/* Estilos específicos da página pública "Compre Aqui" (PHP).
   Usa as variáveis e utilitários (.container, .btn, .card...) de theme.css. */

.ca-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.ca-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-xs);
  flex-wrap: wrap;
}

.ca-header__brand img {
  height: 44px;
  width: auto;
}

.ca-header__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.ca-header__nav a {
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-md);
  color: var(--color-text);
}

.ca-header__nav a:hover,
.ca-header__nav a.active {
  color: var(--color-primary);
}

.ca-hero {
  background: var(--gradient-dark);
  color: #fff;
  padding-block: var(--space-2xl) var(--space-xl);
  text-align: center;
}

.ca-hero h1 {
  color: #fff;
  margin-block: var(--space-sm);
}

.ca-hero p {
  color: var(--color-text-inverse-muted);
  max-width: 60ch;
  margin-inline: auto;
}

.ca-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  padding-block: var(--space-2xl);
}

.ca-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ca-card__photo {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.ca-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ca-card__body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.ca-card__category {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3xs);
}

.ca-card__title {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2xs);
}

.ca-card__desc {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  flex: 1;
  margin-bottom: var(--space-sm);
  white-space: pre-line;
}

.ca-card__price {
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-sm);
}

.ca-empty {
  text-align: center;
  padding: var(--space-3xl) var(--space-md);
  color: var(--color-text-muted);
}

.ca-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse-muted);
  padding-block: var(--space-xl);
  text-align: center;
  font-size: var(--fs-sm);
}

.ca-footer a:hover {
  color: #fff;
}

.ca-whatsapp-fab {
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 200;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.45);
  font-size: 1.6rem;
}

@media (max-width: 860px) {
  .ca-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .ca-grid {
    grid-template-columns: 1fr;
  }
}