body {
  background-color: #0d0d0d;
  color: #f1f1f1;
  font-family: "Inter", sans-serif;
}
header {
  background: linear-gradient(0deg, #0d0d0d, #000000);
}
h1,
h2,
p,
li {
  color: #ffffff;
}
.card {
  background-color: #1a1a1a;
  border: 1px solid #2c2c2c;
  color: #ffffff;
  border-radius: 1rem;
  padding: 2rem;
  margin-bottom: 2rem;
  transition: transform 0.3s;
}
.card:hover {
  transform: translateY(-10px);
}
summary {
  font-size: 1.25rem;
  font-weight: 600;
  cursor: pointer;
}
img {
  width: 50vw;
  max-width: 50vh;
  height: auto;
  border-radius: 0.5rem;
  margin-top: 1rem;
}

@media (max-width: 768px) {
  .d-flex.gap-3 {
    flex-direction: column;
    align-items: center;
  }
  .btn-lg {
    width: 100%;
    max-width: 280px;
  }
  img {
    width: 100%;
  }
}