/* ============================================================
   FOOTER — Rodapé do site
   ============================================================ */

.site-footer {
  position: relative;
  z-index: 5;
  margin-top: var(--space-3xl);
  border-top: 1px solid rgba(79,143,255,0.1);
  background: linear-gradient(to bottom, transparent, rgba(5,8,20,0.8));
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl) var(--space-2xl);
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: var(--space-3xl);
  align-items: start;
}

/* ── Brand ── */

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

/* Logo movido para main.css (.brand-logo) */

.footer-logo strong {
  color: var(--blue-electric);
  font-weight: 900;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 260px;
}

/* ── Share ── */
.footer-share {
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-share h4 {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.share-buttons {
  display: flex;
  gap: var(--space-sm);
}

.btn-share {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(10, 15, 30, 0.6);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.btn-share:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--blue-electric);
  color: #fff;
  transform: translateY(-2px);
}

/* ── Links ── */
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.footer-link {
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
  width: fit-content;
}

.footer-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--blue-electric);
  transition: width var(--transition-base);
}

.footer-link:hover {
  color: var(--blue-electric);
}

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

.footer-info {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: block;
}

/* ── Bottom bar ── */
.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.04);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

/* ── Responsividade Footer ── */
@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    padding: var(--space-2xl) var(--space-lg);
  }

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

@media (max-width: 480px) {
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}