.especialidadesEstudios {
    text-align: center;
    width: 100%;
    padding: 0px;
    margin: 0px;
    /* background-color: #f9f9f9; */
    display: flex;
    align-content: center;
    justify-content: center;
    align-items: stretch;
    /* height: auto; */
    margin-top: 30px;
    position: relative;
    margin: 0 !important;
    padding: 0 !important;
}

.especialidadesEstudiosTitulo {
    text-align: center;
    width: 100%;
    padding: 0px;
    margin: 0px;
    /* background-color: #f9f9f9; */
    align-content: center;
    justify-content: center;
    align-items: flex-start;
    height: auto;
    margin-top: 30px;
    margin-bottom: 0px;
    position: relative;
    
}


/* .especialidadesEstudiosTitulo h2{
    color: #333;
    border: 1px;
    font-weight: 500;
    font-size: 40px;
    text-align: center;
    letter-spacing: 0.03em;
    font-family: 'Barlow Condensed', Arial, sans-serif;
}

.especialidadesEstudiosTitulo h3{
    color: #333;
    border: 1px;
    font-weight: 400;
    font-size: 25px;
    text-align: center;
    letter-spacing: 0.03em;
    font-family: 'Barlow Condensed', Arial, sans-serif;
} */





.contenidoEspecialidades {
  width: 80%;
  margin: 0 auto;
  /* padding: 2rem 1rem; */
  box-sizing: border-box;
}

.seccion {
  margin: 0.4rem 1.2rem;
  padding: 0px 1rem;
  margin-bottom: 0px;
  width: 95%;
  margin-left: 5px;
}

#catarata{
  margin-top: 1.5rem;
  padding-top: 1rem;
}

.seccion h4 {
  font-size: 2.2rem;
  color: #005691;
  font-family: 'Poppins', serif;
  margin-bottom: 1.5rem;
  /* border-left: 4px solid #005691; */
  /* font-weight: 600; */
  margin-top: 0;
}

.especialidadesGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1920px));
  gap: 1rem;
}

/* Tarjeta */
.card {
  background: #fff;
  box-shadow: 0px 4px 16px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column; 
  justify-content: space-between;
  height: 400px;
  width: 100%;
  position: relative;
}

/* Imagen + overlay */
.imagenHover {
  overflow: hidden;
  position: absolute;
  z-index: 0;
  height: 400px;
  width: 100%;
}


.imagenHover::after {
  content: "";
  inset: 0;
  position: absolute;
  background: linear-gradient(to bottom, rgba(192, 192, 192, 0) 0%, rgba(0, 0, 0, 0.808) 100%);
  pointer-events: none;
  z-index: 1;
}

.imagenHover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  z-index: 0;
  transition: transform 0.4s ease;
}

.imagenHover:hover {
  cursor: pointer;
}

.imagenHover:hover img {
  transform: scale(1.1);
}

.card:hover h5 {
  opacity: 0;
}

.card:hover p {
  opacity: 0;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 87, 145, 0.507);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  transition: opacity 0.3s ease;
  z-index: 90;
}

.imagenHover:hover .overlay {
  opacity: 1;
}


/* Contenido de la tarjeta */
.card h5 {
  font-size: 1.4rem;
  margin: 1rem 1rem 1rem 1rem;
  color: #ffffff;
  font-weight: 600;
  font-family: "Poppins", sans-serif;
  z-index: 2;
  transition: opacity 0.4s ease;
  pointer-events: none;
  margin-top: 250px;
}

.card p {
  font-size: 1rem;
  color: #ffffff;
  line-height: 1.6;
  font-family: Arial, Helvetica, sans-serif;
  z-index: 2;
  transition: opacity 0.3s ease;
  pointer-events: none;
  text-align: center;
  margin: 0 2px;
  margin-bottom: 40px;
}

@media (max-width: 700px) {
  

  .card p {
    font-size: 0.9rem;
    margin-bottom: 30px;
  }
}

@media (max-width: 650px) {
  .card h5 {
    font-size: 1.1rem;
  }

  .card p {
    font-size: 0.8rem;
    margin-bottom: 30px;
  }
}

@media (max-width: 480px) {
  .card h5 {
    font-size: 1rem;
    margin-top: 220px;
  }

  .card p {
    font-size: 0.7rem;
  }
}

@media (max-width: 334px) {


  .card p {
    font-size: 0.6rem;
  }
}
/* Botón Ver más */
.cardFooter {
  margin: 0;
  display: flex;
  justify-content: flex-end;
}

.btnVerMas {
  padding: 0.5rem 1.2rem;
  background-color: #005691;
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background-color 0.3s ease;
    font-family: "Poppins", sans-serif;

}

.btnVerMas:hover {
  background-color: #007ac1;
}


.especialidadesLayout {
    position: relative;
    /* height: 100%; */
    align-items: flex-start;
    display: flex;
    flex-direction: column;
    gap: 0px;
    flex: 1;
    text-align: center;
    width: 30%;
    top: -45px;
    margin-left: 40px;
    margin-top: 20px;
    /* height: auto; */
        
}

.especialidadesLayout h3 {
  width: 100%;
  margin: 75px auto;
  font-size: 2rem;
  font-family: 'Poppins', serif;
  color: #333;
  margin-bottom: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  text-align: center;
}

.barraEspecialidades {
  position: sticky;
  display: block;
  top: 50px;
  margin: 0 auto;
  width: 250px;
  background-color: white;
  border: 2px solid #ddd;
  padding: 20px;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
  font-family: 'Roboto', sans-serif;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 10;
  max-height: calc(100vh - 120px); /* límite de altura visible */
  overflow-y: auto;                /* activa el scroll vertical si se necesita */
  scrollbar-width: thin;           /* más estético en Firefox */
  scrollbar-color: #ccc transparent;

