color:var(--text-muted);
  font-size:.65rem; letter-spacing:1.5px; text-transform:uppercase;
  padding:.7rem 1rem; text-align:left;
  border-bottom:1px solid var(--border);
}
.data-table td {
  padding:.8rem 1rem;
  border-bottom:1px solid var(--border);
  color:var(--text-secondary);
  vertical-align:top;
}
.data-table tr:hover td { background:var(--bg-card); }

/* ---- CASES GRID ------------------------------------------ */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px,1fr));
  gap: .9rem;
}
.case-chip {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:1.1rem .75rem;
  text-align:center;
  font-weight:700;
  font-size:.8rem;
  color:var(--text-secondary);
  transition: all var(--transition);
  letter-spacing:.3px;
}
.case-chip:hover { border-color:var(--border-accent); color:var(--text-primary); }

/* ---- CONTACT CARD ---------------------------------------- */
.contact-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:2rem;
}
.contact-field {
  margin-bottom:1rem;
}
.contact-field label {
  display:block;
  font-size:.72rem;
  font-weight:600;
  color:var(--text-muted);
  text-transform:uppercase;
  letter-spacing:1px;
  margin-bottom:.4rem;
}
.contact-field input,
.contact-field textarea {
  width:100%;
  background:var(--bg-secondary);
  border:1px solid var(--border);
  color:var(--text-primary);
  padding:.75rem 1rem;
  border-radius:var(--radius-sm);
  font-family:var(--font-main);
  font-size:.9rem;
  transition:border-color var(--transition);
  outline:none;
}
.contact-field input:focus,
.contact-field textarea:focus { border-color:var(--border-accent); }
.contact-field textarea { resize:vertical; min-height:110px; }
.btn-primary {
  background:var(--accent);
  color:#fff;
  border:none;
  padding:.8rem 2rem;
  border-radius:var(--radius-sm);
  font-family:var(--font-main);
  font-size:.88rem;
  font-weight:700;
  cursor:pointer;
  transition:background var(--transition);
  letter-spacing:.5px;
}
.btn-primary:hover { background:var(--accent-light); }

/* ---- PAGE NAV (PREV / NEXT) ------------------------------ */
.page-nav {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:1.5rem 2rem;
  border-top:1px solid var(--border);
  background:var(--bg-secondary);
  flex-wrap:wrap;
  gap:1rem;
}
.pn-link {
  display:flex;
  align-items:center;
  gap:.75rem;
  color:var(--text-secondary);
  font-size:.82rem;
  transition:color var(--transition);
}
.pn-link:hover { color:var(--text-primary); }
.pn-dir  { font-size:.6rem; color:var(--accent); text-transform:uppercase; letter-spacing:1.2px; display:block; }
.pn-name { font-weight:600; }

/* ---- RODAPÉ ---------------------------------------------- */
footer {
  background:var(--bg-secondary);
  border-top:1px solid var(--border);
  padding:2.5rem 2.5rem;
}
.footer-inner {
  max-width:1200px;
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:1.5rem;
}
.footer-brand-name { font-size:1rem; font-weight:800; letter-spacing:-.3px; }
.footer-brand-sub  { font-size:.7rem; color:var(--text-muted); margin-top:2px; }
.footer-links { display:flex; gap:1.5rem; flex-wrap:wrap; }
.footer-links a { font-size:.75rem; color:var(--text-muted); transition:color var(--transition); }
.footer-links a:hover { color:var(--text-secondary); }
.footer-contact a { font-size:.85rem; color:var(--accent); }
.footer-copy { font-size:.68rem; color:var(--text-muted); text-align:right; }

/* ---- INFO BOX -------------------------------------------- */
.info-box {
  background:rgba(192,57,43,0.07);
  border:1px solid rgba(192,57,43,0.22);
  border-radius:var(--radius);
  padding:1.5rem;
}
.info-box h4 { font-size:.95rem; font-weight:700; margin-bottom:.5rem; color:var(--accent-light); }
.info-box p  { font-size:.85rem; color:var(--text-secondary); line-height:1.65; }

/* ---- SPACERS --------------------------------------------- */
.mt-1 { margin-top:.75rem; }
.mt-2 { margin-top:1.5rem; }
.mt-3 { margin-top:2.25rem; }
.mb-1 { margin-bottom:.75rem; }
.mb-2 { margin-bottom:1.5rem; }

/* ---- RESPONSIVE ------------------------------------------ */
@media (max-width:900px) {
  .topnav { padding:0 1.25rem; }
  .nav-menu { display:none; }
  .exec-grid  { grid-template-columns:1fr; gap:2rem; }
  .two-col    { grid-template-columns:1fr; gap:2rem; }
  .three-col  { grid-template-columns:1fr; }
  .hero-stats { gap:2rem; }
  .footer-inner { flex-direction:column; }
  .footer-copy  { text-align:left; }
}