.body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f8f9fa;
  color: #212529;
  margin: 0;
  padding: 0;
}

.custom-navbar {
  transition: all 0.3s ease-in-out;
}

.navbar .nav-link {
  position: relative;
  color: #555;
  transition: color 0.3s ease-in-out;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: #0d6efd;
}

.navbar .nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0%;
  height: 2px;
  background-color: #0d6efd;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
  width: 50%;
}

.cart-btn:hover {
  background-color: #0d6efd;
  color: white;
}

.badge {
  font-size: 0.7rem;
}

/* Footer  */
.footer-link {
  color: #adb5bd;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: #0d6efd;
}

.social-link {
  color: #adb5bd;
  font-size: 1.2rem;
  transition: color 0.3s ease, transform 0.2s ease;
}

.social-link:hover {
  color: #0d6efd;
  transform: translateY(-2px);
}

.site-footer h5, .site-footer h6 {
  color: #fff;
}

.site-footer p {
  color: #adb5bd;
}

.site-footer hr {
  border-top-width: 1px;
}

#backToTop {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 99; /* on top of other content */
  background-color: #0d6efd;
  color: white;
  border: none;
  outline: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 22px;
  display: none; /* hidden by default */
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  transition: background-color 0.3s ease;
}

#backToTop:hover {
  background-color: #0d6efd40;
}

#backToTop i {
  pointer-events: none; /* click passes through to button */
}