/* ========================================
   RUBELLE MOTION - MIGRADO
   CSS Optimizado - Mobile First
   ======================================== */

/* === VARIABLES === */
:root {
  --primary-color: #2c3e50;
  --secondary-color: #34495e;
  --accent-color: #3498db;
  --text-color: #333;
  --text-light: #6c757d;
  --bg-color: #f8f9fa;
  --card-bg: #ffffff;
  --border-color: #e9ecef;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
}

/* === RESET === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

main {
  flex: 1;
}

/* === HEADER === */
.header {
  background-color: var(--card-bg);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

/* Renglón superior del header */
.header-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0 0.5rem 0;
  gap: 1rem;
}

/* Renglón de navegación */
.header-nav-row {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0 1rem 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  white-space: nowrap;
}

/* Navegación principal */
.main-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: center;
}

.nav-link {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: var(--transition);
  color: var(--text-color);
  text-decoration: none;
  font-size: 1rem;
  white-space: nowrap;
}

.nav-link:hover {
  background-color: var(--bg-color);
  color: var(--accent-color);
}

.nav-link.active {
  background-color: var(--accent-color);
  color: white;
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-btn {
  background: none;
  border: none;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
}

.lang-btn:hover,
.lang-btn.active {
  color: var(--accent-color);
}

.lang-separator {
  color: var(--border-color);
}

.social-icons {
  display: flex;
  gap: 0.75rem;
}

.social-icon img {
  width: 24px;
  height: 24px;
  transition: var(--transition);
}

.social-icon:hover img {
  transform: scale(1.1);
  opacity: 0.8;
}

/* === BREADCRUMB === */
.breadcrumb {
  background-color: var(--bg-color);
  padding: 0.75rem 0;
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--accent-color);
  transition: var(--transition);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  margin: 0 0.5rem;
  color: var(--text-light);
}

/* === FILTROS === */
.filters-section {
  background-color: white;
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 73px;
  z-index: 999;
}

.filters-bar {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-color);
  white-space: nowrap;
}

.filter-select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: white;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-select:hover,
.filter-select:focus {
  border-color: var(--accent-color);
  outline: none;
}

.search-group {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-input {
  width: 100%;
  padding: 0.5rem 2.5rem 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--accent-color);
  outline: none;
}

.search-icon {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.results-info {
  margin-left: auto;
  font-size: 0.875rem;
  color: var(--text-light);
  white-space: nowrap;
}

/* === MAIN CONTENT === */
.main-content {
  padding: 2rem 0;
}

/* === CATALOG GRID === */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

/* === PRODUCT CARD BASE === */
.product-card {
	border-radius: var(--radius-lg);
	overflow: hidden;
	box-shadow: var(--shadow-sm);
	transition: var(--transition);
	display: flex;
	flex-direction: column;
}

.product-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
}

/* Variante clara (look actual) */
.product-card--clear {
	background-color: var(--card-bg);
}

/* Variante obscura */
.product-card--dark {
	background: radial-gradient(circle at top, #4b5563 0, #111827 45%, #020617 100%);
	color: #f9fafb;
}

.product-card--dark .card-content {
	background: linear-gradient(to top, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.9));
}

.product-card--dark .card-title {
	color: #f9fafb;
}

.product-card--dark .card-description {
	color: #e5e7eb;
}

.product-card--dark .card-footer {
	border-top: 1px solid rgba(148, 163, 184, 0.4);
	margin-top: 0.75rem;
	padding-top: 0.75rem;
}

.card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative; /* Para que .card-tag se posicione respecto a toda la tarjeta */
}

/* Tag superior (STL / FÍSICO) siempre visible sobre la imagen */
.card-tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background-color: rgba(52, 152, 219, 0.95);
  color: #ffffff;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 10;
  opacity: 1 !important;      /* Forzar visibilidad por si hay estilos viejos en caché */
  display: inline-block !important;
}

.card-image {
  position: relative;
  width: 100%;
  height: 240px;
  background-color: var(--bg-color);
  overflow: hidden;
}

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

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

.image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg, var(--bg-color) 0%, #e0e0e0 100%);
}

.card-content {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0;
  line-height: 1.3;
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.card-description {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 0;
  flex: 1;
}

