/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  color: var(--color-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
  background-color: rgba(13, 143, 133, 0.1);
  transform: translateY(-2px);
}

/* Filter Buttons */
.filter-container {
  padding: var(--spacing-4) 0;
  background-color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-2);
}

.filter-btn {
  padding: 10px 24px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 2px;
  cursor: pointer;
  background-color: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-in-out;
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-5px);
  color: var(--color-white);
}

/* Company Section Transitions */
.company-section {
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}