/* ========================================
   SKELETON LOADER STYLES - GRUPO MAS VIAJES
   ======================================== */

/* Animación shimmer para los skeletons */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* Clase base para elementos skeleton */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite linear;
  border-radius: 4px;
}

/* Ocultar contenido mientras se muestra skeleton */
.skeleton-active {
  opacity: 0;
  height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease;
}

/* Contenedor de skeleton */
.skeleton-container {
  transition: opacity 0.3s ease, height 0.3s ease;
  overflow: hidden;
}

.skeleton-container.hidden {
  opacity: 0 !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  display: none !important;
}

/* ========================================
   SKELETON: PAQUETE DESTACADO (index_promos.php)
   ======================================== */
.skeleton-promo-destacado {
  padding: 20px 0;
}

.skeleton-promo-destacado .skeleton-header {
  display: flex;
  align-items: center;
  margin-bottom: 50px;
}

.skeleton-promo-destacado .skeleton-logo {
  width: 120px;
  height: 120px;
  margin-right: 30px;
  border-radius: 8px;
}

.skeleton-promo-destacado .skeleton-title-destacado {
  width: 300px;
  height: 35px;
  border-radius: 6px;
}

.skeleton-promo-destacado .skeleton-content-row {
  display: flex;
  gap: 30px;
  margin-top: 50px;
}

.skeleton-promo-destacado .skeleton-image-col {
  flex: 1;
}

.skeleton-promo-destacado .skeleton-main-image {
  width: 100%;
  height: 400px;
  border-radius: 8px;
}

.skeleton-promo-destacado .skeleton-info-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.skeleton-promo-destacado .skeleton-title-large {
  width: 80%;
  height: 32px;
  border-radius: 6px;
}

.skeleton-promo-destacado .skeleton-subtitle {
  width: 60%;
  height: 24px;
  border-radius: 6px;
}

.skeleton-promo-destacado .skeleton-text-block {
  width: 100%;
  height: 15px;
  margin-bottom: 8px;
  border-radius: 4px;
}

.skeleton-promo-destacado .skeleton-text-block:last-of-type {
  width: 70%;
}

.skeleton-promo-destacado .skeleton-price {
  width: 200px;
  height: 40px;
  margin-top: 20px;
  border-radius: 6px;
}

.skeleton-promo-destacado .skeleton-button {
  width: 250px;
  height: 45px;
  margin-top: 20px;
  border-radius: 6px;
}

/* ========================================
   SKELETON: CARRUSEL (carrousel_slider.php)
   ======================================== */
.skeleton-carousel {
  padding: 60px 0;
  margin-bottom: 150px;
}

.skeleton-carousel .skeleton-slides-container {
  display: flex;
  gap: 30px;
  overflow: hidden;
}

.skeleton-carousel .skeleton-slide {
  flex: 0 0 calc(33.333% - 20px);
  min-width: 300px;
}

.skeleton-carousel .skeleton-card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.skeleton-carousel .skeleton-slide-image {
  width: 100%;
  height: 290px;
  border-radius: 3px 3px 0 0;
}

.skeleton-carousel .skeleton-slide-content {
  padding: 20px;
}

.skeleton-carousel .skeleton-slide-title {
  width: 90%;
  height: 50px;
  margin-bottom: 15px;
  border-radius: 6px;
}

.skeleton-carousel .skeleton-slide-text {
  width: 100%;
  height: 12px;
  margin-bottom: 8px;
  border-radius: 4px;
}

.skeleton-carousel .skeleton-slide-text:nth-child(3) {
  width: 85%;
}

.skeleton-carousel .skeleton-slide-text:nth-child(4) {
  width: 75%;
}

.skeleton-carousel .skeleton-slide-text:last-of-type {
  width: 60%;
}

.skeleton-carousel .skeleton-slide-button {
  width: 100%;
  height: 40px;
  margin-top: 20px;
  border-radius: 6px;
}

.skeleton-carousel .skeleton-pagination {
  width: 150px;
  height: 30px;
  margin: 30px auto 0;
  border-radius: 15px;
}

/* ========================================
   SKELETON: TARJETAS X3 (index_promos_X3.php)
   ======================================== */
.skeleton-promos-x3 {
  padding: 40px 0;
}

