/* ─── Site Footer ─── */
.site-footer {
  margin-top: auto;
  padding: var(--space-xl) 0 calc(var(--nav-bottom-h) + var(--safe-bottom) + var(--space-xl));
  background: var(--bg-deep);
  border-top: 1px solid var(--border-subtle);
}

@media (min-width: 768px) {
  .site-footer {
    padding-bottom: var(--layout-gap-page);
  }
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.site-footer__columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg) var(--space-md);
  padding-bottom: var(--space-lg);
}

.site-footer__col[id] {
  scroll-margin-bottom: calc(var(--nav-bottom-h) + var(--safe-bottom) + var(--space-md));
}

.site-footer__col-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.site-footer__links a {
  font-size: var(--text-sm);
  color: var(--text-primary);
  transition: color var(--duration-fast);
}

.site-footer__links a:hover {
  color: var(--accent-primary);
}

.site-footer__divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: var(--space-lg) 0;
}

.site-footer__block {
  padding: var(--space-xs) 0;
}

.site-footer__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.site-footer__social-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.site-footer__social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: border-color var(--duration-fast), transform var(--duration-fast);
}

.site-footer__social-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.site-footer__social-btn--telegram {
  color: #29a9eb;
  background: rgba(41, 169, 235, 0.12);
  border-color: rgba(41, 169, 235, 0.3);
}

.site-footer__social-btn--facebook {
  color: #1877f2;
  background: rgba(24, 119, 242, 0.12);
  border-color: rgba(24, 119, 242, 0.3);
}

.site-footer__social-btn--instagram {
  color: #e4405f;
  background: rgba(228, 64, 95, 0.12);
  border-color: rgba(228, 64, 95, 0.3);
}

.site-footer__social-btn--whatsapp {
  color: #25d366;
  background: rgba(37, 211, 102, 0.12);
  border-color: rgba(37, 211, 102, 0.3);
}

.site-footer__age-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--accent-hot);
  background: var(--bg-elevated);
  border: 2px solid var(--accent-hot);
}

.site-footer__about p {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--text-secondary);
  text-align: justify;
}

/* ─── Provedores ─── */
.site-footer__providers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.site-footer__provider {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.5rem;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.site-footer__provider img {
  max-width: 100%;
  max-height: 2.5rem;
  width: auto;
  height: auto;
  object-fit: contain;
}

.site-footer__provider-placeholder {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.3;
}

.site-footer__legal {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
}

/* ─── Botão voltar ao topo ─── */
@keyframes scroll-top-rocket {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  35% {
    transform: translateY(-5px) rotate(-14deg);
  }

  70% {
    transform: translateY(-2px) rotate(10deg);
  }
}

.scroll-top {
  --scroll-top-w: 7.25rem;
  --scroll-top-peek: 2.5rem;
  position: fixed;
  z-index: 105;
  right: var(--space-md);
  bottom: calc(var(--nav-bottom-h) + var(--safe-bottom) + var(--space-md));
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.35rem 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  box-shadow: var(--shadow-soft);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition:
    right 0.35s var(--ease-out),
    opacity 0.25s var(--ease-out),
    visibility 0.25s,
    transform 0.25s var(--ease-out);
}

.scroll-top.is-at-top {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(0.5rem);
}

.scroll-top.is-scrolling {
  right: calc(var(--scroll-top-peek) - var(--scroll-top-w));
  transition: right 0.35s var(--ease-out);
}

.scroll-top.is-scrolling .scroll-top__icon iconify-icon {
  animation: scroll-top-rocket 0.75s var(--ease-spring) infinite;
}

.scroll-top.is-idle {
  right: var(--space-md);
  transition: right 0.9s var(--ease-spring);
}

.scroll-top:hover {
  border-color: rgba(0, 230, 138, 0.35);
  background: var(--bg-surface);
}

.scroll-top__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-full);
  color: var(--bg-void);
  background: var(--accent-primary);
  flex-shrink: 0;
}

.scroll-top__label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  white-space: nowrap;
}

@media (min-width: 768px) {
  .scroll-top {
    bottom: var(--space-xl);
  }

  .site-footer__providers-grid {
    grid-template-columns: repeat(8, 1fr);
  }
}

@media (max-width: 767px) {
  .scroll-top {
    --scroll-top-w: 2.75rem;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    justify-content: center;
    gap: 0;
    right: var(--space-md);
    bottom: calc(var(--nav-bottom-h) + var(--safe-bottom) + var(--space-sm));
  }

  .scroll-top.is-at-top {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(0.5rem);
  }

  .scroll-top.is-scrolling,
  .scroll-top.is-idle {
    right: var(--space-md);
    transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
  }

  .scroll-top.is-scrolling .scroll-top__icon iconify-icon {
    animation: none;
  }

  .scroll-top__label {
    display: none;
  }

  .scroll-top__icon {
    width: 2.75rem;
    height: 2.75rem;
  }

  .site-footer__columns {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }

  .site-footer__col-title {
    font-size: 0.65rem;
    margin-bottom: var(--space-sm);
    letter-spacing: 0.02em;
  }

  .site-footer__links {
    gap: 0.4rem;
  }

  .site-footer__links a {
    font-size: 0.7rem;
    line-height: 1.35;
  }

  .site-footer__providers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}