/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--border-radius-medium);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease;
  z-index: 0;
}

.btn:hover::before {
  width: 250%;
  height: 250%;
}

.btn > * {
  position: relative;
  z-index: 1;
}

.btn--primary {
  background-color: var(--primary-color);
  color: var(--white);
}

.btn--primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.hero__cta-button {
  background-color: var(--primary-dark);
}

.hero__cta-button:hover {
  background-color: var(--primary-color);
}

.btn--outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: none;
}

.btn--outline:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

.btn--large {
  padding: 15px 35px;
  font-size: 1.1rem;
}

.btn--full {
  width: 100%;
}

/* Loading state for buttons */
.btn.loading {
  pointer-events: none;
  opacity: 0.8;
}

.btn.loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 10px;
}