.footer {
  background: linear-gradient(180deg, #050d1a 0%, #0a1628 100%);
  color: rgba(255,255,255,.75);
}
.footer-top { padding: 80px 0 48px; border-bottom: 1px solid rgba(255,255,255,.07); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
}

/* Brand */
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 8px;
}
.footer-logo-name { font-size: 1rem; font-weight: 800; color: #fff; line-height: 1.1; }
.footer-logo-sub { font-size: .72rem; color: rgba(255,255,255,.45); font-weight: 500; }
.footer-desc { font-size: .88rem; line-height: 1.7; color: rgba(255,255,255,.55); margin-bottom: 24px; }

.footer-socials { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px; border-radius: 8px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.6); transition: all .25s;
}
.social-btn:hover { background: #3b82f6; border-color: #3b82f6; color: #fff; transform: translateY(-3px); }

/* Columns */
.footer-heading {
  font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: rgba(255,255,255,.4); margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link {
  display: flex; align-items: center; gap: 6px;
  color: rgba(255,255,255,.6); font-size: .88rem; transition: all .2s;
}
.footer-link:hover { color: #60a5fa; padding-left: 4px; }

/* Contact */
.footer-contact-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 10px; font-size: .88rem; }
.footer-contact-list a { color: rgba(255,255,255,.6); transition: color .2s; }
.footer-contact-list a:hover { color: #60a5fa; }
.footer-contact-icon { color: #3b82f6; flex-shrink: 0; margin-top: 2px; }

.footer-wa-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff; font-weight: 700; font-size: .85rem;
  padding: 12px 20px; border-radius: 10px;
  box-shadow: 0 4px 16px rgba(34,197,94,.35);
  transition: all .25s;
}
.footer-wa-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34,197,94,.45); }

/* Bottom */
.footer-bottom { padding: 20px 0; }
.footer-bottom-inner {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  font-size: .82rem; color: rgba(255,255,255,.3);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom-inner { justify-content: center; text-align: center; }
}