/* ===== BHAUU FOOTER ===== */
.footer {
  background: #050508;
  border-top: 1px solid rgba(139,92,246,0.12);
  padding: 80px 0 0;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(109,40,217,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Brand */
.footer-brand .footer-logo {
  display: block;
  text-decoration: none;
  margin-bottom: 16px;
}

.footer-logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.footer-brand .footer-logo img {
  height: 36px;
  width: auto;
}

.footer-logo-tag {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
}

.footer-brand p {
  color: rgba(255,255,255,0.45);
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 280px;
  margin-top: 16px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.social-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.social-btn:hover {
  background: rgba(139,92,246,0.15);
  border-color: rgba(139,92,246,0.4);
  color: #a78bfa;
  transform: translateY(-3px);
}

/* Columns */
.footer-col h4 {
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 20px;
}

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

.footer-col ul li a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a::before {
  content: '→';
  font-size: 0.75rem;
  color: var(--accent, #8b5cf6);
  opacity: 0;
  transform: translateX(-6px);
  transition: all 0.3s ease;
}

.footer-col ul li a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-col ul li a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

/* Bottom */
.footer-bottom {
  max-width: 1200px;
  margin: 60px auto 0;
  padding: 24px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 0.82rem;
}

.footer-bottom p span {
  color: #ec4899;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: rgba(255,255,255,0.3);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.3s;
}

.footer-bottom-links a:hover { color: #a78bfa; }

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 50px; right: 30px;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  color: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.1rem;
  box-shadow: 0 8px 30px rgba(139,92,246,0.4);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
  z-index: 9990;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(139,92,246,0.55);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .footer { padding: 60px 0 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .back-to-top { bottom: 20px; right: 16px; width: 40px; height: 40px; }
}