}

.barraEspecialidades::-webkit-scrollbar {
    width: 8px;
}

.barraEspecialidades::-webkit-scrollbar-track {
    background: transparent;
}

.barraEspecialidades::-webkit-scrollbar-thumb {
    background-color: #ccc;
}

.barraEspecialidades ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
  border-radius: 0px;

 
}

.barraEspecialidades li {
  margin-bottom: 3px;
  padding: 5px;
  transition: background 0.2s ease;
  background-color: #f5faff;
}

.barraEspecialidades a {
    display: flex;
    justify-content: start;
    gap: 8px;
    text-decoration: none;
    margin-left: 14%;
    font-family: 'Poppins', sans-serif;
    color: #333;
    font-weight: 500;
    /* font-family: 'Barlow Condensed', Arial, sans-serif; */
    
}

.barraEspecialidades li:hover {
    background-color: #e8f4fc;


}

.barraEspecialidades a img {
  width: 24px;
  height: 24px;
}


@media (max-width: 1100px){

    .btnVolver {
      margin-top: 60px;
    }

    .especialidadesEstudios {
        display: block;
        margin: 0px;
        align-items: flex-start;
    }

     .especialidadesLayout h3 {
        width: 100%;
        margin-top: 60px;
    }

    #btnAbrirEspecialidades {
        display: block;
        position: relative;
        width: 44px;
        height: 44px;
        cursor: pointer;
        text-align: center;   
        margin-bottom: 0 auto 8px auto;
    }
    
    .especialidadesLayout {
        max-width: 100%;
        /* height: auto; */
        width: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        position: relative;
        margin: 0px;
        /* justify-content: center; */
    }

    .seccion {
      margin: 0px auto;
      width: 85%;
      align-items: center;
      /* width: 100%; */
    }

    .contenidoEspecialidades {
      width: 100%;
      margin: 0 auto;
      padding-top: 0px;
    }
    
    .barraEspecialidades {
      position: static;
      justify-content: center;
      display: none;
      width: 0;          
      height: 0;           
      background: transparent;
      z-index: -1;         
    }

    .barraEspecialidades ul {
        list-style: none;
        padding: 0;
        margin: 0;
        justify-content: center;
    }

    .barraEspecialidades li {
        margin-bottom: 3px;
        background-color: #f5faff;
        /* border: 1px solid #d3e8f4; */
        padding: 10px;
        transition: background 0.2s ease;
        justify-content: center;
    }

    .barraEspecialidades li:hover {
        background-color: #e8f4fc;
    }

    .barraEspecialidades a {
        display: flex;
        justify-content: start;
        margin-left: 30%;
        gap: 8px;
        text-decoration: none;
        color: #333;
        font-weight: 500;
    }



    .barraEspecialidades a img {
        width: 24px;
        height: 24px;
    }
    
    .tituloSeccion{
        margin-top: 30px;
    }

    .barraEspecialidades.active {
        /* position: relative; */
        display: block;
        /* top: 100px; */
        /* width: 200px; */
        max-height: 700px;
        width: 90vw;
        margin-top: 0;
        max-width: 350px;
        margin: 0px auto 20px auto; /* Abajo deja espacio para el contenido */
        background: white;
        border: 2px solid #ddd;
        height: auto;
        box-shadow: 2px 4px 10px rgba(0, 0, 0, 0.1);
        font-family: 'Roboto', sans-serif;
        transition: transform 0.3s ease, opacity 0.3s ease;
        z-index: 5; 
        justify-content: center;
    }
}

/*
-------------------------------------------------------- 
---------------------ESPECIALIDAD SELECCIONADA----------
--------------------------------------------------------
*/

.btnVolver {
    /* justify-content: start; */
    position: absolute;
    left: 40px;
    top: 130px;
    gap: 0.7em;
    font-size: 1.3rem;
    font-weight: 700;
    background: #444;
    color: #fff;
    font-family: "Barlow Condensed", sans-serif;
    padding: 0.5em 1.5em;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}

.especialidadSeccion {
    padding: 3rem 1rem;
    background-color: #f9fbfd;
    font-family: 'Roboto Slab', serif;
    color: #2c3e50;
    max-width: 90%;
    margin: 90px auto;
    border-radius: 10px;
}

#tituloEspecialidad {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 1.3rem;
  margin-top: 2.5rem;
  color: #005691;
    font-family: 'Poppins', serif;
  position: relative;
}

.subtituloRefractiva {
  font-size: 1rem;
  line-height: 1.7;
  max-width: 90%;
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
}

#contenidoEspecialidad {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: justify;
}

#imagenEspecialidad {
  max-height: 350px;
  width: 90%;
  object-fit: cover;
  border-radius: 0px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

#textoEspecialidad {
  font-size: 1rem;
  line-height: 1.7;
  max-width: 90%;
  font-family: 'Poppins', sans-serif;

}

.especialidadSeccion h3 {
  margin: 1.5rem auto;
  font-size: 1.5rem;
  color: #0073b7;
  text-align: left;
  padding-left: 0.6rem;
  font-family: 'Poppins', sans-serif;;
}

.especialidadSeccion p {
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 1rem 0;
  max-width: 800px;
}

.especialidadSeccion strong {
  color: #333;
  font-weight: bold;
}

.especialidadSeccion img {
  max-width: 1000px;
  max-height: 500px;
  height: auto;
  border-radius: 10px;
  margin: 1rem 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}