.card-description-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.difficulty-pill {
  font-size: 0.875rem;
  color: var(--text-light);
  padding: 0.125rem 0.5rem;
}

	/* Footer de la tarjeta: dos columnas (STL / Físico) */
	.card-footer {
		display: flex;
		align-items: center;
	}

	/* Fila para el botón de YouTube debajo de la imagen */
	.card-youtube-row {
		display: flex;
		justify-content: flex-end;
		padding: 0.5rem 0.75rem 0;
	}

		.card-youtube {
			display: inline-flex;
			align-items: center;
			justify-content: center;
		}

		.card-youtube img {
			width: 20px;
			height: 20px;
		}

	.card-footer-main {
		display: flex;
		flex: 1;
		gap: 0.75rem;
	}

		.card-footer-col {
			flex: 1;
			display: flex;
			align-items: stretch;
		}
	
		.card-footer-col--fisico {
			justify-content: flex-end;
		}

		.card-footer-btn {
			flex: 1;
			display: flex;
			align-items: center;
			justify-content: center;
			padding: 0.5rem 0.75rem;
			border-radius: var(--radius-sm);
			font-size: 0.75rem;
			font-weight: 600;
			text-align: center;
			white-space: nowrap;
		}
	
		.card-footer-btn--available {
			background-color:  #f4fcf2;
      border: 1px solid #b2e9a3;
			color: #3f7032;
		}
	
		.card-footer-btn--unavailable {
			background-color: rgb(253, 241, 242);
      border: rgb(156, 66, 72);
			color: var(--danger-color);
		}

/* === PAGINACIÓN === */
.pagination {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  padding: 2rem 0;
}

.pagination-info {
  font-size: 0.875rem;
  color: var(--text-light);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.pagination-btn {
  padding: 0.5rem 1rem;
  background-color: var(--accent-color);
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
}

.pagination-btn:hover {
  background-color: #2980b9;
  transform: translateY(-2px);
}

.pagination-numbers {
  display: flex;
  gap: 0.25rem;
}

.pagination-number {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
  min-width: 40px;
  text-align: center;
}

.pagination-number:hover {
  background-color: var(--bg-color);
  border-color: var(--accent-color);
}

.pagination-number.active {
  background-color: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

.pagination-ellipsis {
  padding: 0.5rem 0.25rem;
  color: var(--text-light);
}

/* === PÁGINA DE PRODUCTO === */
.product-page {
  padding: 2rem 0;
}

.product-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.product-gallery {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.main-image-container {
	  width: 100%;
	  aspect-ratio: 1;
	  background-color: var(--bg-color);
	  border-radius: var(--radius-lg);
	  overflow: hidden;
	  display: flex;
	  gap: 0.75rem;
}

.main-product-image {
	  flex: 1 1 auto;
	  width: 100%;
	  height: 100%;
	  object-fit: cover;
}

.thumbnail-gallery-horizontal {
	  display: flex;
	  flex-direction: column;
	  gap: 0.5rem;
	  flex: 0 0 10%;
	  max-width: 100px;
	  overflow-y: auto;
	  padding: 0.5rem 0;
}

.thumbnail-item {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.thumbnail-item:hover {
  border-color: var(--accent-color);
}

.thumbnail-item.active {
  border-color: var(--accent-color);
}

.thumbnail-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.2;
}

.product-description-row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem;
	margin: 1rem 0;
}

.difficulty-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--bg-color);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
}

.stars {
  display: flex;
  gap: 0.125rem;
}

.star {
  color: #ffc107;
  font-size: 1rem;
}

.star.filled {
  color: #ffc107;
}

.product-description {
  font-size: 1rem;
  color: var(--text-color);
	line-height: 1.8;
	margin: 0;
	flex: 1;
}

.product-youtube-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
}

.product-youtube-icon img {
	width: 24px;
	height: 24px;
}

.product-divider {
  height: 1px;
  background-color: var(--border-color);
}

.download-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.download-section h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

	.download-header {
	  display: flex;
	  align-items: center;
	  justify-content: space-between;
	  gap: 1rem;
	}

.price-display {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.price-large {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-color);
}

.price-free-large {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--success-color);
  background-color: rgba(40, 167, 69, 0.1);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
}

.download-buttons {
  display: flex;
	gap: 1rem;
	flex-wrap: wrap;
	width: 100%;
}

