/* Hero section on homepage */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  opacity: 0.8;
  max-width: 650px;
  margin: 0 auto 2rem;
}

.hero-badges {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.feature-card {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.feature-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  border-color: var(--md-primary-fg-color);
}

.feature-card .icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.feature-card h3 {
  margin: 0.4rem 0 0.3rem;
  font-size: 1rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.875rem;
  opacity: 0.75;
}

/* Citation block */
.citation-block {
  background: var(--md-code-bg-color);
  border-left: 4px solid var(--md-primary-fg-color);
  border-radius: 4px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-size: 0.875rem;
}

/* Wider content area */
.md-grid {
  max-width: 1400px;
}