/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: 0.5px;
  padding: var(--space-3) var(--space-7, 2rem);
  border-radius: var(--radius-full);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
}

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

.btn-bg {
  position: absolute;
  inset: 0;
  transition: transform var(--transition-slow);
}

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

.btn-primary .btn-bg {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.btn-primary:hover .btn-bg {
  transform: scaleX(1);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(27, 67, 50, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-secondary .btn-bg {
  background: var(--color-white);
  transform: scaleX(0);
  transform-origin: left;
}

.btn-secondary:hover {
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-secondary:hover .btn-bg {
  transform: scaleX(1);
}

.btn-sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

.btn-full {
  width: 100%;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: #25D366;
  color: var(--color-white);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-lg);
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* Magnetic button effect */
.btn-magnetic {
  transition: transform 200ms ease;
}