/* ==========================================================================
   FOOTER — duas variantes usadas no site:
   1) Completo (.footer-top, 4 colunas) — index/produtos/volteye-info
   2) Compacto (.footer-logo/.footer-slogan/.footer-links) — solucoes/empresa/contato
   ========================================================================== */
footer {
  position: relative;
  z-index: 1;
  background: rgba(5, 13, 26, 0.95);
  border-top: 1px solid rgba(0, 207, 255, 0.1);
  padding: 60px 5% 30px;
}

body.light-theme footer {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(0, 153, 204, 0.22);
}

/* ── Variante completa ── */
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.82rem;
  color: var(--gray);
  line-height: 1.8;
  max-width: 300px;
}

.footer-slogan {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--electric);
  margin-top: 16px;
  opacity: 0.8;
}

.footer-col h4 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(0, 207, 255, 0.15);
  padding-bottom: 10px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.83rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--electric);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(0, 207, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.3s;
}

.social-link:hover {
  border-color: var(--electric);
  color: var(--electric);
  box-shadow: var(--glow-blue);
}

.footer-bottom {
  border-top: 1px solid rgba(0, 207, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(143, 168, 200, 0.5);
  font-family: 'Share Tech Mono', monospace;
}

/* footer-logo redondo grande (usado no index como imagem de destaque) */
img.footer-logo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(0, 207, 255, 0.35);
  box-shadow:
    0 0 10px rgba(0, 207, 255, 0.6),
    0 0 25px rgba(0, 207, 255, 0.3),
    0 0 45px rgba(0, 207, 255, 0.15);
  transition: all 0.3s ease;
  display: block;
  margin-bottom: 12px;
}

img.footer-logo:hover {
  transform: scale(1.08);
  box-shadow:
    0 0 15px rgba(0, 207, 255, 0.9),
    0 0 35px rgba(0, 207, 255, 0.5),
    0 0 70px rgba(0, 207, 255, 0.25);
}

/* ── Variante compacta (solucoes / empresa / contato) ── */
div.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
}

footer {
  text-align: center;
}

.footer-top,
.footer-brand,
.footer-col {
  text-align: left;
}

div.footer-logo img {
  height: 36px;
  width: 36px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 12px rgba(0, 207, 255, 0.5), 0 0 30px rgba(0, 207, 255, 0.2);
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.78rem;
  transition: color 0.2s;
}

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

.footer-copy {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.6rem;
  color: rgba(143, 168, 200, 0.35);
  letter-spacing: 2px;
}

@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}