.btn {
  display: inline-block;
  background-color: white;
  color: var(--primary);
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 8px rgba(0,0,0,0.15);
}

.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
  position: relative;
}

.section-title h2 {
  font-size: 2rem;
  display: inline-block;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--secondary);
}

.tutor-filters {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  background-color: white;
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: 0.5rem 1.2rem;
  margin: 0.5rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--primary);
  color: white;
}

.tutors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.tutor-card {
  background-color: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.tutor-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.tutor-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.tutor-info {
  padding: 1.5rem;
}

.tutor-name {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.tutor-subjects {
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.tutor-rating {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.stars {
  color: #f39c12;
  margin-right: 0.5rem;
}

.tutor-bio {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: #555;
}

.tutor-card .btn {
  width: 100%;
  text-align: center;
  background-color: var(--primary);
  color: white;
}

.tutor-card .btn:hover {
  background-color: #2980b9;
}

@media (max-width: 768px) {
  .tutors-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}