button {
  border: none;
  outline: 0;
  display: inline-block;
  padding: 8px;
  color: white;
  background-color: #0e4385;
  text-align: center;
  width: 85%;
  font-size: 18px;
  border-radius: 25px;
}

#keynote a {
  text-decoration: none;
  font-size: 20px;
  color: rgb(255, 255, 255);
}

button:hover, a:hover {
  opacity: 0.7;
}

.card-keynote {
  display: flex;
  justify-content: center;
  gap: 1.5vw;
}

.img-keynote {
  width: 25vw;
}

/* Base styles for keynote cards */
.keynote-card {
  background-color: white;
  border: 1px solid #e9e9e9;
  border-radius: 20px;
  padding: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(161, 169, 171, 0.3), 0 4px 6px -4px rgba(209, 219, 221, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  max-width: 350px;
  margin: 0 2vw;
}

/* Hover animation */
.keynote-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 20px -3px rgba(161, 169, 171, 0.4), 0 8px 12px -4px rgba(209, 219, 221, 0.4);
}

.img-keynote {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  transition: filter 0.3s ease;
}

.keynote-card:hover .img-keynote {
  filter: brightness(1.05);
}

.keynote-content {
  padding: 1rem;
  text-align: center;
  margin-top: 0.5rem;
  animation: fadeIn 0.5s ease-in;
}

.keynote-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #11274f;
  margin-bottom: 0.5rem;
}

.keynote-description {
  font-size: 0.875rem;
  color: #11274f;
  line-height: 1.4;
}

/* Animation keyframes */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Media queries for responsive design */
@media screen and (max-width: 1200px) {
  .keynote-card {
    max-width: 300px;
  }
}

@media screen and (max-width: 992px) {
  .keynote-card {
    max-width: 280px;
  }
}

@media screen and (max-width: 768px) {
  .keynote-card {
    max-width: 90%;
  }
  
  .keynote-title {
    font-size: 1rem;
  }
  
  .keynote-description {
    font-size: 0.8rem;
  }
}

@media screen and (max-width: 480px) {
  .keynote-card {
    border-radius: 15px;
    padding: 0.4rem;
  }
  
  .keynote-content {
    padding: 0.8rem;
  }
}