.topic-banner {
  position: relative;
  padding: 64px 20px;
  background: var(--surface);
  overflow: hidden;
  animation: fadeInUp 0.6s ease;
}

.topic-banner::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 40%;
  background-image: url("/images/decorative/decor_11.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}

.topic-banner-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

.topic-banner h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  max-width: 600px;
  line-height: 1.1;
  margin-bottom: 16px;
}

.topic-banner-lead {
  color: var(--muted);
  font-size: 16px;
  max-width: 560px;
  line-height: 1.65;
}

.topic-content-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 20px 64px;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.topic-pullquote {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.5rem;
  font-style: italic;
  color: var(--secondary);
  border-left: 4px solid var(--secondary);
  padding: 8px 0 8px 24px;
  margin: 0 0 32px;
  line-height: 1.45;
}

.topic-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.topic-grid-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
}

.topic-grid-card h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--text);
}

.topic-grid-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

.topic-content-wrap h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  margin: 28px 0 12px;
}

.topic-content-wrap p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 14px;
}

.topic-content-wrap ul {
  margin: 0 0 14px 20px;
  color: var(--muted);
  font-size: 15px;
}

.topic-content-wrap li {
  margin-bottom: 8px;
}

@media (max-width: 900px) {
  .topic-banner::before {
    width: 100%;
    opacity: 0.12;
  }

  .topic-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 375px) {
  .topic-banner {
    overflow: hidden;
  }

  .topic-banner::before {
    max-width: 100%;
    right: 0;
    left: 0;
    width: 100%;
  }

  .topic-banner-inner,
  .topic-content-wrap {
    overflow: hidden;
    max-width: 100%;
  }
}