/* P-006 · Buttons — docs/DESIGN_SYSTEM.md */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast);
}

@media (min-width: 1024px) {
  .btn {
    padding: 0.875rem 1.5rem;
  }
}

.btn:disabled,
.btn[aria-disabled="true"] {
  background-color: var(--color-btn-disabled-bg);
  color: var(--color-btn-disabled-fg);
  border-color: transparent;
  cursor: not-allowed;
  pointer-events: none;
}

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

.btn--primary:hover {
  background-color: var(--color-btn-primary-bg-hover);
  color: var(--color-btn-primary-fg);
}

.btn--secondary {
  background-color: var(--color-btn-secondary-bg);
  color: var(--color-btn-secondary-fg);
  border-color: var(--color-btn-secondary-border);
}

.btn--secondary:hover {
  background-color: var(--color-bg-tint);
}

.btn--whatsapp {
  background-color: var(--color-btn-whatsapp-bg);
  color: var(--color-btn-whatsapp-fg);
}

.btn--whatsapp:hover {
  background-color: var(--color-btn-whatsapp-hover);
  color: var(--color-btn-whatsapp-fg);
}

.btn--call {
  background-color: var(--color-btn-call-bg);
  color: var(--color-btn-call-fg);
}

.btn--call:hover {
  background-color: #000000;
  color: var(--color-btn-call-fg);
}

.btn--ghost {
  background: transparent;
  color: var(--color-btn-ghost-fg);
  padding-inline: 0;
  min-height: auto;
}

.btn--ghost:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

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

.btn__icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .cta-group {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .cta-group .btn {
    width: auto;
  }
}