/* Botões */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.9375rem;
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  max-width: 100%;
  touch-action: manipulation;
}

.button--lg {
  padding: 0.9rem 1.75rem;
  font-size: 1rem;
}

.button--primary {
  background: var(--color-brand-yellow);
  color: var(--color-on-brand-yellow);
}

.button--primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.button--secondary {
  background: transparent;
  color: var(--color-brand-deep);
  border: 1.5px solid var(--color-brand-deep);
}

.section-dark .button--secondary {
  color: var(--color-text-on-dark);
  border-color: var(--color-border-on-dark);
}

.button--secondary:hover {
  background: var(--color-brand-deep);
  color: var(--color-text-on-dark);
}

.section-dark .button--secondary:hover {
  background: var(--color-text-on-dark);
  color: var(--color-brand-dark);
}

.button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.site-nav__cta {
  margin-inline-start: var(--space-sm);
}

@media (max-width: 900px) {
  .site-nav__cta {
    margin-inline-start: 0;
  }
}

.cta-note {
  margin-block-start: var(--space-2xs);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.section-dark .card {
  background: rgba(247, 246, 241, 0.06);
  border-color: var(--color-border-on-dark);
}

.card h3 {
  margin-block-end: var(--space-2xs);
  font-size: 1.125rem;
}

@media (prefers-reduced-motion: reduce) {
  .card {
    opacity: 1;
    transform: none;
  }
}

/* FAQ */
.faq-list {
  display: grid;
  gap: var(--space-sm);
  max-width: 48rem;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--color-brand-dark);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: var(--space-xs);
  min-height: 44px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-brand-deep);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding-block-start: var(--space-2xs);
}

/* Formulário */
.contact-form {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-md);
  color: var(--color-text);
}

.form-field {
  display: grid;
  gap: var(--space-3xs);
}

.form-field label {
  font-weight: 600;
  font-size: 0.9375rem;
}

.form-field {
  min-width: 0;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-width: 0;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible {
  border-color: var(--color-focus-ring);
}

.form-field small {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

.form-field[data-invalid="true"] input,
.form-field[data-invalid="true"] select,
.form-field[data-invalid="true"] textarea {
  border-color: var(--color-error);
}

.form-error {
  color: var(--color-error);
  font-size: 0.8125rem;
  min-height: 1em;
}

.form-status {
  font-size: 0.9375rem;
  font-weight: 600;
  min-height: 1.25em;
}

.form-status[data-state="success"] {
  color: var(--color-success);
}

.form-status[data-state="error"],
.form-status[data-state="stub"] {
  color: var(--color-error);
}

.honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  left: -9999px;
}

/* Botão com estado de carregamento */
.button[data-loading="true"] {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.button[data-loading="true"]::after {
  content: "";
  position: absolute;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-color: rgba(0, 45, 43, 0.3);
  border-top-color: var(--color-brand-dark);
  animation: button-spin 0.7s linear infinite;
}

@keyframes button-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .button[data-loading="true"]::after {
    animation-duration: 1.4s;
  }
}

.social-link--pending {
  color: var(--color-text-on-dark-muted);
  opacity: 0.6;
  cursor: not-allowed;
  display: inline-block;
}