:root {
  /* ==========================================================================
     PoupeSolar - Identidade Cromática Oficial Extraída do Logotipo
     ========================================================================== */

  /* Cores Principais */
  --color-primary: #092954;          /* Azul Marinho PoupeSolar ("Poupe" + painel solar) */
  --color-primary-dark: #061c3b;     /* Variação profunda para contrastes */
  --color-primary-light: #133f7c;    /* Variação intermediária */
  --color-primary-subtle: #ebf2fa;   /* Fundo azul suave com alta legibilidade */

  /* Cores Secundárias */
  --color-secondary: #36853E;        /* Verde Sustentabilidade (base ondulada do logo) */
  --color-secondary-dark: #27642e;   /* Verde escuro para hover */
  --color-secondary-subtle: #edf7ef; /* Fundo verde ecológico suave */

  /* Cor de Destaque e Conversão (Accent) */
  --color-accent: #FAA70E;           /* Amarelo/Laranja Solar ("Sol" + raios solares) */
  --color-accent-hover: #e59708;     /* Amarelo Solar hover */
  --color-accent-subtle: #fff9ed;    /* Fundo dourado/solar sutil */

  /* Fundos Claros e Escuros */
  --bg-body: #F8FAFC;                /* Fundo claro global limpo e moderno */
  --bg-surface: #FFFFFF;             /* Superfície dos cards e containers */
  --bg-surface-elevated: #FFFFFF;    /* Cards destacados */
  --bg-muted: #F1F5F9;               /* Seções alternadas neutras */
  --bg-dark: #092954;                /* Seção escura de prestígio (Navy corporativo) */
  --bg-dark-surface: #0e3469;        /* Superfícies internas na seção escura */

  /* Tipografia e Cores de Texto */
  --text-main: #0F172A;              /* Texto principal de alto contraste (Slate 900) */
  --text-muted: #475569;             /* Texto de apoio e descrições (Slate 600) */
  --text-subtle: #64748B;            /* Metadados e notas de rodapé (Slate 500) */
  --text-inverse: #FFFFFF;           /* Texto branco para superfícies escuras */
  --text-inverse-muted: #CBD5E1;     /* Texto secundário em fundo escuro */

  /* Bordas e Linhas de Divisão */
  --border-subtle: #E2E8F0;          /* Linha divisória discreta */
  --border-focus: #FAA70E;           /* Contorno de foco acessível (WCAG AA) */
  --border-dark-subtle: rgba(255, 255, 255, 0.12);

  /* Estados Funcionais */
  --color-success: #16A34A;
  --color-success-bg: #DCFCE7;
  --color-warning: #D97706;
  --color-warning-bg: #FEF3C7;
  --color-danger: #DC2626;
  --color-danger-bg: #FEE2E2;
  --color-info: #0284C7;
  --color-info-bg: #E0F2FE;

  /* Tipografia */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaçamentos e Grid */
  --container-max: 1240px;
  --container-pad: 1.5rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Sombras Suaves */
  --shadow-sm: 0 1px 2px 0 rgba(9, 41, 84, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(9, 41, 84, 0.08), 0 2px 4px -2px rgba(9, 41, 84, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(9, 41, 84, 0.08), 0 4px 6px -4px rgba(9, 41, 84, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(9, 41, 84, 0.1), 0 8px 10px -6px rgba(9, 41, 84, 0.05);

  /* Transições Suaves */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-body);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

/* ==========================================================================
   Acessibilidade e Foco
   ========================================================================== */
:focus-visible {
  outline: 3px solid var(--border-focus);
  outline-offset: 2px;
}

.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;
  top: -40px;
  left: 20px;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 10px;
}

/* ==========================================================================
   Tipografia
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.1rem, 4vw + 1rem, 3.25rem); }
h2 { font-size: clamp(1.75rem, 2.5vw + 1rem, 2.35rem); }
h3 { font-size: clamp(1.25rem, 1.5vw + 0.8rem, 1.5rem); }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-muted);
}

.lead-text {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ==========================================================================
   Layout e Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding-top: clamp(3.5rem, 6vw, 6rem);
  padding-bottom: clamp(3.5rem, 6vw, 6rem);
}

.section--sm {
  padding-top: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

