/**
 * Componentes — botones, cards de producto, encabezados de sección
 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--duration-normal), color var(--duration-normal), transform var(--duration-fast), box-shadow var(--duration-normal);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: 2px solid transparent;
  box-shadow: 0 2px 8px rgba(60, 154, 119, 0.35);
  padding: var(--space-3) var(--space-8);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  box-shadow: 0 4px 16px rgba(60, 154, 119, 0.45);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 2px 8px rgba(60, 154, 119, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border-strong);
}

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

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* Cards producto — jerarquía clara: título > características > CTA */
.card-product {
  background: var(--color-bg-elevated);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: border-color var(--duration-normal), box-shadow var(--duration-normal), transform var(--duration-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.card-product:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-product__media {
  aspect-ratio: 4/3;
  background: var(--color-bg-elevated);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-product__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--duration-normal);
}

.card-product:hover .card-product__media img {
  transform: scale(1.02);
}

.card-product__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.card-product__body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 88%;
  height: 1px;
  background: var(--color-border);
}

/* Nivel 1: título (máximo peso visual) */
.card-product__title {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  margin-bottom: var(--space-5);
  line-height: var(--leading-snug);
  text-align: center;
}

.card-product__title a {
  color: inherit;
}

.card-product__title a:hover {
  color: var(--color-primary);
}

/* Nivel 2: características (ordenadas en grid, etiqueta + valor) */
.card-product__specs {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4) var(--space-5);
  margin-bottom: var(--space-6);
}

.card-product__spec {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-width: 0;
}

.card-product__spec i {
  flex-shrink: 0;
  width: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-top: 0.125rem;
}

.card-product__spec-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.card-product__spec-label {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  line-height: var(--leading-snug);
}

.card-product__spec-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: var(--leading-snug);
}

.card-product__spec img {
  width: 1.125rem;
  flex-shrink: 0;
  text-align: center;
}

/* Nivel 3: CTA — solo en cards: outline por defecto, relleno en hover */
.card-product__cta {
  margin-top: auto;
  padding-top: var(--space-2);
  width: 100%;
  justify-content: center;
  font-weight: 600;
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: none;
}

.card-product__cta:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(60, 154, 119, 0.35);
  transform: translateY(-1px);
}

.card-product__cta:hover i {
  color: #fff;
}

.card-product__cta i.fa-arrow-right {
  margin-left: var(--space-2);
  color: inherit;
}

/* Section headings — línea gráfica unificada (centrado, jerarquía clara) */
.section-head {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-head__label {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.section-head__title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 800;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

.section-head__desc {
  margin-inline: auto;
  max-width: none;
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

/* FAQ / acordeón */
.faq {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq__section-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.faq-item {
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  overflow: hidden;
}

.faq-item__button {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: var(--color-text);
}

.faq-item__button:hover {
  background: var(--color-bg-subtle);
}

.faq-item__button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.faq-item__question {
  font-weight: 600;
}

.faq-item__icon {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  position: relative;
  flex-shrink: 0;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: "";
  position: absolute;
  inset: 50%;
  width: 9px;
  height: 1.5px;
  background: var(--color-text-muted);
  transform: translate(-50%, -50%);
  transition: transform var(--duration-normal), opacity var(--duration-normal);
}

.faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item.is-open .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

.faq-item__panel {
  padding: 0 var(--space-5) var(--space-4);
  color: var(--color-text-muted);
}

.faq-item__panel p {
  margin-top: var(--space-3);
}