.h2 {
  border-bottom: none !important;
  color: #2C3E50;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.h3 {
  font-family: "Inter" !important;
  margin-top: 0.25rem !important;
  line-height: 1.3em !important;
  letter-spacing: -0.02rem !important;
  color: #2C3E50;
  font-weight: 600;
}

.topic-box {
  background-color: white;
  margin-bottom: 2rem;
  border-radius: 1rem;
  padding: 2.5rem !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.topic-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.history-list ul {
  margin-top: 0.5em;
}

.history-list ul li {
  margin-bottom: 1.1em;
}

.section-chip {
  display: inline-block;
  padding: 0.25rem 1rem;
  border-radius: 1rem;
  background-color: #f7f7f7;
  color: #343140;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5em;
}

.btn-container {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.btn-container a.btn-custom {
  font-family: "Inter";
  font-weight: 600;
  font-size: 1.1rem;
  padding: 0.8em 2em;
  border-radius: 50px;
  background-color: #2C3E50;
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(44, 62, 80, 0.2);
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-container a.btn-custom:hover {
  background-color: #000654;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 6, 84, 0.3);
}

/* mobile query up for screens up to ~992px wide */
@media screen and (max-width: 991.98px) {
  .topic-box {
    padding: 2rem !important;
  }
}

/* mobile query up for screens up to ~576px wide */
@media screen and (max-width: 576px) {
  .topic-box {
    padding: 1.5rem !important;
  }
}