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

.section--dark {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
}
.section--dark h2, .section--dark h3, .section--dark h4 {
  color: var(--text-inverse);
}
.section--dark p {
  color: var(--text-inverse-muted);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem auto;
}
.section-header--left {
  text-align: left;
  margin-left: 0;
}
.section-header h2 {
  margin-bottom: 0.85rem;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}
.badge-tag--accent {
  background-color: var(--color-accent-subtle);
  color: #B45309;
}
.badge-tag--secondary {
  background-color: var(--color-secondary-subtle);
  color: var(--color-secondary-dark);
}
.badge-tag--dark {
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-accent);
}

/* ==========================================================================
   Botões e CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.65rem;
  font-weight: 600;
  font-size: 0.985rem;
  line-height: 1.2;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
  user-select: none;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #092954; /* Alto contraste: marinho sobre amarelo */
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(250, 167, 14, 0.28);
}
.btn--primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(250, 167, 14, 0.38);
}

.btn--secondary {
  background-color: var(--color-secondary);
  color: #FFFFFF;
}
.btn--secondary:hover {
  background-color: var(--color-secondary-dark);
  transform: translateY(-2px);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--border-subtle);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-subtle);
}

.btn--outline-white {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.3);
}
.btn--outline-white:hover {
  border-color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.08);
}

.btn--whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  font-weight: 600;
}
.btn--whatsapp:hover {
  background-color: #1EBE5D;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn--lg {
  padding: 1.05rem 2rem;
  font-size: 1.08rem;
  border-radius: var(--radius-lg);
}

.btn--full {
  width: 100%;
}

/* ==========================================================================
   Header e Navegação Principal
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.site-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.935rem;
  font-weight: 500;
  color: var(--text-main);
  padding: 0.4rem 0.2rem;
  position: relative;
}
.nav-link:hover, .nav-link--active {
  color: var(--color-primary);
  font-weight: 600;
}
.nav-link--active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-primary);
}

/* Menu Mobile Overlay */
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(9, 41, 84, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--bg-surface);
  z-index: 1100;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-nav-drawer.is-open {
  right: 0;
}
.mobile-nav-backdrop.is-open {
  display: block;
  opacity: 1;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-bottom: 2rem;
}
.mobile-nav-links a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
}

@media (max-width: 1024px) {
  .nav-desktop {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
  padding: clamp(3rem, 5vw, 5.5rem) 0;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero__content {
  max-width: 620px;
}

.hero__title {
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.25rem;
}

.hero__trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-subtle);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}
.trust-item svg {
  color: var(--color-secondary);
  flex-shrink: 0;
}

/* Card Visual do Hero / Quick Simulator */
.hero-card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-subtle);
  position: relative;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 2rem;
  right: 2rem;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-secondary) 100%);
  border-radius: 4px 4px 0 0;
}

@media (max-width: 991px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* ==========================================================================
   Cards e Componentes Visuais
   ========================================================================== */
.card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(9, 41, 84, 0.15);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.card__icon--secondary {
  background: var(--color-secondary-subtle);
  color: var(--color-secondary);
}
.card__icon--accent {
  background: var(--color-accent-subtle);
  color: #B45309;
}

.card__title {
  margin-bottom: 0.65rem;
  font-size: 1.25rem;
}

.card__text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

@media (max-width: 991px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Seção "Como Funciona" (Timeline das 4 Etapas)
   ========================================================================== */
.steps-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.step-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 10px rgba(9, 41, 84, 0.2);
}

.step-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.65rem;
}

@media (max-width: 991px) {
  .steps-container {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 580px) {
  .steps-container {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Simulador de Economia Interativo
   ========================================================================== */
.simulator-box {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.simulator-box__header {
  background: var(--color-primary);
  color: #fff;
  padding: 1.75rem 2.25rem;
}
.simulator-box__header h2, .simulator-box__header h3 {
  color: #fff;
  margin-bottom: 0.35rem;
}
.simulator-box__header p {
  color: var(--text-inverse-muted);
  font-size: 0.925rem;
}

.simulator-box__body {
  padding: 2.25rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
}

@media (max-width: 860px) {
  .simulator-box__body {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }
}

