/* ==========================================================================
   GR SILVA CONTABILIDADE E CONSULTORIA - STYLESHEET
   Identidade Visual Única: Modern, Clean & Pure Black Corporate
   ========================================================================== */

:root {
  /* Unique Brand Palette - Champagne Gold & Pure Black */
  --primary-gold: #C5A059;
  --primary-gold-hover: #A8833E;
  --gold-light: #F5EFEB;
  --gold-gradient: linear-gradient(135deg, #D8B467 0%, #C5A059 50%, #9E7D39 100%);
  --gold-gradient-soft: linear-gradient(135deg, rgba(216, 180, 103, 0.12) 0%, rgba(197, 160, 89, 0.05) 100%);
  --gold-glow: rgba(197, 160, 89, 0.22);

  --slate-dark: #000000;
  --slate-heading: #0F172A;
  --slate-body: #334155;
  --slate-muted: #64748B;
  --slate-border: #E2E8F0;
  --slate-bg-alt: #F8FAFC;
  --slate-card-bg: #FFFFFF;

  /* Typography */
  --font-primary: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Layout & Spacing */
  --container-max: 1240px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Shadows & Effects */
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 24px 48px -12px rgba(15, 23, 42, 0.1);
  --shadow-gold: 0 12px 32px rgba(197, 160, 89, 0.22);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-primary);
  background-color: #FFFFFF;
  color: var(--slate-body);
  line-height: 1.65;
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

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

/* Header Navigation (Transparente no Topo / Vidro Escuro ao Rolar) */
.header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
  box-shadow: none;
  transition: var(--transition);
}

.header.scrolled {
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(10, 10, 12, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(197, 160, 89, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-weight: 600;
  color: #FFFFFF;
  font-size: 0.95rem;
  position: relative;
  letter-spacing: -0.01em;
}

.nav-link:hover {
  color: var(--primary-gold);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-gradient);
  transition: var(--transition);
  border-radius: var(--radius-full);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.9rem 1.85rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
  letter-spacing: -0.01em;
}

.btn-gold {
  background: var(--gold-gradient);
  color: #0F172A;
  box-shadow: var(--shadow-gold);
  border: none;
}

.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(197, 160, 89, 0.45);
  color: #000000;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: #FFFFFF;
  border-color: #FFFFFF;
  color: #0F172A;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: #FFFFFF;
}

/* Hero Section (Com Vídeo de Fundo Background Escuro) */
.hero {
  position: relative;
  padding: 9.5rem 0 7.5rem;
  background-color: #050508;
  overflow: hidden;
}

/* Recorte da Marca d'Água do Vídeo via Zoom Proporcional */
.hero-bg-video {
  position: absolute;
  top: 48%;
  left: 50%;
  min-width: 110%;
  min-height: 110%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%) scale(1.18);
  object-fit: cover;
  z-index: 0;
  filter: contrast(1.08) brightness(0.85);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 5, 8, 0.68) 0%, rgba(5, 5, 8, 0.88) 100%);
  z-index: 1;
  pointer-events: none;
}

/* Scroll Reveal Animations (Entrada Dinâmica ao Rolar a Página) */
.js-ready .reveal {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.js-ready .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

.delay-3 {
  transition-delay: 0.3s;
}

.delay-4 {
  transition-delay: 0.4s;
}

.hero-content-centered {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.4rem;
  line-height: 1.15;
  color: #FFFFFF;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 20px rgba(0,0,0,0.6);
}

.hero-title span.highlight {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: #CBD5E1;
  margin: 0 auto 2.25rem;
  max-width: 660px;
  line-height: 1.65;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

.hero-trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.925rem;
  font-weight: 600;
  color: #F1F5F9;
}

.trust-item svg {
  color: var(--primary-gold);
}

/* Sections Setup */
.section {
  padding: 5.5rem 0;
}

.section-alt {
  background-color: var(--slate-bg-alt);
}

.section-title-wrap {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.75rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary-gold);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--slate-heading);
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.075rem;
  color: var(--slate-body);
}

/* Features Grid (Diferenciais) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-box {
  background: var(--slate-card-bg);
  padding: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.feature-box:hover {
  transform: translateY(-6px);
  border-color: var(--primary-gold);
  box-shadow: var(--shadow-md);
}

