/* --- Styles for individual Grammar Topic Pages --- */

/* --- Grammar Hero Section --- */
.grammar-hero {
  padding: 3rem 1rem;
  background-image: linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)),
    url('https://placehold.co/1200x300/A00000/ffffff?text=');
  background-size: cover;
  background-position: center;
  color: var(--text-light);
  text-align: center;
  border-radius: var(--border-radius);
  margin-bottom: 2.5rem;
}

.grammar-hero h1 {
  margin: 0;
  font-size: 2.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.grammar-hero p {
  margin-top: 0.5rem;
  font-size: 1.1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

/* --- Grammar Sub-navigation --- */
.grammar-sub-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem;
  background-color: var(--secondary-color);
  border-radius: var(--border-radius);
  margin-bottom: 2.5rem;
}

.grammar-sub-nav a {
  text-decoration: none;
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: bold;
  transition: background-color 0.3s, color 0.3s;
}

.grammar-sub-nav a:hover {
  background-color: var(--primary-hover);
  color: var(--text-light);
}

.grammar-sub-nav a.active {
  background-color: var(--primary-color);
  color: var(--text-light);
  cursor: default;
}

/* --- Main content article --- */
.grammar-content {
  background-color: #fff;
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-bottom: 2.5rem;
  border: 1px solid var(--border-color);
}

.grammar-content h2,
.grammar-content h3 {
  color: var(--primary-color);
  border-bottom: 2px solid var(--secondary-color);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.grammar-content .section-heading {
  margin-top: 2.5rem;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.example-card {
  background-color: var(--secondary-color);
  padding: 1rem;
  border-radius: var(--border-radius);
  text-align: center;
}

.example-card h4 {
  margin-top: 0;
  color: var(--primary-hover);
  margin-bottom: 0.2rem;
  font-size: 1.2rem;
}

.example-card p {
  font-family: var(--tamil-font);
  font-size: 1.2rem;
  font-weight: normal;
  margin-top: 0;
}

/* --- New Gender Card Grid --- */
.gender-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.gender-card {
  background-color: #fff;
  border: 1px solid var(--border-color);
  border-left: 5px solid var(--primary-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--box-shadow);
}

.gender-card h4 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-family: var(--tamil-font);
  color: var(--primary-hover);
}

.gender-card p {
  margin-bottom: 0.5rem;
  font-size: 1rem;
  text-align: left;
}
.gender-card p strong {
  font-weight: bold;
  color: var(--text-color);
}