body {
  font-family: "Arial", sans-serif;
  
  color: #333;
  margin: 0;
  padding: 0;
}

.por-section {
  text-align: center;
  padding: 20px;
  background-color: #e0f7fa;
}

h1 {
  text-align: left; 
  margin: 20px 0;
  font-size: 2.5em;
  color: #19366b;
  padding-left: 15px;
}

.por-description {
  text-align: left;
  font-size: 1.2em;
  color: #555;
  margin-bottom: 40px;
  padding-left: 15px;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0 auto;
}

.card {
  perspective: 1000px; 
  margin: 15px;
  width: calc(33.333% - 30px); 
  height: 300px; 
  box-sizing: border-box;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s; 
  transform-style: preserve-3d; 
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 7px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease; 
}

.card-front {
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 15px; 
}

.card-back {
  background-color: white;
  color: black; 
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: rotateY(180deg);
  padding: 20px; 
  border-radius: 7px; 
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1); 
}
.card-front h2 {
  font-weight: 800;
}
.card-back h3 {
  color: black; 
}
.card-back p {
  color: black;
}
.card-back a:hover {
  color: #19366b;
}
.card:hover .card-front {
  background-color: #19366b; 
  color: white;
}
.card:hover .card-front h3 {
  color: white;
}
.card:hover .card-front img {
  border: 2px solid white;
}
.card img {
  border-radius: 50%;
  height: 190px;
  width: 190px;
  margin: 8px 0;
}

.card h2 {
  font-size: 1.5em;
  margin: 0; 
}

.card-front h3 {
  color: #19366b;
  font-size: 1.2em;
  margin: 5px 0;
}
.card-back h3 {
  color: #19366b;
}
.card a {
  color: black; 
  text-decoration: underline;
  margin-top: 10px;
}

@media (max-width: 768px) {
  .card {
    width: calc(50% - 30px);
  }
}

@media (max-width: 480px) {
  .card {
    width: calc(90% - 30px); 
  }
}