/* ═══════════════════════════════════════════════════════════════
   VNV — CORPORATE FOOTER (DEEP SLATE ANCHOR)
   High contrast, crisp corporate typography, and link structure
   Palette: Midnight Slate (#09111e) + Cyan-Teal (#0891b2) + Slate (#cbd5e1)
═══════════════════════════════════════════════════════════════ */

footer {
  background: #080d18;
  border-top: 1px solid rgba(8, 145, 178, 0.3);
  padding: 50px 32px 36px;
  position: relative;
  overflow: hidden;
  color: #cbd5e1;
  width: 100%;
  box-sizing: border-box;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #0891b2, transparent);
  box-shadow: 0 0 20px rgba(8, 145, 178, 0.7);
}

.footer-top {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(30, 41, 59, 0.9);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.footer-logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(8, 145, 178, 0.5));
}

.footer-brand-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #ffffff;
  text-transform: uppercase;
}

.footer-brand-desc {
  font-size: 13.5px;
  color: #94a3b8;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #38bdf8;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-link {
  display: block;
  font-size: 13.5px;
  color: #cbd5e1;
  padding: 6px 0;
  transition: all 0.2s ease;
}

.footer-link:hover {
  color: #38bdf8;
  transform: translateX(4px);
}

/* ─── GLOBAL HUBS STRIP ─── */
.footer-hubs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.hub-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.hub-city {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
}

.hub-clock {
  font-size: 11px;
  color: #38bdf8;
  font-family: monospace;
  margin-top: 2px;
}

/* ─── FOOTER BOTTOM ─── */
.footer-bottom {
  max-width: var(--max-w);
  margin: 32px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  font-size: 12.5px;
  color: #94a3b8;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-social {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.footer-social:hover {
  background: #0891b2;
  border-color: #0891b2;
  color: #ffffff;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 16px rgba(8, 145, 178, 0.4);
}

.footer-social.social-linkedin:hover {
  background: #0077b5;
  border-color: #0077b5;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(0, 119, 181, 0.5);
}

.footer-social.social-x:hover {
  background: #1e293b;
  border-color: #64748b;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.2);
}

.footer-social.social-instagram:hover {
  background: linear-gradient(45deg, #f09433, #dc2743, #bc1888);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(225, 48, 108, 0.5);
}

.footer-social.social-youtube:hover {
  background: #ff0000;
  border-color: #ff0000;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(255, 0, 0, 0.5);
}

.footer-social.social-github:hover {
  background: #24292e;
  border-color: #475569;
  color: #38bdf8;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35);
}

.footer-social svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s ease;
}

.footer-social:hover svg {
  transform: scale(1.1);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  footer { padding: 60px 32px 30px; }
}

@media (max-width: 640px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  footer { padding: 50px 20px 24px; }
}