/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  min-height: 44px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: normal;
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-foreground);
  box-shadow: var(--shadow-sm);
}

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

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

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

.btn-on-dark {
  background: var(--color-accent);
  color: var(--color-sidebar);
}

.btn-on-dark:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-ghost-on-dark {
  background: transparent;
  color: var(--color-sidebar-foreground);
  border: 1px solid var(--color-sidebar-border);
}

/* Badge (ex: "30 dias grátis") */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-2xl);
  background: var(--color-accent);
  color: var(--color-accent-foreground);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Card genérico */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

/* Stat card (seção de dados) */
.stat-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.75rem 1.5rem;
  text-align: left;
}

.stat-card__number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-card__label {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.stat-card__source {
  font-size: 0.85rem;
  color: var(--color-muted-foreground);
}

.stat-card__source cite {
  font-style: normal;
  font-weight: 600;
}

/* Accordion FAQ (details/summary nativos) */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0.25rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

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

.faq-item p {
  padding: 0 0.25rem 1.25rem;
  color: var(--color-muted-foreground);
  max-width: none;
}

/* Nav / header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-background) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.brand img {
  height: 32px;
  width: auto;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-actions__login,
.nav-actions__cta {
  display: none;
}

@media (min-width: 860px) {
  .nav-actions__login,
  .nav-actions__cta {
    display: inline-flex;
  }
}

.nav-links {
  display: none;
}

.menu-toggle {
  display: inline-flex;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.menu-toggle svg { width: 24px; height: 24px; }

@media (min-width: 860px) {
  .menu-toggle { display: none; }
  .nav-links {
    display: flex;
    gap: 1.75rem;
    align-items: center;
    font-weight: 500;
    color: var(--color-muted-foreground);
  }
  .nav-links a:hover { color: var(--color-foreground); }
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem 1.5rem;
  border-top: 1px solid var(--color-border);
}

.mobile-menu.is-open { display: flex; }

.mobile-menu a {
  padding: 0.75rem 0.25rem;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu__cta {
  margin-top: 0.75rem;
  padding: 0.85rem 1.5rem;
  border-bottom: none;
  text-align: center;
}

@media (min-width: 860px) {
  .mobile-menu { display: none !important; }
}

/* Ícones inline */
.icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.icon-wrapper {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(59,130,246,.1);
  color: #2563eb;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Botão flutuante de WhatsApp */
.whatsapp-fab {
  position: fixed !important;
  right: 1.25rem !important;
  bottom: 1.25rem !important;
  z-index: 9999 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 56px !important;
  height: 56px !important;
  border-radius: 50% !important;
  background: #25D366 !important;
  color: #fff !important;
  box-shadow: 0 6px 20px oklch(0.223 0.015 66.95 / 0.25) !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease !important;
  text-decoration: none !important;
  border: none !important;
  cursor: pointer !important;
}

.whatsapp-fab:hover {
  transform: translateY(-2px) scale(1.04) !important;
  box-shadow: 0 10px 28px oklch(0.223 0.015 66.95 / 0.32) !important;
}

.whatsapp-fab svg { width: 30px; height: 30px; }

@media (prefers-reduced-motion: reduce) {
  .whatsapp-fab { transition: none; }
  .whatsapp-fab:hover { transform: none; }
}