.feature-icon-badge {
  width: 48px;
  height: 48px;
  background: var(--gold-gradient-soft);
  border: 1px solid rgba(197, 160, 89, 0.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-gold);
  margin-bottom: 1.25rem;
}

.feature-box h4 {
  font-size: 1.2rem;
  color: var(--slate-heading);
  margin-bottom: 0.65rem;
  font-weight: 700;
}

.feature-box p {
  font-size: 0.95rem;
  color: var(--slate-body);
  line-height: 1.65;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--slate-card-bg);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-lg);
  padding: 2.75rem 2.25rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-gold);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 58px;
  height: 58px;
  background: var(--gold-gradient-soft);
  border: 1px solid rgba(197, 160, 89, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary-gold);
}

.service-card h3 {
  font-size: 1.3rem;
  color: var(--slate-heading);
  font-weight: 700;
  margin-bottom: 0.85rem;
}

.service-card p {
  color: var(--slate-body);
  font-size: 0.975rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-list {
  margin-bottom: 1.75rem;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--slate-muted);
  margin-bottom: 0.6rem;
}

.service-list li::before {
  content: '✓';
  color: var(--primary-gold);
  font-weight: 800;
}

/* Niche Grid (Para Quem É) */
.niche-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.niche-card {
  background: var(--slate-card-bg);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--slate-border);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.niche-card:hover {
  border-color: var(--primary-gold);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.niche-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.niche-card h4 {
  font-size: 1.15rem;
  color: var(--slate-heading);
  font-weight: 700;
}

.niche-card p {
  font-size: 0.9rem;
  color: var(--slate-body);
}

/* Physical Office Section (Preto Puro Elegante) */
.office-section {
  background: #000000;
  color: #FFFFFF;
  padding: 5.5rem 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(197, 160, 89, 0.25);
  border-bottom: 1px solid rgba(197, 160, 89, 0.25);
}

.office-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.office-card {
  background: #08080A;
  border: 1px solid rgba(197, 160, 89, 0.35);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
}

.office-card h3 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  color: #FFFFFF;
}

.office-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.office-item-icon {
  color: var(--primary-gold);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

/* FAQ Accordion */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--slate-card-bg);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.faq-item.active {
  border-color: var(--primary-gold);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.75rem;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate-heading);
  cursor: pointer;
  font-family: var(--font-primary);
}

.faq-icon {
  transition: var(--transition);
  color: var(--primary-gold);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.75rem;
  font-size: 0.975rem;
  color: var(--slate-body);
}

.faq-item.active .faq-answer {
  padding: 0 1.75rem 1.75rem;
  max-height: 500px;
}

/* Final CTA Section (Preto Puro Elegante) */
.cta-banner {
  background: #000000;
  color: #FFFFFF;
  padding: 5.5rem 0;
  text-align: center;
  border-top: 1px solid rgba(197, 160, 89, 0.25);
}

.cta-banner h2 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.cta-banner p {
  font-size: 1.15rem;
  color: #A1A1AA;
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

/* Footer (Preto Puro Elegante) */
.footer {
  background: #000000;
  color: #A1A1AA;
  padding: 4.5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.925rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  margin-top: 1rem;
  max-width: 320px;
  line-height: 1.65;
}

.footer-title {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.35rem;
}

.footer-links li {
  margin-bottom: 0.85rem;
}

.footer-links a:hover {
  color: var(--primary-gold);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.875rem;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 62px;
  height: 62px;
  background: #25D366;
  color: #FFFFFF;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45);
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 14px 35px rgba(37, 211, 102, 0.55);
}



.mobile-cta-item {
  display: none;
}

/* Responsiveness */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .header-actions {
    display: none;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .office-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    z-index: 1002;
  }
  .mobile-cta-item {
    display: block;
    width: 100%;
    max-width: 280px;
    margin-top: 1rem;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 5rem 2rem 3rem;
    z-index: 1001;
    display: none;
  }
  .nav-menu.active {
    display: flex;
  }
  .nav-link {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0F172A;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2rem;
  }
  .logo-img {
    height: 44px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
}