/* Asegura que todo use box-sizing adecuado */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body.page-template-page-clases {
  background-color: #001f2f;
  color: white;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.contenedor-clases {
  position: relative;
  z-index: 1;
  width: 100vw; /* usa ancho total de viewport */
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: 3em 1.5em;
  text-align: center;
  background-color: #001f2f00; /* si quieres que el fondo llegue a los laterales */
    min-height: 71vh; /* Asegura altura mínima del 71% del viewport */
  padding-bottom: 4rem; /* Espacio extra al fondo */
  margin-bottom: 3.5rem;
}


.contenedor-clases h1 {
  font-size: 2.5em;
  margin-bottom: 0.3em;
  color: white;
	text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6);
	font-family: 'Montserrat', sans-serif;
  font-weight: bold;
}

.grid-clases {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 4 columnas */
  gap: 24px;
  width: 100%;
}

.tarjeta-clase {
  position: relative;
  border-radius: 16px;
  height: 390px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.tarjeta-clase:hover {
  transform: translateY(-4px);
  filter: brightness(1.1);
}

.tarjeta-clase::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 1;
}

.tarjeta-clase a {
  z-index: 2;
  color: white;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.3em;
}

/* Fondos por clase, pon aquí tus imágenes */
.tarjeta-clase.hexacorallia {
  background-image: url('https://www.coralcheck.com/guia-de-especies/wp-content/uploads/2025/06/P8180156-scaled.jpg');
}

.tarjeta-clase.hydrozoa {
  background-image: url('https://www.coralcheck.com/guia-de-especies/wp-content/uploads/2025/06/Macrorhynchiaphilippina_MarcMartA­n2-scaled.jpg');
}

.tarjeta-clase.octocorallia {
  background-image: url('https://www.coralcheck.com/guia-de-especies/wp-content/uploads/2025/06/P5310297-scaled.jpg');
}

.tarjeta-clase.scyphozoa {
  background-image: url('https://www.coralcheck.com/guia-de-especies/wp-content/uploads/2025/06/P9140248-scaled.jpg');
}

.tarjeta-clase.zonasrocosas {
  background-image: url('ruta/a/zonasrocosas.jpg');
}

/* Responsive para evitar desbordamientos */
@media (max-width: 1200px) {
  .grid-clases {
    grid-template-columns: repeat(2, 1fr); /* 2 columnas para tablet y pantallas medianas */
  }
}

@media (max-width: 768px) {
  .grid-clases {
    grid-template-columns: 1fr; /* 1 columna para móviles */
  }
}