#footer {
  position: relative;
  background: #07070d;
  padding: 72px 48px 0;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-col-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0,212,255,0.35));
}

.footer-desc {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 1.65;
  color: #6a7a8e;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 12px;
  align-items: center;
}

.footer-social-link {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6a7a8e;
  font-size: 16px;
  text-decoration: none;
  transition: color 0.3s ease, border-color 0.3s ease,
              background 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.footer-social-link:hover {
  color: #00d4ff;
  border-color: rgba(0,212,255,0.45);
  background: rgba(0,212,255,0.07);
  box-shadow: 0 0 12px rgba(0,212,255,0.15);
  transform: translateY(-3px);
}

.footer-col-title {
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #00d4ff;
  text-shadow: 0 0 8px rgba(0,212,255,0.3);
  margin-bottom: 20px;
}

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

.footer-nav-list li a {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  font-size: 15px;
  color: #6a7a8e;
  text-decoration: none;
  transition: color 0.3s ease, padding-left 0.3s ease;
  display: inline-block;
}

.footer-nav-list li a:hover {
  color: #c0c8d8;
  padding-left: 6px;
}

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

.footer-coverage-list li {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  font-size: 15px;
  color: #6a7a8e;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact-list li a {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  font-size: 15px;
  color: #6a7a8e;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: color 0.3s ease;
}

.footer-contact-list li a i {
  font-size: 16px;
  width: 18px;
  text-align: center;
  color: #00d4ff;
  flex-shrink: 0;
}

.footer-contact-list li a:hover { color: #c0c8d8; }

.footer-divider {
  max-width: 1280px;
  margin: 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0,212,255,0.5) 30%, rgba(123,47,255,0.5) 70%, transparent 100%);
  box-shadow: 0 0 12px rgba(0,212,255,0.15);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 0 28px;
  text-align: center;
}

.footer-bottom p {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #3a4a5a;
}

/* 1440px+ */
@media (min-width: 1440px) {
  #footer { padding: 72px 64px 0; }
  .footer-inner { max-width: 1320px; }
  .footer-divider, .footer-bottom { max-width: 1320px; }
}

/* Laptop */
@media (max-width: 1280px) {
  #footer { padding: 72px 40px 0; }
  .footer-inner { gap: 36px; }
}

/* Tablet landscape */
@media (max-width: 1024px) {
  #footer { padding: 64px 32px 0; }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-col-brand {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 28px;
  }
  .footer-desc { max-width: 360px; }
}

/* Tablet portrait */
@media (max-width: 768px) {
  #footer { padding: 56px 24px 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-col-brand { flex-direction: column; gap: 16px; }
  .footer-desc { max-width: 100%; }
}

/* Móvil */
@media (max-width: 480px) {
  #footer { padding: 48px 16px 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; padding-bottom: 36px; }
  .footer-col-brand { flex-direction: column; }
}