/**
 * UI Components Library
 * Iron & Smash Co. | Craft Smash Burgers & Truffle Fries
 */

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 800;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background-color: var(--color-primary);
  color: hsl(var(--iron-h), var(--iron-s), var(--iron-l));
  box-shadow: 0 4px 14px rgba(235, 160, 20, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 6px 20px rgba(235, 160, 20, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(235, 80, 20, 0.35);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(235, 80, 20, 0.5);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

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

.btn-whatsapp {
  background-color: #25D366;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background-color: #20BA56;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 1.15rem 2.4rem;
  font-size: var(--font-size-base);
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-gold {
  background-color: var(--color-primary-light);
  color: hsl(var(--iron-h), var(--iron-s), 20%);
  border: 1px solid var(--color-primary);
}

.badge-amber {
  background-color: var(--color-secondary-light);
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
}

.badge-red {
  background-color: hsl(var(--red-h), 85%, 93%);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.badge-dark {
  background-color: var(--color-text);
  color: var(--color-surface);
}

/* Tarjetas (Cards) */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg-secondary);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.card:hover .card-media img {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
}

.card-body {
  padding: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-lg);
  margin-bottom: 0.5rem;
}

.card-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
}

.card-footer {
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-surface-hover);
}

.card-price {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-secondary);
}

/* Infografía COD en 4 Pasos */
.cod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.cod-step-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg) var(--spacing-md);
  position: relative;
  text-align: center;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.cod-step-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-secondary);
}

.cod-step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background-color: var(--color-secondary);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.cod-step-icon {
  width: 56px;
  height: 56px;
  margin: 0.5rem auto 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
}

.cod-step-icon svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

/* Acordeón FAQ Accesible WCAG */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--color-secondary);
}

.faq-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.faq-trigger:hover {
  background-color: var(--color-surface-hover);
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
  fill: var(--color-secondary);
}

.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.faq-content[hidden] {
  display: none;
}

/* Modales Accesibles */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 24, 33, 0.75);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--color-surface);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  border-radius: var(--radius-md);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  border: 2px solid var(--color-border);
  transform: scale(0.95);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
}

.modal-overlay.is-active .modal-dialog {
  transform: scale(1);
}

.modal-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 10;
}

.modal-title {
  font-size: var(--font-size-xl);
  margin: 0;
  text-transform: uppercase;
}

.modal-close-btn {
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-text-muted);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

.modal-close-btn:hover {
  color: var(--color-text);
  background: var(--color-bg-secondary);
}

.modal-body {
  padding: 2rem;
  line-height: 1.7;
  font-size: var(--font-size-sm);
}

/* Aviso de Datos Demostrativos */
.demo-disclaimer {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--color-primary-subtle);
  border: 1px dashed var(--color-secondary);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-text);
  margin: 1.25rem 0;
}

.demo-disclaimer svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: var(--color-secondary);
}

/* Testimonios */
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.stars-row {
  display: flex;
  gap: 3px;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-text);
  color: var(--color-primary);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
}

.author-info h5 {
  font-size: var(--font-size-sm);
  margin-bottom: 0.1rem;
}

.author-info span {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

/* Botón flotante WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background-color: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 990;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.55);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle-btn:hover {
  background-color: var(--color-primary-subtle);
  transform: rotate(15deg);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}