.footer-section {
  background: linear-gradient(90deg, #0d1b2a, #1b263b);
  color: #e0e0e0;
  padding: 60px 0 20px;
  position: relative;
}

.footer-container {
  max-width: 1800px;
  margin: 0 auto;
  padding: 0 30px;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
}

.footer-column {
  flex: 1 1 250px;
  padding: 10px 20px;
}

.footer-column h2 {
  font-size: 1.1rem;
  margin-bottom: 15px;
  color: #ffffff;
  letter-spacing: 1px;
  border-bottom: 1px solid #78bed3;
  padding-bottom: 5px;
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column ul li a {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-column ul li a:hover {
  color: #78bed3;
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 10px;
}

.social-icons a img {
  width: 30px;
  height: 30px;
  transition: transform 0.3s ease, filter 0.3s ease;
  filter: grayscale(100%) brightness(1.5);
}

.social-icons a img:hover {
  transform: scale(1.2);
  filter: grayscale(0%) brightness(1);
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-top: 20px;
}

.contact-info p {
  margin-bottom: 10px;
  font-size: 1rem;
}

.footer-column.align-right {
  text-align: right;
}

.footer-bottom {
  text-align: center;
  font-size: 0.9rem;
  color: #c7c0be;
  padding-top: 20px;
  margin-top: 20px;
}

.footer-divider {
  border: none;
  border-top: 1px solid #78bed3;
  margin-bottom: 15px;
  width: 100%;
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #78bed3;
  color: #021c43;
  font-size: 24px;
  padding: 10px 15px;
  border-radius: 50%;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: background 0.3s, transform 0.3s;
  z-index: 999;
}

.back-to-top:hover {
  background-color: #50a5bf;
  transform: scale(1.1);
}

.fade-in {
  opacity: 0;
  animation: fadeIn 1s ease-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-column {
    width: 100%;
    margin-bottom: 20px;
  }

  .footer-column.align-right {
    text-align: left;
  }
}