.footer {
  background: linear-gradient(135deg, var(--text-dark) 0%, #1a2332 100%);
  color: var(--white);
  padding: 4rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.footer::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,102,204,0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.footer__column { 
  display: flex; 
  flex-direction: column; 
}

.footer__logo {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  display: flex; 
  align-items: center; 
  gap: 0.75rem;
  letter-spacing: -0.01em;
}

.footer__logo-img {
  width: 3rem;
  height: 3rem;
  border-radius: 10px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
  transition: all 0.3s ease;
}

.footer__logo:hover .footer__logo-img {
  transform: scale(1.05);
  filter: drop-shadow(0 6px 12px rgba(0,0,0,0.4));
}

.footer__about { 
  color: rgba(255,255,255,0.8); 
  margin-bottom: 1.5rem; 
  line-height: 1.6;
  font-size: 0.95rem;
}

.footer__heading {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  position: relative;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.footer__heading::after {
  content: '';
  position: absolute; 
  bottom: -8px; 
  left: 0;
  width: 40px; 
  height: 3px; 
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 2px;
}

.footer__links {
  list-style: none;
  display: flex; 
  flex-direction: column; 
  gap: 1rem;
}

.footer__link {
  color: rgba(255,255,255,0.7);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  font-size: 0.95rem;
  position: relative;
  padding-left: 0;
}

.footer__link::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0;
  transition: all 0.3s ease;
}

.footer__link:hover, .footer__link:focus {
  color: var(--white);
  transform: translateX(8px);
  padding-left: 12px;
}

.footer__link:hover::before {
  opacity: 1;
}

.footer__divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  margin-bottom: 2rem;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

.footer__copyright {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

@media (max-width: 768px) {
  .footer {
    padding: 3rem 0 1.5rem;
  }
  
  .footer__grid { 
    grid-template-columns: 1fr; 
    gap: 2rem;
    margin-bottom: 2.5rem;
  }
  
  .footer__bottom { 
    flex-direction: column; 
    text-align: center; 
    gap: 1rem;
  }
  
  .footer__logo {
    font-size: 1.3rem;
  }
  
  .footer__logo-img {
    width: 2.5rem;
    height: 2.5rem;
  }
}