/* Estilo global */
body {
  font-family: Arial, sans-serif;
  font-size: 1.1rem;
  background: #f8f9fa;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: auto;
}

h2 {
  font-size: 28px;
  margin-bottom: 20px;
}

h3 {
  color: #111313;
}

.category {
  margin-bottom: 40px;
}

.category h3 {
  border-bottom: 2px solid #ccc;
  padding-bottom: 8px;
  margin-bottom: 16px;
}

/* Tarjetas */
.card-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 50px;
  justify-content: center;
  margin: auto;
}

.card {
  width: 300px;
  height: 420px;
  perspective: 1000px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.frente-tarjeta {
  width: 100%;
  height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
  position: relative;
}

.card.flipped .frente-tarjeta {
  transform: rotateY(180deg);
}

/* Parte frontal y trasera */
.trasera-tarjeta,
.detras-tarjeta {
  position: absolute;
  width: 100%;
  height: 100%;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Imagen con etiquetas */
.imagen-con-etiquetas {
  position: relative;
  width: 100%;
  height: 150px;
  overflow: hidden;
}

.imagen-con-etiquetas img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.etiqueta {
  position: absolute;
  padding: 5px 10px;
  font-size: 0.75em;
  font-weight: bold;
  border-radius: 999px;
  color: white;
  background-color: black;
  text-transform: uppercase;
  z-index: 2;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.etiqueta.level {
  top: 10px;
  left: 10px;
}

.etiqueta.duration {
  top: 10px;
  right: 10px;
}

/* Contenido frontal */
.trasera-tarjeta {
  padding: 15px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.trasera-tarjeta .title {
  font-weight: bold;
  font-size: 1.2em;
  margin: 15px 0 8px;
  text-align: center;
}

.trasera-tarjeta .description {
  font-size: 1.0em;
  flex-grow: 1;
  margin-top: 10px;
  margin-bottom: 20px;
  text-align: justify;
  color: #444;
}

/* Botones */
.card-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 10px;
}

button {
  border: none;
  background: #007bff;
  color: white;
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9em;
  transition: background 0.2s ease;
}

button:hover {
  background: #0056b3;
}

/* Parte trasera girada */
.detras-tarjeta {
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 15px;
}

.detras-tarjeta-content {
  overflow-y: auto;
  flex-grow: 1;
  padding-right: 6px;
  margin-bottom: 10px;
}

.detras-tarjeta-content::-webkit-scrollbar {
  width: 6px;
}

.detras-tarjeta-content::-webkit-scrollbar-thumb {
  background: #007bff;
  border-radius: 10px;
}

.detras-tarjeta .close-btn {
  margin-top: 10px;
  align-self: center;
  background: #007bff;
  color: white;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.0em;
}

/* === RESPONSIVE === */

/* Tablet */
@media (max-width: 992px) {
  .card-grid {
    gap: 30px;
    justify-content: center;
  }

  .card {
    width: 280px;
    height: 400px;
  }

  .trasera-tarjeta .title {
    font-size: 1.1em;
  }
}

/* Móvil */
@media (max-width: 600px) {
  body {
    padding: 10px;
    font-size: 1rem;
  }

  h2 {
    font-size: 22px;
  }

  .container {
    padding: 0 10px;
  }

  .card-grid {
    flex-direction: column;
    align-items: center;
    gap: 30px;
  }

  .card {
    width: 90%;
    max-width: 320px;
    height: 420px;
    margin: 0 auto;
  }

  .trasera-tarjeta .description {
    font-size: 0.9em;
  }

  .card-buttons {
    flex-direction: column;
    gap: 8px;
  }

  button {
    width: 100%;
    font-size: 1em;
  }

  .etiqueta {
    font-size: 0.7em;
    padding: 4px 8px;
  }
}