/* =============================================
   FOOTER
   ============================================= */

footer {
  position: relative;
  z-index: 10;
  background: rgba(3,8,18,0.92);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 56px 60px 44px;
  border-bottom: 1px solid var(--border);
}

.footer-brand .logo-footer {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.footer-brand .logo-footer span { color: var(--cyan); }

.footer-brand .tagline {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 13.5px;
  font-weight: 300;
  color: rgba(255,255,255,0.45);
  line-height: 1.72;
  max-width: 280px;
  margin-bottom: 24px;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: rgba(59,142,240,0.08);
  border: 1px solid rgba(59,142,240,0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 15px;
  transition: all 0.22s;
}

.social-links a:hover {
  background: rgba(0,200,232,0.14);
  border-color: rgba(0,200,232,0.36);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 13.5px;
  font-weight: 300;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a:hover { color: var(--cyan-light); }

.footer-col ul li a::before {
  content: '›';
  color: var(--blue-accent);
  font-size: 16px;
  line-height: 1;
  transition: transform 0.2s;
}

.footer-col ul li a:hover::before { transform: translateX(3px); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 60px;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 12.5px;
  color: rgba(255,255,255,0.28);
  font-weight: 300;
}

.footer-bottom p span { color: var(--cyan); }

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 12.5px;
  font-weight: 300;
  color: rgba(255,255,255,0.28);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-legal a:hover { color: var(--blue-light); }

/* ---- Responsivo ---- */
@media (max-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding: 40px 24px 32px;
  }

  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { padding: 18px 24px; flex-direction: column; align-items: flex-start; }
}