/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--accent-orange);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
  z-index: 1000;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-blue);
  transform: translateY(-5px);
}

/* Cards */
.service-card {
  border: none;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  height: 100%;
  background: white;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* Buttons */
.btn-primary {
  background-color: var(--accent-orange);
  border-color: var(--accent-orange);
  font-weight: 500;
  padding: 0.7rem 1.3rem;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: #c0392b;
  border-color: #c0392b;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(230, 126, 34, 0.4);
}