/* ==========================================================================
   ETAPA 10: RODAPÉ (FECHAMENTO ESTRUTURAL INDEPENDENTE)
   Fundo Preto Puro (#000000) · Estritamente Monocromático
   Design: Sem cards, sem caixas, sem megamenu, sem glow ou gradientes.
   Transição Seca e Direta: Contato (#FFFFFF) → Rodapé (#000000)
   ========================================================================== */

.site-footer {
  position: relative;
  width: 100%;
  background-color: var(--section-bg, #000000);
  color: var(--section-text, #FFFFFF);
  padding-top: clamp(4rem, 6.5vw, 6rem);
  padding-bottom: clamp(2rem, 3.5vw, 3rem);
  box-sizing: border-box;
  border-top: none;
}

.footer-container {
  max-width: var(--container-max-width, 1280px);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding, clamp(1.5rem, 4vw, 3rem));
  padding-right: var(--container-padding, clamp(1.5rem, 4vw, 3rem));
  box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   1. Grid Editorial Superior (3 Áreas: Marca | Navegação | Contato)
   -------------------------------------------------------------------------- */
.footer-top {
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 5vh, 4rem);
}

@media (min-width: 768px) and (max-width: 991px) {
  .footer-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 3rem;
    row-gap: 3rem;
  }

  .footer-col-brand {
    grid-column: 1 / -1;
  }
}

@media (min-width: 992px) {
  .footer-top {
    display: grid;
    grid-template-columns: minmax(280px, 1.4fr) minmax(180px, 0.8fr) minmax(220px, 1fr);
    column-gap: clamp(3rem, 5.5vw, 6rem);
    align-items: start;
  }
}

/* --------------------------------------------------------------------------
   2. Coluna 1: Marca & Posicionamento
   -------------------------------------------------------------------------- */
.footer-col-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo-wrap {
  display: inline-block;
  margin-bottom: 1.25rem;
}

.footer-logo {
  display: block;
  width: 115px;
  height: auto;
  object-fit: contain;
}

.footer-tagline {
  font-family: var(--font-sans);
  font-size: clamp(0.9375rem, 1.05vw, 1rem);
  font-weight: var(--font-weight-regular);
  line-height: 1.6;
  color: var(--section-muted, #999999);
  margin: 0;
  max-width: 320px;
  text-wrap: pretty;
}

/* --------------------------------------------------------------------------
   3. Títulos Discretos das Colunas
   -------------------------------------------------------------------------- */
.footer-col-title {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--section-dim, #999999);
  margin-bottom: 1.25rem;
}

/* --------------------------------------------------------------------------
   4. Coluna 2: Navegação Rápida (Âncoras Reais)
   -------------------------------------------------------------------------- */
.footer-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-regular);
  color: #FFFFFF;
  text-decoration: none;
  min-height: 28px;
  transition: opacity var(--transition-fast, 0.15s ease);
}

.footer-link:hover {
  opacity: 0.7;
}

.footer-link:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 4px;
}

/* --------------------------------------------------------------------------
   5. Coluna 3: Contato Direto & Redes
   -------------------------------------------------------------------------- */
.footer-contact-address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-contact-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--section-dim, #999999);
}

.footer-contact-value {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-regular);
  color: #FFFFFF;
  text-decoration: none;
  transition: opacity var(--transition-fast, 0.15s ease);
}

.footer-contact-value:hover {
  opacity: 0.7;
}

.footer-contact-value:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 4px;
}

/* Redes Sociais Integradas */
.footer-social-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-regular);
  color: #FFFFFF;
  text-decoration: none;
  min-height: 28px;
  transition: opacity var(--transition-fast, 0.15s ease);
}

.footer-social-link:hover {
  opacity: 0.7;
}

.footer-social-link:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 4px;
}

/* --------------------------------------------------------------------------
   6. Faixa Inferior: Copyright & Links Legais
   -------------------------------------------------------------------------- */
.footer-bottom {
  margin-top: clamp(3rem, 5vw, 4.5rem);
  padding-top: clamp(1.5rem, 2.5vw, 2rem);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-copyright {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: var(--font-weight-regular);
  color: var(--section-dim, #999999);
  margin: 0;
  line-height: 1.5;
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-legal-link {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: var(--font-weight-regular);
  color: var(--section-dim, #999999);
  text-decoration: none;
  transition: color var(--transition-fast, 0.15s ease);
}

.footer-legal-link:hover {
  color: #FFFFFF;
}

.footer-legal-link:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 3px;
}

.footer-legal-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   7. Responsividade Mobile (< 640px)
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .site-footer {
    padding-top: 3.5rem;
    padding-bottom: 2.5rem;
  }

  .footer-link,
  .footer-social-link,
  .footer-contact-value {
    min-height: 44px; /* Área de toque confortável no celular */
  }

  .footer-tagline {
    max-width: 100%;
  }
}