.sim-results {
  background: var(--bg-muted);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sim-metric-highlight {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
  text-align: center;
}
.sim-metric-highlight .label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.sim-metric-highlight .val-big {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1.1;
  font-family: var(--font-heading);
}

.sim-details-list {
  list-style: none;
  margin-bottom: 1.5rem;
}
.sim-details-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  font-size: 0.925rem;
  border-bottom: 1px solid var(--border-subtle);
}
.sim-details-list li:last-child {
  border-bottom: none;
}
.sim-details-list .dt-label {
  color: var(--text-muted);
}
.sim-details-list .dt-val {
  font-weight: 600;
  color: var(--text-main);
}

/* ==========================================================================
   Formulários e Inputs
   ========================================================================== */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background-color: #FFFFFF;
  color: var(--text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(9, 41, 84, 0.12);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-subtle);
  margin-top: 0.35rem;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
}
.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
}

.radio-pills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.radio-pill {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.925rem;
  cursor: pointer;
  background: #fff;
  transition: all var(--transition-fast);
  user-select: none;
}
.radio-pill.is-selected {
  border-color: var(--color-primary);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

/* ==========================================================================
   Entenda sua Conta (Exemplo Comparativo Ilustrativo)
   ========================================================================== */
.bill-explainer {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.bill-breakdown-bar {
  height: 24px;
  border-radius: var(--radius-full);
  display: flex;
  overflow: hidden;
  margin: 1.5rem 0;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}
.bar-segment--eligible { background-color: var(--color-primary); }
.bar-segment--savings { background-color: var(--color-secondary); }
.bar-segment--noneligible { background-color: #94A3B8; }

.legend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.legend-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.legend-dot {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  margin-top: 4px;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .legend-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item[open] {
  border-color: var(--color-primary);
}

.faq-summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.faq-summary::-webkit-details-marker {
  display: none;
}
.faq-summary svg {
  transition: transform var(--transition-normal);
  flex-shrink: 0;
  color: var(--color-accent);
}
.faq-item[open] .faq-summary svg {
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding-top: clamp(3.5rem, 5vw, 5rem);
  padding-bottom: 2rem;
  margin-top: auto;
  border-top: 4px solid var(--color-accent);
}

.site-footer a {
  color: var(--text-inverse-muted);
}
.site-footer a:hover {
  color: var(--color-accent);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer__brand p {
  color: var(--text-inverse-muted);
  font-size: 0.925rem;
  margin-top: 1rem;
  max-width: 340px;
}

.footer__col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  position: relative;
  display: inline-block;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.925rem;
}

.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-inverse-muted);
}

@media (max-width: 991px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}
@media (max-width: 580px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   WhatsApp Flutuante e Barra Inferior Mobile
   ========================================================================== */
.whatsapp-floating {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 990;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background-color: #25D366;
  color: #FFFFFF;
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  font-weight: 600;
  font-size: 0.925rem;
  transition: all var(--transition-fast);
}
.whatsapp-floating:hover {
  background-color: #1EBE5D;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
  color: #FFFFFF;
}

.mobile-bottom-bar {
  display: none;
}

@media (max-width: 768px) {
  .whatsapp-floating {
    bottom: 84px; /* acima da barra móvel se ativa */
    padding: 0.65rem;
    border-radius: var(--radius-full);
  }
  .whatsapp-floating span {
    display: none;
  }

  .mobile-bottom-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #FFFFFF;
    border-top: 1px solid var(--border-subtle);
    padding: 0.65rem 1rem;
    z-index: 980;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.06);
    gap: 0.75rem;
  }
  .mobile-bottom-bar .btn {
    flex: 1;
    padding: 0.75rem;
    font-size: 0.9rem;
  }
}

/* ==========================================================================
   Banner de Consentimento de Cookies (LGPD)
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  max-width: 440px;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  display: none;
}
.cookie-banner.is-visible {
  display: block;
  animation: slideUp 0.3s ease-out;
}
@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cookie-banner h4 {
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}
.cookie-banner p {
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}
.cookie-banner__actions {
  display: flex;
  gap: 0.5rem;
}
.cookie-banner__actions .btn {
  padding: 0.5rem 0.85rem;
  font-size: 0.85rem;
}