.skeleton-promos-x3 .skeleton-cards-row {
  display: flex;
  gap: 30px;
}

.skeleton-promos-x3 .skeleton-card-x3 {
  flex: 1;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.skeleton-promos-x3 .skeleton-card-title-box {
  padding: 15px;
  background: #f8f8f8;
}

.skeleton-promos-x3 .skeleton-card-title {
  width: 80%;
  height: 24px;
  margin: 0 auto;
  border-radius: 6px;
}

.skeleton-promos-x3 .skeleton-card-image {
  width: 100%;
  height: 125px;
}

.skeleton-promos-x3 .skeleton-card-body {
  padding: 20px;
}

.skeleton-promos-x3 .skeleton-card-dates {
  width: 70%;
  height: 18px;
  margin-bottom: 15px;
  border-radius: 4px;
}

.skeleton-promos-x3 .skeleton-card-text {
  width: 100%;
  height: 12px;
  margin-bottom: 8px;
  border-radius: 4px;
}

.skeleton-promos-x3 .skeleton-card-text:nth-child(3) {
  width: 90%;
}

.skeleton-promos-x3 .skeleton-card-text:last-of-type {
  width: 65%;
}

.skeleton-promos-x3 .skeleton-card-price {
  width: 120px;
  height: 30px;
  margin: 15px 0 15px auto;
  border-radius: 6px;
}

.skeleton-promos-x3 .skeleton-card-button {
  width: 100%;
  height: 38px;
  border-radius: 6px;
}

/* ========================================
   SKELETON: TARJETAS VISA (index_promos_visa.php)
   ======================================== */
.skeleton-promos-visa {
  padding: 50px 0;
}

.skeleton-promos-visa .skeleton-visa-row {
  display: flex;
  gap: 60px;
  padding: 0 30px;
}

.skeleton-promos-visa .skeleton-visa-card {
  flex: 1;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.skeleton-promos-visa .skeleton-visa-image {
  width: 100%;
  height: 200px;
}

.skeleton-promos-visa .skeleton-visa-content {
  padding: 20px;
}

.skeleton-promos-visa .skeleton-visa-title {
  width: 60%;
  height: 24px;
  margin-bottom: 15px;
  border-radius: 6px;
}

.skeleton-promos-visa .skeleton-visa-subtitle {
  width: 90%;
  height: 16px;
  margin-bottom: 15px;
  border-radius: 4px;
}

.skeleton-promos-visa .skeleton-visa-text {
  width: 100%;
  height: 12px;
  margin-bottom: 8px;
  border-radius: 4px;
}

.skeleton-promos-visa .skeleton-visa-text:last-of-type {
  width: 80%;
  margin-bottom: 20px;
}

.skeleton-promos-visa .skeleton-visa-button {
  width: 100%;
  height: 36px;
  border-radius: 6px;
}

/* ========================================
   RESPONSIVE: TABLETS
   ======================================== */
@media (max-width: 992px) {
  .skeleton-carousel .skeleton-slide {
    flex: 0 0 calc(50% - 15px);
  }
}

@media (max-width: 768px) {
  /* Paquete Destacado */
  .skeleton-promo-destacado .skeleton-header {
    flex-direction: column;
    text-align: center;
  }

  .skeleton-promo-destacado .skeleton-logo {
    margin-right: 0;
    margin-bottom: 20px;
  }

  .skeleton-promo-destacado .skeleton-content-row {
    flex-direction: column;
  }

  .skeleton-promo-destacado .skeleton-main-image {
    height: 300px;
  }

  /* Carrusel */
  .skeleton-carousel .skeleton-slide {
    flex: 0 0 calc(100% - 30px);
  }

  /* Tarjetas X3 */
  .skeleton-promos-x3 .skeleton-cards-row {
    flex-direction: column;
  }

  /* Tarjetas Visa */
  .skeleton-promos-visa .skeleton-visa-row {
    flex-direction: column;
    gap: 40px;
  }
}

/* ========================================
   RESPONSIVE: MÓVILES
   ======================================== */
@media (max-width: 480px) {
  .skeleton-promo-destacado .skeleton-logo {
    width: 80px;
    height: 80px;
  }

  .skeleton-promo-destacado .skeleton-title-destacado {
    width: 100%;
    height: 28px;
  }

  .skeleton-promo-destacado .skeleton-main-image {
    height: 250px;
  }

  .skeleton-carousel {
    margin-bottom: 80px;
  }

  .skeleton-carousel .skeleton-slide-image {
    height: 220px;
  }
}