.download-btn {
	display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
  color: white;
}

.download-buttons .download-btn {
	flex: 1;
	display: flex;
	justify-content: center;
}

.download-btn img {
  width: 24px;
  height: 24px;
}

.btn-patreon {
  background-color: #f96854;
}

.btn-patreon:hover {
  background-color: #e85b47;
  transform: translateY(-2px);
}

.btn-cults {
  background-color: #5865f2;
}

.btn-cults:hover {
  background-color: #4752c4;
  transform: translateY(-2px);
}

.btn-buy {
  background-color: var(--success-color);
}

.btn-buy:hover {
  background-color: #218838;
  transform: translateY(-2px);
}

.sold-out-message {
  padding: 1rem;
  background-color: rgba(220, 53, 69, 0.1);
  border-left: 4px solid var(--danger-color);
  border-radius: var(--radius-sm);
  font-weight: 700;
  color: var(--danger-color);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--bg-color);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
  color: var(--text-color);
  margin-top: 1rem;
}

.btn-back:hover {
  background-color: var(--border-color);
}

/* === PÁGINAS DE CONTENIDO === */
.page-content {
  padding: 3rem 0;
}

.content-article {
  max-width: 800px;
  margin: 0 auto;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 2rem;
  text-align: center;
}

.page-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-color);
}

.page-text p {
  margin-bottom: 1.5rem;
}

.page-text ul {
  margin: 1rem 0 1.5rem 2rem;
  list-style-type: disc;
}

.page-text ul li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.page-text h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 2.5rem 0 1.5rem 0;
}

.courses-section {
  margin-top: 2rem;
  padding: 2rem;
  background-color: var(--bg-color);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--accent-color);
}

.email-section {
  margin: 2rem 0;
}

.email-link {
  display: inline-block;
  text-align: center;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.25rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--bg-color);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.email-link:hover {
  background-color: var(--accent-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.social-links-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.social-links-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  text-align: center;
}

.social-icons-large {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.social-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem;
  background-color: var(--card-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-align: center;
}

.social-link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.social-link img {
  width: 48px;
  height: 48px;
}

.social-link span {
  font-weight: 600;
  color: var(--text-color);
}

/* === FOOTER === */
.footer {
  background-color: var(--primary-color);
  color: white;
  padding: 2rem 0;
  margin-top: auto;
}

.copyright {
  text-align: center;
  font-size: 0.875rem;
  opacity: 0.9;
}

/* === EMPTY STATE === */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.empty-state h2 {
  color: var(--text-light);
  font-size: 1.5rem;
}

/* === RESPONSIVE === */

/* Tablet */
@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }

  .header-content {
    flex-wrap: nowrap;
  }

  .main-nav {
    gap: 1rem;
  }

  .catalog-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.75rem;
  }

  .filters-bar {
    flex-wrap: nowrap;
  }

  .product-layout {
    grid-template-columns: 1fr 1fr;
  }

  .page-title {
    font-size: 3rem;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .catalog-grid {
    /* En escritorio permitimos hasta 4 tarjetas por fila cuando el ancho lo permite */
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }

  .product-layout {
    grid-template-columns: 1.2fr 1fr;
  }

  .thumbnail-item {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
  }

  .social-icons-large {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

/* Mobile adjustments */
@media (max-width: 767px) {
  .header-top-row {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
  }

  .logo-container {
    justify-content: center;
  }

  .main-nav {
    gap: 0.75rem;
    flex-wrap: wrap;
  }

  .nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
  }

  .header-actions {
    flex-wrap: wrap;
    justify-content: center;
  }

  .social-icons {
    flex-wrap: wrap;
    justify-content: center;
  }

  .filters-section {
    top: 105px;
  }

  .social-icons {
    gap: 0.5rem;
  }

  .social-icon img {
    width: 20px;
    height: 20px;
  }

  .product-title {
    font-size: 1.5rem;
  }

  .page-title {
    font-size: 2rem;
  }

  .page-text {
    font-size: 1rem;
  }
}

/* Print styles */
@media print {
  .header,
  .filters-section,
  .pagination,
  .footer,
  .btn-back {
    display: none;
  }

  .product-page,
  .page-content {
    padding: 0;
  }
}